Optical path change module and camera module

Abstract

The optical path changing module includes: a first rotating bracket on which a reflecting member configured to change the optical path is mounted; a second rotating bracket that supports the first rotating bracket; and a first elastic support portion provided between the first rotating bracket and the second rotating bracket. The first elastic support portion includes: a first shaft provided along a first rotation axis that is the rotation axis of the first rotating bracket and fastened to either the first rotating bracket or the second rotating bracket; a first bracket fastened to the other of the first rotating bracket and the second rotating bracket and accommodating the first shaft therein; and a first elastic member connecting the first shaft to the first bracket.

Description

[0001] Cross - reference to related applications

[0002] This application claims the benefit of priority to Korean Patent Application No. 10 - 2020 - 0152969, filed on November 16, 2020, with the Korean Intellectual Property Office, the entire disclosure of which is incorporated herein by reference for all purposes. Technical Field

[0003] The following description relates to an optical path changing module and a camera module including the optical path changing module. Background Art

[0004] Recently, cameras have been used in portable electronic devices such as smart phones, tablet PCs, laptop computers, etc., and an autofocus function, an image stabilization function, and a zoom function have been added to cameras for mobile terminals.

[0005] However, in order to implement various functions, the structure of the camera module has been complicated and its size has increased, so that the size of the portable electronic device on which the camera module is mounted has also increased.

[0006] In addition, when a lens or an image sensor is directly moved for image stabilization, it may be necessary to consider the weight of the lens or the image sensor and the weight of other components to which the lens or the image sensor is attached, and thus, a driving force higher than a certain level may be required, which may increase power consumption. Summary of the Invention

[0007] The present Summary is provided to introduce a selection of inventive concepts in a simplified form that will be 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 help determine the scope of the claimed subject matter.

[0008] In one general aspect, an optical path changing module includes: a first rotating bracket on which a reflecting member configured to change an optical path is mounted; a second rotating bracket supporting the first rotating bracket; and a first elastic support portion disposed between the first rotating bracket and the second rotating bracket. The first elastic support portion includes: a first shaft disposed along a first rotation axis that is a rotation axis of the first rotating bracket and fastened to either the first rotating bracket or the second rotating bracket; a first bracket fastened to the other of the first rotating bracket and the second rotating bracket and accommodating the first shaft therein; and a first elastic member connecting the first shaft to the first bracket.

[0009] The first rotation axis may extend through the reflecting member.

[0010] Each of the first elastic members may be formed as a plate-shaped member, and the ends of each of the first elastic members may be bent to form an acute angle.

[0011] The first elastic members may be radially disposed about a first axis. One end of each of the first elastic members may be coupled to the first axis, and the other end of each of the first elastic members may be coupled to a first bracket.

[0012] The optical path changing module may further include conductive terminals coupled to the first bracket. The other end of each of the first elastic members may be connected to a corresponding one of the conductive terminals.

[0013] The first elastic members may be formed of a shape memory alloy.

[0014] The optical path changing module may further include a circuit board that is electrically connected to the conductive terminals and configured to supply current to the first elastic members.

[0015] The first rotating bracket may include a mounting surface on which a reflecting member is mounted and a shaft coupling portion that is provided on a rear surface of the mounting surface and coupled to the first elastic support portion.

[0016] The second rotating bracket may include two side portions respectively provided on opposite sides of the first rotating bracket and a connecting portion connecting the two side portions. A virtual axis passing through the two side portions may be provided along a second rotation axis that is the rotation axis of the second rotating bracket.

[0017] The optical path changing module may further include: a module housing that houses the second rotating bracket; and a circuit board coupled to the module housing. The second rotating bracket may be coupled to the module housing such that the second rotating bracket is configured to rotate relative to the module housing along the second rotation axis.

[0018] The optical path changing module may further include: a second elastic support portion provided between the second rotating bracket and the module housing. The second elastic support portion may include: a second shaft provided along the second rotation axis and coupled to either the second rotating bracket or the module housing; a second bracket fastened to the other of the second rotating bracket and the module housing and housing the second shaft therein; and a second elastic member connecting the second shaft to the second bracket.

[0019] The optical path changing module may further include a second driver configured to rotate the second rotating bracket about the second rotation axis. The second driver may include: a second magnet portion coupled to the second bracket; and a second coil portion provided opposite to and spaced apart from the second magnet portion and coupled to the circuit board.

[0020] The optical path changing module may further include a first driver configured to rotate the first rotating bracket about the first rotation axis.

[0021] The first driver may include: a first magnet portion coupled to the first carriage; and a first coil portion disposed opposite and spaced apart from the first magnet portion.

[0022] In another general aspect, a camera module includes: an optical path changing module including a rotating bracket on which a reflecting member configured to change an optical path is mounted; a module housing accommodating the optical path changing module; and an elastic member connecting the rotating bracket to the module housing. The elastic member is radially disposed around a rotation axis of the rotating bracket. One end of each of the elastic members is fastened to the rotating bracket, and the other end of each of the elastic members is fastened to the module housing.

[0023] The camera module may further include: a lens module accommodated in the module housing and including a lens; and an image sensor module configured to convert light passing through the lens into an electrical signal.

[0024] In another general aspect, a camera module includes: a module housing; an optical path changing module disposed in an inner space of the module housing and including a first rotating bracket on which a reflecting member configured to change a path of light is mounted; a first shaft coupled to the module housing and forming a rotation axis of the first rotating bracket; and a first elastic member extending radially outward from the first shaft and connecting the first rotating bracket to the first shaft.

[0025] One end of each of the first elastic members may be connected to the first shaft, and the other end of each of the first elastic members may be connected to the first rotating bracket.

[0026] The camera module may further include a first annular carriage mounted in an opening in the first rotating bracket and disposed around the first shaft. One end of each of the first elastic members may be connected to the first shaft, and the other end of each of the first elastic members may be connected to the first annular carriage.

[0027] The camera module may further include: a second rotating bracket mounted on the first rotating bracket and including a mounting surface on which the reflecting member is mounted; a second shaft coupled to the first rotating bracket and forming a rotation axis of the second rotating bracket, the rotation axis of the second rotating bracket being perpendicular to the rotation axis of the first rotating bracket; and a second elastic member extending radially outward from the second shaft and connecting the second rotating bracket to the second shaft.

[0028] One end of each of the second elastic members may be connected to the second shaft, and the other end of each of the second elastic members may be connected to the second rotating bracket.

[0029] The camera module may further include a second annular bracket attached to the second rotating bracket and disposed around the second axis. One end of each of the second elastic members may be connected to the second axis, and the other end of each of the second elastic members may be connected to the second annular bracket.

[0030] Other features and aspects will become apparent from the appended claims, the drawings, and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 is a perspective view showing a portable electronic device according to an embodiment.

[0032] Figure 2 is a perspective view showing a camera module according to an embodiment.

[0033] Figure 3 is a view showing Figure 2 an exploded perspective view of a part of the camera module shown in

[0034] Figure 4 is a perspective view showing an optical path changing module according to an embodiment.

[0035] Figure 5 is a view showing from below Figure 4 the optical path changing module of

[0036] Figure 6 is a view showing Figure 4 an exploded perspective view of the optical path changing module shown in

[0037] Figure 7 is a cross-sectional view taken along line I-I' in Figure 4

[0038] Figure 8 is a cross-sectional view taken along line II-II' in Figure 4

[0039] Figure 9 is a view showing Figure 6 an enlarged perspective view of the third elastic support portion shown in

[0040] Figure 10 is a view showing Figure 9 an exploded perspective view of the third elastic support portion shown in

[0041] Figure 11 is a view showing Figure 6 an enlarged perspective view of the first elastic support portion shown in

[0042] Figure 12 is a view showing Figure 11 an exploded perspective view of the first elastic support portion shown in ​​

[0043] Figure 13 is an exploded perspective view showing a part of a camera module according to an embodiment.

[0044] Figure 14 shows Figure 13 a perspective view of the optical path changing module shown.

[0045] Figure 15 is a perspective view showing the Figure 14 optical path changing module as viewed from below.

[0046] Figure 16 shows Figure 14 an exploded perspective view of the optical path changing module shown.

[0047] Figure 17 is a cross-sectional view taken along line III-III' in Figure 14 .

[0048] Figure 18 is a cross-sectional view taken along line IV-IV' in Figure 14 .

[0049] Figure 19 shows Figure 16 an enlarged perspective view of the first elastic support portion shown.

[0050] Figure 20 shows Figure 19 an exploded perspective view of the first elastic support portion shown.

[0051] Figure 21 shows Figure 16 a perspective view of the third elastic support portion shown.

[0052] Figure 22 shows Figure 21 an exploded perspective view of the third elastic support portion shown.

[0053] Throughout the drawings and the detailed description, the same reference numerals will be understood to refer to the same elements, features, and structures. For clarity, illustration, and convenience, the drawings may not be drawn to scale, and the relative dimensions, proportions, and depictions of the elements in the drawings may be exaggerated. DETAILED DESCRIPTION

[0054] The following specific embodiments are provided to assist the reader in obtaining a comprehensive understanding of the methods, apparatuses, and / or systems described in this application. However, various changes, modifications, and equivalents of the methods, apparatuses, and / or systems described in this application will be apparent to those of ordinary skill in the art. For example, the order of operations described in this application is merely illustrative, and except for operations that must occur in a specific order, it is not limited to the order set forth in this application and can be changed, which will be apparent to those of ordinary skill in the art. Additionally, descriptions of functions and configurations well-known to those of ordinary skill in the art may be omitted for greater clarity and conciseness.

[0055] The features described in this application may be implemented in different forms and should not be construed as limited to the examples described in this application. Rather, the examples described in this application are provided only to make the disclosure thorough and complete and to fully convey the scope of the disclosure to those of ordinary skill in the art.

[0056] It should be noted that in this application, the use of the phrase "may" with respect to an embodiment or example (e.g., with respect to what an embodiment or example may include or implement) means that there is at least one embodiment or example in which such a feature is included or implemented, and not all embodiments and examples are so limited.

[0057] Throughout the specification, when an element such as a layer, region, or substrate is described as being "on," "connected to," or "coupled to" another element, the element may be directly "on," directly "connected to," or directly "coupled to" the other element, or there may be one or more other elements intervening between the element and the other element. Conversely, when an element is described as being "directly on," "directly connected to," or "directly coupled to" another element, there are no other elements intervening between the element and the other element.

[0058] As used in this application, the phrase "and / or" includes any one of the associated listed items and any combination of any two or more of them.

[0059] Although terms such as "first," "second," and "third" may be used in this application to describe various components, parts, regions, layers, or sections, these components, parts, regions, layers, or sections are not limited by these terms. Rather, these terms are only used to distinguish one component, part, region, layer, or section from another. Thus, without departing from the teachings of the examples described in this application, the first component, first part, first region, first layer, or first section mentioned in these examples may also be referred to as the second component, second part, second region, second layer, or second section.

[0060] Spatial relative terms such as "above", "upper", "below", and "lower" may be used in this application for convenience of description to describe the relationship of one element relative to another as shown in the figures. These spatial relative terms are intended to cover different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is flipped, an element described as "above" or "upper" relative to another element will be "below" or "lower" relative to that other element. Thus, depending on the spatial orientation of the device, the term "above" covers both the orientation of "above" and "below". The device may also be oriented in other ways (e.g., rotated 90 degrees or in other orientations), and the spatial relative terms used in this application should be interpreted accordingly.

[0061] The terms used in this application are for the purpose of describing various examples only and are not intended to limit the disclosure. Unless the context clearly indicates otherwise, the articles "a", "an", and "the" are intended to include the plural forms as well. The terms "comprising", "including", and "having" specify the presence of the stated features, numbers, operations, components, elements, and / or combinations thereof, but do not preclude the presence or addition of one or more other features, numbers, operations, components, elements, and / or combinations thereof.

[0062] Due to manufacturing techniques and / or tolerances, variations in the shapes shown in the figures may occur. Accordingly, the examples described in this application are not limited to the specific shapes shown in the figures but include shape variations that occur during manufacturing.

[0063] The features of the examples described in this application may be combined in various ways that will be apparent after understanding the disclosure. In addition, although the examples described in this application have various configurations, other configurations that will be apparent after understanding the disclosure are also possible.

[0064] Figure 1 is a perspective view showing a portable electronic device according to an embodiment.

[0065] Referring to Figure 1 , the portable electronic device 1000 may be a portable electronic device such as a mobile communication terminal including a camera module 400, a smart phone, or a tablet PC.

[0066] As Figure 1 shown, the portable electronic device 1000 may include a camera module 400 configured to image an object. The camera module 400 may include a plurality of lenses.

[0067] For example, a plurality of lenses in the camera module 400 may be sequentially arranged along an optical axis (Z-axis) perpendicular to the thickness direction (Y-axis direction, the direction from the front surface to the rear surface of the portable electronic device 1000 or the opposite direction) of the portable electronic device 1000. For example, the optical axes (Z-axes) of the plurality of lenses included in the camera module 400 may be formed in the width direction or the length direction of the portable electronic device 1000.

[0068] Therefore, even when the camera module 400 includes functions such as autofocus (hereinafter referred to as AF), zoom, and optical image stabilization (hereinafter referred to as OIS), the thickness of the portable electronic device 1000 does not increase. Therefore, the portable electronic device 1000 can have a reduced size.

[0069] Figure 2 is a perspective view showing the camera module 400 according to an embodiment. Figure 3 is an exploded perspective view showing a part of the camera module 400.

[0070] Refer to together Figure 2 and Figure 3 The camera module 400 may include an optical path changing module 100, a lens module 200, and an image sensor module 300.

[0071] The optical path changing module 100 may change the traveling direction of light. For example, the light L incident through the opening 421 of the module cover 420 may be changed by the optical path changing module 100 in the traveling direction toward the lens module 200. Therefore, the traveling direction of the light L incident on the optical path changing module 100 may be changed to be consistent with the optical axis (Z-axis) direction when passing through the optical path changing module 100. To this end, the optical path changing module 100 may include a reflection member 110 configured to change the path of the incident light by reflecting it.

[0072] The lens module 200 may include a plurality of lenses through which the light whose traveling direction has been changed by the optical path changing module 100 passes. The image sensor module 300 may include an image sensor 310 and a printed circuit board 320 configured to convert the light passing through the plurality of lenses into an electrical signal.

[0073] The optical path changing module 100, the lens module 200, and the image sensor module 300 may be disposed in the module housing 410. The module housing 410 may have an accommodation space, and the optical path changing module 100 / lens module 200 and the image sensor module 300 may be sequentially disposed in the accommodation space. The module cover 420 may be coupled to the module housing 410 to form a complete housing of the camera module 400.

[0074] In addition, the circuit board 430 can be coupled to the module housing 410. The circuit board 430 can be electrically connected to the driver and can supply an electrical signal to the driver. The circuit board 430 can be formed of an FPCB, but the circuit board 430 is not limited to being formed of an FPCB.

[0075] The circuit board 430 can be disposed along the outer surface of the module housing 410. The circuit board 430 can be formed in various shapes and can be coupled to the module housing 410, and at least a portion of the circuit board 430 can be disposed to cover the openings 414 (including the first opening 414a and the second opening 414b) of the module housing 410.

[0076] The circuit board 430 can be a board including components for optical image stabilization (OIS) to correct jitter (such as the user's hand jitter), and can include a gyro sensor for detecting hand jitter. In addition, a driver IC for supplying a drive signal to the driver 160 ( Figure 5 ) can be included in the circuit board 430.

[0077] Figure 4 is a perspective view showing the optical path changing module 100 according to an embodiment. Figure 5 is a perspective view showing the optical path changing module 100 as viewed from below. Figure 6 is an exploded perspective view showing the optical path changing module 100. Figure 7 is along Figure 4 The cross-sectional view taken along the line I-I' in. Figure 8 is along Figure 4 The cross-sectional view taken along the line II-II' in.

[0078] Referring to Figures 4 to 8 , the optical path changing module 100 can include, for example, a reflection member 110, a first rotating bracket 120 on which the reflection member 110 is mounted, a second rotating bracket 130 configured to support the first rotating bracket 120, and a driver 160.

[0079] The reflection member 110 can change the traveling direction of light. For example, a mirror or a prism that can reflect light can be used as the reflection member 110.

[0080] The reflection member 110 can be fixed to the first rotating bracket 120. To this end, the first rotating bracket 120 can include a mounting surface 121 on which the reflection member 110 is mounted, as Figure 6 shown.

[0081] The mounting surface 121 of the first rotating bracket 120 can be configured as an inclined surface. For example, the mounting surface 121 can be an inclined surface that is inclined 45° with respect to the optical axis (Z-axis) of a plurality of lenses.

[0082] The first rotating bracket 120 can be coupled to the second rotating bracket 130 so as to be movable within the second rotating bracket 130. For example, the first rotating bracket 120 can rotate within the second rotating bracket 130 about a first axis (Y-axis). That is, the first rotating bracket 120 can rotate about the first axis (Y-axis) relative to the second rotating bracket 130. Accordingly, the reflecting member 110 can rotate about the first axis (Y-axis) together with the first rotating bracket 120.

[0083] For example, a first rotation axis P1 that can be the rotation axis of the first rotating bracket 120 and a second rotation axis P2 that can be the rotation axis of the second rotating bracket 130 can be set perpendicular to each other. In addition, the first rotation axis P1 and the second rotation axis P2 can be set to intersect each other. The configuration in which the first rotation axis P1 and the second rotation axis P2 can be set to intersect each other can be a configuration in which the first rotation axis P1 and the second rotation axis P2 meet at at least a single point.

[0084] In addition, the first rotation axis P1 and the second rotation axis P2 can be arranged to pass through the reflection point of the reflecting member 110, at which the light L incident on the optical path changing module 100 is refracted.

[0085] In addition, the second rotating bracket 130 can rotate within the module housing 410 about a second axis (X-axis). Accordingly, the first rotating bracket 120 and the reflecting member 110 can also rotate about the second axis (X-axis) according to the movement of the second rotating bracket 130.

[0086] In an exemplary embodiment, the first axis (Y-axis) and the second axis (X-axis) can be axes perpendicular to the optical axis (Z-axis), and the first axis (Y-axis) and the second axis (X-axis) can be axes perpendicular to each other.

[0087] In the first rotating bracket 120, a shaft coupling portion 124 can be provided on the rear surface of the mounting surface 121. The shaft coupling portion 124 can be a portion on which the first rotation axis P1 that can be the rotation axis of the first rotating bracket 120 is provided, and can be rotatably coupled to the second rotating bracket 130.

[0088] The first rotation axis P1 can be set to pass through the reflecting member 110. More specifically, the first rotation axis P1 can be formed as a virtual axis passing through the shaft coupling portion 124 and the reflecting member 110.

[0089] The second rotating bracket 130 can be set to rotate within the module housing 410 about the second axis (X-axis). Accordingly, the first rotating bracket 120 and the reflecting member 110 can rotate about the second axis (X-axis) together with the second rotating bracket 130.

[0090] The second rotating bracket 130 may be coupled to the first rotating bracket 120 to surround the first rotating bracket 120. The second rotating bracket 130 may include side portions 131 respectively disposed on two side surfaces of the first rotating bracket 120 and a connecting portion 133 connecting the two side portions 131 to each other.

[0091] Since the first rotating bracket 120 may need to rotate about the first rotation axis P1 in the second rotating bracket 130, the first rotating bracket 120 may be spaced apart from the side portions 131 by a predetermined distance to prevent interference therebetween. Accordingly, the distance between the two side portions 131 may be configured to be greater than the width of the first rotating bracket 120.

[0092] The second rotation axis P2 may be formed by rotation axes that may be provided on the two side portions 131 of the second rotating bracket 130.

[0093] The second rotation axis P2 may be formed as a virtual axis passing through the two side portions 131 and the module housing 410. For example, the second rotation axis P2 may be formed in a direction perpendicular to the side portions 131.

[0094] The second rotating bracket 130 may include a bracket support portion 134 that protrudes from the connecting portion 133 toward one side of the first rotating bracket 120. To provide a space in which the first rotating bracket 120 may rotate, the bracket support portion 134 may protrude from the connecting portion 133 by a predetermined distance, and the first rotation axis P1 may be provided at an end of the bracket support portion 134.

[0095] The bracket support portion 134 may be disposed below the shaft coupling portion 124 and may be spaced apart from the shaft coupling portion 124 by a predetermined distance. The first elastic support portion 180a ( Figures 6 to 8 ) may be disposed between the bracket support portion 134 and the shaft coupling portion 124.

[0096] The first shaft 183a may be fastened to the bracket support portion 134. Accordingly, a fastening hole 135 to which the first shaft 183a is fastened may be provided in the bracket support portion 134 along the first rotation axis P1.

[0097] The elastic support portion 180 may include a first elastic support portion 180a, a second elastic support portion 180b, and a third elastic support portion 180c.

[0098] In an exemplary embodiment, the first rotating bracket 120 may be coupled to the second rotating bracket 130 through the first elastic support portion 180a. In addition, the second rotating bracket 130 may be coupled to the module housing 410 through the second elastic support portion 180b and the third elastic support portion 180c.

[0099] The first elastic support portion 180a, the second elastic support portion 180b, and the third elastic support portion 180c may have a similar basic configuration and may differ only in the shapes of their respective first brackets 181a, second brackets 181b, and third brackets 181c.

[0100] Therefore, the third elastic support portion 180c including only the basic configuration will be described first. The detailed configuration of the third elastic support portion 180c can be similarly applied to the first elastic support portion 180a and the second elastic support portion 180b.

[0101] Figure 9 is an enlarged perspective view showing the illustrated third elastic support portion 180c. Figure 10 is an exploded perspective view showing the third elastic support portion 180c.

[0102] Refer to together Figure 9 and Figure 10 The third elastic support portion 180c may include a third bracket 181c, a third shaft 183c, and a third elastic member 185c.

[0103] The third bracket 181c may be inserted and disposed in the side portion 131 of the second rotary bracket 130 and may be formed in a hollow annular shape.

[0104] The third elastic member 185c may be disposed in the third bracket 181c. If the third elastic member 185c protrudes outward from the third bracket 181c, interference with other elements may occur. Therefore, the entire third elastic member 185c may be disposed in the internal space of the third bracket 181c, and for this purpose, the width of the third bracket 181c may be equal to or wider than the width of the third elastic member 185c.

[0105] A space in the shape of a through hole may be formed in the third bracket 181c, and the third shaft 183c may be disposed at the center of the internal space of the third bracket 181c.

[0106] The third shaft 183c may be formed in a rod shape and may be disposed at the center of the third bracket 181c by penetrating the internal space of the third bracket 181c. In this case, the third shaft 183c may be disposed along the second rotation axis P2.

[0107] The third shaft 183c may be coupled to the third bracket 181c through the third elastic member 185c. Therefore, the third shaft 183c may not contact the third bracket 181c through the third elastic member 185c and may maintain a gap from the third bracket 181c.

[0108] A plurality of third elastic members 185c may be provided, and one end of each of the third elastic members 185c may be fastened to the third shaft 183c, and the other end of each of the third elastic members 185c may be fastened to the third bracket 181c to provide an elastic force to the third shaft 183c or the third bracket 181c. To this end, insertion grooves 182 and 184 coupled to the third elastic members 185c may be provided on the inner circumferential surface of the third bracket 181c and the outer circumferential surface of the third shaft 183c, respectively. As Figure 9 and Figure 10 shown, the insertion grooves 182 and 184 may be formed in a slit shape corresponding to the thickness of the third elastic member 185c. Accordingly, when the shape of the third elastic member 185c changes, the shapes of the insertion grooves 182 and 184 may also change.

[0109] The plurality of third elastic members 185c may be spaced apart from each other by a constant distance. For example, the plurality of third elastic members 185c may be radially provided about a second rotation axis P2 on which the third shaft 183c is provided, and may connect the third shaft 183c to the third bracket 181c.

[0110] The third elastic member 185c may be formed by bending a plate-shaped member such as a metal plate at at least one position. Accordingly, when an external force acts in a direction in which the bent portion is unfolded or folded, the third elastic member 185c may provide a restoring force corresponding to the external force. For example, the third elastic member 185c may be bent such that both ends may form an acute angle, and may be formed of a metal, alloy, or engineering plastic material.

[0111] However, the third elastic member 185c is not limited to the above-described shape, and may have various shapes as long as the third elastic member 185c can provide an elastic force between the third bracket 181c and the third shaft 183c. For example, a torsion spring may be used as the third elastic member 185c.

[0112] When the third bracket 181c is inserted into the insertion hole 132 of the side portion 131, the third elastic support portion 180c configured as described above may be coupled to the side portion 131. In addition, the third shaft 183c may be provided along the second rotation axis P2 at a position spaced apart from the first rotation bracket 120 by a predetermined distance, and one end of the third shaft 183c may be coupled to the module housing 410.

[0113] Accordingly, when the second rotation bracket 130 rotates about the second rotation axis P2, the third bracket 181c may rotate together with the second rotation bracket 130, and the third shaft 183c fastened to the module housing 410 may not rotate. Accordingly, the third elastic member 185c may be elastically deformed by the displacement of the rotation of the second rotation bracket 130.

[0114] Figure 11 is an enlarged perspective view showing the first elastic support part 180a. Figure 12 is an exploded perspective view showing the first elastic support part 180a.

[0115] Referring together Figure 11 and Figure 12 , the first elastic support part 180a may include a first bracket 181a, a first shaft 183a, and a first elastic member 185a. The basic configurations of the first bracket 181a, the first shaft 183a, and the first elastic member 185a may be the same as the basic configurations of the third bracket 181c, the third shaft 183c, and the third elastic member 185c, respectively. Therefore, descriptions of the same configurations will not be provided.

[0116] In the first elastic support part 180a, the first bracket 181a may be fastened to the shaft coupling part 124 of the first rotating bracket 120. Specifically, the first bracket 181a may be coupled to the lower surface of the shaft coupling part 124. In this case, the first shaft 183a may not contact the shaft coupling part 124 and may be spaced apart from the shaft coupling part 124 by a predetermined distance.

[0117] The first shaft 183a may be disposed along the first rotation axis P1, and one end of the first shaft 183a may be fastened to the bracket support part 134 of the second rotating bracket 130. In addition, the first elastic member 185a may be radially disposed around the first shaft 183a, and each of the first elastic members 185a may have one end fixedly connected to one end of the first shaft 183a and the other end fixedly connected to the first bracket 181a.

[0118] Therefore, when the first rotating bracket 120 rotates about the first rotation axis P1, the first bracket 181a may rotate together with the first rotating bracket 120, and the first shaft 183a fastened to the second rotating bracket 130 may not rotate. Therefore, the first elastic member 185a may be elastically deformed by the displacement of the rotation of the first rotating bracket 120.

[0119] The first bracket 181a may include a first seating part 188a on which the first driver 140 of the driver 160 is disposed.

[0120] The first seating part 188a may be formed to partially block the through hole of the first bracket 181a and may form a space in which the first magnet part 141 is seated. Therefore, the first seating part 188a may have various shapes as long as the first magnet part 141 can be stably seated therein.

[0121] As Figures 4 to 8As shown, the second elastic support part 180b may include a second bracket 181b, a second shaft 183b, and a second elastic member 185b. The second elastic support part 180b may be configured to be similar to the third elastic support part 180c and may be coupled to a side portion 131 that is disposed opposite to the side portion 131 to which the third elastic support part 180c is coupled.

[0122] In the second elastic support part 180b, similar to the third elastic support part 180c, the second bracket 181b may be fastened to the side portion 131 of the second rotating bracket 130, and the second shaft 183b may be received in the second bracket 181b and may be coupled to the module housing 410 along the second rotation axis P2. In addition, the second elastic members 185b may be radially disposed around the second shaft 183b, and each of the second elastic members 185b may have one end fixed and connected to the second shaft 183b and the other end fixed and coupled to the second bracket 181b.

[0123] Thus, when the second rotating bracket 130 rotates about the second rotation axis P2, the second bracket 181b may rotate together with the second rotating bracket 130, and the second shaft 183b fastened to the module housing 410 may not rotate. Accordingly, the second elastic members 185b may be elastically deformed by the displacement of the second rotating bracket 130 rotating.

[0124] Similar to the first elastic support part 180a, the second bracket 181b may include a second seating part 188b in which the second driver 150 of the driver 160 is disposed.

[0125] The second seating part 188b may be formed to partially block the through hole of the second bracket 181b and may serve as a space in which the second magnet part 151 is seated. Accordingly, the second seating part 188b may have various shapes as long as the second magnet part 151 can be stably seated in the second seating part 188b.

[0126] In an example, the driver 160 may not be disposed on the side portion 131 on which the third elastic support part 180c is disposed. Accordingly, the third elastic support part 180c may not include an element corresponding to the second seating part 188b. However, the present disclosure is not limited to this example, and when the driver 160 is additionally disposed on the side portion 131 on which the third elastic support part 180c is disposed, the third elastic support part 180c may be configured to be the same as or similar to the second elastic support part 180b.

[0127] In the optical path changing module 100, the first axis 183a, the second axis 183b, and the third axis 183c can be connected to the first bracket 181a, the second bracket 181b, and the third bracket 181c through the first elastic member 185a, the second elastic member 185b, and the third elastic member 185c, respectively. Therefore, the first rotating bracket 120 can be substantially connected to the second rotating bracket 130 through the first elastic member 185a, and the second rotating bracket 130 can be connected to the module housing 410 through the second elastic member 185b and the third elastic member 185c.

[0128] Therefore, the first rotating bracket 120 may not be fixed or fastened to the second rotating bracket 130, and may be coupled to be movable within the elastic deformation range of the first elastic member 185a, and the second rotating bracket 130 may not be fixed or fastened to the module housing 410, and may be coupled to be movable within the elastic deformation ranges of the second elastic member 185b and the third elastic member 185c.

[0129] Therefore, when an external force acts, the first axis 183a, the second axis 183b, and the third axis 183c can linearly and rotationally move within the first bracket 181a, the second bracket 181b, and the third bracket 181c, respectively. For example, in the case of the first elastic support portion 180a, the first axis 183a can rotate about the Y-axis, which is the first rotation axis P1, and can linearly move along the X-Z plane. Similarly, in the case of the second elastic support portion 180b and the third elastic support portion 180c, the second axis 183b and the third axis 183c can rotate about the X-axis, which is the second rotation axis P2, and can linearly move along the Y-Z plane.

[0130] The driver 160 can provide a driving force such that the first rotating bracket 120 can rotate about the first axis, and the second rotating bracket 130 can rotate about the second axis.

[0131] Refer to Figure 5 、 Figure 6 and Figure 8 , for example, the driver 160 can include a first magnet portion 141, a second magnet portion 151, a first coil portion 142 spaced apart from the first magnet portion 141, and a second coil portion 152 spaced apart from the second magnet portion 151. The first magnet portion 141 and the first coil portion 142 face each other, and the second magnet portion 151 and the second coil portion 152 face each other.

[0132] When power is applied to the first coil portion 142 or the second coil portion 152, the first rotary bracket 120 on which the first magnet portion 141 is mounted or the second rotary bracket 130 on which the second magnet portion 151 is mounted can rotate about the first axis (Y-axis) or the second axis (X-axis).

[0133] For example, the driver 160 may include a first driver 140 for rotating the first rotary bracket 120 and a second driver 150 for rotating the second rotary bracket 130.

[0134] The first driver 140 may include a first magnet portion 141 mounted on the first elastic support portion 180a and a first coil portion 142 arranged to face the first magnet portion 141.

[0135] The first magnet portion 141 may include one or more magnets and may be coupled to a first mounting portion 188a forming the lower surface of the first bracket 181a.

[0136] The first coil portion 142 may include one coil or a plurality of coils, and as Figure 7 shown, may be mounted on the circuit board 430 at a position facing the first magnet portion 141. To this end, a first opening 414a may be formed in the module housing 410 in a region facing the first magnet portion 141, and at least a part of the circuit board 430 may cover the first opening 414a. In addition, at least a part of the first coil portion 142 may be disposed in the first opening 414a of the module housing 410.

[0137] A yoke 143 may be disposed between the first magnet portion 141 and the first mounting portion 188a to form an effective magnetic circuit. The yoke 143 may be formed of a metallic material and may cause the flow of a magnetic field, thereby enhancing the intensity of the magnetic field.

[0138] The second driver 150 may include a second magnet portion 151 mounted on the second elastic support portion 180b and a second coil portion 152 arranged to face the second magnet portion 151.

[0139] In the illustrated embodiment, the second driver 150 may be mounted only on one of the two side portions 131. However, the present disclosure is not limited to this configuration, and the second driver 150 may be mounted on the two side portions 131.

[0140] The second magnet portion 151 may include one or more magnets and may be coupled to a second mounting portion 188b of the second bracket 181b.

[0141] The second coil portion 152 may include one or more coils and may be mounted on the circuit board 430 at a position opposite to the second magnet portion 151. To this end, the second opening 414b may be formed in the module housing 410 in a region opposite to the second magnet portion 151, and at least a portion of the circuit board 430 may cover the second opening 414b of the module housing 410. In addition, at least a portion of the second coil portion 152 may be disposed in the second opening 414b.

[0142] Similar to the first driver 140, a yoke 153 may be disposed between the second magnet portion 151 and the second mounting portion 188b to form an effective magnetic circuit.

[0143] The camera module 400 may rotate the optical path changing module 100 to compensate for image blur or video jitter caused by factors such as hand jitter of a user during image or video acquisition.

[0144] For example, when jitter occurs due to hand jitter of a user during image or video acquisition, a relative displacement corresponding to the jitter may be provided to the first rotating bracket 120 and the second rotating bracket 130, thereby compensating for the jitter.

[0145] As described above, the OIS function may be achieved by rotating the relatively lightweight reflection member 110 instead of directly moving the lens module 200 or the image sensor 310. Therefore, the power consumption of the camera module 400 may be reduced.

[0146] In addition, in the optical path changing module 100, the first rotation axis P1 may be disposed below the mounting surface 121 on which the reflection member 110 is mounted. In addition, the first rotation axis P1 and the second rotation axis P2 may be disposed to intersect each other. Therefore, the rotation radius of the reflection member 110 may be reduced, so that the size of the camera module 400 may be reduced.

[0147] In addition, since the first rotating bracket 120 may be connected to the second rotating bracket 130 through the first elastic member 185a, and the second rotating bracket 130 may be connected to the module housing 410 through the second elastic member 185b and the third elastic member 185c, even when an external impact is applied, the impact may be absorbed by the buffering action of the first elastic member 185a, the second elastic member 185b, and the third elastic member 185c. Therefore, breakage of the rotation axis caused by the impact may be reduced.

[0148] In addition, when the first rotary bracket 120 or the second rotary bracket 130 is rotated by the driver 160, the first elastic member 185a of the first elastic support portion 180a, the second elastic member 185b of the second elastic support portion 180b, and the third elastic member 185c of the third elastic support portion 180c can be elastically deformed. Therefore, when the driving force of the driver 160 is removed, the first rotary bracket 120 or the second rotary bracket 130 can quickly return to its original position by the restoring forces of the first elastic member 185a, the second elastic member 185b, and the third elastic member 185c. Accordingly, the power consumption of the camera module 400 can be reduced.

[0149] The first driver 140 may be disposed below the first rotary bracket 120, and the second driver 150 may be disposed on the side surface of the second rotary bracket 130. However, the present disclosure is not limited to this configuration. The driver 160 may be disposed at various positions as long as the first rotary bracket 120 can rotate along the first rotation axis P1 and the second rotary bracket 130 can rotate along the second rotation axis P2. For example, the first driver 140 may be disposed between the shaft coupling portion 124 and the connection portion 133. In this case, the first magnet portion 141 and the first coil portion 142 may be disposed on the surfaces where the connection portion 133 and the shaft coupling portion 124 can face each other.

[0150] The present disclosure is not limited to the above-described exemplary embodiments and various modifications can be made.

[0151] Figure 13 is an exploded perspective view showing a part of the camera module 1000-1 according to an embodiment. Figure 14 is showing Figure 13 the optical path changing module 100-1 shown. Figure 15 is a perspective view showing the optical path changing module 100-1. Figure 16 is an exploded perspective view showing the optical path changing module 100-1. Figure 17 is along Figure 14 the line III-III' in Figure 18 is along Figure 14 the line IV-IV' in

[0152] Referring to Figures 13 to 18 , the optical path changing module 100-1 may be configured similarly to the optical path changing module 100 of the foregoing embodiment except that the first elastic member 195a, the second elastic member 195b, and the third elastic member 195c may also provide the function of the driver.

[0153] The optical path changing module 100-1 may not include the magnet part and the coil part included in the driver 160 in the foregoing embodiment, and may be configured to supply current to the first elastic member 195a, the second elastic member 195b, and the third elastic member 195c.

[0154] To this end, the first connection plate 197a may be coupled to the first elastic support part 190a, the second connection plate 197b may be coupled to the second elastic support part 190b, and the third connection plate 197c may be coupled to the third elastic support part 190c.

[0155] Figure 19 is an enlarged perspective view showing the illustrated first elastic support part 190a. Figure 20 is an exploded perspective view showing the first elastic support part 190a.

[0156] Referring together Figure 19 and Figure 20 , the first bracket 191a of the first elastic support part 190a may include a plurality of conductive terminals 198, and each of the first elastic members 195a may be coupled to a corresponding conductive terminal 198.

[0157] The conductive terminal 198 may be formed in a cylindrical shape and may be inserted and fixed to the first bracket 191a. However, the conductive terminal 198 is not limited to the cylindrical shape, and the conductive terminal 198 may be modified in various forms as long as the conductive terminal 198 can be firmly fastened to the first bracket 191a and can electrically connect the first elastic member 195a to the first connection plate 197a.

[0158] The conductive terminals 198 may be arranged side by side with the first shaft 193a and may be spaced apart from each other by a predetermined distance on the first bracket 191a. One end of the first elastic member 195a may be coupled to the first shaft 193a and may be inserted into the insertion groove 194 of the first shaft 193a.

[0159] The other end of the first elastic member 195a may be coupled to the conductive terminal 198 instead of the first bracket 191a. Accordingly, the conductive terminal 198 may include an insertion groove 192 into which the other end of the first elastic member 195a is inserted. The insertion groove 192 of the conductive terminal 198 may be formed in a slit shape similar to the insertion groove 194 of the first shaft 193a.

[0160] The first connection plate 197a can be connected to the first bracket 191a, and one end of the conductive terminal 198 can be coupled to the first connection plate 197a. The first connection plate 197a can be electrically connected to the circuit board 430 to supply current to the first elastic member 195a through the conductive terminal 198. The conductive terminal 198 can be electrically connected to the circuit board 430 through connection lines 199a and 199b, as Figure 17 shown.

[0161] Since one side of the first bracket 191a is connected to the shaft coupling portion 124, the first connection plate 197a can be connected to the other side of the first bracket 191a. In addition, the conductive terminal 198 can be coupled to the first connection plate 197a by penetrating the first bracket 191a.

[0162] Since the first shaft 193a is disposed in the first connection plate 197a, an opening or groove in which the first shaft 193a is disposed can be provided in the first connection plate 197a.

[0163] Figure 21 is a perspective view showing the third elastic support portion 190c. Figure 22 is an exploded perspective view showing the third elastic support portion 190c.

[0164] The second elastic support portion 190b and the third elastic support portion 190c can be configured to be the same and can have a structure that is vertically symmetric with respect to each other about the first rotation axis P1. Therefore, the detailed configuration of the second elastic support portion 190b will also be described with reference to the Figure 21 and Figure 22 shown.

[0165] Similar to the first elastic support portion 190a described above, the second elastic support portion 190b and the third elastic support portion 190c can include the conductive terminal 198, and the second elastic member 195b and the third elastic member 195c can be respectively fastened to the corresponding conductive terminals 198. In addition, the second connection plate 197b and the third connection plate 197c can be respectively connected to the outer surfaces of the second bracket 191b and the third bracket 191c and can face the module housing 410.

[0166] Since the second shaft 193b and the third shaft 193c are respectively disposed in the second connection plate 197b and the third connection plate 197c, openings or grooves in which the second shaft 193b and the third shaft 193c are disposed can be respectively provided in the second connection plate 197b and the third connection plate 197c.

[0167] In an exemplary embodiment, the first elastic member 195a, the second elastic member 195b, and the third elastic member 195c respectively provided in the first elastic support portion 190a, the second elastic support portion 190b, and the third elastic support portion 190c may be formed of a shape memory alloy. In this case, when an electric current is applied to the first elastic member 195a, the second elastic member 195b, and the third elastic member 195c, the first elastic member 195a, the second elastic member 195b, and the third elastic member 195c may deform in a direction in which their lengths decrease or increase, and when the supply of the electric current is stopped, the first elastic member 195a, the second elastic member 195b, and the third elastic member 195c may return to their original states.

[0168] Therefore, the optical path changing module 100-1 may control the electric current by using the characteristics of the shape memory alloy as described above to rotate the first rotating bracket 120 or the second rotating bracket 130.

[0169] To this end, the circuit board 430 may be electrically connected to the first elastic member 195a, the second elastic member 195b, and the third elastic member 195c, and may supply an electric current to the first elastic member 195a, the second elastic member 195b, and the third elastic member 195c. For example, the conductive terminal 198 may be electrically connected to the circuit board 430 through the first connection line 199a, and the first shaft 193a, the second shaft 193b, and the third shaft 193c may be electrically connected to the circuit board 430 through the second connection line 199b.

[0170] The first connection line 199a and the second connection line 199b may be formed of a wire that may be stretched according to the rotation of the first rotating bracket 120 or the second rotating bracket 130. For example, the first connection line 199a and the second connection line 199b may be formed in the form of a coil and may be formed of a wire that can be elastically stretched. However, the first connection line 199a and the second connection line 199b are not limited to the above examples, and various modifications may be made, such as forming the first connection line 199a and the second connection line 199b in the form of a flexible printed circuit board.

[0171] Each of the first elastic support portion 190a, the second elastic support portion 190b, and the third elastic support portion 190c may include three conductive terminals 198 and a single shaft (the first shaft 193a, the second shaft 193b, and the third shaft 193c respectively). Therefore, each of the first elastic support portion 190a, the second elastic support portion 190b, and the third elastic support portion 190c may include three first connection lines 199a and a single second connection line 199b.

[0172] The three first connection lines 199a can be configured as signal lines to which current signals are input, and the single second connection line 199b can be a common line or a ground line. Thus, the optical path changing module 100-1 can selectively apply signals to the first elastic member 195a, the second elastic member 195b, and the third elastic member 195c through the three first connection lines 199a, or can apply different signals to the first elastic member 195a, the second elastic member 195b, and the third elastic member 195c, respectively.

[0173] Therefore, the first elastic member 195a, the second elastic member 195b, and the third elastic member 195c can be deformed into the same shape or different shapes according to the applied signals, and the first shaft 193a, the second shaft 193b, and the third shaft 193c can be moved or rotated.

[0174] The optical path changing module 100-1 can rotate the first rotating bracket 120 and the second rotating bracket 130 through the first elastic support portion 190a, the second elastic support portion 190b, and the third elastic support portion 190c without a separate driver. Thus, compared with the optical path changing module including a separate driver, the weight of the optical path changing module 100-1 is reduced. In addition, since no magnet and coil are included in the optical path changing module 100-1, electromagnetic interference can be reduced.

[0175] Each of the first elastic support portion 190a, the second elastic support portion 190b, and the third elastic support portion 190c may include three elastic members (the three first elastic members 195a, the three second elastic members 195b, and the three third elastic members 195c, respectively) as an example, but the present disclosure is not limited to this configuration. For more precise control, four or more elastic members may be included in each of the first elastic support portion 190a, the second elastic support portion 190b, and the third elastic support portion 190c. In this case, a corresponding number of conductive terminals 198 and first connection lines 199a can be provided.

[0176] The present disclosure is not limited to the examples described herein, and various changes or modifications can be made. For example, in the above embodiment, the first bracket is connected to the first rotating bracket, and the first shaft is connected to the second rotating bracket. However, in an alternative embodiment, the first bracket may be coupled to the second rotating bracket, and the first shaft may be coupled to the first rotating bracket. Similarly, the second elastic support portion and the third elastic support portion can be configured to couple the second bracket and the third bracket to the module housing and couple the second shaft and the third shaft to the second rotating bracket.

[0177] According to the above exemplary embodiments, while implementing functions such as autofocus adjustment, zoom, and optical image stabilization, the optical path changing module and the camera module can have a simplified structure, can have a reduced size, and can reduce power consumption.

[0178] Although the present disclosure includes specific examples, it will be apparent after understanding the disclosure of the present application that various changes in form and detail can be made to these examples without departing from the spirit and scope of the claims and their equivalents. The examples described in this application are to be understood in a descriptive sense only and not for purposes of limitation. The description of the features or aspects in each example should be considered to be applicable to similar features or aspects in other examples. Appropriate results can still be achieved if the described techniques are performed in a different order, and / or if the described components of the system, architecture, device, or circuit are combined in a different manner and / or replaced or supplemented by other components or their equivalents. Therefore, the scope of the present disclosure is not limited by the specific embodiments, but is defined by the claims and their equivalents, and all variations within the scope of the claims and their equivalents should be understood to be included in the present disclosure.

Claims

1. Optical path changing module, comprising: A first rotating bracket, on the mounting surface of which a reflecting member configured to change the optical path is mounted; A second rotating bracket, supporting the first rotating bracket; And A first elastic supporting portion, disposed between the first rotating bracket and the second rotating bracket, Wherein, the first elastic supporting portion includes: A first shaft, disposed along a first rotation axis that is the rotation axis of the first rotating bracket, and fastened to either the first rotating bracket or the second rotating bracket; A first bracket, fastened to the other of the first rotating bracket and the second rotating bracket, and accommodating the first shaft therein; and A plurality of first elastic members, radially disposed around the first shaft, and connecting the first shaft to the first bracket.

2. The optical path changing module according to claim 1, wherein The first rotation axis extends through the reflecting member.

3. The optical path changing module according to claim 1, wherein Each of the plurality of first elastic members is formed as a plate-shaped member, and the end of each of the plurality of first elastic members is bent to form an acute angle.

4. The optical path changing module according to claim 1, wherein One end of each of the plurality of first elastic members is coupled to the first shaft, and the other end of each of the plurality of first elastic members is coupled to the first bracket.

5. The optical path changing module according to claim 4, further comprising: A conductive terminal, coupled to the first bracket, Wherein, the other end of each of the plurality of first elastic members is connected to a corresponding one of the conductive terminals.

6. The optical path changing module according to claim 5, wherein, The plurality of first elastic members are formed of a shape memory alloy.

7. The optical path changing module according to claim 6, further comprising: A circuit board, electrically connected to the conductive terminal and configured to supply current to the plurality of first elastic members.

8. The optical path changing module according to claim 1, wherein, The first rotating bracket includes a mounting surface on which the reflecting member is mounted and a shaft coupling portion disposed on the rear surface of the mounting surface and coupled to the first elastic supporting portion.

9. The optical path changing module according to claim 8, wherein, The second rotating bracket includes two side portions respectively disposed on opposite sides of the first rotating bracket and a connecting portion connecting the two side portions, and Wherein, a virtual axis passing through the two side portions is disposed along a second rotation axis that is the rotation axis of the second rotating bracket.

10. The optical path changing module according to claim 9, further comprising: A module housing, accommodating the second rotating bracket; And A circuit board, coupled to the module housing, Wherein, the second rotating bracket is coupled to the module housing such that the second rotating bracket is configured to rotate relative to the module housing along the second rotation axis.

11. The optical path changing module according to claim 10, further comprising: A second elastic supporting portion, disposed between the second rotating bracket and the module housing, Wherein, the second elastic supporting portion includes: A second shaft, disposed along the second rotation axis and coupled to either the second rotating bracket or the module housing; A second bracket, fastened to the other of the second rotating bracket and the module housing, and accommodating the second shaft therein; and A plurality of second elastic members, connecting the second shaft to the second bracket.

12. The optical path changing module according to claim 11, further comprising: A second driver configured to rotate the second rotating bracket about the second rotation axis, wherein the second driver includes: A second magnet portion coupled to the second bracket; and A second coil portion arranged to face the second magnet portion, spaced apart from the second magnet portion, and coupled to the circuit board.

13. The optical path changing module according to claim 1, further comprising: A first driver configured to rotate the first rotating bracket about the first rotation axis.

14. The optical path changing module according to claim 13, wherein, The first driver includes: A first magnet portion coupled to the first bracket; and A first coil portion arranged to face the first magnet portion and spaced apart from the first magnet portion.

15. A camera module, comprising: An optical path changing module including a rotating bracket, on which a reflecting member configured to change the path of light is mounted on the mounting surface; A module housing that houses the optical path changing module; And An elastic support portion that connects the rotating bracket to the module housing, wherein the elastic support portion includes: A shaft disposed along the rotation axis of the rotating bracket and fastened to either the rotating bracket or the module housing; A bracket fastened to the other of the rotating bracket and the module housing and accommodating the shaft therein; and A plurality of elastic members radially disposed around the shaft, with one end of each of the plurality of elastic members fastened to the shaft and the other end of each of the plurality of elastic members fastened to the bracket.

16. The camera module according to claim 15, further comprising: A lens module housed in the module housing and including a lens; and An image sensor module configured to convert light passing through the lens into an electrical signal.

17. A camera module, comprising: A module housing; An optical path changing module disposed in the internal space of the module housing and including a first rotating bracket, on which a reflecting member configured to change the path of light is mounted; A first shaft coupled to the module housing and forming the rotation axis of the first rotating bracket; A first annular bracket mounted in an opening in the first rotating bracket and disposed around the first shaft; And A plurality of first elastic members extending radially outward from the first shaft to the first annular bracket and connecting the first rotating bracket to the first shaft.

18. The camera module according to claim 17, wherein, One end of each of the plurality of first elastic members is connected to the first shaft, and the other end of each of the plurality of first elastic members is connected to the first rotating bracket.

19. According to the camera module of claim 17, Among them, One end of each of the plurality of first elastic members is connected to the first shaft, and the other end of each of the plurality of first elastic members is connected to the first annular bracket.

20. The camera module according to claim 17, further comprising: A second rotating bracket mounted on the first rotating bracket and including a mounting surface on which the reflecting member is mounted; A second shaft, coupled to the first rotating bracket and forming a rotating shaft of the second rotating bracket, the rotating shaft of the second rotating bracket being perpendicular to the rotating shaft of the first rotating bracket; and a plurality of second elastic members, extending radially outward from the second shaft and connecting the second rotating bracket to the second shaft.

21. The camera module according to claim 20, wherein, One end of each of the plurality of second elastic members is connected to the second shaft, and the other end of each of the plurality of second elastic members is connected to the second rotating bracket.

22. The camera module according to claim 20, further comprising a second annular bracket, the second annular bracket being attached to the second rotating bracket and disposed around the second shaft, Among them, One end of each of the plurality of second elastic members is connected to the second shaft, and the other end of each of the plurality of second elastic members is connected to the second annular bracket.

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