Acoustic devices and transportation devices containing the same

Abstract

To provide a sound apparatus which can enhance a sound characteristic and / or a sound pressure characteristic, and transportation equipment including such a sound apparatus.SOLUTION: A sound apparatus 30 according to one or more embodiments of the present specification includes: a sound generating module 330 including a vibration member 331 and a vibration apparatus 333 configured at the vibration member; an enclosure 310 connected to the vibration member with an internal space therebetween; and a connection member 380 connected to the enclosure. The connection member includes a first portion and a second portion having different thicknesses from each other. The second portion is a periphery portion of the enclosure, and a portion or region between an interior material 130 and the periphery portion of the enclosure. The first portion is the other portion, except the periphery portion, of the enclosure, and includes an opening hole 380o connected to the internal space 313 of the enclosure. The thickness T1+T2 of the second portion is thicker than the thickness T1 of the first portion.SELECTED DRAWING: Figure 43

Description

[Technical Field]

[0001] This specification relates to acoustic devices and transportation devices including the same. [Background technology]

[0002] A vehicle may include an audio device that outputs sound in response to an audio signal output from a multimedia device such as a car audio system. For example, the audio device applied to a vehicle may include front speakers and rear speakers configured using a coil system. Summary of the Invention [Problem to be solved by the invention]

[0003] However, in-vehicle sound systems have limitations in terms of outputting realistic multi-channel sound or stereophonic sound through front and rear speakers. Although in-vehicle sound systems can output stereophonic sound by increasing the number of speakers, there are limitations on increasing the number of speakers due to the size of the coil-type speakers and spatial constraints within the vehicle.

[0004] The inventors of the present application have recognized the above problems and conducted various studies and experiments to improve the acoustic characteristics and / or sound pressure characteristics of vehicle acoustic devices. Through various studies and experiments, the inventors of the present application have invented an acoustic device capable of improving the acoustic characteristics and / or sound pressure characteristics and a transportation device including the same.

[0005] An object of the present invention is to provide an acoustic device capable of improving acoustic characteristics and / or sound pressure characteristics, and a transportation device including the same.

[0006] The problems to be solved by one or more embodiments of the present specification are not limited to the problems mentioned above, and other problems not mentioned will be clearly understood by those skilled in the art from the following description. [Means for solving the problem]

[0007] Additional features, advantages, and embodiments of the specification will be set forth in part in the description that follows, and in part will be apparent from the specification and will be understood by examples of the inventive concepts provided therein. Other features, advantages, and embodiments of the inventive concepts will be realized and attained by the description, claims, and claims provided herein or which may be derived therefrom, as well as the accompanying drawings.

[0008] An acoustic device according to one or more embodiments of the present disclosure may include a sound generating module including a vibrating member and a vibrating device configured on the vibrating member, an enclosure connected to the vibrating member across an internal space, and a connecting member connected to the enclosure, wherein the connecting member may include a first portion and a second portion having different thicknesses.

[0009] A transportation device according to one or more embodiments of the present disclosure may include an interior material exposed to an interior space and at least one sound-generating device disposed on the interior material and configured to output sound into the interior space. The at least one sound-generating device may include a sound-generating module including a vibrating member and a vibrating device configured on the vibrating member, an enclosure connected to the vibrating member across the interior space, and a connecting member connected to the enclosure. The connecting member may include a first portion and a second portion having different thicknesses.

[0010] Specific details relating to various aspects of the present specification other than the means for solving the problems mentioned above are included in the following description and drawings.

[0011] Acoustic devices according to one or more embodiments of the present disclosure, and transportation devices including same, may have improved acoustic and / or sound pressure characteristics.

[0012] An acoustic device according to one or more embodiments of the present disclosure and a transportation device including the same may have improved acoustic characteristics and / or sound pressure characteristics in a range of frequencies, including low-frequency frequencies.

[0013] The acoustic device according to one or more embodiments of the present specification and the transportation device including the same may have a vibrating member including at least one hole, thereby improving the acoustic characteristics and / or sound pressure characteristics in a frequency range including low-frequency sounds.

[0014] In the acoustic device according to one or more embodiments of the present specification and the transportation device including the same, the signal supply member and the vibration generating unit may be configured as a single component, thereby achieving the effect of uni-materialization.

[0015] In the acoustic device and the transportation device including the same according to one or more embodiments of the present specification, the protrusion and the coupling portion may be formed from a single part, thereby achieving the effect of uni-materialization.

[0016] In the acoustic device according to one or more embodiments of the present specification and the transportation device including the same, by configuring a protective member on the acoustic device, the acoustic characteristics and / or sound pressure characteristics can be further improved, the sound reproduction band can be expanded, and the acoustic device can be protected.

[0017] In the acoustic device according to one or more embodiments of the present specification and the transportation device including the same, by configuring a connecting member between the vehicle interior material and the enclosure, the acoustic characteristics and / or sound pressure characteristics can be improved in a sound range including low-frequency sounds.

[0018] In the acoustic device according to one or more embodiments of the present specification and a transportation device including the same, by configuring a coupling part having a non-right-angle shape, the acoustic characteristics and / or sound pressure characteristics can be improved in a frequency range including the low frequency range, and peaks and / or dips in the high frequency range can be improved, thereby improving the balance characteristics or flatness characteristics of the sound pressure.

[0019] In the acoustic device according to one or more embodiments of the present specification and the transportation device including the same, by configuring the width and / or length of the coupling part, the acoustic characteristics and / or sound pressure characteristics can be improved in a frequency range including the low frequency range, and peaks and / or dips in the high frequency range can be improved, thereby improving the balance characteristics or flatness characteristics of the sound pressure.

[0020] The acoustic device according to one or more embodiments of the present specification and the transportation device including the same may be configured to include connecting members having different thicknesses, thereby further improving the acoustic characteristics and / or sound pressure characteristics in the low-frequency range.

[0021] The above-mentioned problems to be solved, means for solving the problems, and effects do not specify essential features of the claims, and the scope of the claims is not limited by the matters described in the contents of the invention. [Brief explanation of the drawings]

[0022] The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate aspects and embodiments of the invention and, together with the description, may serve to explain the principles of the invention.

[0023] [Figure 1] 1 is a diagram showing a vehicle acoustic device according to an embodiment of the present specification; [Figure 2] 10 is a diagram showing a vehicle acoustic device according to another embodiment of the present specification; FIG. [Figure 3] 1 is a diagram illustrating an acoustic device according to an embodiment of the present specification. [Figure 4] FIG. 4 is an exploded perspective view of the acoustic device shown in FIG. 3 according to one embodiment of the present specification. [Figure 5] 10A and 10B are diagrams illustrating an acoustic device according to another embodiment of the present specification. [Figure 6] 10A and 10B are diagrams illustrating an acoustic device according to another embodiment of the present specification. [Figure 7] 10A and 10B are diagrams illustrating an acoustic device according to another embodiment of the present specification. [Figure 8]10A and 10B are diagrams illustrating an acoustic device according to another embodiment of the present specification. [Figure 9] FIG. 9 is an exploded perspective view of the acoustic device shown in FIG. 8 according to another embodiment of the present specification. [Figure 10] 10A and 10B are diagrams illustrating an acoustic device according to another embodiment of the present specification. [Figure 11] 10A and 10B are diagrams illustrating an acoustic device according to another embodiment of the present specification. [Figure 12] 10A and 10B are diagrams illustrating an acoustic device according to another embodiment of the present specification. [Figure 13A] 13 is a diagram showing a method of connecting the acoustic device shown in FIG. 12 and the connecting portion according to another embodiment of the present specification. [Figure 13B] 13 is a diagram showing a method of connecting the acoustic device shown in FIG. 12 and the connecting portion according to another embodiment of the present specification. [Figure 14] 10A and 10B are diagrams illustrating an acoustic device according to another embodiment of the present specification. [Figure 15A] 15 is a diagram showing a method of connecting the acoustic device shown in FIG. 14 to a connecting portion according to another embodiment of the present specification. [Figure 15B] 15 is a diagram showing a method of connecting the acoustic device shown in FIG. 14 to a connecting portion according to another embodiment of the present specification. [Figure 16] 10A and 10B are diagrams illustrating an acoustic device according to another embodiment of the present specification. [Figure 17] 1A and 1B are diagrams illustrating an acoustic device and interior material according to an embodiment of the present specification. [Figure 18] 10A and 10B are diagrams showing an acoustic device and interior material according to another embodiment of the present specification. [Figure 19] 10A and 10B are diagrams illustrating an acoustic device according to another embodiment of the present specification. [Figure 20] 20 is a diagram showing a method of connecting the acoustic device shown in FIG. 19 and a connecting portion according to another embodiment of the present specification. [Figure 21] 10A and 10B are diagrams illustrating an acoustic device according to another embodiment of the present specification. [Figure 22] 10A and 10B are diagrams illustrating an acoustic device according to another embodiment of the present specification. [Figure 23A]23 is a diagram showing a method of connecting the acoustic device shown in FIG. 22 to a connecting portion according to another embodiment of the present specification. [Figure 23B] 23 is a diagram showing a method of connecting the acoustic device shown in FIG. 22 to a connecting portion according to another embodiment of the present specification. [Figure 24] 10A and 10B are diagrams illustrating an acoustic device according to another embodiment of the present specification. [Figure 25A] 10A and 10B are diagrams illustrating an acoustic device according to another embodiment of the present specification. [Figure 25B] 25B is an exploded perspective view of the acoustic device shown in FIG. 25A according to another embodiment of the present specification. [Figure 25C] 10A and 10B are diagrams illustrating an acoustic device according to another embodiment of the present specification. [Figure 26] 10A and 10B are diagrams illustrating an acoustic device according to another embodiment of the present specification. [Figure 27] 10 is an internal view of an acoustic device according to another embodiment of the present specification. [Figure 28] 10 is an internal view of an acoustic device according to another embodiment of the present specification. [Figure 29] 10 is an internal view of an acoustic device according to another embodiment of the present specification. [Figure 30] 10 is an internal view of an acoustic device according to another embodiment of the present specification. [Figure 31] 10A and 10B are diagrams illustrating an acoustic device according to another embodiment of the present specification. [Figure 32] 10A and 10B are diagrams illustrating an acoustic device according to another embodiment of the present specification. [Figure 33] 10A and 10B are diagrams illustrating an acoustic device according to another embodiment of the present specification. [Figure 34] 10A and 10B are diagrams illustrating an acoustic device according to another embodiment of the present specification. [Figure 35] 10A and 10B are diagrams illustrating an acoustic device according to another embodiment of the present specification. [Figure 36] 10A and 10B show couplings according to other embodiments of the present disclosure. [Figure 37A] 10A and 10B are diagrams illustrating an acoustic device according to another embodiment of the present specification. [Figure 37B] 10A and 10B are diagrams illustrating an acoustic device according to another embodiment of the present specification. [Figure 37C] 10A and 10B are diagrams illustrating an acoustic device according to another embodiment of the present specification. [Figure 37D] 10A and 10B are diagrams illustrating an acoustic device according to another embodiment of the present specification. [Figure 37E] 10A and 10B are diagrams illustrating an acoustic device according to another embodiment of the present specification. [Figure 38] 10A and 10B are diagrams illustrating an acoustic device according to another embodiment of the present specification. [Figure 39] 10A and 10B are diagrams illustrating an acoustic device according to another embodiment of the present specification. [Figure 40] 10A and 10B are diagrams illustrating an acoustic device according to another embodiment of the present specification. [Figure 41] 10A and 10B are diagrams illustrating an acoustic device according to another embodiment of the present specification. [Figure 42] 10A and 10B are diagrams illustrating an acoustic device according to another embodiment of the present specification. [Figure 43] 10A and 10B are diagrams illustrating an acoustic device according to another embodiment of the present specification. [Figure 44] 44 is a diagram showing a method of connecting the acoustic device shown in FIG. 43 to a connecting portion according to another embodiment of the present specification. [Figure 45] 10A and 10B are diagrams illustrating an acoustic device according to another embodiment of the present specification. [Figure 46] 10A and 10B are diagrams illustrating an acoustic device according to another embodiment of the present specification. [Figure 47] 47 is a diagram showing a method of connecting the acoustic device shown in FIG. 46 and the connecting portion according to another embodiment of the present specification. [Figure 48] 10A and 10B are diagrams illustrating an acoustic device according to another embodiment of the present specification. [Figure 49] 1 illustrates a vibration device according to one embodiment of the present disclosure. [Figure 50] FIG. 50 is a cross-sectional view taken along line II' shown in FIG. 49 according to one embodiment of the present specification. [Figure 51] FIG. 50 is a cross-sectional view taken along line II-II′ shown in FIG. 49 according to one embodiment of the present specification. [Figure 52] 10A and 10B are diagrams illustrating a vibrating section according to another embodiment of the present specification. [Figure 53]10A and 10B are diagrams illustrating a vibrating section according to another embodiment of the present specification. [Figure 54] 10A and 10B show vibration devices according to other embodiments of the present specification. [Figure 55] 1 illustrates a transportation device according to one embodiment of the present disclosure. [Figure 56] 1 illustrates a transportation device according to one embodiment of the present disclosure. [Figure 57] FIG. 57 shows a sound-generating device disposed on the roof of the transport device of FIGS. 55 and 56. [Figure 58] 57 shows sound-generating devices located on the roof and seats of the transportation device of FIGS. 55 and 56. FIG. [Figure 59] FIG. 1 is a diagram showing the acoustic output characteristics of devices according to examples and experimental examples of the present specification. [Figure 60] FIG. 1 illustrates the acoustic output characteristics of a device according to an embodiment of the present specification. [Figure 61A] FIG. 1 illustrates the acoustic output characteristics of a device according to an embodiment of the present specification. [Figure 61B] FIG. 1 illustrates the acoustic output characteristics of a device according to an embodiment of the present specification. [Figure 62A] FIG. 1 illustrates the acoustic output characteristics of a device according to an embodiment of the present specification. [Figure 62B] FIG. 1 illustrates the acoustic output characteristics of a device according to an embodiment of the present specification. [Figure 63] FIG. 1 illustrates the acoustic output characteristics of a device according to an embodiment of the present specification. [Figure 64] FIG. 1 illustrates the acoustic output characteristics of a device according to an embodiment of the present specification. [Figure 65] FIG. 1 illustrates the acoustic output characteristics of a device according to an embodiment of the present specification. [Figure 66] FIG. 1 illustrates the acoustic output characteristics of a device according to an embodiment of the present specification. [Figure 67] FIG. 1 illustrates the acoustic output characteristics of a device according to an embodiment of the present specification. [Figure 68A] FIG. 1 illustrates the acoustic output characteristics of a device according to an embodiment of the present specification. [Figure 68B]FIG. 1 illustrates the acoustic output characteristics of a device according to an embodiment of the present specification. [Figure 68C] FIG. 1 illustrates the acoustic output characteristics of a device according to an embodiment of the present specification. [Figure 68D] FIG. 1 illustrates the acoustic output characteristics of a device according to an embodiment of the present specification. [Figure 69A] FIG. 1 illustrates the acoustic output characteristics of a device according to an embodiment of the present specification. [Figure 69B] FIG. 1 illustrates the acoustic output characteristics of a device according to an embodiment of the present specification. [Figure 69C] FIG. 1 illustrates the acoustic output characteristics of a device according to an embodiment of the present specification. [Figure 69D] FIG. 1 illustrates the acoustic output characteristics of a device according to an embodiment of the present specification. [Figure 70A] FIG. 1 illustrates the acoustic output characteristics of a device according to an embodiment of the present specification. [Figure 70B] FIG. 1 illustrates the acoustic output characteristics of a device according to an embodiment of the present specification. [Figure 70C] FIG. 1 illustrates the acoustic output characteristics of a device according to an embodiment of the present specification. [Figure 70D] FIG. 1 illustrates the acoustic output characteristics of a device according to an embodiment of the present specification. [Figure 71] FIG. 1 illustrates the acoustic output characteristics of a device according to an embodiment of the present specification. [Figure 72] FIG. 1 illustrates the acoustic output characteristics of a device according to an embodiment of the present specification. [Figure 73] FIG. 1 illustrates the acoustic output characteristics of a device according to an embodiment of the present specification.

[0024] Unless otherwise stated, throughout the drawings and detailed description, the same drawing numerals should be understood to refer to the same components, features, and structures. The sizes, lengths, thicknesses, and descriptions of layers, regions, and elements may be exaggerated for clarity, explanation, and convenience. DETAILED DESCRIPTION OF THE INVENTION

[0025] Reference will now be made in detail to the embodiments of the present specification, examples of which may be illustrated in the accompanying drawings. In the following description, if a detailed description of well-known functions or configurations would unnecessarily obscure the gist of the specification, such detailed description may be omitted for the sake of brevity. The sequence of steps and / or operations described is exemplary, but the order of steps and / or operations is not limited to that set forth herein and may be varied, except for steps and / or operations that necessarily occur in a particular order.

[0026] Unless otherwise specified, the same reference numerals may refer to generally similar components even if they are illustrated in different drawings. In one or more embodiments, identical components (or components having the same name) in different drawings may have the same or substantially the same functions and characteristics, unless otherwise specified. The names of the components used in the following description are selected for convenience and may differ from the actual products.

[0027] The advantages and features of the present invention, and methods for achieving them, will become clearer with reference to the following detailed description of the embodiments accompanied by the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, and may be realized in various different forms. The embodiments are provided solely to complete the disclosure of the present invention and to fully convey the scope of the invention to those skilled in the art.

[0028] The shapes, sizes, areas, ratios, angles, numbers, etc. shown in the drawings for explaining the embodiments of the present specification are merely examples and are not intended to limit the present specification to the matters shown in the drawings. The reference numbers for components in each drawing may refer to similar components, even if the same components are shown in other drawings, unless otherwise specified.

[0029] When the terms "comprise," "have," "consist," "comprise," "formed," etc. are used herein, other parts can be added unless "only" or "only" is used. The terms used herein are used merely to describe particular embodiments and are not intended to limit the scope of the present disclosure. The terms used herein are used merely to describe exemplary embodiments and are not intended to limit the scope of the present disclosure.

[0030] Terms referring to elements in the singular include the plural unless expressly stated otherwise. An "embodiment" or "example" may be an illustrative example. Any implementation described herein as an "embodiment" or "example" should not necessarily be construed as preferred or advantageous over other implementations.

[0031] In one or more embodiments, components, features, or corresponding information (e.g., levels, ranges, dimensions, sizes, etc.) may be interpreted as including an error or tolerance range even if an explicit description of the error or tolerance range is not provided. The error or tolerance range may be caused by various factors (e.g., process factors, internal or external impact, noise, etc.).

[0032] When describing a location relationship between two parts using words such as "on" or "above" or "over," "on top," "under" or "below," "below," "near," "adjacent to," "beside," or "next to," one or more other parts may be located between the two parts, unless words such as "just," "immediately," "closely," or "directly" are used. For example, when structures are described as being located "above or over," "on top," "under or below," "below," "near," "adjacent to," "beside," or "next to," this description must be interpreted to include cases where the structures touch each other and where a third structure is located between them. For example, when structures are described as being located "above or over," "on top," "under or below," "below," "near," "adjacent to," "beside," or "next to," this description must be interpreted to include cases where the structures touch each other and where a third structure is located between them. Additionally, terms such as "front," "back," "dorsal," "left," "right," "top," "bottom," "downward," "upward," "top," "bottom," "column," "row," "vertical," "horizontal," etc., refer to any frame of reference.

[0033] When describing a temporal relationship, for example, when a temporal sequence is described using "after," "subsequent," "next," "before, preceding, or prior to," etc., consecutive or discontinuous situations can also be included, as long as "just," "immediately," or "directly" are not used.

[0034] Although terms such as "first," "second," and the like are used to describe various components, these components are not limited by these terms. These terms are used merely to distinguish one component from another. Therefore, a first component referred to below may also be a second component within the technical spirit of the present invention. Furthermore, first elements, second elements, and the like may be named arbitrarily according to the convenience of those skilled in the art without departing from the scope of this specification. Terms such as "first," "second," and the like may be used to distinguish components from each other, but the function or structure of the component is not limited by the ordinal number preceding the component or the name of the component.

[0035] In describing elements of the present specification, terms such as first, second, A, B, (a), (b), etc. are used to distinguish the elements from other elements, and are not used to define the nature, basis, order, or number of the elements.

[0036] When a component or layer is described as being "connected," "bonded," or "coupled" to another component, it should be understood that the component may be directly connected or coupled to the other component, but that other components or layers may also be "disposed" or "interposed" between each component that may be indirectly connected or coupled unless otherwise expressly stated.

[0037] When a component or layer is described as "contacting" or "overlapping" another component or layer, the component can be in direct contact with or overlaid on the other component or layer, but it should be understood that one or more other components or layers can be "disposed" or "interposed" between each component or layer that is in indirect contact or overlaid unless otherwise explicitly stated. For example, in this specification, terms such as "overlap" and "overlapping" should be understood to mean, for example, "overlapping, electrically and / or physically connected" by surface-to-surface connection, or "overlapping, electrically and / or physically connected" by surface-to-surface connection.

[0038] The term "at least one" should be understood to include all possible combinations of one or more associated items. For example, the meaning of "at least one of the first, second, and third items" may include only any combination of the first, second, and third items, not just any combination of items presented from two or more of the first, second, or third items.

[0039] The phrase "first component," "second component," and / or "third component" should be understood to mean one of the first, second, and third components, or any or all combinations of the first, second, and third components. For example, A, B, and / or C can be considered as A only, B only, C only, any or some combination of A, B, and C, or all of A, B, and C. Furthermore, the phrase "component A / component B" should be understood to mean component A and / or component B.

[0040] In one or more embodiments, the terms "between" and "in" may be used interchangeably for convenience only, unless otherwise specified. For example, the phrase "between a plurality of components" may also be understood as "among a plurality of components." In other embodiments, the phrase "among a plurality of components" may also be understood as "between a plurality of components." In one or more embodiments, the number of components may be two. In one or more embodiments, the number of components may be more than two.

[0041] In one or more embodiments, the phrase "different from each other" may be understood to mean that any component is different from the other component.

[0042] In one or more embodiments, the expressions "one or more of" and "one or more of" may be used interchangeably for convenience only, unless otherwise specified. For example, the expression "one or more of" can also be understood as "one or more of." For example, the expression "one or more of" can also be understood as "one or more of."

[0043] The features of the various embodiments herein may be partially or fully combined or combined with one another, and various technical interlocking and interlocking mechanisms may be implemented, and the embodiments may be implemented independently of one another or together in a related relationship. In one or more embodiments, the components of the various devices according to the various embodiments herein may be operably coupled or configured.

[0044] The "X-axis direction," "Y-axis direction," and "Z-axis direction" should not be construed as a geometric relationship that is solely perpendicular to one another, but may have a broader directionality within the range in which the elements of this specification can function.

[0045] Terms used herein (including technical and scientific terms) may have the same meaning as that understood by a person of ordinary skill in the art to which this specification pertains. Furthermore, terms such as those defined in commonly used dictionaries should be interpreted as having a meaning consistent with the meaning in the context of the relevant art, and should not be interpreted as idealized or overly formal unless otherwise specified.

[0046] Hereinafter, examples of the present specification will be described in detail with reference to the accompanying drawings. Furthermore, for convenience of explanation, the scales, dimensions, sizes, and thicknesses of components shown in the drawings may have scales, dimensions, sizes, and thicknesses different from the actual scales, dimensions, sizes, and thicknesses, and therefore are not limited to the scales, dimensions, sizes, and thicknesses shown in the drawings.

[0047] 1 is a diagram showing a vehicle acoustic device according to an embodiment of the present specification. All components of the acoustic device according to all embodiments of the present specification can be operably coupled and configured.

[0048] 1, an acoustic device for a vehicle according to an embodiment of the present specification may include an acoustic device 30. The acoustic device 30 may be disposed or mounted inside the vehicle 10 (or transportation device) to output sound (S) toward an interior space (IS) of the vehicle.

[0049] The vehicle 10 (or transportation device) may be a transportation device including one or more seats and one or more glass windows. For example, the vehicle 10 (or transportation device) may include an automobile, a train, a ship, or an aircraft, and the embodiments of the present specification are not limited thereto. The vehicle or transportation device may represent any element to which the acoustic device according to the embodiments of the present specification may be applied. The vehicle or transportation device may also be any other entity or element to which the acoustic device according to the embodiments of the present specification may be applied or used.

[0050] A vehicle 10 (or transportation device) according to embodiments of the present disclosure may include a main structure 110 .

[0051] The main structure 110 of the vehicle 10 may include a main frame, a subframe, a side frame, a door frame, an underframe, a seat frame, etc., but the embodiments of the present specification are not limited thereto. For example, the main structure 110 may be a car body, a vehicle structure, a frame structure, etc., but the embodiments of the present specification are not limited thereto.

[0052] The vehicle (or transportation device) 10 according to the embodiment of the present disclosure may further include an exterior material 120 .

[0053] The exterior material 120 of the vehicle 10 may be configured to cover the main structure 110. For example, the exterior material 120 may be configured to cover the exterior of the main structure 110. In the following description, the exterior material 120 may be a vehicle exterior material 120, and these may be used in combination.

[0054] The exterior materials 120 of the vehicle 10 may include hood panels, front fender panels, dash panels, pillar panels, trunk panels, roof panels (or ceilings), floor panels, door inner panels, and door outer panels, and examples of the present specification are not limited thereto.

[0055] The cladding material 120 according to the embodiments of the present specification may include at least one of a flat portion and a curved portion (or a bent portion). For example, the cladding material 120 may have a structure corresponding to the structure of the corresponding main structure 110, or may have a structure different from the structure of the corresponding main structure 110.

[0056] The vehicle (or transportation device) 10 according to the embodiment of the present specification may further include a vehicle interior material 130. In the following description, the vehicle interior material 130 may be an interior material 130, and these may be used in combination.

[0057] The vehicle interior material 130 may include all parts that constitute the interior of the vehicle 10 or may include all parts that are disposed in the interior space (IS) of the vehicle 10. For example, the vehicle interior material 130 may be an interior material or an interior finish material of the vehicle 10, and examples of the present specification are not limited thereto.

[0058] The vehicle interior material 130 according to the embodiments of the present specification may be configured to cover one or more of the main structure 110 and the exterior material 120 in the interior space (IS) of the vehicle 10. For example, the vehicle interior material 130 may be configured to be exposed to the interior space (IS) of the vehicle 10 while covering one or more of the main structure 110 and the exterior material 120 in the interior space (IS) of the vehicle 10.

[0059] The vehicle interior material 130 according to the embodiments of the present specification may be configured to be exposed to the interior and / or interior space (IS) of the vehicle 10. For example, the vehicle interior material 130 may be configured to cover one surface (or interior surface) of at least one of the main frame (or vehicle body), side frame (or side body), door frame (or door body), handle frame (or steering hub), and seat frame exposed to the interior space (IS) of the vehicle 10.

[0060] Vehicle interior materials 130 according to one embodiment of the present specification may include a dashboard, pillar interior materials (or pillar trim), floor interior materials (or floor carpet), roof interior materials (or headliner), door interior materials (or door trim), steering wheel interior materials (or steering cover), seat interior materials, rear package interior materials (or rear seat shelf), overhead console (or interior lighting interior materials), rearview mirrors, glove boxes, and sun visors, and examples of the present specification are not limited thereto.

[0061] The vehicle interior material 130 according to the embodiments of the present specification may include one or more of metal, wood, rubber, plastic, glass, fiber, cloth, paper, mirror, leather, and carbon, but the embodiments of the present specification are not limited thereto. The plastic vehicle interior material 130 may be an injection molded product made by an injection process using a thermoplastic resin or a thermosetting resin, but the embodiments of the present specification are not limited thereto. The fiber vehicle interior material 130 may include at least one of plastic composite fiber, carbon fiber (or aramid fiber), and natural fiber, but the embodiments of the present specification are not limited thereto. The fiber vehicle interior material 130 may include a woven sheet, a knitted sheet, a nonwoven fabric, or the like, but the embodiments of the present specification are not limited thereto. For example, the paper may be speaker cone paper. For example, the cone paper may be pulp or foam plastic, but the embodiments of the present specification are not limited thereto. The leather vehicle interior material 130 may include natural leather or artificial leather, but the embodiments of the present specification are not limited thereto.

[0062] The vehicle interior material 130 according to an embodiment of the present specification may include at least one of a flat portion and a curved portion (or a bent portion). For example, the vehicle interior material 130 may have a structure corresponding to the structure (or inner surface structure) of the corresponding main structure 110, or may have a structure different from the structure of the corresponding main structure 110.

[0063] According to one embodiment of the present specification, an acoustic device 30 may be disposed in a vehicle structure 110. The acoustic device 30 may vibrate a vehicle interior material 130 to generate sound (S) through the vibration of the vehicle interior material 130. For example, the acoustic device 30 may directly vibrate the vehicle interior material 130 to generate sound (S) through the vibration of the vehicle interior material 130. For example, the acoustic device 30 may be configured to vibrate the vehicle interior material 130 to output sound (S) toward the interior and / or cabin space (IS) of the vehicle 10. This allows the vehicle interior material 130 to be used as an acoustic diaphragm. The vehicle interior material 130 may be a diaphragm, an acoustic diaphragm, or an acoustic generating plate for outputting sound (S). For example, the vehicle interior material 130 may have a larger size than the acoustic device 30, and the embodiment of the present specification is not limited thereto.

[0064] According to an embodiment of the present specification, the acoustic device 30 may be positioned in at least one of the dashboard, pillar interior material, floor interior material, roof interior material, door interior material, steering wheel interior material, and seat interior material, or may be positioned in or coupled to at least one of the rear package interior material, overhead console, rearview mirror, glove box, and sun visor.

[0065] The vehicle 10 or the acoustic device 30 according to an embodiment of the present specification may include at least one or more acoustic devices. The acoustic device 30 may vibrate the corresponding vehicle interior material 130 via at least one or more of the at least one or more acoustic devices 30 arranged in the vehicle interior material 130, thereby outputting realistic sound (S) including multi-channels and / or stereo sound toward the interior space (IS) of the vehicle 10.

[0066] According to the embodiments of the present specification, the acoustic device 30 may be configured in a region between the vehicle interior material 130 and the main structure 110 or a region between the vehicle interior material 130 and the exterior material 120. The acoustic device 30 is disposed in the region between the vehicle interior material 130 and the main structure 110 or the region between the vehicle interior material 130 and the exterior material 120, and can output sound by indirectly or directly vibrating one or more of the region between the vehicle interior material 130 and the main structure 110 or the region between the vehicle interior material 130 and the exterior material 120.

[0067] According to an embodiment of the present specification, the acoustic device 30 may be disposed in one or more of the region between the main structure 110 and the exterior material 12, the region between the main structure 110 and the vehicle interior material 130, the exterior material 120, and the vehicle interior material 130. For example, the acoustic device 30 may be disposed in one or more of the region between the main structure 110 and the exterior material 12, the region between the main structure 110 and the vehicle interior material 130, the exterior material 120, and the vehicle interior material 130, and configured to output sound. For example, the acoustic device 30 may be disposed in one or more of the region between the main structure 110 and the exterior material 120, the region between the main structure 110 and the vehicle interior material 130, the exterior material 120, and the vehicle interior material 130, and may output sound by indirectly or directly vibrating one or more of the region between the main structure 110 and the exterior material 120, the region between the main structure 110 and the vehicle interior material 130, the exterior material 120, and the vehicle interior material 130. For example, the acoustic device 30 is disposed between the exterior material 120 and the vehicle interior material 130, and can output sound by indirectly or directly vibrating one or more of the exterior material 120 and the vehicle interior material 130. For example, the acoustic device 30 can be disposed in at least one of the exterior material 120, the vehicle interior material 130, and a portion between the exterior material 120 and the vehicle interior material 130. According to an embodiment of the present specification, the acoustic device 30 can output sound from at least one of the exterior material 120, the vehicle interior material 130, and a portion between the exterior material 120 and the vehicle interior material 130.

[0068] An acoustic device 30 according to an embodiment of the present specification can output sound between an exterior material 120 and a vehicle interior material 130 of a vehicle 10. For example, the acoustic device 30 can be connected or coupled to one or more of the exterior material 120 and the vehicle interior material 130 between the exterior material 120 and the vehicle interior material 130, and can output sound by indirectly or directly vibrating one or more of the exterior material 120 and the vehicle interior material 130.

[0069] One or more of the exterior material 120 and the vehicle interior material 130 of the vehicle 10 may be a diaphragm, an acoustic vibration plate, or an acoustic generating plate for sound output. For example, each of the exterior material 120 and the vehicle interior material 130 for sound output has a size larger than that of the acoustic device 30, and thus functions as a large-area diaphragm, an acoustic vibration plate, or an acoustic generating plate, thereby improving the acoustic characteristics and / or sound pressure characteristics of a sound range, including a low-frequency range, generated by the acoustic device 30. For example, the frequency of the sound in the low-frequency range may be 300 Hz or less, 400 Hz or less, or 500 Hz or less, and the embodiments of the present specification are not limited thereto.

[0070] Fig. 2 is a diagram showing a vehicle audio device according to another embodiment of the present specification. Fig. 2 shows an audio device in which the vehicle interior materials in the audio device described in Fig. 1 have been modified. Therefore, in the following description, redundant descriptions of the remaining components excluding the vehicle interior materials will be omitted or simplified.

[0071] Referring to FIG. 2, an acoustic device 30 according to another embodiment of the present specification can output sound (S) by vibrating a vehicle interior material 130 including one or more materials selected from the group consisting of metal, wood, rubber, plastic, carbon, glass, fiber, cloth, paper, mirror, and leather.

[0072] A vehicle interior material 130 according to another embodiment of the present specification may include a base member 131 and a skin member 133. For example, the base member 131 may be an injection part, a first interior material, an interior interior material, or a rear interior material, and the embodiment of the present specification is not limited thereto. The skin member 133 may be a second interior material, an exterior interior material, a front interior material, an outer skin member, a reinforcing member, or a decorative member, and the embodiment of the present specification is not limited thereto.

[0073] The base member 131 may be made of a plastic material. The base member 131 according to an embodiment of the present specification may include an injection molded product. For example, the base member 131 may be an injection molded product realized by an injection process using a thermoplastic resin or a thermosetting resin, but the embodiment of the present specification is not limited thereto. The vehicle interior material 130 or the base member 131 may be configured to cover the interior of the vehicle 10. For example, the vehicle interior material 130 or the base member 131 may be configured to cover one or more of the main structure 110 and the exterior material 120 in the interior space (IS) of the vehicle 10. For example, the vehicle interior material 130 or the base member 131 may be configured to cover at least one surface (or interior surface) of the main frame, side frame, door frame, and handle frame exposed to the interior space (IS) of the vehicle 10.

[0074] The base member 131 may include at least one of a flat portion and a curved portion. For example, the base member 131 may have a structure corresponding to the structure (or back structure) of the corresponding main structure 110, or may have a structure different from the structure of the corresponding main structure 110.

[0075] The skin member 133 may be disposed on the base member 131. For example, the skin member 133 may be configured to cover the base member 131. For example, the skin member 133 may be configured to be exposed to the interior and / or interior space (IS) of the vehicle 10 while covering the base member 131 in the interior and / or interior space (IS) of the vehicle 10. For example, the skin member 133 may be disposed on or coupled to the front surface (or interior surface) of the base member 131 that is exposed to the interior space (IS) of the vehicle 10.

[0076] The vehicle interior material 130 or the skin member 133 according to an embodiment of the present specification may include any one or more of plastic, glass, fiber, leather, cloth, rubber, mirror, wood, paper, carbon, and metal, but the embodiment of the present specification is not limited thereto. The skin member 133 may be a fiber material. For example, the fiber material skin member 133 may include at least one of synthetic fiber, carbon fiber (or aramid fiber), and natural fiber, but the embodiment of the present specification is not limited thereto. For example, the fiber material skin member 133 may be a woven fabric sheet, a knitted fabric sheet, or a nonwoven fabric, but the embodiment of the present specification is not limited thereto. For example, the fiber material skin member 133 may be a fabric member, but the embodiment of the present specification is not limited thereto.

[0077] Synthetic fibers can include polyolefin fibers, which are environmentally friendly materials that emit relatively few harmful substances compared to thermoplastic resins. For example, polyolefin fibers can include polyethylene fibers, polypropylene fibers, or polyethylene terephthalate fibers, but examples herein are not limited thereto. Polyolefin fibers can be single-resin fibers or core-shell fibers, but examples herein are not limited thereto. Natural fibers can be any one or a mixture of two or more of jute fiber, kenaf fiber, abaca fiber, coconut fiber, and wood fiber, but examples herein are not limited thereto.

[0078] The acoustic device 30 can be covered by a vehicle interior material 130. For example, the acoustic device 30 can be configured to vibrate the vehicle interior material 130, which includes a base member 131 and a skin member 133, to output sound (S) toward the interior and / or cabin space (IS) of the vehicle 10.

[0079] An acoustic device 30 according to another embodiment of the present specification can use the vehicle interior material 130 as a diaphragm to output sound (S) toward the interior space (IS), and can output multi-channel realistic sound (S) and / or stereo sound toward the interior space (IS) of the vehicle 10.

[0080] According to another embodiment of the present specification, the acoustic device 30 may be configured to be surrounded by an enclosure. A space is provided between the acoustic device 30 and the enclosure, and sound (or sound pressure) can be output in response to vibration of the vehicle interior material 130 caused by air between the acoustic device 30 and the enclosure. However, there are problems in that low-frequency sound is not output, and the number of peaks and dips generated in the reproduction frequency band of the sound (or sound pressure) generated in response to the vibration of the vehicle interior material 130 increases, and the maximum and minimum sound pressures generated in the reproduction frequency band of the sound (or sound pressure) generated in response to the vibration of the vehicle interior material 130 increase, resulting in a decrease in the flatness of the sound pressure. A peak is a phenomenon in which sound pressure jumps at a specific frequency, and a dip is a phenomenon in which sound generation at a specific frequency is suppressed, resulting in a low sound pressure. The flatness of the sound pressure may be the difference between the maximum sound pressure and the minimum sound pressure.

[0081] The inventors of the present specification have conducted various studies and experiments to realize an acoustic device and a transportation device including the same that can improve the acoustic characteristics of the low-frequency range and improve the flatness of sound pressure. Through various studies and experiments, they have invented an acoustic device and a transportation device including the same that can output sound including the high-frequency range and the low-frequency range and can improve the balance characteristics or flatness characteristics of sound pressure. This will be described below.

[0082] Figure 3 is a diagram illustrating an acoustic device according to an embodiment of the present disclosure. Figure 4 is an exploded perspective view of Figure 3 according to an embodiment of the present disclosure.

[0083] 3 and 4 , an acoustic device 30 according to an embodiment of the present specification may include an enclosure 310 and a sound-generating module 330. The acoustic device 30 may be configured to vibrate the vehicle interior material 130. For example, the acoustic device 30 may be a sound-generating device, a sound-output device, a speaker device, a car audio system, or an audio device, and the embodiment of the present specification is not limited thereto.

[0084] The acoustic device 30 may be configured to be connected to (or coupled with) a vehicle structure. For example, the acoustic device 30 may be configured to vibrate a portion of any one of the main structure 110, the exterior material 120, and the interior material 130 shown in FIG. 1 or 2 to generate sound.

[0085] The sound-generating module 330 can vibrate the vehicle interior material 130. As a result, the sound-generating module 330 can generate sound by vibrating the vehicle interior material 130. For example, the sound-generating module 330 can be configured to indirectly vibrate the vehicle interior material 130. The sound-generating module 330 can generate or output sound or vibration by driving (or vibrating or displacing) the vehicle interior material 130. For example, the sound-generating module 330 can be configured to vibrate the enclosure 310 to vibrate the vehicle interior material 130. For example, the sound-generating module 330 can be a sound-generating unit, a sound-generating member, a sound-reproducing module, a sound-reproducing unit, a car audio module, a car audio unit, a speaker module, or a speaker unit, and examples of the present specification are not limited thereto.

[0086] The sound-generating module 330 according to embodiments herein may include a vibrating member 331 and a vibrating device.

[0087] The vibration device according to the embodiments of the present specification may be configured to vibrate the vibration member 331. For example, the vibration device may be disposed on or configured on the vibration member 331. The vibration device may be configured to vibrate (or displace or drive) by an applied drive signal (or vibration drive signal or voice signal), thereby vibrating (or displace or drive) the vibration member 331. The vibration device may be disposed on either side of the vibration member 331. The vibration device may include one or more vibration devices. For example, one or more vibration devices may be configured on the vibration member 331.

[0088] A vibration device according to an embodiment of the present disclosure may include a first vibration device 333 and a second vibration device 335. The first vibration device 333 and the second vibration device 335 may be configured as a vibration member 331. The vibration member 331 may generate vibrations or output sound (or sound waves) due to the displacement (or drive) of the first vibration device 333 and the second vibration device 335. For example, the vibration member 331 may be a plate, a vibration plate, a vibration substrate, a vibrating object, a vibration panel, a sound plate, a passive vibration plate, a passive vibration member, a passive vibration panel, an acoustic output plate, or an acoustic vibration plate, and embodiments of the present disclosure are not limited thereto. For example, the vibration member 331 may include a metal material or one or more single or composite non-metallic materials selected from the group consisting of wood, rubber, plastic, carbon, glass, fiber, cloth, paper, mirror, and leather. For example, the paper may be cone paper for a speaker. For example, the cone paper may be pulp or foamed plastic, and the examples herein are not limited thereto.

[0089] According to an embodiment of the present disclosure, the metal material of the vibration member 331 may include one or more of stainless steel, aluminum (Al), an aluminum (Al) alloy, magnesium (Mg), a magnesium (Mg) alloy, and a magnesium-lithium (Mg-Li) alloy, but the embodiment of the present disclosure is not limited thereto. For example, the vibration member 331 may be made of a metal material such as aluminum, or a plastic material such as a styrene material, but the embodiment of the present disclosure is not limited thereto. For example, the styrene material may be an ABS material. The ABS material may be acrylonitrile, butadiene, or styrene. For example, the vibration member 331 may be made of carbon fiber reinforced plastic (CFRP), polypropylene, polycarbonate, or the like, but the embodiment of the present disclosure is not limited thereto.

[0090] The vibration member 331 may include a first surface and a second surface different from (or opposite to) the first surface. The first vibration device 333 may be disposed on the first surface (or rear surface) of the vibration member 331. The second vibration device 335 may be disposed on the second surface (or front surface) of the vibration member 331.

[0091] According to an embodiment of the present specification, the vibration member 331 may have a rectangular shape, but the embodiment of the present specification is not limited thereto. For example, the vibration member 331 may have a rectangular shape having long and short sides. The vibration devices may have a shape corresponding to or the same as the vibration member 331, but the embodiment of the present specification is not limited thereto. For example, the first vibration device 333 and the second vibration device 335 of the vibration devices may each have the same shape as the vibration member 331. According to an embodiment of the present specification, the first vibration device 333 and the second vibration device 335 may each have a rectangular shape that is smaller than the vibration member 331.

[0092] According to an embodiment of the present specification, the long sides of the first vibrating device 333 and the second vibrating device 335 may be parallel to the long side of the vibrating member 331 and spaced apart from the long side of the vibrating member 331 by a first distance (or a first shortest distance). The short sides of the first vibrating device 333 and the second vibrating device 335 may be parallel to the short side of the vibrating member 331 and spaced apart from the short side of the vibrating member 331 by a second distance (or a second shortest distance). For example, the first distance may be different from the second distance. For example, the first distance may be smaller than the second distance.

[0093] The first vibrating device 333 and the second vibrating device 335 may be arranged on either side of the vibrating member 331. The first vibrating device 333 and the second vibrating device 335 may be configured to vibrate (or displace or drive) by an applied drive signal (or vibration drive signal or voice signal), thereby vibrating (or displace or drive) the vibrating member 331. For example, the drive signals (or vibration drive signals or voice signals) applied to the first vibrating device 333 and the second vibrating device 335 may be the same or different from each other. For example, the drive signals applied to the first vibrating device 333 and the second vibrating device 335 may have the same or different phases from each other. For example, the first vibrating device 333 and the second vibrating device 335 may have a bimorph structure arranged on either side of the vibrating member 331. Because the first vibrating device 333 and the second vibrating device 335 can vibrate the vibrating member 331 independently, the influence of the material and characteristics of the vibrating member 331 on the acoustic characteristics may be reduced. This may improve the acoustic characteristics and / or sound pressure characteristics of the acoustic device 30.

[0094] According to other embodiments of the present specification, the first vibrating device 333 and the second vibrating device 335 may be configured on either the first surface or the second surface of the vibrating member 331. For example, the first vibrating device 333 may be configured on either the first surface or the second surface of the vibrating member 331. For example, the first vibrating device 333 may be coupled to or configured on the first surface of the vibrating member 331. For example, the second vibrating device 335 may be coupled to or configured on a second surface different from the first surface of the vibrating member 331. For example, the second vibrating device 335 may be coupled to the first vibrating device 333. For example, the second vibrating device 335 may be stacked on the first vibrating device 333.

[0095] The acoustic device 30 according to the embodiment of the present specification may further include an adhesive member. The adhesive member may include a first adhesive member 332 and a second adhesive member 334.

[0096] According to embodiments of the present specification, the first adhesive member 332 may be disposed between the vibration member 331 and the first vibration device 333. The first vibration device 333 may be connected or coupled to the vibration member 331 by the first adhesive member 332. For example, the first vibration device 333 may be connected or coupled to a first surface of the vibration member 331 by the first adhesive member 332.

[0097] According to embodiments of the present specification, the second adhesive member 334 may be disposed between the vibration member 331 and the second vibration device 335. The second vibration device 335 may be coupled or connected to the vibration member 331 by the second adhesive member 334. For example, the second vibration device 335 may be coupled or connected to the second surface of the vibration member 331 by the second adhesive member 334.

[0098] The first adhesive member 332 and the second adhesive member 334 may include an adhesive layer (or a pressure-sensitive adhesive layer) having excellent adhesion or bonding strength. For example, the first adhesive member 332 and the second adhesive member 334 may include the same or different adhesive layers (or a pressure-sensitive adhesive layer). For example, the first adhesive member 332 and the second adhesive member 334 may include an adhesive, a double-sided adhesive, a double-sided tape, a double-sided adhesive tape, a double-sided adhesive foam tape, a double-sided pad, a double-sided foam pad, a double-sided adhesive foam pad, a double-sided cushion tape, or a pressure-sensitive adhesive sheet, but the embodiments of the present specification are not limited thereto.

[0099] According to an embodiment of the present specification, the enclosure 310 may be adjacent to the sound-generating module 330. For example, the enclosure 310 may include at least one or more enclosures (or enclosure members). The at least one or more enclosures may include a first enclosure (or first enclosure member) 311 and a second enclosure (or second enclosure member) 312. For example, the second enclosure 312 may be coupled to the first enclosure 311. For example, the enclosure 310 may be a housing, a case, an outer case, a case member, a housing member, a cabinet, a sealing member, a sealing cap, a sealing box, or a sound box, and the embodiment of the present specification is not limited thereto.

[0100] The enclosure 310 according to the embodiment of the present specification may include one or more of a metal material or a non-metal material (or a composite non-metal material), but the embodiment of the present specification is not limited thereto. For example, the enclosure 310 may include one or more of a metal material, a plastic, a fiber, a carbon, and a wood, but the embodiment of the present specification is not limited thereto. For example, the enclosure 310 may be made of a metal material such as an aluminum material, or a plastic material such as a plastic or a styrene material, but the embodiment of the present specification is not limited thereto. For example, the styrene material may be an ABS material. The ABS material may be acrylonitrile, butadiene, or styrene.

[0101] The enclosure 310 may be configured to be coupled to (or connected to) the vehicle interior material 130. The enclosure 310 may be configured to support or house (or accommodate) the sound-generating module 330. The enclosure 310 may be configured to vibrate due to the actuation (or vibration or displacement) of the sound-generating module 330. For example, the enclosure 310 may be configured to vibrate the vehicle interior material 130 due to the actuation (or vibration or displacement) of the sound-generating module 330.

[0102] The enclosure 310 may include an interior space 313. The enclosure 310 may be located on the rear side of the sound-generating module 330 across the interior space 313. For example, the enclosure 310 may be located on the rear side of the sound-generating module 330 across the interior space 313. For example, the enclosure 310 may be coupled to the sound-generating module 330 across the interior space 313. The enclosure 310 may be configured to cover the sound-generating module 330 across the interior space 313. For example, the enclosure 310 may be configured to cover a first surface (or rear or bottom surface) and a second surface (or front or top surface) of the sound-generating module 330 opposite the first surface. The enclosure 310 may be configured to support the sound-generating module 330 across the interior space 313. For example, the enclosure 310 may be configured to support or cover each of a first face (or back or bottom face) and a second face (or front or top face) of the sound-generating module 330 .

[0103] According to embodiments of the present disclosure, the interior space 313 of the enclosure 310 may be between the sound-generating module 330 and the enclosure 310. The interior space 313 may be between the first enclosure 311 and the second enclosure 312. For example, the sound-generating module 330 may be configured in the interior space 313 of the enclosure 310. For example, the sound-generating module 330 may be configured in the interior space 313 between the first enclosure 311 and the second enclosure 312. The vibration device of the sound-generating module 330 may be in the interior space 313 of the enclosure 310. For example, the first vibration device 333 and the second vibration device 335 may be in the interior space 313 of the enclosure 310. For example, the first vibration device 333 may be between the first enclosure 311 and the vibration member 331. For example, the second vibration device 335 may be between the second enclosure 312 and the vibration member 331. For example, the interior space 313 may be a receiving space, a storage space, a gap space, an air space, a vibration space, an acoustic space, an acoustic pipe, or an enclosed space, and the embodiments herein are not limited thereto.

[0104] The first enclosure 311 can be located on the sound-generating module 330 across the internal space 313. The first enclosure 311 can be connected to the sound-generating module 330 across the internal space 313. The first enclosure 311 can be disposed or connected to a first surface (or rear surface or bottom surface) of the sound-generating module 330 across the internal space 313. For example, the first enclosure 311 can be connected (or bonded) to an edge portion of the first surface of the sound-generating module 330 across the internal space 313. The first enclosure 311 can support the first surface of the sound-generating module 330 across the internal space 313. The first enclosure 311 can be disposed (or configured) between the vehicle interior material 130 and the sound-generating module 330. For example, the first enclosure 311 can be configured to surround the first surface of the sound-generating module 330. The first enclosure 311 may be configured to cover a first surface of the sound-generating module 330 .

[0105] The first enclosure 311 may be coupled (or connected) to the vehicle interior material 130. For example, the first enclosure 311 may be coupled (or connected) to a first surface of the vehicle interior material 130. The back surface (or bottom surface) of the first enclosure 311 may be coupled (or connected) to the first surface of the vehicle interior material 130.

[0106] The first enclosure 311 can be vibrated by the driving (or vibration or displacement) of the sound generating module 330, and the vehicle interior material 130 can generate or output sound by the vibration of the first enclosure 311. According to the embodiment of the present specification, sound is generated by the vibration of the vehicle interior material 130, which has a magnitude greater than that of the acoustic device 30, and thus the acoustic characteristics and / or sound pressure characteristics of the sound band, including the low frequency band, generated by the driving (or vibration or displacement) of the acoustic device 30 can be improved.

[0107] The second enclosure 312 can be located on the sound-generating module 330 across the internal space 313. The second enclosure 312 can be coupled to the sound-generating module 330 across the internal space 313. The second enclosure 312 can be disposed or coupled to a second surface (or front surface or top surface) of the sound-generating module 330 opposite the first surface across the internal space 313. For example, the second enclosure 312 can be coupled (or joined) to an edge portion of the second surface of the sound-generating module 330 across the internal space 313. The second enclosure 312 can support the second surface of the sound-generating module 330 across the internal space 313. The second enclosure 312 can be configured to surround the second surface of the sound-generating module 330. The second enclosure 312 can be configured to cover the second surface of the sound-generating module 330.

[0108] According to embodiments herein, the second enclosure 312 may be configured to have an opposite shape to the first enclosure 311. For example, the first enclosure 311 and the second enclosure 312 may be configured to have symmetrical shapes or structures across the sound-generating module 330.

[0109] Each of the first vibrating device 333 and the second vibrating device 335 vibrates the vibrating member 331 to generate sound (or sound pressure or sound waves) in the internal space 313 of the enclosure 310, the enclosure 310 vibrates due to the sound (or sound pressure or sound waves) in the internal space 313 of the enclosure 310, and the vehicle interior material 130 vibrates due to the vibration of the enclosure 310 to generate (or output) sound. For example, the vehicle interior material 130 can vibrate due to the vibration of the first enclosure 311 caused by the sound (or sound pressure or sound waves) generated in the internal space 313 of the enclosure 310 to generate (or output) sound.

[0110] According to embodiments herein, the interior space 313 of the enclosure 310 may include a first space 313a and a second space 313b.

[0111] The vibration member 331 may be disposed in the interior space 313 of the enclosure 310. The vibration member 331 may be disposed in the interior space 313 of the enclosure 310 and coupled to a vibration device. For example, the vibration member 331 may be disposed in the interior space 313 of the enclosure 310 and coupled to one or more of the first vibration device 333 and the second vibration device 335. For example, the first vibration device 333 and the second vibration device 335 may be disposed on either side of the vibration member 331.

[0112] The vibration member 331 may be disposed or configured between the first enclosure 311 and the second enclosure 312 of the enclosure 310. The vibration member 331 may be configured to separate the internal space 313 of the enclosure 310 into a first space 313a and a second space 313b. For example, the internal space 313 of the enclosure 310 may be separated into the first space 313a and the second space 313b by the vibration member 331. For example, the first space 313a of the internal space 313 may be provided between the first enclosure 311 of the enclosure 310 and the vibration member 331 and may be covered by the vibration member 331. The second space 313b of the internal space 313 may be provided between the second enclosure 312 of the enclosure 310 and the vibration member 331 and may be covered by the vibration member 331.

[0113] According to an embodiment of the present specification, the first vibration device 333 and the second vibration device 335 may be located in different spaces in the interior space 313 of the enclosure 310. For example, the first vibration device 333 may be located in the first space 313a. For example, the second vibration device 335 may be located in the second space 313b.

[0114] The first space 313a can be between the sound-generating module 330 and the first enclosure 311. For example, the first space 313a can be between a first surface of the sound-generating module 330 and the first enclosure 311. The first space 313a can be between the first vibration device 333 and the first enclosure 311. The second space 313b can be between the sound-generating module 330 and the second enclosure 312. For example, the second space 313b can be between a second surface of the sound-generating module 330 that is different from (or opposite to) the first surface and the second enclosure 312. The second space 313b can be between the second vibration device 335 and the second enclosure 312. For example, the internal space 313 can be a gap space, an air gap, a vibration space, an acoustic space, an acoustic tube, or a sealed space, and examples of the present specification are not limited thereto.

[0115] The sound-generating module 330 can generate sound pressure (or sound or sound waves) in the interior space 313 of the enclosure 310 to vibrate the enclosure 310, and the vibration of the enclosure 310 can vibrate the vehicle interior material 130. For example, the sound-generating module 330 can be configured to vibrate the first enclosure 311 of the enclosure 310 to vibrate the vehicle interior material 130. For example, the sound-generating module 330 can generate sound pressure (or sound or sound waves) in the interior space 313 of the enclosure 310 to vibrate the first enclosure 311, and the vibration of the first enclosure 311 can vibrate the vehicle interior material 130.

[0116] According to embodiments herein, the first enclosure 311 may include an opening 310o.

[0117] The opening 310o may be configured to penetrate (or vertically penetrate) the first enclosure 311 along the thickness direction (Z) (or vertical direction) of the enclosure 310. The opening 310o may be connected to the internal space 313. The opening 310o may be connected to the first space 313a. For example, the opening 310o may be configured to reduce the air pressure in the internal space 313 of the enclosure 310. For example, the opening 310o may be configured to reduce the air pressure in the first space 313a of the first enclosure 311 or in the first space 313a provided between the vibrating member 331 and the first enclosure 311. This can extend the sound range of the bass band, thereby improving the acoustic characteristics of the bass band. For example, as the pressure (or air pressure) in the first space 313a decreases due to the opening 310o, the displacement (or bending force) of the first vibrating device 333 disposed between the vibrating member 331 and the first enclosure 311 can be increased, thereby expanding the frequency band of the low frequency band and improving the acoustic characteristics and / or sound pressure characteristics of the low frequency band. Therefore, the sound (or sound pressure) in the low frequency band generated by the vibration of the first vibrating device 333 and / or the second vibrating device 335 can be improved.

[0118] According to embodiments of the present specification, the opening 310o may be arranged to correspond to a central portion of the sound generating module 330. For example, the opening 310o may be arranged to correspond to a central portion of the vibration devices 333 and 335. For example, the opening 310o may be arranged to correspond to a central portion of the first vibration device 333 and the second vibration device 335. For example, the opening 310o may be arranged to correspond to a central portion of each of the first vibration device 333 and the second vibration device 335. For example, the interior space 313 of the enclosure 310 may include a space coupled to the opening 310o. For example, the interior space 313 of the enclosure 310 may include a first space 313a coupled to the opening 310o.

[0119] According to an embodiment of the present specification, the opening 310o may be smaller than the size of the first vibrating device 333. For example, the opening 310o may be smaller than the size of the first vibrating device 333 disposed on the vibrating member 331. For example, the opening 310o may include a line shape having a size (or length) smaller than the size of the first vibrating device 333 disposed on the vibrating member 331. For example, the opening 310o may be a hole, a slot, or a slit, and the embodiment of the present specification is not limited thereto. For example, the opening 310o may be an acoustic emission portion, an acoustic emission port, an acoustic output portion, an acoustic output port, an acoustic output hole, or a vent hole, and the embodiment of the present specification is not limited thereto.

[0120] The opening 310o can be a space through which sound waves generated by vibration of the sound-generating module 330 propagate (or transmit) to the interior space of the vehicle. For example, the vibration of the sound-generating module 330 can be transmitted to the interior space of the vehicle through the opening 310o. For example, sound waves (or sound) caused by the vibration of the sound-generating module 330 can be transmitted (or output or emitted) to the interior space of the vehicle through the opening 310o. This can increase the vibration amplitude (or displacement amplitude) of the vibrating member 331 caused by the vibration of the sound-generating module 330, thereby improving the acoustic characteristics and / or sound pressure characteristics generated by the vibration of the vibrating member 331.

[0121] The first enclosure 311 may be disposed closer to the vehicle interior material 130 than the second enclosure 312. For example, the first enclosure 311 including the opening 310o may be disposed closer to the vehicle interior material 130 than the second enclosure 312. This allows sound generated by vibration of one or more of the first vibrating device 333 and the second vibrating device 225 to be output to the interior space of the vehicle, and therefore sound including low-frequency bands can be output to the interior space of the vehicle.

[0122] The first enclosure 311 may include an inclined surface 311s and an inner surface 311i. The first inclined surface 311s may be configured to be inclined between the inner surface 311i of the first enclosure 311 and the opening 310o. The inclined surface 311s may be configured to guide sound generated by vibration of the sound generating module 330 into the interior space of the vehicle. This allows sound generated by vibration of the sound generating module 330 to be output into the interior space of the vehicle, and may further improve the acoustic characteristics and / or sound pressure characteristics of sound, including low-frequency sounds. For example, the inclined surface 311s may be a guide surface or an acoustic guide surface, and the embodiments of the present specification are not limited thereto.

[0123] The vibration member 331 may be arranged or configured to be spaced apart from the opening 310o. The vibration member 331 may be configured in the interior space 313 to be spaced apart from the opening 310o. For example, the vibration member 331 may be arranged in the interior space 313 and configured between the first enclosure 311 and the second enclosure 312. For example, the vibration member 331 may be arranged in the interior space 313 and supported by at least one of the first enclosure 311 and the second enclosure 312. For example, the vibration member 331 may be arranged to cover the interior space 313 and supported by at least one of the first enclosure 311 and the second enclosure 312. For example, the vibration member 331 may be arranged to cover the interior space 313 of the enclosure 310. For example, the vibration member 331 may be supported by the first enclosure 311 and the second enclosure 312.

[0124] According to one embodiment of the present specification, the first enclosure 311 of the enclosure 310 may be disposed or configured on a first surface (or rear surface) of the vibration member 331. The first enclosure 311 of the enclosure 310 may be coupled to (or connected with) the first surface of the vibration member 331. For example, the first enclosure 311 may be coupled to (or connected with) an edge portion of the first surface of the vibration member 331. The first enclosure 311 may be configured to support the edge portion of the first surface of the vibration member 331. For example, the first enclosure 311 may be configured to cover the first surface of the sound-generating module 330. For example, the first enclosure 311 may be configured to surround the first surface of the sound-generating module 330.

[0125] According to one embodiment of the present specification, the second enclosure 312 may be disposed or configured on a second surface (or rear surface) different from (or opposite to) the first surface of the vibration member 331. The second enclosure 312 may be configured to support an edge portion of the second surface of the vibration member 331. The second enclosure 312 of the enclosure 310 may be coupled to (or connected with) the second surface of the vibration member 331. For example, the second enclosure 312 may be coupled to (or connected with) the edge portion of the second surface of the vibration member 331. For example, the second enclosure 312 may be configured to cover the second surface of the sound-generating module 330. For example, the second enclosure 312 may be configured to surround the second surface of the sound-generating module 330.

[0126] The acoustic device 30 according to the embodiments of the present specification may further include a coupling member 320. The coupling member 320 may be configured to connect or couple the vibration member 331 and the enclosure 310 to each other. For example, the coupling member 320 may be located between an edge portion of the vibration member 331 and the enclosure 310. The coupling member 320 may include a first coupling member 321 and a second coupling member 322.

[0127] The first coupling member 321 can be between the vibration member 331 and the first enclosure 311. The first coupling member 321 can be between an edge portion of the vibration member 331 and an edge portion of the first enclosure 311. For example, the edge portion of the first enclosure 311 can be connected or coupled to a first surface of the vibration member 331 by the first coupling member 321. For example, the edge portion of the first enclosure 311 can be connected or coupled to an edge portion of the first surface of the vibration member 331 by the first coupling member 321.

[0128] The second coupling member 322 can be between the vibration member 331 and the second enclosure 312. The second coupling member 322 can be between an edge portion of the vibration member 331 and an edge portion of the second enclosure 312. For example, the edge portion of the second enclosure 312 can be coupled or connected to the second surface of the vibration member 331 by the second coupling member 322. For example, the edge portion of the second enclosure 312 can be coupled or connected to the edge portion of the second surface of the vibration member 331 by the second coupling member 322.

[0129] According to an embodiment of the present disclosure, the coupling member 320 may be configured to minimize or prevent vibrations of the vibrating member 331 from being transmitted to the enclosure 310. The coupling member 320 may include material properties suitable for isolating vibrations. For example, the coupling member 320 may include an elastic material. For example, the coupling member 320 may include an elastic material for vibration absorption (or shock absorption). The coupling member 320 according to an embodiment of the present disclosure may be made of a polyurethane material or a polyolefin material, but the embodiment of the present disclosure is not limited thereto. For example, the coupling member 320 may include one or more of an adhesive, a double-sided adhesive, a double-sided tape, a double-sided adhesive tape, a double-sided adhesive foam tape, a double-sided adhesive foam tape, a double-sided pad, a double-sided foam pad, a double-sided adhesive foam pad, and a double-sided cushion tape, but the embodiment of the present disclosure is not limited thereto.

[0130] The coupling member 320 according to other embodiments of the present specification may be configured to minimize or prevent the vibration of the vibrating member 331 from being transmitted to the enclosure 310, and to reduce the reflection of incident sound waves generated by the vibration of the vibrating member 331.

[0131] The acoustic device 30 according to an embodiment of the present specification includes the sound generating module 330 having a bimorph structure, and therefore the acoustic characteristics and / or sound pressure characteristics of sounds including the low-frequency band can be improved. The acoustic device 30 according to an embodiment of the present specification includes the enclosure 310 having the opening 310o, and therefore the sound range of the low-frequency band can be expanded as the air pressure in the internal space 313 of the enclosure 310 decreases, and therefore the acoustic characteristics and / or sound pressure characteristics of the low-frequency band can be improved.

[0132] In various embodiments herein, the multiple acoustic devices 30 may be provided and arranged in various configurations. For example, two or more of the multiple acoustic devices may be stacked on top of each other or arranged side by side. When stacked, the holes of one sound-generating module 330 may be aligned with the holes of another sound-generating module 330.

[0133] Each of the enclosures 310 may also include multiple sound-generating modules 330. For example, two or more sound-generating modules 330 may be provided in each enclosure 310 and may be stacked on top of each other with a spacer in between. Alternatively, two or more sound-generating modules 330 may be arranged side by side. When arranged side by side, each sound-generating module 330 may share a common vibrating member 331, or each sound-generating module 330 may include a separate vibrating member.

[0134] In various embodiments herein, first enclosure 311 and second enclosure 312 can be formed of or include the same or different materials, although embodiments herein are not limited thereto.

[0135] FIG. 5 is a diagram showing an acoustic device according to another embodiment of the present specification.

[0136] 5, an acoustic device 30 according to another embodiment of the present specification may include an enclosure 310, a sound-generating module 330, and a coupling member 320. The enclosure 310, the sound-generating module 330, and the coupling member 320 are substantially the same as those described in FIGS. 3 and 4, and therefore are denoted by the same reference numerals, and duplicate descriptions may be omitted or simplified.

[0137] The acoustic device 30 according to another embodiment of the present specification may further include a connecting member 350 .

[0138] The connecting member 350 may be located or configured between the vehicle interior material 130 and the sound-generating module 330. The connecting member 350 may be configured on the enclosure 310. For example, the connecting member 350 may be connected to the enclosure 310. The connecting member 350 may be disposed on the rear surface of the enclosure 310. For example, the connecting member 350 may be disposed on the rear surface of the first enclosure 311. For example, the connecting member 350 may be connected to the first enclosure 311. The connecting member 350 may be disposed between the enclosure 310 and the vehicle interior material (or an object to which the acoustic device 30 or the enclosure 310 is to be attached). For example, the object to which the acoustic device 30 or the enclosure 310 is to be attached may be a structure to which the acoustic device 30 or the enclosure 310 is to be attached. The connecting member 350 may be a coupling member, an intermediate member, or a buffer member, and examples of the present specification are not limited thereto.

[0139] The connecting member 350 may be configured to transmit vibrations of the first enclosure 311 to the vehicle interior material 130 due to vibrations of the sound generating module 330. This allows the vehicle interior material 130 to vibrate due to the vibrations transmitted via the connecting member 350 and generate (or output) sound.

[0140] According to another embodiment of the present specification, the first enclosure 311 may include an inner surface 311i and an outer surface. The inner surface 311i of the first enclosure 311 may face the vibration member 331. The outer surface of the first enclosure 311 may be the surface opposite the inner surface 311i of the first enclosure 311. The connecting member 350 may be connected to the periphery of the opening 310o of the outer surface of the first enclosure 311. For example, the connecting member 350 may be connected between the periphery of the opening 310o of the outer surface of the first enclosure 311 and the vehicle interior material 130.

[0141] According to another embodiment of the present specification, the connecting member 350 may be made of a hard material. The connecting member 350 may be made of a material having high elasticity (or Young's modulus) and high tensile strength. For example, the connecting member 350 may be rubber, although the embodiment of the present specification is not limited thereto. For example, the rubber may be ethylene propylene rubber or urethane rubber, although the embodiment of the present specification is not limited thereto. For example, the ethylene propylene rubber may be ethylene propylene diene monomer (EPDM), although the embodiment of the present specification is not limited thereto. For example, the hardness of EPDM may be 40 to 90, although the embodiment of the present specification is not limited thereto. For example, the tensile strength of EPDM is 50 kg / cm. 2 ~200kg / cm 2 However, the examples herein are not limited thereto.

[0142] According to an embodiment of the present specification, the connecting member 350 may further include a hole 350o (or a first hole or an opening hole). For example, the connecting member 350 may further include a hole 350o connected to the opening 310o in the enclosure 310 or the first enclosure 311. The hole 350o may be disposed corresponding to (or overlapping with) the opening 310o. Thus, sound generated by vibration of the sound generating module 330 may be output into the interior space of the vehicle through the opening 310o and the hole 350o. The hole 350o may have the same shape as the opening 310o. For example, the hole 350o may be an opening, an opening hole, a slit, a slot, a connecting hole, or an intermediate hole, and the embodiment of the present specification is not limited thereto.

[0143] According to one embodiment of the present specification, the connecting member 350 may be protected by a release film (or protective film) 351. The release film 351 may be attached to an adhesive surface of the connecting member 350. The release film 351 may be peeled off (or removed) from the connecting member 350 when the acoustic device 30 including the connecting member 350 is attached to a vehicle interior material (or an object to be attached).

[0144] The connecting member 350 according to the embodiment of the present specification can prevent unnecessary vibrations of the sound generating module 330 from being transmitted to the interior space of the vehicle, thereby improving the acoustic characteristics and / or sound pressure characteristics of the acoustic device 30. Furthermore, the connecting member 350 can reduce heat generated when the sound generating module 330 vibrates.

[0145] FIG. 6 is a diagram showing an acoustic device according to another embodiment of the present specification.

[0146] 6, an acoustic device 30 according to another embodiment of the present specification may include an enclosure 310, a sound-generating module 330, and a coupling member 320. The descriptions of the enclosure 310, the sound-generating module 330, and the coupling member 320 are substantially the same as those described in Figures 3 and 4, and therefore the same reference numerals are used therefor, and duplicate descriptions may be omitted or simplified.

[0147] The acoustic device 30 according to another embodiment of the present specification may further include a soft member 360 .

[0148] The soft member 360 may be located or configured between the vehicle interior material 130 and the sound-generating module 330. The soft member 360 may be disposed in the enclosure 310. For example, the soft member 360 may be coupled to the enclosure 310. The soft member 360 may be disposed on the rear surface of the enclosure 310. For example, the soft member 360 may be disposed on the rear surface of the first enclosure 311. For example, the soft member 360 may be coupled to the first enclosure 311. The soft member 360 may be disposed between the enclosure 310 and the vehicle interior material (or an object to which it is attached). For example, the soft member 360 may be disposed between the first enclosure 311 and the vehicle interior material (or an object to which it is attached). For example, the soft member 360 may be a connecting member, an intermediate member, or a buffer member, and examples of the present specification are not limited thereto.

[0149] According to an embodiment of the present specification, the first enclosure 311 may include an inner surface 311i and an outer surface. The inner surface 311i of the first enclosure 311 may face the vibration member 331. The outer surface of the first enclosure 311 may be the surface opposite the inner surface 311i. The flexible member 360 may be coupled to the periphery of the opening 310o of the outer surface of the first enclosure 311. For example, the flexible member 360 may be coupled between the periphery of the opening 310o of the outer surface of the first enclosure 311 and the vehicle interior material 130.

[0150] The flexible member 360 may be made of a different material than the connecting member 350. The elasticity (or Young's modulus) of the flexible member 360 may be different from that of the connecting member 350. For example, the flexible member 360 may be made of a material having low elasticity. The flexible member 360 may be made of a soft material. For example, the flexible member 360 may be ethylene propylene rubber or urethane rubber, although the embodiments of the present specification are not limited thereto. The ethylene propylene rubber may be ethylene propylene diene monomer (EPDM), and the flexible member 360 may be made of EPDM with a different foaming ratio to have low elasticity, although the embodiments of the present specification are not limited thereto. For example, the flexible member 360 may be made of single-sided tape, single-sided sponge tape, single-sided porous tape, single-sided cushion tape, double-sided tape, double-sided sponge tape, double-sided porous tape, or double-sided cushion tape, although the embodiments of the present specification are not limited thereto.

[0151] According to an embodiment of the present specification, the soft member 360 may further include a hole 360o (or a second hole or an opening hole). For example, the soft member 360 may further include a hole 360o connected to the opening 310o. The hole 360o may be disposed corresponding to the opening 310o. As a result, sound generated by vibration of the sound generating module 330 can be output to the interior space of the vehicle through the opening 310o and the hole 360o. The hole 360o may have the same shape as the opening 310o, but the embodiment of the present specification is not limited thereto. For example, the hole 360o may be an opening, an opening hole, a slit, a slot, a connecting hole, or an intermediate hole, but the embodiment of the present specification is not limited thereto. The soft member 360 according to the embodiment of the present specification can absorb external impacts and therefore protect the acoustic device 30 from external impacts. For example, the soft member 360 may be a porous member, a buffer member, a shock-absorbing member, or the like, but the embodiment of the present specification is not limited thereto.

[0152] In various embodiments herein, the openings in the components may vary in size or may be identical. For example, the hole 310o in the first enclosure 311 may be the same or similar in size as the hole 360o in the flexible member 360, but the embodiments herein are not limited thereto. For example, the hole 310o may be different from the hole 360o. In various embodiments herein, the opening 360o in the flexible member 360 may be larger or wider than the opening 310o in the first enclosure. A larger hole 360o may allow better sound to escape from the enclosure 310, while a smaller hole 360o may allow the amount of sound emitted to be adjusted. In various embodiments herein, the size of at least one of the holes 310o, 360o may be freely changed to increase or decrease in size in real time, such as by using a cover that can be closed or opened, or the size of each of the holes 310o, 360o may be changed to modulate the sound emitted from the enclosure 310. Also, holes 310o, 360o do not need to be aligned or overlapping, but may partially overlap or be offset from one another. If offset from one another, there may be a connecting hole extending from hole 310o to hole 360o to allow sound to escape from enclosure 310.

[0153] In various embodiments of the present specification, the shape of the hole 310o and the shape of the hole 360o may correspond as described below, and the embodiments of the present specification are not limited thereto. For example, the shapes of the holes 310o and 360o may be different from each other in various embodiments. Furthermore, the shapes of the holes 310o and 360o may be changed in real time using a cover such as an iris diaphragm or a rotating diaphragm.

[0154] According to one embodiment of the present specification, the soft member 360 may be protected by a release film (or protective film) 361. The release film 361 may be attached to the adhesive surface of the soft member 360. The release film 361 may be peeled off (or removed) from the soft member 360 when the acoustic device 30 including the soft member 360 is attached to a vehicle interior material (or an object to be attached).

[0155] The soft member 360 according to the embodiment of the present specification can absorb external impacts and prevent damage to the sound generating module 330. This can improve the durability and reliability of the acoustic device 30.

[0156] According to other embodiments of the present specification, the flexible member 360 may be configured on the enclosure 310 in place of the connecting member 350 described with reference to Fig. 5, or may be laminated on the connecting member 350. For example, the connecting member 350 and the flexible member 360 may be disposed between the first enclosure 311 and the vehicle interior material (or the object to be attached). For example, the connecting member 350 may be connected to the first enclosure 311, and the flexible member 360 may be disposed between the connecting member 350 and the vehicle interior material (or the object to be attached).

[0157] FIG. 7 is a diagram showing an acoustic device according to another embodiment of the present specification.

[0158] 7, an acoustic device 30 according to another embodiment of the present specification may include an enclosure 310, a sound-generating module 330, and a coupling member 320. The enclosure 310, the sound-generating module 330, and the coupling member 320 are substantially the same as those described in FIGS. 3 and 4, and therefore the same reference numerals are used therefor, and duplicate descriptions may be omitted or simplified.

[0159] According to other embodiments of the present disclosure, the acoustic device 30 may include one or more vibration generators, such as vibration devices 333 and 335. For example, the vibration devices 333 and 335 may include one or more vibration generators 333A, 333B, 335A, and 335B.

[0160] The first vibration device 333 of the vibration devices 333, 335 can include one or more vibration generators 333A, 333B, 335A, 335B. The first vibration device 333 can include a first vibration generator 333A and a second vibration generator 333B. For example, the first vibration generator 333A can be stacked on the second vibration generator 333B.

[0161] The second vibration device 335 of the vibration devices 333, 335 can include one or more vibration generators. The second vibration device 335 can include a first vibration generator 335A and a second vibration generator 335B. For example, the second vibration generator 335A can be stacked on the second vibration generator 335B. Vibration devices 333, 335 including one or more vibration generators will be described below with reference to FIG. 54.

[0162] According to other embodiments of the present specification, the vibration devices 333, 335 including one or more vibration generators may be configured on the first surface or the second surface of the vibration member 331. For example, one of the first vibration device 333 and the second vibration device 335 including one or more vibration generators may be configured only on the first surface of the vibration member 331. For example, one of the first vibration device 333 and the second vibration device 335 including one or more vibration generators may be disposed in the first space 313a. For example, the first vibration device 333 including one or more vibration generators may be configured on the first surface of the vibration member 331, and the second vibration device 335 including one or more vibration generators may be omitted.

[0163] According to other embodiments of the present specification, one of the first vibration device 333 and the second vibration device 335 including one or more vibration generators may be configured only on the second surface of the vibration member 331. For example, one of the first vibration device 333 and the second vibration device 335 including one or more vibration generators may be disposed in the second space 313b. For example, the second vibration device 335 including one or more vibration generators may be configured on the second surface of the vibration member 331, and the first vibration device 333 including one or more vibration generators may be omitted.

[0164] In other embodiments of the vibration devices 333, 335 herein, the displacement amount or amplitude displacement can be maximized or increased by including one or more vibration generators stacked (or overlapping or superimposed) to vibrate (or displace or drive) in the same direction as each other, thereby maximizing or increasing the displacement amount (or bending force or driving force) or amplitude displacement of the vibration member 331.

[0165] Fig. 8 is a diagram showing an acoustic device according to another embodiment of the present specification. Fig. 9 is an exploded perspective view of the acoustic device shown in Fig. 8 according to another embodiment of the present specification.

[0166] 8 and 9, an acoustic device 30 according to another embodiment of the present specification may include an enclosure 310, a sound generating module 330, and a coupling member 320. The enclosure 310, the sound generating module 330, and the coupling member 320 are substantially the same as those described with reference to FIGS. 3 to 5, and therefore the same reference numerals are used therefor, and duplicated descriptions may be omitted or simplified.

[0167] An acoustic device 30 according to another embodiment of the present specification may further include a connecting member 350. The description of the connecting member 350 is substantially the same as that described in FIG. 5, so the description here may be omitted or simplified.

[0168] The connecting member 350 according to other embodiments of the present specification may be disposed on the rear surface of the enclosure 310. The vehicle interior material 130 may be connected or coupled to the enclosure 310 by the connecting member 350. For example, the connecting member 350 may be disposed on the rear surface of the first enclosure 311. For example, the connecting member 350 may be connected or coupled to the rear surface of the first enclosure 311. The connecting member 350 may be disposed between the enclosure 310 and the vehicle interior material. For example, the connecting member 350 may be disposed between the first enclosure 311 and the vehicle interior material.

[0169] According to the embodiment of the present specification, the connecting member 350 is made of a relatively hard material, and therefore can transmit vibrations of the first enclosure 311 caused by the vibration of the vibrating device to the vehicle interior material 130. As a result, the vehicle interior material 130 can vibrate and generate sound due to the vibrations transmitted through the connecting member 350. For example, if the connecting member 350 is made of a relatively hard material, the vehicle interior material 130 connected to the connecting member 350 can function as a diaphragm for generating (or outputting) sound. For example, if the connecting member 350 is made of a relatively hard material, the vibrations of the first enclosure 311 can be more efficiently transmitted to the vehicle interior material 130.

[0170] According to an embodiment of the present disclosure, the connecting member 350 may further include a first hole 350o (or holes). For example, the connecting member 350 may further include a first hole 350o connected to the opening 310o in the enclosure 310. The first hole 350o may be disposed to correspond to (or overlap) the opening 310o. The first hole 350o may have the same shape as the opening 310o. For example, the first hole 350o may be an opening, an opening hole, a slit, a slot, a connecting hole, or an intermediate hole, and the embodiment of the present disclosure is not limited thereto.

[0171] According to an embodiment of the present specification, the vehicle interior material 130 may further include a second hole 135 (or hole, opening hole, or through hole). The second hole 135 (or hole) may include one hole or multiple holes. For example, the single second hole 135 may correspond to (or overlap) the opening 310o and the first hole 350o. For example, the single second hole 135 may have the same or larger size as the opening 310o and the same size as the first hole 350o. For example, the multiple holes may be arranged at the same or different intervals. The second hole 135 may be arranged to correspond to (or overlap) the opening 310o and / or the first hole 350o. For example, the second hole 135 (or hole) may be accommodated within the opening 310o and / or the first hole 350o. For example, the second hole 135 may be a through hole, an opening, an aperture hole, a slit, a slot, an acoustic hole, an acoustic emission hole, or an acoustic output hole, and the embodiments herein are not limited thereto.

[0172] According to an embodiment of the present specification, sound generated by vibration of the sound generating module 330 can be output to the interior space of the vehicle through the opening 310o, the first hole 350o, and the second hole 135. The acoustic device 30 or the enclosure 310 can be connected or coupled to the vehicle interior material 130 by the connecting member 350.

[0173] FIG. 10 is a diagram showing an acoustic device according to another embodiment of the present specification.

[0174] 10, an acoustic device 30 according to another embodiment of the present specification may include an enclosure 310, a sound generating module 330, and a coupling member 320. The enclosure 310, the sound generating module 330, and the coupling member 320 are substantially the same as those described in FIGS. 3 to 5, and therefore the same reference numerals are used therefor, and duplicated descriptions may be omitted or simplified.

[0175] An acoustic device 30 according to another embodiment of the present specification may further include a flexible member 360. The description of the flexible member 360 is substantially the same as that described in FIG. 6, so the description here may be omitted or simplified.

[0176] The vehicle interior material 130 according to other embodiments of the present specification may include at least one or more curved portions 136. The soft member 360 may be configured to correspond to the at least one or more curved portions 136. The soft member 360 may be in contact with the at least one or more curved portions 136. For example, the vehicle interior material 130 may include at least one or more curved portions 136 in contact with the soft member 360. The soft member 360 may be in contact with the entire vibration region of the vehicle interior material 130. The soft member 360 may be in direct contact with the entire vibration region of the vehicle interior material 130. The soft member 360 may be in direct contact with at least one or more curved portions 136. For example, the soft member 350 may be in direct contact with the at least one or more curved portions 136 without an intermediary or intermediate member. For example, the soft member 350 may be in direct contact with the entire vibration region of the vehicle interior material 130 without an intermediary or intermediate member. The vibrations generated by the sound-generating module 330 can be transmitted to the entire vibration region of the vehicle interior material 130, including the curved portion 136 and the flat portion, by the soft member 360. As a result, sound is generated (or output) by the vibration of the entire vibration region of the vehicle interior material 130, and the acoustic characteristics and / or sound pressure characteristics of the sound range, including the low-frequency range, generated by the sound-generating module 330 can be improved.

[0177] According to an embodiment of the present specification, the flexible member 360 may be made of a relatively soft material (or a flexible material) for connecting (or coupling) with the vehicle interior material 130 including the curved portion 136 and the flat portion. For example, when the curved portion (or at least one bent portion) 136 is included in the vibration region of the vehicle interior material 130, the flexible member 360 may be made of a relatively soft material (or a flexible material). For example, the connecting member 350 according to other embodiments of the present specification made of a soft material (or a flexible material) may be a soft member or a flexible member.

[0178] According to an embodiment of the present specification, the flexible member 360 may be formed of a relatively soft material (or a soft material), such as a single-sided tape, a single-sided sponge tape, a single-sided porous tape, a single-sided cushion tape, a double-sided tape, a double-sided sponge tape, a double-sided porous tape, or a double-sided cushion tape, but the embodiment of the present specification is not limited thereto. The flexible member 360 may be configured to fill at least one or more curved portions 136 of the vehicle interior material 130, or to cover or completely cover the curved portions 136 of the vehicle interior material 130.

[0179] According to the embodiments of the present specification, the soft member 360 may be disposed between the enclosure 310 and at least one or more curved portions 136 of the vehicle interior material 130. The soft member 360 may be disposed between the first enclosure 311 and at least one or more curved portions 136 of the vehicle interior material 130. For example, the acoustic device 30 or the first enclosure 311 may be connected or joined to at least one or more curved portions 136 of the vehicle interior material 130 by the soft member 360. In this way, the soft member 360 fills at least one or more curved portions 136 of the vehicle interior material 130 or covers the curved portions 136, thereby absorbing external impacts and protecting the acoustic device 30.

[0180] According to an embodiment of the present disclosure, the flexible member 360 may further include a first hole 360o (or holes). For example, the flexible member 360 may further include a first hole 360o connected to the opening 310o in the sound-generating module 330. The first hole 360o may be disposed corresponding to the opening 310o. The first hole 360o may have the same shape as the opening 310o, although the embodiment of the present disclosure is not limited thereto. For example, the first hole 360o may be an opening, an opening hole, a slit, a slot, a connecting hole, or an intermediate hole, although the embodiment of the present disclosure is not limited thereto.

[0181] According to an embodiment of the present specification, the vehicle interior material 130 may further include a second hole 135 (or holes). The second hole 135 (or holes) may include one hole or multiple holes. For example, the single second hole 135 may correspond to (or overlap) the opening 310o and the first hole 350o. For example, the single second hole 135 may have the same size as or larger than the opening 310o and the same size as the first hole 350o. The second hole 135 may be positioned to correspond to (or overlap) the opening 310o and / or the first hole 350o. For example, the second hole 135 (or holes) may be accommodated within the opening 310o and / or the first hole 350o. For example, the second hole 135 may be an opening, an opening hole, a slit, or a slot, and the present specification is not limited thereto.

[0182] According to the embodiment of the present specification, sound generated by vibration of the sound-generating module 330 can be output to the vehicle interior space through the opening 310o, the first hole 360o, and the second hole 135. The sound-generating module 330 can be connected or coupled to at least one curved portion (or bent portion) 136 of the vehicle interior material 130 by the soft member 360. The soft member 360 can absorb external impacts, thereby protecting the acoustic device 30 from external impacts.

[0183] FIG. 11 is a diagram showing an acoustic device according to another embodiment of the present specification.

[0184] 11, an acoustic device 30 according to another embodiment of the present specification may include an enclosure 310, a sound generating module 330, and a coupling member 320. The enclosure 310, the sound generating module 330, and the coupling member 320 are substantially the same as those described with reference to FIGS. 3 to 10, and therefore the same reference numerals are used therefor, and duplicated descriptions may be omitted or simplified.

[0185] When connecting the acoustic device 30 to the vehicle interior material 130, the acoustic device 30 and the vehicle interior material 130 may be connected with an adhesive. When connecting the acoustic device 30 to the vehicle interior material 130 with an adhesive, there is a problem that rework or replacement is difficult in the event of a defect or malfunction of the acoustic device 30, and there is a problem that the acoustic device 30 may be damaged during rework or replacement. Therefore, the inventors of the present specification conducted various studies and experiments to make it easy to rework or replace the acoustic device 30 connected to the vehicle interior material 130 and to reduce damage to the acoustic device 30. Through various studies and experiments, they invented an acoustic device that is easy to rework or replace the acoustic device 30 connected to the vehicle interior material 130 and does not cause damage during rework or replacement. This will be described below.

[0186] The acoustic device 30 according to another embodiment of the present specification may further include a coupling unit 500 .

[0187] The coupling portion 500 may be located or configured between the vehicle interior material 130 and the sound-generating module 330. The coupling portion 500 may be located on the rear surface of the enclosure 310. The coupling portion 500 may be located between the rear surface of the enclosure 310 and the vehicle interior material 130. For example, the coupling portion 500 may be configured to couple the enclosure 310 to the vehicle interior material 130 (or an object to which it is attached). The coupling portion 500 may be configured to couple the enclosure 310 to the vehicle interior material 130 (or an object to which it is attached) to which the enclosure 310 is attached. For example, the coupling portion 500 may be configured to couple the enclosure 310 to the vehicle interior material 130 (or an object to which it is attached) to which the first enclosure 311 is attached. For example, the coupling portion 500 may be configured to connect or couple the enclosure 310 to the vehicle interior material 130. For example, the acoustic device 30 or the enclosure 310 may be connected or coupled to the vehicle interior material 130 by a coupling unit 500. Sound generated by vibration of the sound-generating module 330 may be output to the vehicle interior space through the coupling unit 500. For example, the coupling unit 500 may be a coupling means, a coupling structure, an acoustic guide member, a waveguide, or an acoustic emission member, and the embodiments of the present specification are not limited thereto.

[0188] According to the embodiments of the present specification, the coupling portion 500 may be accommodated or inserted in the first enclosure 311. The coupling portion 500 may be accommodated or inserted in the hole 135 of the vehicle interior material 130. The coupling portion 500 may be accommodated or inserted in the opening 310o and the hole 135 of the first enclosure 311. For example, the hole 135 (or the opening hole) of the vehicle interior material 130 may be connected to the opening 310o. For example, the coupling portion 500 may be configured to be coupled to the first enclosure 311 via the hole 135 (or the opening hole) and the opening 310o of the vehicle interior material 130.

[0189] According to the embodiments of the present specification, the enclosure 310 surrounds both sides (or the top and bottom directions relative to the horizontal direction) of the sound-generating module 330, so that the internal space 313 can be minimized. For example, the first enclosure 311 and the second enclosure 312 surround both sides (or the top and bottom directions relative to the horizontal direction) of the sound-generating module 330, so that the first internal space 313a and the second internal space 313b can be minimized. This can reduce the thickness of the sound-generating module 330, and therefore the thickness of the acoustic device 30.

[0190] The coupling unit 500 according to the embodiment of the present specification may further include a hollow portion 501. The hollow portion 501 may be connected to the internal space 313 of the enclosure 310 through the opening 310o of the enclosure 310. The hollow portion 501 may be connected to the first space 313a through the opening 310o of the first enclosure 311. Sound generated by vibration of the sound generating module 330 may be output to the interior space of the vehicle through the hollow portion 501. The hollow portion 501 may be an acoustic emission port or an acoustic output port.

[0191] The coupling portion 500 according to the embodiment of the present disclosure may further include a latch member 503 .

[0192] The latch member 503 may be configured to be connected or coupled to the vehicle interior material 130 (or an object to which it is attached). For example, the latch member 503 may be configured to be connected or coupled to the vehicle interior material 130 (or an object to which it is attached) to which the enclosure 310 is attached. The latch member 503 may be connected or coupled around the hole 135 of the vehicle interior material 130. The latch member 503 may be connected or coupled to the back surface (or interior surface) 130s of the vehicle interior material 130 around the hole 135 (or through-hole) of the vehicle interior material 130. For example, the latch member 503 may be a clasp or the like, and examples of the present specification are not limited thereto.

[0193] The coupling portion 500 according to the embodiment of the present disclosure may further include a hook member 504 .

[0194] The first enclosure 311 may include an inner surface 311i and an outer surface. The inner surface 311i of the first enclosure 311 may face the vibration member 331. The outer surface of the first enclosure 311 may be the surface opposite the inner surface 311i. The hook member 504 may be coupled to the inner surface 311i of the first enclosure 311 facing the vibration member 331. The hook member 504 may be coupled to the inner surface 311i or the inclined surface 311s of the enclosure 310 in the interior space 313 of the enclosure 310. The hook member 504 may be accommodated or inserted into the opening 310o of the first enclosure 311. For example, the hook member 504 may be accommodated or inserted into the opening 310o of the first enclosure 311 via the vehicle interior material 130 or an object to which it is attached.

[0195] The enclosure 310 or the first enclosure 311 may further include a home portion 311g. For example, the home portion 311g may be configured on an inner surface 311i in the inner space 313. For example, the home portion 311g may be configured around an opening 310o of the inner surface 311i in the inner space 313.

[0196] The hook member 504 may include an inclined surface 504s. For example, the hook member 504 may include an inclined surface 504s depending on the shape of the latch member 503. The inclined surface 504s may be configured to correspond to the shape of the latch member 503. The hook member 504 may be configured to correspond to the home portion 311g of the enclosure 310 or the first enclosure 311. For example, the hook member 504 may be coupled or connected to the home portion 311g of the enclosure 310 or the first enclosure 311. For example, the hook member 504 may be coupled or connected to the home portion 311g of the enclosure 310 or the first enclosure 311 and the back surface (or interior surface) 130s of the vehicle interior material 130. For example, the hook member 504 may be received (or inserted) into the opening 310o through the vehicle interior material 130 and coupled or connected to the home portion 311g. For example, the hook member 504 may be received (or inserted) into the opening 310o through the vehicle interior material 130 and connected or coupled to the platform 311g by a hook coupling method. For example, the platform 311g and the inclined surface 504s may be a fastening guide surface with the coupling part 500. For example, the hook member 504 may be a protrusion or a projection, although the embodiments of the present specification are not limited thereto. For example, the platform 311g may be a protrusion or the like, although the embodiments of the present specification are not limited thereto.

[0197] According to the embodiments of the present specification, since the acoustic device 30 can be connected or coupled to the vehicle interior material 130 by the coupling unit 500, rework or replacement of the acoustic device 30 connected to the vehicle interior material 130 can be facilitated, and damage to the acoustic device 30 and / or the sound generating module 330 can be prevented during rework or replacement. According to the embodiments of the present specification, since the coupling unit 500 is configured, the acoustic device 30 can be easily attached or mounted in a narrow area (or space) between the vehicle interior material 130 and the vehicle structure. According to the embodiments of the present specification, since the acoustic device 30 is connected or mounted to the vehicle interior material 130 by the coupling unit 500, vibration noise is not generated between the acoustic device 30 and the vehicle interior material 130, and therefore the acoustic characteristics and / or sound pressure characteristics of the acoustic device 30 can be improved.

[0198] Fig. 12 is a diagram showing an acoustic device according to another embodiment of the present specification. Fig. 13A and Fig. 13B are diagrams showing a method of connecting the acoustic device shown in Fig. 12 and a connecting portion according to another embodiment of the present specification.

[0199] 12 to 13B, an acoustic device 30 according to another embodiment of the present specification may include an enclosure 310 and a sound generating module 330. The descriptions of the enclosure 310 and the sound generating module 330 are substantially the same as those described in FIGS. 3 to 10, and therefore the same reference numerals are used therefor, and duplicate descriptions may be omitted or simplified.

[0200] According to the embodiment of the present specification, the acoustic device 30 according to another embodiment of the present specification may include a coupling part 500 that is coupled to the vehicle interior material 130. The coupling part 500 may include a hollow part 501. The description of the coupling part 500 and the hollow part 501 is substantially the same as that described in FIG. 11, and therefore the same reference numerals are used therefor, and the repeated description thereof may be omitted or simplified.

[0201] The coupling portion 500 according to the embodiment of the present disclosure may further include a hollow member 502 and a latch member 503 .

[0202] The hollow member 502 may include a hollow portion 501. The hollow portion 501 may be coupled or connected to the hole (or first hole) 135 of the vehicle interior material 130. The hollow member 502 may be coupled or connected to the hole 135 of the vehicle interior material 130 and the opening 310o of the enclosure 310. The hollow member 502 may be coupled or connected to the hole 135 of the vehicle interior material 130 and the opening 310o of the first enclosure 311. For example, the hollow member 502 may be accommodated or inserted into the opening 310o of the first enclosure 311 through the hole 135 of the vehicle interior material 130. For example, the connecting portion 500 may be coupled or connected to the enclosure 310 or the first enclosure 311 through the hole 135 of the vehicle interior material 130.

[0203] The latch member 503 may be connected or coupled to the vehicle interior material 130 (or the object to be mounted) to which the enclosure 310 is mounted. The latch member 503 may be connected or coupled around the hole 135 of the vehicle interior material 130. The latch member 503 may be a clasp or the like. The latch member 503 may be connected or coupled to the back surface (or interior surface) 130s of the vehicle interior material 130 around the hole 135 (or through-hole) of the vehicle interior material 130. For example, the latch member 503 may be a clasp or the like, and examples of the present specification are not limited thereto.

[0204] 11 and 12 , the hook member 504 may be coupled to a first side of the hollow member 502. The hook member 504 may be coupled to an inner surface 311i of the enclosure 310 facing the vibration member 331 of the sound-generating module 330 or the acoustic device 30. The hook member 504 may be coupled to the inner surface 311i of the enclosure 310 in the interior space 313 of the enclosure 310. For example, the latch member 503 may be coupled to a second side of the hollow member 502. The latch member 503 may be coupled to a rear surface (or interior surface) 130s of the vehicle interior material 130 exposed to the interior space of the vehicle. For example, the latch member 503 may be coupled to one surface (or interior surface or rear surface) 130s of the vehicle interior material 130 exposed to the interior space of the vehicle.

[0205] 12, the coupling portion 500 may be coupled to or connected to the acoustic device 30 or the enclosure 310 through the hole 135 of the vehicle interior material 130 and the opening 310o of the enclosure 310. For example, the coupling portion 500 may be coupled to or connected to the acoustic device 30 or the enclosure 310 through the hole 135 of the vehicle interior material 130 and the opening 310o of the first enclosure 311 (in the direction of the arrow).

[0206] 13A , the coupling portion 500 may be coupled to or connected to the acoustic device 30 or the enclosure 310 through a hole 135 in the vehicle interior material 130 (in the direction of the arrow) in the interior space of the vehicle. For example, the coupling portion 500 may be received or inserted into the opening 310o of the first enclosure 311 through the hole 135 in the vehicle interior material 130 in the interior space of the vehicle. For example, the hook member 504 of the coupling portion 500 may be coupled to or connected to the opening 310o of the first enclosure 311. For example, the hook member 504 of the coupling portion 500 may be inserted (or received) into the opening 310o of the first enclosure 311 and coupled to or connected to the slot 311g of the first enclosure 311.

[0207] FIG. 13B shows a close-up of the portion where the acoustic device 30 or enclosure is coupled or connected to the vehicle interior material 130.

[0208] 13B , the hook member 504 of the coupling part 500 can be coupled to or connected to the opening 310o of the first enclosure 311. For example, when the hollow member 502 of the coupling part 500 is inserted (or received) into (the direction of the vertical arrow) the opening 310o of the first enclosure 311, the hook member 504 of the coupling part 500 is pushed (or compressed) (the direction of the horizontal arrow) toward the center (or inside) of the hollow member 501 (the direction of the dotted line) by an elastic force, and then elastically restored onto the home portion 311g of the first enclosure 311 by an elastic restoring force, thereby being coupled to or connected to the opening 310o of the first enclosure 311. For example, the inclined surface 504s of the hook member 504 can facilitate the insertion of the coupling part 500 and the compression of the hook member 504 when the coupling part 500 is inserted into the opening 310o of the first enclosure 311. For example, the hook member 504 may be connected or coupled to the home portion 311g of the first enclosure 311. For example, the hook member 504 may be coupled to the home portion 311g of the first enclosure 311 by a hook coupling manner.

[0209] According to embodiments of the present specification, the acoustic device 30 can be easily connected or coupled to the vehicle interior material 130 by the coupling portion 500. According to embodiments of the present specification, the acoustic device 30 can be easily connected or coupled to the vehicle interior material 130 by the latch member 503 and the hook member 504 of the coupling portion 500.

[0210] Fig. 14 is a diagram showing an acoustic device according to another embodiment of the present specification. Fig. 15A and Fig. 15B are diagrams showing a method of connecting the acoustic device shown in Fig. 14 and a connecting portion according to another embodiment of the present specification.

[0211] 14 to 15B, an acoustic device 30 according to another embodiment of the present specification may include an enclosure 310 and a sound generating module 330. The description of the enclosure 310 and the sound generating module 330 is substantially the same as that described in Figures 3 and 4, and therefore the same reference numerals are used therefor, and duplicate descriptions may be omitted or simplified.

[0212] An acoustic device 30 according to another embodiment of the present specification may include a coupling part 500 that is coupled to a vehicle interior material 130. The description of the coupling part 500 is substantially the same as that described in Figures 11 to 13B, and therefore the same reference numerals are used therefor, and redundant description thereof may be omitted or simplified.

[0213] FIG. 14 further includes the connecting member 350 of FIGS. 12-13B.

[0214] According to another embodiment of the present disclosure, the acoustic device 30 may further include a connecting member 350 .

[0215] The connecting member 350 can be between the vehicle interior material 130 and the enclosure 310. The connecting member 350 can be between the vehicle interior material 130 and the first enclosure 311. The connecting member 350 can include a second hole (or holes) 350o. For example, the second hole 350o can be between the first hole 135 of the vehicle interior material 130 and the enclosure 310. For example, the second hole 350o can be between the first hole 135 of the vehicle interior material 130 and the opening 310o of the first enclosure 311. The second hole 350o can be connected to the opening 310o of the enclosure 310. For example, the second hole 350o can be connected to the opening 310o of the first enclosure 311. The second hole 350o can be arranged to correspond to the opening 310o.

[0216] 14 , the coupling unit 500 may be connected to or coupled to the acoustic device 30 via the first hole 135 of the vehicle interior material 130, the second hole 350o of the coupling member, and the opening 310o of the enclosure 310 (in the direction of the arrow). The coupling unit 500 may be connected to or coupled to the enclosure 310 via the first hole 135 of the vehicle interior material 130, the second hole 350o of the coupling member, and the opening 310o of the enclosure 310. For example, the coupling unit 500 may be connected to or coupled to the opening 310o of the first enclosure 311 in the interior space of the vehicle via the first hole 135 of the vehicle interior material 130 and the second hole 350o of the coupling member.

[0217] 15A , the coupling portion 500 can be coupled or connected to the acoustic device 30 or the enclosure 310 through the first hole 135 of the vehicle interior material 130 (in the direction of the arrow) in the interior space of the vehicle. For example, the hollow member 502 can be received in the opening 310o through the first hole 135 and the coupling hole 350o of the vehicle interior material 130. For example, the coupling portion 500 can be received or inserted into the opening 310o of the first enclosure 311 through the first hole 135 of the vehicle interior material 130 and the second hole 350o of the coupling member 350 in the interior space of the vehicle. For example, the hook member 504 of the coupling portion 500 can be coupled or connected to the opening 310o of the first enclosure 311. For example, the hook member 504 of the coupling portion 500 may be inserted (or received) in the opening 310o of the first enclosure 311 and coupled or connected to the home portion 311g of the first enclosure 311.

[0218] FIG. 15B shows a close-up of the portion where the acoustic device 30 or enclosure is coupled or connected to the vehicle interior material 130.

[0219] 15B , the hook member 504 of the coupling part 500 may be coupled to or connected to the opening 310o of the first enclosure 311. For example, when the hollow member 502 of the coupling part 500 is inserted (or received) into (the direction of the vertical arrow) the opening 310o of the first enclosure 311, the hook member 504 of the coupling part 500 is pushed (or compressed) (the direction of the horizontal arrow) toward the center (or inside) of the hollow member 501 (the direction of the dotted line) by an elastic force, and then elastically restored onto the home portion 311g of the first enclosure 311 by an elastic restoring force, thereby being coupled to or connected to the opening 310o of the first enclosure 311. For example, the inclined surface 504s of the hook member 504 may facilitate the insertion (or reception) of the coupling part 500 and the compression of the hook member 504 when the coupling part 500 is inserted into the opening 310o of the first enclosure 311. For example, the hook member 504 may be connected or coupled to the home portion 311g of the first enclosure 311. For example, the hook member 504 may be coupled to the home portion 311g of the first enclosure 311 by a hook coupling manner.

[0220] According to embodiments of the present specification, the acoustic device 30 can be easily connected or coupled to the vehicle interior material 130 by the coupling portion 500. According to embodiments of the present specification, the acoustic device 30 can be easily connected or coupled to the vehicle interior material 130 by the latch member 503 and the hook member 504 of the coupling portion 500.

[0221] FIG. 16 is a diagram showing an acoustic device according to another embodiment of the present specification.

[0222] 16, an acoustic device 30 according to another embodiment of the present specification may include an enclosure 310 and a sound generating module 330. The enclosure 310 and the sound generating module 330 are substantially the same as those described with reference to FIGS. 3 to 10, and therefore the same reference numerals are used therefor, and duplicated descriptions may be omitted or simplified.

[0223] An acoustic device 30 according to another embodiment of the present specification may include a coupling part 500 that is coupled to a vehicle interior material 130. The description of the coupling part 500 is substantially the same as that described in Figures 11 to 13B, and therefore the same reference numerals are used therefor, and redundant description thereof may be omitted or simplified.

[0224] The acoustic device 30 according to the embodiments of the present specification may include a connecting member 350. The description of the connecting member 350 is substantially the same as that of Figures 8, 9, and 14 to 15B, and therefore the same reference numerals are used therefor, and the repeated description thereof may be omitted or simplified.

[0225] FIG. 16 shows another embodiment of the present specification further comprising a soft member 360 in FIGS. 14 to 15B.

[0226] According to another embodiment of the present disclosure, the acoustic device 30 may further include a flexible member 360 .

[0227] The flexible member 360 may be located between the vehicle interior material 130 and the connecting member 350. The flexible member 360 may include a third hole (or holes) 360o. The third hole 360o may be arranged to correspond to the second hole 350o. The third hole 360o may be arranged to correspond to the opening 310o. For example, the third hole 360o may be located between the first hole 135 of the vehicle interior material 130 and the second hole 350o of the connecting member 350. The third hole 360o may be connected to the second hole 350o of the connecting member 350. For example, the second hole 350o may be connected to the opening 310o of the first enclosure 311.

[0228] 16 , the coupling portion 500 can be coupled to or connected to the acoustic device 30 via the first hole 135 of the vehicle interior material 130, the second hole 350o of the connecting member, the third hole 360o of the soft member 360, and the opening 310o of the enclosure 310 (in the direction of the arrow). For example, the hollow member 502 can be accommodated in the opening 310o via the first hole 135 of the vehicle interior material 130, the connecting hole 350o, and the third hole 360o of the soft member 360. For example, the coupling portion 500 can be coupled to or connected to the enclosure 310 via the first hole 135 of the vehicle interior material 130, the third hole 360o of the soft member 360, and the opening 310o of the enclosure 310. For example, the coupling portion 500 may be connected or coupled to the acoustic device 30 via the first hole 135 of the vehicle interior material 130, the second hole 350o of the connecting member, the third hole 360o of the soft member 360, and the opening 310o of the first enclosure 311 (in the direction of the arrows).

[0229] The method of joining the vehicle interior material 130 and the acoustic device 30 is the same as that described with reference to FIGS. 15A and 15B, except that the soft member 360 is added, and therefore the description here can be omitted or simplified.

[0230] According to an embodiment of the present disclosure, the acoustic device 30 may be coupled or connected to the vehicle interior material 130 by a coupling portion 500 .

[0231] Fig. 17 is a diagram showing an acoustic device according to another embodiment of the present specification. Fig. 18 is a diagram showing an acoustic device according to another embodiment of the present specification.

[0232] 17 and 18, an acoustic device 30 according to another embodiment of the present specification may include an enclosure 310 and a sound generating module 330. The enclosure 310 and the sound generating module 330 are substantially the same as those described with reference to FIGS. 3 to 10, and therefore the same reference numerals are used therefor, and duplicated descriptions may be omitted or simplified.

[0233] An acoustic device 30 according to another embodiment of the present specification may include a coupling part 500 that is coupled to a vehicle interior material 130. The description of the coupling part 500 is substantially the same as that described in Figures 11 to 13B, and therefore the same reference numerals are used therefor, and redundant description thereof may be omitted or simplified.

[0234] 17 , the enclosure 310 may include an opening 310o. For example, the first enclosure 311 may include the opening 310o. The opening 310o of the enclosure 310 or the first enclosure 311 may include two (or a pair) of opening lines (line holes) that intersect with each other. The opening 310o of the enclosure 310 or the first enclosure 311 may include a cross (+) shape. The vehicle interior material 130 may include a hole 135. The hole 135 may be arranged to correspond to the opening 310o. For example, the hole 135 may be arranged to correspond to the shape of the opening 310o. For example, the shape of the hole 135 may be the same as the shape of the opening 310o, and the embodiments of the present specification are not limited thereto. For example, the shape of the hole 135 may be a cross (+) shape.

[0235] The coupling portion 500 may include a hollow portion 501. The hollow portion 501 may be arranged to correspond to the opening 310o. For example, the hollow portion 501 may be arranged to correspond to the shape of the opening 310o. For example, the shape of the hollow portion 501 may be the same as the shape of the opening 310o, and the embodiments herein are not limited thereto. For example, the shape of the hollow portion 501 may be a cross (+) shape. The hook member 504 may vary depending on the shape of the hollow portion 501. For example, the hook member 504 may include multiple hook members or clasps depending on the cross (+) shape of the hollow portion 501.

[0236] 18 , the opening 310o of the enclosure 310 or the first enclosure 311 may include three intersecting opening lines (line holes). The opening 310o of the enclosure 310 or the first enclosure 311 may include an asterisk (*) shape. The vehicle interior material 130 may include holes 135. The holes 135 may be arranged to correspond to the opening 310o. For example, the holes 135 may be arranged to correspond to the shape of the opening 310o. For example, the shape of the holes 135 may be the same as the shape of the opening 310o, and the embodiments of the present specification are not limited thereto. For example, the shape of the holes 135 may be a star (*) shape.

[0237] The hollow portion 501 may be arranged to correspond to the opening 310o. For example, the hollow portion 501 may be arranged to correspond to the shape of the opening 310o. For example, the shape of the hollow portion 501 may be the same as the shape of the opening 310o, and the embodiments herein are not limited thereto. For example, the shape of the hollow portion 501 may be a star (*) shape. The hook member 504 may vary depending on the shape of the hollow portion 501. For example, the hook member 504 may include multiple hook members or clasps depending on the star (*) shape of the hollow portion 501.

[0238] According to the embodiment of the present specification, the opening 310o is configured in a cross (+) or star (*) shape, which may increase the amount of sound emitted from the audio device 30 and improve the aesthetic appearance. In addition, the hook member 504 covers the hole 135 of the vehicle interior material 130, which may minimize the inflow of dust and foreign matter from the outside, thereby protecting the sound generating module 330 or the audio device 30.

[0239] 17 and 18, an acoustic device 30 according to another embodiment of the present specification may further include a connecting member 350 described with reference to FIGS. 14 to 15B. For example, the shape of the hole 350o of the connecting member 350 may be arranged to correspond to the shape of the opening 310o of the enclosure 310. For example, the shape of the hole 350o of the connecting member 350 may be a cross (+) shape or a star (*) shape.

[0240] 17 and 18, an acoustic device 30 according to another embodiment of the present specification may further include the connecting member 350 described in FIGS. 14 to 15B or the soft member 360 described in FIG. 16. For example, the shape of the hole 350o of the connecting member 350 may be arranged to correspond to the shape of the opening 310o of the enclosure 310. For example, the shape of the hole 350o of the connecting member 350 may be a cross (+) shape or a star (*) shape. For example, the shape of the hole 360o of the soft member 360 may be arranged to correspond to the shape of the opening 310o of the enclosure 310. For example, the shape of the hole 360o of the soft member 360 may be a cross (+) shape or a star (*) shape.

[0241] 17 and 18, an acoustic device 30 according to another embodiment of the present specification may further include at least one of the connecting member 350 described in FIGS. 14 to 15B and the soft member 360 described in FIG. 16. For example, at least one of the holes 350o of the connecting member 350 and the holes 360o of the soft member 360 may be cross (+) shaped or star (*) shaped. For example, at least one of the holes 350o of the connecting member 350 and the holes 360o of the soft member 360 may be arranged to correspond to the shape of the opening 310o of the enclosure 310. For example, at least one of the holes 350o of the connecting member 350 and the holes 360o of the soft member 360 may be cross (+) shaped or star (*) shaped.

[0242] Fig. 19 is a diagram showing an acoustic device according to another embodiment of the present specification. Fig. 20 is a diagram showing a method of connecting the acoustic device shown in Fig. 19 and a connecting portion according to another embodiment of the present specification.

[0243] 19 and 20, an acoustic device 30 according to another embodiment of the present specification may include an enclosure 310 and a sound generating module 330. The enclosure 310 and the sound generating module 330 are substantially the same as those described in FIGS. 3 and 4, and therefore the same reference numerals are used therefor, and duplicate descriptions may be omitted or simplified.

[0244] According to an embodiment of the present specification, the enclosure 310 may include a protrusion 315. The first enclosure 311 may include the protrusion 315. The protrusion 315 may protrude from the first enclosure 311. The protrusion 315 may protrude from a rear surface (or external surface) 311r of the first enclosure 311. The protrusion 315 may protrude from the enclosure 310 or the first enclosure 311 to surround the opening 310o. For example, the protrusion 315 may protrude from the rear surface (or external surface) 311r of the enclosure 310 or the first enclosure 311 to surround the opening 310o. Thus, the protrusion 315 may include a hollow hole (or hole or open hole) 315o connected to (or overlapping with) the opening 310o. The hollow portion 501 may be received in the hollow hole 315o of the protrusion 315 and may be connected to the interior space 313 via the hollow hole 315o and the opening 310o. The protrusion 315 may be configured to be received in the hole 135 in the vehicle interior material 130. For example, the protrusion 315 may be received in or inserted into the hole 135, the hollow hole 315o, and the opening 310o. For example, the hook member 504 may be received in or inserted into the opening 310o of the enclosure 310 or the first enclosure 311 via the vehicle interior material 130 (or the attachment object) and the protrusion 315. The hook member 504 may be connected or coupled to the inner surface 311i of the enclosure 310 or the first enclosure 311. For example, the hook member 504 may be coupled or connected to the home portion 311g of the enclosure 310 in the interior space 313 of the enclosure 310. For example, the hook member 504 may be coupled (or connected) to the home portion 311g of the enclosure 310 in the interior space 313 of the enclosure 310 by a hook coupling manner.

[0245] According to an embodiment of the present specification, the first enclosure 311 may include an inner surface and an outer surface 311r. The inner surface of the first enclosure 311 may face the vibration member 331. The outer surface 311r of the first enclosure 311 may be the surface opposite to the inner surface of the first enclosure 311. For example, the protrusion 315 may protrude from the outer surface 311r of the first enclosure 311. The protrusion 315 may protrude from the outer surface 311r of the first enclosure 311 to have a hollow hole (or hole or open hole) 315o connected to (or overlapping with) the opening 310o.

[0246] An acoustic device 30 according to another embodiment of the present specification may include a coupling part 500 that is coupled to a vehicle interior material 130. The description of the coupling part 500 is substantially the same as that described in Figures 11 to 13B, and therefore the same reference numerals are used therefor, and redundant description thereof may be omitted or simplified.

[0247] 11 and 19 , the coupling portion 500 may include a hollow portion 501. The hollow portion 501 may be connected to or coupled to the protrusion 315. The protrusion 315 may surround the opening 310o of the enclosure 310. The protrusion 315 may surround the opening 310o of the first enclosure 311. The protrusion 315 may include a hollow hole 315o that corresponds to (couples with) the opening 310o of the first enclosure 311. For example, the hollow portion 501 may be coupled to the interior space 313 of the enclosure 310 via the protrusion 315 and the opening 310o. For example, the hollow portion 501 may be coupled to the interior space 313 of the enclosure 310 via the hollow hole 315o of the protrusion 315 and the opening 310o. For example, the coupling portion 500 may be configured to be received in and coupled to the protrusion 315 and coupled to one surface of the vehicle interior material 130 exposed to the interior space. For example, the coupling portion 500 may be coupled to the protrusion 315 and coupled to the interior space 313 of the enclosure 310 through the opening 310o. For example, the coupling portion 500 may be coupled or coupled to the enclosure 310 in the interior space 313 of the enclosure 310 through the protrusion 315 and the opening 310o.

[0248] According to embodiments herein, coupling 500 can include a hollow member 502 and a latch member 503 .

[0249] The hollow member 502 may include a hollow portion 501. The hollow member 502 may be inserted (or housed) in the protrusion 315. The hollow member 502 may be inserted (or housed) in the hollow hole 315o of the protrusion 315. The hollow member 502 may be inserted (or housed) in the protrusion 315 and connected or coupled to the opening 310o of the enclosure 310 or the first enclosure 311.

[0250] The latch member 503 may be coupled to the hollow member 502. The latch member 503 may be configured to be coupled to the vehicle interior material 130 (or an object to which it is attached). For example, the latch member 503 may be configured to be coupled to the vehicle interior material 130 (or an object to which it is attached) to which the enclosure 310 is attached. For example, the latch member 503 may be configured to be coupled to the vehicle interior material 130 (or an object to which it is attached) to which the first enclosure 311 is attached.

[0251] According to an embodiment of the present specification, the vehicle interior material 130 (or the object to be attached) may include a first surface and a second surface different from (or opposite to) the first surface. The first surface may be the surface facing the enclosure 310. The hole 135 may be formed in the first surface and the second surface. For example, the hole 135 may be configured to penetrate through the first surface and the second surface. For example, the latch member 503 may be configured to penetrate (or pass through) the hole 135 and be coupled to the second surface (or interior surface or back surface) 130s of the vehicle interior material 130 (or the object to be attached).

[0252] According to embodiments herein, coupling portion 500 can include a hook member 504 .

[0253] The hook member 504 may be received or inserted into the opening 310o of the first enclosure 311 via the vehicle interior material 130 (or the attachment object) and the protrusion 315. The hook member 504 may be coupled or connected to the inner surface 311i of the first enclosure 311. The hook member 504 may be coupled or connected to the inner surface 311i of the enclosure 310 in the internal space 313 of the enclosure 310. For example, the hook member 504 may be coupled or connected to the inner surface 311i of the first enclosure 311 that faces the vibration member 331 of the sound generating module 330. For example, the hook member 504 may be coupled or connected to the home portion 311g of the first enclosure 311. For example, the hook member 504 may be coupled or connected to the home portion 311g of the first enclosure 311 by a hook coupling method.

[0254] 11 and 19, the hook member 504 may be coupled to a first side of the hollow member 502. The hook member 504 may be coupled to the inner surface 311i or the home portion 311g of the enclosure 310 facing the vibrating member 331 in the sound-generating module 330. The hook member 504 may be coupled to the inner surface 311i or the home portion 311g of the enclosure 310 in the interior space 313 of the enclosure 310. For example, the latch member 503 may be coupled to a second side of the hollow member 502. The latch member 503 may be coupled to one surface (or interior surface or back surface) 130s of the vehicle interior material 130 exposed to the interior space.

[0255] 19, the coupling portion 500 may be connected or coupled to the protrusion 315 of the enclosure 310 through the first hole 135 of the vehicle interior material 130 (in the direction of the arrow). For example, the coupling portion 500 may be connected or coupled to the protrusion 315 of the first enclosure 311 through the first hole 135.

[0256] FIG. 20 shows a close-up of the portion of the acoustic device 30 or enclosure that is coupled or connected to the vehicle interior material 130.

[0257] 20 , the hook member 504 of the coupling part 500 may be coupled or connected to the protrusion 315 of the first enclosure 311. For example, when the hollow member 502 of the coupling part 500 is inserted (or received) into the opening 310o of the first enclosure 311 (in the direction of the vertical arrow), the hook member 504 of the coupling part 500 is pushed (or compressed) (in the direction of the horizontal arrow) toward the center (or inside) of the hollow member 501 (in the direction of the dotted line) by an elastic force, and then elastically restored onto the home portion 311g of the first enclosure 311 by an elastic restoring force, thereby being coupled or connected to the opening 310o of the first enclosure 311. For example, the inclined surface 504s of the hook member 504 can facilitate the insertion of the coupling part 500 and the compression of the hook member 504 when the coupling part 500 is inserted into the opening 310o of the first enclosure 311. For example, the hook member 504 may be connected or coupled to the home portion 311g of the first enclosure 311. For example, the hook member 504 may be coupled to the home portion 311g of the first enclosure 311 by a hook coupling manner.

[0258] According to the embodiment of the present specification, the acoustic device 30 may be connected or coupled to the vehicle interior material 130 by the coupling portion 500. According to the embodiment of the present specification, because the enclosure 310 includes the protrusion 315, the coupling portion 500 may be easily connected or coupled to the protrusion 315, which may simplify the connecting or coupling process between the vehicle interior material 130 and the acoustic device 30.

[0259] FIG. 21 is a diagram showing an acoustic device according to another embodiment of the present specification.

[0260] 21, an acoustic device 30 according to another embodiment of the present specification may include an enclosure 310 and a sound generating module 330. The enclosure 310 and the sound generating module 330 are substantially the same as those described in FIGS. 3 to 10, and therefore the same reference numerals are used therefor, and duplicated descriptions may be omitted or simplified.

[0261] An acoustic device 30 according to another embodiment of the present specification may include a coupling part 500 that is coupled to a vehicle interior material 130. The description of the coupling part 500 is substantially the same as that described in Figures 19 and 20, and therefore the same reference numerals are used therefor, and redundant description thereof may be omitted or simplified.

[0262] In an acoustic device 30 according to another embodiment of the present specification, the enclosure 310 may include a protrusion 315. The description of the protrusion 315 is substantially the same as that described in Figures 19 and 20, so the same reference numerals are used therefor, and redundant description thereof may be omitted or simplified.

[0263] FIG. 21 shows another embodiment of the present specification in which a connecting member 350 is further configured in addition to the acoustic device 30 described in FIG. 19 and FIG.

[0264] According to another embodiment of the present disclosure, the acoustic device 30 may further include a connecting member 350 .

[0265] The connecting member 350 can be between the vehicle interior material 130 and the enclosure 310. The connecting member 350 can be between the vehicle interior material 130 and the first enclosure 311. The connecting member 350 can include a second hole (or holes) 350o. For example, the second hole 350o can be between the first hole 135 of the vehicle interior material 130 and the protrusion 315 of the enclosure 310. For example, the second hole 350o can be between the first hole 135 of the vehicle interior material 130 and the protrusion 315 of the first enclosure 311. The second hole 350o can be connected to the protrusion 315 of the enclosure 310. For example, the second hole 350o can be connected to the protrusion 315 of the first enclosure 311. The second hole 350o can be arranged to correspond to the protrusion 315.

[0266] 21 , the coupling portion 500 may be coupled to or connected to the acoustic device 30 via the first hole 135 of the vehicle interior material 130, the second hole 350o of the connecting member, and the protrusion 315 of the enclosure 310 (in the direction of the arrows). For example, the coupling portion 500 may be coupled to or connected to the enclosure 310 of the acoustic device 30 via the first hole 135 of the vehicle interior material 130, the second hole 350o of the connecting member 350, and the hollow hole 315o of the protrusion 315 (in the direction of the arrows).

[0267] According to the embodiment of the present specification, the acoustic device 30 may be connected or coupled to the vehicle interior material 130 by the coupling portion 500. According to the embodiment of the present specification, because the enclosure 310 includes the protrusion 315, the coupling portion 500 may be easily connected or coupled to the protrusion 315, which may simplify the connecting or coupling process between the vehicle interior material 130 and the acoustic device 30.

[0268] 21, an acoustic device 30 according to another embodiment of the present specification may further include the flexible member 360 described in FIG. 16. The flexible member 360 may be located between the vehicle interior material 130 and the connecting member 350. For example, the flexible member 360 may include a third hole (or holes) 360o. For example, the third hole 360o may be located between the first hole 135 of the vehicle interior material 130 and the second hole 350o of the connecting member 350. The third hole 360o may be connected to the protrusion 315 of the enclosure 310 via the second hole 350o of the connecting member 350. For example, the third hole 360o may be connected to the protrusion 315 of the first enclosure 311 via the second hole 350o of the connecting member 350. For example, the third hole 360o may be arranged to correspond to the protrusion 315 of the first enclosure 311. For example, the coupling portion 500 may be coupled to or connected to the acoustic device 30 via the first hole 135 of the vehicle interior material 130, the second hole 350o of the connecting member 350, the third hole 360o of the soft member 360, and the hollow hole 315o of the protrusion 315 of the enclosure 310. For example, the coupling portion 500 may be coupled to or connected to the enclosure 310 of the acoustic device 30 via the first hole 135 of the vehicle interior material 130, the second hole 350o of the connecting member 350, the third hole 360o of the soft member 360, and the hollow hole 315o of the protrusion 315.

[0269] 21, an acoustic device 30 according to another embodiment of the present specification may further include at least one of the connecting member 350 described in FIGS. 14 to 15B and the soft member 360 described in FIG. 16. For example, at least one of the second hole 350o of the connecting member 350 and the third hole 360o of the soft member 360 may be arranged to correspond to the protrusion 315 of the enclosure 310. For example, at least one of the second hole 350o of the connecting member 350 and the third hole 360o of the soft member 360 may be arranged to correspond to the hollow hole 315o of the protrusion 315.

[0270] Fig. 22 is a diagram showing an acoustic device according to another embodiment of the present specification. Fig. 23A and Fig. 23B are diagrams showing a method of connecting the acoustic device shown in Fig. 22 and a connecting portion according to another embodiment of the present specification. Fig. 23B is an enlarged view showing a portion where the acoustic device 30 or enclosure is connected or coupled to the vehicle interior material 130.

[0271] 22 to 23B, an acoustic device 30 according to another embodiment of the present specification may include an enclosure 310 and a sound generating module 330. The description of the enclosure 310 and the sound generating module 330 is substantially the same as that described in FIGS. 3 to 10, and therefore the same reference numerals are used therefor, and duplicated descriptions may be omitted or simplified.

[0272] According to embodiments herein, the enclosure 310 may include a protrusion 315. The first enclosure 311 may include a protrusion 315. The protrusion 315 may protrude from a rear surface (or outer surface) 311r of the first enclosure 311.

[0273] The first enclosure 311 may include an inner surface and an outer surface 311r. The inner surface of the first enclosure 311 may face the vibration member 331. The outer surface 311r of the first enclosure 311 may be the surface opposite the inner surface of the first enclosure 311. For example, the protrusion 315 may protrude from the rear surface (or outer surface) 311r of the first enclosure 311.

[0274] An acoustic device 30 according to another embodiment of the present specification may include a coupling part 500 that is coupled to a vehicle interior material 130. The description of the coupling part 500 is substantially the same as that described in Figures 11 to 13B, and therefore the same reference numerals are used therefor, and redundant description thereof may be omitted or simplified.

[0275] 11 and 22 , the coupling portion 500 may include a hollow portion 501. The hollow portion 501 may be connected or coupled to the protrusion 315. The protrusion 315 may surround the opening 310o of the enclosure 310. For example, the protrusion 315 may surround the opening 310o of the first enclosure 311. The protrusion 315 may include an opening hole (or hollow hole) 315o that corresponds to (couples with) the opening 310o of the first enclosure 311. For example, the hollow portion 501 may be coupled to the interior space 313 of the enclosure 310 through the opening hole 315o and the opening 310o of the protrusion 315. For example, the hollow portion 501 may be coupled to the interior space 313 of the first enclosure 311 through the opening hole 315o and the opening 310o of the protrusion 315. For example, the hollow portion 501 may be connected to the interior space 313 of the enclosure 310 via the opening 310o of the enclosure 310. For example, the coupling portion 500 may be configured to be coupled to the enclosure 310 via the first hole 135 (or opening hole) of the vehicle interior material 130, the opening hole 315o of the protrusion 315, and the opening 310o of the enclosure 310. The first hole 135 (or opening hole) of the vehicle interior material 130 may be connected to the opening 310o.

[0276] According to embodiments herein, coupling 500 can include a hollow member 502 and a latch member 503 .

[0277] The hollow member 502 may include a hollow portion 501. The hollow member 502 may be inserted (or housed) in the protrusion 315. The hollow member 502 may be inserted (or housed) in the open hole 315o of the protrusion 315. The hollow member 502 may be inserted (or housed) in the open hole 315o of the protrusion 315 and connected or coupled to the opening 310o of the enclosure 310 or the first enclosure 311.

[0278] The latch member 503 may be coupled to the hollow member 502. The latch member 503 may be configured to be coupled to the vehicle interior material 130 (or an object to which it is attached). For example, the latch member 503 may be configured to be coupled to the vehicle interior material 130 (or an object to which it is attached) to which the enclosure 310 is attached. For example, the latch member 503 may be configured to be coupled to the vehicle interior material 130 (or an object to which it is attached) to which the first enclosure 311 is attached.

[0279] The vehicle interior material 130 (or the object to be attached) may include a first surface and a second surface different from (or opposite to) the first surface. The first surface of the vehicle interior material 130 may be the surface facing the enclosure 310. The hole 135 may be formed in the first surface and the second surface. For example, the hole 135 may be configured to penetrate through the first surface and the second surface. For example, the latch member 503 may be configured to be coupled to the second surface (or interior surface or back surface) 130s of the vehicle interior material 130 (or the object to be attached) through the hole 135 (or through-hole).

[0280] The latch member 503 may be made of a flexible material, and the embodiments of the present specification are not limited thereto. For example, the latch member 503 may be made of rubber, and the embodiments of the present specification are not limited thereto.

[0281] 22, the coupling portion 500 may be connected or coupled to the protrusion 315. As a result, the coupling portion 500 and the protrusion 315 may be integrally formed. For example, the coupling portion 500 and the protrusion 315 may be formed by double injection molding using different materials, although the embodiments of the present specification are not limited thereto. According to the embodiments of the present specification, the coupling portion 500 and the protrusion 315 may be formed as a single part, thereby achieving the effect of a single material.

[0282] The connecting portion 500 and the protruding portion 315 may be connected or coupled to the first hole 134 (in the direction of the arrow) of the vehicle interior material 130 through the hollow portion 501 .

[0283] Referring to FIG. 23A, the coupling portion 500 and the protrusion 315 may be connected or coupled to the first hole 135 (in the direction of the arrow) of the vehicle interior material 130 via the hollow portion 501.

[0284] 23B, the coupling portion 500 and the protrusion 315 may be connected to or coupled with the first hole 135 of the vehicle interior material 130. Because the latch member 503 is made of a flexible material, the sound generating module 330 or the sound device 30 may be connected to or coupled with the first hole 135 of the vehicle interior material 130 by moving the latch member 503 (in the direction of the arrow).

[0285] According to an embodiment of the present disclosure, the acoustic device 30 may be connected or coupled to the vehicle interior material 130 by the coupling portion 500. According to an embodiment of the present disclosure, the protrusion 315 of the enclosure 310 and the coupling portion 500 are configured as an integrated unit, which may simplify the coupling or coupling process between the vehicle interior material 130 and the acoustic device 30. According to an embodiment of the present disclosure, the protrusion 315 and the coupling portion 500 may be configured as a single component, which has the effect of being made of a single material.

[0286] Fig. 24 is a diagram showing an acoustic device according to another embodiment of the present specification. Fig. 24 shows another embodiment of the present specification in which a connecting member 350 is further configured in addition to the acoustic device described in Figs. 22 to 23B.

[0287] 24, an acoustic device 30 according to another embodiment of the present specification may include an enclosure 310 and a sound generating module 330. The enclosure 310 and the sound generating module 330 are substantially the same as those described with reference to FIGS. 3 to 10, and therefore the same reference numerals are used therefor, and duplicated descriptions may be omitted or simplified.

[0288] An acoustic device 30 according to another embodiment of the present specification may include a coupling part 500 that is coupled to a vehicle interior material 130. The description of the coupling part 500 is substantially the same as that described in Figures 11 to 13B, and therefore the same reference numerals are used therefor, and redundant description thereof may be omitted or simplified.

[0289] According to another embodiment of the present disclosure, the acoustic device 30 may further include a connecting member 350 .

[0290] The connecting member 350 can be between the vehicle interior material 130 and the enclosure 310. The connecting member 350 can be between the vehicle interior material 130 and the first enclosure 311. The connecting member 350 can include a second hole (or holes) 350o. For example, the second hole 350o can be between the first hole 135 of the vehicle interior material 130 and the protrusion 315 of the enclosure 310. For example, the second hole 350o can be between the first hole 135 of the vehicle interior material 130 and the protrusion 315 of the first enclosure 311. For example, the second hole 350o can be between the first hole 135 of the vehicle interior material 130 and the coupling portion 500. For example, the second hole 350o can be coupled to the coupling portion 500. For example, the second hole 350o can be coupled to the protrusion 315 of the first enclosure 311 and the coupling portion 500.

[0291] The connecting portion 500 and the protrusion 315 may be connected or coupled to the first hole 135 of the vehicle interior material 130 through the second hole 350o and the hollow portion 501 of the connecting member 350 (in the direction of the arrow).

[0292] According to an embodiment of the present disclosure, the acoustic device 30 may be connected or coupled to the vehicle interior material 130 by the coupling portion 500. According to an embodiment of the present disclosure, the protrusion 315 of the enclosure 310 and the coupling portion 500 are configured as an integrated unit, which may simplify the coupling or coupling process between the vehicle interior material 130 and the acoustic device 30. According to an embodiment of the present disclosure, the protrusion 315 and the coupling portion 500 may be configured as a single component, which has the effect of being made of a single material.

[0293] 24, an acoustic device 30 according to another embodiment of the present specification may further include the flexible member 360 described in FIG. 16. The flexible member 360 may be located between the vehicle interior material 130 and the connecting member 350. The flexible member 360 may include a third hole (or holes) 360o. For example, the third hole 360o may be located between the first hole 135 of the vehicle interior material 130 and the second hole 350o of the connecting member 350. The third hole 360o may be arranged to correspond to the opening hole of the protrusion 315 of the enclosure 310. For example, the third hole 360o may be arranged to correspond to the opening hole of the protrusion 315 of the first enclosure 311. The third hole 360o may be connected to the opening hole of the protrusion 315 of the enclosure 310 via the second hole 350o of the connecting member 350. For example, the third hole 360o may be connected to the opening hole of the protrusion 315 of the first enclosure 311 via the second hole 350o of the connecting member 350. For example, the third hole 360o may be connected to the opening hole of the protrusion 315 of the first enclosure 311 and the coupling portion 500 via the second hole 350o of the connecting member 350. For example, the coupling portion 500 and the protrusion 315 may be connected or coupled to the first hole 135 of the vehicle interior material 130 via the second hole 350o of the connecting member 350, the third hole 360o of the soft member 360, and the hollow portion 501.

[0294] 24 , an acoustic device 30 according to another embodiment of the present specification may further include at least one of the connecting member 350 described in FIGS. 14 to 15B and the soft member 360 described in FIG. 16 . For example, at least one of the second hole 350o of the connecting member 350 and the third hole 360o of the soft member 360 may be arranged to correspond to the opening hole of the protrusion 315 of the enclosure 310. For example, at least one of the second hole 350o of the connecting member 350 and the third hole 360o of the soft member 360 may be arranged to correspond to the opening hole of the protrusion 315 of the first enclosure 311. For example, at least one of the second hole 350o of the connecting member 350 and the third hole 360o of the soft member 360 may be connected to the opening hole of the protrusion 315 of the first enclosure 311. For example, at least one of the second hole 350o of the connecting member 350 and the third hole 360o of the soft member 360 may be coupled to the open hole of the protrusion 315 of the first enclosure 311 and the hollow portion 501 of the coupling portion 500. For example, the coupling portion 500 and the protrusion 315 may be coupled or connected to the first hole 135 of the vehicle interior material 130 via at least one of the second hole 350o of the connecting member 350 and the third hole 360o of the soft member 360, and the hollow portion 501.

[0295] Figure 25A is a diagram showing an acoustic device according to another embodiment of the present specification, and Figure 25B is an exploded perspective view of the acoustic device shown in Figure 25A according to another embodiment of the present specification.

[0296] 25A, an acoustic device 30 according to another embodiment of the present specification may include an enclosure 310 and a sound generating module 330. The description of the enclosure 310 and the sound generating module 330 is substantially the same as that described in Figures 3 to 10, and therefore the same reference numerals are used therefor, and duplicated descriptions may be omitted or simplified.

[0297] An acoustic device 30 according to another embodiment of the present specification may include a coupling part 500 that is coupled to a vehicle interior material 130. The description of the coupling part 500 is substantially the same as that described in Figures 11 to 13B, and therefore the same reference numerals are used therefor, and redundant description thereof may be omitted or simplified.

[0298] An acoustic device 30 according to another embodiment of the present specification may include a coupling member 320. The coupling member 320 may include a first coupling member 321 and a second coupling member 322. The description of the coupling member 320 is substantially the same as that described with reference to Figures 3 and 4, and therefore the same reference numerals are used therefor, and redundant description thereof may be omitted or simplified.

[0299] The acoustic device 30 according to another embodiment of the present specification may further include a connecting member 380 .

[0300] The connecting member 380 according to other embodiments of the present specification may be located or configured between the vehicle interior material 130 and the sound-generating module 330. The connecting member 380 may be configured on the enclosure 310. For example, the connecting member 380 may be configured between the first enclosure 311 of the enclosure 310 and the vehicle interior material 130. For example, the first enclosure 311 may include an inner surface 311i and an outer surface. The inner surface 311i of the first enclosure 311 may face the vibration member 331. The outer surface of the first enclosure 311 may be the surface opposite the inner surface 311i. For example, the connecting member 380 may be connected to the outer surface of the enclosure 310 or the first enclosure 311. The connecting member 380 may be a coupling member, an intermediate member, or a buffer member, and the embodiments of the present specification are not limited thereto.

[0301] The connecting member 380 may be made of a different material than the first connecting member 321. For example, the connecting member 380 may be made of a material having an adhesive strength different from that of the first connecting member 321. Because the connecting member 380 is made of a material having an adhesive strength different from that of the first connecting member 321, the connecting member 380 may be easily separated or detached (or reworked) from the vehicle interior material 130 during the process of separating or detaching (or reworking) the audio device 30 attached to the vehicle interior material 130. This may facilitate the process of attaching or mounting the audio device 30 to the vehicle interior material 130, or the process of separating or detaching the audio device 30 from the vehicle interior material 130.

[0302] The connecting member 380 may be coupled (or attached) to the rear surface of the enclosure 310 and may be in contact (or surface contact) with the first surface 130s1 of the vehicle interior material 130, but examples of the present specification are not limited thereto. For example, if the connecting member 380 is coupled (or attached) to the rear surface of the enclosure 310 and simply in contact (or surface contact) with the first surface 130s1 of the vehicle interior material 130, in the process of separating or detaching (or reworking) the acoustic device 30 from the vehicle interior material 130, the process of separating and detaching (or reworking) the connecting member 380 from the vehicle interior material 130 may be easy without damaging the acoustic device 30 or the vehicle interior material 130.

[0303] According to an embodiment of the present specification, the connecting member 380 may be formed of a single-sided tape, a single-sided adhesive tape, a single-sided foam tape, a single-sided adhesive foam tape, a single-sided pad, a single-sided foam pad, a single-sided adhesive foam pad, a single-sided pad member, a single-sided cushion member, a single-sided cushion pad, or a single-sided cushion tape, but the embodiment of the present specification is not limited thereto. For example, the connecting member 380 may be rubber, but the embodiment of the present specification is not limited thereto. For example, the rubber may be ethylene propylene diene rubber (or ethylene propylene diene M-class rubber), ethylene propylene rubber, or urethane rubber, but the embodiment of the present specification is not limited thereto. For example, the ethylene propylene diene rubber may be ethylene propylene diene monomer (EPDM), but the embodiment of the present specification is not limited thereto. For example, the hardness of EPDM may be 40 to 90, but the embodiment of the present specification is not limited thereto. For example, the tensile strength of EPDM may be 50 kg / cm. 2 ~200kg / cm 2 For example, the connecting member 380 may be made of highly elastic rubber, and the embodiments of the present specification are not limited thereto.

[0304] According to the embodiments of the present specification, since the connecting member 380 is made of rubber or the like, when vibrations of the enclosure 310 or the first enclosure 311 are transmitted to the vehicle interior material 130, the loss of vibrations can be prevented or minimized, thereby further improving the acoustic characteristics and / or sound pressure characteristics in the low-frequency range.

[0305] According to one embodiment of the present specification, the first connecting member 321 and the second connecting member 322 of the connecting member 320 may be composed of adhesive, double-sided tape, double-sided adhesive tape, double-sided foam tape, double-sided adhesive foam tape, double-sided pad, double-sided foam pad, double-sided adhesive foam pad, double-sided pad member, double-sided cushion member, double-sided cushion pad, or double-sided cushion tape, etc., and the embodiment of the present specification is not limited thereto.

[0306] According to one embodiment of the present specification, the connecting member 380 may be made of a different material than at least one of the first adhesive member 332 and the second adhesive member 334. For example, at least one of the first adhesive member 332 and the second adhesive member 334 may include an adhesive, a double-sided adhesive, a double-sided tape, a double-sided adhesive tape, a double-sided adhesive foam tape, a double-sided pad, a double-sided foam pad, a double-sided adhesive foam pad, a double-sided cushion tape, or an adhesive sheet, and the embodiment of the present specification is not limited thereto.

[0307] According to one embodiment of the present specification, the connecting member 380 may further include a hole 380o (or a first hole or an opening hole). For example, the connecting member 380 may further include a hole 380o connected to the opening 310o in the enclosure 310 or the first enclosure 311.

[0308] The holes 380o may be arranged to correspond to (or overlap) the openings 310o. The holes 380o may have the same shape as the openings 310o, although the embodiments of the present specification are not limited thereto. For example, the holes 380o may have the same shape as the openings 310o but may be larger than the openings 310o. As a result, sound generated by vibration of the sound generating module 330 may be output to the interior space (IS) of the vehicle through the openings 310o and the holes 380o. For example, the holes 380o may be openings, opening holes, slits, slots, connecting holes, or intermediate holes, although the embodiments of the present specification are not limited thereto.

[0309] According to one embodiment of the present specification, the hole 380o may correspond to (or overlap with) the hole 135 of the vehicle interior material 130. The hole 380o may be located between the hole 135 of the vehicle interior material 130 and the opening 310o of the enclosure 310. The hole 380o may be located between the hole 135 of the vehicle interior material 130 and the opening 310o of the first enclosure 311. The hole 380o may be connected to the opening 310o of the enclosure 310. For example, the hole 380o may be connected to the opening 310o of the first enclosure 311. The hole 380o may be positioned to correspond to the opening 310o. The hole 380o of the connecting member 380 may have the same size as the opening 310o and the hole 135, respectively, or may have a size larger than the opening 310o and the hole 135, respectively. As a result, sound generated by vibration of the sound generating module 330 can be output to the interior space (IS) of the vehicle through the opening 310o, the hole 380o, and the hole 135.

[0310] 25A and 25B, the thickness (T1) of the connecting member 380 may be different from the thickness of at least one of the first connecting member 321 and the second connecting member 322. For example, the thickness (T1) of the connecting member 380 may be thicker than the thickness of at least one of the first connecting member 321 and the second connecting member 322. The thickness (T1) of the connecting member 380 may be 0.5 mm or more, although the embodiments of the present specification are not limited thereto. For example, the thickness (T1) of the connecting member 380 may be 0.5 mm to 3 mm, although the embodiments of the present specification are not limited thereto.

[0311] According to other embodiments of the present specification, the connecting member 380 has a compressive force (or contractive force) and an elastic restoring force, and can be contracted or compressed by the connection between the coupling portion 500 and the first enclosure 311. The length (or thickness) of the connecting member 380 may be the same as or shorter than the length (or thickness) of the vehicle interior material 130. For example, the length (or thickness) of the connecting member 380 may be the same as or shorter than the length (or thickness) of the first enclosure 311.

[0312] As shown in FIG. 25B , the connecting member 380 may have an initial thickness (T1′) before compression (or contraction), and may be compressed (or contracted) to the deformed thickness (or compressed thickness) (T1) shown in FIG. 25A by the pressure applied from the enclosure 310 by connecting (or coupling) the coupling portion 500 to the enclosure 310. For example, when the acoustic device 30 is connected to the vehicle interior material 130 by the coupling portion 500, or when assembly and / or reprocessing is completed, the thickness of the connecting member 380 may be compressed from the initial thickness (T1′) to the compressed thickness (T1), so that vibrations of the enclosure 310 may be efficiently transmitted to the vehicle interior material 130. For example, when the acoustic device 30 is separated (or detached) from the vehicle interior material 130 by separating the coupling portion 500, the connecting member 380 may be restored from the deformed thickness (T1) to the initial thickness (T1′) by an elastic restoring force.

[0313] 25A and 25B, the coupling unit 500 may be coupled to or connected to the acoustic device 30 via the second hole 135 of the vehicle interior material 130, the hole 380o of the connecting member 380, and the opening 310o of the enclosure 310 (in the direction of the arrows). For example, the coupling unit 500 may be coupled to or connected to the opening 310o of the first enclosure 311 in the interior space of the vehicle via the second hole 135 of the vehicle interior material 130 and the hole 380o of the connecting member 380. According to one embodiment of the present specification, the coupling unit 500 may be coupled to or connected to the acoustic device 30 or the enclosure 310 in the interior space of the vehicle via the hole 135 of the vehicle interior material 130 (in the direction of the arrows). For example, the connecting portion 500 may be accommodated or inserted into the hole 380o of the connecting member 380 and the opening 310o of the first enclosure 311 through the hole 135 of the vehicle interior material 130 in the interior space of the vehicle. For example, the hook member 504 of the coupling portion 500 may be coupled to or connected to the opening 310o of the first enclosure 311. For example, the hook member 504 of the coupling portion 500 may be inserted (or accommodated) into the opening 310o of the first enclosure 311 and coupled to or connected to the slot 311g of the first enclosure 311 by a hook coupling method.

[0314] FIG. 25C is a diagram illustrating an acoustic device according to another embodiment of the present specification.

[0315] 25C , a vehicle interior material 130 according to another embodiment of the present specification may include at least one or more curved portions (or bent portions) 136. The connecting member 380 may be in direct contact with the at least one or more curved portions 136. The connecting member 380 may be configured to correspond to the at least one or more curved portions 136. The connecting member 380 may be in contact with the at least one or more curved portions 136. The connecting member 380 may be in direct contact with the at least one or more curved portions 136. For example, the connecting member 380 may be in direct contact with the at least one or more curved portions 136 without an intermediary or intermediate member.

[0316] The acoustic device 30 or the enclosure 310 may be connected or coupled to at least one or more curved portions 136 of the vehicle interior material 130 by a connecting member 380. For example, the acoustic device 30 or the enclosure 310 may be disposed between the at least one or more curved portions 136 of the vehicle interior material 130 and the enclosure 310. For example, the acoustic device 30 or the enclosure 310 may be disposed between the at least one or more curved portions 136 of the vehicle interior material 130 and the first enclosure 311. For example, the first enclosure 311 may be connected or coupled to the at least one or more curved portions 136 of the vehicle interior material 130 by the connecting member 380.

[0317] Referring to FIG. 25C, the thickness (T1) of the connecting member 380 may be different from the thickness of at least one of the first connecting member 321 and the second connecting member 322. For example, the thickness (T1) of the connecting member 380 may be thicker than the thickness of at least one of the first connecting member 321 and the second connecting member 322. The thickness (T1) of the connecting member 380 may be 0.5 mm or more, although the embodiments of the present specification are not limited thereto. For example, the thickness (T1) of the connecting member 380 may be 0.5 mm to 3 mm, although the embodiments of the present specification are not limited thereto. For example, the connecting member 380 may have a thickness (T1) compressed from the initial thickness (T1') shown in FIG. 25B by the bonding force between the connecting portion 500 and the first enclosure 311. This allows the connecting member 380 to come into surface contact with the vehicle interior material 130, which includes at least one curved portion 136, due to the bonding force between the connecting portion 500 and the first enclosure 311.

[0318] According to an embodiment of the present specification, sound generated by the vibration of the sound-generating module 330 can be output to the interior space of the vehicle through the opening 310o, the hole 380o, and the second hole 135. Furthermore, according to an embodiment of the present specification, the vibration of the enclosure 310 or the first enclosure 311 caused by the sound (or sound pressure or sound waves) generated by the vibration of the sound-generating module 330 can be efficiently transmitted without loss to the vehicle interior material 130 having at least one curved surface portion 136 via the connecting member 380, and the vehicle interior material 130 having at least one curved surface portion 136 can vibrate due to the vibration of the enclosure 310 or the first enclosure 311 transmitted via the connecting member 380 and output to the interior space of the vehicle, thereby further improving the acoustic characteristics and / or sound pressure characteristics in the low-frequency range.

[0319] An acoustic device 30 according to another embodiment of the present specification may include an enclosure 310 and a connecting member 380. This may further improve the acoustic characteristics and / or sound pressure characteristics in the low frequency range, and the connecting member 380 made of a rubber material may facilitate the attachment or detachment process of the sound generating module 330 attached to the vehicle interior material 130.

[0320] Fig. 26 is a diagram showing an acoustic device according to another embodiment of the present specification. Figs. 27 to 30 are internal views of an acoustic device according to another embodiment of the present specification. Figs. 26 to 30 show acoustic device 30 described with reference to Figs. 1 to 25, to which at least one hole has been added. In the following description, the at least one hole will be described in detail, and the remaining configuration is substantially the same as that described with reference to Figs. 1 to 25C, so the same reference numerals will be used and redundant description may be omitted or simplified.

[0321] Referring to FIG. 26, an acoustic device 30 according to another embodiment of the present disclosure may further include at least one hole 331o.

[0322] At least one or more holes 331o may be configured in the vibration member 331. At least one or more holes 331o may be formed so as to penetrate the vibration member 331. For example, at least one or more holes 331o may be configured so as to penetrate the vibration member 331 along the thickness direction (Z) of the vibration member 331. For example, at least one or more holes 331o may be formed so as to penetrate vertically along the thickness direction (Z) of the vibration member 331.

[0323] The sound generating module 330 according to the embodiment of the present specification may include a vibrating member 331 including at least one hole 331 o and vibration devices 333 and 335 configured on the vibrating member 331 .

[0324] The at least one or more holes 331o may be configured to adjust the flow of air in the internal space 313 of the enclosure 310. For example, the at least one or more holes 331o may adjust the flow of air in the internal space 313 of the enclosure 310, which is spatially separated by the vibration member 331. For example, the at least one or more holes 331o may be configured to adjust the flow of air between the first space 313a and the second space 313b, which are spatially separated by the vibration member 331, in the internal space 313 of the enclosure 310. For example, the at least one or more holes 331o may be a first hole, a vent hole, a ventilation hole, a duct hole, a first connection hole, a first communication hole, a first space connection portion, or the like, and the embodiments of the present specification are not limited thereto.

[0325] The at least one hole 331o according to the embodiment of the present disclosure may be configured in a polygonal shape such as a circle, an ellipse, or a rectangle, but the embodiment of the present disclosure is not limited thereto.

[0326] At least one or more holes 331o may be configured to reduce the air pressure in the internal space 313 of the enclosure 310. For example, at least one or more holes 331o may be configured to connect the first space 313a and the second space 313b, which are spatially separated by the vibrating member 331, in the internal space 313 of the enclosure 310. For example, the first space 313a and the second space 313b of the internal space 313 inside the enclosure 310 may be connected (or communicated) with each other via at least one or more holes 331o. For example, at least one or more holes 331o may be configured to reduce the air pressure in the first space 313a of the first enclosure 311 or in the first space 313a provided between the vibrating member 331 and the first enclosure 311. This may extend the bass band (reproduction band), thereby improving the acoustic characteristics and / or sound pressure characteristics of the bass band. Furthermore, the at least one hole 331o in the vibrating member 331 allows the sound generating module 330 to vibrate more stably, thereby further improving the acoustic characteristics and / or sound pressure characteristics.

[0327] According to an embodiment of the present specification, the internal space 313 may be located between the first surface of the sound-generating module 330 and the first enclosure 311, and may be connected to the opening 310o. The internal spaces 313 may be connected (or communicated) with each other via at least one or more holes 331o. The enclosure 311 may include a second space 313b located between a second surface opposite the first surface of the sound-generating module 330 and the second enclosure 312. The internal space 313 and the second space 313b may be connected (or communicated) with each other via at least one or more holes 331o.

[0328] According to the embodiments of the present specification, the at least one or more holes 331o may be arranged adjacent to the vibration devices 333 and 335. For example, the at least one or more holes 331o may be arranged around the vibration devices 333 and 335. For example, the at least one or more holes 331o may be arranged adjacent to the side surfaces of the vibration devices 333 and 335. For example, the distance between the at least one or more holes 331o and the vibration devices 333 and 335 may be shorter than the distance between the at least one or more holes 331o and the side walls (or sides) of the enclosure 310. For example, if the at least one or more holes 331o are located far from the vibration devices 333 and 335, the acoustic characteristics and / or sound pressure characteristics in the low-frequency band may be reduced.

[0329] According to an embodiment of the present specification, at least one or more holes 331o may be formed in the vibrating member 331 adjacent to the vibrating devices 333, 335 across the vibrating devices 333, 335. For example, the vibrating member 331 may include a first peripheral region adjacent to a first side of the vibrating devices 333, 335 and a second peripheral region adjacent to a second side opposite the first side of the vibrating devices 333, 335. For example, with respect to the first direction (X), the vibrating member 331 may include a first peripheral region, a vibration region, and a second peripheral region. For example, in the vibrating member 331, each of the first and second peripheral regions may be a hole region or a region where the vibrating devices 333, 335 are not arranged, and the vibration region may be a region where the vibrating devices 333, 335 are arranged. For example, the vibration member 331 may be configured in the first peripheral region and the second peripheral region so that at least one or more holes 331o have a symmetrical structure (or a bilaterally symmetrical structure) or an asymmetrical structure (or a bilaterally asymmetrical structure) based on the vibration devices 333, 335, respectively.

[0330] According to an embodiment of the present specification, the vibration devices 333, 335 may include long sides and short sides. The distance (or separation distance, or shortest distance) between the at least one or more holes 331o and the short sides of the vibration devices 333, 335 may be expressed as a ratio to the length of the short sides of the vibration devices 333, 335. According to one embodiment of the present specification, the distance between the at least one or more holes 331o and the vibration devices 333, 335 may be 60% or less of the length of the short sides of the vibration devices 333, 335.

[0331] 26 and 27, the at least one or more holes 331o may be arranged closer to the vibration devices 333, 335 than the coupling member 320. The coupling member 320 may include a first coupling member 321 and a second coupling member 322. For example, the at least one or more holes 331o may be arranged closer to the vibration devices 333, 335 than the first coupling member 321 and the second coupling member 322. This can improve the acoustic characteristics and / or sound pressure characteristics in the low-frequency range. The acoustic output characteristics depending on the distance between the vibration devices 333, 335 and the at least one or more holes 331o will be described later with reference to FIGS. 62A and 62B.

[0332] According to an embodiment of the present specification, at least one or more holes 331o may not overlap with the opening 310o. For example, at least one or more holes 331o may be disposed apart from the opening 310o. This allows sound generated in the second space 313b by vibration (or driving) of the vibration devices 333 and 335 to be output to the first space 313a through at least one or more holes 331o, thereby improving the acoustic characteristics and / or sound pressure characteristics in the low frequency range.

[0333] 26 and 28, the size of the at least one or more holes 331o may be different from the size of the at least one or more holes 331o shown in FIG. 27. As the size of the at least one or more holes 331o increases, the acoustic characteristics and / or sound pressure characteristics in the low-frequency band may be increased. For example, the distance between the at least one or more holes 331o and the vibration devices 333, 335 may be shorter than the distance between the at least one or more holes 331o and the sidewall (or side surface) of the enclosure 310. For example, as the size of the at least one or more holes 331o increases, the sound pressure characteristics in the low-frequency band, for example, below 400 Hz, may be further improved. The acoustic output characteristics depending on the size of the at least one or more holes 331o will be described later with reference to FIGS. 61A, 61B, and 63.

[0334] 26 and 29, the at least one hole 331o may be configured with two holes 331o. For example, an acoustic device 30 according to another embodiment of the present specification may further include two holes 331o. The two holes 331o may be configured adjacent to each other. For example, the two holes 331o may be configured adjacent to the vibration devices 333 and 335. For example, the distances between each of the two holes 331o and the vibration devices 333 and 335 may be different. For example, the two holes 331o may be configured parallel to each other along the first direction (X) so as to be adjacent to the vibration devices 333 and 335. For example, the distances between each of the two holes 331o and the vibration devices 333 and 335 may be the same. For example, the two holes 331o may be configured adjacent to the vibration devices 333 and 335. For example, two holes 331o may be arranged parallel to each other along the second direction (Y) so as to be adjacent to the vibration devices 333, 335.

[0335] Each of the two holes 331o according to the embodiment of the present specification may be configured in a polygonal shape such as a circle, an ellipse, or a rectangle, and the embodiment of the present specification is not limited thereto.

[0336] 26 and 30, at least one or more holes 331o may be configured in a rectangular shape. For example, two holes 331o may be configured adjacent to the vibration devices 333 and 335. The acoustic output characteristics depending on the shape of the at least one or more holes 331o will be described later with reference to FIG. 64.

[0337] According to an embodiment of the present specification, the at least one hole 331o can output sound (or rear sound) generated by vibration of the vibrating devices 333 and 335 and emitted to the rear (or back) of the vibrating member 331 through the opening 310o of the first enclosure 311. As a result, sound generated in the rear of the vibrating member 331 or the second space 313b of the enclosure 310 by vibration (or driving) of the vibrating devices 333 and 335 is output to the first space 313a through the at least one hole 331o and output (or radiated) through the opening 310o of the first enclosure 311 and the hollow portion 501 of the coupling portion 500, thereby further improving the acoustic characteristics and / or sound pressure characteristics in the low-frequency range. According to an embodiment of the present specification, the at least one hole 331o in the vibrating member 331 can further improve the acoustic characteristics and / or sound pressure characteristics in the low-frequency range, for example, below 400 Hz.

[0338] Figure 31 is a diagram showing an acoustic device according to another embodiment of the present specification. Figure 31 shows an acoustic device 30 described with reference to Figures 1 to 30, with the enclosure modified. In the following description, the enclosure will be described in detail, and the remaining configuration is substantially the same as that described with reference to Figures 1 to 30, so the same reference numerals will be used and duplicated descriptions may be omitted or simplified.

[0339] 31, in an acoustic device 30 according to another embodiment of the present specification, the enclosure 310 may include a first enclosure 311. For example, the enclosure 310 may be configured with only the first enclosure 311, with the second enclosure 312 removed (or omitted) from the enclosure 310 described with reference to FIGS.

[0340] The enclosure 310 or the first enclosure 311 may be connected to the acoustic device 30 across the internal space 313. The enclosure 310 or the first enclosure 311 may be connected to an edge portion of the rear surface of the vibrating member 331 across the internal space 313.

[0341] According to other embodiments of the present specification, the vibration member 331 may be configured to cover the internal space 313 of the first enclosure 311. For example, the vibration member 331 may be configured to cover a portion of the internal space 313 of the first enclosure 311. The vibration member 331 may be configured to cover the first space 313a of the first enclosure 311. For example, the vibration member 331 may be configured to cover a portion of the first space 313a of the first enclosure 311.

[0342] When enclosure 310 is configured with first enclosure 311, the acoustic characteristics and / or sound pressure characteristics of acoustic device 30 can be further improved compared to when enclosure 310 is configured with first enclosure 311 and second enclosure 312. For example, when enclosure 310 is configured with first enclosure 311, the acoustic characteristics and / or sound pressure characteristics in the mid-low frequency band, for example, the frequency band of 2 kHz or less, can be further improved, and the sound reproduction band can be further expanded.

[0343] According to another embodiment of the present disclosure, the acoustic device 30 may further include a connecting member 380 .

[0344] The connecting member 380 according to other embodiments of the present specification may be configured between the first enclosure 311 and the vehicle interior material 130. For example, the first enclosure 311 may include an inner surface 311i and an outer surface. The inner surface 311i of the first enclosure 311 may face the vibration member 331. The outer surface of the first enclosure 311 may be the surface opposite the inner surface 311i. For example, the connecting member 380 may be connected to the outer surface of the enclosure 310 or the first enclosure 311.

[0345] According to one embodiment of the present disclosure, vibrations of the first enclosure 311 may be dissipated by the connecting member 380 when transmitted to the vehicle interior material 130. Therefore, the connecting member 380 may be made of a material that can transmit vibrations of the sound generating module 330 and / or the first enclosure 311 to the vehicle interior material 130 without vibration loss. For example, the connecting member 380 may be made of a material that can contract according to the shape of the vehicle interior material 130. For example, the connecting member 380 may be made of a material such as rubber, although the embodiment of the present disclosure is not limited thereto. The connecting member 380 may be made of a highly elastic rubber, although the embodiment of the present disclosure is not limited thereto. For example, the connecting member 380 may include a rubber material or may be made of ethylene propylene diene rubber (or ethylene propylene diene M-class rubber), ethylene propylene rubber, or urethane rubber, although the embodiment of the present disclosure is not limited thereto.

[0346] An acoustic device 30 according to other embodiments of the present specification may further include a coupling member 320 or a first coupling member 321. The first coupling member 321 may be located between the vibrating member 331 and the first enclosure 311. The description of the first coupling member 321 is substantially the same as that described with reference to FIGS. 3 and 4, and therefore the same reference numerals are used therefor, and redundant description thereof may be omitted or simplified.

[0347] The connecting member 380 may be made of a different material from the first connecting member 321. For example, the connecting member 380 may be made of a material having higher elasticity than the first connecting member 321. For example, the connecting member 380 may be made of a material having a different adhesive strength from the first connecting member 321. For example, the connecting member 380 may be made of a single-sided adhesive, a single-sided tape, a single-sided adhesive tape, a single-sided foam tape, a single-sided adhesive foam tape, a single-sided pad, a single-sided foam pad, a single-sided adhesive foam pad, a single-sided cushion tape, etc., but the embodiments of the present specification are not limited thereto. For example, the first connecting member 321 may be made of an adhesive, a double-sided adhesive, a double-sided tape, a double-sided adhesive tape, a double-sided foam tape, a double-sided adhesive foam tape, a double-sided pad, a double-sided foam pad, a double-sided adhesive foam pad, a double-sided cushion tape, etc., but the embodiments of the present specification are not limited thereto.

[0348] According to another embodiment of the present specification, since the connecting member 380 is made of a material having an adhesive strength different from that of the first coupling member 321, it may be easy to separate or detach (or rework) the connecting member 380 from the vehicle interior material 130 during the process of separating or detaching (or reworking) the audio device 30 attached to the vehicle interior material 130. This may facilitate the process of attaching or mounting the audio device 30 to the vehicle interior material 130, or the process of separating or detaching the audio device 30 from the vehicle interior material 130.

[0349] In other embodiments of this specification, the connecting member 380 and the first coupling member 321 are substantially the same as those described in Figures 25A to 25C, and therefore the same symbols are used therefor, and redundant descriptions thereof may be omitted or simplified.

[0350] According to other embodiments of the present specification, the thickness (T1) of the connecting member 380 may be different from the thickness of the first connecting member 321. For example, the thickness (T1) of the connecting member 380 may be thicker than the thickness of the first connecting member 321. The thickness (T1) of the connecting member 380 may be 0.5 mm or more, but the embodiments of the present specification are not limited thereto. For example, the thickness (T1) of the connecting member 380 may be 0.5 mm to 3 mm, but the embodiments of the present specification are not limited thereto. The acoustic output characteristics according to the thickness (T1) of the connecting member 380 will be described later with reference to FIG. 67.

[0351] According to another embodiment of the present specification, the acoustic device 30 is configured to include a first enclosure 311 and a connecting member 380, thereby further improving the acoustic characteristics and / or sound pressure characteristics of the low-frequency band and the mid-frequency band, expanding the sound reproduction band, and facilitating the attachment or detachment process of the sound generating module 330 attached to the vehicle interior material 130.

[0352] According to another embodiment of the present specification, the connecting member 380 between the vehicle interior material 130 and the enclosure 311 is made of a material such as rubber, so that vibrations of the sound generating module 330 and / or the enclosure 310 or the first enclosure 311 can be transmitted to the vehicle interior material 130 without being lost, thereby further improving the acoustic characteristics and / or sound pressure characteristics of the acoustic device 30.

[0353] Figure 32 is a diagram showing an acoustic device according to another embodiment of the present specification. Figure 32 shows an acoustic device 30 described with reference to Figure 31, to which at least one hole has been added. In the following description, at least one hole will be described in detail, and the remaining components are substantially the same as those described with reference to Figures 1 to 31, so the same reference numerals will be used and duplicated descriptions may be omitted or simplified.

[0354] 32, an acoustic device 30 according to another embodiment of the present specification may further include at least one hole 331o. The at least one hole 331o may be configured in the vibrating member 331. The description of the at least one hole 331o is substantially the same as that described with reference to FIGS. 26 to 30, and therefore the same reference numerals are used therefor, and redundant description thereof may be omitted or simplified.

[0355] According to other embodiments of the present specification, the acoustic device 30 may include the first enclosure 311 and at least one or more holes 331o, or may include the first enclosure 311. When the acoustic device 30 is configured to include the first enclosure 311 and at least one or more holes 331o, the acoustic characteristics and / or sound pressure characteristics of the low-frequency band and the mid-frequency band may be further improved, and the sound reproduction band may be further expanded. When the acoustic device 30 is configured to include the first enclosure 311, the acoustic characteristics and / or sound pressure characteristics of the mid-low frequency band may be further improved, and the sound reproduction band may be further expanded.

[0356] An acoustic device 30 according to other embodiments of the present specification may further include a coupling member 320 or a first coupling member 321. The first coupling member 321 may be located between the vibrating member 331 and the first enclosure 311. The description of the first coupling member 321 is substantially the same as that described with reference to FIGS. 3 and 4, and therefore the same reference numerals are used therefor, and redundant description thereof may be omitted or simplified.

[0357] According to another embodiment of the present disclosure, the acoustic device 30 may further include a connecting member 380 .

[0358] A connecting member 380 according to other embodiments of the present specification may be configured between the first enclosure 311 and the vehicle interior material 130. For example, the connecting member 380 may be configured of a material different from that of the first connecting member 321. For example, the connecting member 380 may be configured of a material having a higher elasticity than the first connecting member 321. For example, the connecting member 380 may be configured of a material having a different adhesive strength from that of the first connecting member 321. Because the connecting member 380 is configured of a material having a different adhesive strength from that of the first connecting member 321, the connecting member 380 may be easily separated or detached (or reworked) from the vehicle interior material 130 during the process of separating or detaching (or reworking) the audio device 30 attached to the vehicle interior material 130. This may facilitate the process of attaching or mounting the audio device 30 to the vehicle interior material 130, or the process of separating or detaching the audio device 30 from the vehicle interior material 130.

[0359] In other embodiments of this specification, the connecting member 380 and the first coupling member 321 are substantially the same as those described in Figures 25A to 25C, and therefore the same symbols are used therefor, and redundant descriptions thereof may be omitted or simplified.

[0360] According to other embodiments of the present specification, the thickness (T1) of the connecting member 380 may be different from the thickness of the first coupling member 321. For example, the thickness (T1) of the connecting member 380 may be thicker than the thickness of the first coupling member 321. The thickness (T1) of the connecting member 380 may be 0.5 mm or more, but the embodiments of the present specification are not limited thereto. For example, the thickness (T1) of the connecting member 380 may be 0.5 mm to 3 mm, but the embodiments of the present specification are not limited thereto.

[0361] According to another embodiment of the present specification, the acoustic device 30 is configured to include a first enclosure 311 and a connecting member 380, thereby further improving the acoustic characteristics and / or sound pressure characteristics of the low-frequency band and the mid-frequency band, expanding the sound reproduction band, and facilitating the attachment or detachment process of the sound generating module 330 attached to the vehicle interior material 130.

[0362] According to another embodiment of the present specification, the acoustic device 30 includes at least one or more of the first enclosure 311, at least one or more holes 331o, and a connecting member 380, which can further improve the acoustic characteristics and / or sound pressure characteristics of the low-frequency band and the mid-frequency band, further expand the sound reproduction band, and facilitate the attachment or detachment process of the sound generating module 330 attached to the vehicle interior material 130.

[0363] According to another embodiment of the present specification, the connecting member 380 between the vehicle interior material 130 and the enclosure 311 is made of a material such as rubber, so that vibrations of the sound generating module 330 and / or the enclosure 311 or the first enclosure 311 can be transmitted to the vehicle interior material 130 without being lost, thereby further improving the acoustic characteristics and / or sound pressure characteristics of the acoustic device 30.

[0364] Figure 33 is a diagram showing an acoustic device according to another embodiment of the present specification. Figure 33 shows an acoustic device 30 described with reference to Figure 31, to which a protective member is further added. In the following description, the protective member will be described in detail, and the remaining configuration is substantially the same as that described with reference to Figures 1 to 31, so the same reference numerals will be used and duplicated descriptions may be omitted or simplified.

[0365] Referring to FIG. 33, an acoustic device 30 according to another embodiment of the present disclosure may further include a protective member 410.

[0366] The protective member 410 according to the embodiments of the present specification may be disposed on the sound-generating module 330. For example, the protective member 410 may cover the sound-generating module 330. For example, the protective member 410 may be disposed on the second vibrating device 335. For example, the protective member 410 may cover the second vibrating device 335.

[0367] According to an embodiment of the present specification, the protective member 410 may be made of rubber or sponge, but the embodiment of the present specification is not limited thereto. For example, the rubber may be ethylene propylene diene rubber (or ethylene propylene diene M class rubber), ethylene propylene rubber, or urethane rubber, but the embodiment of the present specification is not limited thereto. For example, the protective member 410 may include a rubber material or may be made of ethylene propylene diene rubber, ethylene propylene rubber, or urethane rubber. For example, the ethylene propylene diene rubber may be ethylene propylene diene monomer (EPDM), but the embodiment of the present specification is not limited thereto. For example, the hardness of EPDM may be 40 to 90, but the embodiment of the present specification is not limited thereto. For example, the tensile strength of EPDM is 50 kg / cm. 2 ~200kg / cm 2 For example, the minimum elongation rate of EPDM may be 200%, but the examples herein are not limited thereto. For example, the service temperature of EPDM may be -30°C to 110°C, but the examples herein are not limited thereto. For example, the protective member 410 may be made of high-elasticity rubber or low-elasticity rubber, but the examples herein are not limited thereto. For example, the thickness of the protective member 410 may be 0.5 mm to 2 mm, but the examples herein are not limited thereto.

[0368] According to an embodiment of the present specification, the sound generating module 330 is provided with a protective member 410, which can further enhance the acoustic characteristics and / or sound pressure characteristics of the low frequency band and protect the acoustic device 30. For example, the protective member 410 can be a sealing member, a buffer member, or a shock absorbing member, and the embodiment of the present specification is not limited thereto.

[0369] According to the embodiments of the present specification, the protective member 410 may be made of a material different from that of the first connecting member 321. For example, the protective member 410 may be made of a material having an adhesive strength different from that of the first connecting member 321. The protective member 410 is made of a material having an adhesive strength different from that of at least one of the first connecting member 321 and the second connecting member 322, thereby being able to protect the acoustic device 30. For example, the protective member 410 is made of rubber such as EPDM, which can increase the sound pressure in the low-frequency range and protect the acoustic device 30.

[0370] According to embodiments herein, the protective member 410 may be coupled or connected to the vibration member 331 and / or the vibration device. The protective member 410 may be coupled or connected to the vibration member 331 and / or the second vibration device 335. For example, the protective member 410 may be configured to protect or secure the vibration member 331 and / or the vibration device 330. The protective member 410 may be configured to secure the vibration member 331 and / or the second vibration device 335 so as to protect the vibration member 331 and / or the second vibration device 335.

[0371] The vibration member 331 may include a first surface and a second surface that is different from (or opposite to) the first surface. For example, the enclosure 310 may be coupled or connected to the first surface of the vibration member 331. The protective member 410 may be in contact with the second vibration device 335 and the second surface of the vibration member 331. For example, the protective member 410 may be configured to cover the second vibration device 335 and the second surface of the vibration member 331.

[0372] The protective member 410 may have the same size as the vibration member 331, and the embodiments of the present specification are not limited thereto. For example, the protective member 410 may have a size larger than the vibration devices 333 and 335 and smaller than the vibration member 331, and the embodiments of the present specification are not limited thereto.

[0373] According to another embodiment of the present specification, the acoustic device 30 may include at least one of the first enclosure 311, the connecting member 380, and the protective member 410, thereby further improving the acoustic characteristics and / or sound pressure characteristics of the low-frequency band and the mid-frequency band, expanding the sound reproduction band, and providing protection from external impacts.

[0374] Fig. 34 is a diagram showing an acoustic device according to another embodiment of the present specification. Fig. 34 shows a configuration in which at least one hole is further configured in protective member 410 described with reference to Fig. 33. In the following description, at least one hole will be described in detail, and the remaining configuration is substantially the same as that described with reference to Figs. 1 to 33, so the same reference numerals will be used and duplicated descriptions may be omitted or simplified.

[0375] 34, an acoustic device 30 according to another embodiment of the present specification may further include at least one hole 331o. The at least one hole 331o may be configured in the vibrating member 331. The description of the at least one hole 331o is substantially the same as that described with reference to FIGS. 26 to 30, and therefore the same reference numerals are used therefor, and redundant description thereof may be omitted or simplified.

[0376] The acoustic device 30 according to another embodiment of the present specification may further include at least one hole 410h (or a connecting hole) in the protective member 410.

[0377] At least one hole 410h of the protective member 410 may be configured to correspond to at least one or more holes 331o in the vibration member 331. For example, at least one hole 410h of the protective member 410 may be connected to at least one or more holes 331o in the vibration member 331. For example, the hole 410h may be a second hole, a vent hole, a ventilation hole, a duct hole, a second connection hole, a second communication hole, a second space connection portion, or the like, and the embodiments of the present specification are not limited thereto.

[0378] According to another embodiment of the present specification, when the acoustic device 30 includes at least one or more of the first enclosure 311, at least one or more holes 331o, and at least one hole 410h of the protective member 410, the acoustic characteristics and / or sound pressure characteristics of the low-frequency band and the mid-frequency band may be further improved, and the sound reproduction band may be further expanded.

[0379] The inventors of the present specification recognized that acoustic characteristics differ depending on the structure of the coupling part 500. Therefore, the inventors of the present specification conducted various studies and experiments on the structure of the coupling part 500. Through various studies and experiments, they invented an acoustic device including the coupling part 500 and a transportation device including the same, which can improve acoustic characteristics and / or sound pressure characteristics. This will be described below.

[0380] Fig. 35 is a diagram showing an acoustic device according to another embodiment of the present specification. Fig. 36 is a diagram showing a coupling part according to another embodiment of the present specification.

[0381] 35, an acoustic device 30 according to another embodiment of the present specification may include an enclosure 310 and a sound generating module 330. The enclosure 310 and the sound generating module 330 are substantially the same as those described with reference to FIGS. 3 to 10, and therefore the same reference numerals are used therefor, and duplicated descriptions may be omitted or simplified.

[0382] An acoustic device 30 according to another embodiment of the present specification may include a coupling part 500 that is coupled to a vehicle interior material 130. The description of the coupling part 500 is substantially the same as that described in Figures 11 to 24, and therefore the same reference numerals are used therefor, and redundant description thereof may be omitted or simplified.

[0383] The coupling portion 500 according to another embodiment of the present disclosure may further include a chamfered portion 503a.

[0384] The coupling portion 500 may include a hollow portion 501 that is coupled to the interior space 313 of the enclosure 310 and has a chamfered portion 503a. The chamfered portion 503a may be configured in the hollow portion 501. For example, the hollow portion 501 may be coupled to the interior space 313 of the enclosure 310 through an opening 310o of the enclosure 310.

[0385] The vehicle interior material 130 (or the object to which it is attached) may include a first surface and a second surface different from (or opposite to) the first surface. The first surface may be the surface facing the enclosure 310. The vehicle interior material 130 (or the object to which it is attached) may include holes 135 formed in the first surface and the second surface. For example, the holes 135 of the vehicle interior material 130 may be configured to penetrate through the first surface and the second surface. For example, the latch member 503 may be configured to penetrate the holes (or through-holes) 135 and be coupled to the second surface (or interior surface or back surface) 130s of the vehicle interior material 130 (or the object to which it is attached). For example, the latch member 503 may include a chamfered portion 503a. For example, the latch member 503 may overlap the second surface of the vehicle interior material 130 (or the object to which it is attached).

[0386] The chamfered portion 503a according to other embodiments of the present specification may include a non-right-angled shape. For example, the chamfered portion 503a may include one or more of a curved shape (or a rounded shape) and an inclined surface. For example, the chamfered portion 503a may have a curvature. The curvature of the chamfered portion 503a may change the acoustic characteristics and / or sound pressure characteristics. The acoustic output characteristics according to the curvature of the chamfered portion 503a will be described later with reference to FIGS. 68A to 68D. The chamfered portion 503a may be formed by a chamfering process, and the embodiments of the present specification are not limited thereto.

[0387] 36, the coupling portion 500 may include a first side (or lower surface) 500a and a second side (or upper surface) 500b. The second side 500b may be the opposite of the first side 500a. For example, a chamfered portion 503a may be formed between the second side 500b and the hollow portion 501. For example, the chamfered portion 503a may be formed in a non-right-angled shape in the area (or corner area) between the inner surface (or internal surface) of the hollow member 502 and the upper surface of the hook member 503. For example, the hollow portion 501 may be connected to the interior space 313 through the opening 310o of the enclosure 310.

[0388] According to other embodiments of the present specification, the hollow portion 501 may have a straight line shape, but the embodiments of the present specification are not limited thereto. The hollow portion 501 may have a straight line shape parallel to the second direction (Y) or the short side direction of the enclosure 310, but the embodiments of the present specification are not limited thereto. For example, the hollow portion 501 may include a slit shape having a long axis and a short axis, but the embodiments of the present specification are not limited thereto. For example, the long axis of the hollow portion 501 may be parallel to the second direction (Y) or the short side direction of the enclosure 310, but the embodiments of the present specification are not limited thereto. For example, the short axis of the hollow portion 501 may be parallel to the first direction (X) or the long side direction of the enclosure 310, but the embodiments of the present specification are not limited thereto. For example, the hollow portion 501 may have a star (*) shape or a cross (+) shape as described in FIGS. 17 and 18, but the embodiments of the present specification are not limited thereto. The shape of the chamfered portion 503 a can be applied in the same manner to correspond to various shapes of the hollow portion 501 .

[0389] According to other embodiments of the present specification, the coupling portion 500 may be configured to have a width (W). For example, the coupling portion 500 may include a latch member 503 having a width (W). For example, the latch member 503 may be configured to have a width (W). For example, the width (W) of the latch member 503 may be a length extending from the outer surface (outer peripheral surface) of the hollow portion 501 in a direction parallel to the vehicle interior material 130 (or the first direction (X)). For example, the width (W) of the latch member 503 may be a length extending from the lower outer surface of the hollow member 502 in a direction parallel to the vehicle interior material 130 (or the first direction (X)). The latch member 503 having the width (W) may overlap at least one of the vehicle interior material 130, the connecting member 380, and the enclosure 310. For example, the width (W) of the latch member 503 may be the same as the length of the minor axis of the hollow portion 501. The width (W) of latch member 503 or the length of the minor axis of hollow portion 501 may be 1 mm or more, but the embodiments of the present specification are not limited thereto. For example, the width (W) of latch member 503 or the length of the minor axis of hollow portion 501 may be 1 mm to 5 mm or less, but the embodiments of the present specification are not limited thereto. The acoustic output characteristics depending on the width (W) of coupling portion 500 or latch member 503 will be described later with reference to Figures 69A to 69D.

[0390] According to another embodiment of the present disclosure, the coupling portion 500 may be configured to have a length (L). The length (L) of the coupling portion 500 may be a length that allows the acoustic device 30 to be securely attached to the vehicle interior material 130. For example, the length (L) of the coupling portion 500 may be smaller than the total thickness of the vehicle interior material 130, the connecting member 380, and the enclosure 310. Based on the thickness direction (Z) of the vehicle interior material 130, the length (L) of the coupling portion 500 may correspond to the length of the hollow portion 501. The length (L) of the coupling portion 500 may correspond to the length between the latch member 503 and the hook member 504. For example, the length (L) of the coupling portion 500 may be the length between the upper surface of the latch member 503 that contacts the vehicle interior material 130 and the lower surface of the hook member 504 that contacts the enclosure 310. The length (L) of the coupling portion 500 may be 10 mm or more, and the embodiments of the present disclosure are not limited thereto. The length (L) of the coupling portion 500 may be 10 mm or more and less than 19 mm, but the embodiments of the present specification are not limited thereto. The acoustic output characteristics according to the length (L) of the coupling portion 500 will be described later with reference to Figures 70A to 70D.

[0391] 19 and 20 together, the enclosure 310 may include a protrusion 315. For example, the protrusion 315 may protrude from the enclosure 310 or the first enclosure 311 to surround the opening 310o. For example, the protrusion 315 may protrude from the rear surface (or outer surface) 311r of the enclosure 310 or the first enclosure 311 to surround the opening 310o. Thus, the protrusion 315 may include a hollow hole (or hole or open hole) 315o connected to (or overlapping with) the opening 310o. The hollow portion 501 may be housed in the hollow hole 315o of the protrusion 315 and connected to the internal space 313 via the hollow hole 315o and the opening 310o. For example, the hook member 504 may be accommodated or inserted into the opening 310o of the enclosure 310 or the first enclosure 311 via the vehicle interior material 130 (or the attachment object) and the protrusion 315. The hook member 504 may be coupled or connected to the inner surface 311i of the enclosure 310 or the first enclosure 311. For example, the hook member 504 may be coupled or connected to the home portion 311g of the enclosure 310 in the inner space 313 of the enclosure 310 by a hook coupling method.

[0392] According to other embodiments of the present specification, an acoustic device 30 can be provided with improved acoustic characteristics and / or sound pressure characteristics by being configured to include one or more of the shape of the coupling portion 500, the width (W) of the coupling portion 500, and the length (L) of the coupling portion 500.

[0393] 37A to 37E are diagrams showing an acoustic device according to another embodiment of the present specification, and show the shape of chamfered portion 503a according to an embodiment of the present specification.

[0394] 37A to 37E, an acoustic device 30 according to another embodiment of the present specification may include an enclosure 310 and a sound generating module 330. The descriptions of the enclosure 310 and the sound generating module 330 are substantially the same as those described in Figures 3 to 10, and therefore the same reference numerals are used therefor, and duplicate descriptions may be omitted or simplified.

[0395] An acoustic device 30 according to another embodiment of the present specification may include a coupling part 500 that is coupled to a vehicle interior material 130. The description of the coupling part 500 is substantially the same as that described in Figures 11 to 24 or Figures 35 and 36, and therefore the same reference numerals are used therefor, and redundant description thereof may be omitted or simplified.

[0396] Referring to FIG. 37A, the chamfer 503a according to the embodiments herein can include a right angle shape.

[0397] 37B-37E, chamfered portion 503a according to the embodiments of the present specification may include a non-right-angled shape. For example, chamfered portion 503a may have a rounded shape or a sloped surface. In FIG. 37B, chamfered portion 503a may have a curvature of 1R (or 1 mm). In FIG. 37C, chamfered portion 503a may have a curvature of 2R (or 2 mm). In FIG. 37D, chamfered portion 503a may have a curvature of 3R (or 3 mm). In FIG. 37E, chamfered portion 503a may have a curvature of 4R (or 4 mm).

[0398] According to another embodiment of the present specification, the coupling portion 500 may be configured to have a rounded or inclined surface, thereby providing an acoustic device 30 with further improved acoustic characteristics and / or sound pressure characteristics.

[0399] FIG. 38 is a diagram showing an acoustic device according to another embodiment of the present specification.

[0400] 38, an acoustic device 30 according to another embodiment of the present specification may further include at least one or more holes 331o. For example, FIG. 35 shows an acoustic device 30 described in FIG. 35 further configured with at least one or more holes 331o. The description of the at least one or more holes 331o is substantially the same as that described in FIGS. 26 to 30, and therefore the same reference numerals are used therefor, and redundant description thereof may be omitted or simplified.

[0401] According to another embodiment of the present specification, by forming at least one or more holes 331o in the vibrating member 331 and configuring it to include at least one of the shape of the connecting portion 500, the width (W) of the connecting portion 500, and the length (L) of the connecting portion 500, the acoustic characteristics and / or sound pressure characteristics of the frequency range including the bass range can be further improved.

[0402] FIG. 39 is a diagram showing an acoustic device according to another embodiment of the present specification.

[0403] 39, an acoustic device 30 according to another embodiment of the present specification may include a first enclosure 311. For example, FIG. 39 shows an acoustic device 30 described in FIG. 35 in which the enclosure 310 is configured with the first enclosure 311. For example, the enclosure 310 may be configured with only the first enclosure 311, with the second enclosure 312 removed (or omitted) from the enclosure 310 described with reference to FIG. 35. For example, the enclosure 310 may be configured the same as the enclosure 310 described with reference to FIG. 31. The description of the first enclosure 311 is substantially the same as that described with reference to FIG. 31, and therefore the same reference numerals are used therefor, and redundant description thereof may be omitted.

[0404] According to another embodiment of the present specification, by including the first enclosure 311 and configuring it to include one or more of the shape of the connecting portion 500, the width (W) of the connecting portion 500, and the length (L) of the connecting portion 500, the acoustic characteristics and / or sound pressure characteristics of the low-frequency band and the mid-frequency band may be further improved, the sound reproduction band may be further expanded, and the attachment or detachment process of the sound generating module 330 attached to the vehicle interior material 130 may be facilitated.

[0405] FIG. 40 is a diagram showing an acoustic device according to another embodiment of the present specification.

[0406] 40, an audio device 30 according to another embodiment of the present specification may further include at least one or more holes 331o. For example, FIG. 40 shows the audio device 30 described in FIG. 39 further configured with at least one or more holes 331o. The description of the at least one or more holes 331o is substantially the same as that described in FIGS. 26 to 30, and therefore the same reference numerals are used therefor, and redundant description thereof may be omitted or simplified.

[0407] According to another embodiment of the present specification, by including at least one or more holes 331o in the first enclosure 311 and the vibrating member 331 and configuring the coupling portion 500 to include one or more of the shape, width (W) of the coupling portion 500, and length (L) of the coupling portion 500, the acoustic characteristics and / or sound pressure characteristics of the low-frequency band and the mid-frequency band may be further improved, the sound reproduction band may be further expanded, and the attachment or detachment process of the sound generating module 330 attached to the vehicle interior material 130 may be facilitated.

[0408] FIG. 41 is a diagram showing an acoustic device according to another embodiment of the present specification.

[0409] 41, an acoustic device 30 according to another embodiment of the present specification may further include a protective member 410. For example, Fig. 41 shows an acoustic device 30 described in Fig. 39 further configured with a protective member 410. The description of the protective member 410 is substantially the same as that described in Fig. 33, and therefore the same reference numerals are used therefor, and redundant description thereof will be omitted.

[0410] According to other embodiments of the present specification, by configuring the acoustic device 30 to include at least one of the first enclosure 311 and the protective member 410, and to include one or more of the shape of the connecting portion 500, the width (W) of the connecting portion 500, and the length (L) of the connecting portion 500, the acoustic characteristics and / or sound pressure characteristics of the low-frequency band and the mid-frequency band may be further improved, the sound reproduction band may be further expanded, and the acoustic device 30 may be protected.

[0411] FIG. 42 is a diagram showing an acoustic device according to another embodiment of the present specification.

[0412] 42, an acoustic device 30 according to another embodiment of the present specification may further include a hole 410h in a protective member 410. For example, FIG. 42 shows an acoustic device 30 according to another embodiment of the present specification, in which at least one hole 410h is further configured in the protective member 410 of the acoustic device 30 described in FIG. 41. The description of the hole 410h in the protective member 410 is substantially the same as that described in FIG. 34, and therefore the same reference numerals are used therefor, and redundant description thereof will be omitted.

[0413] According to another embodiment of the present specification, by configuring the first enclosure 311, the at least one or more holes 331o, and the at least one hole 410h of the protective member 410, and including one or more of the shape of the connecting portion 500, the width (W) of the connecting portion 500, and the length (L) of the connecting portion 500, the acoustic characteristics and / or sound pressure characteristics of the low-frequency band and the mid-frequency band may be further improved, and the sound reproduction band may be further expanded.

[0414] Fig. 43 is a diagram showing an acoustic device according to another embodiment of the present specification. Fig. 43 shows another embodiment of the connecting member 380 described in Fig. 25A. Therefore, in the following description, redundant descriptions of the remaining components excluding the connecting member 380 can be omitted or simplified.

[0415] The inventors of the present specification have found that when using the connecting member 380 of FIG. 25A , the edge portion of the connecting member 380 is not connected to or in contact with the vehicle interior material 130, resulting in a decrease in acoustic characteristics and / or sound pressure characteristics. For example, they have found that the edge portion of the connecting member 380 that is not connected to or in contact with the vehicle interior material 130 causes a loss of sound (or vibration transmission). This results in a decrease in acoustic characteristics and / or sound pressure characteristics in the low-frequency range. Therefore, the inventors of the present specification have conducted various studies and experiments. Through these studies and experiments, they have invented an acoustic device and a transportation device including the same that can further improve acoustic characteristics and / or sound pressure characteristics in the low-frequency range. This will be described below.

[0416] Referring to FIG. 43, an acoustic device 30 according to another embodiment of the present disclosure may further include a connecting member 380.

[0417] The connecting member 380 may include a first portion and a second portion. The second portion may be an edge portion of the enclosure 310. The second portion may be a portion (or region) between the interior material 130 and the edge portion of the enclosure 310. The first portion may be the remaining portion of the enclosure 310 excluding the edge portion. For example, the first portion may correspond to a central portion of the enclosure 310 surrounded by a second portion corresponding to the edge portion of the enclosure 310.

[0418] According to an embodiment of the present specification, the first portion of the connecting member 380 may include an opening hole 380o connected to the internal space 313 of the enclosure 310. For example, the first portion may include an opening hole 380o connected to the internal space 313 of the first enclosure 311.

[0419] According to embodiments of the present specification, the enclosure 310 or the first enclosure 311 may include at least one or more regions. For example, the enclosure 310 or the first enclosure 311 may include a first region (A1), a second region (A2), and a third region (A3).

[0420] The first region (A1) may correspond to a central portion of the enclosure 310 or the first enclosure 311. The first region (A1) may be located in the central portion of the enclosure 310 or the first enclosure 311. The second region (A2) may correspond to an edge portion surrounding the central portion of the enclosure 310 or the first enclosure 311. The third region (A3) may be located between the first region (A1) and the second region (A2). For example, the first portion of the connecting member 380 may be located between the first region (A1) and the second region (A2). For example, the second portion of the connecting member 380 may be located in the second region (A2).

[0421] According to an embodiment of the present specification, the first and second portions of the connecting member 380 may have different thicknesses. For example, the connecting member 380 may include a first and second portion having different thicknesses. In the connecting member 380, the thickness (T1) of the first portion may be different from the thickness (T1+T2) of the second portion. For example, in the connecting member 380, the thickness (T1+T2) of the second portion may be thicker than the thickness (T1) of the first portion. For example, the thickness (T1) of the connecting member 380 in the first region (A1) may be different from the thickness (T1+T2) of the connecting member 380 in the second region (A2). At least one of the thicknesses of the connecting member 380 in the first region (A1) and the third region (A3) may be different from the thickness (T1+T2) of the connecting member 380 in the second region (A2). For example, the thickness (T1+T2) of the connecting member 380 in the second region (A2) may be greater than the thickness (T1) of the connecting member 380 in the first region (A1).

[0422] According to the embodiment of the present specification, the second portion of the connecting member 380 has a thickness (T1 + T2) greater than that of the first portion, so that the edge portion of the connecting member 380 can be connected to or contact the vehicle interior material 130 without lifting up. This prevents the edge portion of the connecting member 380 from lifting up from the vehicle interior material 130, and vibrations within the edge portion of the enclosure 310 can be transmitted to the vehicle interior material 130 without loss of vibration (or vibration transmission) at the edge portion of the enclosure 310. Vibrations at the edge portion of the enclosure 310 increase the vibration area of ​​the vehicle interior material 130, thereby further improving or complementing the acoustic characteristics of the low-frequency range. Therefore, sound generated by vibration of the acoustic device 30 can be transmitted to the vehicle interior material 130 without loss, thereby further improving the sound in the low-frequency range. For example, sound generated by vibration of the acoustic device 30 can be transmitted to the vehicle interior material 130 through the opening 310o and the edge portion of the enclosure 310, thereby increasing the efficiency of vibration transmitted from the enclosure 310 to the vehicle interior material 130 and further improving the acoustic characteristics and / or sound pressure characteristics in the low-frequency range.

[0423] The connecting member 380 according to an embodiment of the present disclosure may include a first connecting member 381 and a second connecting member 382 .

[0424] The first connecting member 381 can have a first portion and a second portion. The first connecting member 381 can be connected to the enclosure 310. The first connecting member 381 can be connected to (or attached to) the first enclosure 311. The first connecting member 381 can be connected to (or attached to) the rear surface of the first enclosure 311. The first connecting member 381 can be connected to (or attached to) the first to third regions (A1, A2, A3) of the enclosure 310. For example, the first connecting member 381 can be connected to (or attached to) the entire rear surface of the first enclosure 311.

[0425] According to an embodiment of the present specification, the first connecting member 381 may include an opening hole 380o in the first portion thereof that is connected to the internal space 313 of the enclosure 310. For example, the first connecting member 381 may include an opening hole 380o in the first portion thereof that is connected to the internal space 313 of the first enclosure 311.

[0426] The second connecting member 382 can be in the second portion. The second connecting member 382 can be connected to a portion of the first connecting member 381. The second connecting member 382 can be on the first connecting member 381 in the second portion. For example, the first portion can include only the first connecting member 381 of the first connecting member 381 and the second connecting member 382. The first connecting member 381 and the second connecting member 382 can be together in the second portion. For example, the second portion can include both the first connecting member 381 and the second connecting member 382. For example, the first connecting member 381 and the second connecting member 382 can be together in the second region (A2).

[0427] The first and second portions of the connecting member 380 may have different widths (or sizes). The width of the first portion of the connecting member 380 may be smaller than the width of the second portion. For example, the width of the connecting member 380 in the first region (A1) and the third region (A3) may be smaller than the width of the connecting member 380 in the second region (A2). Thus, the connecting member 380 may include first and second portions having different sizes (or widths) and thicknesses.

[0428] The second connecting member 382 may be located at the edge of the first connecting member 381. The second connecting member 382 may be configured to be laminated to the first connecting member 381 in the second portion. For example, the second connecting member 382 may be configured to be laminated to the first connecting member 381 in the second region (A2). This allows the thickness (T1+T2) of the second portion of the connecting member 380 to be greater than the thickness (T1) of the first portion, so that the edge portion of the enclosure 310 can be connected to (or contact) the vehicle interior material 130 without lifting up. For example, the second connecting member 382 may be a cushioning member or a padding member, although the embodiments of the present specification are not limited thereto.

[0429] The first connecting member 381 may be substantially the same as the connecting member 380 described in Figures 25A to 25C and 31 to 43. Therefore, since the description of the first connecting member 381 is substantially the same as that described in Figures 25A to 25C and 31 to 43, the same reference numerals are used therefor, and redundant description thereof may be omitted or simplified.

[0430] The second connecting member 382 may include the same material as the first connecting member 381, although examples herein are not limited thereto. For example, one of the first connecting member 381 and the second connecting member 382 may be made of a material having a relatively high elasticity (or Young's modulus). One of the first connecting member 381 and the second connecting member 382 may be made of a highly elastic rubber, etc., although examples herein are not limited thereto. One of the first connecting member 381 and the second connecting member 382 may be made of a material having a relatively high elasticity (or Young's modulus) and a relatively high tensile strength. For example, one of the first connecting member 381 and the second connecting member 382 may include a rubber material or may be made of ethylene propylene diene rubber (or ethylene propylene diene M-class rubber), ethylene propylene rubber, or urethane rubber. For example, the ethylene propylene rubber may be ethylene propylene diene monomer (EPDM), although examples herein are not limited thereto. For example, the hardness of EPDM may be 40 to 90, and the examples of the present specification are not limited thereto. For example, the tensile strength of EPDM is 50 kg / cm 2 ~200kg / cm 2 For example, the minimum elongation rate of EPDM may be 200%, but the examples herein are not limited thereto. For example, the use temperature of EPDM may be -30°C to 110°C, but the examples herein are not limited thereto.

[0431] According to embodiments of the present specification, the coupling member 320 may be made of a different material from the connecting member 380. For example, at least one of the first connecting member 381 and the second connecting member 382 may be made of a material having higher elasticity than the coupling member 320.

[0432] According to embodiments herein, the width of the connecting member 380 in the second portion may be greater than the width of the joining member 320. For example, the width of the connecting member 380 in the second region (A2) may be greater than the width of the joining member 320.

[0433] According to an embodiment of the present specification, each of the first connecting member 381 and the second connecting member 382 of the connecting member 380 has a compressive force (or contractive force) and an elastic restoring force, and can be contracted or compressed by the connection between the connecting portion 500 and the first enclosure 311. For example, the first connecting member 381 disposed (or interposed) between the first enclosure 311 and the vehicle interior material 130 can have a first thickness (T1) compressed by the pressure force of the first enclosure 311. The second connecting member 382 disposed (or interposed) between the first enclosure 311 and the vehicle interior material 130 can have a second thickness (T2) compressed by the pressure force of the first enclosure 311.

[0434] The first thickness (T1) of the first connecting member 381 may be the same as or different from the second thickness (T2) of the second connecting member 382. The first thickness (T1) of the first connecting member 381 and the second thickness (T2) of the second connecting member 382 may be 0.5 mm or more, although the embodiments of the present specification are not limited thereto. For example, the first thickness (T1) of the first connecting member 381 and the second thickness (T2) of the second connecting member 382 may be 0.5 mm to 3 mm, although the embodiments of the present specification are not limited thereto.

[0435] The acoustic device 30 according to other embodiments of the present specification may further include an air gap (AG) in a region between the enclosure 310 and the vehicle interior material 130. For example, the air gap (AG) may be in a region between the first portion of the connecting member 380 and the vehicle interior material 130, or in a region between the first portion and the second portion of the connecting member 380. For example, the air gap (AG) may be in a third region (A3) between the first region (A1) and the second region (A2) of the enclosure 310. For example, the air gap (AG) may be in a region between the third region (A3) of the enclosure 310 and the vehicle interior material 130. For example, by providing the air gap (AG) in the third area (A3) between the first area (A1) and the second area (A2) of the enclosure 310, it is possible to separate or minimize interference between the vibrations of the first area (A1) and the vibrations of the second area (A2), thereby increasing the vibration force (or vibration amount) transmitted from the second area (A2) of the enclosure 310, for example, from the edge portion, to the vehicle interior material 130. This allows the range (reproduction range) of the bass band to be expanded, thereby further improving the acoustic characteristics and / or sound pressure characteristics of the bass band.

[0436] According to an embodiment of the present specification, by configuring the connecting member 380 to include first and second portions having different thicknesses, it is possible to provide an acoustic device 30 with further improved acoustic characteristics and / or sound pressure characteristics in the low-frequency range. According to an embodiment of the present specification, by configuring the second connecting member 382, ​​it is possible to expand the vibration area (or vibration region) of the roof trim when connecting the acoustic device 30 to the roof trim of a vehicle, thereby further improving the acoustic characteristics and / or sound pressure characteristics in the low-frequency range.

[0437] FIG. 44 is a diagram showing a method of connecting the acoustic device shown in FIG. 43 and the connecting portion according to another embodiment of the present specification.

[0438] 43 and 44 , according to one embodiment of the present specification, the first connecting member 381 of the connecting member 380 may be connected (or attached) to the rear surface (or first or second portion) of the enclosure 310 or the first enclosure 311 such that the hole 380o of the enclosure 310 or the first enclosure 311 overlaps (or is connected to) the opening 310o, and the second connecting member 382 of the connecting member 380 may be connected (or attached) to an edge portion (or second portion) of the first connecting member 381. The enclosure 310 or the first enclosure 311 may be placed on the vehicle interior material 130 such that the opening 310o overlaps (or is connected to) the hole 135 of the vehicle interior material 130. The connecting portion 500 may be connected or coupled to the acoustic device 30 or the enclosure 310 through the hole 135 of the vehicle interior material 130 (in the direction of the arrow) in the interior space of the vehicle. For example, the connecting portion 500 may be connected or coupled to the acoustic device 30 or the enclosure 310 in the interior space of the vehicle through the second hole 135 of the vehicle interior material 130 and the hole 380o of the first connecting member 381 (in the direction of the arrow). For example, the connecting portion 500 may be received or inserted into the second hole 135 of the vehicle interior material 130, the hole 380o of the first connecting member 381, and the opening 310o of the first enclosure 311 in the interior space of the vehicle. For example, the hook member 504 of the coupling portion 500 may be connected or coupled to the opening 310o of the first enclosure 311. For example, the hook member 504 of the coupling portion 500 may be inserted (or received) into the opening 310o of the first enclosure 311 and connected or coupled to the slot 311g of the first enclosure 311 by a hook coupling method. Therefore, the first enclosure 311 is connected to (or in contact with) the vehicle interior material 130 by connection with the connecting portion 500 and the first connecting member 381 and the second connecting member 382, ​​and can vibrate the vehicle interior material 130 through the vibration of the vibration device to output sound.

[0439] The first connecting member 381 may have an initial thickness (T1') before compression (or contraction), and may be compressed (or contracted) to a deformed thickness (or compressed thickness) (T1) due to pressure applied from the enclosure 310 when the connecting unit 500 and the enclosure 310 are connected (or coupled). For example, when the connecting unit 500 is connected (or coupled) to the enclosure 310, the thickness of the first connecting member 381 may be compressed from the initial thickness (T1') to the compressed thickness (T1) due to pressure applied from the enclosure 310, so that vibrations in the first region (A1) in the first enclosure 311 may be efficiently transmitted to the vehicle interior material 130 via the first portion of the first connecting member 381. For example, when the connecting unit 500 is separated (or detached) from the vehicle interior material 130, the first connecting member 381 may be restored from the deformed thickness (T1) to the initial thickness (T1') due to an elastic restoring force.

[0440] The second connecting member 382 may have an initial thickness (T2') before compression (or contraction), and may be compressed (or contracted) to a deformed thickness (or compressed thickness) (T2) by the pressure applied from the enclosure 310 when the connecting unit 500 and the enclosure 310 are connected (or coupled). For example, when the connecting unit 500 is connected (or coupled) to the enclosure 310, the thickness of the second connecting member 382 may be compressed from the initial thickness (T2') to the compressed thickness (T2) by the pressure applied from the enclosure 310, so that vibrations in the second region (A2) in the first enclosure 311 may be efficiently transmitted to the vehicle interior material 130 via the first connecting member 381 and the second connecting member 382. For example, when the acoustic device 30 is separated (or detached) from the vehicle interior material 130 by separating the connecting portion 500, the second connecting member 382 can be restored from the deformed thickness (T2) to the initial thickness (T2') due to the elastic restoring force.

[0441] The vehicle interior material 130 connected to (or in contact with) the enclosure 310 or the first enclosure 311 can be deformed to include a bent portion or at least one curved portion due to the connection (or coupling) between the coupling portion 500 and the enclosure 310, and thus, lifting that occurs between the edge portion of the enclosure 310 or the first enclosure 311 and the vehicle interior material 130 can be prevented by the second portion of the connecting member 380, which has a relatively large thickness. This allows vibrations at the edge portion of the enclosure 310 or the first enclosure 311 caused by vibration of the vibrating device to be transmitted to the vehicle interior material 130 without loss, improving the efficiency of vibration transmission from the enclosure 310 to the vehicle interior material 130 and further improving the acoustic characteristics and / or sound pressure characteristics in the low-frequency range.

[0442] FIG. 45 is a diagram showing an acoustic device according to another embodiment of the present specification.

[0443] Figure 45 shows an acoustic device 30 described with reference to Figure 43, to which a protective member is further added. In the following description, the protective member will be described in detail, and the remaining components are substantially the same as those described with reference to Figures 1 to 34, so the same reference numerals will be used and redundant description thereof will be omitted or simplified.

[0444] 45, an acoustic device 30 according to another embodiment of the present specification may further include a protective member 410. The protective member 410 is substantially the same as the protective member 410 described in FIG. 33, and therefore, redundant description thereof may be omitted or simplified.

[0445] The protective member 410 according to the embodiments of the present specification may be disposed on the sound-generating module 330. For example, the protective member 410 may cover the sound-generating module 330. For example, the protective member 410 may be disposed on the second vibrating device 335. For example, the protective member 410 may cover the second vibrating device 335.

[0446] According to an embodiment of the present specification, the protective member 410 may be made of rubber or sponge, but the embodiment of the present specification is not limited thereto. For example, the rubber may be ethylene propylene diene rubber (or ethylene propylene diene M class rubber), ethylene propylene rubber, or urethane rubber, but the embodiment of the present specification is not limited thereto. For example, the protective member 410 may include a rubber material or may be made of ethylene propylene diene monomer, ethylene propylene rubber, or urethane rubber.

[0447] According to another embodiment of the present specification, the protective member 410 may be made of highly elastic rubber, but the embodiment of the present specification is not limited thereto. For example, the thickness of the protective member 410 may be 0.5 mm to 2 mm, but the embodiment of the present specification is not limited thereto.

[0448] According to the embodiments of the present specification, by configuring the protective member 410 on the connecting member 380 and the sound generating module 330 having different thicknesses, the acoustic characteristics and / or sound pressure characteristics of the low frequency range can be further complemented and the acoustic device 30 can be protected.

[0449] Fig. 46 is a diagram showing an acoustic device according to another embodiment of the present specification. Fig. 46 shows another embodiment of the connecting member 380 described with reference to Fig. 43 and Fig. 44A. Therefore, in the following description, redundant description of the remaining configuration except for the connecting member 380 can be omitted or simplified.

[0450] Referring to FIG. 46, an acoustic device 30 according to another embodiment of the present specification may further include a connecting member 380.

[0451] The connecting member 380 may include a first portion and a second portion. The second portion may be an edge portion of the enclosure 310. The second portion may be a portion (or region) between the vehicle interior material 130 and the edge portion of the enclosure 310. The first portion may be the remaining portion of the enclosure 310 excluding the edge portion. For example, the first portion may correspond to a central portion of the enclosure 310 surrounded by a second portion corresponding to the edge portion of the enclosure 310.

[0452] According to an embodiment of the present specification, the first portion of the connecting member 380 may include an opening hole 380o that is connected to the internal space 313 of the enclosure 310. For example, the first portion may include an opening hole 380o that is connected to the internal space 313 of the first enclosure 311.

[0453] According to embodiments herein, the enclosure 310 or the first enclosure 311 may include at least one region. For example, the enclosure 310 or the first enclosure 311 may include a first region (A1), a second region (A2), and a third region (A3).

[0454] The first region (A1) may correspond to a central portion of the enclosure 310 or the first enclosure 311. The first region (A1) may be located in the central portion of the enclosure 310 or the first enclosure 311. The second region (A2) may correspond to an edge portion surrounding the central portion of the enclosure 310 or the first enclosure 311. The third region (A3) may be located between the first region (A1) and the second region (A2). For example, the first portion of the connecting member 380 may be located in the first region (A1). For example, the second portion of the connecting member 380 may be located in the second region (A2) away from the first portion. For example, the second portion of the connecting member 380 may be located in the second region (A2) away from the first region. For example, the first portion of the connecting member 380 may be located in the central portion of the enclosure 310. For example, the second portion of the connecting member 380 may be located in the edge portion of the enclosure 310 away from the first region.

[0455] According to an embodiment of the present specification, the first and second portions of the connecting member 380 may have different thicknesses (T3, T4). For example, the connecting member 380 may include a first portion and a second portion having different thicknesses (T3, T4). In the connecting member 380, the thickness (T3) of the first portion may be different from the thickness (T4) of the second portion. For example, in the connecting member 380, the thickness (T4) of the second portion may be thicker than the thickness (T3) of the first portion. For example, the thickness (T3) of the connecting member 380 in the first region (A1) may be different from the thickness (T4) of the connecting member 380 in the second region (A2). For example, the thickness (T4) of the connecting member 380 in the second region (A2) may be thicker than the thickness (T3) of the connecting member 380 in the first region (A1). For example, the connecting member 380 may not be disposed in the third region (A3) between the first region (A1) and the second region (A2) or in the portion between the first portion and the second portion.

[0456] According to the embodiment of the present specification, the second portion of the connecting member 380 has a thickness (T4) greater than that of the first portion, so that the edge portion of the connecting member 380 can be connected to or contact the vehicle interior material 130 without lifting up. This prevents the edge portion of the connecting member 380 from lifting up from the vehicle interior material 130, and vibrations within the edge portion of the enclosure 310 can be transmitted to the vehicle interior material 130 without loss of vibration (or vibration transmission) at the edge portion of the enclosure 310. Vibrations at the edge portion of the enclosure 310 increase the vibration area of ​​the vehicle interior material 130, thereby further improving or complementing the acoustic characteristics of the low-frequency range. Therefore, sound generated by vibration of the acoustic device 30 can be transmitted to the vehicle interior material 130 without loss, thereby further improving the sound in the low-frequency range. For example, sound generated by vibration of the acoustic device 30 can be transmitted to the vehicle interior material 130 through the opening 310o and the edge portion of the enclosure 310, thereby increasing the efficiency of vibration transmitted from the enclosure 310 to the vehicle interior material 130 and further improving the acoustic characteristics and / or sound pressure characteristics in the low-frequency range.

[0457] According to embodiments herein, the connecting member 380 may include a first connecting member 383 and a second connecting member 384 .

[0458] The first connecting member 381 may be connected to the enclosure 310. The first connecting member 381 may be located in the first portion. The first connecting member 383 may be located only in the first portion of the first and second portions. The first connecting member 383 may be connected to (or attached to) the first region (A1) of the enclosure 310. For example, the first connecting member 383 may be connected to (or attached to) the back surface of the first enclosure 311 corresponding to the first portion of the first and second portions. For example, the first connecting member 383 may be connected to (or attached to) the center portion (or the back center portion) of the first enclosure 311. For example, the first connecting member 383 may be connected to (or attached to) only the first region (A1) of the first to third regions (A1, A2, A3) of the enclosure 310.

[0459] According to an embodiment of the present specification, the first connecting member 383 may include an opening hole 380o in the first portion and connected to the internal space 313 of the enclosure 310. For example, the first connecting member 383 may include an opening hole 380o in the first portion and connected to the internal space 313 of the first enclosure 311.

[0460] The second connecting member 384 can be located in the second portion. The second connecting member 384 can be located only in the second portion of the first and second portions and can be spaced apart from the first connecting member 383. The second connecting member 384 can be located in the second portion of the first and second portions to surround the first connecting member 383 with an air gap (AG) therebetween. The second connecting member 384 can be connected to (or attached to) the second area (A2) of the enclosure 310. For example, the second connecting member 384 can be connected to (or attached to) the back surface of the first enclosure 311 corresponding to the first portion of the first and second portions. For example, the second connecting member 384 can be connected to (or attached to) an edge portion (or back edge portion) of the first enclosure 311. For example, the second connecting member 384 may be connected to (or attached to) only the second region (A2) of the first to third regions (A1, A2, A3) of the enclosure 310.

[0461] The first and second portions of the connecting member 380 may have different widths (or sizes). The width of the first portion may be smaller than the width of the second portion. For example, the width of the first connecting member 383 in the first region (A1) may be smaller than the width of the second connecting member 384 in the second region (A2). Thus, the first connecting member 383 and the second connecting member 384 may have different sizes (or widths) and thicknesses.

[0462] Each of the first connecting member 383 and the second connecting member 384 may be a cushion member or a pad member, and the embodiments of the present specification are not limited thereto.

[0463] The first connecting member 383 may include the same substance (or material) as the second connecting member 384. Each of the first connecting member 383 and the second connecting member 384 may be made of a highly elastic rubber or the like, although the embodiments of the present specification are not limited thereto. For example, each of the first connecting member 383 and the second connecting member 384 may include a rubber material or be made of ethylene propylene diene rubber (or ethylene propylene diene M-class rubber), ethylene propylene rubber, or urethane rubber.

[0464] According to embodiments herein, the width of the connecting member 380 in the second portion may be greater than the width of the joining member 320. For example, the width of the second connecting member 384 may be greater than the width of the joining member 320. For example, the width of the connecting member 380 in the second region (A2) may be greater than the width of the joining member 320.

[0465] According to an embodiment of the present specification, each of the first connecting member 383 and the second connecting member 384 of the connecting member 380 has a compressive force (or contractive force) and an elastic restoring force, and can be contracted or compressed by the connection between the connecting portion 500 and the first enclosure 311. For example, the first connecting member 383 disposed (or interposed) between the first enclosure 311 and the vehicle interior material 130 can have a first thickness (T3) compressed by the pressure force of the first enclosure 311. The second connecting member 384 disposed (or interposed) between the first enclosure 311 and the vehicle interior material 130 can have a second thickness (T4) compressed by the pressure force of the first enclosure 311.

[0466] The first thickness (T3) of the first connecting member 381 may be different from the second thickness (T4) of the second connecting member 382. The first thickness (T3) of the first connecting member 383 and the second thickness (T4) of the second connecting member 384 may be 0.5 mm or more, although the embodiments of the present specification are not limited thereto. For example, the first thickness (T3) of the first connecting member 383 and the second thickness (T4) of the second connecting member 384 may be 0.5 mm to 3 mm, although the embodiments of the present specification are not limited thereto. For example, the first thickness (T3) of the first connecting member 383 and the second thickness (T4) of the second connecting member 384 may have different thicknesses from each other within a range of 0.5 mm to 3 mm. For example, the second thickness (T4) of the second connecting member 384 may be thicker than the first thickness (T3) of the first connecting member 383 within a range of 0.5 mm to 3 mm.

[0467] The acoustic device 30 according to other embodiments of the present specification may further include an air gap (AG). For example, the air gap (AG) may be located in the region between the first portion of the connecting member 380 and the vehicle interior material 130, or in the region between the first portion and the second portion of the connecting member 380. For example, the air gap (AG) may be located in a third region (A3) between the first region (A1) and the second region (A2) of the enclosure 310. For example, the air gap (AG) may be located in the region between the third region (A3) of the enclosure 310 and the vehicle interior material 130. For example, by providing the air gap (AG) in the third area (A3) between the first area (A1) and the second area (A2) of the enclosure 310, it is possible to separate or minimize interference between the vibrations of the first area (A1) and the vibrations of the second area (A2), thereby increasing the vibration force (or vibration amount) transmitted from the second area (A2) of the enclosure 310, for example, from the edge portion, to the vehicle interior material 130. This allows the range (reproduction range) of the bass band to be expanded, thereby further improving the acoustic characteristics and / or sound pressure characteristics of the bass band.

[0468] According to an embodiment of the present specification, by configuring the first and second connecting members 383, 384 to include first and second portions having different thicknesses, it is possible to provide an acoustic device 30 with further improved acoustic characteristics and / or sound pressure characteristics in the low-frequency range. According to an embodiment of the present specification, by configuring the second connecting member 384, it is possible to widen the vibration area (or vibration region) of the roof trim when connecting the acoustic device 30 to the roof trim of a vehicle, thereby further improving the acoustic characteristics and / or sound pressure characteristics in the low-frequency range.

[0469] FIG. 47 is a diagram showing a method of connecting the acoustic device shown in FIG. 46 and the connecting portion according to another embodiment of the present specification.

[0470] 46 and 47 , according to one embodiment of the present specification, the first connecting member 383 of the connecting member 380 may be connected to (or attached to) a central portion (or first portion) of the enclosure 310 or the first enclosure 311 such that the hole 380o of the enclosure 310 or the first enclosure 311 overlaps (or is connected to) the opening 310o, and the second connecting member 384 of the connecting member 380 may be connected to (or attached to) an edge portion (or second portion) of the enclosure 310 or the first enclosure 311. The enclosure 310 or the first enclosure 311 may be placed on the vehicle interior material 130 such that the opening 310o overlaps (or is connected to) the hole 135 of the vehicle interior material 130. The coupling portion 500 may be coupled to or connected to the acoustic device 30 or the enclosure 310 through the hole 135 of the vehicle interior material 130 (in the direction of the arrow) in the interior space of the vehicle. For example, the connecting portion 500 may be connected or coupled to the acoustic device 30 or the enclosure 310 in the interior space of the vehicle through the second hole 135 of the vehicle interior material 130 and the hole 380o of the first connecting member 383 (in the direction of the arrow). For example, the connecting portion 500 may be received or inserted into the hole 135 of the vehicle interior material 130, the hole 380o of the first connecting member 383, and the opening 310o of the first enclosure 311 in the interior space of the vehicle. For example, the hook member 504 of the coupling portion 500 may be connected or coupled to the opening 310o of the first enclosure 311. For example, the hook member 504 of the coupling portion 500 may be inserted (or received) into the opening 310o of the first enclosure 311 and connected or coupled to the slot 311g of the first enclosure 311 by a hook coupling method. Therefore, the first enclosure 311 is connected to (or in contact with) the vehicle interior material 130 by connection with the connecting portion 500 and the first connecting member 383 and the second connecting member 384, and can vibrate the vehicle interior material 130 through the vibration of the vibration device to output sound.

[0471] The first connecting member 383 may have an initial thickness (T3') before compression (or contraction), and may be compressed (or contracted) to a deformed thickness (or compressed thickness) (T3) by the pressure applied from the enclosure 310 when the connecting unit 500 and the enclosure 310 are connected (or coupled). For example, when the connecting unit 500 is connected (or coupled) to the enclosure 310, the thickness of the first connecting member 383 may be compressed from the initial thickness (T3') to the compressed thickness (T3) by the pressure applied from the enclosure 310, so that vibrations of the first region (A1) in the first enclosure 311 may be efficiently transmitted to the vehicle interior material 130 via the first connecting member 383. For example, when the connecting unit 500 is separated (or detached) from the vehicle interior material 130, the first connecting member 383 may be restored from the deformed thickness (T3) to the initial thickness (T3') by an elastic restoring force.

[0472] The second connecting member 384 may have an initial thickness (T2') before compression (or contraction), and may be compressed (or contracted) to a deformed thickness (or compressed thickness) (T2) by the pressure applied from the enclosure 310 when the connecting portion 500 and the enclosure 310 are connected (or coupled). For example, when the connecting portion 500 is connected (or coupled) to the enclosure 310, the thickness of the second connecting member 382 may be compressed from the initial thickness (T2') to the compressed thickness (T2) by the pressure applied from the enclosure 310, so that vibrations in the second region (A2) in the first enclosure 311 may be efficiently transmitted to the vehicle interior material 130 via the first connecting member 381 and the second connecting member 382. For example, when the acoustic device 30 is separated (or detached) from the vehicle interior material 130 by separating the connecting portion 500, the second connecting member 382 can be restored from the deformed thickness (T2) to the initial thickness (T2') due to the elastic restoring force.

[0473] The vehicle interior material 130 connected to (or in contact with) the enclosure 310 or the first enclosure 311 can be deformed to include a bent portion or at least one curved portion due to the connection (or coupling) between the coupling portion 500 and the enclosure 310, and thus, lifting that occurs between the edge portion of the enclosure 310 or the first enclosure 311 and the vehicle interior material 130 can be prevented by the second coupling member 384, which has a relatively large thickness. This allows vibrations at the edge portion of the enclosure 310 or the first enclosure 311 caused by vibration of the vibrating device to be transmitted to the vehicle interior material 130 without loss, improving the efficiency of vibration transmission from the enclosure 310 to the vehicle interior material 130 and further improving the acoustic characteristics and / or sound pressure characteristics in the low-frequency band.

[0474] FIG. 48 is a diagram showing an acoustic device according to another embodiment of the present specification.

[0475] Figure 48 shows an acoustic device 30 described with reference to Figure 46, to which a protective member is further added. In the following description, the protective member will be described in detail, and the remaining components are substantially the same as those described with reference to Figures 1 to 34, so the same reference numerals will be used and redundant description thereof will be omitted or simplified.

[0476] 48, an acoustic device 30 according to another embodiment of the present specification may further include a protective member 410. The protective member 410 is substantially the same as the protective member 410 described in FIG. 33, and therefore, a redundant description thereof may be omitted or simplified.

[0477] The protective member 410 according to the embodiments of the present specification may be disposed on the sound-generating module 330. For example, the protective member 410 may cover the sound-generating module 330. For example, the protective member 410 may be disposed on the second vibrating device 335. For example, the protective member 410 may cover the second vibrating device 335.

[0478] According to an embodiment of the present specification, the protective member 410 may be made of rubber or sponge, but the embodiment of the present specification is not limited thereto. For example, the rubber may be ethylene propylene diene rubber (or ethylene propylene diene M class rubber), ethylene propylene rubber, or urethane rubber, but the embodiment of the present specification is not limited thereto. For example, the protective member 410 may include a rubber material or may be made of ethylene propylene diene rubber, ethylene propylene rubber, or urethane rubber.

[0479] According to an embodiment of the present specification, the protective member 410 may be made of highly elastic rubber, but the embodiment of the present specification is not limited thereto. For example, the thickness of the protective member 410 may be 0.5 mm to 2 mm, but the embodiment of the present specification is not limited thereto.

[0480] According to the embodiments of the present specification, by configuring the protective member 410 on the connecting member 380 including the first and second connecting members 383, 384 having different thicknesses (T3, T4) and the sound generating module 330, the acoustic characteristics and / or sound pressure characteristics of the low frequency range can be further complemented and the acoustic device 30 can be protected.

[0481] Figure 49 is a diagram illustrating a vibration device according to one embodiment of the present specification. Figure 50 is a cross-sectional view taken along line II' in Figure 49 according to one embodiment of the present specification. Figure 51 is a cross-sectional view taken along line II-II' in Figure 49 according to one embodiment of the present specification.

[0482] 49 to 51, a sound generating module 330 according to an embodiment of the present specification may include vibration devices 333 and 335. The vibration devices 333 and 335 may include one or more vibration generators 1310.

[0483] The vibration generator 1310 may include a piezoelectric material having piezoelectric properties. The vibration generator 1310 may vibrate (or displace or drive) a vibrating member (or vehicle interior material) by vibrating (or displacing or driving) the piezoelectric material in response to a drive signal (or voice signal or acoustic signal) applied to the piezoelectric material. For example, the vibration generator 1310 may vibrate (or displace or drive) by alternately contracting and / or expanding due to the piezoelectric effect (or piezoelectric properties). For example, the vibration generator 1310 may vibrate (or displace or drive) in the vertical direction (or thickness direction) (Z) by alternately contracting and / or expanding due to the inverse piezoelectric effect of the piezoelectric material. For example, the vibration generator 1310 may vibrate or mechanically displace (or vibrate or drive) a piezoelectric material including a piezoelectric ceramic in response to an externally applied electrical signal.

[0484] The vibration generator 1310 may be made of a ceramic piezoelectric material capable of realizing relatively strong vibrations, or may be made of a piezoelectric ceramic having a perovskite crystal structure. For example, the vibration generator 1310 may be a vibration generating element, a vibration film, a vibration generating film, a vibrator, an active vibrator, an active vibration generator, an actuator, an exciter, a film actuator, a film exciter, an ultrasonic actuator, or an active vibration member, and the embodiments herein are not limited thereto.

[0485] The vibration generator 1310 according to an embodiment of the present disclosure may include a vibration generating unit 1311 .

[0486] The vibration generating unit 1311 may be configured to vibrate due to the piezoelectric effect in response to a drive signal. For example, the vibration generating unit 1311 may include a piezoelectric vibration unit. The vibration generating unit 1311 may include at least one of a piezoelectric inorganic material and a piezoelectric organic material. For example, the vibration generating unit 1311 may be a vibration element, a piezoelectric element, a piezoelectric element unit, a piezoelectric element layer, a piezoelectric structure, a piezoelectric vibration unit, or a piezoelectric vibration layer, but the embodiments of the present specificati...

Claims

1. An acoustic device disposed in an interior material exposed to an interior space, a sound generating module including a vibrating member and a vibration device configured on the vibrating member; an enclosure connected to the vibrating member across an internal space; and a connecting member connected to the enclosure; the connecting member includes a first portion and a second portion having different thicknesses; the second portion is disposed at an edge portion of the enclosure and is connected to or in contact with the interior material on the side opposite the enclosure; the first portion is disposed in a remaining portion of the enclosure excluding an edge portion thereof, and is connected to or in contact with the interior material on the side opposite to the enclosure; The second portion has a thickness greater than a thickness of the first portion.

2. The enclosure comprises: a first region corresponding to the central portion; a second region corresponding to an edge portion surrounding the central portion; and a third region between the first region and the second region; the first portion is in the first region and the third region; The acoustic device of claim 1 , wherein the second portion is in the second region.

3. The acoustic device of claim 1 , wherein the width of the second portion is smaller than the width of the first portion.

4. The connecting member is a first connecting member connected to the enclosure; and a second connecting member connected to a portion of the first connecting member; the first portion includes only the first connecting member of the first connecting member and the second connecting member, The acoustic device of claim 1 , wherein the second portion includes both the first connecting member and the second connecting member.

5. The acoustic device according to claim 4 , wherein the second connecting member is laminated to the first connecting member at the second portion.

6. The acoustic device of claim 4 , wherein the second connecting member is at an edge of the first connecting member.

7. The acoustic device of claim 4 , wherein the first connecting member comprises the same material as the second connecting member.

8. further comprising a coupling member between the enclosure and the vibration member; The acoustic device of claim 1 , wherein the connecting member comprises a different material than the joining member.

9. The acoustic device of claim 8 , wherein the width of the second portion is greater than the width of the connecting member and less than the width of the first portion.

10. further comprising a coupling member between the enclosure and the vibration member; The acoustic device of claim 4 , wherein at least one of the first and second connecting members comprises a material having a higher elasticity than the joining member.

11. The acoustic device of claim 4 , wherein at least one of the first connecting member and the second connecting member comprises a rubber material, or comprises ethylene propylene diene monomer, ethylene propylene rubber, or urethane rubber.

12. The enclosure comprises: a first region corresponding to the central portion; a second region corresponding to an edge portion surrounding the central portion; and a third region between the first region and the second region; the first portion is in the first region; The acoustic device of claim 1 , wherein the second portion is spaced apart from the first portion and is in the second region.

13. the first portion is in a central portion of the enclosure; 2. The acoustic device of claim 1, wherein the second portion is spaced apart from the first portion and is at an edge portion of the enclosure.

14. 14. The acoustic device of claim 13, wherein the width of the second portion is less than the width of the first portion.

15. The connecting member is a first connecting member in the first portion and connected to the central portion of the enclosure; and 14. The acoustic device of claim 13, including a second connecting member in the second portion and connected to the edge portion of the enclosure.

16. 16. The acoustic device of claim 15, wherein at least one of the first connecting member and the second connecting member comprises a rubber material, or comprises ethylene propylene diene monomer, ethylene propylene rubber, or urethane rubber.

17. the vibration device includes one or more vibration generators; The one or more vibration generators a vibration part including a piezoelectric material; a first electrode portion on a first surface of the vibration portion; and The acoustic device according to claim 1 , further comprising a second electrode portion on a second surface of the vibration portion that is different from the first surface.

18. The one or more vibration generators include: a first cover member on the first electrode portion; a second cover member on the second electrode portion; the signal supplying member is electrically connected to the first electrode portion and the second electrode portion, The acoustic device according to claim 17 , wherein a portion of the signal supply member is housed between the first cover member and the second cover member.

19. The vibration device is a first vibrating device configured on a first surface of the vibrating member; and The acoustic device of claim 1 , further comprising a second vibrating device configured on a second surface of the vibrating member that is different from the first surface.

20. the enclosure is coupled to the first surface of the vibrating member and includes an inner surface facing the vibrating member and an outer surface opposite the inner surface; 20. The acoustic device of claim 19, wherein the coupling member is coupled to the exterior surface of the enclosure.

21. The acoustic device of claim 1 , wherein the enclosure includes an opening connected to the interior space.

22. The enclosure comprises: a first enclosure having the opening; and further comprising a second enclosure coupled to the first enclosure; 22. The acoustic device of claim 21, wherein the sound-generating module is configured in the interior space between the first enclosure and the second enclosure.

23. the first enclosure includes an inner surface facing the vibration member and an outer surface opposite the inner surface; 23. The acoustic device of claim 22, wherein the connecting member is connected to the periphery of the opening in the outer surface of the first enclosure.

24. the vibration member is configured between the first enclosure and the second enclosure; The vibration device is a first vibrating device coupled to a first surface of the vibrating member; and 23. An acoustic device as claimed in claim 22, comprising a second vibrating device coupled to a second surface of the vibrating member that is different from the first surface, or coupled to the first vibrating device.

25. the vibration member is configured to cover an interior space of the enclosure; The acoustic device of claim 1 , wherein the enclosure is coupled to an edge portion of the vibrating member and includes an opening connected to the interior space.

26. The vibration device is a first vibrating device configured on a first surface of the vibrating member; and 26. An acoustic device as claimed in claim 25, comprising a second vibrating device coupled to a second surface of the vibrating member that is different from the first surface or coupled to the first vibrating device.

27. 26. The acoustic device of claim 25, wherein the vibrating member further comprises at least one hole in the periphery of the vibrating device.

28. further comprising a protective member on the second vibration device; 27. The acoustic device of claim 26, wherein the protective member comprises a different material than the connecting member.

29. the vibration member further includes at least one hole located on the periphery of the vibration device; The acoustic device of claim 28 , wherein the protective member includes at least one or more connecting holes connected to the at least one or more holes.

30. The interior material includes at least one sound generating device that outputs sound into the interior space, A transport device, wherein the at least one sound-generating device comprises an acoustic device according to any one of claims 1 to 29.

31. 31. The transportation device of claim 30, wherein the coupling member of the at least one sound-emitting device is between the interior material and the enclosure.

32. 32. The transportation device of claim 31, further comprising an air gap in a region between the first portion of the connecting member and the interior material or in a region between the first portion and the second portion of the connecting member.

Images