Sound apparatus and vehicle apparatus including the same

Abstract

The present disclosure provides a sound apparatus and a vehicle apparatus including the sound apparatus. The sound device includes: a housing including an internal space; a sound generating module in the interior space of the housing; and a coupling member partially disposed between the housing and the sound generating module.

Description

[0001] Cross-reference to related applications

[0002] This application claims the benefit of and priority to Korean Patent Application No. 10-2024-0019190, filed on February 7, 2024, which is hereby incorporated by reference in its entirety for all purposes as if fully set forth herein. Technical Field

[0003] The present disclosure relates to a sound device and a vehicle device including the sound device. Background Art

[0004] A vehicle includes an audio device that outputs sound based on an audio signal output from a multimedia device such as a car audio device. For example, the audio device applied to a vehicle may include a front speaker and a rear speaker configured as a coil type.

[0005] However, coil-type devices may be limited in their ability to output multi-channel, realistic sound or stereo sound through front and rear speakers. Furthermore, while increasing the number of speakers in a vehicle can produce stereo sound, increasing the number of speakers is limited due to the size of coil-type speakers and space constraints in the vehicle, making it impossible to use coil-type devices to provide realistic sound or stereo sound. Summary of the Invention

[0006] The inventors of the present disclosure have recognized the problems and shortcomings of the related art and have conducted extensive research and experiments to enhance the sound characteristics and / or sound pressure level characteristics of a sound device for a vehicle. Based on the extensive research and experiments, the inventors have invented a sound device and a vehicle device including the sound device that can enhance the sound characteristics and / or sound pressure level characteristics.

[0007] One aspect of the present disclosure is to provide a sound device and a vehicle device including the sound device that can enhance sound characteristics and / or sound pressure level characteristics.

[0008] One aspect of the present disclosure is directed to providing a sound device and a vehicle device including the sound device, which can enhance sound characteristics and / or sound pressure level characteristics in a tonal vocal range including mid- and low-pitched vocal range sounds.

[0009] Additional features, advantages, and aspects will be set forth in the following description and, in part, will become apparent from the description, or may be learned by practice of the inventive concepts provided herein. Other features, advantages, and aspects of the present disclosure may be realized and obtained by the structures particularly pointed out in the written description, or by the structures that can be derived from the written description and the claims and drawings.

[0010] To achieve these and other advantages and aspects of the present disclosure, as embodied and broadly described herein, in one or more aspects, a sound device includes: a shell including an interior space; a sound generating module in the interior space of the shell; and a coupling member partially disposed between the shell and the sound generating module.

[0011] In one or more aspects, a vehicle device includes: an interior material exposed to an interior space; and at least one or more sound generating devices connected to the interior material and configured to output sound into the interior space. The at least one or more sound generating devices include: a housing including the interior space; a sound generating module within the interior space of the housing; and a coupling member partially disposed between the housing and the sound generating module.

[0012] In one or more aspects, a vehicle device includes: an interior material exposed at an interior space; and at least one or more sound devices as described above connected to the interior material and configured to output sound to the interior space.

[0013] Details of other exemplary embodiments are included in the detailed description and drawings of the present disclosure.

[0014] Based on the sound device and the vehicle device including the sound device according to one or more embodiments of the present disclosure, it is possible to enhance sound characteristics and / or sound pressure level characteristics.

[0015] Based on the sound device and the vehicle device including the sound device according to one or more embodiments of the present disclosure, it is possible to enhance sound characteristics and / or sound pressure level characteristics in a tonal vocal range including mid- and low-pitched vocal range sounds.

[0016] Based on the sound device and vehicle device including the sound device according to one or more embodiments of the present disclosure, multiple holes can be configured at the shell, and thus, the sound characteristics and / or sound pressure level characteristics in a specific tone band (or specific frequency) can be additionally enhanced.

[0017] Based on the sound device and the vehicle device including the sound device according to one or more embodiments of the present disclosure, the signal supply member and the vibration generating portion can be configured as one portion (or one component), thereby achieving a single material effect.

[0018] Other systems, methods, features, and advantages will be or will become apparent to one skilled in the art upon examination of the following figures and detailed description. It is intended that all such additional systems, methods, features, and advantages be included within this description, be within the scope of the present disclosure, and be protected by the following claims. Nothing in this section should be construed as limiting those claims. Other aspects and advantages are discussed below in conjunction with aspects of the present disclosure.

[0019] It is to be understood that both the foregoing description and the following description of the present disclosure are exemplary and explanatory and are intended to provide further explanation of the disclosure as claimed. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings, which are included to provide a further understanding of the disclosure, are incorporated in and constitute a part of this disclosure and illustrate aspects and embodiments of the disclosure and together with the description serve to explain the principles of the disclosure.

[0021] Figure 1 is a diagram illustrating a sound apparatus for a vehicle according to an embodiment of the present disclosure.

[0022] Figure 2 is a diagram illustrating a sound apparatus for a vehicle according to another embodiment of the present disclosure.

[0023] Figure 3 is a perspective view illustrating a sound device according to an embodiment of the present disclosure.

[0024] Figure 4 According to the embodiment of the present disclosure Figure 3 sectional view taken along line II' shown in FIG.

[0025] Figure 5 According to the embodiment of the present disclosure Figure 3 sectional view taken along line II-II' shown in FIG.

[0026] Figure 6 is an exploded perspective view of a sound device according to an embodiment of the present disclosure.

[0027] Figure 7 is a plan view showing a sound generating module and a coupling member in a sound device according to an experimental example.

[0028] Figures 8 to 21 are plan views illustrating various embodiments of a sound generating module and a coupling member in a sound device according to an embodiment of the present disclosure.

[0029] Figures 22 to 26is a plan view illustrating a sound generating module and a coupling member in a sound device according to another embodiment of the present disclosure.

[0030] Figure 27 is a plan view illustrating a sound generating module and a coupling member in a sound device according to another embodiment of the present disclosure.

[0031] Figure 28 is a perspective view of a sound device according to another embodiment of the present disclosure.

[0032] Figure 29 According to the embodiment of the present disclosure Figure 28 sectional view taken along line III-III' shown in FIG.

[0033] Figure 30 According to the embodiment of the present disclosure Figure 28 sectional view taken along line IV-IV' shown in FIG.

[0034] Figure 31 is a perspective view of a sound device according to another embodiment of the present disclosure.

[0035] Figure 32 According to the embodiment of the present disclosure Figure 31 sectional view taken along line VV' shown in FIG.

[0036] Figure 33 is a perspective view of a sound device according to another embodiment of the present disclosure.

[0037] Figure 34 According to the embodiment of the present disclosure Figure 33 VI-VI' is a cross-sectional view taken along the line VI-VI' shown in FIG.

[0038] Figure 35 is a perspective view of a sound device according to another embodiment of the present disclosure.

[0039] Figure 36 According to the embodiment of the present disclosure Figure 35 VII-VII' is a cross-sectional view taken along the line VII-VII' shown in FIG.

[0040] Figure 37 is an exploded perspective view of a sound device according to another embodiment of the present disclosure.

[0041] Figure 38 is a perspective view of a sound device according to another embodiment of the present disclosure.

[0042] Figure 39 According to the embodiment of the present disclosure Figure 38sectional view taken along line VIII-VIII' shown in FIG.

[0043] Figure 40 According to the embodiment of the present disclosure Figure 38 IX-IX' is a cross-sectional view taken along line IX-IX' shown in FIG.

[0044] Figure 41 is a perspective view of a sound device according to another embodiment of the present disclosure.

[0045] Figure 42 is a diagram illustrating a sound device according to another embodiment of the present disclosure.

[0046] Figure 43 is a diagram illustrating a sound device according to another embodiment of the present disclosure.

[0047] Figure 44 According to the embodiment of the present disclosure Figure 43 An exploded perspective view of the sound device is shown in FIG.

[0048] Figure 45 is a cross-sectional view illustrating a sound device according to another embodiment of the present disclosure.

[0049] Figure 46 is a diagram showing an embodiment according to the present disclosure Figure 45 A perspective view of the housing is shown in FIG.

[0050] Figure 47 is a diagram illustrating a vibration device according to an embodiment of the present disclosure.

[0051] Figure 48 According to the embodiment of the present disclosure Figure 47 XX' is a cross-sectional view taken along the line XX' shown in FIG.

[0052] Figure 49 According to the embodiment of the present disclosure Figure 47 1 is a cross-sectional view taken along line XI-XI' shown in FIG.

[0053] Figure 50 is a diagram illustrating a vibration portion according to another embodiment of the present disclosure.

[0054] Figure 51 is a diagram illustrating a vibration portion according to another embodiment of the present disclosure.

[0055] Figure 52 is a diagram illustrating a vibration device according to another embodiment of the present disclosure.

[0056] Figure 53: is a diagram showing a vehicle device according to an embodiment of the present disclosure.

[0057] Figure 54 : is a diagram showing a vehicle device according to an embodiment of the present disclosure.

[0058] Figure 55 It shows the settings Figure 53 and Figure 54 FIG. 4 is a diagram of a sound generating device at the roof of a vehicle device shown in FIG.

[0059] Figure 56 It shows the settings Figure 53 and Figure 54 FIG. 4 is a diagram of a sound generating device at the roof and seat of a vehicle device shown in FIG.

[0060] Figure 57 : is a graph showing sound output characteristics of sound devices according to the embodiment and experimental examples of the present disclosure.

[0061] Figure 58 : is a graph showing sound output characteristics of sound devices according to the embodiment and experimental examples of the present disclosure.

[0062] Figure 59 : is a graph showing sound output characteristics of sound devices according to the embodiment and experimental examples of the present disclosure.

[0063] Figure 60 : is a graph showing sound output characteristics of sound devices according to the embodiment and experimental examples of the present disclosure.

[0064] Figure 61 is a diagram illustrating sound output characteristics of a sound device according to an embodiment of the present disclosure.

[0065] Figure 62 is a diagram illustrating sound output characteristics of a sound device according to an embodiment of the present disclosure.

[0066] Figure 63 It shows Figure 27 FIG. 4 is a graph showing sound output characteristics of a sound device according to another embodiment of the present disclosure.

[0067] Throughout the drawings and detailed description, unless otherwise described, the same reference numerals should be understood to refer to the same elements, features, and structures. For clarity, illustration, and convenience, the sizes, lengths, and thicknesses of layers, regions, and elements, and their descriptions may be exaggerated. DETAILED DESCRIPTION

[0068] The advantages and features of the present disclosure and their implementation methods are illustrated by various aspects described with reference to the accompanying drawings. However, the present disclosure may be embodied in different forms and should not be construed as limited to the exemplary aspects set forth herein. Rather, these exemplary aspects are examples and are provided so that the present disclosure may be thorough and complete, to help those skilled in the art understand the inventive concept, and not to limit the scope of protection of the present disclosure.

[0069] The shapes, sizes, ratios, angles, and numbers disclosed in the accompanying drawings for describing the embodiments of the present disclosure are merely examples, and therefore, the present disclosure is not limited to the details shown. Like reference numerals refer to like elements throughout. In the following description, when a detailed description of a related known function or configuration is determined to be unnecessary to obscure the main points of the present disclosure, the detailed description will be omitted.

[0070] In the case where “including,” “having,” and “comprising” described in this specification are used, another component may be added unless “only” is used. Terms in the singular form may include plural forms unless mentioned otherwise.

[0071] When an element is interpreted, the element is interpreted as including a range of error although there is no explicit description.

[0072] When describing a positional relationship, for example, when the positional relationship between two components is described as "on," "over," "under," and "beside," one or more other components may be provided between the two components, unless "just" or "directly" is used.

[0073] When describing a time relationship, for example, when a time sequence is described as "after," "subsequently," "next," and "before," discontinuous cases may be included unless "just" or "directly" is used.

[0074] It will be understood that although the terms "first," "second," etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first element may be referred to as a second element, and similarly, a second element may be referred to as a first element, without departing from the scope of this disclosure.

[0075] When describing elements of the present disclosure, terms such as "first," "second," "A," "B," "(a)," "(b)," etc. may be used. These terms are intended to identify corresponding elements from other elements and are not used to limit the nature, basis, order, or number of the elements.

[0076] When an element is “connected,” “coupled” or “in contact with” another element, unless otherwise specified, the element may not only be directly connected, coupled or in direct contact with another element, but may also be indirectly connected, coupled or in indirect contact with another element with one or more intervening elements interposed between the elements.

[0077] When an element is described as “contacting” or “overlapping” another element, unless otherwise specified, the element may not only be directly in contact with, overlap with, etc., but may also be indirectly in contact with or overlap with the other element by having one or more intervening elements disposed or inserted between the elements.

[0078] The term "at least one" should be understood to include any and all combinations of one or more of the associated listed items. For example, the meaning of "at least one of the first, second, and third items" means all combinations of items listed from two or more of the first, second, and third items, as well as the first, second, or third item.

[0079] As will be fully appreciated by those skilled in the art, the features of the various embodiments of the present disclosure may be coupled or combined with each other in part or in whole, and may interoperate and be driven technically in different ways. The embodiments of the present disclosure may be performed independently of each other or may be performed together in a mutually dependent relationship.

[0080] Hereinafter, an exemplary embodiment of the sound device according to the present disclosure will be described in detail with reference to the accompanying drawings. For ease of description, the proportion of each element shown in the drawings is different from the actual proportion and is therefore not limited to the proportions shown in the drawings.

[0081] Figure 1 : is a diagram showing a sound device according to an embodiment of the present disclosure. For example, Figure 1 is a diagram illustrating a sound apparatus for a vehicle according to an embodiment of the present disclosure.

[0082] Reference Figure 1 The sound device 30 according to the embodiment of the present disclosure may be provided or equipped at an interior portion of the vehicle 10 to output the sound S to the interior space (or indoor space) IS of the vehicle (or vehicle device) 10 .

[0083] The vehicle 10 may be a vehicle device including one or more seats and one or more windows. For example, the vehicle 10 may include a car, a train, a ship, or an airplane, but the embodiments of the present disclosure are not limited thereto.

[0084] The vehicle 10 according to an embodiment of the present disclosure may include a primary structure 110 .

[0085] The primary structure 110 of the vehicle 10 may include a main frame, a subframe, a side frame, a door frame, a bottom frame, and a seat frame, but embodiments of the present disclosure are not limited thereto. For example, the primary structure 110 may be a vehicle body, a vehicle structure, or a frame structure, but embodiments of the present disclosure are not limited thereto.

[0086] The vehicle 10 according to an embodiment of the present disclosure may further include an exterior material 120 .

[0087] The exterior material 120 of the vehicle 10 may be configured to cover the primary structure 110. For example, the exterior material 120 of the vehicle 10 may be configured to cover an exterior portion of the primary structure 110. In the following description, the exterior material 120 may be a vehicle exterior material 120 and may be used interchangeably.

[0088] The exterior materials 120 of the vehicle 10 may include a hood panel, front fender panels, instrument panel, pillar panels, trunk panel, roof panel (or ceiling), floor panels, door inner panels, door outer panels, etc., but embodiments of the present disclosure are not limited thereto.

[0089] The exterior material 120 according to an embodiment of the present disclosure may include at least one or more of a planar portion (or flat portion) and a curved portion (or a tortuous portion or an uneven portion). For example, the exterior material 120 may have a structure corresponding to that of the corresponding main structure 110, or may have a structure different from that of the corresponding main structure 110.

[0090] The vehicle 10 according to the embodiment of the present disclosure may further include a vehicle interior material 130. In the following description, the vehicle interior material 130 may be an interior material 130 and may be used interchangeably.

[0091] The vehicle interior material 130 may include all elements (or components) configuring the interior portion of the vehicle 10, or may include all elements provided at the interior space IS of the vehicle 10. For example, the vehicle interior material 130 may be an interior member or interior decoration material of the vehicle 10, but embodiments of the present disclosure are not limited thereto.

[0092] The vehicle interior material 130 according to an embodiment of the present disclosure 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 interior material 130 may cover one or more of the main structure 110 and the exterior material 120 in the interior space IS of the vehicle 10 and may be configured to be exposed at the interior space IS of the vehicle 10.

[0093] The vehicle interior material 130 according to an embodiment of the present disclosure may be configured to be exposed at an interior portion and / or interior space IS of the vehicle 10. For example, the vehicle interior material 130 may be configured to cover one or more surfaces (or interior surfaces) of at least one or more of a main frame (or vehicle body), a side frame (or side body), a door frame (or door body), a handle frame (or steering hub), and a seat frame that are exposed at the interior space IS of the vehicle 10.

[0094] The vehicle interior materials 130 according to an embodiment of the present disclosure may include an instrument panel, pillar interior materials (or pillar trim), floor interior materials (or floor carpet), roof interior materials (or roof lining), door interior materials (or door trim), handle interior materials (or steering cover), seat interior materials, trunk interior materials (or rear seat shelves), overhead consoles (or interior lighting materials), rearview mirrors, glove boxes, and sun visors, etc., but the embodiments of the present disclosure are not limited thereto.

[0095] The vehicle interior material 130 according to an embodiment of the present disclosure may include one or more of metal, wood, rubber, plastic, glass, fiber, cloth, paper, mirror, leather, and carbon, but the embodiments of the present disclosure are not limited thereto. The vehicle interior material 130 including a plastic material may be an infusion material achieved through an infusion process using a thermoplastic resin or a thermosetting resin, but the embodiments of the present disclosure are not limited thereto. The vehicle interior material 130 including a fiber material may include at least one or more of plastic composite fiber, carbon fiber (or aramid fiber), and natural fiber, but the embodiments of the present disclosure are not limited thereto. The vehicle interior material 130 including a fiber material may include a woven sheet, a knitted sheet, or a non-woven fabric, but the embodiments of the present disclosure are not limited thereto. For example, the paper may be a cone paper used for a speaker. For example, the cone paper may be pulp or foam plastic, but the embodiments of the present disclosure are not limited thereto. The vehicle interior material 130 including a leather material may include natural leather or artificial leather, but the embodiments of the present disclosure are not limited thereto.

[0096] The vehicle interior material 130 according to an embodiment of the present disclosure may include at least one or more of a flat portion and a curved portion (or a tortuous portion or an uneven 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.

[0097] According to an embodiment of the present disclosure, the sound device 30 may be provided at the vehicle interior material 130. The sound device 30 may vibrate the vehicle interior material 130 (or directly vibrate) to generate sound S based on the vibration of the vehicle interior material 130. For example, the sound device 30 may be configured to vibrate the vehicle interior material 130 to output sound S to the interior portion and / or interior space IS of the vehicle 10. Thus, the sound device 30 may use the vehicle interior material 130 as a sound vibration plate. The vehicle interior material 130 may be a vibration plate, a sound vibration plate, or a sound generating plate for outputting sound S. For example, the vehicle interior material 130 may have a size larger than the sound device 30, but embodiments of the present disclosure are not limited thereto.

[0098] According to an embodiment of the present disclosure, the sound device 30 may be provided in at least one or more of the instrument panel, pillar interior material, floor interior material, roof interior material, door interior material, handle interior material, and seat interior material, or may be provided in or connected to (or coupled to) at least one or more of the trunk interior material, overhead console, rearview mirror, glove box, and sun visor. For example, the sound device 30 may vibrate (or directly vibrate) at least one or more of the instrument panel, pillar interior material, floor interior material, roof interior material, door interior material, handle interior material, seat interior material, trunk interior material, overhead console, rearview mirror, glove box, and sun visor to output sound S to the interior portion and / or interior space IS of the vehicle 10.

[0099] The vehicle 10 according to an embodiment of the present disclosure may include one or more sound devices 30 disposed in or connected to at least one or more regions (or portions) of the vehicle interior material 130. The one or more sound devices 30 may vibrate at least one or more regions (or portions) of the vehicle interior material 130 to output real sound S including multi-channels and / or stereo sound to the interior space IS of the vehicle 10.

[0100] According to an embodiment of the present disclosure, the sound device 30 may be configured in an area between the vehicle interior material 130 and the main structure 110, or in an area between the vehicle interior material 130 and the exterior material 120. The sound device 30 may be provided in an area between the vehicle interior material 130 and the main structure 110, or in an area between the vehicle interior material 130 and the exterior material 120, and may indirectly or directly vibrate one or more of the area between the vehicle interior material 130 and the main structure 110 and the area between the vehicle interior material 130 and the exterior material 120 to output sound S.

[0101] According to an embodiment of the present disclosure, the sound device 30 may be disposed in one or more of the area (or first area) between the main structure 110 and the exterior material 120, the area (or second area) between the main structure 110 and the vehicle interior material 130, the exterior material 120, and the vehicle interior material 130. For example, the sound device 30 may be disposed in one or more of the area (or first area) between the main structure 110 and the exterior material 120, the area (or second area) between the main structure 110 and the vehicle interior material 130, the exterior material 120, and the vehicle interior material 130, and may be configured to output sound. For example, the sound device 30 may be disposed in one or more of the area (or first area) between the main structure 110 and the exterior material 120, the area (or second area) between the main structure 110 and the vehicle interior material 130, the exterior material 120, and the vehicle interior material 130, and may indirectly or directly vibrate one or more of the main structure 110, the exterior material 120, and the vehicle interior material 130 to output sound.

[0102] According to an embodiment of the present disclosure, the sound device 30 can output sound in the area between the exterior material 120 and the interior material 130 of the vehicle 10. For example, the sound device 30 can be disposed in the area (or third area) between the exterior material 120 and the interior material 130, or in at least one or more of the exterior material 120 and the interior material 130. For example, the sound device 30 can be disposed between the exterior material 120 and the interior material 130 and can indirectly or directly vibrate one or more of the exterior material 120 and the interior material 130 to output sound. For example, the sound device 30 can be connected or coupled to one or more of the exterior material 120 and the interior material 130 between the exterior material 120 and the interior material 130 and can indirectly or directly vibrate one or more of the exterior material 120 and the interior material 130 to output sound. For example, at least one or more of the exterior material 120 and the interior material 130 can output sound S based on the driving (or vibration or displacement) of one or more sound devices 30.

[0103] According to an embodiment of the present disclosure, one or more of the exterior material 120 and the interior material 130 of the vehicle 10 may be a vibration plate, a sound vibration plate, a sound generating plate, or the like for outputting sound S. For example, each of the exterior material 120 and the interior material 130 for outputting sound S may have a size (or area) larger than that of the sound device 30 and, therefore, may function as a large-area vibration plate, a large-area sound vibration plate, or a large-area sound generating plate, thereby enhancing the sound characteristics and / or sound pressure level characteristics of the tonal sound band, including the low-pitched sound band, generated by the sound device 30. For example, the frequency of the sound in the low-pitched sound band may be 300 Hz or less, 400 Hz or less, or 500 Hz or less, but embodiments of the present disclosure are not limited thereto.

[0104] Figure 2 : is a diagram showing a sound device for a vehicle according to another embodiment of the present disclosure. For example, Figure 2 Shown by modifying the above reference Figure 1 Therefore, in the following description, repeated descriptions of elements other than the vehicle interior material 130 may be omitted or will be briefly given.

[0105] Reference Figure 2 , the sound device 30 according to another embodiment of the present disclosure may vibrate the vehicle interior material 130 to output the sound S.

[0106] The vehicle interior material 130 according to an embodiment of the present disclosure may include one or more materials of metal, wood, rubber, plastic, glass, fiber, cloth, paper, mirror, leather, and carbon, but embodiments of the present disclosure are not limited thereto.

[0107] A vehicle interior material 130 according to another embodiment of the present disclosure may include a base member 131 and a surface member 133. For example, the base member 131 may be an injection material, a first interior material, an inner interior material, or a rear interior material, but embodiments of the present disclosure are not limited thereto. The surface member 133 may be a second interior material, an outer interior material, a front interior material, an outer surface member, a reinforcement member, or a decorative member, but embodiments of the present disclosure are not limited thereto.

[0108] The base member 131 may include a plastic material. The base member 131 according to an embodiment of the present disclosure may include an injection material. For example, the base member 131 may be an injection material achieved by an injection process using a thermoplastic resin or a thermosetting resin, but the embodiments of the present disclosure are not limited thereto. The vehicle interior material 130 or the base member 131 may be configured to cover an interior portion 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 a surface (or inner surface) of one or more of the main frame, side frame, door frame, and handle frame exposed at the interior space IS of the vehicle 10.

[0109] The base member 131 may include at least one or more of a flat portion and a curved portion. For example, the base member 131 may have a structure corresponding to the structure (or rear structure) of the corresponding main structure 110, or may have a structure different from the structure of the corresponding main structure 110.

[0110] The surface member 133 may be provided on the base member 131. For example, the surface member 133 may be provided to cover the base member 131. The surface member 133 may cover the base member 131 at the interior portion or interior space IS of the vehicle 10, and may be configured to be exposed at the interior portion or interior space IS of the vehicle 10. For example, the surface member 133 may be provided in or coupled to the front surface (or interior surface) of the base member 131 that is exposed at the interior space IS of the vehicle 10.

[0111] The vehicle interior material 130 or surface member 133 according to an embodiment of the present disclosure may include one or more materials of plastic, glass, fiber, leather, cloth, rubber, mirror, wood, paper, carbon and metal, but the embodiment of the present disclosure is not limited thereto. For example, the surface member 133 may be a fiber material. For example, the surface member 133 including a fiber material may include at least one or more of synthetic fiber, carbon fiber (or aramid fiber) and natural fiber, but the embodiment of the present disclosure is not limited thereto. For example, the surface member 133 including a fiber material may be a textile sheet, a knitted sheet or a non-woven fabric, but the embodiment of the present disclosure is not limited thereto. For example, the surface member 133 including a fiber material may be a fabric member, but the embodiment of the present disclosure is not limited thereto.

[0112] The synthetic fiber may be a thermoplastic resin and may include polyolefin-based fibers, which are eco-friendly materials that are relatively free of harmful substances. For example, the polyolefin-based fibers may include polyethylene fibers, polypropylene fibers, or polyethylene terephthalate fibers, but the embodiments of the present disclosure are not limited thereto. The polyolefin-based fibers may be single resin fibers or core-shell structure fibers, but the embodiments of the present disclosure are not limited thereto. The natural fiber may be one or a composite fiber of two or more of jute fibers, kenaf fibers, abaca fibers, coconut fibers, and wood fibers, but the embodiments of the present disclosure are not limited thereto.

[0113] The sound device 30 may be covered by the vehicle interior material 130. The sound device 30 may be configured to vibrate the vehicle interior material 130 including the base member 131 and the surface member 133 to output sound S to the interior portion of the vehicle 10 and / or the interior space IS.

[0114] The sound device 30 according to another embodiment of the present disclosure may output sound S to the interior space IS of the vehicle 10 using the vehicle interior material 130 as a vibration plate or a sound vibration plate, and may output real sound S including multi-channels and / or stereo sound to the interior space IS of the vehicle 10 .

[0115] According to another embodiment of the present disclosure, the sound device 30 can be configured to be surrounded by a housing. A space can be provided between the sound device 30 and the housing, and sound (or sound pressure level) can be output based on the vibration of the vehicle interior material 130 and the air between the sound device 30 and the housing. However, there may be issues with low-pitched sounds not being output, and the flatness of the sound pressure level may be reduced because the number of peaks and dips occurring in the reproduction frequency band of the sound (or sound pressure level) generated by the vibration of the vehicle interior material 130 increases, and both the highest and lowest sound pressure levels occurring in the reproduction frequency band of the sound (or sound pressure level) generated by the vibration of the vehicle interior material 130 increase. Peaks can be phenomena in which the sound pressure level bounces at specific frequencies, while dips can be phenomena in which lower sound pressure levels are generated as the occurrence of sounds of a specific frequency decreases. The flatness of the sound characteristic can be the deviation level between the highest and lowest sound pressures at a specific frequency.

[0116] The inventors of the present disclosure have conducted extensive research and experiments to realize a sound device and a vehicle device including the sound device, wherein the sound characteristics of sounds including mid-low-pitched vocal ranges can be enhanced (or improved). Based on the extensive research and experiments, the inventors of the present disclosure have invented a sound device and a vehicle device including the sound device, which can enhance the sound characteristics of sounds including mid-low-pitched vocal ranges. This will be described in detail below.

[0117] Figure 3 is a perspective view illustrating a sound device according to an embodiment of the present disclosure. Figure 4 According to the embodiment of the present disclosure Figure 3 sectional view taken along line II' shown in FIG. Figure 5 According to the embodiment of the present disclosure Figure 3 sectional view taken along line II-II' shown in FIG. Figure 6 is an exploded perspective view of a sound device according to an embodiment of the present disclosure.

[0118] Reference Figures 3 to 6 The sound device 30 (or a sound device for a vehicle) according to an embodiment of the present disclosure may be configured to vibrate a vibrating object or a vehicle structure. For example, the sound device 30 may be a sound generating device, a sound output device, a speaker device, a car audio device, or an audio device, but the embodiments of the present disclosure are not limited thereto.

[0119] The sound device 30 may be configured to be connected (or coupled) to a vibrating object or vehicle structure. For example, the sound device 30 may be disposed on (or connected to) Figure 1 or Figure 2The sound device 30 may be configured to generate (or output) sound in a portion of any one of the main structure 110, the outer material 120, and the inner material 130 shown. Figure 1 or Figure 2 Any one of the illustrated main structure 110 , the outer material 120 , and the inner material 130 vibrates to generate (or output) sound.

[0120] The sound device 30 according to an embodiment of the present disclosure may include a housing 310 , a sound generating module 330 , and a coupling member 320 .

[0121] The housing 310 may be configured to support the sound generating module 330. The housing 310 may be configured to surround or cover the sound generating module 330. For example, the housing 310 may be configured to support the sound generating module 330 and surround the sound generating module 330. For example, the housing 310 may be configured to accommodate (or receive) the sound generating module 330. For example, the housing 310 may be a housing, a shell, an outer shell, a shell member, a housing member, a casing, a sealing member, a sealing cap, a sealing box, a sound box, etc., but embodiments of the present disclosure are not limited thereto.

[0122] The housing 310 may include a rectangular shape including long and short sides, but embodiments of the present disclosure are not limited thereto. The housing 310 may include a rectangular shape having an interior space 313, but embodiments of the present disclosure are not limited thereto. The interior space 313 may accommodate (or receive) the sound generating module 330. The interior space 313 may be configured to accommodate (or receive) the sound generating module 330. For example, the interior space 313 may be a accommodating space, a receiving space, a gap space, an air space, a vibration space, a sound space, a sound box, or a sealed space, but embodiments of the present disclosure are not limited thereto.

[0123] The housing 310 according to an embodiment of the present disclosure may include one or more materials of a metal material and a non-metallic material (or a composite non-metallic material), but the embodiments of the present disclosure are not limited thereto. For example, the housing 310 may include one or more materials of a metal material, plastic, carbon, and wood, but the embodiments of the present disclosure are not limited thereto. For example, the housing 310 may be configured with a metal material such as aluminum (Al) material, or with a plastic material such as plastic or styrene material, but the embodiments of the present disclosure are not limited thereto. For example, the styrene material may be an ABS material. The ABS material may be acrylonitrile, butadiene, and styrene.

[0124] The housing 310 according to an embodiment of the present disclosure may include one or more housings (or housing members) 311 and 312. For example, the housing 310 may include a first housing 311 and a second housing 312.

[0125] The first shell (or first shell member) 311 can be configured at the first surface (or rear surface or lower surface) of the sound generating module 330. The first shell 311 can be configured to support a portion of the first surface of the sound generating module 330. For example, the first shell 311 can be configured to cover the first surface of the sound generating module 330. For example, the first shell 311 can be configured to support a portion of the edge portion (or peripheral portion) of the sound generating module 330. For example, the first shell 311 can be configured to surround the first surface of the sound generating module 330. For example, the first shell 311 can be configured to connect or couple to a portion of the edge portion (or peripheral portion) of the first surface of the sound generating module 330. For example, the first shell 311 can include a rectangular shape including long sides and short sides, but embodiments of the present disclosure are not limited thereto.

[0126] The first housing 311 according to an embodiment of the present disclosure may include a first plate 311 a and a first sidewall portion 311 b .

[0127] The first plate 311a may be configured (or arranged) to be spaced apart from the sound generating module 330. The first plate 311a may be arranged at the first surface of the sound generating module 330. The first plate 311a may be configured to cover the first surface of the sound generating module 330. The first plate 311a may be arranged or configured to be spaced apart from the first surface of the sound generating module 330. For example, the first plate 311a may include a rectangular shape having long sides and short sides, but embodiments of the present disclosure are not limited thereto. For example, the first plate 311a may include a flat plate structure having a rectangular shape (which includes long sides and short sides), but embodiments of the present disclosure are not limited thereto.

[0128] The first side wall portion 311b can be configured (or set) between the sound generating module 330 and the first plate 311a. For example, the first side wall portion 311b can be configured (or set) along the edge portion (or peripheral portion) of the first plate 311a. For example, the first side wall portion 311b can be vertically connected to the edge portion of the first plate 311a. For example, the first side wall portion 311b can be vertically connected to the edge portion (or inner edge portion or front edge portion) of the first surface of the first plate 311a facing the sound generating module 330. The first side wall portion 311b can be configured at the edge portion of the first plate 311a to support a portion of the sound generating module 330. For example, the first side wall portion 311b can be configured to be connected or coupled to a portion of the edge portion of the sound generating module 330.

[0129] The first plate 311 a of the first housing 311 may be configured to have a first thickness (or height) T1 .

[0130] The first thickness T1 of the first plate 311a may be the same as or different from the second thickness (or height) T2 of the vibration member 331. For example, the first thickness T1 of the first plate 311a may be thinner than or equal to the second thickness T2 of the vibration member 331, but embodiments of the present disclosure are not limited thereto. For example, the first thickness T1 of the first plate 311a may be 0.5 mm to 3 mm, but embodiments of the present disclosure are not limited thereto.

[0131] According to an embodiment of the present disclosure, the displacement (or bending force) or amplitude displacement (or vibration width) of the first housing 311 (or first plate 311a) based on the vibration of the sound generating module 330 can increase as the first thickness T1 of the first plate 311a becomes thinner. For example, the flexibility of the first plate 311a can increase as the first thickness T1 becomes thinner, and the displacement (or bending force) or amplitude displacement (or vibration width) of the first plate 311a can increase as the flexibility of the first plate 311a increases. As a result, the sound characteristics and / or sound pressure level characteristics of the low-pitched vocal range generated based on the vibration (or displacement) of the first housing 311 (or first plate 311a) based on the vibration of the sound generating module 330 can be increased (or enhanced). For example, when the first plate 311a has a first thickness T1 of 0.5 mm to 3 mm, the sound characteristics and / or sound pressure level characteristics in the tonal vocal range of 300 Hz or below can be increased (or enhanced).

[0132] The first sidewall portion 311b can be configured (or provided) along an edge portion of the first plate 311a and can be configured to provide a space 313a between the sound generating module 330 and the first plate 311a. For example, the first sidewall portion 311b can be provided in an area between the first surface of the sound generating module 330 and the first plate 311a. The first sidewall portion 311b can provide a space 313a on the inner surface 311i of the first housing 311 or the inner surface 311i of the first plate 311a. Therefore, the first surface of the sound generating module 330 can be separated from the inner surface 311i of the first plate 311a by the first sidewall portion 311b.

[0133] The first sidewall portion 311 b according to an embodiment of the present disclosure may include first to fourth sidewalls 311 b 1 , 311 b 2 , 311 b 3 , and 311 b 4 .

[0134] Each of the first sidewall 311b1 and the second sidewall 311b2 of the first sidewall portion 311b may be configured parallel to the first direction X. Each of the first sidewall 311b1 and the second sidewall 311b2 may be configured parallel to a short side of the housing 310 or a short side of the first plate 311a .

[0135] According to an embodiment of the present disclosure, the first side wall 311b1 of the first side wall portion 311b may be connected to the first edge portion of the first plate 311a in parallel with the short side of the housing 310 or the short side of the first plate 311a. For example, the first side wall 311b1 may be connected to the first edge portion of the first plate 311a adjacent to the first short side. For example, the first side wall 311b1 may be vertically connected to the first edge portion of the first plate 311a.

[0136] According to an embodiment of the present disclosure, the second side wall 311b2 of the first side wall portion 311b may be connected to the second edge portion of the first plate 311a in parallel with the short side of the housing 310 or the short side of the first plate 311a. For example, the second side wall 311b2 may be connected to the second edge portion of the first plate 311a adjacent to the second short side. For example, the second side wall 311b2 may be vertically connected to the second edge portion of the first plate 311a.

[0137] Each of the third and fourth sidewalls 311b3 and 311b4 of the first sidewall portion 311b may be configured parallel to the second direction Y. Each of the third and fourth sidewalls 311b3 and 311b4 may be configured parallel to a long side of the housing 310 or a long side of the first plate 311a .

[0138] According to an embodiment of the present disclosure, the third side wall 311b3 of the first side wall portion 311b can be connected to the third edge portion of the first plate 311a in parallel with the long side of the housing 310 or the long side of the first plate 311a. For example, the third side wall 311b3 can be connected to the third edge portion of the first plate 311a adjacent to the first long side. For example, the third side wall 311b3 can be vertically connected to the third edge portion of the first plate 311a. For example, the first side surface (or first end) of the third side wall 311b3 can be connected to the first side surface (or first end) of the first side wall 311b1. The second side surface (or second end) of the third side wall 311b3 opposite to the first side surface can be connected to the first side surface (or first end) of the second side wall 311b2.

[0139] According to an embodiment of the present disclosure, the fourth side wall 311b4 of the first side wall portion 311b may be connected to the fourth edge portion of the first plate 311a parallel to the long side of the housing 310 or the long side of the first plate 311a. For example, the fourth side wall 311b4 may be connected to the fourth edge portion of the first plate 311a adjacent to the second long side. For example, the fourth side wall 311b4 may be vertically connected to the fourth edge portion of the first plate 311a. For example, the first side surface (or first end) of the fourth side wall 311b4 may be connected to the second side surface (or second end) of the first side wall 311b1 opposite to the first side surface. The second side surface (or second end) of the fourth side wall 311b4 opposite to the first side surface may be connected to the second side surface (or second end) of the second side wall 311b2 opposite to the first side surface.

[0140] The second housing 312 (or second housing member) may be configured in a second surface (or front surface or upper surface) of the sound generating module 330 that is opposite to the first surface. For example, the second housing 312 may be configured to cover the second surface of the sound generating module 330. For example, the second housing 312 may be configured to support a portion of an edge portion of the sound generating module 330. For example, the second housing 312 may be configured to surround the second surface of the sound generating module 330. For example, the second housing 312 may be configured to connect or couple to a portion of an edge portion of the second surface of the sound generating module 330. For example, the second housing 312 may include a rectangular shape including long sides and short sides, but embodiments of the present disclosure are not limited thereto.

[0141] The second housing 312 according to an embodiment of the present disclosure may include a second plate 312 a and a second sidewall portion 312 b .

[0142] The second plate 312a may be configured to be spaced apart from the sound generating module 330. The second plate 312a may be configured at the second surface of the sound generating module 330. The second plate 312a may be configured to cover the second surface of the sound generating module 330. The second plate 312a may be provided or configured to be spaced apart from the second surface of the sound generating module 330. For example, the second plate 312a may include a flat plate structure having a rectangular shape including long and short sides, but embodiments of the present disclosure are not limited thereto.

[0143] The second sidewall portion 312b can be configured (or provided) along an edge portion (or peripheral portion) of the second plate 312a. For example, the second sidewall portion 312b can be vertically connected to an edge portion of the second plate 312a. For example, the second sidewall portion 312b can be vertically connected to an edge portion (or inner edge portion or rear edge portion) of the second plate 312a facing the second surface of the sound generating module 330. For example, the second sidewall portion 312b can be configured to be connected or coupled to a portion of an edge portion of the sound generating module 330.

[0144] The second sidewall portion 312b may be provided between the second surface of the sound generating module 330 and the second plate 312a. The second sidewall portion 312b may provide a space 313b on the inner surface 312i of the second housing 312 or the inner surface 312i of the second plate 312a. Thus, the second surface of the sound generating module 330 may be spaced apart from the inner surface 312i of the second plate 312a by the second sidewall portion 312b.

[0145] The second sidewall portion 312 b according to an embodiment of the present disclosure may include first to fourth sidewalls 312 b 1 , 312 b 2 , 312 b 3 , and 312 b 4 .

[0146] Each of the first sidewall 312b1 and the second sidewall 312b2 of the second sidewall portion 312b may be configured parallel to the first direction X. Each of the first sidewall 312b1 and the second sidewall 312b2 may be configured parallel to a short side of the housing 310 or a short side of the second plate 312a.

[0147] According to an embodiment of the present disclosure, the first side wall 312b1 of the second side wall portion 312b can be connected to the first edge portion of the second plate 312a in parallel with the short side of the housing 310 or the short side of the second plate 312a. For example, the first side wall 312b1 can be connected to the first edge portion of the second plate 312a adjacent to the first short side. For example, the first side wall 312b1 can be vertically connected to the first edge portion of the second plate 312a. For example, the first side wall 312b1 of the second side wall portion 312b can overlap with the first side wall 311b1 of the first side wall portion 311b.

[0148] According to an embodiment of the present disclosure, the second side wall 312b2 of the second side wall portion 312b can be connected to the second edge portion of the second plate 312a in parallel with the short side of the housing 310 or the short side of the second plate 312a. For example, the second side wall 312b2 can be connected to the second edge portion of the second plate 312a adjacent to the second short side. For example, the second side wall 312b2 can be vertically connected to the second edge portion of the second plate 312a. For example, the second side wall 312b2 of the second side wall portion 312b can overlap with the second side wall 311b2 of the first side wall portion 311b.

[0149] Each of the third and fourth sidewalls 312b3 and 312b4 of the second sidewall portion 312b may be configured parallel to the second direction Y. Each of the third and fourth sidewalls 311b3 and 311b4 may be configured parallel to a long side of the housing 310 or a long side of the second plate 312a .

[0150] According to an embodiment of the present disclosure, the third side wall 311b3 of the second side wall portion 312b can be connected to the third edge portion of the second plate 312a parallel to the long side of the housing 310 or the long side of the second plate 312a. For example, the third side wall 311b3 can be connected to the third edge portion of the second plate 312a adjacent to the first long side. For example, the third side wall 311b3 can be vertically connected to the third edge portion of the second plate 312a. For example, the first side surface (or first end) of the third side wall 312b3 can be connected to the first side surface (or first end) of the first side wall 312b1. The second side surface (or second end) of the third side wall 312b3 opposite to the first side surface can be connected to the first side surface (or first end) of the second side wall 312b2. For example, the third side wall 312b3 of the second side wall portion 312b can overlap with the third side wall 311b3 of the first side wall portion 311b.

[0151] According to an embodiment of the present disclosure, the fourth side wall 312b4 of the second side wall portion 312b can be connected to the fourth edge portion of the second plate 312a parallel to the long side of the housing 310 or the long side of the second plate 312a. For example, the fourth side wall 312b4 can be connected to the fourth edge portion of the second plate 312a adjacent to the second long side. For example, the fourth side wall 312b4 can be vertically connected to the fourth edge portion of the second plate 312a. For example, the first side surface (or first end) of the fourth side wall 312b4 can be connected to the second side surface (or second end) of the first side wall 312b1 opposite to the first side surface. The second side surface (or second end) of the fourth side wall 312b4 opposite to the first side surface can be connected to the second side surface (or second end) of the second side wall 312b2 opposite to the first side surface. For example, the fourth side wall 312b4 of the second side wall portion 312b can overlap with the fourth side wall 311b4 of the first side wall portion 311b.

[0152] According to an embodiment of the present disclosure, the internal space 313 of the housing 310 may be between the first housing 311 and the second housing 312. For example, the internal space 313 of the housing 310 may be provided at an area between the first housing 311 and the sound generating module 330, and may be provided at an area between the second housing 312 and the sound generating module 330.

[0153] According to an embodiment of the present disclosure, the inner space 313 of the housing 310 may include a first space 313 a and a second space 313 b .

[0154] The first space 313 a and the second space 313 b may be spatially separated from each other by the sound generating module 330 , but embodiments of the present disclosure are not limited thereto.

[0155] The first space 313a may include a space provided between the first housing 311 and the sound generating module 330. For example, the first space 313a may include a space provided between the first housing 311 and the first surface of the sound generating module 330. For example, the first space 313a may include a space provided between the inner surface 311i of the first plate 311a and the first surface of the sound generating module 330 through the first sidewall portion 311b of the first housing 311.

[0156] The second space 313b may include a space provided between the second housing 312 and the sound generating module 330. For example, the second space 313b may include a space provided between the second housing 312 and the second surface of the sound generating module 330. For example, the second space 313b may include a space provided between the inner surface 312i of the second plate 312a and the second surface of the sound generating module 330 through the second sidewall portion 312b of the second housing 312.

[0157] The sound generating module 330 may be configured to be housed (or received) in the interior space 313 of the housing 310. The sound generating module 330 may be configured to generate sound (or sound pressure level or sound waves) in the interior space 313 of the housing 310. For example, the sound generating module 330 may be a sound generating device, a sound generating unit, a sound generating member, a sound reproduction module, a sound reproduction unit, a car audio module, a car audio unit, a speaker module, or a speaker unit, but embodiments of the present disclosure are not limited thereto.

[0158] The sound generation module 330 according to an embodiment of the present disclosure may be configured to generate or output sound (or sound waves) or vibrations. For example, the sound generation module 330 may be configured to output sound (or sound waves) or vibrations to the interior of the vehicle based on the drive (or vibration or displacement). For example, the sound (or sound waves) or vibrations generated based on the drive (or vibration) of the sound generation module 330 may be directly output to the interior of the vehicle.

[0159] According to another embodiment of the present disclosure, the sound generation module 330 can generate sound based on the vibration of a vibrating object or vehicle structure. For example, the sound generation module 330 can be configured to vibrate a material inside a vehicle. For example, the sound generation module 330 can generate or output sound (or sound waves) or vibration based on the vibration (or displacement) of a material inside a vehicle. For example, the sound (or sound waves) generated based on the drive (or vibration or displacement) of the sound generation module 330 can vibrate a material inside a vehicle, and the sound (or sound waves) or vibration generated based on the vibration of the material inside the vehicle can be directly output to the interior space of the vehicle.

[0160] The sound generation module 330 according to another embodiment of the present disclosure can generate sound based on the vibration of the housing 310 and the vibrating object (or vehicle structure). For example, the sound generation module 330 can be configured to vibrate the housing 310 and the vibrating object (or vehicle structure) or indirectly vibrate the housing 310 and the vibrating object (or vehicle structure). For example, the sound generation module 330 can generate or output sound or vibration based on the vibration (or displacement) of the housing 310 and the vehicle interior material. For example, the sound (or sound wave) generated in the interior space 313 of the housing 310 based on the drive (or vibration or displacement) of the sound generation module 330 can vibrate the housing 310, and the vibration of the housing 310 can vibrate the vehicle interior material, and the sound or vibration generated based on the vibration of the vehicle interior material can be output to the interior space of the vehicle.

[0161] According to another embodiment of the present disclosure, a portion of the sound (or sound waves or vibrations) generated in the interior space 313 of the housing 310 based on the driving (or vibration or displacement) of the sound generation module 330 can be directly output to the interior space of the vehicle, and another portion of the sound (or sound waves or vibrations) generated or output based on the driving (or vibration or displacement) of the sound generation module 330 can cause one or more of the housing 310 and the vehicle interior materials to vibrate. The sound (or sound waves) or vibrations generated by the vibration of the vehicle interior materials based on the vibration of one or more of the housing 310 and the vehicle interior materials can be output to the interior space of the vehicle.

[0162] The sound generation module 330 according to an embodiment of the present disclosure may include a vibration member 331 and a vibration device 333 .

[0163] The vibration member 331 may generate vibration or may output sound (or sound waves or sound pressure levels) based on the driving (or vibration) of the vibration device 333. For example, the vibration member 331 may be a vibration membrane, a vibration plate, a vibration substrate, a vibration panel, a sound plate, a sound panel, a passive vibration plate, a passive vibration member, a passive vibration panel, a sound output plate, or a sound vibration plate, but embodiments of the present disclosure are not limited thereto.

[0164] The vibration member 331 may include a single non-metallic material or a composite non-metallic material, but the embodiments of the present disclosure are not limited thereto. For example, the single non-metallic material or the composite non-metallic material of the vibration member 331 may include one or more materials selected from wood, rubber, plastic, carbon, glass, fiber, cloth, paper, mirror, and leather, but the embodiments of the present disclosure are not limited thereto. For example, the paper may be a cone-shaped paper used for a speaker. For example, the cone-shaped paper may be pulp or foam plastic, etc., but the embodiments of the present disclosure are not limited thereto. For example, the vibration member 331 may be configured with the same material as the material of the housing 310, or may be configured with a material different from that of the housing 310.

[0165] The vibration member 331 according to an embodiment of the present disclosure may be configured with a plastic material, for example, a plastic material or a styrene material, but the embodiment of the present disclosure is not limited thereto.

[0166] The plastic material of the vibration member 331 may be configured with polyethylene terephthalate, polycarbonate, polyimide, polypropylene, polyarylate, polyethersulfone, polyethylene naphthalate, polysulfone, cycloolefin copolymer, or carbon fiber reinforced plastic (CFRP), but the embodiments of the present disclosure are not limited thereto.

[0167] The styrene material of the vibration member 331 may be ABS material. The ABS material may be acrylonitrile, butadiene, and styrene.

[0168] The vibration member 331 according to an embodiment of the present disclosure may include a porous material. For example, the vibration member 331 may include a microporous plastic material. For example, the vibration member 331 may be configured with a polyethylene terephthalate material or a polycarbonate material. For example, the vibration member 331 may be configured with a microporous polyethylene terephthalate (MCPET) material. The vibration member 331 configured with MCPET may have the ability to reproduce high original sound due to its low density and excellent elastic force, thereby improving the quality of the sound.

[0169] According to an embodiment of the present disclosure, the vibration member 331 may include a quadrilateral shape, but the embodiments of the present disclosure are not limited thereto. For example, the vibration member 331 may have a rectangular shape including a long side and a short side, but the embodiments of the present disclosure are not limited thereto. For example, the vibration member 331 may include a first surface 331s1 and a second surface 331s2 that is different from (or opposite to) the first surface 331s1. For example, in the vibration member 331, the first surface 331s1 may be a rear surface, a backside surface, or a lower surface, and the second surface 331s2 may be a front surface or an upper surface. For example, the first surface 331s1 of the vibration member 331 may correspond to the first surface of the sound generating module 330. For example, the second surface 331s2 of the vibration member 331 may correspond to the second surface of the sound generating module 330.

[0170] The vibration member 331 may be located at the periphery of the housing 310. The vibration member 331 may be partially supported by the housing 310. The vibration member 331 may be partially supported by the first housing 311 and the second housing 312 of the housing 310. For example, the vibration member 331 may be partially supported by the first housing 311. The vibration member 331 may be disposed or arranged between the first housing 311 and the second housing 312. The vibration member 331 may be configured to separate (or divide) the interior space 313 of the housing 310 into a first space 313a and a second space 313b. For example, the interior space 313 of the housing 310 may be separated into a first space 313a and a second space 313b by the vibration member 331. For example, the first space 313a of the interior space 313 may be disposed between the first housing 311 and the vibration member 331 and may be covered by the vibration member 331. The second space 313b of the interior space 313 may be disposed between the second housing 312 and the vibration member 331.

[0171] The vibration device 333 may be configured to vibrate (or displace) the vibration member 331. For example, the vibration device 333 may be configured to vibrate (or displace or drive) based on a drive signal (or vibration drive signal or voice signal) applied thereto to vibrate (or displace or drive) the vibration member 331.

[0172] The vibration device 333 may correspond to the vibration member 331 or have the same shape as the vibration member 331, but embodiments of the present disclosure are not limited thereto. For example, the vibration device 333 may have a different shape from the vibration member 331. For example, the vibration device 333 may have a rectangular shape or a square shape, but embodiments of the present disclosure are not limited thereto. For example, the vibration device 333 may have a size smaller than that of the vibration member 331, but embodiments of the present disclosure are not limited thereto.

[0173] The vibration device 333 may be provided or configured at the interior space 313 of the housing 310 to vibrate (or displace) the vibration member 331. The vibration device 333 may be provided or configured at the vibration member 331. For example, the vibration device 333 may be provided or configured at one or more of the first surface and the second surface of the vibration member 331. For example, the sound generation module 330 may include a plurality of vibration devices 333. For example, a plurality of vibration devices 333 may be provided or configured at one or more of the first surface and the second surface of the vibration member 331. For example, a plurality of vibration devices 333 may be provided or configured at each of the first surface and the second surface of the vibration member 331, wherein the vibration member 331 is between the plurality of vibration devices 333.

[0174] The sound generation module 330 or the vibration device 333 according to an embodiment of the present disclosure may include a first vibration device 333 a and a second vibration device 333 b .

[0175] The first vibration device 333a and the second vibration device 333b may be arranged at the vibration member 331. For example, the vibration member 331 may be provided between the first vibration device 333a and the second vibration device 333b. For example, the first vibration device 333a may be provided or arranged at a first surface of the vibration member 331, and the second vibration device 333b may be provided or arranged at a second surface of the vibration member 331. For example, the second vibration device 333b may be provided or arranged at a second surface of the vibration member 331 opposite to the first surface.

[0176] According to an embodiment of the present disclosure, a long side of each of the first vibration device 333a and the second vibration device 333b may be parallel to a long side of the vibration member 331 and may be spaced apart from the long side of the vibration member 331. For example, each of the first vibration device 333a and the second vibration device 333b may have a size smaller than that of the vibration member 331, but embodiments of the present disclosure are not limited thereto.

[0177] The first vibration device 333a and the second vibration device 333b can vibrate (or displace or drive) based on a driving signal (or vibration driving signal or voice signal) applied thereto to vibrate (or displace or drive) the vibration member 331. The vibration member 331 can generate vibration based on the displacement (or driving) of each of the first vibration device 333a and the second vibration device 333b or can output sound (or sound waves).

[0178] According to an embodiment of the present disclosure, the drive signals (or vibration drive signals or voice signals) applied to the first vibration device 333a and the second vibration device 333b can be the same or different. For example, the drive signals applied to the first vibration device 333a and the second vibration device 333b can have the same phase or different phases. For example, the first vibration device 333a and the second vibration device 333b can have a bimorph structure with the vibration member 331 disposed therebetween. Each of the first vibration device 333a and the second vibration device 333b can independently vibrate the vibration member 331, thereby reducing its impact on the sound characteristics based on the material and the characteristics of the vibration member 331. Therefore, in the sound device 30, the sound characteristics and / or sound pressure level characteristics of the tonal vocal range, including the low-pitched vocal range, can be enhanced by the bimorph structure of the vibration device 333.

[0179] According to another embodiment of the present disclosure, the first vibration device 333a and the second vibration device 333b may be configured at any one of the first surface and the second surface of the vibration member 331. For example, the first vibration device 333a may be configured at any one of the first surface and the second surface of the vibration member 331. For example, the first vibration device 333a may be connected to or configured at the first surface of the vibration member 331. For example, the second vibration device 333b may be connected to or stacked on the first vibration device 333a.

[0180] The sound device 30 or the sound generating module 330 according to an embodiment of the present disclosure may further include an adhesive member 332. For example, the vibration device 333 or each of the first and second vibration devices 333a and 333b may be connected or coupled to the vibration member 331 through the adhesive member 332.

[0181] The adhesive member 332 according to an embodiment of the present disclosure may include a first adhesive member 332 a and a second adhesive member 332 b .

[0182] The first adhesive member 332a may be disposed (or inserted) between the vibration member 331 and the first vibration device 333a. The first vibration device 333a may be connected or coupled to the vibration member 331 via the first adhesive member 332a. For example, the first vibration device 333a may be connected or coupled to the first surface of the vibration member 331 via the first adhesive member 332a.

[0183] The second adhesive member 332b may be disposed (or inserted) between the vibration member 331 and the second vibration device 333b. The second vibration device 333b may be connected or coupled to the vibration member 331 via the second adhesive member 332b. For example, the second vibration device 333b may be connected or coupled to the second surface of the vibration member 331 via the second adhesive member 332b.

[0184] The adhesive member 332 or the first adhesive member 332a and the second adhesive member 332b may include an adhesive layer (or adhesive layer) having good adhesive or attachment strength. For example, the adhesive member 332 or the first adhesive member 332a and the second adhesive member 332b may include the same or different adhesive layers (or adhesive layers). For example, the adhesive member 332 or the first adhesive member 332a and the second adhesive member 332b may include an 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, but embodiments of the present disclosure are not limited thereto.

[0185] The coupling member 320 may be partially between the sound generating module 330 and the housing 310. For example, the coupling member 320 may be partially between an edge portion of the sound generating module 330 and the housing 310. For example, the edge portion of the sound generating module 330 may be partially connected or coupled to the housing 310 through the coupling member 320. For example, the sound device 30 according to an embodiment of the present disclosure may further include an air gap partially provided between the edge portion of the sound generating module 330 and the housing 310. For example, the coupling member 320 may be partially between the edge portion of the sound generating module 330 and the housing 310 to include an air gap between the edge portion of the sound generating module 330 and the housing 310. For example, the air gap may be in at least a portion of the area between the edge portion of the housing 310 adjacent to the long side and the sound generating module 330.

[0186] The coupling member 320 according to an embodiment of the present disclosure may be configured to partially connect or couple the housing 310 to the vibration member 331 of the sound generating module 330. For example, the coupling member 320 may be partially in the area between the vibration member 331 and the housing 310. For example, the coupling member 320 may be a portion of the area between the housing 310 and the vibration member 331. For example, the coupling member 320 may be disposed (or inserted) in a portion of the area between an edge portion of the vibration member 331 and the housing 310. For example, the coupling member 320 may be partially disposed (or inserted) in the area between an edge portion of the vibration member 331 and the housing 310.

[0187] The sound device 30 according to an embodiment of the present disclosure may include an air gap partially provided between the housing 310 and the vibration member 331. For example, the sound device 30 may include an air gap that is partially provided between the housing 310 and the vibration member 331 by the coupling member 320. For example, the coupling member 320 may be partially provided (or inserted) in a region between the vibration member 331 and the housing 310 to include (or allow) an air gap between the vibration member 331 and the housing 310. For example, the coupling member 320 may be partially provided (or inserted) in a region between an edge portion of the vibration member 331 and the housing 310 to include (or allow) an air gap between the edge portion of the vibration member 331 and the housing 310. For example, the air gap may be in at least a portion of a region between an edge portion of the housing 310 adjacent to a long side and the sound generating module 330.

[0188] The coupling member 320 according to an embodiment of the present disclosure can be configured to enhance the sound characteristics and / or sound pressure level characteristics of the mid-low pitch vocal cords generated based on the vibration of the vibration member 331. For example, the coupling member 320 can be configured to increase or maximize the displacement (or bending force) or amplitude displacement (or vibration width) of the vibration member 331. For example, when the vibration member 331 vibrates (or shifts) based on the vibration of the vibration device 333, the coupling member 320 can be configured (or arranged) to not hinder (or constrain) the vibration (or displacement) at the center portion including the center of the vibration member 331. For example, the coupling member 320 can be configured (or arranged) to not hinder (or constrain) the vibration (or displacement) of the vibration member 331 in the length direction of the long side of the vibration member 331.

[0189] The coupling member 320 according to an embodiment of the present disclosure may be disposed (or inserted) between the housing 310 and an edge portion (or a short side edge portion) of the vibration member 331 adjacent to the short side. For example, the coupling member 320 may be disposed (or inserted) in an area between the housing 310 and two edge portions of the vibration member 331 adjacent to the short side. For example, the coupling member 320 may be disposed (or inserted) in an area between the housing 310 and each of the first and second edge portions of the vibration member 331 adjacent to the short side. For example, the coupling member 320 may be disposed (or inserted) over the entire area (or without an air gap) between the housing 310 and each of the first and second edge portions of the vibration member 331.

[0190] The coupling member 320 according to an embodiment of the present disclosure may not be disposed (or inserted) between the housing 310 and the edge portion (or the long side edge portion) of the vibration member 331 adjacent to the long side. For example, the coupling member 320 may not be disposed (or inserted) between the housing 310 and the two edge portions adjacent to the long side of the vibration member 331. For example, the coupling member 320 may not be disposed (or inserted) in the area between the housing 310 and each of the third edge portion and the fourth edge portion adjacent to the long side of the vibration member 331. Therefore, an air gap AG may be disposed in the area between the housing 310 and each of the third edge portion and the fourth edge portion of the vibration member 331. For example, due to the air gap AG, the third edge portion and the fourth edge portion of the vibration member 331 can vibrate (or shift) freely without being hindered (or constrained) by the coupling member 320 or the housing 310. Therefore, the displacement amount (or bending force) or amplitude displacement (or vibration width) of the vibration member 331 in the long side length direction of the vibration member 331 can be increased or maximized, and therefore, the sound characteristics and / or sound pressure level characteristics of the mid-low pitch vocal cords generated based on the vibration (or displacement) of the vibration member 331 based on the vibration device 333 can be increased (or enhanced).

[0191] The coupling member (or joint member) 320 according to an embodiment of the present disclosure may include a first coupling member (or first joint member) 321 and a second coupling member (or second joint member) 322 .

[0192] The first coupling member 321 may be partially between the vibration member 331 and the first housing 311. The first coupling member 321 may be partially between an edge portion of the vibration member 331 and the first sidewall portion 311b of the first housing 311. For example, the first sidewall portion 311b of the first housing 311 may be partially connected or coupled to the first surface of the vibration member 331 via the first coupling member 321. For example, the first sidewall portion 311b of the first housing 311 may be partially connected or coupled to the edge portion of the first surface of the vibration member 331 via the first coupling member 321.

[0193] The first coupling member 321 according to an embodiment of the present disclosure may be disposed (or inserted) in a region between the first housing 311 and two edge portions adjacent to the short sides of the vibration member 331. For example, the first coupling member 321 may be disposed (or inserted) in a region between the first housing 311 and each of the first and second edge portions adjacent to the short sides of the vibration member 331. For example, the first coupling member 321 may be disposed (or inserted) over the entire region between the first housing 311 and each of the first and second edge portions adjacent to the short sides of the vibration member 331 (or without an air gap).

[0194] The first coupling member 321 according to an embodiment of the present disclosure may include a first side coupling member 321 a and a second side coupling member 321 b .

[0195] The first side coupling member 321a of the first coupling member 321 may be configured to couple the vibration member 331 to a first edge portion of the first housing 311 adjacent to a first short side of the first housing 311. For example, the first side coupling member 321a may be disposed (or inserted) in an area between the first side wall 311b1 of the first side wall portion 311b in the first housing 311 and a first rear edge portion of the vibration member 331. For example, the first side coupling member 321a may be disposed (or inserted) in the entire area between the first side wall 311b1 of the first side wall portion 311b and the first rear edge portion of the vibration member 331. For example, the first side coupling member 321a may be disposed (or inserted) over the entire area between the first side wall 311b1 of the first side wall portion 311b and the first rear edge portion of the vibration member 331 (or without an air gap). Therefore, the entire first rear edge portion of the vibration member 331 can be coupled (or fixed) to the first side wall portion 311b of the first housing 311 or the first side wall 311b1 of the first side wall portion 311b through the first side coupling member 321a. For example, the first side coupling member 321a can be a 1-1 coupling member, a first edge coupling member, a first lower coupling member, a first lower edge coupling member, a first left coupling member, a first lower fixing member, a first lower edge fixing member, or a first left fixing member, but embodiments of the present disclosure are not limited thereto.

[0196] The second side coupling member 321b of the first coupling member 321 may be configured to couple the vibration member 331 to a second edge portion of the first housing 311 adjacent to the second short side of the first housing 311. For example, the second side coupling member 321b may be disposed (or inserted) in an area between the second side wall 311b2 of the first side wall portion 311b in the first housing 311 and the second rear edge portion of the vibration member 331. For example, the second side coupling member 321b may be disposed (or inserted) in the entire area between the second side wall 311b2 of the first side wall portion 311b and the second rear edge portion of the vibration member 331. For example, the second side coupling member 321b may be disposed (or inserted) over the entire area between the second side wall 311b2 of the first side wall portion 311b and the second rear edge portion of the vibration member 331 (or without an air gap). Therefore, the entire second rear edge portion of the vibration member 331 can be coupled (or fixed) to the first side wall portion 311b or the second side wall 311b2 of the first side wall portion 311b of the first housing 311 via the second side coupling member 321b. For example, the second side coupling member 321b can be a 1-2 coupling member, a second edge coupling member, a second lower coupling member, a second lower edge coupling member, a first right coupling member, a second lower fixing member, a second lower edge fixing member, or a first right fixing member, but embodiments of the present disclosure are not limited thereto.

[0197] The second coupling member 322 may be partially between the vibration member 331 and the second housing 312. The second coupling member 322 may be partially between an edge portion of the vibration member 331 and the second sidewall portion 312b of the second housing 312. For example, the second sidewall portion 312b of the second housing 312 may be partially connected or coupled to the second surface of the vibration member 331 via the second coupling member 322. For example, the second sidewall portion 312b of the second housing 312 may be partially connected or coupled to the edge portion of the second surface of the vibration member 331 via the second coupling member 322.

[0198] The second coupling member 322 according to an embodiment of the present disclosure may be disposed (or inserted) in an area between the second housing 312 and two edge portions adjacent to the short sides of the vibration member 331. For example, the second coupling member 322 may be disposed (or inserted) in an area between the second housing 312 and each of the first and second edge portions adjacent to the short sides of the vibration member 331. For example, the second coupling member 322 may be disposed (or inserted) over the entire area between the second housing 312 and each of the first and second edge portions adjacent to the short sides of the vibration member 331 (or without an air gap).

[0199] The second coupling member 322 according to an embodiment of the present disclosure may include a first side coupling member 322 a and a second side coupling member 322 b .

[0200] The first side coupling member 322a of the second coupling member 322 may be configured to couple the vibration member 331 to a first edge portion of the second housing 312 adjacent to a first short side of the second housing 312. For example, the first side coupling member 322a may be disposed (or inserted) in an area between the first side wall 312b1 of the second side wall portion 312b in the second housing 312 and the first front edge portion of the vibration member 331. For example, the first side coupling member 322a may be disposed (or inserted) in the entire area between the first side wall 312b1 of the second side wall portion 312b and the first front edge portion of the vibration member 331. For example, the first side coupling member 322a may be disposed (or inserted) over the entire area between the first side wall 312b1 of the second side wall portion 312b and the first front edge portion of the vibration member 331 (or without an air gap). Therefore, the entire first front edge portion of the vibration member 331 can be coupled (or fixed) to the second side wall portion 312b of the second housing 312 or the first side wall 312b1 of the second side wall portion 312b via the first side coupling member 322a. For example, the first side coupling member 322a can be a 2-1 coupling member, a first edge coupling member, a first upper coupling member, a first upper edge coupling member, a second left coupling member, a first upper fixing member, a first upper edge fixing member, or a second left fixing member, but embodiments of the present disclosure are not limited thereto.

[0201] The second side coupling member 322b of the second coupling member 322 can be configured to couple the vibration member 331 to a second edge portion of the second housing 312 adjacent to the second short side of the second housing 312. For example, the second side coupling member 322b can be disposed (or inserted) in an area between the second side wall 312b2 of the second side wall portion 312b in the second housing 312 and the second front edge portion of the vibration member 331. For example, the second side coupling member 322b can be disposed (or inserted) in the entire area between the second side wall 312b2 of the second side wall portion 312b and the second front edge portion of the vibration member 331. For example, the second side coupling member 322b can be disposed (or inserted) over the entire area between the second side wall 312b2 of the second side wall portion 312b and the second front edge portion of the vibration member 331 (or without an air gap). Therefore, the entire second front edge portion of the vibration member 331 can be coupled (or fixed) to the second side wall portion 312b of the second housing 312 or the second side wall 312b2 of the second side wall portion 312b via the second side coupling member 322b. For example, the second side coupling member 322b can be a 2-2 coupling member, a second edge coupling member, a second upper coupling member, a second upper edge coupling member, a second right coupling member, a second upper fixing member, a second upper edge fixing member, or a second right fixing member, but embodiments of the present disclosure are not limited thereto.

[0202] According to an embodiment of the present disclosure, the first coupling member 321 may not be disposed (or inserted) in the region between the first housing 311 and each of the third and fourth rear edge portions of the vibration member 331. For example, the first coupling member 321 may not be disposed (or inserted) in the region between the first sidewall portion 311b of the first housing 311 and each of the third and fourth rear edge portions of the vibration member 331. For example, the first coupling member 321 may not be disposed (or inserted) in the region between the third sidewall 311b3 of the first sidewall portion 311b and the third rear edge portion of the vibration member 331, and may not be disposed (or inserted) in the region between the fourth sidewall 311b4 of the first sidewall portion 311b and the fourth rear edge portion of the vibration member 331. Therefore, an air gap (or first air gap or lower air gap) AG may be disposed in the region between the first housing 311 and each of the third and fourth rear edge portions of the vibration member 331.

[0203] According to an embodiment of the present disclosure, the second coupling member 322 may not be disposed (or inserted) in the region between the second housing 312 and each of the third and fourth front edge portions of the vibration member 331. For example, the second coupling member 322 may not be disposed (or inserted) in the region between the second sidewall portion 312b of the second housing 312 and each of the third and fourth front edge portions of the vibration member 331. For example, the second coupling member 322 may not be disposed (or inserted) in the region between the third sidewall 312b3 of the second sidewall portion 312b and the third front edge portion of the vibration member 331, and may not be disposed (or inserted) in the region between the fourth sidewall 312b4 of the second sidewall portion 312b and the fourth front edge portion of the vibration member 331. Therefore, an air gap (or second air gap or upper air gap) AG may be disposed in the region between the second housing 312 and each of the third and fourth front edge portions of the vibration member 331.

[0204] According to an embodiment of the present disclosure, the first and second edge portions of the vibration member 331 can be coupled (or fixed) to the housing 310 via the first and second coupling members 321 and 322, and an air gap AG can be provided between the housing 310 and each of the third and fourth edge portions of the vibration member 331, thereby increasing or maximizing the displacement (or bending force) of the vibration member 331 in the direction of the long side length of the vibration member 331. Therefore, according to an embodiment of the present disclosure, due to the air gap AG between the housing 310 and each of the third and fourth edge portions of the vibration member 331, the displacement (or bending force) or amplitude displacement (or vibration width) of the vibration member 331 can be increased or maximized, and thus, the sound characteristics and / or sound pressure level characteristics of the mid- and low-pitched vocal cords generated based on the vibration (or displacement) of the vibration member 331 based on the vibration (or displacement) of the vibration device 333 can be increased (or enhanced).

[0205] According to an embodiment of the present disclosure, the coupling member 320 or the first coupling member 321 and the second coupling member 322 can be configured to minimize the transmission of vibration of the vibration member 331 to the first sidewall portion 311b of the first housing 311. The coupling member 320 or the first coupling member 321 and the second coupling member 322 can include material properties suitable for blocking vibration. For example, the coupling member 320 or the first coupling member 321 and the second coupling member 322 can include a material having elasticity. For example, the coupling member 320 or the first coupling member 321 and the second coupling member 322 can include a material having elasticity for vibration absorption (or shock absorption). According to an embodiment of the present disclosure, the coupling member 320 or the first coupling member 321 and the second coupling member 322 can be configured with a polyurethane material or a polyolefin material, but the embodiments of the present disclosure are not limited thereto. For example, the coupling member 320 or the first coupling member 321 and the second coupling member 322 may include one or more of an adhesive, a double-sided tape, 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 and a double-sided buffer tape, but the embodiments of the present disclosure are not limited thereto.

[0206] The sound device 30 or the housing 310 according to the embodiment of the present disclosure may further include an opening portion 310 o .

[0207] The opening 310o may be configured at the housing 310 so as to overlap with the sound generating module 330. The opening 310o may be configured at the first housing 311 so as to overlap with the sound generating module 330 relative to the thickness direction Z (or vertical direction) of the sound device 30. The opening 310o may be configured to pass through (or vertically pass through) the first housing 311 along the thickness direction Z (or vertical direction) of the housing 310. For example, the opening 310o may face or directly face the first surface of the sound generating module 330. The opening 310o may be connected to (or communicate with) the interior space 313 of the housing 310. For example, the opening 310o may be connected to the first space 313a of the housing 310. For example, the interior space 313 of the housing 310 may include a space connected to the opening 310o. For example, the interior space 313 of the housing 310 may include a first space 313a connected to the opening 310o.

[0208] The opening 310o can be configured to reduce the air pressure in the interior space 313 of the housing 310. The opening 310o can be configured to reduce the air pressure in the first space 313a of the first housing 311 or the air pressure in the first space 313a between the vibration member 331 and the first housing 311. As a result, the frequency band of the low-pitched vocal range can be expanded, and thus the sound characteristics of the low-pitched vocal range can be improved. For example, since the pressure (or air pressure) in the first space 313a of the housing 310 is reduced by the opening 310o, the displacement (or bending force) of the vibration member 331 between the vibration member 331 and the first housing 311 can be increased, and thus the frequency band of the low-pitched vocal range can be expanded, thereby enhancing the sound characteristics and / or sound pressure level characteristics of the low-pitched vocal range. Therefore, the sound (or sound pressure level) of the low-pitched vocal range generated by the vibration (or displacement) of the vibration member 331 based on the drive (or vibration or displacement) of the sound generation module 330 (or vibration device 333) can be improved.

[0209] According to an embodiment of the present disclosure, the opening 310o can be arranged to correspond to the center portion of the sound generating module 330 (or the vibration device 333). For example, the opening 310o may include a short axis and a long axis. For example, the opening 310o may include a linear shape passing through the center portion of the sound generating module 330 (or the vibration device 333), or may include a rectangular shape, but the embodiments of the present disclosure are not limited thereto. For example, the opening 310o may include a width (or a short axis length) parallel to the second direction Y or the short side length direction of the housing 310 and a length (or a long axis length) parallel to the first direction X or the long side length direction of the housing 310. For example, the length of the opening 310o may be less than the length (or long side length) of the vibration device 333, but the embodiments of the present disclosure are not limited thereto. For example, the opening 310o may be a hole, a slot, or a slit, but the embodiments of the present disclosure are not limited thereto. For example, the opening portion 310 o may be a sound emission portion, a first sound emission port, a sound output portion, a sound output port, a sound output hole, a duct hole, or a vent hole, but embodiments of the present disclosure are not limited thereto.

[0210] The opening portion 310o may be a space in which the sound (or sound waves) generated in the interior space 313 of the housing 310 based on the vibration of the sound generating module 330 is output to the external space of the housing 310, for example, the interior space of the vehicle. For example, the vibration or sound generated by the vibration (or displacement) of the vibration member 331 based on the vibration of the vibration device 333 may be output (or emitted) into the interior space of the vehicle through the opening portion 310o.

[0211] The first shell 311 of the shell 310 may further include a sloped surface (or inclined surface) 311s. The sloped surface 311s may be configured to slope between the opening 310o and the inner surface 311i of the first shell 311. The sloped surface 311s may be configured to guide the sound generated based on the vibration of the sound generating module 330 to the interior space of the vehicle. Therefore, the sound generated based on the vibration of the sound generating module 330 can be output to the interior space of the vehicle, and the sound characteristics and / or sound pressure level characteristics of the sound including the low-pitched vocal band can be more enhanced. For example, the sloped surface 311s may be a guide surface or a sound guiding surface, but the embodiments of the present disclosure are not limited thereto.

[0212] According to another embodiment of the present disclosure, the vibration or sound generated by the vibration member 331 based on the vibration of the sound generating module 330 (or the vibration device 333) can be transmitted (or output or released) to the vehicle interior material through the opening portion 310o, and the vehicle interior material can vibrate based on the vibration or sound transmitted through the opening portion 310o to output the sound to the interior space of the vehicle. Therefore, it is possible to generate sound based on the vibration of the vehicle interior material having a size larger than that of the sound device 30, and thus, it is possible to enhance the sound characteristics and / or sound pressure level characteristics of the tonal sound band, including the low-pitched sound band generated based on the driving (or vibration) of the sound device 30.

[0213] The sound device 30 according to an embodiment of the present disclosure may include a sound generating module 330 or a sound generating module 300 having a bimorph structure disposed within the interior space 313 of the housing 310, thereby enhancing the sound characteristics and / or sound pressure level characteristics of sounds including low-pitched vocal cords. Since the sound device 30 according to an embodiment of the present disclosure may include an air gap AG between the housing 310 and a portion of the vibration member 331, the displacement (or bending force) or amplitude displacement (or vibration width) of the vibration member 331 may be increased or maximized, thereby increasing (or enhancing) the sound characteristics and / or sound pressure level characteristics of the low-pitched vocal cords generated by the vibration (or displacement) of the vibration member 331 based on the vibration (or displacement) of the vibration device 333. Furthermore, since the sound device 30 according to an embodiment of the present disclosure includes the housing 310 having the opening 310o, the air pressure within the interior space 313 of the housing 310 may be reduced, thereby expanding the tonal vocal cords of the low-pitched vocal cords, thereby improving the sound characteristics and / or sound pressure level characteristics of the low-pitched vocal cords.

[0214] Figure 7 is a plan view showing a sound generating module and a coupling member in a sound device according to an experimental example. Figures 8 to 21 1 is a plan view showing various embodiments of a sound generating module and a coupling member in a sound device according to an embodiment of the present disclosure. For example, Figure 7 A coupling member provided at a vibration member in a sound device according to an experimental example is shown, and Figures 8 to 21 Various embodiments of coupling members provided at a vibration member in a sound device according to an embodiment of the present disclosure are shown. For ease of description, Figures 7 to 21 Only the first coupling member of the coupling member provided at the first surface of the vibration member is shown, and the second coupling member can be provided at the second surface of the vibration member like the first coupling member, and therefore, the description of the first coupling member can be applied to (or replaced by) the description of the second coupling member.

[0215] Reference Figure 7 In the sound device according to the experimental example, the coupling member 320 may be provided along the first edge portion PP1 to the fourth edge portion PP4 of the vibration member 331. The first coupling member 321 of the coupling member 320 may be provided along the first edge portion PP1 to the fourth edge portion PP4 of the vibration member 331. Therefore, in the sound device according to the experimental example, the entire area of each of the first edge portion PP1 to the fourth edge portion PP4 of the vibration member 331 may be coupled (or fixed) to the housing through the first coupling member 321. For example, in the sound device according to the experimental example, the vibration member 331 may have a four-sided fixed structure (or a four-sided constrained structure) through the coupling member 320.

[0216] Reference Figures 8 to 21 , the coupling member 320 according to an embodiment of the present disclosure may be disposed along the first edge portion PP1 and the second edge portion PP2 of the vibration member 331, and may be further disposed at a portion of the third edge portion PP3 and the fourth edge portion PP4 of the vibration member 331. For example, the coupling member 320 may be disposed in the entire area of the first edge portion PP1 and the second edge portion PP2 of the vibration member 331, and may be further disposed in other areas except one or more areas of each of the third edge portion PP3 and the fourth edge portion PP4 of the vibration member 331. For example, the first coupling member 321 of the coupling member 320 may be disposed in the entire area of the first edge portion PP1 and the second edge portion PP2 of the vibration member 331, and may be further disposed in other areas except one or more areas of each of the third edge portion PP3 and the fourth edge portion PP4 of the vibration member 331.

[0217] According to an embodiment of the present disclosure, each of the third edge portion PP3 and the fourth edge portion PP4 of the vibration member 331 may include a plurality of areas (or divided areas) LA1 to LA8. For example, each of the third edge portion PP3 and the fourth edge portion PP4 of the vibration member 331 may include a first area LA1 to an eighth area LA8. For example, in each of the third edge portion PP3 and the fourth edge portion PP4 of the vibration member 331, the first area LA1 may be adjacent to the first edge portion PP1, and the eighth area LA8 may be adjacent to the second edge portion PP2.

[0218] According to an embodiment of the present disclosure, the coupling member 320 or the first coupling member 321 may be disposed in other areas other than one or more areas among the first to eighth areas LA1 to LA8 in each of the third edge portion PP3 and the fourth edge portion PP4 of the vibration member 331. Therefore, since the coupling member 320 or the first coupling member 321 may be disposed in other areas other than one or more areas among the first to eighth areas LA1 to LA8 in each of the third edge portion PP3 and the fourth edge portion PP4 of the vibration member 331, the displacement amount (or bending force) or amplitude displacement (or vibration width) of the vibration member 331 in the long side length direction may be increased or maximized, and thus, the sound characteristics and / or sound pressure level characteristics of the mid-low pitch vocal cords generated based on the vibration of the vibration member 331 based on the vibration (or displacement) of the vibration device 333 may be increased (or enhanced).

[0219] The coupling member 320 or the first coupling member 321 according to an embodiment of the present disclosure may include a first side coupling member 321a, a second side coupling member 321b, a third side coupling member 321c, and a fourth side coupling member 321d. For example, the third side coupling member 321c may be a 1-3 coupling member, a third lower coupling member, a third lower edge coupling member, a first upper coupling member, a third lower fixing member, a third lower edge fixing member, or a first upper fixing member, but embodiments of the present disclosure are not limited thereto. For example, the fourth side coupling member 321d may be a 1-4 coupling member, a fourth lower coupling member, a fourth lower edge coupling member, a first lower coupling member, a fourth lower fixing member, a fourth lower edge fixing member, or a first lower fixing member, but embodiments of the present disclosure are not limited thereto.

[0220] Reference Figure 8 , the first side coupling member 321a may be provided in the entire area of the first edge portion PP1 of the vibration member 331. The second side coupling member 321b may be provided in the entire area of the second edge portion PP2 of the vibration member 331. The third side coupling member 321c may be provided in the second area LA2 to the eighth area LA8 excluding the first area LA1 of the first area LA1 to the eighth area LA8 of the third edge portion PP3 of the vibration member 331. The fourth side coupling member 321d may be provided in the second area LA2 to the eighth area LA8 excluding the first area LA1 of the first area LA1 to the eighth area LA8 of the fourth edge portion PP4 of the vibration member 331. For example, referring to Figure 8The vibration member 331 described above can have an overall fixing structure of the two short sides and a 7 / 8 fixing structure of the two long sides by using the coupling member 320. For example, the vibration member 331 can be fixed to all two short sides by using the coupling member 320, and can be fixed to seven areas of each of the two long sides.

[0221] Reference Figure 9 , the first side coupling member 321a may be provided in the entire area of the first edge portion PP1 of the vibration member 331. The second side coupling member 321b may be provided in the entire area of the second edge portion PP2 of the vibration member 331. The third side coupling member 321c may be provided in the third area LA3 to the eighth area LA8 excluding the first area LA1 and the second area LA2 of the first area LA1 to the eighth area LA8 of the third edge portion PP3 of the vibration member 331. The fourth side coupling member 321d may be provided in the third area LA3 to the eighth area LA8 excluding the first area LA1 and the second area LA2 of the first area LA1 to the eighth area LA8 of the fourth edge portion PP4 of the vibration member 331. For example, referring to Figure 9 The vibration member 331 described above can have an overall fixing structure of the two short sides and a 6 / 8 fixing structure of the two long sides by using the coupling member 320. For example, the vibration member 331 can be fixed to all two short sides by using the coupling member 320, and can be fixed to six areas of each of the two long sides.

[0222] Reference Figure 10 , the first side coupling member 321a may be provided in the entire area of the first edge portion PP1 of the vibration member 331. The second side coupling member 321b may be provided in the entire area of the second edge portion PP2 of the vibration member 331. The third side coupling member 321c may be provided in the fourth area LA4 to the eighth area LA8 excluding the first area LA1 to the third area LA3 of the first area LA1 to the eighth area LA8 of the third edge portion PP3 of the vibration member 331. The fourth side coupling member 321d may be provided in the fourth area LA4 to the eighth area LA8 excluding the first area LA1 to the third area LA3 of the first area LA1 to the eighth area LA8 of the fourth edge portion PP4 of the vibration member 331. For example, referring to Figure 10 The vibration member 331 described above can have an overall fixing structure of the two short sides and a 5 / 8 fixing structure of the two long sides by using the coupling member 320. For example, the vibration member 331 can be fixed to all two short sides by using the coupling member 320, and can be fixed to five areas of each of the two long sides.

[0223] Reference Figure 11 , the first side coupling member 321a may be provided in the entire area of the first edge portion PP1 of the vibration member 331. The second side coupling member 321b may be provided in the entire area of the second edge portion PP2 of the vibration member 331. The third side coupling member 321c may be provided in the fifth area LA5 to the eighth area LA8 excluding the first area LA1 to the fourth area LA4 of the first area LA1 to the eighth area LA8 of the third edge portion PP3 of the vibration member 331. The fourth side coupling member 321d may be provided in the fifth area LA5 to the eighth area LA8 excluding the first area LA1 to the fourth area LA4 of the first area LA1 to the eighth area LA8 of the fourth edge portion PP4 of the vibration member 331. For example, referring to Figure 11 The vibration member 331 described above can have an overall fixing structure of the two short sides and a 4 / 8 fixing structure of the two long sides by using the coupling member 320. For example, the vibration member 331 can be fixed to both short sides by using the coupling member 320, and can be fixed to four areas in the area of each of the two long sides.

[0224] Reference Figure 12 , the first side coupling member 321a may be provided in the entire area of the first edge portion PP1 of the vibration member 331. The second side coupling member 321b may be provided in the entire area of the second edge portion PP2 of the vibration member 331. The third side coupling member 321c may be provided in the sixth area LA6 to the eighth area LA8 excluding the first area LA1 to the fifth area LA5 of the first area LA1 to the eighth area LA8 of the third edge portion PP3 of the vibration member 331. The fourth side coupling member 321d may be provided in the sixth area LA6 to the eighth area LA8 excluding the first area LA1 to the fifth area LA5 of the first area LA1 to the eighth area LA8 of the fourth edge portion PP4 of the vibration member 331. For example, referring to Figure 12 The vibration member 331 described above can have an overall fixing structure of the two short sides and a 3 / 8 fixing structure of the two long sides by using the coupling member 320. For example, the vibration member 331 can be fixed to both short sides by using the coupling member 320, and can be fixed to three areas of each of the two long sides.

[0225] Reference Figure 13, the first side coupling member 321a may be provided in the entire area of the first edge portion PP1 of the vibration member 331. The second side coupling member 321b may be provided in the entire area of the second edge portion PP2 of the vibration member 331. The third side coupling member 321c may be provided in the seventh area LA7 and the eighth area LA8 excluding the first area LA1 to the sixth area LA6 of the first area LA1 to the eighth area LA8 of the third edge portion PP3 of the vibration member 331. The fourth side coupling member 321d may be provided in the seventh area LA7 and the eighth area LA8 excluding the first area LA1 to the sixth area LA6 of the first area LA1 to the eighth area LA8 of the fourth edge portion PP4 of the vibration member 331. For example, referring to Figure 13 The vibration member 331 described above can have an overall fixing structure of the two short sides and a 2 / 8 fixing structure of the two long sides by using the coupling member 320. For example, the vibration member 331 can be fixed to both short sides by using the coupling member 320, and can be fixed to two areas in the area of each of the two long sides.

[0226] Reference Figure 14 , the first side coupling member 321a may be provided in the entire area of the first edge portion PP1 of the vibration member 331. The second side coupling member 321b may be provided in the entire area of the second edge portion PP2 of the vibration member 331. The third side coupling member 321c may be provided in the eighth area LA8 excluding the first to seventh areas LA1 to LA7 of the first to eighth areas LA1 to LA8 of the third edge portion PP3 of the vibration member 331. The fourth side coupling member 321d may be provided in the eighth area LA8 excluding the first to seventh areas LA1 to LA7 of the first to eighth areas LA1 to LA8 of the fourth edge portion PP4 of the vibration member 331. For example, referring to Figure 14 The vibration member 331 described above may have a two short side fixing structure and a 1 / 8 fixing structure of the two long sides by using the coupling member 320. For example, the vibration member 331 may be fixed to both short sides by using the coupling member 320, and may be fixed to one region of each of the two long sides.

[0227] Reference Figure 15 , the first side coupling member 321a may be provided in the entire area of the first edge portion PP1 of the vibration member 331. The second side coupling member 321b may be provided in the entire area of the second edge portion PP2 of the vibration member 331. The third side coupling member 321c may not be provided in the third edge portion PP3 of the vibration member 331. The fourth side coupling member 321d may not be provided in the fourth edge portion PP4 of the vibration member 331. For example, referring to Figure 15 The vibration member 331 described may have a two short side fixing structure by the coupling member 320. For example, the vibration member 331 may be fixed to both short sides by the coupling member 320.

[0228] Reference Figure 16 , the first side coupling member 321a may be provided in the entire area of the first edge portion PP1 of the vibration member 331. The second side coupling member 321b may be provided in the entire area of the second edge portion PP2 of the vibration member 331. The third side coupling member 321b may be provided in the first to third areas LA1 to LA3 and the sixth to eighth areas LA6 to LA8 excluding the fourth and fifth areas LA4 and LA5 of the first to eighth areas LA1 to LA8 of the third edge portion PP3 of the vibration member 331. The fourth side coupling member 321d may be provided in the first to third areas LA1 to LA3 and the sixth to eighth areas LA6 to LA8 excluding the fourth and fifth areas LA4 and LA5 of the first to eighth areas LA1 to LA8 of the fourth edge portion PP4 of the vibration member 331. For example, referring to Figure 16 The vibration member 331 described above can have an overall fixed structure for the two short sides and a 6 / 8 edge fixed structure for the two long sides by using the coupling member 320. For example, the vibration member 331 can be fixed to both short sides by using the coupling member 320, and can be fixed to three areas in the area of each of the two long sides. For example, the coupling member 320 can be provided in the entire area of the first edge portion PP1 of the vibration member 331 and a portion of each of the third edge portion PP3 and the fourth edge portion PP4. For example, the first side coupling member 321a can partially connect the third side coupling member 321c to the fourth side coupling member 321d. For example, the second side coupling member 321b can partially connect the third side coupling member 321c to the fourth side coupling member 321d.

[0229] Reference Figure 17, the first side coupling member 321a may be provided in the entire area of the first edge portion PP1 of the vibration member 331. The second side coupling member 321b may be provided in the entire area of the second edge portion PP2 of the vibration member 331. The third side coupling member 321b may be provided in the first and second areas LA1 and LA2 and the seventh and eighth areas LA7 and LA8 excluding the third to sixth areas LA3 and LA6 of the first to eighth areas LA1 to LA8 of the third edge portion PP3 of the vibration member 331. The fourth side coupling member 321d may be provided in the first and second areas LA1 and LA2 and the seventh and eighth areas LA7 and LA8 excluding the third to sixth areas LA3 and LA6 of the first to eighth areas LA1 to LA8 of the fourth edge portion PP4 of the vibration member 331. For example, referring to Figure 17 The vibration member 331 described above can have an overall fixed structure for the two short sides and a 4 / 8 edge fixed structure for the two long sides by using the coupling member 320. For example, the vibration member 331 can be fixed to both short sides by using the coupling member 320, and can be fixed to two areas within the area of each of the two long sides. For example, the coupling member 320 can be provided in the entire area of the first edge portion PP1 of the vibration member 331 and in a portion of each of the third edge portion PP3 and the fourth edge portion PP4. For example, the first side coupling member 321a can partially connect the third side coupling member 321c to the fourth side coupling member 321d. For example, the second side coupling member 321b can partially connect the third side coupling member 321c to the fourth side coupling member 321d.

[0230] Reference Figure 18 , the first side coupling member 321a may be provided in the entire area of the first edge portion PP1 of the vibration member 331. The second side coupling member 321b may be provided in the entire area of the second edge portion PP2 of the vibration member 331. The third side coupling member 321b may be provided in the first area LA1 and the eighth area LA8 excluding the second area LA2 to the seventh area LA7 of the first area LA1 to the eighth area LA8 of the third edge portion PP3 of the vibration member 331. The fourth side coupling member 321d may be provided in the first area LA1 and the eighth area LA8 excluding the second area LA2 to the seventh area LA7 of the first area LA1 to the eighth area LA8 of the fourth edge portion PP4 of the vibration member 331. For example, referring to Figure 18The vibration member 331 described above can have an overall fixed structure for the two short sides and a 2 / 8 edge fixed structure for the two long sides by using the coupling member 320. For example, the vibration member 331 can be fixed to both short sides by using the coupling member 320, and can be fixed to one area within the area of each of the two long sides. For example, the coupling member 320 can be provided in the entire area of the first edge portion PP1 of the vibration member 331 and in a portion of each of the third edge portion PP3 and the fourth edge portion PP4. For example, the first side coupling member 321a can partially connect the third side coupling member 321c to the fourth side coupling member 321d. For example, the second side coupling member 321b can partially connect the third side coupling member 321c to the fourth side coupling member 321d.

[0231] Reference Figure 19 , the first side coupling member 321a may be provided in the entire area of the first edge portion PP1 of the vibration member 331. The second side coupling member 321b may be provided in the entire area of the second edge portion PP2 of the vibration member 331. The third side coupling member 321b may be provided in the fourth area LA4 and the fifth area LA5 excluding the first to third areas LA3 and the sixth to eighth areas LA6 of the third edge portion PP3 of the vibration member 331. The fourth side coupling member 321d may be provided in the fourth area LA4 and the fifth area LA5 excluding the first to third areas LA3 and the sixth to eighth areas LA6 of the first to eighth areas LA8 of the fourth edge portion PP4 of the vibration member 331. For example, referring to Figure 19 The vibration member 331 described can have an overall fixing structure of the two short sides and a 2 / 8 intermediate fixing structure of the two long sides by using the coupling member 320. For example, the vibration member 331 can be fixed to both short sides by using the coupling member 320, and can be fixed to two areas in the area of each of the two long sides. For example, the two areas can be the central area of each of the third edge portion PP3 and the fourth edge portion PP4. For example, the two areas can correspond to the central area of the vibration device 333. For example, the two areas can overlap with the central area of the vibration device 333. For example, the coupling member 320 can be provided in the entire area of the first edge portion PP1 of the vibration member 331 and a portion of each of the third edge portion PP3 and the fourth edge portion PP4.

[0232] Reference Figure 20, the first side coupling member 321a may be provided in the entire area of the first edge portion PP1 of the vibration member 331. The second side coupling member 321b may be provided in the entire area of the second edge portion PP2 of the vibration member 331. The third side coupling member 321b may be provided in the third area LA3 to the sixth area LA6 excluding the first and second areas LA1 and LA2 and the seventh and eighth areas LA7 and LA8 of the first area LA1 to the eighth area LA8 of the third edge portion PP3 of the vibration member 331. The fourth side coupling member 321d may be provided in the third area LA3 to the sixth area LA6 excluding the first and second areas LA1 and LA2 and the seventh and eighth areas LA7 and LA8 of the first area LA1 to the eighth area LA8 of the fourth edge portion PP4 of the vibration member 331. For example, referring to Figure 20 The vibration member 331 described can have an integral fixing structure for the two short sides and a 4 / 8 intermediate fixing structure for the two long sides by using the coupling member 320. For example, the vibration member 331 can be fixed to both short sides by using the coupling member 320, and can be fixed to four areas in the area of each of the two long sides. For example, these four areas can be the central area of each of the third edge portion PP3 and the fourth edge portion PP4. For example, these four areas can correspond to the central area of the vibration device 333. For example, these four areas can overlap with the central area of the vibration device 333. For example, the coupling member 320 can be provided in the entire area of the first edge portion PP1 of the vibration member 331 and a portion of each of the third edge portion PP3 and the fourth edge portion PP4.

[0233] Reference Figure 21 , the first side coupling member 321a may be provided in the entire area of the first edge portion PP1 of the vibration member 331. The second side coupling member 321b may be provided in the entire area of the second edge portion PP2 of the vibration member 331. The third side coupling member 321b may be provided in the second area LA2 to the seventh area LA7 excluding the first area LA1 and the eighth area LA8 of the first area LA1 to the eighth area LA8 of the third edge portion PP3 of the vibration member 331. The fourth side coupling member 321d may be provided in the second area LA2 to the seventh area LA7 excluding the first area LA1 and the eighth area LA8 of the first area LA1 to the eighth area LA8 of the fourth edge portion PP4 of the vibration member 331. For example, referring to Figure 21The vibration member 331 described can have an integral fixing structure of the two short sides and a 6 / 8 intermediate fixing structure of the two long sides by using the coupling member 320. For example, the vibration member 331 can be fixed to all two short sides by using the coupling member 320, and can be fixed to six areas in the area of each of the two long sides. For example, these six areas can be the central area of each of the third edge portion PP3 and the fourth edge portion PP4. For example, these six areas can correspond to the central area of the vibration device 333. For example, these six areas can overlap with the central area of the vibration device 333. For example, these six areas can be larger than the area of the vibration device 333. For example, the coupling member 320 can be set in the entire area of the first edge portion PP1 of the vibration member 331 and a portion of each of the third edge portion PP3 and the fourth edge portion PP4.

[0234] Figures 22 to 26 : is a plan view showing a sound generating module and a coupling member in a sound device according to another embodiment of the present disclosure. For example, Figures 22 to 26 Shown by modifying the above reference Figures 3 to 6 or Figure 15 For ease of description, Figures 22 to 26 Only the first coupling member of the coupling members provided at the first surface of the vibration member is shown, and the second coupling member may be provided at the second surface of the vibration member similarly to the first coupling member, and therefore, description of the second coupling member is omitted.

[0235] Reference Figures 22 to 26 In a sound device according to another embodiment of the present disclosure, the vibration member 331 may include a first extension portion EP1 extending from the first short side SS1 and a second extension portion EP2 extending from the second short side SS2. Each of the first extension portion EP1 and the second extension portion EP2 of the vibration member 331 may extend along the first direction X, or the length of the long side of the vibration member 331. For example, with respect to the first direction X, or the length of the long side of the vibration member 331, each of the first extension portion EP1 and the second extension portion EP2 of the vibration member 331 may be an area at least 1.5 times or more the length of the short side of the vibration member 331 from the center portion of the vibration member 331, but embodiments of the present disclosure are not limited thereto. For example, the length of the long side of the vibration member 331 may be at least three times or more the length of the short side of the vibration member 331, but embodiments of the present disclosure are not limited thereto. For example, the natural frequency of the vibration member 331 may be reduced by the first extension portion EP1 and the second extension portion EP2.

[0236] According to another embodiment of the present disclosure, regarding the size (or area) of the vibration member 331, Figures 22 to 26 The size (or area) of the vibration member 331 shown may be larger than that shown in the above reference. Figures 3 to 21 For the convenience of description, the size (or area) of the vibration member 331 is described above. Figures 3 to 21 The described vibration member 331 may be referred to as a reference vibration member.

[0237] Reference Figure 22 , the coupling member 320 or the first coupling member 321 according to another embodiment of the present disclosure may be provided in each of the first extension portion EP1 and the second extension portion EP2 of the vibration member 331, and may or may not be provided in a portion of each of the third edge portion PP3 and the fourth edge portion PP4 of the vibration member 331.

[0238] With respect to the first direction X or the length direction of the long side of the vibration member 331, each of the first extension portion EP1 and the second extension portion EP2 of the vibration member 331 may extend from the short sides SS1 and SS2 of the reference vibration member. For example, the extension width of each of the first extension portion EP1 and the second extension portion EP2 may be equal to the width of the coupling member 320 (or the first coupling member 321), but embodiments of the present disclosure are not limited thereto.

[0239] The coupling member 320 or the first coupling member 321 may include a first side coupling member 321 a and a second side coupling member 321 b .

[0240] The first side coupling member (or 1-1th coupling member) 321a may be provided in the first extending portion EP1 of the vibration member 331. For example, the first side coupling member 321a may be provided in the entire region of the first extending portion EP1 of the vibration member 331.

[0241] The second side coupling member (or 1-2 coupling member) 321b may be provided in the second extending portion EP2 of the vibration member 331. For example, the second side coupling member 321b may be provided in the entire region of the second extending portion EP2 of the vibration member 331.

[0242] Reference Figure 23 , the coupling member 320 or the first coupling member 321 according to another embodiment of the present disclosure may be provided in each of the first extension portion EP1 and the second extension portion EP2 of the vibration member 331, and may not be provided in each of the third edge portion PP3 and the fourth edge portion PP4 of the vibration member 331.

[0243] Each of the first extension portion EP1 and the second extension portion EP2 of the vibration member 331 may extend from the short sides SS1 and SS2 of the vibration member with reference to the first direction X or the long side length direction of the vibration member 331. For example, the extension width of each of the first extension portion EP1 and the second extension portion EP2 may be two or more times greater than the width of the coupling member 320 (or the first coupling member 321), but embodiments of the present disclosure are not limited thereto.

[0244] The coupling member 320 or the first coupling member 321 may include a first side coupling member 321 a and a second side coupling member 321 b .

[0245] The first side coupling member (or 1-1 coupling member) 321a may be provided in an edge portion of the first extension portion EP1 adjacent to the short side. For example, the first side coupling member 321a may be provided between the housing and the edge portion of the first extension portion EP1 adjacent to the short side.

[0246] The second side coupling member (or 1-2 coupling member) 321b may be provided in an edge portion of the second extension portion EP2 adjacent to the short side. For example, the second side coupling member 321b may be provided between the housing and the edge portion of the second extension portion EP2 adjacent to the short side.

[0247] Reference Figure 24 , the coupling member 320 or the first coupling member 321 according to another embodiment of the present disclosure may be provided in each of the first extension portion EP1 and the second extension portion EP2 of the vibration member 331, and may or may not be provided in a portion of each of the third edge portion PP3 and the fourth edge portion PP4 of the vibration member 331.

[0248] With respect to the first direction X or the length direction of the long side of the vibration member 331, each of the first extension portion EP1 and the second extension portion EP2 of the vibration member 331 may extend from the short sides SS1 and SS2 of the reference vibration member. For example, the extension width of each of the first extension portion EP1 and the second extension portion EP2 may be equal to the width of the coupling member 320 (or the first coupling member 321), but embodiments of the present disclosure are not limited thereto.

[0249] The coupling member 320 or the first coupling member 321 may include a first side coupling member 321 a , a second side coupling member 321 b , a third side coupling member 321 c , and a fourth side coupling member 321 d .

[0250] The first side coupling member (or 1-1th coupling member) 321a may be provided in the first extending portion EP1 of the vibration member 331. For example, the first side coupling member 321a may be provided in the entire region of the first extending portion EP1 of the vibration member 331.

[0251] The second side coupling member (or 1-2 coupling member) 321b may be provided in the second extending portion EP2 of the vibration member 331. For example, the second side coupling member 321b may be provided in the entire region of the second extending portion EP2 of the vibration member 331.

[0252] The third side coupling member (or the 1-3 coupling member) 321c may be disposed between the housing and the third edge portion PP3 of the vibration member 331 so as to be adjacent to each of the first side coupling member 321a and the second side coupling member 321b. For example, the width (or length) of the third side coupling member 321c may be equal to the width of the first side coupling member 321a (or the second side coupling member 321b) with respect to the first direction X or the long side length direction of the vibration member 331, but embodiments of the present disclosure are not limited thereto.

[0253] The fourth side coupling member (or the 1st to 4th coupling member) 321d may be disposed between the housing and the fourth edge portion PP4 of the vibration member 331 so as to be adjacent to each of the first side coupling member 321a and the second side coupling member 321b. For example, with respect to the first direction X or the long side length direction of the vibration member 331, the width (or length) of the fourth side coupling member 321d may be equal to the width of the first side coupling member 321a (or the second side coupling member 321b), but embodiments of the present disclosure are not limited thereto.

[0254] Reference Figure 25 , the coupling member 320 or the first coupling member 321 according to another embodiment of the present disclosure may be provided in each of the first extension portion EP1 and the second extension portion EP2 of the vibration member 331, and may or may not be provided in a portion of each of the third edge portion PP3 and the fourth edge portion PP4 of the vibration member 331.

[0255] Each of the first extension portion EP1 and the second extension portion EP2 of the vibration member 331 may extend from the short sides SS1 and SS2 of the vibration member with reference to the first direction X or the length direction of the long side of the vibration member 331. For example, the extension width (or length) of each of the first extension portion EP1 and the second extension portion EP2 may be two or more times greater than the width of the coupling member 320 (or the first coupling member 321), but embodiments of the present disclosure are not limited thereto.

[0256] The coupling member 320 or the first coupling member 321 may include a first side coupling member 321 a , a second side coupling member 321 b , a third side coupling member 321 c , and a fourth side coupling member 321 d .

[0257] The first side coupling member (or 1-1 coupling member) 321a may be provided in an edge portion of the first extension portion EP1 adjacent to the short side. For example, the first side coupling member 321a may be provided between the housing and the edge portion of the first extension portion EP1 adjacent to the short side.

[0258] The second side coupling member (or 1-2 coupling member) 321b may be provided in an edge portion of the second extension portion EP2 adjacent to the short side. For example, the second side coupling member 321b may be provided between the housing and the edge portion of the second extension portion EP2 adjacent to the short side.

[0259] The third side coupling member (or the 1-3 coupling member) 321c can be disposed between the housing and the third edge portion PP3 of the vibration member 331 so as to be adjacent to each of the first side coupling member 321a and the second side coupling member 321b. For example, the third side coupling member 321c can be disposed between the housing and an edge portion of each of the first extension portion EP1 and the second extension portion EP2 that is adjacent to the first long side of the vibration member 331. For example, with respect to the first direction X or the length direction of the long side of the vibration member 331, the length of the third side coupling member 321c can be equal to the extended length of the first extension portion EP1 (or the second extension portion EP2), but embodiments of the present disclosure are not limited thereto.

[0260] The fourth side coupling member (or the 1st to 4th coupling member) 321d can be disposed between the housing and the fourth edge portion PP4 of the vibration member 331 so as to be adjacent to each of the first side coupling member 321a and the second side coupling member 321b. For example, the fourth side coupling member 321d can be disposed between the housing and an edge portion of each of the first extension portion EP1 and the second extension portion EP2 that is adjacent to the second long side of the vibration member 331. For example, with respect to the first direction X or the direction of the long side length of the vibration member 331, the length of the fourth side coupling member 321d can be equal to the extended length of the first extension portion EP1 (or the second extension portion EP2), but embodiments of the present disclosure are not limited thereto.

[0261] Reference Figure 26, the coupling member 320 or the first coupling member 321 according to another embodiment of the present disclosure may be provided in each of the first extension portion EP1 and the second extension portion EP2 of the vibration member 331, and may or may not be provided in a portion of each of the third edge portion PP3 and the fourth edge portion PP4 of the vibration member 331.

[0262] Each of the first extension portion EP1 and the second extension portion EP2 of the vibration member 331 may extend from the short sides SS1 and SS2 of the vibration member with reference to the first direction X or the long side length direction of the vibration member 331. For example, the extension width of each of the first extension portion EP1 and the second extension portion EP2 may be two or more times greater than the width of the coupling member 320 (or the first coupling member 321), but embodiments of the present disclosure are not limited thereto.

[0263] The coupling member 320 or the first coupling member 321 may include a first side coupling member 321 a , a second side coupling member 321 b , a third side coupling member 321 c , and a fourth side coupling member 321 d .

[0264] The first side coupling member (or 1-1 coupling member) 321a may be provided in an edge portion of the first extension portion EP1 adjacent to the short side. For example, the first side coupling member 321a may be provided between the housing and the edge portion of the first extension portion EP1 adjacent to the short side.

[0265] The second side coupling member (or 1-2 coupling member) 321b may be provided in an edge portion of the second extension portion EP2 adjacent to the short side. For example, the second side coupling member 321b may be provided between the housing and the edge portion of the second extension portion EP2 adjacent to the short side.

[0266] The third side coupling member (or the 1st-3rd coupling member) 321c may be provided between the housing and the third edge portion PP3 of the vibration member 331 adjacent to each of the first extension portion EP1 and the second extension portion EP2 so as to be spaced apart from each of the first side coupling member 321a and the second side coupling member 321b. For example, with respect to the first direction X or the long side length direction of the vibration member 331, the width (or length) of the third side coupling member 321c may be equal to the width of the first side coupling member 321a (or the second side coupling member 321b), but embodiments of the present disclosure are not limited thereto.

[0267] The fourth side coupling member (or the 1st to 4th coupling member) 321d may be disposed between the housing and the fourth edge portion PP4 of the vibration member 331 adjacent to each of the first extension portion EP1 and the second extension portion EP2 so as to be spaced apart from each of the first side coupling member 321a and the second side coupling member 321b. For example, with respect to the first direction X or the long side length direction of the vibration member 331, the width (or length) of the fourth side coupling member 321d may be equal to the width of the first side coupling member 321a (or the second side coupling member 321b), but embodiments of the present disclosure are not limited thereto.

[0268] According to the above reference Figures 22 to 26 In another embodiment of the present disclosure, a third side coupling member (or first-third coupling member) 321c may be disposed between the housing 310 and at least a portion of an edge portion PP3 of each of the first and second extensions EP1 and EP2, adjacent to the first long side of the vibration member 331. Furthermore, a fourth side coupling member (or first-fourth coupling member) 321d may be disposed between the housing 310 and at least a portion of an edge portion PP4 of each of the first and second extensions EP1 and EP2, adjacent to the second long side of the vibration member 331. Thus, the vibration member 331 may have a natural frequency similar to that of a reference vibration member, or may have a natural frequency lower than that of the reference vibration member due to the first and second extensions EP1 and EP2. Thus, the third and fourth side coupling members 321c and 321d may be used to tune the natural frequency or vibration characteristics of the vibration member 331, which has a size relatively larger than that of the reference vibration member. For example, the width (or length) and arrangement position of each of the third side coupling member 321c and the fourth side coupling member 321d can be used to tune the natural frequency or vibration characteristics of the vibration member 331 having a size relatively larger than that of the reference vibration member to the natural frequency or vibration characteristics of the reference vibration member.

[0269] Figure 27 : is a plan view showing a sound generating module and a coupling member in a sound device according to another embodiment of the present disclosure. For example, Figure 27 Shown by modifying the above reference Figures 3 to 6 or Figure 15 For ease of description, Figure 27 Only the first coupling member of the coupling members provided at the first surface of the vibration member is shown, and the second coupling member may be provided at the second surface of the vibration member similarly to the first coupling member, and therefore, description of the second coupling member is omitted.

[0270] Reference Figure 27, in the sound device according to another embodiment of the present disclosure, the sound generating module 330 may include a vibration member 331 and a first vibration device 333 a .

[0271] The vibration member 331 may have a rectangular shape with a short side and a long side, but embodiments of the present disclosure are not limited thereto. For example, in the vibration member 331, the long side may be six times the length of the short side, or may be twice the length of the long side of the reference vibration member, but embodiments of the present disclosure are not limited thereto.

[0272] The vibration member 331 may include a first area A1 and a second area A2. In the vibration member 331, the first area A1 and the second area A2 may be symmetrical with respect to the center (or center line) CL of the long side length or have the same size (or area), but embodiments of the present disclosure are not limited thereto.

[0273] The first vibration device 333a may be configured to vibrate each of the first area A1 and the second area A2 of the vibration member 331. The first vibration device 333a may be provided (or configured) in each of the first area A1 and the second area A2 of the vibration member 331.

[0274] The first vibration device 333 a according to another embodiment of the present disclosure may include a 1-1th vibration device 333 a 1 and a 1-2th vibration device 333 a 2 .

[0275] The 1-1st vibration device 333a1 can be configured to vibrate the first area A1 of the vibration member 331. The 1-1st vibration device 333a1 can be set (or configured) in the first area A1 of the vibration member 331. For example, one end (or one side) of the 1-1st vibration device 333a1 adjacent to the second area A2 of the vibration member 331 can be positioned or aligned at the center (or centerline) CL of the long side length of the vibration member 331, but the embodiments of the present disclosure are not limited thereto. For example, the center portion of the 1-1st vibration device 333a1 can be positioned (or aligned) at the center portion of the first area A1 of the vibration member 331, or can be positioned (or aligned) in the area between the center portion of the first area A1 and the second area A2 of the vibration member 331.

[0276] The 1-2 vibration device 333a2 can be configured to vibrate the second area A2 of the vibration member 331. The 1-2 vibration device 333a2 can be set (or configured) in the second area A2 of the vibration member 331. For example, one end (or one side) of the 1-2 vibration device 333a2 adjacent to the first area A1 of the vibration member 331 can be positioned or aligned at the center (or centerline) CL of the long side length of the vibration member 331, but embodiments of the present disclosure are not limited thereto. For example, one end (or one side) of the 1-2 vibration device 333a2 can contact one end (or one side) of the 1-1 vibration device 333a1, but embodiments of the present disclosure are not limited thereto. For example, the center portion of the 1-2 vibration device 333a2 can be positioned (or aligned) at the center portion of the second area A2 of the vibration member 331, or can be positioned (or aligned) in the area between the center portion of the second area A2 of the vibration member 331 and the first area A1.

[0277] In a sound device according to another embodiment of the present disclosure, the coupling member 320 may be disposed along the first edge portion PP1 and the second edge portion PP2 of the vibration member 331 adjacent to the short side, and may be further disposed at a portion of the third edge portion PP3 and the fourth edge portion PP4 of the vibration member 331 adjacent to the long side. For example, the coupling member 320 may be disposed in the entire area of the first edge portion PP1 and the second edge portion PP2 of the vibration member 331, and may be disposed in each of the third edge portion PP3 and the fourth edge portion PP4 of one of the first area A1 and the second area A2 of the vibration member 331. For example, the first coupling member 321 of the coupling member 320 may be disposed in the entire area of the first edge portion PP1 and the second edge portion PP2 of the vibration member 331, and may be further disposed in each of the third edge portion PP3 and the fourth edge portion PP4 of the second area A2 of the vibration member 331. For example, Figure 27 The vibration member 331 shown may have an entirely fixed structure of two short sides and a half fixed structure of two long sides by using the coupling member 320 .

[0278] The coupling member 320 or the first coupling member 321 according to another embodiment of the present disclosure may include a first side coupling member 321 a , a second side coupling member 321 b , a third side coupling member 321 c , and a fourth side coupling member 321 d .

[0279] The first side coupling member (or 1-1 coupling member) 321a may be provided in the first edge portion PP1 adjacent to the first short side of the vibration member 331. For example, the first side coupling member 321a may be provided in the entire area of the first edge portion PP1 of the vibration member 331.

[0280] The second side coupling member (or 1-2 coupling member) 321b may be provided in the second edge portion PP2 adjacent to the second short side of the vibration member 331. For example, the second side coupling member 321b may be provided in the entire area of the second edge portion PP2 of the vibration member 331.

[0281] The third side coupling member (or the 1-3 coupling member) 321c may be provided in the third edge portion PP3 of the vibration member 331 adjacent to the first long side in the second area A2 of the vibration member 331. For example, the third side coupling member 321c may be provided in the entire area of the second area A2 in the third edge portion PP3 of the vibration member 331.

[0282] The fourth side coupling member (or the 1st to 4th coupling member) 321d may be provided in the fourth edge portion PP4 of the vibration member 331 adjacent to the second long side in the second area A2 of the vibration member 331. For example, the fourth side coupling member 321d may be provided in the entire area of the second area A2 in the fourth edge portion PP4 of the vibration member 331.

[0283] According to another embodiment of the present disclosure, the coupling member 320 may not be provided in the first area A1 of each of the third edge portion PP3 and the fourth edge portion PP4 of the vibration member 331, and thus, the first area A1 of the vibration member 331 may be freely vibrated (or displaced) without being hindered (or constrained) by the coupling member 320 or the housing 310. Therefore, in the first area A1 of the vibration member 331, the displacement amount (or bending force) or amplitude displacement (or vibration width) of the vibration member 331 in the length direction of the long side of the vibration member 331 may be increased or maximized, and thus, the sound characteristics and / or sound pressure level characteristics of the mid- and low-pitched vocal cords generated in the first area A1 of the vibration member 331 based on the vibration (or displacement) of the vibration device 333 may be increased (or enhanced).

[0284] According to another embodiment of the present disclosure, in the second area A2 of the vibration member 331, the coupling member 320 may be provided in each of the third edge portion PP3 and the fourth edge portion PP4, and thus, the second area A2 of the vibration member 331 may be fixed (or constrained) to the coupling member 320 or the housing 310. Therefore, in the second area A2 of the vibration member 331, the displacement amount (or bending force) or the amplitude displacement (or vibration width) of the vibration member 331 in the long side length direction may be limited (or configured) by the coupling member 320, and thus, the sound characteristics and / or sound pressure level characteristics of the middle and high-pitched vocal cords generated in the second area A2 of the vibration member 331 based on the vibration (or displacement) of the vibration device 333 may be increased (or enhanced).

[0285] According to another embodiment of the present disclosure, the vibration member 331 can output (or generate) a first sound (or first vibration) based on the vibration of the first area A1 and a second sound (or second vibration) based on the vibration of the second area A2. Due to the fixed structure of the coupling member 320, a sinking phenomenon may occur in a specific tone vocal range (or specific frequency) generated (or output) based on the vibration of the vibration member 331. For example, due to the fixed structure of the coupling member 320, a sinking phenomenon may occur due to destructive interference between the vibration of the first area A1 and the vibration of the second area A2 occurring in the specific tone vocal range (or specific frequency).

[0286] According to an embodiment of the present disclosure, in order to prevent or minimize destructive interference between the vibration of the first area A1 and the vibration of the second area A2, the 1-1st vibration device 333a1 and the 1-2nd vibration device 333a2 can be vibrated (or shifted or driven) by the same drive signal in the first tone vocal band, and can be vibrated (or shifted or driven) by different drive signals in a second tone vocal band different from the first tone vocal band. For example, the 1-1st vibration device 333a1 and the 1-2nd vibration device 333a2 can be vibrated (or shifted or driven) by drive signals having the same phase in the first tone vocal band. For example, the 1-1st vibration device 333a1 and the 1-2nd vibration device 333a2 can be vibrated (or shifted or driven) by drive signals having opposite phases (or anti-phase) to each other in the second tone vocal band.

[0287] According to an embodiment of the present disclosure, the first pitch vocal band may be a low pitch vocal band and a high pitch vocal band. The first pitch vocal band may include a frequency of about 100 Hz or less and a frequency of about 700 Hz or more, but the embodiments of the present disclosure are not limited thereto. The second pitch vocal band may be a medium pitch vocal band. For example, the second pitch vocal band may include a frequency of about 100 Hz to 700 Hz, but the embodiments of the present disclosure are not limited thereto. For example, the second pitch vocal band may include a specific pitch vocal band (or specific frequency) at which destructive interference occurs between the vibration of the first area A1 and the vibration of the second area A2.

[0288] According to an embodiment of the present disclosure, in the drive circuit unit for applying a drive signal to the vibration device 333, when the frequency of the drive signal to be supplied to the vibration device 333 is included in the first tonal band, the drive circuit unit can apply drive signals having the same phase to the 1-1 vibration device 333a1 and the 1-2 vibration device 333a2. Alternatively, when the frequency of the drive signal to be supplied to the vibration device 333 is included in the second tonal band, the drive circuit unit can apply drive signals having opposite phases to the 1-1 vibration device 333a1 and the 1-2 vibration device 333a2. Therefore, destructive interference between the vibrations of the first area A1 and the vibrations of the second area A2, as well as the sag phenomenon caused by the destructive interference, can be prevented or minimized by driving the 1-1 vibration device 333a1 and the 1-2 vibration device 333a2 in opposite phases.

[0289] Figure 28 is a perspective view of a sound device according to another embodiment of the present disclosure. Figure 29 According to the embodiment of the present disclosure Figure 28 sectional view taken along line III-III' shown in FIG. Figure 30 According to the embodiment of the present disclosure Figure 28 For example, Figures 28 to 30 Shown by modifying the above reference Figures 3 to 27 Therefore, in the following description, the housing will be described in detail, and other elements can be described with reference to the above. Figures 3 to 27 The elements described above are the same or substantially the same, and therefore, the same reference numerals refer to the same elements, and their repeated descriptions are omitted or will be briefly given below. Figures 3 to 27 The description can be included in Figures 28 to 30 's description.

[0290] Reference Figures 28 to 30 In the sound device 30 according to another embodiment of the present disclosure, the housing 310 may include a first housing 311. For example, in the above reference Figures 3 to 27 In the described housing 310, the second housing 312 may be removed (or omitted), and the housing 310 may be configured with only the first housing 311 including the first plate 311a, the first side wall portion 311b, and the opening portion 310o. For example, in the case where the housing 310 is configured with only the first housing 311, the first housing 311 may be the housing 310, the first plate 311a may be the plate, and the first side wall portion 311b may be the side wall portion, and therefore, repeated description thereof is omitted or will be briefly given below.

[0291] The housing 310 or the first housing 311 may be connected to the sound generating module 330 with an internal space 313 between the housing 310 or the first housing 311 and the sound generating module 330. The housing 310 or the first housing 311 may be connected to a rear edge portion of the vibration member 331 with an internal space 313 between the housing 310 or the first housing 311 and the rear edge portion of the vibration member 331.

[0292] According to another embodiment of the present disclosure, the vibration member 331 may be configured to cover the inner space 313 of the first housing 311. For example, the vibration member 331 may be configured to cover a portion of the inner space 313 of the first housing 311. The vibration member 331 may be configured to cover the first space 313a of the first housing 311. For example, the vibration member 331 may be configured to cover a portion of the first space 313a of the first housing 311.

[0293] The housing 310 or the first housing 311 may be connected (or coupled) to the vibration member 331 of the sound generating module 330 via the coupling member 320 or the first coupling member 321. The description of the coupling member 320 or the first coupling member 321 may be the same as that described above with reference to FIG. Figures 3 to 27 The description of the coupling member 320 or the first coupling member 321 is substantially the same, and thus, the same reference numerals refer to the same elements, and repeated descriptions thereof are omitted or will be briefly given below.

[0294] In the case where the housing 310 is provided with only the first housing 311, the sound device 30 can be thinned and the sound characteristics and / or sound pressure level characteristics of the sound device 30 can be further enhanced compared to the case where the housing 310 is provided with the first housing 311 and the second housing 312. For example, in the case where the housing 310 is provided with only the first housing 311, the sound characteristics and / or sound pressure level characteristics of the mid- and low-pitched vocal range (for example, the 3 kHz or lower pitch vocal range) can be further enhanced, and the sound reproduction frequency band can be further expanded.

[0295] Figure 31 is a perspective view of a sound device according to another embodiment of the present disclosure. Figure 32 According to the embodiment of the present disclosure Figure 31 For example, Figure 31 and Figure 32 Shown above with reference Figures 28 to 30 The embodiment of the sound device 30 described above is additionally configured with a connecting member. Therefore, in the following description, the connecting member will be described in detail, and other elements can be the same as those described above. Figures 28 to 30The elements described above are the same or substantially the same, and therefore, the same reference numerals refer to the same elements, and their repeated descriptions are omitted or will be briefly given below. Figures 28 to 30 The description can be included in Figure 31 and Figure 32 's description.

[0296] Reference Figure 31 and Figure 32 , the sound device 30 according to another embodiment of the present disclosure may further include a connecting member 350 .

[0297] The connecting member 350 may be provided or configured at the rear surface of the housing 310. The connecting member 350 may be connected to (or provided at) the rear surface of the housing 310. For example, the connecting member 350 may be connected to (or provided at) the rear surface of the first housing 311. The connecting member 350 may be provided between the installation object and the housing 310 (or the first housing 311). For example, the installation object may be a structure having the sound device 30 or the housing 310 mounted thereon. The connecting member 350 may be a coupling member, an intermediate member, or a buffer member, but embodiments of the present disclosure are not limited thereto.

[0298] The connection member 350 may be configured to transmit vibration of the first housing 311 to the installation object based on vibration of the sound generating module 330. Thus, the installation object (or vehicle interior material) may vibrate based on the vibration transmitted through the connection member 350 to generate (or output) sound.

[0299] According to another embodiment of the present disclosure, the first shell 311 may include an inner surface 311i and an outer surface. The inner surface 311i of the first shell 311 may face the vibration member 331. The outer surface of the first shell 311 may be a surface of the first shell 311 opposite to the inner surface 311i. The connecting member 350 may be connected to the periphery of the opening portion 310o of the outer surface of the first shell 311. For example, the connecting member 350 may be connected between the installation object (or vehicle interior material) and the periphery of the opening portion 310o of the outer surface of the first shell 311.

[0300] According to another embodiment of the present disclosure, the connecting member 350 can be configured as a rigid material (or hard material). The connecting member 350 can have high elasticity (or Young's modulus) and can include a material with high tensile strength. For example, the connecting member 350 can include rubber, but the embodiments of the present disclosure are not limited thereto. For example, the rubber can be ethylene propylene rubber or polyurethane rubber, but the embodiments of the present disclosure are not limited thereto. For example, the ethylene propylene rubber can be ethylene propylene diene monomer (EPDM), but the embodiments of the present disclosure are not limited thereto. For example, the hardness of EPDM can be 40 to 90, but the embodiments of the present disclosure are not limited thereto. For example, the tensile strength of EPDM can be 50 kg / cm 2 Up to 200kg / cm 2 , but the embodiments of the present disclosure are not limited thereto.

[0301] According to an embodiment of the present disclosure, the connecting member 350 may further include a hole 350o. For example, the connecting member 350 may further include a hole 350o connected to the opening portion 310o in the housing 310 or the first housing 311. The hole 350o may be arranged to correspond to (or overlap) the opening portion 310o. Therefore, the sound based on the vibration of the sound generating module 330 can be output to the outside of the housing 310 or the inner space of the vehicle through the opening portion 310o and the hole 350o. The hole 350o may have the same shape as the opening portion 310o, but the embodiment of the present disclosure is not limited thereto. For example, the hole 350o may be an opening portion, an opening hole, a slit, a groove, a connecting hole or an intermediate hole, but the embodiment of the present disclosure is not limited thereto.

[0302] According to an embodiment of the present disclosure, the connection member 350 may be protected by a release film (or protective film) 370. The release film 370 may be attached to the adhesive surface of the connection member 350. When the sound device 30 including the connection member 350 is mounted on a vehicle interior material (or an installation object), the release film 370 may be released (or removed) from the connection member 350.

[0303] Refer to above Figure 31 and Figure 32 The connecting member 350 described above can also be applied to Figures 3 to 30 For example, the connecting member 350 may be configured as described above. Figures 3 to 30 The rear surface of the housing 310 of the sound device 30 is described, and therefore, repeated description thereof is omitted.

[0304] Figure 33 is a perspective view of a sound device according to another embodiment of the present disclosure. Figure 34 According to the embodiment of the present disclosure Figure 33A cross-sectional view taken along line VI-VI' is shown in FIG. Figure 30 The figure shows the Figure 33 The cross-sectional view taken along line IV-IV' is shown. For example, Figure 33 and 34 Shown by modifying the above reference Figure 31 and Figure 32 Therefore, in the following description, the connecting member 350 will be described in detail, and the other elements can be the same as those described above. Figure 31 and 32 The elements of the description are the same or substantially the same, and thus, the same reference numerals refer to the same elements, and repeated descriptions thereof are omitted or will be briefly given below.

[0305] Reference Figure 30 、 Figure 33 and Figure 34 In the sound device 30 according to another embodiment of the present disclosure, the connecting member 350 can be configured to enhance the sound characteristics and / or sound pressure level characteristics of the low-mid pitch vocal range generated based on the vibration of the housing 310 (or the first housing 311). For example, the connecting member 350 can be configured to increase or maximize the displacement (or bending force) or amplitude displacement (or vibration width) of the housing 310 (or the first housing 311). For example, when the housing 310 (or the first housing 311) vibrates based on the vibration of the sound generating module 330, the connecting member 350 can be configured (or arranged) to not hinder (or limit) the vibration (or displacement) at the center portion including the center of the housing 310 (or the first housing 311). For example, the connecting member 350 can be configured (or arranged) to not hinder (or limit) the vibration (or displacement) in the length direction of the long side of the housing 310 (or the first housing 311).

[0306] According to another embodiment of the present disclosure, the connecting member 350 may be configured such that its size (or area) is relatively smaller than the size (or area) of the rear surface 311r of the housing 310 (or the first housing 311), but the embodiments of the present disclosure are not limited thereto. For example, the total size (or total area) of the connecting member 350 may be configured such that its size (or area) is relatively smaller than the size (or area) of the total size (or total area) of the rear surface 311r of the housing 310 (or the first housing 311), but the embodiments of the present disclosure are not limited thereto. For example, the total size (or total area) of the connecting member 350 may be half or less of the total size (or total area) of the rear surface 311r of the housing 310 (or the first housing 311), but the embodiments of the present disclosure are not limited thereto.

[0307] According to another embodiment of the present disclosure, the connection member 350 may be provided at a portion of the rear surface 311r of the housing 310 (or the first housing 311) (or connected to a portion of the rear surface 311r of the housing 310 (or the first housing 311)). For example, the connection member 350 may be partially provided at the rear surface 311r of the housing 310 (or the first housing 311) (or connected to the rear surface 311r of the housing 310 (or the first housing 311)).

[0308] The connection member 350 according to another embodiment of the present disclosure may be provided at an edge portion of the rear surface 311r of the housing 310 (or the first housing 311) other than the center portion (or connected to an edge portion of the rear surface 311r of the housing 310 (or the first housing 311) other than the center portion). For example, the connection member 350 may be provided at an edge portion of the rear surface 311r of the housing 310 (or connected to an edge portion of the rear surface 311r of the housing 310) in parallel with the short side of the housing 310 (or the first housing 311). For example, the connection member 350 may not overlap with the center portion of the rear surface 311r of the housing 310 (or the first housing 311).

[0309] According to an embodiment of the present disclosure, the housing 310 (or the first housing 311) may include a first rear edge portion adjacent to the first short side, a second rear edge portion adjacent to the second short side, a third rear edge portion adjacent to the first long side, a fourth rear edge portion adjacent to the second long side, and a center portion surrounded by the first to fourth rear edge portions. The connecting member 350 may be configured (or provided) at each of the first and second rear edge portions of the housing 310 (or the first housing 311). For example, the connecting member 350 may be configured (or provided) at each of the first and second rear edge portions of the housing 310 (or the first housing 311) except for the third rear edge portion, the fourth rear edge portion, and the center portion.

[0310] A connection member 350 according to another embodiment of the present disclosure may include a first connection member 351 and a second connection member 352 .

[0311] The first connecting member 351 may be provided at a first edge portion of the rear surface 311r of the housing 310 (or connected to a first edge portion of the rear surface 311r of the housing 310) in parallel with a short side of the housing 310 (or the first housing 311). For example, the first connecting member 351 may be provided at a first rear edge portion of the first plate 311a (or connected to a first rear edge portion of the first plate 311a) so as to overlap with the first side wall 311b1 of the first housing 311.

[0312] The second connecting member 352 may be provided at a second edge portion of the rear surface 311r of the housing 310 (or connected to the second edge portion of the rear surface 311r of the housing 310) parallel to the short side of the housing 310 (or the first housing 311). For example, the second connecting member 352 may be provided at a second rear edge portion of the first plate 311a (or connected to the second rear edge portion of the first plate 311a) so as to overlap with the second sidewall 311b2 of the first housing 311. For example, the first connecting member 351 and the second connecting member 352 may be parallel to each other with the opening 310o of the housing 310 therebetween.

[0313] According to an embodiment of the present disclosure, the first width W1 of each of the connecting member 350, or the first connecting member 351, and the second connecting member 352 relative to the first direction X or the length direction of the long side of the housing 310 can be different from or equal to the second width W2 of the first sidewall 311b1 of the first housing 311. For example, the first width W1 of each of the connecting member 350, or the first connecting member 351, and the second connecting member 352 can be less than or equal to the second width W2 of the first sidewall 311b1 of the first housing 311, but embodiments of the present disclosure are not limited thereto. For example, the first width W1 of each of the connecting member 350, or the first connecting member 351, and the second connecting member 352 can be greater than the first thickness T1 of the first plate 311a of the first housing 311, but embodiments of the present disclosure are not limited thereto. As the first width W1 of each of the connecting member 350 or the first connecting member 351 and the second connecting member 352 decreases, the restraining force applied to the vibration (or displacement) in the long side length direction of the shell 310 can be reduced, and therefore, the displacement amount (or bending force) or amplitude displacement (or vibration width) of the shell 310 (or the first shell 311) in the long side length direction of the shell 310 (or the first shell 311) can be increased or maximized.

[0314] According to an embodiment of the present disclosure, in the first direction X or the long side length direction of the housing 310, the first width W1 of each of the connecting member 350, or the first connecting member 351, and the second connecting member 352 may be less than the distance D1 between the opening 310o and the outer surface of the housing 310, but embodiments of the present disclosure are not limited thereto. For example, each of the connecting member 350, or the first connecting member 351, and the second connecting member 352 may overlap with the first sidewall portion 311b of the first housing 311 and may overlap with the vibration device 333. For example, the first side (or first end) of each of the first connecting member 351 and the second connecting member 352 may be arranged to overlap with the first sidewall portion 311b of the first housing 311. For example, the first side (or first end) of the first connecting member 351 may be arranged to overlap with the first sidewall 311b1 of the first housing 311. For example, the first side (or first end) of the second connecting member 352 may be arranged to overlap with the second sidewall 311b2 of the first housing 311. For example, a second side (or a second end) of each of the first connection member 351 and the second connection member 352 , which is opposite to the first side, may overlap with the vibration device 333 .

[0315] According to another embodiment of the present disclosure, in the first direction X or the long side length direction of the housing 310, the first width W1 of each of the connecting member 350 or the first connecting member 351 and the second connecting member 352 may be less than the distance D2 between the vibration device 333 and the outer surface of the housing 310, but the embodiments of the present disclosure are not limited thereto. For example, the connecting member 350 or each of the first connecting member 351 and the second connecting member 352 may overlap with the first sidewall portion 311b of the first housing 311 and may not overlap with the vibration device 333. For example, the first side (or first end) of each of the first connecting member 351 and the second connecting member 352 may be arranged to overlap with the first sidewall portion 311b of the first housing 311. The second side (or second end) of each of the first connecting member 351 and the second connecting member 352 may not overlap with the vibration device 333. For example, the second side (or second end) of the first connecting member 351 may overlap with the area between the vibration device 333 and the first sidewall 311b1 of the first housing 311. For example, the second side (or second end) of the second connection member 352 may overlap with a region between the vibration device 333 and the second sidewall 311 b 2 of the first housing 311 .

[0316] According to another embodiment of the present disclosure, in the first direction X, or the lengthwise direction of the long sides of the housing 310, the first width W1 of the connecting member 350 may be different from or equal to the width of the coupling member 320. For example, the first width W1 of the connecting member 350 may be greater than or less than the width of the coupling member 320, but embodiments of the present disclosure are not limited thereto. For example, the first width W1 of the first connecting member 351 of the connecting member 350 may be equal to the width of the first coupling member 321 of the coupling member 320, but embodiments of the present disclosure are not limited thereto. For example, the first width W1 of the first connecting member 351 may be greater than or less than the width of the first coupling member 321, but embodiments of the present disclosure are not limited thereto. For example, the first width W1 of the second connecting member 352 of the connecting member 350 may be equal to the width of the second coupling member 322 of the coupling member 320, but embodiments of the present disclosure are not limited thereto. For example, the first width W1 of the second connecting member 352 may be greater than or less than the width of the second coupling member 322, but embodiments of the present disclosure are not limited thereto.

[0317] According to an embodiment of the present disclosure, in the thickness direction of the shell 310 or in a third direction Z (or vertical direction) perpendicular to the first direction X or the second direction Y, each of the first connecting member 351 and the second connecting member 352 can be configured to have a third thickness (or height) T3.

[0318] According to an embodiment of the present disclosure, the third thickness T3 of each of the first connecting member 351 and the second connecting member 352 may be greater than the first thickness T1 of the first plate 311a of the first housing 311, but embodiments of the present disclosure are not limited thereto. For example, the third thickness T3 of each of the first connecting member 351 and the second connecting member 352 may be greater than the second thickness T2 of the vibration member 331, but embodiments of the present disclosure are not limited thereto. For example, the third thickness T3 of each of the first connecting member 351 and the second connecting member 352 may be 1 mm to 3 mm, but embodiments of the present disclosure are not limited thereto.

[0319] According to an embodiment of the present disclosure, the connection member 350 or the first connection member 351 and the second connection member 352 can increase (or expand) the gap space between the housing 310 and the installation object based on the third thickness T3, and thus can increase (or enhance) the sound characteristics and / or sound pressure level characteristics of a specific frequency generated based on the vibration of the housing 310. For example, when the gap space between the housing 310 and the installation object is increased by the connection member 350 or the first connection member 351 and the second connection member 352, the restraining force of the housing 310 applied to the installation object can be reduced, and thus the sound characteristics and / or sound pressure level characteristics of a specific frequency (e.g., 1 kHz) generated based on the vibration of the housing 310 can be increased (or enhanced).

[0320] The connection member 350 or the first connection member 351 and the second connection member 352 according to the embodiment of the present disclosure may be composed of the same components as those described above. Figure 31 and Figure 32 The material of the connection member 350 is described to be the same material configuration, and thus repeated description thereof is omitted.

[0321] According to an embodiment of the present disclosure, the connection member 350 (or the first connection member 351 and the second connection member 352) may be protected by a release film (or protective film) 370. The release film 370 may be attached to the rear surface (or adhesive surface) of the connection member 350 (or the first connection member 351 and the second connection member 352). When the sound device 30 including the connection member 350 (or the first connection member 351 and the second connection member 352) is mounted on the installation object (or vehicle interior material), the release film 370 may be released (or removed) from the connection member 350 (or the first connection member 351 and the second connection member 352).

[0322] Refer to above Figure 33 and Figure 34 The connection member 350 or the first connection member 351 and the second connection member 352 described above can be similarly applied to the above reference Figures 3 to 30 For example, the connecting member 350 or the first connecting member 351 and the second connecting member 352 may be arranged (or configured) as described above. Figures 3 to 30 The first rear edge portion and the second rear edge portion of the housing 310 (or the first housing 311 ) are described, and thus repeated descriptions thereof are omitted.

[0323] Figure 35 is a perspective view of a sound device according to another embodiment of the present disclosure. Figure 36 According to the embodiment of the present disclosure Figure 35 VII-VII' is a cross-sectional view taken along the line VII-VII' shown in FIG. Figure 37is an exploded perspective view of a sound device according to another embodiment of the present disclosure. Figure 34 The figure shows the Figure 35 The cross-sectional view taken along the line VI-VI' is shown. For example, Figures 35 to 37 Shown above with reference Figure 33 and Figure 34 The embodiment of the sound device 30 described above is additionally configured with multiple holes. Therefore, in the following description, the multiple holes will be described in detail, and other elements can be described with reference to the above. Figure 33 and Figure 34 The elements in the description are the same or substantially the same, and therefore, like reference numerals denote like elements, and repeated descriptions thereof are omitted or will be briefly given below. Figure 33 and Figure 34 The description can be included in Figures 35 to 37 's description.

[0324] Reference Figures 34 to 37 , the sound device 30 or the housing 310 according to another embodiment of the present disclosure may further include a plurality of holes 310h.

[0325] The plurality of holes 310h can be configured to increase or maximize the displacement (or bending force) or amplitude displacement (or vibration width) of the housing 310 (or the first housing 311). For example, the plurality of holes 310h can be configured to cause resonance of the housing 310 (or the first housing 311). For example, the plurality of holes 310h can be configured to additionally increase (or enhance) the sound characteristics including the low-pitched vocal range generated based on the vibration of the housing 310 (or the first housing 311). For example, the plurality of holes 310h can be configured to additionally increase (or enhance) the sound characteristics and / or sound pressure level characteristics of 100 Hz to 200 Hz generated based on the vibration of the housing 310 (or the first housing 311).

[0326] According to an embodiment of the present disclosure, a plurality of holes 310h may be configured (or formed) at the opening portion 310o of the housing 310 (or the first housing 311). The plurality of holes 310h may be configured (or formed) in parallel with each other, with the opening portion 310o of the housing 310 therebetween. The plurality of holes 310h may extend along the first direction X or the long side length direction of the housing 310. For example, the plurality of holes 310h may include a width (or short axis length) parallel to the second direction Y or the short side length direction of the housing 310 and a length (or long axis length) parallel to the first direction X or the long side length direction of the housing 310. For example, the length of each of the plurality of holes 310h may be longer than the length of the opening portion 310o of the housing 310 and / or the length (or long side length) of the vibration device 333, but the embodiments of the present disclosure are not limited thereto.

[0327] According to an embodiment of the present disclosure, the plurality of holes 310h may be configured to pass through (or vertically pass through) the housing 310 (or the first housing 311) along the third direction Z (or vertical direction) or the thickness direction of the housing 310. For example, the plurality of holes 310h may be configured to pass through (or vertically pass through) the first plate 311a of the first housing 311. For example, the plurality of holes 310h may be slits, slots, open lines, or line holes, but the embodiments of the present disclosure are not limited thereto.

[0328] According to an embodiment of the present disclosure, the plurality of holes 310h may be configured so as not to overlap with the vibration device 333. Therefore, the sound (or sound wave) generated based on the vibration (or displacement) of the vibration device 333 may be transmitted to the first plate 311a of the first housing 311 without being lost by the plurality of holes 310h, and the first plate 311a of the first housing 311 or the first housing 311 may vibrate by the sound (or sound wave) transmitted based on the vibration (or displacement) of the vibration device 333 to output (or generate) the sound (or vibration).

[0329] The first housing 311 or the plurality of holes 310h according to an embodiment of the present disclosure may include a first hole 310h1 and a second hole 310h2. For example, the first housing 311 according to an embodiment of the present disclosure may include a pair of holes 310h1 and 310h2.

[0330] The first hole 310h1 can be arranged (or formed) between the opening 310o and the first long side of the housing 310 (or the first housing 311). For example, the first hole 310h1 can be arranged (or formed) closer to the first long side of the housing 310 (or the first housing 311) than the opening 310o of the housing 310 to increase or maximize the vibration range (or area) of the housing 310 (or the first housing 311). For example, the first hole 310h1 can be arranged (or formed) at the third rear edge portion of the housing 310 (or the first housing 311).

[0331] The second hole 310h2 can be arranged (or formed) between the opening 310o and the second long side of the housing 310 (or the first housing 311). For example, the second hole 310h2 can be arranged (or formed) closer to the second long side of the housing 310 (or the first housing 311) than the opening 310o of the housing 310 to increase or maximize the vibration range (or area) of the housing 310 (or the first housing 311). For example, the second hole 310h2 can be arranged (or formed) at the fourth rear edge of the housing 310 (or the first housing 311).

[0332] The first hole 310h1 and the second hole 310h2 may be parallel to the first direction X or the length direction of the long side of the housing 310, with the opening 310o of the housing 310 therebetween. For example, the first hole 310h1 and the second hole 310h2 may have a symmetrical structure relative to the opening 310o of the housing 310. For example, the length direction of each of the first hole 310h1, the second hole 310h2, and the opening 310o of the housing 310 may be parallel to the first direction X or the length direction of the long side of the housing 310.

[0333] According to an embodiment of the present disclosure, the width (or minor axis length) of each of the plurality of holes 310h or the first hole 310h1 and the second hole 310h2 may be 1 mm or greater, but embodiments of the present disclosure are not limited thereto. For example, the width (or minor axis length) of each of the plurality of holes 310h or the first hole 310h1 and the second hole 310h2 may be 1 mm to 5 mm to reduce or minimize the inflow of dust or particles from the outside, but embodiments of the present disclosure are not limited thereto.

[0334] The first hole 310h1 and the second hole 310h2 may be between the first connection member 351 and the second connection member 352 of the connection member 350. For example, each of the first hole 310h1 and the second hole 310h2 may overlap with the connection member 350 along the first width W1 of the connection member 350 or may not overlap with the connection member 350. For example, an end of each of the first hole 310h1 and the second hole 310h2 may be spaced apart from the connection member 350.

[0335] According to an embodiment of the present disclosure, the shell 310 (or the first shell 311) can be separated from the edge portion by each of the first hole 310h1 and the second hole 310h2, and therefore, the displacement amount (or bending force) or amplitude displacement (or vibration width) of the vibration based on the sound generating module 330 or the vibration device 333 can be increased, and thus the sound characteristics and / or sound pressure level characteristics of the sound including the low-pitched vocal band can be further enhanced.

[0336] Refer to above Figures 34 to 37 The connection member 350 (or the first connection member 351 and the second connection member 352) and the plurality of holes 310h described above can be similarly applied to the connection member 350 described above with reference to FIG. Figures 3 to 30 The sound device 30 is described, and therefore repeated description thereof is omitted.

[0337] Figure 38 is a perspective view of a sound device according to another embodiment of the present disclosure. Figure 39 According to the embodiment of the present disclosure Figure 38 sectional view taken along line VIII-VIII' shown in FIG. Figure 40 According to the embodiment of the present disclosure Figure 38 For example, Figures 38 to 40 Shown by modifying the above reference Figures 34 to 37 Therefore, in the following description, the opening 310o of the housing 310 will be described in detail, and other elements can be the same as those described above. Figures 34 to 37 The elements in the description are the same or substantially the same, and thus like reference numerals denote like elements, and their repeated descriptions will be omitted or will be briefly given below. Figures 34 to 37 The description can be included in Figures 38 to 40 's description.

[0338] Reference Figures 38 to 40 In the sound device 30 or the housing 310 according to another embodiment of the present disclosure, the opening 310o may be arranged (or formed) in parallel with the second direction Y or the length direction of the short side of the housing 310. For example, the opening 310o may extend along the second direction Y or the length direction of the short side of the housing 310. Therefore, in addition to the opening 310o extending along the second direction Y or the length direction of the short side of the housing 310, the opening 310o may be arranged (or formed) in parallel with the second direction Y or the length direction of the short side of the housing 310. Figures 34 to 37 The described opening portions 310 o are the same or substantially the same, and thus, repeated descriptions thereof may be omitted or briefly given below.

[0339] The opening 310o may be configured to correspond to the center portion of the sound generating module 330 (or the vibration device 333). For example, the opening 310o may include a linear shape passing through the center portion of the sound generating module 330 (or the vibration device 333) or may include a rectangular shape, but embodiments of the present disclosure are not limited thereto. For example, the center portion of the opening 310o may be configured to correspond to the center portion of the sound generating module 330 or the vibration device 333. For example, the opening 310o may include a width (or a short axis length) parallel to the first direction X or the long side length direction of the housing 310 and a length (or a long axis length) parallel to the second direction Y or the short side length direction of the housing 310. For example, the length (or long axis length) of the opening 310o may be less than the length (or short side length) of the vibration device 333, but embodiments of the present disclosure are not limited thereto.

[0340] According to another embodiment of the present disclosure, the opening 310o can be configured to extend along the second direction Y or the length direction of the short side of the housing 310, thereby increasing the vibration area (or vibration zone) of the housing 310 (or first housing 311) spaced (or separated) from the first hole 310h1 and the second hole 310h2. Therefore, the displacement amount (or bending force) or amplitude displacement (or vibration width) of the housing 310 (or first housing 311) based on the vibration of the sound generating module 330 (or vibration device 333) can be further increased, thereby further enhancing the sound characteristics and / or sound pressure level characteristics of sounds including low-pitched vocal ranges.

[0341] Refer to above Figures 34 to 40 The connection member 350 (or the first connection member 351 and the second connection member 352), the plurality of holes 310h and the opening portion 310o described above can be similarly applied to the Figures 3 to 30 The sound device 30 is described, and therefore repeated description thereof is omitted.

[0342] Figure 41 is a perspective view of a sound device according to another embodiment of the present disclosure. For example, Figure 41 Shown above with reference Figures 38 to 40 The embodiment of the sound device 30 described above is additionally configured with a gap member. Therefore, in the following description, the gap member will be described in detail, and other elements can be described with reference to the above. Figures 38 to 40 The elements in the description are the same or substantially the same, and therefore, like reference numerals denote like elements, and repeated descriptions thereof are omitted or will be briefly given below. Figures 38 to 40 The description can be included in Figure 41 's description.

[0343] Reference Figure 41 The sound device 30 according to another embodiment of the present disclosure may further include a gap member 319 between the housing 310 and the connection member 350 .

[0344] The gap member 319 can be configured (or provided) to additionally increase the gap space between the housing 310 and the installation object. The gap member 319 can be provided (or inserted) between the connecting member 350 and the rear surface 311r of the housing 310 (or the first housing 311). For example, the gap member 319 can be provided (or inserted) between the connecting member 350 and the rear surface 311r of the housing 310 (or the first housing 311), and can thereby increase the gap space between the housing 310 and the installation object. For example, the gap member 319 can be a block member, a gap block member, a pad member, or a gap pad member, but embodiments of the present disclosure are not limited thereto.

[0345] The gap member 319 may include the same or different material as the connection member 350. For example, the gap member 319 may be configured with a relatively rigid material (or hard material) than that of the connection member 350, but embodiments of the present disclosure are not limited thereto.

[0346] The gap member 319 may have a first width W1 that is the same as the first width W1 of the connecting member 350, but embodiments of the present disclosure are not limited thereto. The gap member 319 may have a fourth thickness (or height) T4 that is different from the third thickness T3 of the connecting member 350, but embodiments of the present disclosure are not limited thereto. For example, the gap member 319 may have a fourth thickness T4 that is greater than the third thickness T3 of the connecting member 350, but embodiments of the present disclosure are not limited thereto. For example, the fourth thickness T4 of the gap member 319 may be 0.5 mm to 2 mm, but embodiments of the present disclosure are not limited thereto.

[0347] According to an embodiment of the present disclosure, the gap member 319 may be configured with the same material as the housing 310 (or the first housing 311), but the embodiments of the present disclosure are not limited thereto. For example, the gap member 319 may protrude from the rear surface 311r of the housing 310 (or the first housing 311) to have a first width W1 and a fourth thickness T4.

[0348] The gap member 319 may include a first gap member 319 a and a second gap member 319 b .

[0349] A first gap member 319a may be disposed (or interposed) between the first connection member 351 of the connection member 350 and the housing 310. The first gap member 319a may have a first width W1 that is the same as the first width W1 of the first connection member 351, but embodiments of the present disclosure are not limited thereto. The first gap member 319a may have a fourth thickness T4 that is thicker than the third thickness T3 of the first connection member 351, but embodiments of the present disclosure are not limited thereto. For example, the first gap member 319a may protrude from the rear surface 311r of the housing 310 (or first housing 311) to have the first width W1 and the fourth thickness T4.

[0350] A second gap member 319b may be disposed (or interposed) between the second connecting member 352 of the connecting member 350 and the housing 310. The second gap member 319b may have a first width W1 that is the same as the first width W1 of the second connecting member 352, but embodiments of the present disclosure are not limited thereto. The second gap member 319b may have a fourth thickness T4 that is thicker than the third thickness T4 of the second connecting member 352, but embodiments of the present disclosure are not limited thereto. For example, the second gap member 319b may protrude from the rear surface 311r of the housing 310 (or the first housing 311) to have the first width W1 and the fourth thickness T4.

[0351] According to an embodiment of the present disclosure, the fourth thickness T4 of the gap member 319 or each of the first and second gap members 319 a and 319 b may be 0.5 mm to 2 mm, but the embodiment of the present disclosure is not limited thereto.

[0352] The connecting member 350 may be disposed at (or connected to) the gap member 319. For example, the connecting member 350 may be connected (or attached) to the rear surface of the gap member 319. The first connecting member 351 of the connecting member 350 may be connected (or attached) to the first gap member 319a. The second connecting member 352 of the connecting member 350 may be connected (or attached) to the second gap member 319b.

[0353] According to an embodiment of the present disclosure, the gap member 319 and the connecting member 350 can increase (or expand) the gap space between the housing 310 and the installation object, and thus can increase (or enhance) the sound characteristics and / or sound pressure level characteristics of a specific frequency generated based on the vibration of the housing 310. For example, when the gap space between the housing 310 and the installation object is increased by the gap member 319 and the connecting member 350, the restraining force of the housing 310 applied to the installation object can be reduced, and thus the sound characteristics and / or sound pressure level characteristics of a specific frequency (e.g., 1 kHz) generated based on the vibration of the housing 310 can be increased (or enhanced).

[0354] Refer to above Figure 41 The gap member 319 described above can be set (or inserted) between the connecting member 350 and the above reference Figures 33 to 37 The housing 310 (or the first housing 311 ) is described above, and therefore repeated descriptions thereof are omitted.

[0355] Figure 42 is a diagram illustrating a sound device according to another embodiment of the present disclosure.

[0356] Reference Figure 42, a sound device 30 according to another embodiment of the present disclosure may be connected or coupled to (or mounted on) a vehicle interior material (or installation object) 130 by using a connecting member 350 .

[0357] The sound device 30 may include a housing 310, a sound generating module 330, a coupling member 320, and a connecting member 350. The description of the housing 310, the sound generating module 330, the coupling member 320, and the connecting member 350 may be the same as that described above with reference to FIG. Figure 21 and Figure 32 The descriptions described are substantially the same, and thus, like reference numerals denote like elements, and repeated descriptions thereof are omitted or will be briefly given below.

[0358] The vehicle interior material 130 can be connected or coupled to the connection member 350 in the sound device 30. For example, the vehicle interior material 130 can be connected or coupled to the housing 310 via the connection member 350. The connection member 350 can be provided between the entire area of the rear surface 311r of the housing 310 and the vehicle interior material 130. For example, the connection member 350 can be provided between the first housing 311 and the vehicle interior material 130. For example, the connection member 350 can be provided between the entire area of the rear surface 311r of the first housing 311, excluding the opening 310o, and the vehicle interior material 130.

[0359] The connection member 350 may be configured to transmit the vibration of the housing 311 (or the first housing 311) to the vehicle interior material 130 based on the vibration of the sound generating module 330. Therefore, the vehicle interior material 130 may vibrate to generate (or output) sound based on the vibration transmitted through the connection member 350. For example, the vehicle interior material 130 may function as a vibration plate for generating (or outputting) sound.

[0360] According to an embodiment of the present disclosure, the vehicle interior material 130 may further include one or more holes 135 .

[0361] One or more holes 135 may correspond to the hole 350o of the connecting member 350 and the opening portion 310o of the housing 310 (or the first housing 311) (or overlap with the hole 350o of the connecting member 350 and the opening portion 310o of the housing 310 (or the first housing 311)). For example, one or more holes 135 may have a size greater than or equal to that of each of the hole 350o and the opening portion 310o, but embodiments of the present disclosure are not limited thereto. For example, one or more holes 135 may be a through hole, an opening portion, an open hole, a slit, a slot, a sound hole, a sound emission hole, or a sound output hole, but embodiments of the present disclosure are not limited thereto.

[0362] According to an embodiment of the present disclosure, sound based on the vibration of the sound generating module 330 can be output to the interior space of the vehicle through one or more holes 135 of the vehicle interior material 130, the hole 350o of the connecting member 350, and the opening 310o of the housing 310. In addition, the housing 310 (or the first housing 311) can vibrate due to the sound (or sound wave) generated by the vibration of the sound generating module 330, and the vehicle interior material 130 can vibrate based on the vibration of the housing 310 (or the first housing 311) transmitted through the connecting member 350 to generate (or output) sound.

[0363] exist Figure 42 , the housing 310 is shown as being configured with only the first housing 311 (but not limited thereto), and may include the above reference Figures 3 to 6 The second housing 312 is described, and therefore, its repeated description is omitted. For example, Figure 42 The sound device 30 shown can be replaced by (or modified to) the above reference Figures 3 to 30 The sound device 30 is described, and therefore repeated description thereof is omitted.

[0364] Figure 43 is a diagram illustrating a sound device according to another embodiment of the present disclosure. Figure 44 According to the embodiment of the present disclosure Figure 43 An exploded perspective view of the sound device is shown in FIG.

[0365] Reference Figure 43 and Figure 44 , a sound device 30 according to another embodiment of the present disclosure may be connected or coupled to (or mounted on) a vehicle interior material (or installation object) 130 by using a connecting member 350 .

[0366] The sound device 30 may include a housing 310, a sound generating module 330, and a connecting member 350. The description of the housing 310, the sound generating module 330, and the connecting member 350 may be the same as that described above. Figures 33 to 41 The descriptions described are substantially the same, and thus, like reference numerals denote like elements, and repeated descriptions thereof are omitted or will be briefly given below.

[0367] The vehicle interior material 130 may be connected or coupled to the connection member 350 in the sound device 30. For example, the vehicle interior material 130 may be connected or coupled to the housing 310 via the connection member 350. The connection member 350 may be provided between the housing 310 and the vehicle interior material 130. For example, the connection member 350 may be provided between the first housing 311 and the vehicle interior material 130.

[0368] According to an embodiment of the present disclosure, the vehicle interior material 130 may further include one or more holes 135 .

[0369] One or more holes 135 may correspond to (or overlap with) the opening 310o of the housing 310 (or the first housing 311). For example, one or more holes 135 may have a size greater than or equal to the size of the opening 310o, but embodiments of the present disclosure are not limited thereto. For example, one or more holes 135 may be a through hole, an opening, an opening hole, a slit, a slot, a sound hole, a sound emission hole, or a sound output hole, but embodiments of the present disclosure are not limited thereto.

[0370] According to an embodiment of the present disclosure, sound based on the vibration of the sound generating module 330 may be output to the interior space of the vehicle through the opening portion 310 o and the one or more holes 135 .

[0371] The sound device 30 or the housing 310 can be connected or coupled to the vehicle interior material 130 through the connecting member 350. The vehicle interior material 130 can be connected or coupled to the first connecting member 351 and the second connecting member 352 of the connecting member 350. Therefore, the vehicle interior material 130 can be connected or coupled to the first rear edge portion and the second rear edge portion of the housing 310 (or the first housing 311) by using the first connecting member 351 and the second connecting member 352.

[0372] The connecting member 350 (or the first connecting member 351 and the second connecting member 352) can provide a gap space GS between the center portion of the sound device 30 (or the housing 310) and the vehicle interior material 130. The connecting member 350 (or the first connecting member 351 and the second connecting member 352) can be parallel to each other, with the gap space GS between them and one or more holes 135 in the vehicle interior material 130. The vehicle interior material 130 can be connected or coupled to the connecting member 350 and can be spaced apart from the center portion of the sound device 30 (or the housing 310). For example, the one or more holes 135 in the vehicle interior material 130 can be spaced apart from the rear surface 311r of the sound device 30 (or the housing 310). For example, the rear center portion of the sound device 30 (or the housing 310) can face or directly face the vehicle interior material 130, with the gap space GS between them. For example, the one or more holes 135 in the vehicle interior material 130 can be spaced apart from the rear surface 311r of the first housing 311.

[0373] According to an embodiment of the present disclosure, the connecting member 350 is configured with a relatively rigid material (or hard material), and thus the vibration of the first shell 311 can be transmitted to the vehicle interior material 130 based on the vibration of the vibration device 333. Therefore, the vehicle interior material 130 can vibrate based on the vibration transmitted through the connecting member 350 to generate sound. For example, when the connecting member 350 is configured with a relatively rigid material (or hard material), the vehicle interior material 130 connected to the connecting member 350 can be a vibration plate for generating (or outputting) sound. For example, when the connecting member 350 is configured with a relatively rigid material (or hard material), the vibration of the first shell 311 can be more effectively transmitted to the vehicle interior material 130.

[0374] According to an embodiment of the present disclosure, the vehicle interior material 130 can vibrate based on the vibration of the housing 310 (or first housing 311) transmitted through the connecting member 350, which is connected (or coupled) to a portion (or both edge portions) of the housing 310 (or first housing 311), and thus can output sound to the interior space of the vehicle. Therefore, based on the vibration of the vehicle interior material 130 having a size larger than that of the housing 310 (or first housing 311) and the increase in the displacement amount (or bending force) or amplitude displacement (or vibration width) of the housing 310 (or first housing 311), sound can be generated. As a result, the sound characteristics and / or sound pressure level characteristics of the tonal sound band including the mid- and low-pitched tonal sound band generated by the driving (or vibration) of the sound device 30 can be enhanced.

[0375] Refer to above Figure 43 and Figure 44 The sound device 30 described above may be replaced (or modified) by Figure 41 The sound device 30 described above is not described, and therefore, its repeated description is omitted. For example, when referring to Figure 43 and Figure 44 The sound device 30 described above is replaced (or modified) by Figure 41 When describing the sound device 30, the distance (or gap) between the shell 310 and the vehicle interior material 130 can be increased by one or more of the connecting member 350 and the gap member 319, and thus, the sound characteristics and / or sound pressure level characteristics of a specific frequency (e.g., 1 kHz) generated based on the vibration of the shell 310 can be increased (or enhanced).

[0376] exist Figure 43 and Figure 44 , the housing 310 is shown as being configured with only the first housing 311 (but not limited thereto), and may include the above reference Figures 3 to 6 The second housing 312 is described, and therefore, its repeated description is omitted. For example, Figure 43 and Figure 44 The sound device 30 shown can be replaced by (or modified to) the above reference Figures 3 to 30 The sound device 30 is described above, and therefore, repeated description thereof is omitted.

[0377] Figure 45 is a cross-sectional view illustrating a sound device according to another embodiment of the present disclosure.

[0378] Figure 46 is a diagram showing an embodiment according to the present disclosure Figure 45 A perspective view of the housing is shown in FIG.

[0379] Figure 45 and Figure 46 Shown above with reference Figure 43 and Figure 44 An embodiment in which a protrusion is additionally provided in the housing of the sound device is described.

[0380] Reference Figure 45 and Figure 46 , the sound device 30 according to another embodiment of the present disclosure may include a housing 310, a sound generating module 330 and a connecting member 350. The description of the housing 310, the sound generating module 330 and the connecting member 350 may be the same as that described above with reference to Figures 33 to 41 The descriptions described are substantially the same, and thus, like reference numerals denote like elements, and repeated descriptions thereof are omitted or will be briefly given below.

[0381] The sound device 30 (or housing 310) can be connected or coupled to the vehicle interior material 130 via a connecting member 350. The connecting member 350 or the first connecting member 351 and the second connecting member 352 can provide a gap space GS between the center portion of the sound device 30 (or housing 310) and the vehicle interior material 130. The first connecting member 351 and the second connecting member 352 of the connecting member 350 can be parallel to each other with a gap space GS between them. Therefore, the vehicle interior material 130 can be connected or coupled to the connecting member 350 and can be spaced apart from the center portion of the sound device 30 (or housing 310). For example, the rear center portion of the sound device 30 (or housing 310) can face or directly face the vehicle interior material 130 with a gap space GS between them.

[0382] The vehicle interior material 130 may include a first surface and a second surface different from (or opposite to) the first surface. The first surface may be a surface facing the housing 310. The vehicle interior material 130 may also include holes 137. The vehicle interior material 130 may also include holes 137 arranged at the first surface and the second surface. For example, the holes 137 of the vehicle interior material 130 may be arranged to pass through the first surface and the second surface.

[0383] The hole 137 may correspond to the opening portion 310o of the housing 310 (or the first housing 311) (or overlap with the opening portion 310o of the housing 310 (or the first housing 311)). For example, the hole 137 may have a size greater than or equal to the size of the opening portion 310o. For example, the hole 137 may be a through hole, an opening portion, an open hole, a slit, a slot, a sound hole, a sound emission hole, or a sound output hole, but embodiments of the present disclosure are not limited thereto.

[0384] According to an embodiment of the present disclosure, the vehicle interior material 130 may vibrate based on the vibration of the housing 310 (or the first housing 311 ) transferred through the connection member 350 to output sound toward the inner space of the vehicle.

[0385] According to another embodiment of the present disclosure, the housing 310 (or the first housing 311) can be Figure 42 The connecting member 350 is connected or coupled to the vehicle interior material 130. For example, the vehicle interior material 130 can vibrate based on the vibration of the housing 310 (or the first housing 311) transmitted through the connecting member 350, which is provided (or inserted) in the entire gap space GS between the sound device 30 (or the housing 310) and the vehicle interior material 130, to output sound toward the interior space of the vehicle.

[0386] The sound device 30 or the housing 310 according to another embodiment of the present disclosure may further include a protrusion 315 . The first housing 311 of the housing 310 may further include a protrusion 315 .

[0387] The protrusion 315 may surround the opening 310o of the housing 310. For example, the protrusion 315 may be configured to surround the opening 310o. The protrusion 315 may include an opening hole (or hollow hole) 315o corresponding to (connected to) the opening 310o.

[0388] The protrusion 315 may protrude from the rear surface (or outer surface) 311r of the first housing 311 to have an opening hole 315o. The protrusion 315 may protrude from the rear surface (or outer surface) 311r of the first plate 311a of the first housing 311 to surround the opening 310o. For example, the protrusion 315 may protrude from the rear surface (or outer surface) 311r of the first housing 311 or the first plate 311a to have an opening hole 315o.

[0389] A portion (or end portion) of the protrusion 315 can be received or inserted into the hole 137 of the vehicle interior material 130. For example, the hole 137 of the vehicle interior material 130 can receive a portion (or end portion) of the protrusion 315. Therefore, the sound generated by the vibration of the sound generating module 330 can be output to the interior space of the vehicle through the hole 137 of the vehicle interior material 130 and the opening hole 315o of the protrusion 315.

[0390] The sound device 30 according to another embodiment of the present disclosure may further include a coupling portion. The coupling portion may be configured to fix the housing 310 mounted on the vehicle interior material 130. The vehicle interior material 130 may be disposed (or inserted) between the housing 310 (or the sound device 30) and the coupling portion. For example, the coupling portion may be connected (or coupled) or fastened to the protrusion 315 (or the housing 310 or the sound device 30) through the hole 137 of the vehicle interior material 130 at the interior space of the vehicle. For example, the coupling portion may be connected (or coupled) or fastened to the protrusion 315 (or the housing 310 or the sound device 30) through a hook coupling scheme.

[0391] According to an embodiment of the present disclosure, the housing 310 may include the protrusion 315, and thus, the coupling portion may be easily connected or coupled to the protrusion 315. Therefore, the connection process or coupling process between the vehicle interior material 130 and the sound device 30 may be simplified.

[0392] Figure 47 is a diagram illustrating a vibration device according to an embodiment of the present disclosure. Figure 48 According to the embodiment of the present disclosure Figure 47 XX' is a cross-sectional view taken along the line XX' shown in FIG. Figure 49 According to the embodiment of the present disclosure Figure 47 1 is a cross-sectional view taken along line XI-XI' shown in FIG.

[0393] Reference Figures 47 to 49 In the sound generating module 330 according to an embodiment of the present disclosure, the vibration device 333 may include one or more vibration generators 1310. Each of the first vibration device 333a and the second vibration device 333b may include a vibration generator 1310.

[0394] The vibration generator 1310 may include a piezoelectric material having piezoelectric properties. The vibration generator 1310 may vibrate (or displace or drive) the vibration member based on the vibration (or displacement or drive) of the piezoelectric material based on an electrical signal (or voice signal or sound signal) applied to the piezoelectric material. For example, the vibration generator 1310 may vibrate (or displace or drive) by alternately repeating contraction and / or expansion through the piezoelectric effect (or piezoelectric properties). For example, when alternately repeating contraction and / or expansion through the reverse piezoelectric effect, the vibration generator 1310 may vibrate (or displace or drive) in the vertical direction (or thickness direction) Z. For example, in the vibration generator 1310, the piezoelectric material including piezoelectric ceramics may vibrate or mechanically displace (or vibrate or drive) in response to an electrical signal applied from the outside.

[0395] The vibration generator 1310 may be configured as a ceramic-based piezoelectric material capable of achieving relatively strong vibration, or may be configured as a piezoelectric ceramic having a perovskite-based crystal structure. For example, the vibration generator 1310 may be a vibration generating device, a vibration membrane, a vibration generating membrane, a vibrator, an active vibrator, an active vibration generator, an actuator, an exciter, a membrane actuator, a membrane exciter, an ultrasonic actuator, or an active vibration member, but embodiments of the present disclosure are not limited thereto.

[0396] The vibration generator 1310 according to an embodiment of the present disclosure may include a vibration generating part 1311 .

[0397] The vibration generating unit 1311 can be configured to vibrate based on a drive signal through the piezoelectric effect. For example, the vibration generating unit 1311 can include a piezoelectric vibrating unit. The vibration generating unit 1311 can include at least one or more of a piezoelectric inorganic material and a piezoelectric organic material. For example, the vibration generating unit 1311 can be a vibration device, a piezoelectric device, a piezoelectric device portion, a piezoelectric device layer, a piezoelectric structure, a piezoelectric vibrating portion, a piezoelectric vibrating layer, etc., but embodiments of the present disclosure are not limited thereto.

[0398] The vibration generating portion 1311 according to an embodiment of the present disclosure may include a vibration portion 1311 a , a first electrode portion 1311 b , and a second electrode portion 1311 c .

[0399] The vibration part 1311a may include a piezoelectric material or an electroactive material including a piezoelectric effect. For example, the vibration part 1311a may be a piezoelectric layer, a piezoelectric material layer, an electroactive layer, a piezoelectric composite layer, a piezoelectric composite, or a piezoelectric ceramic composite, but the embodiments of the present disclosure are not limited thereto.

[0400] The vibration portion 1311a may be configured as a ceramic-based material capable of achieving relatively strong vibration, or may be configured as a piezoelectric ceramic having a perovskite-based crystal structure. For example, the vibration portion 1311a may include at least one or more of lead titanate (PbTiO3), lead zirconate (PbZrO3), lead zirconate titanate (PbZrTiO3), barium titanate (BaTiO3), and strontium titanate (SrTiO3), but embodiments of the present disclosure are not limited thereto.

[0401] The piezoelectric ceramic may be configured as a single crystal ceramic having a crystal structure, or may be configured as a ceramic material or polycrystalline ceramic having a polycrystalline structure. The piezoelectric material comprising a single crystal ceramic may include α-AlPO4, α-SiO2, LiNbO3, Tb2(MoO4)3, Li2B4O7 or ZnO, but the embodiments of the present disclosure are not limited thereto. The piezoelectric material comprising a polycrystalline ceramic may include a lead zirconate titanate (PZT)-based material, which includes lead (Pb), zirconium (Zr) and titanium (Ti), or may include a lead zirconate nickel niobate (PZNN)-based material, which includes lead (Pb), zirconium (Zr), nickel (Ni) and niobium (Nb), but the embodiments of the present disclosure are not limited thereto. For example, the vibration part 1311 a may include at least one or more of calcium titanate (CaTiO 3 ) not containing lead (Pb), BaTiO 3 , and SrTiO 3 , but embodiments of the present disclosure are not limited thereto.

[0402] The first electrode portion 1311b may be provided at the first surface (or upper surface or front surface) 1311s1 of the vibration portion 1311a. The first electrode portion 1311b may have the same size as the vibration portion 1311a, or may have a size smaller than the vibration portion 1311a, but the embodiments of the present disclosure are not limited thereto.

[0403] The second electrode portion 1311c may be provided at a second surface (or lower surface or rear surface) 1311s2 of the vibration portion 1311a that is opposite to or different from the first surface 1311s1. The second electrode portion 1311c may have the same size as the vibration portion 1311a, or may have a size smaller than the vibration portion 1311a, but embodiments of the present disclosure are not limited thereto. For example, the second electrode portion 1311c may have the same shape as the vibration portion 1311a, but embodiments of the present disclosure are not limited thereto.

[0404] According to an embodiment of the present disclosure, one or more of the first electrode portion 1311b and the second electrode portion 1311c can be formed of a transparent conductive material, a semi-transparent conductive material, or an opaque conductive material. For example, the transparent conductive material or the semi-transparent conductive material can include indium tin oxide (ITO) or indium zinc oxide (IZO), but the embodiments of the present disclosure are not limited thereto. The opaque conductive material can include gold (Au), silver (Ag), platinum (Pt), palladium (Pd), molybdenum (Mo), magnesium (Mg), carbon, or silver (Ag) containing glass frit, or can be made of an alloy thereof, but the embodiments of the present disclosure are not limited thereto. For example, in order to enhance the electrical and / or vibration characteristics of the vibration portion 1311a, each of the first electrode portion 1311b and the second electrode portion 1311c can contain silver (Ag) having a low resistivity. For example, the carbon can include one or more of carbon black, ketjen black, carbon nanotubes, and a carbon material including graphite, but the embodiments of the present disclosure are not limited thereto.

[0405] The vibration portion 1311a can be polarized (or polarized) by applying a specific voltage to the first electrode portion 1311b and the second electrode portion 1311c in a specific temperature atmosphere or a temperature atmosphere that can be changed from high temperature to room temperature, but the embodiments of the present disclosure are not limited thereto. For example, the polarization direction (or polarization direction) formed in the vibration portion 1311a can be formed or aligned (or arranged) from the first electrode portion 1311b to the second electrode portion 1311c, but the embodiments of the present disclosure are not limited thereto. For example, the polarization direction (or polarization direction) formed in the vibration portion 1311a can be formed or aligned (or arranged) from the second electrode portion 1311c to the first electrode portion 1311b.

[0406] The vibration portion 1311a can be vibrated by contracting and / or expanding alternately and repeatedly by the reverse piezoelectric effect based on a driving signal applied from the outside to the first electrode portion 1311b and the second electrode portion 1311c. For example, the vibration portion 1311a can be vibrated in the vertical direction (or thickness direction) and the planar direction by the signal applied to the first electrode portion 1311b and the second electrode portion 1311c. The vibration portion 1311a can be displaced (or vibrated or driven) by contraction and / or expansion in the planar direction, thereby improving the vibration characteristics including the sound characteristics and / or sound pressure level characteristics of the vibration generator 1310.

[0407] The vibration generator 1310 according to an embodiment of the present disclosure may further include a first cover member 1313 and a second cover member 1315 .

[0408] The first cover member 1313 may be provided at the first surface of the vibration generating portion 1311. For example, the first cover member 1313 may be configured to cover the first electrode portion 1311b of the vibration generating portion 1311. For example, the first cover member 1313 may be configured to cover the first electrode portion 1311b of the vibration generating portion 1311. For example, the first cover member 1313 may be configured to have a size larger than that of the vibration generating portion 1311, but embodiments of the present disclosure are not limited thereto. The first cover member 1313 may be configured to protect the first surface of the vibration generating portion 1311 and the first electrode portion 1311b.

[0409] The second cover member 1315 may be provided at the second surface of the vibration generating portion 1311. For example, the second cover member 1315 may be configured to cover the second electrode portion 1311c of the vibration generating portion 1311. For example, the second cover member 1315 may be configured to have a size larger than that of the vibration generating portion 1311, and may be configured to have the same size as that of the first cover member 1313, but embodiments of the present disclosure are not limited thereto. The second cover member 1315 may be configured to protect the second surface of the vibration generating portion 1311 and the second electrode portion 1311c.

[0410] The first cover member 1313 and the second cover member 1315 according to an embodiment of the present disclosure may include the same material or different materials. For example, each of the first cover member 1313 and the second cover member 1315 may be a polyimide (PI) film, a polyethylene terephthalate (PET) film, or a polyethylene naphthalate (PEN) film, but the embodiments of the present disclosure are not limited thereto.

[0411] The first cover member 1313 may be connected or coupled to the first surface of the vibration generating part 1311 or the first electrode part 1311 b by using the first adhesive layer 1317. For example, the first cover member 1313 may be connected or coupled to the first surface of the vibration generating part 1311 or the first electrode part 1311 b by a film lamination process using the first adhesive layer 1317.

[0412] The second cover member 1315 may be connected or coupled to the second surface of the vibration generating part 1311 or the second electrode part 1311 c by using the second adhesive layer 1319. For example, the second cover member 1315 may be connected or coupled to the second surface of the vibration generating part 1311 or the second electrode part 1311 c by a film lamination process using the second adhesive layer 1319.

[0413] Either of the first cover member 1313 and the second cover member 1315 may be omitted. For example, either of the first cover member 1313 and the second cover member 1315 may be configured to cover or protect at least one or more of the first surface and the second surface of the vibration generating part 1311 .

[0414] Each of the first adhesive layer 1317 and the second adhesive layer 1319 according to an embodiment of the present disclosure may include an electrically insulating material having adhesiveness and capable of compression and decompression. For example, each of the first adhesive layer 1317 and the second adhesive layer 1319 may include epoxy resin, acrylic resin, silicone resin, polyurethane resin, acrylic-based polymer, silicone-based polymer, or polyurethane-based polymer, but embodiments of the present disclosure are not limited thereto.

[0415] The first adhesive layer 1317 and the second adhesive layer 1319 may be disposed between the first cover member 1313 and the second cover member 1315 to surround the vibration generating part 1311. For example, one or more of the first adhesive layer 1317 and the second adhesive layer 1319 may be disposed to partially or completely surround the vibration generating part 1311.

[0416] Either one of the first cover member 1313 and the second cover member 1315 can be opened by using Figures 3 to 44 The adhesive member 332 is shown connected or coupled to the vibration member 331 .

[0417] The vibration generator 1310 according to an embodiment of the present disclosure may further include a signal supply member 1320 .

[0418] The signal supply member 1320 may be configured to supply the driving signal supplied from the driving circuit portion to the vibration generating portion 1311. The signal supply member 1320 may be configured to be electrically connected to the vibration portion 1311a. The signal supply member 1320 may be configured to be electrically connected to the first electrode portion 1311b and the second electrode portion 1311c of the vibration generating portion 1311.

[0419] A portion of the signal supply member 1320 can be accommodated (or inserted) between the first cover member 1313 and the second cover member 1315. The end portion (or distal portion or one side) of the signal supply member 1320 can be set or inserted (or accommodated) between an edge portion of the first cover member 1313 and an edge portion of the second cover member 1315. An edge portion of the first cover member 1313 and an edge portion of the second cover member 1315 can accommodate or vertically (or up and down) cover the end portion (or distal portion or one side) of the signal supply member 1320. Therefore, the signal supply member 1320 can be integrated into the vibration generating unit 1311. Therefore, the sound generating module 330 or the vibration device 333 can be implemented as a membrane type integrated with the signal supply member 1320. For example, the signal supply member 1320 can be configured as a component with the vibration generating unit 1311, thereby achieving a single material effect. For example, the signal supply member 1320 may be configured as a signal cable, a flexible cable, a flexible printed circuit cable, a flexible flat cable, a single-sided flexible printed circuit, a single-sided flexible printed circuit board, a flexible multilayer printed circuit, or a flexible multilayer printed circuit board, but embodiments of the present disclosure are not limited thereto.

[0420] The signal supply member 1320 according to an embodiment of the present disclosure may include a base member 1321 and a plurality of signal lines 1323a and 1323b. For example, the signal supply member 1320 may include a base member 1321, a first signal line 1323a, and a second signal line 1323b.

[0421] The base member 1321 may include a transparent or opaque plastic material, but the embodiments of the present disclosure are not limited thereto. The base member 1321 may have a certain width along a first direction X and may extend long along a second direction Y intersecting the first direction X.

[0422] The first signal line 1323a and the second signal line 1323b may be disposed at a first surface of the base member 1321 parallel to the second direction Y, and may be spaced apart from or electrically separated from each other along the first direction X. The first signal line 1323a and the second signal line 1323b may be disposed parallel to each other at the first surface of the base member 1321. For example, the first signal line 1323a and the second signal line 1323b may be implemented in a line shape by patterning a metal layer (or a conductive layer) formed or deposited at the first surface of the base member 1321, but embodiments of the present disclosure are not limited thereto.

[0423] End portions (or distal end portions or one side) of the first signal line 1323 a and the second signal line 1323 b may be separated from each other and thus may be individually bent or curved.

[0424] The end portion (or distal portion or one side) of the first signal line 1323a can be electrically connected to the first electrode portion 1311b of the vibration generating unit 1311. For example, the end portion of the first signal line 1323a can be electrically connected to at least a portion of the first electrode portion 1311b of the vibration generating unit 1311 in one edge portion of the first cover member 1313. For example, the end portion (or distal portion or one side) of the first signal line 1323a can be electrically connected and directly connected to at least a portion of the first electrode portion 1311b of the vibration generating unit 1311. For example, the end portion (or distal portion or one side) of the first signal line 1323a can be electrically connected to or directly contact the first electrode portion 1311b of the vibration generating unit 1311. For example, the end portion of the first signal line 1323a can be electrically connected to the first electrode portion 1311b via a conductive double-sided tape. Therefore, the first signal line 1323a can supply the first drive signal supplied from the drive circuit portion to the first electrode portion 1311b of the vibration generating unit 1311.

[0425] The end portion (or distal portion or one side) of the second signal line 1323b can be electrically connected to the second electrode portion 1311c of the vibration generating unit 1311. For example, the end portion of the second signal line 1323b can be electrically connected to at least a portion of the second electrode portion 1311c of the vibration generating unit 1311 in one edge portion of the second cover member 1315. For example, the end portion of the second signal line 1323b can be electrically connected and directly connected to at least a portion of the second electrode portion 1311c of the vibration generating unit 1311. For example, the end portion of the second signal line 1323b can be electrically connected to or directly contact the second electrode portion 1311c of the vibration generating unit 1311. For example, the end portion of the second signal line 1323b can be electrically connected to the second electrode portion 1311c via a conductive double-sided tape. Therefore, the second signal line 1323b can supply the second drive signal supplied from the drive circuit portion to the second electrode portion 1311c of the vibration generating unit 1311.

[0426] The signal supply member 1320 according to an embodiment of the present disclosure may further include an insulating layer 1325 .

[0427] An insulating layer 1325 may be provided at the first surface of the base member 1321 to cover each of the first and second signal lines 1323 a and 1323 b except for an end portion (or one side) of the signal supply member 1320 .

[0428] An end portion (or one side) of the signal supply member 1320, including an end portion (or one side) of the base member 1321 and an end portion (or one side) 1325a of the insulating layer 1325, may be inserted (or accommodated) between the first cover member 1313 and the second cover member 1315, and may be fixed between the first cover member 1313 and the second cover member 1315 by the first adhesive layer 1317 and the second adhesive layer 1319. Thus, an end portion (or one side) of the first signal line 1323a may remain electrically connected to the first electrode portion 1311b of the vibration generating portion 1311, and an end portion (or one side) of the second signal line 1323b may remain electrically connected to the second electrode portion 1311c of the vibration generating portion 1311. In addition, the end portion (or one side) of the signal supply member 1320 can be inserted (or accommodated) and fixed between the vibration generating part 1311 and the first cover member 1313, and thus, the contact defect between the vibration generator 1310 and the signal supply member 1320 caused by the movement of the signal supply member 1320 can be prevented.

[0429] In the signal supply member 1320 according to an embodiment of the present disclosure, each of the end portion (or side) of the base member 1321 and the end portion (or side) 1325a of the insulating layer 1325 can be removed. For example, each of the end portion of the first signal line 1323a and the end portion of the second signal line 1323b can be exposed to the outside without being supported or covered by each of the end portion (or side) 1325a of the base member 1321 and the end portion (or side) 1325a of the insulating layer 1325, respectively. For example, each of the end portion (or side) of the first signal line 1323a and the second signal line 1323b can protrude (or extend) from the end portion 1321e of the base member 1321 or the end portion 1325e of the insulating layer 1325 to have a certain length. Therefore, each of the end portions (or distal portions or sides) of each of the first signal line 1323a and the second signal line 1323b can be bent individually or independently.

[0430] An end portion (or one side) of the first signal line 1323a that is not supported by an end portion (or one side) of the base member 1321 and an end portion 1325a of the insulating layer 1325 may be directly connected to or in direct contact with the first electrode portion 1311b of the vibration generating portion 1311. An end portion (or one side) of the second signal line 1323b that is not supported by an end portion (or one side) of the base member 1321 and an end portion 1325a of the insulating layer 1325 may be directly connected to or in direct contact with the second electrode portion 1311c of the vibration generating portion 1311.

[0431] According to an embodiment of the present disclosure, a portion of the signal supply member 1320 or a portion of the base member 1321 may be provided or inserted (or accommodated) between the first cover member 1313 and the second cover member 1315, and thus, the signal supply member 1320 may be integrated with the vibration generating part 1311. Therefore, the vibration generating part 1311 and the signal supply member 1320 may be configured as one component, and thus, a single material effect may be obtained.

[0432] According to an embodiment of the present disclosure, the first signal line 1323a and the second signal line 1323b of the signal supply member 1320 may be integrated with the vibration generator 1310, and thus, a welding process for electrical connection between the vibration generator 1310 and the signal supply member 1320 may not be required. Therefore, the manufacturing process and structure of the vibration device 333 may be simplified, and the risks associated with the welding process may be reduced.

[0433] Figure 50 is a diagram showing a vibration unit according to another embodiment of the present disclosure. For example, Figure 50 Shown above reference Figures 47 to 49 Another embodiment of the vibration portion is described.

[0434] Reference Figure 48 and Figure 50 The vibration part 1311a according to another embodiment of the present disclosure may include a plurality of first parts 1311a1 and a plurality of second parts 1311a2. For example, the plurality of first parts 1311a1 and the plurality of second parts 1311a2 may be alternately and repeatedly arranged along the second direction Y (or the first direction X).

[0435] Each of the plurality of first portions 1311a1 may include an inorganic material portion having a piezoelectric effect (or piezoelectric characteristics). For example, each of the plurality of first portions 1311a1 may include at least one or more of a piezoelectric inorganic material and a piezoelectric organic material. For example, each of the plurality of first portions 1311a1 may be an inorganic portion, an inorganic material portion, a piezoelectric portion, a piezoelectric material portion, or an electroactive portion, but embodiments of the present disclosure are not limited thereto.

[0436] According to an embodiment of the present disclosure, each of the plurality of first portions 1311a1 may have a width parallel to the second direction Y (or the first direction X) and may extend along the first direction X (or the second direction Y). Figures 47 to 49 The described vibration parts 1311 a are substantially the same, and thus, repeated descriptions thereof are omitted or will be briefly given below.

[0437] Each of the plurality of second portions 1311a2 may be disposed between the plurality of first portions 1311a1. For example, each of the plurality of first portions 1311a1 may be disposed between two adjacent second portions 1311a2 of the plurality of second portions 1311a2. Each of the plurality of second portions 1311a2 may have a width parallel to the second direction Y (or first direction X) and may extend along the first direction X (or second direction Y). The width of the first portion 1311a1 may be the same as or different from the width of the second portion 1311a2. For example, the width of the first portion 1311a1 may be greater than the width of the second portion 1311a2. For example, the first portion 1311a1 and the second portion 1311a2 may include a line shape or a stripe shape having the same size or different sizes, but the embodiments of the present disclosure are not limited thereto.

[0438] Each of the plurality of second parts 1311a2 can be configured to fill the gap between two adjacent first parts of the plurality of first parts 1311a1. Each of the plurality of second parts 1311a2 can be configured to fill the gap between two adjacent first parts of the plurality of first parts 1311a1, and thus can be connected to the lateral surface of the first part 1311a1 adjacent thereto or attached to the lateral surface of the first part 1311a1 adjacent thereto. According to an embodiment of the present disclosure, each of the plurality of first parts 1311a1 and the plurality of second parts 1311a2 can be arranged (or disposed) in parallel with each other at the same plane (or the same layer). Therefore, the vibration portion 1311a can be expanded to a desired size or length by the lateral coupling (or connection) of the first part 1311a1 and the second part 1311a2.

[0439] According to an embodiment of the present disclosure, each of the plurality of second portions 1311a2 can absorb the impact applied to the first portion 1311a1, and thus can enhance the overall durability of the first portion 1311a1 and provide flexibility to the vibration portion 1311a. Each of the plurality of second portions 1311a2 can include an organic material having ductile properties. For example, each of the plurality of second portions 1311a2 can include one or more of an epoxy-based polymer, an acrylic-based polymer, and a silicone-based polymer, but the embodiments of the present disclosure are not limited thereto. For example, each of the plurality of second portions 1311a2 can be an organic portion, an organic material portion, an adhesive portion, a stretching portion, a bending portion, a damping portion, or an extension portion, but the embodiments of the present disclosure are not limited thereto.

[0440] The first surface of each of the plurality of first portions 1311a1 and the plurality of second portions 1311a2 may be commonly connected to the first electrode portion 1311b. The second surface of each of the plurality of first portions 1311a1 and the plurality of second portions 1311a2 may be commonly connected to the second electrode portion 1311c. For example, one or both of the first electrode portion 1311b and the second electrode portion 1311c may be formed as a patterned electrode to correspond only to the plurality of first portions 1311a1.

[0441] The plurality of first portions 1311a1 and the plurality of second portions 1311a2 may be arranged on (or connected to) the same plane, and thus, the vibration portion 1311a according to another embodiment of the present disclosure may have a single film type. Therefore, the vibration generating portion 1311 or the vibration generator 1310 including the vibration portion 1311a according to another embodiment of the present disclosure may vibrate by the first portion 1311a1 having vibration characteristics, and may be bent into a curved shape by the second portion 1311a2 having flexibility.

[0442] Figure 51 is a diagram showing a vibration unit according to another embodiment of the present disclosure. For example, Figure 51 Shown above reference Figures 47 to 49 Another embodiment of the vibration portion is described.

[0443] Reference Figure 48 and Figure 51 , the vibration part 1311 a according to another embodiment of the present disclosure may include a plurality of first portions 1311 a 3 and a second portion 1311 a 4 disposed between the plurality of first portions 1311 a 3 .

[0444] Each of the plurality of first portions 1311a3 may be arranged to be spaced apart from each other along each of the first direction X and the second direction Y. For example, each of the plurality of first portions 1311a3 may have a hexahedral shape having the same size and may be arranged in a lattice shape, but embodiments of the present disclosure are not limited thereto. For example, each of the plurality of first portions 1311a3 may have a circular plate, an elliptical plate, or a polygonal plate having the same size as each other, but embodiments of the present disclosure are not limited thereto.

[0445] Each of the plurality of first portions 1311a3 may be the same as that referred to above. Figure 50 The first portion 1311a1 of the description is substantially the same, and therefore, a repeated description thereof is omitted or will be briefly given below.

[0446] The second portion 1311a4 may be disposed between the plurality of first portions 1311a3 along each of the first direction X and the second direction Y. The second portion 1311a4 may be configured to fill a gap between two adjacent first portions 1311a3, or to be adjacent to each of the plurality of first portions 1311a3, or to surround each of the plurality of first portions 1311a3, and thus, the second portion 1311a4 may be connected to or attached to the first portion 1311a3 adjacent thereto. The second portion 1311a4 may be similar to the first portion 1311a3 described above. Figure 50 The second portion 1311a2 of the description is substantially the same, and therefore, a repeated description thereof is omitted or will be briefly given below.

[0447] The first surface of each of the plurality of first portions 1311a3 and second portions 1311a4 may be commonly connected to the first electrode portion 1311b. The second surface of each of the plurality of first portions 1311a3 and second portions 1311a4 may be commonly connected to the second electrode portion 1311c. For example, one or both of the first electrode portion 1311b and the second electrode portion 1311c may be formed as a patterned electrode to correspond only to the plurality of first portions 1311a3.

[0448] The plurality of first portions 1311a3 and second portions 1311a4 may be arranged on (or connected to) the same plane, and thus, the vibration portion 1311a according to another embodiment of the present disclosure may have a single film type. Therefore, the vibration generating portion 1311 or the vibration generator 1310 including the vibration portion 1311a according to another embodiment of the present disclosure may be vibrated by the first portion 1311a3 having vibration characteristics, and may be bent into a curved shape by the second portion 1311a4 having flexibility.

[0449] Figure 52 is a diagram illustrating a vibration device according to another embodiment of the present disclosure.

[0450] Reference Figure 52 , a vibration device 333 according to another embodiment of the present disclosure may include a plurality of vibration generators 1310a and 1310b. Each of the first vibration device 333a and the second vibration device 333b of the vibration device 333 may include a plurality of vibration generators 1310a and 1310b. For example, the vibration device 333 or each of the first vibration device 333a and the second vibration device 333b may include a first vibration generator 1310a and a second vibration generator 1310b.

[0451] The first vibration generator 1310a and the second vibration generator 1310b can overlap or stack with each other to shift (or drive or vibrate) in the same direction to maximize the amplitude displacement of the vibration device 333 and / or the amplitude displacement of the vibration member 331. For example, the first vibration generator 1310a and the second vibration generator 1310b can have substantially the same size, but embodiments of the present disclosure are not limited thereto. For example, the first vibration generator 1310a and the second vibration generator 1310b can maximize the amplitude displacement of the vibration device 333 and / or the amplitude displacement of the vibration member 331.

[0452] According to an embodiment of the present disclosure, either one of the first vibration generator 1310a and the second vibration generator 1310b can be configured to generate a vibration signal by using Figures 3 to 6 as well as Figures 28 to 44 The adhesive member 332 is shown connected or coupled to the vibration member 331. For example, the first vibration generator 1310a may be connected or coupled to the vibration member 331 by using the adhesive member 332.

[0453] Each of the first vibration generator 1310a and the second vibration generator 1310b may be the same as that described above with reference to Figures 47 to 51 Those of the described vibration generator 1310 are the same or substantially the same, and thus, like reference numerals denote like elements, and repeated descriptions thereof are omitted or will be briefly given below.

[0454] The vibration device 333 according to another embodiment of the present disclosure may further include an intermediate member 1330 .

[0455] The intermediate member 1330 may be disposed or connected between the first vibration generator 1310a and the second vibration generator 1310b. For example, the intermediate member 1330 may be disposed or connected between the second cover member 1315 of the first vibration generator 1310a and the first cover member 1313 of the second vibration generator 1310b. For example, the intermediate member 1330 may be an adhesive member or a connecting member, but embodiments of the present disclosure are not limited thereto.

[0456] The intermediate member 1330 according to an embodiment of the present disclosure can be configured with a material including an adhesive layer that has good adhesion or attachment to each of the first vibration generator 1310a and the second vibration generator 1310b. For example, the intermediate member 1330 can include a foam pad, double-sided tape, double-sided foam tape, double-sided pad, double-sided foam pad, or adhesive, etc., but the embodiments of the present disclosure are not limited thereto. For example, the adhesive layer of the intermediate member 1330 can include epoxy resin, acrylic resin, silicone resin, or polyurethane, but the embodiments of the present disclosure are not limited thereto. For example, the adhesive layer of the intermediate member 1330 can include a polyurethane-based material (or substance) with relatively ductile properties. Therefore, the vibration loss caused by the displacement interference between the first vibration generator 1310a and the second vibration generator 1310b can be reduced or minimized, or each of the first vibration generator 1310a and the second vibration generator 1310b can be freely displaced (or vibrated or driven).

[0457] The vibration device 333 or the first vibration device 333a and the second vibration device 333b according to another embodiment of the present disclosure may include a first vibration generator 1310a and a second vibration generator 1310b that are stacked (or stacked or overlapped) to vibrate (or displace or drive) in the same direction, and thus, the displacement amount or amplitude displacement can be maximized or increased. Therefore, the displacement amount (or bending force or driving force) or displacement amplitude of the vibration member 331 can be maximized or increased.

[0458] Figure 53 : is a diagram showing a vehicle device according to an embodiment of the present disclosure. Figure 54 : is a diagram showing a vehicle device according to an embodiment of the present disclosure. Figure 55 It shows the settings Figure 53 and Figure 54 FIG. 4 is a diagram of a sound generating device at the roof of a vehicle device shown in FIG. Figure 56 It shows the settings Figure 53 and Figure 54 FIG. 4 is a diagram of a sound generating device at the roof and seat of a vehicle device shown in FIG.

[0459] Reference Figures 53 to 56 The vehicle device 10 according to an embodiment of the present disclosure may include a vehicle interior material 130 and one or more first sound generating devices 30-1. For example, the vehicle interior material 130 may output sound based on the vibration of the one or more first sound generating devices 30-1. For example, the vehicle interior material 130 may be exposed to the interior space IS.

[0460] The first sound generating device 30-1 may include at least one or more sound generators 31A to 31G, each of which is provided in at least one or more of the instrument panel 130A, the pillar interior material 130B, the roof interior material 130C, the door interior material 130D, the seat interior material 130E, the handle interior material 130F, and the floor interior material 130G. For example, the first sound generating device 30-1 may include at least one or more of the first to seventh sound generators 31A to 31G, and thus may output sounds of one or more channels.

[0461] The first sound generating module 31A according to an embodiment of the present disclosure may be provided between the instrument panel 130A and the dash panel, and may be configured to indirectly or directly vibrate the instrument panel 130A to output a sound based on the vibration of the instrument panel 130A. Figures 3 to 52 The first sound generator 31A may be a dashboard speaker, for example.

[0462] According to an embodiment of the present disclosure, at least one or more of the dash panel and the instrument panel 130A may include a first area corresponding to the driver's seat DS, a second area corresponding to the passenger seat PS, and a third area (or intermediate area) between the first and second areas. At least one or more of the dash panel and the instrument panel 130A may include a fourth area that is tilted to face the passenger seat PS. According to an embodiment of the present disclosure, the first sound generator 31A may be configured to vibrate at least one or more of the first to fourth areas of the instrument panel 130A. For example, the first sound generator 31A may be configured to output a sound of approximately 150 Hz to approximately 20 kHz. For example, the first sound generators 31A configured to vibrate at least one or more of the first to fourth areas of the instrument panel 130A may have the same sound output characteristics or different sound output characteristics.

[0463] The second sound generator 31B according to an embodiment of the present disclosure may be provided between the pillar inner material 130B and the pillar panel, and may be configured to indirectly or directly vibrate the pillar inner material 130B to output sound based on the vibration of the pillar inner material 130B. Figures 3 to 52 The sound device 30 is described above, and therefore repeated description thereof is omitted. For example, the second sound generator 31B may be a column speaker or a tweeter.

[0464] According to an embodiment of the present disclosure, the pillar panel may include a first pillar (or A-pillar) disposed on either side of the front window, a second pillar (or B-pillar) disposed on either side of the center of the vehicle body, and a third pillar (or C-pillar) disposed on either side of the rear portion of the vehicle body. Pillar inner material 130B may include first pillar inner material 130B1 covering the first pillar, second pillar inner material 130B2 covering the second pillar, and third pillar inner material 130B3 covering the third pillar. According to an embodiment of the present disclosure, a second sound generator 31B may be disposed in at least one or more of the area between the first pillar and first pillar inner material 130B1, the area between the second pillar and second pillar inner material 130B2, and the area between the third pillar and third pillar inner material 130B3, thereby causing at least one or more of the first to third pillar inner materials 130B1, 130B2, and 130B3 to vibrate. For example, the second sound generator 31B may be configured to output a sound of about 2 kHz to about 20 kHz, or may be configured to output a sound of about 150 kHz to about 20 kHz. For example, the second sound generator 31B configured to vibrate at least one or more of the first to third pillar inner materials 130B1, 130B2, and 130B3 may have the same sound output characteristics or different sound output characteristics.

[0465] Reference Figures 54 to 56 , the third sound generator 31C according to an embodiment of the present disclosure may be provided between the roof interior material 130C and the roof frame (or roof panel), and may vibrate the roof interior material 130C to output sound based on the vibration of the roof interior material 130C. For example, the third sound generator 31C may indirectly or directly vibrate the roof interior material 130C to output sound based on the vibration of the roof interior material 130C. According to an embodiment of the present disclosure, the third sound generator 31C may include the above-mentioned Figures 3 to 52 The third sound generator 31C may be a roof speaker, for example.

[0466] Reference Figure 55The roof interior material 130C may include a first area corresponding to the driver's seat DS, a second area corresponding to the passenger seat PS, a third area corresponding to the area between the driver's seat DS and the passenger seat PS, a fourth area corresponding to the first rear seat BS1 behind the driver's seat DS, a fifth area corresponding to the second rear seat BS2 behind the passenger seat PS, a sixth area corresponding to the area between the first rear seat BS1 and the second rear seat BS2, and a seventh area between the third and sixth areas. For example, the third sound generator 31C may be configured to vibrate at least one or more of the first through seventh areas of the roof interior material 130C. For example, the third sound generator 31C may be configured to output sound ranging from approximately 150 Hz to approximately 20 kHz. For example, the third sound generators 31C configured to vibrate at least one or more of the first through seventh areas of the roof interior material 130C may have the same sound output characteristics or different sound output characteristics. For example, at least one or more third sound generators 31C configured to vibrate at least one or more of the first to seventh areas of the roof interior material 130C may be configured to output sound of approximately 2 kHz to approximately 20 kHz, and other third sound generators 31C may be configured to output sound of approximately 150 Hz to approximately 20 kHz.

[0467] Reference Figure 53 and Figure 54 The fourth sound generator 31D according to an embodiment of the present disclosure may be provided between the door frame and the door interior material 130D, and may be configured to indirectly or directly vibrate the door interior material 130D to output sound based on the vibration of the door interior material 130D. According to an embodiment of the present disclosure, the fourth sound generator 31D may include the one described above with reference to Figures 3 to 52 The fourth sound generator 31D may be a door speaker, for example.

[0468] According to an embodiment of the present disclosure, at least one or more of the door frame and the door interior material 130D may include an upper region, a middle region, and a lower region relative to the height direction Z of the vehicle apparatus 10. For example, the fourth sound generator 31D may be provided in at least one or more of the upper region, the middle region, and the lower region between the door frame and the door interior material 130D, and thus may vibrate at least one or more of the upper region, the middle region, and the lower region of the door interior material 130D.

[0469] According to an embodiment of the present disclosure, the upper region of the door interior material 130D may have a relatively small radius of curvature. The fourth sound generator 31D for vibrating the upper region of the door interior material 130D may include the fourth sound generator 31D described above with reference to FIG. Figure 50 and Figure 51 An acoustic device 30 having flexible properties is described.

[0470] According to an embodiment of the present disclosure, the door frame may include a first door frame (or a left front door frame), a second door frame (or a right front door frame, a third door frame (or a left rear door frame), and a fourth door frame (or a right rear door frame). According to an embodiment of the present disclosure, the door interior material 130D may include a first door interior material (or a left front door interior material) 130D1 covering the first door frame, a second door interior material (or a right front door interior material) 130D2 covering the second door frame, a third door interior material (or a left rear door interior material) 130D3 covering the third door frame, and a fourth door interior material (or a left rear door interior material) 130D4 covering the third door frame. The fourth door interior material (or right rear door interior material) 130D4 of the fourth door frame. For example, the fourth sound generator 31D may be provided in at least one or more of the upper, middle, and lower regions between each of the first to fourth door frames and the first to fourth door interior materials 130D1, 130D2, 130D3, and 130D4, and may vibrate at least one or more of the upper, middle, and lower regions of each of the first to fourth door interior materials 130D1, 130D2, 130D3, and 130D4.

[0471] According to an embodiment of the present disclosure, the fourth sound generator 31D configured to vibrate the upper area of each of the first to fourth door interior materials 130D1, 130D2, 130D3 and 130D4 can be configured to output sound of approximately 2kHz to approximately 20kHz, or can be configured to output sound of approximately 150Hz to approximately 20kHz.

[0472] According to an embodiment of the present disclosure, the fourth sound generator 31D configured to vibrate the middle and lower regions of at least one or more of the first to fourth door interior materials 130D1, 130D2, 130D3, and 130D4 may be configured to output a sound of approximately 150 Hz to approximately 20 kHz. The fourth sound generator 31D configured to vibrate the middle and lower regions of each of the first to fourth door interior materials 130D1, 130D2, 130D3, and 130D4 may be configured to output a sound of approximately 150 Hz to approximately 20 kHz. For example, the fourth sound generator 31D configured to vibrate the middle and lower regions of at least one or more of the first to fourth door interior materials 130D1, 130D2, 130D3, and 130D4 may be any one or more of a woofer, a mid-woofer, and a subwoofer. For example, the fourth sound generator 31D configured to vibrate the middle and lower areas of each of the first to fourth door interior materials 130D1 , 130D2 , 130D3 , and 130D4 may be one or more of a woofer, a mid-woofer, and a subwoofer.

[0473] The sounds outputted from the fourth sound generator 31D provided at the first door interior material 130D1 and the fourth sound generator 31D provided at the second door interior material 130D2, respectively, may be combined and outputted. For example, the sounds outputted from at least one or more of the fourth sound generator 31D provided at the first door interior material 130D1 and the fourth sound generator 31D provided at the second door interior material 130D2, respectively, may be combined and outputted. Furthermore, the sounds outputted from the fourth sound generator 31D provided at the third door interior material 130D3 and the fourth sound generator 31D provided at the fourth door interior material 130D4, respectively, may be combined and outputted.

[0474] According to an embodiment of the present disclosure, the upper area of each of the first to fourth door interior materials 130D1, 130D2, 130D3, and 130D4 may include a first upper area adjacent to the instrument panel 130A, a second upper area adjacent to the first to third rear seats BS1, BS2, and BS3, and a third upper area between the first and second upper areas. For example, the fourth sound generator 31D may be provided in one or more of the first to third upper areas of at least one or more of the first to fourth door interior materials 130D1, 130D2, 130D3, and 130D4. For example, the fourth sound generator 31D configured to vibrate the first upper region of one or more of the first door interior material 130D1 and the second door interior material 130D2 may be configured to output a sound of approximately 2 kHz to approximately 20 kHz, and the fourth sound generator 31D configured to vibrate one or more of the second upper region and the third upper region of each of the first door interior material 130D1 and the second door interior material 130D2 may be configured to output a sound of approximately 2 kHz to approximately 20 kHz, or may be configured to output a sound of approximately 150 Hz to approximately 20 kHz. For example, the fourth sound generator 31D configured to vibrate one or more of the second upper region and the third upper region of at least one or more of the first door interior material 130D1 and the second door interior material 130D2 may be configured to output a sound of approximately 2 kHz to approximately 20 kHz, or may be configured to output a sound of approximately 150 Hz to approximately 20 kHz.

[0475] Reference Figure 53 、 Figure 54 and Figure 56 The fifth sound generator 31E according to an embodiment of the present disclosure may be provided between the seat frame and the seat interior material 130E, and may be configured to indirectly or directly vibrate the seat interior material 130E to output sound based on the vibration of the seat interior material 130E. According to an embodiment of the present disclosure, the fifth sound generator 31E may include the one described above with reference to Figures 3 to 52 The fifth sound generator 31E may be a sheet speaker or a headrest speaker, for example.

[0476] According to an embodiment of the present disclosure, the seat frames may include a first seat frame (or driver's seat frame), a second seat frame (or passenger seat frame), a third seat frame (or first rear-row seat frame), a fourth seat frame (or second rear-row seat frame), and a fifth seat frame (or third rear-row seat frame). According to an embodiment of the present disclosure, the seat interior material 130E may include a first seat interior material surrounding the first seat frame, a second seat interior material surrounding the second seat frame, a third seat interior material surrounding the third seat frame, a fourth seat interior material surrounding the fourth seat frame, and a fifth seat interior material surrounding the fifth seat frame.

[0477] According to an embodiment of the present disclosure, at least one or more of the first to fifth seat frames may include a seat bottom frame, a seat back frame, and a headrest frame. Seat interior material 130E may include seat bottom interior material 130E1 surrounding the seat bottom frame, seat back interior material 130E2 surrounding the seat back frame, and headrest interior material 130E3 surrounding the headrest frame. At least one or more of seat bottom interior material 130E1, seat back interior material 130E2, and headrest interior material 130E3 may include an inner interior material and an outer interior material. For example, the inner interior material may include a foam layer. For example, the outer interior material may include a surface member comprising fiber or leather. For example, the outer interior material may also include a base member comprising a plastic material that supports the surface member.

[0478] According to an embodiment of the present disclosure, the fifth sound generator 31E can be arranged in at least one or more of the area between the seat back frame and the seat back inner material 130E2 and the area between the headrest frame and the headrest inner material 130E3, and thus can vibrate at least one or more of the outer inner material of the seat back inner material 130E2 and the outer inner material of the headrest inner material 130E3.

[0479] According to an embodiment of the present disclosure, the fifth sound generator 31E provided in at least one or more of the driver's seat DS and the passenger seat PS may be provided in at least one or more of an area between the seat back frame and the seat back inner material 130E2 and an area between the headrest frame and the headrest inner material 130E3.

[0480] According to an embodiment of the present disclosure, the fifth sound generator 31E provided in at least one or more of the first to third rear seats BS1, BS2, and BS3 may be provided between the headrest frame and the headrest inner material 130E3. For example, at least one or more of the first to third rear seats BS1, BS2, and BS3 may include at least one or more fifth sound generators 31E provided between the headrest frame and the headrest inner material 130E3.

[0481] According to an embodiment of the present disclosure, the fifth sound generator 31E that vibrates the seat back interior material 130E2 of at least one or more of the driver's seat DS and the passenger seat PS may be configured to output a sound ranging from approximately 150 Hz to approximately 20 kHz. According to an embodiment of the present disclosure, the fifth sound generator 31E that vibrates the headrest interior material 130E3 of at least one or more of the driver's seat DS, the passenger seat PS, and the first to third rear-row seats BS1, BS2, and BS3 may be configured to output a sound ranging from approximately 2 kHz to approximately 20 kHz, or may be configured to output a sound ranging from approximately 150 Hz to approximately 20 kHz.

[0482] Reference Figure 53 and Figure 54 The sixth sound generator 31F according to an embodiment of the present disclosure may be provided between the handle frame and the handle inner material 130F, and may be configured to indirectly or directly vibrate the handle inner material 130F to output sound based on the vibration of the handle inner material 130F. According to an embodiment of the present disclosure, the sixth sound generator 31F may include the one described above with reference to Figures 3 to 52 The sixth sound generator 31F may be a handle speaker or a steering speaker, for example.

[0483] According to an embodiment of the present disclosure, the sixth sound generator 31F may be configured to indirectly or directly vibrate the handle inner material 130F to provide the driver with a sound based on the vibration of the handle inner material 130F. The sound output by the sixth sound generator 31F may be the same as or different from the sound output from at least one or more of the first to fifth sound generators 31A to 31E. As an embodiment of the present disclosure, the sixth sound generator 31F may output a sound that is provided only to the driver. As another embodiment of the present disclosure, the sound output by the sixth sound generator 31F and the sound output by at least one or more of the first to fifth sound generators 31A to 31E may be combined and output.

[0484] Reference Figure 53 and Figure 54 , the seventh sound generator 31G may be provided between the floor panel and the floor interior material 130G, and may be configured to indirectly or directly vibrate the floor interior material 130G to output sound based on the vibration of the floor interior material 130G.

[0485] The seventh sound generator 31G may be provided between the floor panel and the floor interior material 130G provided between the driver seat DS and the passenger seat PS and the third rear seat BS3. For example, the seventh sound generator 31G may include the above-mentioned Figures 3 to 52 The seventh sound generator 31G may be configured to output a sound of about 150 Hz to about 20 kHz. For example, the seventh sound generator 31G may be a floor speaker, a bottom speaker, or a bottom speaker.

[0486] Reference Figures 53 to 55 The vehicle apparatus or vehicle 10 according to an embodiment of the present disclosure may further include a second sound generating device 30-2 provided on the vehicle interior material 130 exposed to the interior space. For example, the vehicle apparatus or vehicle 10 according to an embodiment of the present disclosure may include only the second sound generating device 30-2 instead of the first sound generating device 30-1, or may include both the first sound generating device 30-1 and the second sound generating device 30-2.

[0487] According to an embodiment of the present disclosure, the vehicle interior material 130 may further include a rearview mirror 130H, an overhead console 130I, a trunk interior material 130J, a glove box 130K, a sun visor 130L, and the like.

[0488] The second sound generating device 30-2 may include at least one or more sound generators 31H to 31L provided in at least one of the rearview mirror 130H, the overhead console 130I, the trunk interior material 130J, the glove box 130K, and the sun visor 130L. For example, the second sound generating device 30-2 may include at least one or more of the eighth to twelfth sound generators 31H to 31L, and thus may output sounds of one or more channels.

[0489] Reference Figures 53 to 55 , the eighth sound generator 31H may be provided at the rearview mirror 130H and may be configured to indirectly or directly vibrate the rearview mirror 130H to output sound based on the vibration of the rearview mirror 130H.

[0490] The eighth sound generator 31H may be provided between the mirror housing connected to the vehicle body structure and the rearview mirror 130H supported by the mirror housing. Figures 3 to 52 The eighth sound generator 31H may be configured to output a sound of about 150 Hz to about 20 kHz. For example, the eighth sound generator 31H may be a mirror speaker.

[0491] Reference Figure 55 and Figure 56 The ninth sound generator 31I may be provided at the overhead console 130I and may be configured to indirectly or directly vibrate the console cover of the overhead console 130I to output sound based on vibration of an internal material of the overhead console 130I.

[0492] According to an embodiment of the present disclosure, the overhead console 130I may include a console box embedded in a roof panel or a roof frame, a lighting device provided at the console box, and a console cover covering the lighting device and the console box.

[0493] The ninth sound generator 31I may be provided between the console cover and the console box of the overhead console 130I, and may indirectly or directly vibrate the console cover. Figures 3 to 52 The ninth sound generator 31I may be configured to output a sound of about 150 Hz to about 20 kHz. For example, the ninth sound generator 31I may be a console speaker or a lighting speaker.

[0494] According to an embodiment of the present disclosure, the vehicle device or vehicle 10 may further include a central lighting box provided at the center area of the roof interior material 130C, a central lighting device provided at the central lighting box, and a central lighting cover covering the central lighting device. In this case, the ninth sound generator 31I may be additionally provided between the central lighting cover of the central lighting device and the central lighting box, and may additionally vibrate the central lighting cover.

[0495] Reference Figure 53 and Figure 54 , the tenth sound generator 31J may be provided at the trunk interior material 130J and may be configured to indirectly or directly vibrate the trunk interior material 130J to output sound based on the vibration of the trunk interior material 130J.

[0496] The trunk interior material 130J may be provided behind the first to third rear seats BS1, BS2, and BS3. For example, a portion of the trunk interior material 130J may be provided below the rear window 230C.

[0497] The tenth sound generator 31J may be provided at the rear surface of the trunk interior material 130J and may indirectly or directly vibrate the trunk interior material 130J. Figures 3 to 52 The sound device 30 is described above, and therefore repeated description thereof is omitted. For example, the tenth sound generator 31J may be a rear speaker.

[0498] According to an embodiment of the present disclosure, the trunk interior material 130J may include a first region corresponding to the rear of the first rear seat BS1, a second region corresponding to the rear of the second rear seat BS2, and a third region corresponding to the rear of the third passenger seat BS3. According to an embodiment of the present disclosure, a tenth sound generator 31J may be disposed in at least one or more of the first through third regions of the trunk interior material 130J to cause at least one or more of the first through third regions of the trunk interior material 130J to vibrate. For example, the tenth sound generator 31J may be configured to output sound at a frequency of approximately 150 Hz to approximately 20 kHz. For example, the tenth sound generators 31J configured to vibrate at least one or more of the first through third regions of the trunk interior material 130J may have the same sound output characteristics or different sound output characteristics.

[0499] Reference Figure 53 and Figure 54 , the eleventh sound generator 31K may be provided at the glove box 130K, and may be configured to indirectly or directly vibrate the glove box 130K to output a sound based on the vibration of the glove box 130K.

[0500] A glove box 130K may be provided at an instrument panel 130A corresponding to a front portion of the passenger seat PS.

[0501] The eleventh sound generator 31K may be provided at the inner surface of the glove box 130K and may indirectly or directly vibrate the glove box 130K. According to an embodiment of the present disclosure, the eleventh sound generator 31K may include the Figures 3 to 52 The eleventh sound generator 31K may be configured to output a sound having a frequency range of approximately 150 Hz to approximately 20 kHz, or may be one or more of a woofer, a mid-woofer, and a subwoofer. For example, the eleventh sound generator 31K may be a glove box speaker.

[0502] Reference Figure 55 , the twelfth sound generator 31L may be provided at the sun visor 130L, and may be configured to indirectly or directly vibrate the sun visor 130L to output sound based on the vibration of the sun visor 130L.

[0503] The sun visor 130L may include a first sun visor 130L1 corresponding to the driver seat DS and a second sun visor 130L2 corresponding to the passenger seat PS.

[0504] The twelfth sound generator 31L may be provided in at least one or more of the first sun visor 130L1 and the second sun visor 130L2, and may indirectly or directly vibrate at least one or more of the first sun visor 130L1 and the second sun visor 130L2. Figures 3 to 52 The sound device 30 is described above, and therefore its repeated description is omitted. For example, the twelfth sound generator 31L can be configured to output a sound of about 150 Hz to about 20 kHz. For example, the twelfth sound generator 31L can be a sun visor speaker.

[0505] According to an embodiment of the present disclosure, at least one or more of the first sun visor 130L1 and the second sun visor 130L2 may further include a sun visor mirror. In this case, the twelfth sound generator 31L may be configured to indirectly or directly vibrate the sun visor mirror of at least one or more of the first sun visor 130L1 and the second sun visor 130L2. The twelfth sound generator 31L that vibrates the sun visor mirror may include the above-mentioned Figures 3 to 52 The sound device 30 is described, and therefore repeated description thereof is omitted.

[0506] Reference Figures 53 to 55 The vehicle device or vehicle 10 according to an embodiment of the present disclosure may further include a third sound generating device 30-3 provided at the vehicle window 230. For example, the vehicle device or vehicle 10 may include the third sound generating device 30-3 instead of at least one or more of the first sound generating device 30-1 and the second sound generating device 30-2, or may include all of the first to third sound generating devices 30-1, 30-2, and 30-3.

[0507] The third sound generating device 30-3 may include at least one or more sound generators 31N and 31O provided at the vehicle window 230. For example, the third sound generating device 30-3 may include at least one or more of the thirteenth sound generator 31N and the fourteenth sound generator 31O, and thus may output sounds of one or more channels. For example, the third sound generating device 30-3 may be a transparent sound generating device.

[0508] The vehicle window 230 of the vehicle device or vehicle 10 may include at least one or more of a front window and a side glass window. The vehicle window 230 may also include at least one or more of a rear window and a roof window.

[0509] The vehicle window 230 according to an embodiment of the present disclosure may be configured to be completely transparent. The vehicle window 230 according to another embodiment of the present disclosure may include a transparent portion and a translucent portion surrounding the transparent portion. The vehicle window 230 according to another embodiment of the present disclosure may include a transparent portion and an opaque portion surrounding the transparent portion.

[0510] Refer to above Figures 3 to 52 The described sound device 30 can be configured to be transparent or translucent. For example, when the vehicle window 230 is completely transparent, the sound device 30 can be configured to be transparent and can be located in the middle or peripheral area of the vehicle window 230. When the vehicle window 230 includes a translucent portion or an opaque portion, the sound device 30 can be configured to be translucent or opaque and can be located in the translucent portion or the opaque portion of the vehicle window 230. For example, the sound device 30 can be a transparent sound device.

[0511] At least one or more of the thirteenth sound generator 31N and the fourteenth sound generator 31O according to an embodiment of the present disclosure may include a transparent or translucent sound device 30. For example, when at least one or more of the thirteenth sound generator 31N and the fourteenth sound generator 31O include the sound device 30, at least one or more of the thirteenth sound generator 31N and the fourteenth sound generator 31O may be configured to indirectly or directly vibrate the vehicle window 230 to output sound based on the vibration of the vehicle window 230.

[0512] According to an embodiment of the present disclosure, the vehicle windows 230 may include a front window, side windows 230B, and a rear window. According to an embodiment of the present disclosure, the vehicle windows 230 may also include a roof window 230D. For example, when the vehicle device or vehicle 10 includes the roof window 230D, the roof window 230D may replace a portion of the area of the roof frame and the roof interior material 130C. For example, when the vehicle device or vehicle 10 includes the roof window 230D, the third sound generator 31C may be configured to vibrate the edge portion of the roof interior material 130C surrounding the roof window 230D.

[0513] Reference Figures 54 to 56 The thirteenth sound generator 31N according to an embodiment of the present disclosure may be provided at the side window 230B and may be configured to output sound by vibrating itself, or may be configured to indirectly or directly vibrate the side window 230B to output sound based on the vibration of the side window 230B.

[0514] According to an embodiment of the present disclosure, the side window 230B may include a first glass window (or right front window) 230B2, a second side window (or left rear window) 230B3, a third side window (or right rear window) 230B4 and a fourth side window (or left front window).

[0515] According to an embodiment of the present disclosure, the thirteenth sound generator 31N may be provided in at least one or more of the first to third side windows 230B2, 230B3, and 230B4. For example, at least one or more of the first to third side windows 230B2, 230B3, and 230B4 may include at least one or more thirteenth sound generators 31N.

[0516] The thirteenth sound generator 31N can be provided in at least one or more of the first to third side windows 230B2, 230B3, and 230B4 and can output sound by vibrating itself, or can be configured to indirectly or directly vibrate the corresponding side window 230B2, 230B3, and 230B4 to output sound. For example, the thirteenth sound generator 31N can be configured to output sound in the 150 Hz to 20 kHz range. For example, the thirteenth sound generator 31N provided in at least one or more of the first to third side windows 230B2, 230B3, and 230B4 can have the same sound output characteristics or different sound output characteristics. For example, the thirteenth sound generator 31N provided in at least one or more of the first to third side windows 230B2, 230B3, and 230B4 can be configured to output sound in the 150 Hz to 20 kHz range. For example, the thirteenth sound generator 31N can be a side window speaker.

[0517] Reference Figure 53, the fourteenth sound generator 31O according to an embodiment of the present disclosure may be provided at the rear window 230C and may output sound by vibrating itself, or may be configured to indirectly or directly vibrate the rear window 230C to output sound based on the vibration of the rear window 230C.

[0518] According to an embodiment of the present disclosure, the rear window 230C may include a first area corresponding to the rear of the first rear seat BS1, a second area corresponding to the rear of the second rear seat BS2, and a third area corresponding to the rear of the third rear seat BS3. According to an embodiment of the present disclosure, a fourteenth sound generator 31O may be disposed in at least one or more of the first through third areas of the rear window 230C and may vibrate at least one or more of the first through third areas of the rear window 230C to output sound. For example, the fourteenth sound generators 31O disposed in at least one or more of the first through third areas of the rear window 230C may have the same sound output characteristics or different sound output characteristics. For example, the fourteenth sound generators 31O disposed in at least one or more of the first through third areas of the rear window 230C may be configured to output sound in the frequency range of approximately 150 Hz to approximately 20 kHz, or may be one or more of a woofer, a mid-woofer, and a subwoofer. For example, the fourteenth sound generator 31O may be a rear window speaker.

[0519] Reference Figure 53 and Figure 54 The vehicle apparatus or the vehicle 10 according to the embodiment of the present disclosure may further include a woofer WS provided in at least one or more of the instrument panel 130A, the door frame, and the trunk interior material 130J.

[0520] The woofer WS according to an embodiment of the present disclosure may include one or more of a woofer, a mid-woofer, and a subwoofer. For example, the woofer WS may output sounds ranging from approximately 60 Hz to approximately 150 Hz. Therefore, the woofer WS may output sounds ranging from approximately 60 Hz to approximately 150 Hz, thereby enhancing the low-pitched vocal characteristics of the sounds output to the interior space.

[0521] According to an embodiment of the present disclosure, a woofer WS may be provided in at least one or more of the first and second regions of the instrument panel 130A. According to an embodiment of the present disclosure, the woofer WS may be provided in each of the first to fourth door frames of the vehicle door frame and may be exposed to the lower region of each of the first to fourth door interior materials 130D1 to 130D4 of the vehicle door interior material 130D. For example, the woofer WS may be provided in at least one or more of the first to fourth door frames of the vehicle door frame and may be exposed to the lower region of at least one or more of the first to fourth door interior materials 130D1 to 130D4 of the vehicle door interior material 130D. For example, the fourth sound generator 31D provided in the lower region of at least one or more of the first to fourth door interior materials 130D1 to 130D4 may be replaced by the woofer WS.

[0522] Reference Figure 54 The vehicle device 10 according to an embodiment of the present disclosure may further include a decorative member 130P...

Claims

1. A sound device comprising: a housing including an interior space; a sound generating module in the interior space of the housing; as well as A coupling member is partially disposed between the housing and the sound generating module.

2. The sound device according to claim 1, further comprising: An air gap is formed between an edge portion of the sound generating module and the housing.

3. The sound device according to claim 1, in, The sound generation module includes: a vibrating member; and a vibration device connected to the vibration member and configured to vibrate the vibration member, and Wherein, the coupling member is partially disposed between the vibration member and the housing.

4. The sound device according to claim 3, further comprising: An air gap is formed between the vibrating member and the housing.

5. The sound device according to claim 4, wherein The air gap is in at least a portion of a region between an edge portion of the vibration member and an edge portion of the housing adjacent to a long side.

6. The sound device according to claim 3, wherein The coupling member is provided between the housing and an edge portion of the vibration member adjacent to a short side, and is not provided between the housing and an edge portion of the vibration member adjacent to a long side.

7. The sound device according to claim 3, in, The housing comprises: a plate spaced apart from the sound generating module; and a side wall portion between the plate and the sound generating module, and Wherein, the coupling member is between the vibration member and the side wall portion of the housing.

8. The sound device according to claim 7, wherein The side wall portion of the housing is provided along an edge portion of the board and provides the internal space between the board and the sound generating module.

9. The sound device according to claim 7, in, The side wall portion of the housing includes: a first side wall connected to a first edge portion of the panel adjacent to a first short side; a second side wall connected to a second edge portion of the panel adjacent to a second short side; a third side wall connected to a third edge portion of the plate adjacent the first long side; and a fourth side wall connected to a fourth edge portion of the plate adjacent to the second long side, and The coupling member is between the vibration member and each of the first side wall and the second side wall of the housing.

10. The sound device according to claim 9, wherein The coupling member comprises: a 1-1 coupling member between the vibration member and the first side wall of the housing; and A 1-2 coupling member is provided between the vibration member and the second side wall of the housing.

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