Camera module

Abstract

The invention relates to a camera module. The camera module includes: a housing; a reflection module including a reflection member and supported on the housing; and a lens module including a plurality of lenses arranged in an optical axis direction and supported on the housing in a direction different from a supporting direction of the reflection module, in which the reflection module is configured to be rotatable with respect to the housing using the optical axis and a first axis perpendicular to the optical axis as a rotation axis, and the reflection module is supported on the housing in the optical axis direction.

Description

[0001] CROSS-REFERENCE TO RELATED APPLICATIONS

[0002] This application claims the benefit of Korean Patent Application No. 10-2023-0151212 filed on November 3, 2023, and Korean Patent Application No. 10-2024-0036643 filed on March 15, 2024, in the Korean Intellectual Property Office, the disclosures of which are incorporated herein in their entirety by reference for all purposes. Technical Field

[0003] The present disclosure relates to a camera module. Background Art

[0004] A camera (hereinafter referred to as a camera module) may be suitably used in portable electronic devices such as smart phones, tablet PCs, and laptop computers.

[0005] A camera module included in a portable electronic device may be manufactured to have a degree of performance comparable to that of a conventional camera and have functions such as auto focus and optical image stabilization.

[0006] On the other hand, since a space in which a camera module may be installed in a portable electronic device may be limited, the camera module may be provided with a reflective member to ensure a sufficient total track length (TTL) within the limited space.

[0007] In this case, the optical image stabilization function of the camera module may be implemented by tilting the reflective module including the reflective member.

[0008] The above information is presented as background information only to assist in understanding the present disclosure. No determination has been made, and no assertion is made, as to whether any of the above may be applicable as prior art with respect to the present disclosure. Summary of the invention

[0009] This Summary is provided to introduce a selection of concepts in a simplified form that are further described in the Detailed Description below. This Summary is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.

[0010] In a general aspect, a camera module includes: a housing; a reflection module including a reflection member and supported on the housing; and a lens module including a plurality of lenses arranged in an optical axis direction and supported on the housing in a direction different from the support direction of the reflection module, wherein the reflection module is configured to be rotatable relative to the housing using the optical axis and a first axis perpendicular to the optical axis as a rotation axis, and the reflection module is supported on the housing in the optical axis direction.

[0011] The camera module may further include a plurality of ball members disposed between the reflection module and the housing, wherein the plurality of ball members may include: a rotation axis ball through which the optical axis passes; and a plurality of guide balls disposed to be spaced apart from the rotation axis ball and configured to roll when the reflection module rotates.

[0012] The reflection module may also include: a rotation holder supported on the shell and configured to rotate using the optical axis as the rotation axis; and a reflection holder supported on the rotation holder and configured to rotate using the first axis as the rotation axis, wherein the direction in which the reflection holder is supported on the rotation holder may be parallel to the direction in which the rotation holder is supported on the shell.

[0013] The reflection module may further include a first shake correction drive unit configured to generate a driving force to rotate the reflection holder using the first axis as a rotation axis, wherein the first shake correction drive unit may include a first shake correction magnet and a first shake correction coil, the first shake correction magnet being arranged on the bottom surface of the reflection holder, and the first shake correction coil being arranged in the housing to face the first shake correction magnet.

[0014] The rotation holder may include an opening penetrating the rotation holder in a direction in which the first shake correction magnet and the first shake correction coil face each other, wherein a bottom surface of the reflection holder on which the first shake correction magnet is disposed may be disposed in the opening.

[0015] The reflection module may further include a second shake correction drive unit configured to generate a driving force to rotate the rotating holder using the optical axis as the rotation axis, wherein the second shake correction drive unit may include a second shake correction magnet and a second shake correction coil, the second shake correction magnet being arranged on a side surface of the rotating holder, and the second shake correction coil being arranged in the housing to face the second shake correction magnet.

[0016] The housing may include a pulling yoke disposed to face the second shake correction magnet in the optical axis direction to form a magnetic attraction force with the second shake correction magnet in the optical axis direction.

[0017] The second shake correction magnet may include a portion protruding further toward the second shake correction coil than one surface of the rotation holder on which the second shake correction magnet is provided, wherein the pulling yoke may face the protruding portion of the second shake correction magnet in the optical axis direction.

[0018] The second shake correction magnet may be magnetized in a second axis direction perpendicular to both the optical axis and the first axis.

[0019] The camera module may further include a plurality of ball members disposed to be spaced apart in the first axis direction between the reflection holder and the rotation holder to form the first axis.

[0020] The camera module may further include a pair of magnetic materials, which are respectively disposed on the reflection holder and the rotation holder to face each other in the optical axis direction, thereby forming a magnetic attraction force in the optical axis direction.

[0021] The camera module may further include a lens barrel in which at least one lens is installed and through which light is incident, wherein the lens barrel may be coupled to the reflection module and rotate together with the reflection module using the optical axis and the first axis as a rotation axis.

[0022] In another general aspect, a camera module includes: a housing; a reflection module including a reflection member and supported on one surface of the housing; a first lens module including at least one lens through which light is incident, and the first lens module is disposed on the reflection module so that light passing through the at least one lens is incident on the reflection member; and a second lens module including a plurality of lenses through which light reflected by the reflection member is incident and emitted, wherein the reflection module is configured to be rotatable relative to the housing using an optical axis of the second lens module and a first axis perpendicular to the optical axis of the second lens module as a rotation axis, and wherein the reflection module is supported on the housing in the optical axis direction of the second lens module.

[0023] The reflection module may further include: a rotation holder supported on the housing and configured to rotate using the optical axis of the second lens module as a rotation axis; and a reflection holder supported on the rotation holder and configured to rotate using the first axis as a rotation axis.

[0024] The camera module may also include a plurality of ball components arranged between the rotation holder and the surface of the housing facing the optical axis direction of the second lens module, wherein the plurality of ball components may include: a rotation axis ball through which the optical axis passes; and a plurality of guide balls arranged to be spaced apart from the rotation axis ball and configured to roll when the reflection module rotates.

[0025] The camera module may further include a plurality of ball members disposed between the reflection holder and the rotation holder, wherein the reflection holder is supported on the rotation holder in the optical axis direction of the second lens module through the plurality of ball members.

[0026] The reflection module may further include: a first shake correction drive unit, including a first shake correction magnet and a first shake correction coil, the first shake correction magnet and the first shake correction coil are arranged to face each other in a second axis direction perpendicular to both the optical axis of the second lens module and the first axis, and the first shake correction drive unit is configured to generate a driving force to rotate the reflection member using the first axis as the rotation axis; and a second shake correction drive unit, including a second shake correction magnet and a second shake correction coil, the second shake correction magnet and the second shake correction coil are arranged to face each other in the direction of the first axis, and the second shake correction drive unit is configured to generate a driving force to rotate the reflection member using the optical axis of the second lens module as the rotation axis.

[0027] In another general aspect, a camera module includes: a housing; a reflection module including a reflection member, which is disposed on a reflection holder, which is rotatably disposed on a rotating holder, and the reflection module is rotatably disposed in the housing, the reflection module being supported on a surface of the housing; a lens module, which is disposed in the housing and includes a plurality of lenses disposed in an optical axis direction, and light reflected by the reflection member is incident along the optical axis direction; a first jitter correction magnet and a first jitter correction coil, the first jitter correction magnet being disposed on a bottom surface of the reflection holder, the first jitter correction coil being disposed in the housing to face the first jitter correction magnet, the first jitter correction magnet and the second jitter correction coil being configured to generate a driving force to rotate the reflection holder around a first axis perpendicular to the optical axis; and a second jitter correction magnet and a second jitter correction coil, the second jitter correction magnet being disposed on a side surface of the rotating holder, the second jitter correction coil being disposed in the housing to face the second jitter correction magnet, the second jitter correction magnet and the second jitter correction coil being configured to generate a driving force to rotate the rotating holder around the optical axis.

[0028] The camera module may further include a lens barrel in which at least one lens is installed and through which light is incident, wherein the lens barrel may be coupled to the reflection module and rotate together with the reflection module using the optical axis and the first axis as a rotation axis.

[0029] Other features and aspects will be apparent from the following detailed description, drawings, and claims. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 is a perspective view of a camera module according to an embodiment of the present disclosure.

[0031] Figure 2 It shows that Figure 1 Figure 1 shows the state in which the outer shell has been removed.

[0032] Figure 3is a diagram showing an arrangement relationship of camera modules according to an embodiment of the present disclosure.

[0033] Figure 4 is an exploded perspective view of a camera module according to an embodiment of the present disclosure.

[0034] Figure 5 is a perspective view of a housing according to an embodiment of the present disclosure.

[0035] Figure 6 is a diagram illustrating a state in which a substrate is coupled to a housing according to an embodiment of the present disclosure.

[0036] Figure 7 is a perspective view of a reflection module according to an embodiment of the present disclosure.

[0037] Figure 8 is an exploded perspective view of a reflection module according to an embodiment of the present disclosure.

[0038] Fig. 9 is an exploded perspective view of a reflection holder and a rotation holder according to an embodiment of the present disclosure.

[0039] Fig.10 is a bottom perspective view of a reflection module according to an embodiment of the present disclosure.

[0040] Fig.11A and Fig. 11B is a diagram illustrating driving of a reflection holder according to an embodiment of the present disclosure.

[0041] Fig.12 is a diagram showing a support structure of a reflection holder according to an embodiment of the present disclosure.

[0042] Fig.13A and Fig. 13B is a diagram illustrating driving of a rotation holder according to an embodiment of the present disclosure.

[0043] Fig.14 is a diagram showing a support structure of a rotation holder according to an embodiment of the present disclosure.

[0044] Fig.15 is an exploded perspective view of a second lens module according to an embodiment of the present disclosure.

[0045] Fig.16 is a diagram illustrating a structure in which a second lens module is supported on a housing according to an embodiment of the present disclosure.

[0046] Throughout the drawings and detailed description, unless otherwise described, the same reference numerals refer to the same elements. For clarity, illustration, and convenience, the drawings may not be drawn to scale, and the relative sizes, proportions, and depictions of elements in the drawings may be exaggerated. DETAILED DESCRIPTION

[0047] Hereinafter, although examples of the present disclosure will be described in detail with reference to the accompanying drawings, it should be noted that the examples are not limited thereto.

[0048] The following specific embodiments are provided to help the reader gain a comprehensive understanding of the methods, devices, and / or systems described herein. However, various changes, modifications, and equivalents of the methods, devices, and / or systems described herein will be apparent after understanding the present disclosure. For example, the order of operations described herein is merely an example and is not limited to the order set forth herein, but may be changed as will be apparent after understanding the present disclosure, except for operations that must occur in a certain order. In addition, descriptions of features known in the art may be omitted for clarity and brevity.

[0049] The features described herein may be implemented in different forms and are not to be construed as being limited to the examples described herein. Rather, the examples described herein are provided only to illustrate some of the many possible ways to implement the methods, devices, and / or systems described herein that will be apparent after understanding the present disclosure.

[0050] Throughout the specification, when an element (such as a layer, a region, or a substrate) is described as being “on”, “connected to”, or “coupled to” another element, it may be directly “on”, directly “connected to”, or directly “coupled to” the other element, or one or more other elements may be present between them. Conversely, when an element is described as being “directly” “on”, “directly connected to”, or “directly coupled to” another element, there are no other elements present between them.

[0051] As used herein, the term "and / or" includes any one of the associated listed items and any combination of any two or more of the associated listed items; similarly, "at least one of..." includes any one of the associated listed items and any combination of any two or more of the associated listed items.

[0052] Although terms such as "first", "second", and "third" may be used herein to describe various members, components, regions, layers, or portions, these members, components, regions, layers, or portions are not limited by these terms. Instead, these terms are only used to distinguish one member, component, region, layer, or portion from another member, component, region, layer, or portion. Therefore, the first member, first component, first region, first layer, or first portion mentioned in the examples described herein may also be referred to as the second member, second component, second region, second layer, or second portion without departing from the teachings of the examples.

[0053] For ease of description, spatially relative terms such as "above", "upper", "below", "lower", etc. may be used herein to describe the relationship of one element to another element as shown in the drawings. In addition to the orientation depicted in the drawings, such spatially relative terms are intended to also include different orientations of the device in use or operation. For example, if the device in the drawings is turned over, an element described as being "above" or "upper" relative to another element will then be "below" or "lower" relative to the other element. Therefore, the term "above" includes both the orientation of the above and below, depending on the spatial orientation of the device. The device may also be oriented in other ways (e.g., rotated 90 degrees or in other orientations), and the spatially relative terms used herein will be interpreted accordingly.

[0054] The terms used herein are only used to describe various examples and are not used to limit the present disclosure. The words "a", "an" and "the" are intended to include plural forms as well, unless the context clearly indicates otherwise. The terms "include", "comprises" and "have" specify the presence of stated features, quantities, operations, components, elements and / or combinations thereof, but do not exclude the presence or addition of one or more other features, quantities, operations, components, elements and / or combinations thereof.

[0055] Due to manufacturing techniques and / or tolerances, the shapes shown in the drawings may vary. Therefore, the examples described herein are not limited to the specific shapes shown in the drawings but include shape variations that occur during manufacturing.

[0056] Herein, it is noted that the use of the term “may” with respect to an example, such as with respect to what an example may include or implement, means that there is at least one example that includes or implements this feature, and all examples are not limited thereto.

[0057] As will be apparent after understanding the present disclosure, the features of the examples described herein may be combined in various ways. In addition, although the examples described herein have multiple configurations, other configurations are also possible, as will be apparent after understanding the present disclosure.

[0058] An aspect of the present disclosure is to provide a camera module capable of minimizing image resolution degradation occurring during hand shake correction.

[0059] Figure 1 is a perspective view of a camera module according to an embodiment of the present disclosure, Figure 2 It shows that Figure 1 The state in which the outer shell has been removed, Figure 3 is a diagram showing an arrangement relationship of camera modules according to an embodiment of the present disclosure, and Figure 4 is an exploded perspective view of a camera module according to an embodiment of the present disclosure.

[0060] The camera module 100 according to an embodiment of the present disclosure may be mounted on a portable electronic device. As an example, the camera module 100 may be mounted on a smart phone. However, the type of portable electronic device on which the camera module 100 may be mounted is not limited to a smart phone.

[0061] Reference Figure 1 , light reflected from an external object may be incident in a direction parallel to the height direction (Y-axis direction) of the camera module 100, and the camera module 100 may have a length in a direction (Z-axis direction) perpendicular to the direction in which the light is incident (Y-axis direction).

[0062] In an embodiment, the camera module 100 may be mounted on a smartphone so that the height direction (Y-axis direction) of the camera module 100 is parallel to the thickness direction of the smartphone. Therefore, at least in the longitudinal direction (Z-axis direction) of the camera module 100, the camera module 100 may be relatively free from the space constraints of the portable electronic device.

[0063] The camera module 100 according to an embodiment of the present disclosure may be configured to change the path of incident light once. For example, the camera module 100 may change the path of incident light incident in a direction parallel to the height direction (Y-axis direction) of the camera module 100 to a direction parallel to the longitudinal direction (Z-axis direction) of the camera module 100. However, according to another embodiment, the path of the incident light may be changed twice or more.

[0064] The camera module 100 according to an embodiment of the present disclosure may include a plurality of lens modules 2000 and 4000 , a reflection module 3000 , an image sensor module 5000 , a housing 1100 in which the above components are disposed, and a case 1200 coupled to the housing 1100 .

[0065] Reference Figure 2The housing 1100 may have a length in one direction (Z-axis direction), and a plurality of lens modules 2000 and 4000 (hereinafter referred to as a first lens module and a second lens module), a reflection module 3000 and an image sensor module 5000 may be arranged roughly in the longitudinal direction (Z-axis direction) of the housing 1100.

[0066] In an embodiment, the first lens module 2000 may be disposed in a direction parallel to a height direction (Y-axis direction) of the reflection module 3000 and the housing 1100 , and the reflection module 3000 , the second lens module 4000 , and the image sensor module 5000 may be disposed in a longitudinal direction (Z-axis direction) of the housing 1100 .

[0067] In addition, the first lens module 2000 , the reflection module 3000 , and the second lens module 4000 may be accommodated in the inner space of the housing 1100 , and the image sensor module 5000 may be coupled to one side surface of the housing 1100 from the outside of the housing 1100 .

[0068] On the other hand, Figure 2 Unlike shown in FIG. 1 , the first lens module 2000 , the reflection module 3000 , the second lens module 4000 , and the image sensor module 5000 may each be disposed in a separately disposed housing.

[0069] The housing 1200 may be coupled to the case 1100 to cover the inner space of the case 1100. The housing 1200 may protect components accommodated in the inner space of the case 1100 by covering the inner space of the case 1100.

[0070] In addition, the housing 1200 may be configured to shield electromagnetic waves. That is, the housing 1200 may prevent electromagnetic waves generated inside the camera module 100 from affecting the outside of the camera module 100, and simultaneously prevent electromagnetic waves generated outside the camera module 100 from affecting the inside of the camera module 100. To this end, the housing 1200 may be manufactured to include a metal material.

[0071] The housing 1200 may include an opening 1210 so that light reflected from an external object may be incident into the camera module 100 .

[0072] In an embodiment, the first lens module 2000 may be disposed in the opening 1210 (or the first lens module 2000 may be exposed to the outside of the camera module 100 through the opening 1210 ), and light reflected from an external object may be incident on the camera module 100 through the first lens module 2000 .

[0073] Reference Figure 3, light reflected from an external object may sequentially pass through the first lens module 2000 , the reflection module 3000 , and the second lens module 4000 , and then may be incident on the image sensor module 5000 .

[0074] The path of light incident on the camera module 100 through the first lens module 2000 may be changed in the reflection module 3000. The reflection module 3000 may include a reflection member 3100 configured to change the path of the incident light (see Figure 7 ).

[0075] Incident light emitted from the reflection module 3000 may pass through the second lens module 4000 and then be incident on the image sensor module 5000 .

[0076] The image sensor module 5000 receives light passing through the second lens module 4000 and may include an image sensor that converts incident light into an electrical signal and a sensor substrate on which the image sensor is mounted. The sensor substrate may be a printed circuit board.

[0077] Based on the path of the incident light, the filter 6000 may be disposed in front of the image sensor module 5000. For example, the filter 6000 may be an infrared cutoff filter configured to cut off light in an infrared wavelength range. Therefore, among the incident light that has passed through the second lens module 4000, the remaining light except the light in the infrared wavelength range may be incident on the image sensor through the filter 6000.

[0078] On the other hand, in another embodiment of the present disclosure, the camera module 100 may not include the first lens module 2000. In this case, the reflection module 3000 may be disposed in the opening 1210, and light reflected from an external object may be incident on the camera module 100 through the reflection module 3000.

[0079] The camera module 100 according to an embodiment of the present disclosure may have an auto focus (AF) function and an optical image stabilization (OIS) function. In addition, the camera module 100 may have an additional zoom function, but further description thereof will be omitted.

[0080] The auto focus function and the optical image stabilization function of the camera module 100 may be implemented by driving the second lens module 4000 and the reflection module 3000 , respectively.

[0081] Reference Figure 4 In order to implement the above functions of the camera module 100 , the second lens module 4000 and the reflection module 3000 may be movably supported on the housing 1100 .

[0082] The auto focus function of the camera module 100 may be implemented by moving the second lens module 4000 including a plurality of lenses arranged in the optical axis direction (Z axis direction) in the optical axis direction (Z axis direction).

[0083] In an embodiment, a plurality of ball members 4400 (hereinafter referred to as a third ball group) supporting movement of the second lens module 4000 in the optical axis direction (Z-axis direction) may be disposed between the second lens module 4000 and the housing 1100 .

[0084] In another embodiment, the camera module 100 may have a zoom function. To this end, the camera module 100 may include a plurality of second lens modules 4000. As an example, the second lens module 4000 may include a plurality of lens holders 4100 (see FIG. 4 ) on which at least one lens is mounted. Fig.15 ).

[0085] The zoom function of the camera module 100 may be implemented by moving at least one second lens module 4000 (or at least one lens holder 4100 ) among the plurality of second lens modules 4000 (or the plurality of lens holders 4100 ) in the optical axis direction (Z-axis direction).

[0086] The optical image stabilization function of the camera module 100 may be implemented by rotating the reflective module 3000 including the reflective member 3100 around two axes.

[0087] In an embodiment, the optical image stabilization function of the camera module 100 can be achieved by rotating the reflection module 3000 around the optical axis (Z axis) and the first axis (X axis) perpendicular to the optical axis, and to this end, a plurality of ball members 3420 (hereinafter referred to as the second ball group) can be arranged between the reflection module 3000 and the housing 1100 to support the rotation of the reflection module 3000.

[0088] Before describing the second lens module 4000 and the reflection module 3000 in detail, the structures of the housing 1100 and the main board 7000 coupled to the housing 1100 will first be described.

[0089] Figure 5 is a perspective view of a housing according to an embodiment of the present disclosure, and Figure 6 is a diagram illustrating a state in which a substrate is coupled to a housing according to an embodiment of the present disclosure.

[0090] Reference Figure 5 , the housing 1100 may include protruding walls 1110 formed to protrude toward the inner space from two side surfaces thereof facing each other, respectively.

[0091] The protruding wall 1110 may partition the inner space of the housing 1100. For example, the reflection module 3000 may be disposed on one side of the protruding wall 1110, and the second lens module 4000 may be disposed on the other side thereof.

[0092] The protruding wall 1110 may be provided with a stopper 1300 that prevents collision between the housing 1100 and the second lens module 4000 and adjusts the moving range of the second lens module 4000. The stopper 1300 may also be provided on one surface of the housing 1100 facing the protruding wall 1110 in the optical axis direction (Z-axis direction). A detailed description related to the stopper 1300 will be described later.

[0093] In addition, the housing 1100 may include a plurality of grooves 1151 , 1153 , and 1155 accommodating portions of the second ball group 3420 and the third ball group 4400 disposed between the housing 1100 and the reflection module 3000 and between the housing 1100 and the second lens module 4000 .

[0094] In an embodiment, the housing 1100 may include one receiving groove 1151 (hereinafter referred to as a fourth receiving groove) and a plurality of guide grooves 1153 (hereinafter referred to as second guide grooves) on one side surface of the housing 1100 perpendicular to the longitudinal direction (Z-axis direction). The second ball group 3420 may be disposed in the fourth receiving groove 1151 and the second guide groove 1153, and the reflection module 3000 may be supported on the housing 1100 in the optical axis direction (Z-axis direction) with the second ball group 3420 interposed therebetween.

[0095] In addition, the housing 1100 may include a plurality of guide grooves 1155 (hereinafter referred to as fourth guide grooves) on the bottom surface facing the inner space. The third ball group 4400 may be disposed in the fourth guide groove 1155, and the second lens module 4000 may be supported on the housing 1100 in a second axis direction (Y axis direction) perpendicular to both the optical axis and the first axis, with the third ball group 4400 interposed therebetween.

[0096] On the other hand, the case 1100 may include a plurality of through holes 1131 , 1133 , 1135 , and 1137 penetrating a side surface or a bottom surface of the case 1100 .

[0097] A portion of a driving unit (eg, a driving coil, a position sensor) for driving the reflection module 3000 or the second lens module 4000 and the image sensor module 5000 may be disposed in the plurality of through holes 1131 , 1133 , 1135 , and 1137 .

[0098] More specifically, refer to Figure 6, a main board 7000 on which a driving coil or the like is mounted may be disposed in the housing 1100. The main board 7000 may be disposed on the outer side of the housing 1100 to cover a portion of the bottom surface of the housing 1100 and three side surfaces of the housing 1100. In this case, the driving coil or the like mounted on the main board 7000 may be exposed to the inner space of the housing 1100 through the through holes 1131, 1133, and 1135 formed in the housing 1100.

[0099] In an embodiment, the main board 7000 may be formed such that all parts disposed on different surfaces of the housing 1100 are integrally formed, and in this case, at least a portion of the main board 7000 may be formed of a flexible material. However, in another embodiment, the main board 7000 may be divided into a plurality of parts.

[0100] Next, refer to Figures 7 to 14 , the reflection module 3000 according to an embodiment of the present disclosure will be described.

[0101] Figure 7 is a perspective view of a reflection module according to an embodiment of the present disclosure, Figure 8 is an exploded perspective view of a reflection module according to an embodiment of the present disclosure, Fig. 9 is an exploded perspective view of a reflection holder and a rotation holder according to an embodiment of the present disclosure, and Fig.10 is a bottom perspective view of a reflection module according to an embodiment of the present disclosure.

[0102] Reference Figure 7 , the reflection module 3000 may be disposed in the housing 1100 while being coupled to the first lens module 2000 .

[0103] The first lens module 2000 may include a first lens barrel 2100 in which at least one lens (one or more lenses) is installed, and the first lens barrel 2100 may be coupled to an upper side of the reflection module 3000. The at least one lens may be disposed in a first optical axis direction (Y-axis direction).

[0104] The reflection module 3000 may include a reflection member 3100, a reflection holder 3200 on which the reflection member 3100 is disposed, and a rotation holder 3300 on which the reflection holder 3200 is supported. The rotation holder 3300 may be supported on the housing 1100.

[0105] In an embodiment, the first lens barrel 2100 may be coupled to the reflection holder 3200. That is, at least one lens installed in the first lens barrel 2100 and the reflection member 3100 may all be disposed on the reflection holder 3200, and the at least one lens and the reflection member 3100 may be disposed to overlap each other in the second axis direction (or the first optical axis direction) (Y-axis direction).

[0106] The reflective member 3100 may refract or reflect incident light passing through the first lens module 2000 toward the second lens module 4000 .

[0107] In an embodiment, the reflective member 3100 may be provided as a prism including an incident surface, a reflective surface, and an exiting surface. However, in another embodiment, the reflective member 3100 may be provided as a reflector instead of a prism.

[0108] Reference Figure 8 and Fig. 9 The reflection holder 3200 on which the first lens module 2000 and the reflection member 3100 are disposed may be rotatably supported on the rotation holder 3300 .

[0109] In an embodiment, the reflection holder 3200 may be provided to be rotatable about a first axis (or a first rotation axis) (X axis) relative to the rotation holder 3300. To this end, a plurality of ball members 3410 (hereinafter referred to as a first ball group) may be provided between the reflection holder 3200 and the rotation holder 3300, and the plurality of ball members 3410 support the rotation of the reflection holder 3200 about the first rotation axis (X axis).

[0110] Since the first lens module 2000 and the reflective member 3100 are disposed on the reflective holder 3200 , when the reflective holder 3200 rotates, the first lens module 2000 and the reflective member 3100 may rotate around the first rotation axis (X axis) together with the reflective holder 3200 .

[0111] The rotation holder 3300 may be rotatably supported on the housing 1100 .

[0112] In an embodiment, the rotation holder 3300 may be arranged to be rotatable around the optical axis (or the second rotation axis) (Z axis) relative to the housing 1100. To this end, a second ball group 3420 may be provided between the rotation holder 3300 and the housing 1100, and the second ball group 3420 is used to support the rotation of the rotation holder 3300 around the second rotation axis (Z axis).

[0113] Since the reflection holder 3200 is supported on the rotating holder 3300, when the rotating holder 3300 rotates, the reflection holder 3200 can rotate around the second rotation axis (Z axis) together with the rotating holder 3300, and the first lens module 2000 and the reflection member 3100 set on the reflection holder 3200 can also rotate around the second rotation axis (Z axis) together with the reflection holder 3200.

[0114] The reflection module 3000 may include a driving unit (hereinafter referred to as a shake correction driving unit) which generates a driving force to rotate the reflection module 3000 around a first rotation axis (X axis) and a second rotation axis (Z axis).

[0115] The shake correction driving unit may include a magnet and a coil, and includes a first shake correction driving unit 3230 that forms a driving force to rotate the reflection holder 3200 around a first axis (X axis) and a second shake correction driving unit 3330 that forms a driving force to rotate the rotation holder 3300 around a second rotation axis (Z axis). That is, in an embodiment of the present disclosure, the driving force to rotate the reflection module 3000 around the first rotation axis (X axis) and / or the second rotation axis (Z axis) may be an electromagnetic force generated between the magnet and the coil.

[0116] The first shake correction driving unit 3230 may include a first shake correction magnet 3231 and a first shake correction coil 3233 .

[0117] Further references Fig.10 , the first jitter correction magnet 3231 can be set on the bottom surface of the reflection holder 3200, and the first jitter correction coil 3233 can be set on the bottom surface of the housing 1100 facing the bottom surface of the reflection holder 3200.

[0118] The rear yoke 3232 may be disposed between the first shake correction magnet 3231 and the reflection holder 3200. The rear yoke 3232 is a part of the reflection holder 3200 and may be exposed through the bottom surface of the reflection holder 3200, and the first shake correction magnet 3231 may be disposed on the rear yoke 3232. The rear yoke 3232 may prevent leakage of a magnetic field by focusing a magnetic flux of the first shake correction magnet 3231.

[0119] The first shake correction coil 3233 may be disposed on the bottom surface of the housing 1100 while being mounted on the main board 7000 , and may be exposed to the inner space of the housing 1100 through a through hole 1133 formed on the bottom surface of the housing 1100 .

[0120] The rotating holder 3300 may include an opening 3310 opened in the second axis direction (Y axis direction), and the bottom surface of the reflection holder 3200 may be disposed in the opening 3310 while the reflection holder 3200 is supported on the rotating holder 3300 .

[0121] Therefore, the bottom surface of the reflection holder 3200 can directly face the bottom surface of the shell 1100, and therefore, the first jitter correction magnet 3231 set on the bottom surface of the reflection holder 3200 and the first jitter correction coil 3233 set on the bottom surface of the shell 1100 can face each other in the second axis direction (Y-axis direction).

[0122] In an embodiment, the first shake correction magnet 3231 may include one magnet, and the first shake correction coil 3233 may include two coils. That is, one first shake correction magnet 3231 may face two first shake correction coils 3233 in the second axis direction (Y axis direction).

[0123] The first shake correction magnet 3231 may be configured to have different polarities magnetized sequentially in the rotation direction. The first shake correction magnet 3231 may be configured so that a surface of the first shake correction magnet 3231 facing the first shake correction coil 3233 sequentially has an N pole (or S pole), a neutral region, and an S pole (or N pole) in the rotation direction of the reflection holder 3200 (for example, in the optical axis direction (Z-axis direction)).

[0124] When power is supplied to the first jitter correction coil 3233, the first jitter correction coil 3233 can interact with the first jitter correction magnet 3231 to generate a driving force in a direction perpendicular to the direction in which they face each other, for example, in the optical axis direction (Z-axis direction), and the reflection holder 3200 can rotate around the first rotation axis (X-axis) by the combined force of the driving forces.

[0125] Fig.11A and Fig. 11B is a diagram illustrating driving of a reflection holder according to an embodiment of the present disclosure.

[0126] Reference Fig.11A and Fig. 11B , through the electromagnetic interaction between the first shake correction magnet 3231 and the first shake correction coil 3233, the reflection holder 3200 can rotate around the first rotation axis (X axis) relative to the rotation holder 3300.

[0127] The first ball group 3410 may be disposed between the reflection holder 3200 and the rotation holder 3300 to form a first rotation axis (X axis) and support the rotation of the reflection holder 3200 .

[0128] In an embodiment, the first ball set 3410 may include a plurality of ball members, for example, two ball members, disposed to be spaced apart in the first rotation axis direction (X axis direction). The first rotation axis (X axis) may pass through the first ball set 3410 .

[0129] The reflection holder 3200 and the rotation holder 3300 may include first and second accommodation grooves 3221 and 3321 that accommodate a plurality of ball members included in the first ball group 3410. For example, the first accommodation groove 3221 may be provided in the reflection holder 3200, and the second accommodation groove 3321 may be provided in the rotation holder 3300.

[0130] The first accommodating groove 3221 and the second accommodating groove 3321 may each be provided in the same number (eg, two) as the number of the plurality of ball members included in the first ball group 3410, and they may be provided to be spaced apart in the first rotation axis direction (X-axis direction).

[0131] The reflection holder 3200 may include a protrusion 3210 formed to protrude in the first rotation axis direction (X-axis direction) from a portion in which the reflection member 3100 is installed, and the first receiving groove 3221 may be provided on the protrusion 3210 .

[0132] The first receiving groove 3221 and the second receiving groove 3321 may face each other in the optical axis direction (Z-axis direction), and the first ball group 3410 may be disposed between the first receiving groove 3221 and the second receiving groove 3321 .

[0133] Different parts of the plurality of ball members included in the first ball set 3410 may be respectively received in the first receiving groove 3221 and the second receiving groove 3321. That is, a part of the plurality of ball members may be received in the first receiving groove 3221, and the other part of the plurality of ball members may be received in the second receiving groove 3321.

[0134] The first receiving groove 3221 and the second receiving groove 3321 may include grooves having at least three inclined surfaces to support the ball members received therein at three or more points. Therefore, the plurality of ball members included in the first ball group 3410 may form a first rotation axis (X axis) and rotate in place while being received in the first receiving groove 3221 and the second receiving groove 3321.

[0135] On the other hand, the first receiving groove 3221 and the second receiving groove 3321 may optionally include a groove having two inclined surfaces.

[0136] In an embodiment, a portion of the first receiving groove 3221 and the second receiving groove 3321 may have three inclined surfaces, while the other portions of the first receiving groove 3221 and the second receiving groove 3321 may have two inclined surfaces. According to this structure, at least one of the plurality of ball members included in the first ball group 3410 also has a degree of freedom in one direction, thereby being able to overcome defects caused by tolerance.

[0137] Fig.12 is a diagram showing a support structure of a reflection holder according to an embodiment of the present disclosure.

[0138] In order to prevent the first ball group 3410 from being separated, the reflection holder 3200 may be supported by the rotation holder 3300 in the optical axis direction (Z-axis direction) with the first ball group 3410 interposed therebetween.

[0139] Reference Fig.12 , a pair of magnetic materials 3240 and 3340 can be arranged in the reflection holder 3200 and the rotation holder 3300 to face each other in the optical axis direction (Z-axis direction).

[0140] In an embodiment, the pair of magnetic materials 3240 and 3340 may be a pulling yoke 3240 (or a first magnetic material) disposed in the reflective holder 3200 and a pulling magnet 3340 (or a second magnetic material) disposed in the rotating holder 3300 .

[0141] The pulling yoke 3240 and the pulling magnet 3340 can generate a magnetic attraction in the direction facing each other, that is, in the optical axis direction (Z-axis direction). Due to the magnetic attraction generated between them, the reflection holder 3200 can be supported in close contact with the rotation holder 3300 with the first ball group 3410 interposed therebetween.

[0142] In another embodiment, the position of the pair of magnetic materials 3240 and 3340 may be changed. In addition, in another embodiment, another type of magnetic action (eg, magnetic repulsion) may act between the pair of magnetic materials 3240 and 3340.

[0143] The first shake correction driving unit 3230 may include a first position sensor 3235 for sensing a position of the first shake correction magnet 3231 .

[0144] In an embodiment, the first position sensor 3235 may be mounted on the main board 7000 to be parallel to the first shake correction coil 3233 and disposed in the housing 1100, and may face the first shake correction magnet 3231 through the through hole 1133. That is, the first position sensor 3235 may face the neutral region of the first shake correction magnet 3231.

[0145] The first position sensor 3235 may be a magnetic sensor configured to sense the movement amount of the first shake correction magnet 3231 by sensing a change in magnetic flux of the first shake correction magnet 3231. The first position sensor 3235 may be disposed to face a neutral region of the first shake correction magnet 3231 to effectively sense the change in magnetic flux.

[0146] On the other hand, although not shown in the drawings, the yoke may also be provided on another surface of the main board 7000, specifically, on a surface opposite to the surface on which the first shake correction coil 3233 and the first position sensor 3235 are provided. The yoke may prevent leakage of the magnetic field by focusing the magnetic flux of the first shake correction magnet 3231.

[0147] The second shake correction driving unit 3330 may include a second shake correction magnet 3331 and a second shake correction coil 3333 .

[0148] Further references Fig.10 , the second shake correction magnet 3331 may be disposed on both side surfaces of the rotation holder 3300 , and the second shake correction coil 3333 may be disposed on both side surfaces of the housing 1100 that respectively face the two side surfaces of the rotation holder 3300 .

[0149] Although not shown in the drawings, the second shake correction magnet 3331 may be provided on a back yoke provided in the rotation holder 3300. The back yoke may prevent leakage of a magnetic field by focusing magnetic flux of the second shake correction magnet 3331.

[0150] The second shake correction coils 3333 may be respectively mounted on the main board 7000 and disposed on both side surfaces of the housing 1100 , and may be exposed to the inner space of the housing 1100 through through holes 1131 respectively formed on both side surfaces of the housing 1100 .

[0151] In an embodiment, the second shake correction magnet 3331 may include two magnets, and the second shake correction coil 3333 may include two coils. The second shake correction magnet 3331 and the second shake correction coil 3333 may be respectively disposed on both side surfaces of the rotation holder 3300 and the housing 1100, and face each other in the first axis direction (X axis direction).

[0152] The second shake correction magnet 3331 may be configured to have different polarities magnetized sequentially in the rotation direction. The second shake correction magnet 3331 may be configured so that a surface of the second shake correction magnet 3331 facing the second shake correction coil 3333 has an N pole, a neutral region, and an S pole (or an S pole, a neutral region, and an N pole) sequentially in the rotation direction of the rotation holder 3300 (for example, in the second axis direction (Y axis direction)).

[0153] When power is supplied to the second jitter correction coil 3333, the second jitter correction coil 3333 can interact with the second jitter correction magnet 3331 to generate a driving force in a direction perpendicular to the direction in which they face each other, for example, in the second axis direction (Y-axis direction), and the rotating holder 3300 can rotate around the second rotation axis (Z-axis) by the combined force of the driving forces.

[0154] Fig.13A and Fig. 13B is a diagram illustrating driving of a rotation holder according to an embodiment of the present disclosure.

[0155] Reference Fig.13A and Fig. 13B The rotation holder 3300 may rotate about the second rotation axis (Z axis) relative to the housing 1100 by electromagnetic interaction of the second shake correction magnet 3331 and the second shake correction coil 3333. The second rotation axis (Z axis) may be substantially parallel to the optical axis.

[0156] The second ball group 3420 may be disposed between the rotation holder 3300 and the housing 1100 to form a second rotation axis (Z axis) and support the rotation of the rotation holder 3300 .

[0157] In an embodiment, the second ball group 3420 may include one rotation axis ball 3421 and a plurality of guide balls 3423 disposed to be spaced apart from the rotation axis ball 3421 .

[0158] The second rotation axis (Z axis) may pass through one rotation axis ball 3421. The plurality of guide balls 3423 may include one or more (eg, two) ball members.

[0159] The rotation holder 3300 and the housing 1100 may include a third receiving groove 3351 and a fourth receiving groove 1151 receiving the rotation shaft ball 3421. For example, the third receiving groove 3351 may be provided in the rotation holder 3300, and the fourth receiving groove 1151 may be provided in the housing 1100.

[0160] The third receiving groove 3351 and the fourth receiving groove 1151 may face each other in the optical axis direction (Z-axis direction), and the rotation shaft ball 3421 may be disposed between the third receiving groove 3351 and the fourth receiving groove 1151 .

[0161] Different parts of the rotating shaft ball 3421 may be respectively received in the third receiving groove 3351 and the fourth receiving groove 1151. That is, a part of the rotating shaft ball 3421 may be received in the third receiving groove 3351, and the other part of the rotating shaft ball 3421 may be received in the fourth receiving groove 1151.

[0162] At least one of the third receiving groove 3351 and the fourth receiving groove 1151 may be a groove having at least three inclined surfaces so as to support the rotating shaft ball 3421 received therein at three or more points. Therefore, the rotating shaft ball 3421 may form a second rotating axis (Z axis) while rotating in an appropriate position while being received in the third receiving groove 3351 and the fourth receiving groove 1151.

[0163] The rotation holder 3300 and the housing 1100 may include first guide grooves 3353 and second guide grooves 1153 accommodating the plurality of guide balls 3423. For example, the first guide grooves 3353 may be provided in the rotation holder 3300, and the second guide grooves 1153 may be provided in the housing 1100.

[0164] The first guide groove 3353 and the second guide groove 1153 may be respectively provided in the same number (eg, two) as the number of the plurality of guide balls 3423 .

[0165] The first guide groove 3353 and the second guide groove 1153 may have a shape extending substantially in the circumferential direction of a circle centered at the rotation shaft ball 3421. For example, the first guide groove 3353 and the second guide groove 1153 may have a straight or curved shape.

[0166] The first guide groove 3353 and the second guide groove 1153 may face each other in the optical axis direction (Z-axis direction), and a plurality of guide balls 3423 may be disposed between the first guide groove 3353 and the second guide groove 1153 , respectively.

[0167] Different portions of the plurality of guide balls 3423 may be respectively received in the first guide groove 3353 and the second guide groove 1153. That is, a portion of the plurality of guide balls 3423 may be received in the first guide groove 3353, and the other portion of the plurality of guide balls 3423 may be received in the second guide groove 1153.

[0168] The plurality of guide balls 3423 may contact the first guide groove 3353 and the second guide groove 1153 at one or two points, respectively. Therefore, the plurality of guide balls 3423 may support the rotation of the rotation holder 3300 while rolling while being accommodated in the first guide groove 3353 and the second guide groove 1153.

[0169] Fig.14 is a diagram showing a support structure of a rotation holder according to an embodiment of the present disclosure.

[0170] In order to prevent the second ball group 3420 from being separated, the rotation holder 3300 may be supported on the housing 1100 in the optical axis direction (Z-axis direction) with the second ball group 3420 interposed therebetween.

[0171] Reference Fig.14 , a pair of magnetic materials 3331 and 1170 may be arranged in the rotation holder 3300 and the housing 1100 to face each other in the optical axis direction (Z-axis direction).

[0172] In an embodiment, the pair of magnetic materials 3331 and 1170 may be a second shake correction magnet 3331 (or a third magnetic material) disposed in the rotation holder 3300 and a pulling yoke 1170 (or a fourth magnetic material) disposed in the housing 1100 .

[0173] The pulling yoke 1170 may be disposed on both sides of a second rotation axis (Z axis) which is a rotation axis of the rotation holder 3300 , and may be symmetrically disposed with respect to the second rotation axis (Z axis).

[0174] In an embodiment, the traction yoke 1170 may have an overall shape extending substantially in the second axis direction (Y axis direction). The traction yoke 1170 may include a portion extending in the first axis direction (X axis direction) and a portion extending in the second axis direction (Y axis direction). The portion extending in the first axis direction (X axis direction) and the portion extending in the second axis direction (Y axis direction) of the traction yoke 1170 may be alternately arranged, so that the traction yoke 1170 may have a shape similar to the shape of the traction yoke 1170. Similar shapes.

[0175] The second shake correction magnet 3331 may be disposed such that a portion of the second shake correction magnet 3331 protrudes to the outside of the rotation holder 3300 so as to face the pulling yoke 1170 disposed in the housing 1100 .

[0176] In an embodiment, when the second shake correction magnet 3331 is provided on the rotation holder 3300, the second shake correction magnet 3331 may protrude further in the first axis direction (X axis direction) than one surface of the rotation holder 3300 on which the second shake correction magnet 3331 is provided.

[0177] For example, the second shake correction magnet 3331 may be disposed in the seating groove 3323 provided in the rotation holder 3300, and the second shake correction magnet 3331 may have a thickness greater than the depth (or thickness) of the seating groove 3323 in which the second shake correction magnet 3331 is disposed. Therefore, a portion of the second shake correction magnet 3331 may protrude to the outside of the seating groove 3323. The pulling yoke 1170 may face the protruding portion of the second shake correction magnet 3331 in the optical axis direction (Z-axis direction).

[0178] The second shake correction magnet 3331 and the pulling yoke 1170 may generate a magnetic attraction force in a direction facing each other, that is, in the optical axis direction (Z-axis direction). For example, a portion of the pulling yoke 1170 extending in the second axis direction (Y-axis direction) may substantially generate a magnetic attraction force with the second shake correction magnet 3331. By the magnetic attraction force generated therebetween, the rotation holder 3300 may be supported in close contact with the housing 1100 with the second ball group 3420 interposed therebetween.

[0179] However, in another embodiment, another type of magnetic action (eg, magnetic repulsion) may act between the pair of magnetic materials 3240 and 3340 .

[0180] The second shake correction driving unit 3330 may include a second position sensor 3335 for sensing a position of the second shake correction magnet 3331 .

[0181] In an embodiment, the second position sensor 3335 may be mounted on the main board 7000 to be parallel to the second shake correction coil 3333, and disposed in the housing 1100, and may face the second shake correction magnet 3331 through the through hole 1131. For example, the second position sensor 3335 may face the neutral region of the second shake correction magnet 3331.

[0182] The second position sensor 3335 may be a magnetic sensor configured to sense the movement amount of the second shake correction magnet 3331 by sensing a change in magnetic flux of the second shake correction magnet 3331. The second position sensor 3335 may be disposed to face a neutral region of the second shake correction magnet 3331 to effectively sense the change in magnetic flux.

[0183] On the other hand, although not shown in the drawings, the yoke may also be provided on another surface of the main board 7000, specifically, on a surface opposite to the surface on which the second shake correction coil 3333 and the second position sensor 3335 are provided. The yoke may prevent leakage of the magnetic field by focusing the magnetic flux of the second shake correction magnet 3331.

[0184] On the other hand, the reflection module 3000 may be provided with a stopper 3500 which prevents collision between components when the reflection module 3000 is rotated and the rotation range of the reflection module 3000 is adjusted.

[0185] In an embodiment, the stopper 3500 may be coupled to the rotation holder 3300 to surround the protrusion 3210 of the reflection holder 3200. The stopper 3500 may be coupled to the rotation holder 3300 at a distance from the reflection holder 3200 so as not to interfere with the rotation of the reflection holder 3200 relative to the rotation holder 3300.

[0186] In order to effectively absorb the impact and noise caused by the collision, the stopper 3500 may be provided with a buffer member. For example, the buffer member may be provided to surround the upper edge portion of the stopper 3500.

[0187] Next, refer to Fig.15 and Fig.16 , a second lens module 4000 according to an embodiment of the present disclosure will be described.

[0188] Fig.15 is an exploded perspective view of a second lens module according to an embodiment of the present disclosure.

[0189] The second lens module 4000 may include a lens holder 4100 on which a plurality of lenses are mounted.

[0190] In an embodiment, a plurality of lenses may be mounted on the lens holder 4100 at predetermined intervals in the optical axis direction (or second optical axis direction) (Z axis direction). Alternatively, in another embodiment, a plurality of lenses may be mounted on the lens holder through a lens barrel.

[0191] In addition, in the drawings, a plurality of lenses are shown to be mounted on the lens holder 4100, but in another embodiment, a plurality of lenses may be separately mounted on a plurality of lens barrels (or lens holders), and in this case, the plurality of lens barrels (or lens holders) may be configured to be independently movable.

[0192] Reference Fig.15 , the lens holder 4100 may be movably supported to be movable on the housing 1100 .

[0193] In an embodiment, the lens holder 4100 may be provided to be movable in the optical axis direction (Z axis direction) relative to the housing 1100. To this end, a third ball group 4400 for guiding the movement of the lens holder 4100 in the optical axis direction (Z axis direction) may be provided between the lens holder 4100 and the housing 1100.

[0194] The second lens module 4000 may include a driving unit (hereinafter referred to as a focus adjustment driving unit) 4300 that forms a driving force for moving the second lens module 4000 in an optical axis direction (Z-axis direction).

[0195] The focus adjustment driving unit 4300 may include a magnet and a coil, and a driving force for moving the lens holder 4100 in the optical axis direction (Z-axis direction) may be an electromagnetic force generated between the magnet and the coil.

[0196] The focus adjustment driving unit 4300 may include a focus adjustment magnet 4310 and a focus adjustment coil 4330 .

[0197] The focus adjustment magnets 4310 may be disposed on both side surfaces of the lens holder 4100 , and the focus adjustment coils 4330 may be disposed on both side surfaces of the housing 1100 facing both side surfaces of the lens holder 4100 .

[0198] Although not shown in the drawings, the focus adjustment magnet 4310 may be provided on a back yoke provided in the lens holder 4100. The back yoke may prevent leakage of a magnetic field by focusing a magnetic flux of the focus adjustment magnet 4310.

[0199] The focus adjustment coil 4330 may be disposed on both side surfaces of the housing 1100 , while the focus adjustment coil 4330 is mounted on the main board 7000 , and may be exposed to the inner space of the housing 1100 through a through hole 1135 formed on both side surfaces of the housing 1100 .

[0200] The focus adjustment magnet 4310 and the focus adjustment coil 4330 may be independently disposed in the lens holder 4100 and the housing 1100 , respectively, and face each other in the first axis direction (X-axis direction).

[0201] The focus adjustment magnet 4310 may be configured so that different polarities are sequentially magnetized in the same direction. The focus adjustment magnet 4310 may be configured so that its surface facing the focus adjustment coil 4330 has an N pole, a neutral region, and an S pole (or an S pole, a neutral region, and an N pole) sequentially in the moving direction of the lens holder 4100 (e.g., the optical axis direction (Z-axis direction)).

[0202] When power is supplied to the focus adjustment coil 4330, the focus adjustment coil 4330 may interact with the focus adjustment magnet 4310 to generate a driving force in a direction perpendicular to the direction in which they face each other, for example, in the optical axis direction (Z-axis direction). The lens holder 4100 may be moved in the optical axis direction (Z-axis direction) by the combined force of the driving force.

[0203] The focus adjustment driving unit 4300 may include a third position sensor 4350 for sensing a position of the focus adjustment magnet 4310 .

[0204] In an embodiment, the third position sensor 4350 may be mounted on the main board 7000 to be parallel to the focus adjustment coil 4330, and disposed in the housing 1100, and may face the focus adjustment magnet 4310 through the through hole 1135. For example, the third position sensor 4350 may face the neutral region of the focus adjustment magnet 4310.

[0205] The third position sensor 4350 may be a magnetic sensor configured to sense the movement amount of the focus adjustment magnet 4310 by sensing the change in magnetic flux of the focus adjustment magnet 4310. The third position sensor 4350 may be disposed to face the neutral region of the focus adjustment magnet 4310 to effectively sense the change in magnetic flux.

[0206] Although not shown in the drawings, the yoke may also be provided on another surface of the main board 7000, specifically, on a surface opposite to the surface on which the focus adjustment coil 4330 and the third position sensor 4350 are provided. The yoke may prevent leakage of the magnetic field by focusing the magnetic flux of the focus adjustment magnet 4310.

[0207] The third ball group 4400 may be disposed between the lens holder 4100 and the housing 1100 to support movement of the lens holder 4100 .

[0208] In an embodiment, the third ball group 4400 may include three or more ball members, for example, four ball members, which are arranged as a pair of two ball members spaced apart in the optical axis direction (Z-axis direction), and each of the four ball members may support one side or the other side of the lens holder 4100.

[0209] The lens holder 4100 and the housing 1100 may include a third guide groove 4150 and a fourth guide groove 1155 accommodating the third ball group 4400. For example, the third guide groove 4150 may be provided in the lens holder 4100, and the fourth guide groove 1155 may be provided in the housing 1100.

[0210] The third guide groove 4150 and the fourth guide groove 1155 may be respectively provided in the same number (eg, four ball members) as the number of the plurality of ball members included in the third ball set 4400 .

[0211] The third guide groove 4150 and the fourth guide groove 1155 may have a shape extending substantially in the optical axis direction (Z-axis direction).

[0212] The third guide groove 4150 and the fourth guide groove 1155 may face each other in the second axis direction (Y axis direction), and a plurality of ball members included in the third ball group 4400 may be respectively disposed between the third guide groove 4150 and the fourth guide groove 1155 .

[0213] Different portions of the plurality of ball members may be respectively received in the third guide groove 4150 and the fourth guide groove 1155. That is, a portion of the plurality of ball members included in the third ball set 4400 may be received in the third guide groove 4150, and the other portion of the plurality of ball members may be received in the fourth guide groove 1155.

[0214] The plurality of ball members included in the third ball set 4400 may contact the third guide groove 4150 and the fourth guide groove 1155 at one or two points, respectively.

[0215] Fig.16 is a diagram illustrating a structure in which a second lens module according to an embodiment of the present disclosure is supported on a housing.

[0216] In order to prevent the third ball group 4400 from being separated, the lens holder 4100 may be supported on the housing 1100 in the second axis direction (Y-axis direction) with the third ball group 4400 interposed therebetween.

[0217] Reference Fig.15 and Fig.16 , a pair of magnetic materials 4140 and 1180 may be respectively disposed in the lens holder 4100 and the housing 1100 to face each other in the second axis direction (Y-axis direction).

[0218] In an embodiment, the pair of magnetic materials 4140 and 1180 may be a pulling magnet 4140 (or a fifth magnetic material) disposed in the lens holder 4100 and a pulling yoke 1180 (or a sixth magnetic material) disposed in the housing 1100 .

[0219] The pulling magnet 4140 and the pulling yoke 1180 can generate a magnetic attraction force in the direction facing each other, that is, in the second axis direction (Y axis direction). By the magnetic attraction force generated between them, the lens holder 4100 can be supported in close contact with the housing 1100, and the third ball group 4400 is interposed therebetween.

[0220] Reference Fig.16 In order to stably support the movement of the lens holder 4100, the pulling magnet 4140 may be located within a supporting area SA formed by a plurality of ball members (ie, four ball members) included in the third ball group 4400.

[0221] For example, the lens holder 4100 may have four supporting points formed by four ball members, and the pulling magnet 4140 may be disposed in a square supporting area SA having the four supporting points as vertices. Therefore, the point of action of the magnetic attraction force generated between the pulling magnet 4140 and the pulling yoke 1180 may also be formed in the supporting area SA, and the lens holder 4100 may be supported on the housing 1100 more stably.

[0222] Furthermore, according to an embodiment of the present disclosure, the pulling yoke 1180 provided in the housing 1100 may be formed such that a surface thereof facing the pulling magnet 4140 has a larger area than the pulling magnet 4140 , thereby covering the pulling magnet 4140 provided in the lens holder 4100 .

[0223] In an embodiment, the pulling yoke 1180 may be formed to have a length in the optical axis direction (Z-axis direction).

[0224] Therefore, even if the lens holder 4100 moves in the optical axis direction (Z-axis direction) relative to the housing 1100, the lens holder 4100 can be stably supported on the housing 1100 because the pulling magnet 4140 can remain facing the pulling yoke 1180.

[0225] On the other hand, in another embodiment, the position of the pair of magnetic materials 4140 and 1180 may be changed. In addition, in another embodiment, another type of magnetic action (eg, magnetic repulsion) may act between the pair of magnetic materials 4140 and 1180.

[0226] On the other hand, the housing 1100 may be provided with a stopper 1300 to prevent a collision between the housing 1100 and the second lens module 4000 due to movement of the second lens module 4000 and to adjust a moving range of the second lens module 4000 .

[0227] In an embodiment, the stopper 1300 may be provided on the protruding wall 1110 of the housing 1100 and on one surface facing the protruding wall 1110 in the optical axis direction (Z-axis direction).

[0228] The second lens module 4000 may move in the optical axis direction (Z axis direction) relative to the housing 1100 between the stoppers 1300 disposed to be spaced apart in the optical axis direction (Z axis direction).

[0229] In order to effectively absorb the impact and noise caused by the collision, the stopper 1300 may be provided with a buffer member. For example, the buffer member may be provided to protrude toward the second lens module 4000 (or the lens holder 4100).

[0230] As described above, according to one or more embodiments of the present disclosure, image resolution degradation occurring during shake correction can be minimized.

[0231] Although specific examples have been shown and described above, it will be apparent after understanding the present disclosure that various changes in form and detail may be made in these examples without departing from the spirit and scope of the claims and their equivalents. The examples described herein are considered to be illustrative only and not for limiting purposes. The description of the features or aspects in each example is considered to be applicable to similar features or aspects in other examples. Suitable results may also be obtained if the described techniques are performed in a different order, and / or if the components in the described systems, architectures, devices, or circuits are combined in different ways and / or replaced or supplemented by other components or their equivalents. Therefore, the scope of the present disclosure is not limited by specific embodiments, but by the claims and their equivalents, and all changes within the scope of the claims and their equivalents will be interpreted as included in the present disclosure.

Claims

1. A camera module, comprising: case; A reflection module, including a reflection member, and supported on the housing; a lens module including a plurality of lenses arranged in the optical axis direction and supported on the housing in a direction different from a supporting direction of the reflection module; as well as An image sensor converts incident light passing through the lens module into an electrical signal, wherein the reflection module is configured to be rotatable relative to the housing using the optical axis and a first axis perpendicular to the optical axis as a rotation axis, and The reflection module is supported on the housing in the optical axis direction.

2. The camera module according to claim 1, further comprising: A plurality of ball members are arranged between the reflection module and the housing, Wherein, the plurality of ball components include: a rotation axis sphere through which the optical axis passes; and A plurality of guide balls are disposed to be spaced apart from the rotation axis ball and configured to roll when the reflection module rotates.

3. The camera module according to claim 1, wherein: The reflection module also includes: a rotation holder supported on the housing and configured to rotate using the optical axis as a rotation axis; and a reflective holder supported on the rotating holder and configured to rotate using the first axis as a rotation axis, and The direction in which the reflective holder is supported on the rotating holder is parallel to the direction in which the rotating holder is supported on the housing.

4. The camera module according to claim 3, wherein: The reflection module also includes: a first shake correction driving unit configured to generate a driving force to rotate the reflection holder using the first axis as a rotation axis, and Wherein, the first jitter correction driving unit comprises: A first shake correction magnet is provided on a bottom surface of the reflection holder, and a first shake correction coil is provided in the housing to face the first shake correction magnet.

5. The camera module according to claim 4, wherein: The rotation holder comprises: an opening penetrating the rotation holder in a direction in which the first shake correction magnet and the first shake correction coil face each other, and Wherein, a bottom surface of the reflection holder on which the first shake correction magnet is disposed is disposed in the opening.

6. The camera module according to claim 3, wherein: The reflection module further includes a second shake correction driving unit configured to generate a driving force to rotate the rotation holder using the optical axis as a rotation axis, and Wherein, the second jitter correction driving unit comprises: a second shake correction magnet provided on a side surface of the rotation holder, and a second shake correction coil provided in the housing to face the second shake correction magnet.

7. The camera module according to claim 6, wherein: The housing includes a pulling yoke disposed to face the second shake correction magnet in the optical axis direction to form a magnetic attraction force with the second shake correction magnet in the optical axis direction.

8. The camera module according to claim 7, wherein: the second shake correction magnet includes a portion that protrudes further toward the second shake correction coil than one surface of the rotation holder on which the second shake correction magnet is provided, and wherein the pulling yoke faces the protruding portion of the second shake correction magnet in the optical axis direction.

9. The camera module according to claim 6, wherein: The second shake correction magnet is magnetized in a second axis direction perpendicular to both the optical axis and the first axis.

10. The camera module according to claim 3, further comprising: A plurality of ball members are disposed to be spaced apart in a first axis direction between the reflection holder and the rotation holder to form the first axis.

11. The camera module according to claim 3, further comprising: A pair of magnetic materials are respectively provided on the reflection holder and the rotation holder to face each other in the optical axis direction, thereby forming a magnetic attraction force in the optical axis direction.

12. The camera module according to claim 1, further comprising: a lens barrel, in which at least one lens is mounted, through which light is incident, The lens barrel is coupled to the reflection module and rotates together with the reflection module using the optical axis and the first axis as a rotation axis.

13. A camera module, comprising: case; a reflective module including a reflective member and supported on one surface of the housing; a first lens module including at least one lens through which light is incident, and disposed on the reflection module such that the light passing through the at least one lens is incident on the reflection member; a second lens module including a plurality of lenses through which light reflected by the reflection member is incident and emitted; as well as An image sensor converts incident light passing through the second lens module into an electrical signal, wherein the reflection module is configured to be rotatable relative to the housing using the optical axis of the second lens module and a first axis perpendicular to the optical axis of the second lens module as a rotation axis, and The reflection module is supported on the housing in the optical axis direction of the second lens module.

14. The camera module according to claim 13, wherein: The reflection module also includes: a rotation holder supported on the housing and configured to rotate using the optical axis of the second lens module as a rotation axis; and The reflection holder is supported on the rotation holder and is configured to rotate using the first axis as a rotation axis.

15. The camera module according to claim 14, further comprising: a plurality of ball members disposed between the rotation holder and a surface of the housing facing the optical axis direction of the second lens module, Wherein, the plurality of ball components include: a rotation axis sphere through which the optical axis passes; and A plurality of guide balls are disposed to be spaced apart from the rotation axis ball and configured to roll when the reflection module rotates.

16. The camera module according to claim 14, further comprising: a plurality of ball members disposed between the reflection holder and the rotation holder, The reflection holder is supported on the rotation holder in the optical axis direction of the second lens module via the plurality of ball members.

17. The camera module according to claim 13, wherein: The reflection module also includes: a first shake correction driving unit including a first shake correction magnet and a first shake correction coil, the first shake correction magnet and the first shake correction coil being arranged to face each other in a second axis direction perpendicular to both the optical axis of the second lens module and the first axis, and the first shake correction driving unit being configured to generate a driving force to rotate the reflecting member using the first axis as a rotation axis; and a second shake correction drive unit including a second shake correction magnet and a second shake correction coil, the second shake correction magnet and the second shake correction coil being arranged to face each other in the direction of the first axis, and the second shake correction drive unit being configured to generate a driving force to rotate the reflecting member using the optical axis of the second lens module as a rotation axis.

18. A camera module, comprising: case; A reflection module, comprising a reflection member, wherein the reflection member is disposed on a reflection holder, wherein the reflection holder is rotatably disposed on a rotation holder, and the reflection module is rotatably disposed in the housing, and the reflection module is supported on a surface of the housing; a lens module disposed in the housing and including a plurality of lenses, the plurality of lenses being disposed in an optical axis direction along which light reflected by the reflection member is incident; a first shake correction magnet and a first shake correction coil, the first shake correction magnet being disposed on a bottom surface of the reflection holder, the first shake correction coil being disposed in the housing to face the first shake correction magnet, the first shake correction magnet and the first shake correction coil being configured to generate a driving force to rotate the reflection holder around a first axis perpendicular to the optical axis; a second shake correction magnet and a second shake correction coil, the second shake correction magnet being disposed on a side surface of the rotation holder, the second shake correction coil being disposed in the housing to face the second shake correction magnet, the second shake correction magnet and the second shake correction coil being configured to generate a driving force to rotate the rotation holder around the optical axis; as well as The image sensor converts the incident light passing through the lens module into an electrical signal.

19. The camera module according to claim 18, further comprising: a lens barrel, in which at least one lens is mounted, through which light is incident, The lens barrel is coupled to the reflection module and rotates together with the reflection module using the optical axis and the first axis as a rotation axis.

Images