Camera actuator and camera module including same

Abstract

The embodiment of the invention provides a camera actuator. The camera actuator comprises a shell; a mover including a holder and an optical member disposed on the holder; a driving unit for moving the mover; and a tilt guide unit provided between the housing and the mover to guide a tilt of the mover. The housing includes a housing wall portion disposed on a side portion corresponding to the light emission surface of the optical member, the optical member changing the optical path from the first direction to a second direction, and the housing wall portion at least partially overlaps the holder along the second direction.

Description

Technical Field

[0001] The present disclosure relates to a camera actuator and a camera module including the camera actuator. Background Art

[0002] A camera is a device that captures an image or video of an object, and is mounted on a portable device, a drone, a vehicle, etc. In order to improve image quality, the camera module may have an image stabilization (IS) function for compensating for or preventing image shaking caused by the movement of the user, an auto focus (AF) function for automatically adjusting the distance between the image sensor and the lens to align the focus of the lens, and a zoom function for photographing a distant object by increasing or reducing the magnification using a zoom lens.

[0003] However, when performing the anti-shake function in the camera module, a collision absorbing structure is required to suppress damage to the mover due to collision, etc. In addition, a structure capable of easily controlling the moving radius of the mover is required, and there is a growing demand for preventing foreign matter from entering the camera module, suppressing leakage magnetic flux, and increasing posture retention.

[0004] In addition, when all of the zoom function, AF function, and OIS function are included in a camera module, since a portion of light leaves an effective area according to a change in an optical path of the OIS, a problem such as glare may occur. Summary of the invention

[0005] Technical issues

[0006] An object of the present disclosure to solve the technical problem is to provide a camera actuator and a camera device having improved reliability due to absorption of a shock occurring during OIS driving.

[0007] In addition, the present disclosure can provide a camera actuator and a camera device that can easily prevent inflow of foreign matter.

[0008] In addition, the present disclosure can provide a camera actuator and a camera device that suppress leakage magnetic flux and improve holding force.

[0009] In addition, the present disclosure may provide a camera actuator and a camera device with minimized glare generation.

[0010] In addition, the present disclosure may provide a camera actuator that minimizes optical problems generated by optical members in an OIS camera actuator and a camera device including the same.

[0011] Another object of the present disclosure to solve the technical problem is to provide a camera actuator that can be applied to an ultra-thin, ultra-small, and high-resolution camera.

[0012] The problems to be solved in the embodiments are not limited thereto, and it can be said that purposes or effects that can be grasped from the following problems or solutions of the embodiments are also included.

[0013] Technical Solution

[0014] A camera actuator according to an embodiment of the present disclosure includes: a housing; a mover including a holder and an optical component arranged on the holder; a driving unit for moving the mover; and a tilt guide unit arranged between the housing and the mover to guide the tilt of the mover, wherein the housing includes a housing wall portion arranged on a side corresponding to a light emitting surface of the optical component, the optical component changes an optical path from a first direction to a second direction, and the housing wall portion at least partially overlaps with the holder along the second direction.

[0015] The camera actuator may further include: a first magnet disposed in the housing; and a second magnet disposed to face the first magnet, wherein the tilt guide unit may be pressed toward the mover by a repulsive force of the first magnet and the second magnet.

[0016] The housing may include a first member disposed on one side, the mover may include a second member penetrating the first member, and the tilt guide unit may be disposed between the first member and the mover.

[0017] The first member may include a second groove on the outer side, the second member may include a first groove facing the second groove, the first magnet may be disposed in the second groove, and the second magnet may be disposed in the first groove.

[0018] The second magnet, the first magnet, and the tilt guide unit may be sequentially disposed along the second direction.

[0019] The distance between the first magnet and the second magnet may be greater than the distance between the holder and the housing wall.

[0020] The camera actuator may further include a plate disposed on an outer side of the first member.

[0021] The area of ​​the plate may be greater than the area of ​​the first member or the area of ​​the second member, and the plate may be a non-magnetic body.

[0022] The plate is a magnet, and the second magnet may have a polarity that is the same as that of the first magnet on a side facing the first magnet, and a polarity that is different from that of the plate on a side facing the plate.

[0023] The housing wall portion may not overlap with the optical component along the second direction.

[0024] The driving unit may include a first magnet, a second magnet facing the first magnet, and a third magnet disposed between the first magnet and the second magnet.

[0025] The housing wall may overlap at least one of the first magnet and the second magnet along the second direction.

[0026] The housing wall portion may not overlap with the second member in the second direction.

[0027] The housing wall may include a housing extension that extends to the top of the retainer.

[0028] The spacing between the housing extension and the retainer may be smaller than the spacing between the first member and the second member.

[0029] When the housing wall is in contact with the retainer, the first member can be separated from the second member.

[0030] The holder may include a first holder outer side surface adjacent to the first magnet and a second holder outer side surface adjacent to the second magnet, and the housing wall portion may overlap the first holder outer side surface or the second holder outer side surface in the second direction.

[0031] The housing wall may not overlap the first magnet and the second magnet in the second direction.

[0032] According to an embodiment of the present disclosure, a camera actuator includes: a shell; a mover, which includes a retainer and an optical component arranged on the retainer; a driving unit, which is used to move the mover; and a tilt guide unit, which is arranged between the shell and the mover to guide the tilt of the mover, wherein the shell may include a first component arranged on one side, the mover may include a second component passing through the first component, the camera actuator may also include a plate arranged in the first component, and the camera actuator may also include: a first magnet arranged in the first component; and a second magnet arranged in the second component to face the first magnet, wherein the tilt guide unit can be pressed toward the mover by the repulsive force of the first magnet and the second magnet.

[0033] The plate is adjacent to the second magnet, not adjacent to the first magnet, and can form an attractive force with the second magnet.

[0034] A camera actuator according to an embodiment of the present disclosure includes: a housing; a mover including a holder and an optical component arranged on the holder; and a tilt guide unit arranged between the housing and the mover to guide the tilt of the mover, wherein the holder includes an inclined surface facing the optical component and a plurality of holder grooves extending along at least one of one side or the other side of the inclined surface.

[0035] The optical member may include an incident surface, a reflective surface, and a light emitting surface in contact with the reflective surface and the incident surface.

[0036] The plurality of retainer grooves may include a first retainer groove extending along one side of the inclined surface.

[0037] The inclined surface may face the reflective surface.

[0038] The inclined surface may be disposed to be spaced apart from the reflective surface by a predetermined distance.

[0039] The first holder groove may include a first groove area overlapping with the effective area of ​​the light emitting surface and a second groove area not overlapping with the effective area of ​​the light emitting surface.

[0040] An area of ​​the first recessed region may be greater than an area of ​​the second recessed region.

[0041] The second recessed region may surround the first recessed region.

[0042] The separation distances between adjacent first retainer grooves may be the same.

[0043] The first retainer groove may include a first groove surface and a second groove surface in contact with the first groove surface.

[0044] The first groove surface may be aligned with the light emitting surface, and the second groove surface may be aligned with the incident surface.

[0045] The first distance may be greater than the second distance, the first distance may be the distance between the edge where the first groove surface meets the second groove surface and the reflective surface, and the second distance may be the minimum distance between the first groove surface or the second groove surface and the reflective surface.

[0046] An angle formed by the first groove surface and the second groove surface may be 80 to 110 degrees.

[0047] The plurality of retainer grooves may include a second retainer groove extending along another edge of the inclined surface.

[0048] The optical member may include a prism.

[0049] Beneficial Effects

[0050] According to the embodiments of the present disclosure, a camera actuator and a camera device having improved reliability due to absorption of a shock occurring during OIS driving are implemented.

[0051] In addition, the present disclosure can realize a camera actuator and a camera device that can easily prevent inflow of foreign matter.

[0052] In addition, the present disclosure can realize a camera actuator and a camera device that suppress leakage magnetic flux and improve holding force.

[0053] In addition, the present disclosure may realize a camera actuator and a camera device with minimized glare generation.

[0054] In addition, the present disclosure may realize a camera actuator that minimizes optical problems generated by optical members in an OIS camera actuator and a camera device including the same.

[0055] The technical problem to be solved by the present disclosure is to realize a camera actuator that can be applied to ultra-thin, ultra-small and high-resolution cameras.

[0056] Various beneficial advantages and effects of the present disclosure are not limited to the description provided above and will be more easily understood during the description of specific embodiments of the present disclosure. BRIEF DESCRIPTION OF THE DRAWINGS

[0057] Figure 1 is a perspective view showing a camera module according to an embodiment.

[0058] Figure 2 is an exploded perspective view showing a camera module according to an embodiment.

[0059] Figure 3 It is along Figure 1 The figure is taken along line AA'.

[0060] Figure 4 is a perspective view showing a first camera actuator according to an embodiment.

[0061] Figure 5 is an exploded perspective view showing a first camera actuator according to an embodiment.

[0062] Figure 6a is a perspective view showing a first housing of a first camera actuator according to an embodiment.

[0063] Figure 6b It shows different directions Figure 6a A perspective view of a first housing.

[0064] Figure 6c is a front view showing a first housing of a first camera actuator according to an embodiment.

[0065] Figure 6d is a rear view showing a first housing of a first camera actuator according to an embodiment.

[0066] Figure 6eis a top view showing a first housing of a first camera actuator according to an embodiment.

[0067] Figure 7a is a perspective view showing optical members of a first camera actuator according to an embodiment.

[0068] Figure 7b is a top view showing optical members of a first camera actuator according to an embodiment.

[0069] Figure 7c is a side view showing optical members of a first camera actuator according to an embodiment.

[0070] Figure 8a is a perspective view showing a holder of a first camera actuator according to an embodiment.

[0071] Figure 8b is a bottom view showing a holder of a first camera actuator according to an embodiment.

[0072] Figure 8c is a front view showing a holder of a first camera actuator according to the embodiment.

[0073] Figure 8d is a rear view showing a second member of the first camera actuator according to the embodiment.

[0074] Figure 8e is a bottom view showing a second member of the first camera actuator according to the embodiment.

[0075] Figure 8f is a perspective view showing a holder of a first camera actuator according to another embodiment.

[0076] Figure 8g is a bottom view showing a holder of a first camera actuator according to another embodiment.

[0077] Figure 8h is a front view showing a holder of a first camera actuator according to another embodiment.

[0078] Figure 8i is a rear view showing a second member of a first camera actuator according to another embodiment.

[0079] Figure 8j is a bottom view showing a second member of a first camera actuator according to another embodiment.

[0080] Figure 8k is a perspective view showing a holder and an optical member according to the first embodiment.

[0081] Figure 8lare a perspective view and a cross-sectional view showing a holder and an optical member according to a first embodiment.

[0082] Figure 8m is a side view showing the holder and the optical member according to the first embodiment.

[0083] Figure 8n is a perspective view showing a holder according to a first modified embodiment.

[0084] Figure 8o is a side view showing a holder and an optical member according to a first modified embodiment.

[0085] Figure 8p is a perspective view showing a holder and an optical member according to a second modified embodiment.

[0086] Figure 8q are a perspective view and a cross-sectional view showing a holder and an optical member according to a second embodiment.

[0087] Figure 8r is a side view showing a holder and an optical member according to a second embodiment.

[0088] Figure 8s is a side view showing a holder and an optical member according to a second modified embodiment.

[0089] Figure 8t is a perspective view showing a holder and an optical member according to a third embodiment.

[0090] Figure 8u are a perspective view and a cross-sectional view showing a holder and an optical member according to a third embodiment.

[0091] Figure 8v are a perspective view and another cross-sectional view showing a holder and an optical member according to a third embodiment.

[0092] Figure 8w is a side view showing a holder and an optical member according to a third embodiment.

[0093] Figure 8x is a side view showing a holder and an optical member according to a third modified embodiment.

[0094] Figure 8y 1 and 2 are diagrams for explaining the effects of the holder and the optical member according to the embodiment.

[0095] Figure 9a is a perspective view illustrating a tilt guide unit of a first camera actuator according to an embodiment.

[0096] Figure 9b It shows different directions Figure 9aA perspective view of the tilt guide unit.

[0097] Fig.9c It is along Figure 9a The figure is taken along line FF'.

[0098] Fig.10 is a diagram illustrating a first driving unit of a first camera actuator according to an embodiment.

[0099] Fig.11a is a perspective view showing a first camera actuator according to an embodiment.

[0100] Fig.11b It is along Fig.11a The figure is intercepted by line PP'.

[0101] Fig.11c It is along Fig.11a The figure is intercepted by line QQ'.

[0102] Fig.11d is a rear view showing a first camera actuator according to an embodiment.

[0103] Fig.11e is a top view showing a first camera actuator according to an embodiment.

[0104] Fig.12a is a perspective view showing a first camera actuator according to an embodiment.

[0105] Figure 12b It is along Fig.12a The figure is intercepted by line SS'.

[0106] Fig.12c It is shown Figure 12b An example diagram of the movement of the camera actuator is shown in FIG.

[0107] Fig.13a It is along Fig.12a The figure is intercepted by line RR'.

[0108] Fig.13b It is shown Fig.13b An example diagram of the movement of the camera actuator is shown in FIG.

[0109] Fig.13c is a diagram showing the housing wall relative to Fig.13a FIG. 4 is a diagram showing the movement of the first camera actuator in a collision.

[0110] Fig.14 is a perspective view showing a second camera actuator according to an embodiment.

[0111] Fig.15 is an exploded perspective view showing a second camera actuator according to an embodiment.

[0112] Fig.16 It is along Fig.14 The figure is intercepted by line DD'.

[0113] Fig.17a , Fig.17b and Fig.17c is a perspective view showing a second housing in a second camera actuator according to an embodiment.

[0114] Fig.18 and Fig.19 are diagrams each explaining the operation of the lens assembly according to the embodiment.

[0115] Fig. 20 2 is a diagram illustrating the operation of the second camera actuator according to the embodiment.

[0116] Fig.21 is a schematic diagram showing a circuit board according to the embodiment.

[0117] Fig. 22 is a perspective view illustrating a first lens assembly, a first bonding member, a second bonding member, and a second lens assembly according to an embodiment.

[0118] Fig.23 is a perspective view showing a mobile terminal to which a camera module according to an embodiment is applied.

[0119] Fig.24 is a perspective view showing a vehicle to which the camera module according to the embodiment is applied. DETAILED DESCRIPTION

[0120] Since the present disclosure may have various modifications and various embodiments, specific embodiments will be shown and described in the drawings. However, this is not intended to limit the present disclosure to specific embodiments, and should be understood to include all modifications, equivalents, and replacements included in the spirit and technical scope of the present disclosure.

[0121] Although terms including ordinal numbers such as second, first, etc. can be used to describe various components, the components are not limited by the terms. The terms are only used to distinguish one component from another component. For example, the second component can be named as the first component, and similarly, the first component can also be named as the second component without departing from the scope of the present disclosure. The term "and / or" includes any combination of multiple related items described herein or any of the multiple related items described herein.

[0122] When it is mentioned that a component is "connected" or "coupled" to another component, it should be understood that it can be directly connected or coupled to another component, but other components can be provided between them. On the other hand, when it is mentioned that a component is "directly connected" or "directly coupled" to another component, it should be understood that there are no other components between them.

[0123] The terms used in this application are only used to describe specific embodiments and are not intended to limit the present disclosure. Unless the context clearly indicates otherwise, singular expressions include plural expressions. In this application, it should be understood that terms such as "including", "having", etc. are intended to specify the presence of features, quantities, steps, operations, components, parts, or combinations thereof described in the specification, but do not preclude the possibility of the presence or addition of one or more other features, quantities, steps, operations, components, parts, or combinations thereof.

[0124] Unless otherwise defined, all terms used herein, including technical and scientific terms, have the same meaning as those generally understood by those skilled in the art. Terms defined in commonly used dictionaries should be interpreted as having a meaning consistent with the meaning in the context of the relevant field, and will not be interpreted as an idealized or overly formal meaning unless explicitly defined in this application.

[0125] Hereinafter, the embodiments will be described in detail with reference to the accompanying drawings. Regardless of the symbols in the drawings, the same reference numerals are given to the same or corresponding components, and redundant descriptions thereof will be omitted.

[0126] Figure 1 is a perspective view showing a camera module according to an embodiment, Figure 2 is an exploded perspective view showing a camera module according to an embodiment, and Figure 3 It is along Figure 1 The figure is taken along line AA'.

[0127] Reference Figure 1 and Figure 2 , the camera module 1000 according to the embodiment may be configured by a cover CV, a first camera actuator 1100, a second camera actuator 1200, and a circuit board 1300. Here, the first camera actuator 1100 may be used interchangeably with the first actuator, and the second camera actuator 1200 may be used interchangeably with the second actuator.

[0128] The cover CV may cover the first camera actuator 1100 and the second camera actuator 1200. A coupling force between the first camera actuator 1100 and the second camera actuator 1200 may be improved by the cover CV.

[0129] In addition, the cover CV may be made of a material that performs electromagnetic wave blocking. Therefore, the first camera actuator 1100 and the second camera actuator 1200 inside the cover CV may be easily protected.

[0130] In addition, the first camera actuator 1100 may be an optical image stabilizer (OIS) actuator. For example, the first camera actuator 1100 may move an optical member in a direction perpendicular to an optical axis (an axis of incident light).

[0131] The first camera actuator 1100 may include a fixed focal length lens disposed in a predetermined lens barrel (not shown). The fixed focal length lens may be referred to as a 'single focal length lens' or a 'single lens'.

[0132] The first camera actuator 1100 can change the optical path. As an embodiment, the first camera actuator 1100 can change the optical path that passes vertically through an internal optical component (e.g., a prism or a mirror). For example, the optical component can change the direction of light from a first direction (X-axis direction) to a third direction (Z-axis direction). Alternatively, the optical component can change the direction of light from a first axis to a second axis. Through such a configuration, although the thickness of the mobile terminal is reduced, since a lens larger than the thickness of the mobile terminal is provided inside the mobile terminal, zoom, auto focus (AF), zoom, and OIS functions can be performed by changing the optical path.

[0133] However, it is not limited thereto, and the first camera actuator 1100 may change the optical path vertically or a plurality of times at a predetermined angle.

[0134] The second camera actuator 1200 may be disposed at a rear end of the first camera actuator 1100. The second camera actuator 1200 may be combined with the first camera actuator 1100. In addition, the combination therebetween may be achieved in various ways.

[0135] In addition, the second camera actuator 1200 may be a zoom actuator or an auto focus (AF) actuator. For example, the second camera actuator 1200 may support one or more lenses and perform an auto focus function or a zoom function by moving the lenses according to a control signal of a predetermined control unit.

[0136] Additionally, one or more lenses move independently or individually along the optical axis.

[0137] The circuit board 1300 may be provided at the rear end of the second camera actuator 1200. The circuit board 1300 may be electrically connected to the second camera actuator 1200 and the first camera actuator 1100. In addition, the circuit board 1300 may be provided in plural.

[0138] The camera module according to the embodiment may be configured by a single camera module or a plurality of camera modules. For example, the plurality of camera modules may include a first camera module and a second camera module.

[0139] In addition, the first camera module may include a single actuator or a plurality of actuators. For example, the first camera module may include a first camera actuator 1100 and a second camera actuator 1200 .

[0140] In addition, the second camera module may be disposed in a predetermined housing (not shown) and include an actuator (not shown) capable of driving the lens unit. The actuator may be a voice coil motor, a microactuator, a silicon actuator, etc., and may be applied in various ways such as an electrostatic method, a thermal method, a dual piezoelectric chip method, and an electrostatic force method, but is not limited thereto. In addition, in this specification, the camera actuator may be referred to as an actuator, etc. In addition, a camera module configured by a plurality of camera modules may be installed in various electronic devices such as mobile terminals. In addition, the actuator may be a device that moves or tilts a lens or an optical member. However, the following will be described in the concept that the actuator includes a lens or an optical element. In addition, the actuator may be referred to as a "lens transfer device", "lens moving device", "optical member transfer device", "optical member moving device", etc.

[0141] Reference Figure 3 , the camera module according to the embodiment may include a first camera actuator 1100 performing an OIS function and a second camera actuator 1200 performing a zoom function and an AF function.

[0142] Light may enter the camera module or the first camera actuator through an opening area located on the top surface of the first camera actuator 1100. That is, light enters the interior of the first camera actuator 1100 along the optical axis direction (e.g., the X-axis direction, based on the incident light), and the optical path may be changed to a vertical direction (e.g., the Z-axis direction) by an optical member. In addition, light may pass through the second camera actuator 1200 and enter the image sensor IS (PATH) located at one end of the second camera actuator 1200. In this specification, the Z-axis direction or the third direction is described as the optical axis direction as follows.

[0143] In this specification, the bottom surface represents a side in the first direction. In addition, the first direction is the X-axis direction in the figure, and can be interchanged with the second axis direction, etc. The second direction is the Y-axis direction in the figure, and can be interchanged with the first axis direction, etc. The second direction is a direction perpendicular to the first direction. In addition, the third direction is the Z-axis direction in the figure, and can be interchanged with the third axis direction, etc. In addition, the third direction is a direction perpendicular to both the first direction and the second direction. Here, the third direction (Z-axis direction) corresponds to the direction of the optical axis, and the first direction (X-axis direction) and the second direction (Y-axis direction) are directions perpendicular to the optical axis. In addition, in the following description of the second camera actuator 1200, the optical axis direction is the third direction (Z-axis direction), and the following description will be based on this.

[0144] In addition, in this specification, the inside may be a direction from the cover CV toward the first camera actuator, and the outside may be a direction opposite to the inside. That is, the first camera actuator and the second camera actuator may be located inside the cover CV, and the cover CV may be located outside the first camera actuator or the second camera actuator.

[0145] In addition, through such a configuration, the camera module according to the embodiment can improve the space limitation of the first camera actuator and the second camera actuator by changing the optical path. That is, the camera module according to the embodiment can extend the optical path while minimizing the thickness of the camera module corresponding to the change of the optical path. In addition, it should be understood that the second camera actuator can also control the focus in the extended optical path, etc. to provide a wide range of magnification.

[0146] In addition, the camera module according to the embodiment can implement OIS by controlling the optical path through the first camera actuator, and accordingly, the occurrence of a decent or tilt phenomenon can be minimized and optimal optical characteristics can be obtained.

[0147] In addition, the second camera actuator 1200 may include an optical system and a lens driving unit. For example, the second camera actuator 1200 may be provided with at least one of the first lens assembly, the second lens assembly, and the third lens assembly therein.

[0148] In addition, the second camera actuator 1200 may be provided with a coil and a magnet to perform a high magnification zoom function and an auto focus function.

[0149] For example, the first lens assembly and the second lens assembly may be moving lenses moved by coils, magnets and guide pins, and the third lens assembly may be a fixed lens, but is not limited thereto. For example, the third lens assembly may perform the function of a focuser that forms an image at a specific point, and the first lens assembly may perform the function of a converter that forms an image formed by the third lens assembly as a focuser again at another point. Meanwhile, in the first lens assembly, as the distance to the object or the image distance changes significantly, the change in magnification may be large, and the first lens assembly as a converter may play an important role in changing the focal length or magnification of the optical system. Meanwhile, the image point forming the image in the first lens assembly as a converter may change slightly depending on the position. Therefore, the second lens assembly may perform a position compensation function for the image formed by the converter. For example, the second lens assembly may be used as a compensator that accurately forms the image point forming the image in the first lens assembly as a converter at the actual image sensor position. For example, the first lens assembly and the second lens assembly may be driven by an electromagnetic force generated by the interaction of a coil and a magnet. The description provided above may be applied to the lens assemblies described below. In addition, the first lens assembly to the third lens assembly may move along the optical axis direction (i.e., the third direction). In addition, the first lens assembly to the third lens assembly can be moved in the third direction independently or interdependently. In the present disclosure, the first lens assembly and the second lens assembly can be moved along the optical axis. In addition, the third lens assembly can be located at the front end of the first lens assembly or the rear end of the second lens assembly. In addition, the third lens assembly may not move in the optical axis direction. That is, the third lens assembly can be a fixed unit. In addition, the first lens assembly and the second lens assembly can be movable units.

[0150] Meanwhile, when an actuator for OIS and an actuator for AF / zoom are provided according to an embodiment of the present disclosure, magnetic interference with the magnet for AF / zoom can be prevented when OIS is driven. Since the first driving magnet of the first camera actuator 1100 is provided to be separated from the second camera actuator 1200, magnetic interference between the first camera actuator 1100 and the second camera actuator 1200 can be prevented. In this specification, OIS may be interchangeable with terms such as hand shake correction, optical image stabilization, optical image correction, shake compensation, and the like.

[0151] Figure 4 is a perspective view showing a first camera actuator according to an embodiment, and Figure 5 is an exploded perspective view showing a first camera actuator according to an embodiment.

[0152] Reference Figure 4 and Figure 5, the first camera actuator 1100 according to the embodiment may include a first housing 1120, a mover 1130, a rotating unit 1140, a first driving unit 1150, a first member 1126, and a second member 1131a. In addition, the first camera actuator 1100 may further include a plate CP.

[0153] The mover 1130 may include a holder 1131 and an optical member 1132 mounted on the holder 1131. In addition, the rotating unit 1140 may include a tilting guide unit 1141, and a second magnet 1142 and a first magnet 1143 having the same polarity or different polarities to press the tilting guide unit 1141. For example, the polarities of the surfaces facing each other of the first magnet 1143 and the second magnet 1142 may be the same. In addition, the first driving unit 1150 includes a driving magnet 1151, a driving coil 1152, a Hall sensor unit 1153, a first substrate unit 1154, and a yoke unit 1155.

[0154] First, the first camera actuator 1100 may include a shield cover (not shown). The shield cover (not shown) may be located at the outermost side of the first camera actuator 1100 to surround the rotating unit 1140 and the first driving unit 1150 described below.

[0155] The shielding case (not shown) may block or reduce electromagnetic waves generated from the outside. That is, the shielding case (not shown) may reduce the occurrence of malfunctions in the rotating unit 1140 and the first driving unit 1150.

[0156] The first housing 1120 may be located inside a shield cover (not shown). When there is no shield cover, the first housing 1120 may be located at the outermost side of the first camera actuator.

[0157] In addition, the first housing 1120 may be located inside the below-described first substrate unit 1154. The first housing 1120 may be combined with a shield case (not shown) to be inserted into or engaged with each other.

[0158] The first housing 1120 may include a first housing side portion 1121, a second housing side portion 1122, a third housing side portion 1123, and a housing wall portion 1124. This will be described in detail below.

[0159] The first member 1126 may be disposed in the first housing 1120. The second member 1131a may penetrate a portion of the first member 1126. The first member 1126 may be disposed inside the housing. The first member 1126 may have a structure that is integral with or separate from the first housing 1120.

[0160] In addition, the first camera actuator 1100 may further include a plate CP disposed outside the first member 1126. The plate CP may prevent foreign matter from flowing into the second member 1131a that penetrates the first member 1126. In addition, the plate CP may be made of a magnetic material. Therefore, since the plate CP has magnetism, a magnetic force is not generated on the first magnet 1143 and the second magnet 1142 having polarity for applying pressure. That is, the generation of a magnetic force that hinders the driving (applying pressure) of the first magnet 1143 and the second magnet 1142 can be reduced.

[0161] When the plate CP is a magnet, it may be referred to as a magnetic member, a magnetic body, a cover plate, a metal member, a metal plate, or the like.

[0162] The mover 1130 includes a holder 1131 and an optical member 1132 mounted on the holder 1131 .

[0163] The holder 1131 may be installed in the accommodation unit 1125 of the first housing 1120. The holder 1131 may include first to fourth holder outer side surfaces corresponding to the first housing side 1121, the second housing side 1122, the third housing side 1123, and the first member 1126, respectively. For example, the first to fourth holder outer side surfaces may correspond to or face the inner side surfaces of the first housing side 1121, the second housing side 1122, the third housing side 1123, and the first member 1126, respectively.

[0164] In addition, the retainer 1131 may include a second member 1131a disposed in the fourth mounting groove. The second member 1131a may penetrate the first member 1126 and be combined with the retainer 1131. The second member 1131a and the retainer 1131 may be combined with each other by various joining members or combining members. This will be described in detail below.

[0165] The optical member 1132 may be mounted in the holder 1131. To this end, the holder 1131 may have a mounting surface, and the mounting surface may be formed by a receiving groove. As an embodiment, the optical member 1132 may be configured by a mirror or a prism. Although it will be described below based on a prism, it may also be configured by a plurality of lenses, as shown in the above embodiment. Alternatively, the optical member 1132 may be configured as a plurality of lenses, prisms or mirrors. In addition, the optical member 1132 may include a reflector disposed inside. However, it is not limited thereto.

[0166] In addition, the optical member 1132 can reflect light reflected from the outside (e.g., an object) toward the inside of the camera module. In other words, the optical member 1132 can improve the space limitation of the first camera actuator and the second camera actuator by changing the path of the reflected light. Therefore, it should be understood that the camera module can provide a wide range of magnifications by extending the optical path while minimizing the thickness.

[0167] In addition, the second member 1131a can be combined with the retainer 1131. The second member 1131a can be arranged outside the retainer 1131 and inside the housing. In addition, the second member 1131a can be installed in an additional groove in an area other than the fourth mounting groove on the outer side surface of the fourth retainer in the retainer 1131. Therefore, the second member 1131a can be combined with the retainer 1131, and at least a portion of the first member 1126 can be located between the second member 1131a and the retainer 1131. For example, at least a portion of the first member 1126 can be arranged in a space formed between the second member 1131a and the retainer 1131. In addition, as described above, the second member 1131a can penetrate the hole (the first through hole and the second through hole described below) formed in the first member 1126.

[0168] In addition, the second member 1131a can be configured as a structure separated from the holder 1131. With such a configuration, as described below, the assembly of the first camera actuator can be easily performed. Alternatively, although the second member 1131a can be configured as a single body with the holder 1131, it will be described below as a separate structure.

[0169] The rotating unit 1140 includes a tilt guide unit 1141 , and a second magnet 1142 and a first magnet 1143 having the same polarity to press the tilt guide unit 1141 .

[0170] The tilting guide unit 1141 may be combined with the above-mentioned mover 1130 and the first housing 1120. Specifically, the tilting guide unit 1141 may be disposed between the holder 1131 and the first member 1126. Therefore, the tilting guide unit 1141 may be combined with the mover 1130 and the first housing 1120 of the holder 1131. However, unlike those described above, in the present embodiment, the tilting guide unit 1141 may be disposed between the first member 1126 and the holder 1131. Specifically, the tilting guide unit 1141 may be located between the first member 1126 and the fourth mounting groove of the holder 1131. For example, at least a portion of the tilting guide unit 1141 may be located in the fourth mounting groove.

[0171] The second member 1131a, the first member 1126, the tilting guide unit 1141 and the holder 1131 can be arranged in sequence in the third direction (Z-axis direction). In addition, the second magnet 1142 and the first magnet 1143 can be installed in the first groove gr1 formed in the second member 1131a and the second groove gr2 formed in the first member 1126, respectively. In this embodiment, the positions of the first groove gr1 and the second groove gr2 can be different from those of the first groove and the second groove described in another embodiment described above. However, the first groove gr1 is located inside the second member 1131a, and moves together with the holder and the second member 1131a as a whole, and the second groove gr2 is located on the first member 1126 corresponding to the first groove gr1 to be combined with the first shell 1120. Therefore, these terms will be used to interchangeably describe them. In addition, the first groove and the second groove can be grooves as described above. Alternatively, the first groove and the second groove can be replaced in the form of holes.

[0172] In addition, the tilt guide unit 1141 may be disposed adjacent to the optical axis. Therefore, the actuator according to the embodiment may easily change the optical path according to the first axis tilt and the second axis tilt described below.

[0173] The tilt guide unit 1141 may include first protrusions spaced apart in a first direction (X-axis direction) and second protrusions spaced apart in a second direction (Y-axis direction). In addition, the first protrusion and the second protrusion may protrude in opposite directions. This will be described in detail below.

[0174] In addition, as described above, the second magnet 1142 may be located inside the second member 1131 a. In addition, the first magnet 1143 may be located inside the first member 1126.

[0175] The second magnet 1142 and the first magnet 1143 may have the same polarity. For example, the second magnet 1142 may be a magnet having an N pole, and the first magnet 1143 may be a magnet having an N pole. Alternatively, on the contrary, the second magnet 1142 may be a magnet having an S pole, and the first magnet 1143 may be a magnet having an S pole. For example, as described above, the first polarity surface of the first magnet 1143 and the second polarity surface of the second magnet 1142 facing the first polarity surface may have the same polarity.

[0176] Due to the above polarity, the second magnet 1142 and the first magnet 1143 can generate a repulsive force between each other. Through such a configuration, the above repulsive force can be applied to the second member 1131a or the retainer 1131 combined with the second magnet 1142 and the first member 1126 or the first housing 1120 combined with the first magnet 1143. At this point, the repulsive force applied to the second member 1131a can be transmitted to the retainer 1131 combined with the second member 1131a. Therefore, the tilted guide unit 1141 located between the second member 1131a and the first member 1126 can be pressed by the repulsive force. In addition, the repulsive force can also be transmitted to the housing and the mover. Therefore, the housing and the mover can be pressed against each other by the repulsive force. In other words, the repulsive force can correspond to the holding force of the position between the housing and the mover. That is, the repulsive force can keep the tilted guide unit 1141 between the retainer 1131 and the first housing 1120 (or the first member 1126). By such a configuration, even when X-axis tilt or Y-axis tilt is performed, the position between the mover 1130 and the first housing 1120 can be maintained. In addition, the tilt guide unit can be tightly attached to the first member 1126 and the holder 1131 by the repulsive force between the first magnet 1143 and the second magnet 1142. In other words, the repulsive force caused by the first magnet 1143 and the second magnet 1142 can be a holding force that maintains the position between the holder 1131 and the first housing 1120.

[0177] The first driving unit 1150 includes a driving magnet 1151, a driving coil 1152, a Hall sensor unit 1153, a first substrate unit 1154, and a yoke unit 1155. Details thereof will be provided below. In addition, the yoke unit 1155 may be referred to as a "first yoke unit" in the first camera actuator. In addition, the yoke unit in the second camera actuator may be referred to as a "second yoke unit".

[0178] Figure 6a is a perspective view showing a first housing of a first camera actuator according to an embodiment, Figure 6b It shows different directions Figure 6a A perspective view of the first housing, Figure 6c is a front view showing a first housing of a first camera actuator according to an embodiment, Figure 6d is a rear view showing a first housing of a first camera actuator according to an embodiment, and Figure 6e is a top view showing a first housing of a first camera actuator according to an embodiment.

[0179] Reference Figures 6a to 6e, the first housing 1120 according to the embodiment may include the first housing side 1121 to the third housing side 1123. In addition, the first member 1126 may be integrated with the first housing 1120. Therefore, the first member 1126 may be a component included in the first housing 1120. Alternatively, the first housing 1120 may include the first member 1126.

[0180] The first housing side 1121 and the second housing side 1122 may be arranged to face each other. In addition, the first member 1216a and the housing wall 1124 may be arranged to face each other. In addition, the housing wall 1124 may also be applied to a structure of a camera actuator in which the first member and the second member are not present. That is, even in a structure in which the mover is tilted inside the housing, the fixed housing may include the housing wall.

[0181] In addition, the third case side 1123 may be disposed between the first case side 1121 and the second case side 1122 .

[0182] The third case side 1123 may be in contact with the first case side 1121 and the second case side 1122. In addition, the third case side 1123 may be a bottom surface in the first case 1120. In addition, those described above may also be applied to the description of the direction.

[0183] In addition, the first housing side portion 1121 may include a first housing hole 1121 a. A first coil to be described below may be located in the first housing hole 1121 a.

[0184] In addition, the second housing side portion 1122 may include a second housing hole 1122a. In addition, a second coil 1152b to be described below may be located in the second housing hole 1122a.

[0185] In addition, the first shell side portion 1121 and the second shell side portion 1122 may be side surfaces of the first shell 1120 .

[0186] The first coil and the second coil may be combined with the first substrate unit. As an embodiment, the first coil and the second coil are electrically connected to the first substrate unit so that current can flow. The current is a component of the electromagnetic force that tilts the second camera actuator relative to the X-axis.

[0187] In addition, the third housing side 1123 may include a third housing hole 1123 a .

[0188] The third coil to be described below may be located in the third housing hole 1123a. In addition, the third coil 1152c may be electrically connected to the first substrate unit in contact with the first housing 1120 and combined with each other. Therefore, the third coil may be electrically connected to the first substrate unit and receive current from the first substrate unit. The current is a component of the electromagnetic force that tilts the second camera actuator relative to the Y axis.

[0189] The first member 1126 may be installed between the first housing side 1121 and the third housing side 1123. Therefore, the first member 1126 may be located on the third housing side 1123. For example, the first member 1126 may be located on one side. Based on the third direction, the first member 1126 and the retainer may be positioned in sequence.

[0190] In addition, the first housing 1120 may include a housing unit 1125 formed by the first housing side 1121 to the third housing side 1123. The housing unit 1125 may include a first member 1126, a second member 1131a, and a mover 1130 as components. The mover, the tilt guide unit, etc. may be located in the housing unit 1125.

[0191] In addition, the first housing 1120 may further include a housing wall 1124 facing the first member 1126. In addition, the housing wall 1124 may be disposed between the first housing side 1121 and the second housing side 1122, and may contact the first housing side 1121, the second housing side 1122, and the third housing side 1123.

[0192] In addition, the housing wall 1124 may be located at the end of the first housing side 1121 and the second housing side 1122. That is, the housing wall 1124 may be provided in plurality. In addition, a plurality of housing walls 1124 may be located at the first housing side 1121 and the second housing side 1122, respectively. A plurality of housing walls 1124 may be spaced apart from each other in the second direction (Y-axis direction). Therefore, the light reflected from the optical member 1132 may be moved to the second camera actuator at the rear end through the spacing region. In other words, the spacing region provides a path for light movement.

[0193] In addition, the housing wall portion 1124 may include a protrusion, a groove, etc. to provide easy combination with another adjacent camera actuator (second camera actuator). Since the combination force between the housing wall portion 1124 in which the opening for providing the optical path is formed and other components is improved while providing the optical path through such a configuration, the change of the optical path can be minimized by suppressing the movement of the opening due to space, etc.

[0194] More specifically, the housing wall 1124 may be disposed on a side corresponding to the light emitting surface of the optical member. In addition, the housing wall 1124 may be located between the first housing side 1121 and the second housing side 1122, and may be located at the ends of the first housing side 1121 and the second housing side 1122 in the optical axis direction. Therefore, the housing wall 1124 may be located at the rear end of the accommodating unit 1125 along the optical axis direction. In addition, the housing wall 1124 may be located at the rear end in the optical axis direction (Z-axis direction) of the optical member.

[0195] In addition, the shell wall portion 1124 may overlap with the retainer in the optical axis direction (Z-axis direction). In addition, the shell wall portion 1124 may at least partially overlap with the retainer in the optical axis direction. Here, the optical axis direction (Z-axis direction) may correspond to the moving direction of the reflected light. In addition, the optical axis direction may correspond to the vertical direction of the light emitting surface of the optical member. Therefore, even if the mover (i.e., the retainer) is tilted, the movement may be restricted by the shell wall portion 1124 for the anti-shake function. In addition, the impact caused by the collision between the shell wall portion 1124 and the retainer may not occur in the first member or the second member. Therefore, the reliability of the first member and the second member can be improved.

[0196] In addition, the housing wall 1124 may be formed integrally with the housing 1120. In addition, a portion of the housing wall 1124 may be made of an elastic material. In addition, an elastic member may be additionally provided on the housing wall 1124. Therefore, the impact applied to the retainer 1131 due to the collision between the housing wall 1124 and the retainer 1131 may be reduced.

[0197] In addition, according to the embodiment, the shell wall 1124 may include a wall 1124a facing (or corresponding to) the rear surface of the holder (or the light emitting surface of the optical member) and a shell extension 1124b extending from the wall 1124a to the top of the holder.

[0198] The wall portion 1124a may overlap with the holder in the optical axis direction (Z-axis direction). In addition, the housing extension portion 1124b may overlap with the holder in the first direction.

[0199] The wall portion 1124a may be used as a stopper to prevent the holder from tilting in the first direction or the second direction. That is, when the holder tilts, the holder and the wall portion 1124a may collide with each other or contact each other.

[0200] In addition, when the retainer moves in the first direction or tilts on the second axis (e.g., moves up and down), the housing extension 1124b can collide with or contact the retainer. In other words, the housing extension 1124b can be used as a stopper to prevent the retainer from moving in the first direction. In addition, the third housing side 1130 can also be used as a stopper.

[0201] In addition, as described above, the first member 1126 may be a component included in the first housing 1120 to be combined with the first housing 1120. For example, the first member 1126 may be a structure integral with or separate from the first housing 1120. The structure in which the first member 1126 is separated from the first housing 1120 will be described below.

[0202] In addition, the first member 1126 may be provided in the first housing 1120. Alternatively, the first member 1126 may be located inside the first housing 1120.

[0203] In addition, the first member 1126 may be combined with the first housing 1120. As an embodiment, the first member 1126 may be located between the first housing side 1121 and the second housing side 1122. In addition, the first member 1126 is located on the third housing side 1123 and may contact the first housing side to the third housing side.

[0204] In addition, the first stopping member 1121b may be located on the inner side surface of the first case side portion 1121. In addition, the second stopping member 1122b may be located on the inner side surface of the second case side portion 1122.

[0205] The first stop member 1121b and the second stop member 1122b may be symmetrical with respect to the first direction (X-axis direction). The first stop member 1121b and the second stop member 1122b may extend in the first direction (X-axis direction). With such a configuration, although the first member 1126 moves into the first housing 1120, the first stop member 1121b and the second stop member 1122b may maintain the position. In other words, the first stop member 1121b and the second stop member 1122b may maintain the first member 1126 on one side of the first housing 1120.

[0206] In addition, the first and second stopping members 1121b and 1122b can fix the position of the tilt guide unit between the first member 1126 and the mover by fixing the position of the first member 1126 to eliminate factors that generate errors, such as vibration, etc. Therefore, the first camera actuator according to the embodiment can accurately perform X-axis tilt and Y-axis tilt.

[0207] In addition, the separation distance L2 in the second direction (Y-axis direction) between the first stopper member 1121b and the second stopper member 1122b may be less than the maximum length L1 in the second direction (Y-axis direction) of the first member 1126. Therefore, the first member 1126 may be assembled or inserted into the side of the first housing 1120 to be combined with the first housing 1120. In addition, the holder may be assembled along the first direction relative to the first housing 1120. In addition, as described above, the first member 1126 may be combined with the first housing 1120 along the side (i.e., along the optical axis direction). In addition, the second member may be assembled or inserted along the optical axis direction. Therefore, the second member may penetrate the first member 1126. Afterwards, a plate may be additionally provided on the first member 1126.

[0208] In addition, the first member 1126 includes a second protruding groove PH2 on which the second protrusion of the inclined guide unit is mounted. The second protruding groove PH2 may be located on the inner side 1126s1 of the first member 1126. As described below, the description of the first protruding groove may also be applied to the second protruding groove PH2. For example, the second protruding groove PH2 may be provided in plurality and may have a structure having the same or different contact points as the second protrusion of the inclined guide unit. For example, there are two second protruding grooves PH2 and they may have 4-point and 8-point contact structures. That is, the second protruding groove PH2 may be configured by a plurality of inclined surfaces. In addition, the second protruding groove PH2 may be a hemispherical groove.

[0209] In addition, the first member 1126 is configured to be disposed adjacent to the optical member (prism) inside the fourth mounting groove by disposing the protrusion of the tilt guide unit (e.g., the second protrusion) so that the protrusion, which is a reference axis for tilting, is disposed close to the center of gravity of the mover 1130. Therefore, when the holder is tilted, the moment for moving the mover 1130 for tilting can be minimized. Therefore, since the current consumption for driving the coil is also minimized, the power consumption of the camera actuator can be reduced.

[0210] In addition, the first member 1126 may include through holes 1126a and 1126b. The through hole is provided in plural and may be configured by the first through hole 1126a and the second through hole 1126b.

[0211] The first extension and the second extension of the second member described below can pass through the first through hole 1126a and the second through hole 1126b respectively. Thus, a holding force can be generated between the second member and the first member by the repulsive force between the first magnet and the second magnet. In other words, even when the mover is tilted, the first housing and the mover can maintain the relative position between them.

[0212] The second protrusion groove PH2 may be located between the first through hole 1126a and the second through hole 1126b. By such a configuration, the coupling force between the tilt guide unit 1141 and the first member 1126 is improved, and the tilt accuracy reduction that occurs when the tilt guide unit 1141 moves inside the first housing can be prevented.

[0213] In addition, the second groove gr2 can be located on the outer side 1126s2 of the first member 1126. The first magnet can be installed in the second groove gr2. In addition, the outer side 1126s2 of the first member 1126 can face or be opposite to the inner side of the second member or the member basic unit. In addition, the second magnet installed on the second member and the first magnet of the first member 1126 can face each other and generate the above-mentioned repulsive force. Therefore, since the first member 1126 presses the tilting guide unit inwardly or the retainer by the repulsive force, even if no current is injected into the coil, the mover can be spaced apart from the third shell side by a predetermined distance inside the first shell. In other words, a holding force that holds the position between the mover, the shell and the tilting guide unit can be generated by the first magnet and the second magnet.

[0214] In addition, when the first member 1126 is formed integrally with the first housing 1120, the reliability of the camera actuator can be improved due to the increased bonding force between the first member 1126 and the first housing 1120. In addition, when the first member 1126 is formed separately, the ease of assembly and manufacturing of the first member 1126 and the first housing 1120 can be improved.

[0215] In addition, as an embodiment, the first member 1126 may include the first through hole 1126a and the second through hole 1126b as described above. In addition, the first through hole 1126a and the second through hole 1126b may be arranged side by side in the second direction (Y-axis direction) to overlap each other.

[0216] In addition, the first member 1126 may include an upper member UA located at the top of the first through hole 1126a and the second through hole 1126b and a lower member BA located at the bottom of the first through hole 1126a and the second through hole 1126b. Therefore, the first through hole 1126a and the second through hole 1126b may be located in the middle of the first member 1126. That is, the first member 1126 may include a connecting member MA located on the side of the first through hole 1126a and the second through hole 1126b. That is, the upper member UA and the lower member BA may be connected to each other by the connecting member MA. In addition, the lower member BA may be provided in plurality to form the first through hole and the second through hole, and may be provided to be spaced apart from each other in the second direction (Y-axis direction).

[0217] Therefore, since the first member 1126 has the upper member UA, the rigidity can be improved. For example, the rigidity of the first member 1126 can be increased compared to when the upper member UA is not provided. For example, in the present embodiment, the rigidity can have a unit of N / μm. Therefore, the reliability of the first camera actuator according to the embodiment can be improved.

[0218] In addition, the first coupling grooves 1126k may be located on the outer side surface 1126s2 of the first member 1126. Each first coupling groove 1126k may be located at an edge of the outer side surface 1126s2 of the first member 1126. In particular, the first coupling grooves 1126k may be located at end units (e.g., left and right sides) of the outer side surface 1126s2 of the first member 1126 to be adjacent to the first case side 1121.

[0219] The first coupling groove 1126k may correspond to the second coupling grooves 1121m and 1122m of the first and second housing sides 1121 and 1122. As an embodiment, the first coupling groove 1126k may correspond to (or face) the second coupling grooves 1121m and 1122m of the first and second housing sides 1121 and 1122. The second coupling grooves 1121m and 1122m may be located on a side surface adjacent to and forming the same surface as the outer side surface 1126s2 of the first member 1126 described above.

[0220] As an embodiment, the first coupling groove 1126k and the second coupling grooves 1121m and 1122m may be provided in plurality, and the plurality of first coupling grooves 1126k and the plurality of second coupling grooves 1121m and 1122m may be symmetrically disposed in the first direction or the second direction.

[0221] In addition, a bonding member may be applied to the first bonding groove 1126k and the second bonding grooves 1121m and 1122m. That is, when a bonding member is applied between the first shell side (or the second shell side) and the first member 1126, the bonding force between the first shell 1120 and the first member 1126 may be improved. Although the bonding member may include epoxy resin or the like, it is not limited to such material.

[0222] In addition, the first member 1126 may further include a first protrusion 1126c and a second protrusion 1126d. The first protrusion 1126c may contact the first housing side 1121, and the second protrusion 1126d may contact the second housing side 1122. The first protrusion 1126c may extend from one end of the outer side surface 1126s2 of the first member in a third direction (Z-axis direction). The second protrusion 1126d may extend from the other end of the outer side surface 1126s2 of the first member in a third direction (Z-axis direction). In other words, the first protrusion and the second protrusion may extend toward the retainer.

[0223] The position of the first protrusion may be maintained by the first stopping member 1121b, and the position of the second protrusion may be maintained by the second stopping member 1122b. Therefore, the reliability of the camera actuator according to the embodiment may be improved.

[0224] In addition, as described above, the housing wall portion 1124 according to the embodiment may include the wall portion 1124 a and the housing extension portion 1124 b .

[0225] The housing wall 1124 or the wall 1124a may overlap the first through hole 1126a and the second through hole 1126b of the first member 1126 in the optical axis direction (Z axis direction). For example, the housing wall 1124 or the wall 1124a may partially overlap the first through hole 1126a and the second through hole 1126b of the first member 1126 in the optical axis direction (Z axis direction).

[0226] In addition, the second protrusion groove PH2 may be located between adjacent wall portions 1124a. In addition, the housing wall portion 1124 or the wall portion 1124a may not overlap with the second protrusion groove PH2 along the optical axis direction (Z-axis direction).

[0227] Through such a configuration, the effective area of ​​light reflected and emitted by the optical member located between adjacent wall portions 1124a can be increased.

[0228] In addition, the distance between adjacent housing extensions 1124b (separation distance in the second direction) can be reduced along the optical axis direction. By such a configuration, the amount of light entering the optical component can be increased. In addition, the housing extension 1124b can fully act as a stopper relative to the tilt of the retainer.

[0229] In addition, the third housing hole 1123a may be located between adjacent housing extensions 1124b. That is, the third housing hole 1123a may not overlap with the housing extensions 1124b in the first direction (X-axis direction), but may not be aligned.

[0230] Figure 7ais a perspective view showing optical members of a first camera actuator according to an embodiment, Figure 7b is a top view showing optical components of a first camera actuator according to an embodiment, and Figure 7c is a side view showing optical members of a first camera actuator according to an embodiment.

[0231] Reference Figure 7a , the optical member 1132 may be mounted on the holder. The optical member 1132 may be a right angle prism as a reflector, but is not limited thereto.

[0232] As an embodiment, the optical member 1132 may have a protrusion (not shown) on a portion of the outer side. The optical member 1132 may be easily coupled to the holder through the protrusion (not shown). In addition, since the holder has a groove or a protrusion, it may be coupled to the optical member 1132.

[0233] In addition, the bottom surface 1132b of the optical member 1132 can be mounted on the mounting surface of the holder. Therefore, the bottom surface 1132b of the optical member 1132 can correspond to the mounting surface of the holder. As an embodiment, the bottom surface 1132b can be configured as an inclined surface in the same manner as the mounting holder. Therefore, when the prism moves with the holder, the optical member 1132 can be prevented from separating from the holder.

[0234] In addition, when a groove is formed on the bottom surface 1132b of the optical member 1132 and a bonding member is applied, the optical member 1132 can be combined with the holder. Alternatively, when the bonding member is applied to the groove or protrusion of the holder, the holder can be combined with the optical member 1132. However, the edge of the optical member 1132 may contact the inclined surface or mounting surface of the holder. That is, a portion of the bottom surface or reflective surface 1132b of the optical member 1132 may be spaced apart from the inclined surface of the holder. For example, the effective area (corresponding to the effective diameter) of the reflective surface 1132b may be spaced apart from the inclined surface of the holder.

[0235] In addition, as described above, the optical member 1132 can be configured as a structure capable of reflecting light reflected from the outside (e.g., an object) toward the inside of the camera module. As an embodiment, the optical member 1132 can be configured as a single mirror. In addition, the optical member 1132 can improve the space limitations of the first camera actuator and the second camera actuator by changing the path of the reflected light. Therefore, it should be understood that the camera module can provide a wide range of magnifications by extending the optical path while minimizing the thickness. In addition, it should be understood that the camera module including the camera actuator according to the embodiment can provide a wide range of magnifications by extending the optical path while minimizing the thickness.

[0236] Further references Figure 7b and Figure 7c In addition, the optical member 1132 may include an incident surface 1132a, a reflective surface 1132b, and a light emitting surface 1132c. The bottom surface 1132b may be the same surface as the reflective surface 1132c.

[0237] In addition, light may enter the incident surface 1132a. In addition, light passing through the incident surface 1132a may be reflected from the reflective surface 1132b inclined at a predetermined angle. The reflective surface 1132b may be inclined at a predetermined angle relative to the incident surface 1132a. For example, the predetermined angle may be in the range of 40 to 50 degrees.

[0238] In addition, most of the light can be reflected from the reflective surface 1132b, pass through the light emitting surface 1132c, and move to the second camera actuator. In this way, the optical member 1132 can change the optical path passing through the incident surface 1132a, the reflective surface 1132b, and the light emitting surface 1132c.

[0239] In addition, the optical member 1132 may cause a glare phenomenon due to cracks in areas other than the incident surface 1131a and the light emitting surface 1132c or accidental reflection of light. In addition, even when a portion of light is not reflected from the reflective surface 1132b of the optical member 1132, a glare phenomenon may be caused due to accidental refraction, reflection, etc. of light.

[0240] Therefore, a film or the like may be attached to the edge of the incident surface 1132a or the light emitting surface 1132c to prevent glare. For example, a light shielding film may be attached to the edge of the incident surface 1132a or the light emitting surface 1132c, or a light shielding paint may be formed on the edge of the incident surface 1132a or the light emitting surface 1132c.

[0241] For example, the first film FL1 may be disposed on the edge of the incident surface 1132a. In addition, the second film FL2 may be disposed on the edge of the light emitting surface 1132c. In addition, the second film FL2 may be located outside the effective area or effective diameter EA of the light emitting surface 1132c. Alternatively, a structure having a predetermined roughness or more may be formed on the edge of the incident surface 1132a or the light emitting surface 1132c. By such a configuration, the image quality can be improved because the above-mentioned glare phenomenon is suppressed.

[0242] Figure 8a is a perspective view showing a holder of a first camera actuator according to an embodiment, Figure 8b is a bottom view showing a holder of a first camera actuator according to an embodiment, Figure 8cis a front view showing a holder of a first camera actuator according to an embodiment, Figure 8d is a rear view showing a second member of the first camera actuator according to the embodiment, and Figure 8e is a bottom view showing a second member of the first camera actuator according to the embodiment.

[0243] Reference Figures 8a to 8e , the holder 1131 may include a mounting surface 1131o on which the optical member 1132 is mounted. The mounting surface 1131o may be an inclined surface. In addition, the holder 1131 may include a step unit on the top of the mounting surface 113o. In addition, in the holder 1131, the step unit may be combined with a protrusion (not shown) of the optical member 1132.

[0244] The holder 1131 may include a plurality of outer sides, for example, the holder 1131 may include a first holder outer side 1131S1 , a second holder outer side 1131S2 , a third holder outer side 1131S3 , and a fourth holder outer side 1131S4 .

[0245] The first holder outer side surface 1131S1 may face the second holder outer side surface 1131S2. That is, the first holder outer side surface 1131S1 and the second holder outer side surface 1131S2 may be symmetrically disposed with respect to the first direction (X-axis direction).

[0246] The first retainer outer side surface 1131S1 may correspond to the first housing side. That is, the first retainer outer side surface 1131S1 may face the first housing side. In addition, the second retainer outer side surface 1131S2 may correspond to the second housing side. That is, the second retainer outer side surface 1131S2 may face the second housing side.

[0247] In addition, the first holder outer side surface 1131S1 may include a first mounting groove 1131S1a. In addition, the second holder outer side surface 1131S2 may include a second mounting groove 1131S2a. The first mounting groove 1131S1a and the second mounting groove 1131S2a may be symmetrically arranged with respect to the first direction (X-axis direction).

[0248] In addition, the first mounting groove 1131S1a and the second mounting groove 1131S2a can be arranged to overlap in the second direction (Y-axis direction). In addition, the first magnet 1151a can be arranged in the first mounting groove 1131S1a, and the second magnet 1151b can be arranged in the second mounting groove 1131S2a. The first magnet 1151a and the second magnet 1151b can also be arranged symmetrically with respect to the first direction (X-axis direction). In this specification, it should be understood that the first magnet to the third magnet can be combined with the housing by a yoke or a coupling member. The polarity of the first magnet and the polarity of the second magnet can be located in opposite directions to each other. For example, the N pole and the S pole of the first magnet can be arranged in sequence in the third direction, and the S pole and the N pole of the second magnet can be arranged in sequence in the third direction. As a modified embodiment, by controlling the current injection or current direction of the first coil and the second coil, the polarity of the first magnet and the polarity of the second magnet can be positioned to be the same.

[0249] As described above, according to the positions of the first mounting groove and the second mounting groove and the first magnet and the second magnet, the electromagnetic force caused by each magnet can be provided to the first holder outer side surface S1231S1 and the second holder outer side surface 1131S2 on the same axis. For example, the area where the electromagnetic force is applied on the first holder outer side surface S1231S1 (e.g., the area where the electromagnetic force is the strongest) and the area where the electromagnetic force is applied on the second holder outer side surface 1131S2 (e.g., the area where the electromagnetic force is the strongest) can be located on an axis parallel to the second direction (Y-axis direction). Therefore, the X-axis tilt can be accurately performed.

[0250] The first magnet may be disposed in the first mounting groove 1131S1a, and the second magnet may be disposed in the second mounting groove 1131S2a.

[0251] The third retainer outer side surface 1131S3 may be an outer side surface in contact with the first retainer outer side surface 1131S1 and the second retainer outer side surface 1131S2, and extends from one side of the first retainer outer side surface 1131S1 and the second retainer outer side surface 1131S2 in the second direction (Y-axis direction). In addition, the third retainer outer side surface 1131S3 may be located between the first retainer outer side surface 1131S1 and the second retainer outer side surface 1131S2. The third retainer outer side surface 1131S3 may be a bottom surface in the retainer 1131. That is, the third retainer outer side surface 1131S3 may face the third shell side portion.

[0252] In addition, the third holder outer side surface 1131S3 may include a third mounting groove 1131S3 a , in which the third magnet may be disposed, and the third holder outer side surface 1131S3 may face the third housing side portion 1123 .

[0253] In addition, the third housing hole 1123a may at least partially overlap the third mounting groove 1131S3a in the first direction (X-axis direction). Therefore, the third magnet in the third mounting groove 1131S3a and the third coil in the third housing hole 1123a may face each other. In addition, when the third magnet and the third coil generate electromagnetic force, the second camera actuator may perform Y-axis tilt.

[0254] In addition, the X-axis tilt is accomplished by a plurality of magnets (a first magnet and a second magnet), while the Y-axis tilt can be accomplished only by the third magnet.

[0255] As an example, the area of ​​the third mounting groove 1131S3a may be greater than the area of ​​the first mounting groove 1131S1a or the second mounting groove 1131S2a. With such a configuration, Y-axis tilting may be performed with current control similar to X-axis tilting.

[0256] The fourth retainer outer side surface 1131S4 may be an outer side surface that contacts the first retainer outer side surface 1131S1 and the second retainer outer side surface 1131S2, and extends from the first retainer outer side surface 1131S1 and the second retainer outer side surface 1131S2 in the first direction (X-axis direction). In addition, the fourth retainer outer side surface 1131S4 may be located between the first retainer outer side surface 1131S1 and the second retainer outer side surface 1131S2. That is, the fourth retainer outer side surface 1131S4 may face the first member.

[0257] The fourth retainer outer side 1131S4 may include a fourth mounting groove 1131S4a. The tilt guide unit 1141 may be located in the fourth mounting groove 1131S4a. In addition, the second member 1131a and the first member 1126 may be located in the fourth mounting groove 1131S4a. In addition, the fourth mounting groove 1131S4a may include a plurality of regions. It may include a first region AR1, a second region AR2, and a third region AR3.

[0258] The second member 1131a may be located in the first area AR1. That is, the first area AR1 may overlap with the second member 1131a in the first direction (X-axis direction). In particular, the first area AR1 may be the area where the basic unit of the member of the second member 1131a is located. At this point, the first area AR1 may be located on the outer side surface 1131S4 of the fourth retainer. That is, the first area AR1 may correspond to the area located on the top side of the fourth mounting groove 1131S4a. In this case, the first area AR1 may not be the area inside the fourth mounting groove 1131S4a.

[0259] The first member 1126 may be located in the second area AR2. That is, the second area AR2 may overlap with the first member 1126 in the first direction (X-axis direction).

[0260] In addition, similar to the first area, the second area AR2 may be located on the fourth holder outer side 1131S4. That is, the second area AR2 may correspond to an area located on the top of the fourth mounting groove 1131S4a.

[0261] The tilt guide unit may be located in the third area AR3. Specifically, a base of the tilt guide unit may be located in the third area AR3. That is, the third area AR3 may overlap the tilt guide unit (eg, base) in the first direction (X-axis direction).

[0262] In addition, the second area AR2 may be located between the first area AR1 and the third area AR3.

[0263] In addition, the second member is disposed in the first area AR1, and the second member 1131a may include a first groove gr1. As an embodiment, the second member 1131a may include a first groove gr1 formed on the inner side 1131aas. In addition, as described above, the second magnet may be disposed in the first groove gr1.

[0264] In addition, as described above, the first member may be disposed in the second area AR2. The first groove gr1 may be arranged to face the second groove gr2. For example, the first groove gr1 may at least partially overlap the second groove gr2 in the third direction (Z-axis direction).

[0265] In addition, the repulsive force generated by the second magnet may be transferred to the fourth mounting groove 1131S4a of the holder 1131 through the second member. Therefore, the holder may apply a force to the tilt guide unit in the same direction as the repulsive force generated by the second magnet.

[0266] The first member may include a second groove gr2 facing the first groove gr1 formed on the outer side. In addition, as described above, the first member may include a second protruding groove formed on the inner side. In addition, the second protrusion may be installed in the second protruding groove.

[0267] In addition, like the second magnet, the repulsive force generated by the first magnet and the second magnet may be applied to the first member. Therefore, the first member and the second member may press the tilt guide unit disposed between the first member and the holder 1131 by the repulsive force.

[0268] The tilt guide unit 1141 may be disposed in the third area AR3.

[0269] In addition, the first protrusion groove PH1 can be located in the fourth mounting groove 1131S4a. In addition, the first protrusion of the tilting guide unit 1141 can be accommodated in the first protrusion groove PH1. Therefore, the first protrusion PR1 can be in contact with the first protrusion groove. The maximum diameter of the first protrusion groove PH1 can correspond to the maximum diameter of the first protrusion PR1. This can also be applied to the second protrusion groove and the second protrusion PR2. That is, the maximum diameter of the second protrusion groove can correspond to the maximum diameter of the second protrusion PR2. Therefore, the second protrusion can be in contact with the second protrusion groove. Through such a configuration, the first axis tilting can easily occur relative to the first protrusion, and the second axis tilting can easily occur relative to the second protrusion, and the radius of tilting can be improved.

[0270] In addition, as an embodiment, the first protruding groove PH1 can be set to a plurality. For example, any one of the first protruding groove PH1 and the second protruding groove PH2 may include a 1-1 protruding groove PH1a and a 1-2 protruding groove PH1b. Hereinafter, it will be assumed that the first protruding groove PH1 includes a 1-1 protruding groove PH1a and a 1-2 protruding groove PH1b for description. In addition, the following description can also be applied to the second protruding groove PH2. For example, the second protruding groove PH2 includes a 2-1 protruding groove and a 2-2 protruding groove, and the description of the 1-1 protruding groove can be applied to the 2-1 protruding groove, and the description of the 1-2 protruding groove can be applied to the 2-2 protruding groove.

[0271] The 1-1 protrusion groove PH1a and the 1-2 protrusion groove PH1b may be disposed side by side in the first direction (X-axis direction). The maximum area of ​​the 1-1 protrusion groove PH1a may be different from or the same as the maximum area of ​​the 1-2 protrusion groove PH1b.

[0272] Each of the plurality of first protruding grooves PH1 may have a different number of inclined surfaces. For example, the first protruding groove PH1 may include a groove bottom surface and an inclined surface. In this regard, each of the plurality of protruding grooves may have a different number of inclined surfaces. In addition, the area of ​​the bottom surface of each protruding groove may also be different.

[0273] For example, the 1-1th protrusion groove PH1a may include a first groove bottom surface LS1 and a first inclined surface CS1. The 1-2th protrusion groove PH1b may include a second groove bottom surface LS2 and a second inclined surface CS2.

[0274] In this regard, areas of the first groove bottom surface LS1 and the second groove bottom surface LS2 may be different from each other. An area of ​​the first groove bottom surface LS1 may be smaller than an area of ​​the second groove bottom surface LS2.

[0275] In addition, the number of the first inclined surfaces CS1 contacting the first groove bottom surface LS1 may be different from the number of the second inclined surfaces CS2. For example, the number of the first inclined surfaces CS1 may be greater than the number of the second inclined surfaces CS2.

[0276] By such a configuration, the assembly tolerance of the first protrusion mounted on the first protruding groove PH1 can be easily compensated. For example, since the number of the first inclined surfaces CS1 is greater than the number of the second inclined surfaces CS2, the first protrusion contacts more inclined surfaces, so that the position of the first protrusion can be more accurately maintained in the 1-1 protruding groove PH1a.

[0277] Different from this, in the 1-2-th protrusion groove PH1b, the number of inclined surfaces contacting the first protrusion is smaller than that of the 1-1-th protrusion groove PH1a, so that the position of the first protrusion can be easily adjusted.

[0278] As an embodiment, the second inclined surfaces CS2 may be arranged to be spaced apart from each other in the second direction (Y-axis direction). In addition, the second groove bottom surface LS2 may extend in the first direction (X-axis direction) so that the first protrusion may be easily moved in the first direction (X-axis direction) while in contact with the second inclined surface CS2. That is, in the 1-2 protruding groove PH1b, the position of the first protrusion may be easily adjusted. In addition, a lubricating member may be applied to the first protruding groove PH1.

[0279] In addition, in the present embodiment, each of the first area AR1, the second area AR2, and the third area AR3 may have different heights in the first direction (X-axis direction). As an embodiment, the height of the first area AR1 in the first direction (X-axis direction) may be higher than the heights of the second area AR2 and the third area AR3. Therefore, there may be a step between the first area AR1 and the second area AR2.

[0280] In addition, the second member 1131a may include a first groove gr1. In other words, the first groove gr1 may be located on the inner side of the member base unit 1131aa. In addition, the second magnet may be installed in the first groove gr1. In addition, the first groove gr1 may be provided in plurality according to the number of the second magnets. That is, the number of the first groove gr1 may be configured as the number of the second magnets.

[0281] In addition, the second member 1131a may include a member base unit 1131aa, a first extending portion 1131ab, and a second extending portion 1131ac.

[0282] The member base unit 1131aa may be located at the outermost side of the first camera actuator. The member base unit 1131aa may be located outside the first member. That is, the first member may be located between the member base unit 1131aa and the tilt guide unit.

[0283] The first extension portion 1131ab may extend from the edge of the component basic unit 1131aa in the third direction (Z-axis direction). That is, the first extension portion 1131ab may extend from the component basic unit 1131aa toward the retainer 1131. This may also be applied to the second extension portion 1131ac. In addition, the second extension portion 1131ac may extend from the edge of the component basic unit 1131aa in the third direction (Z-axis direction). As an embodiment, the first extension portion 1131ab and the second extension portion 1131ac may be located at the edge of the component basic unit 1131aa in the second direction (Y-axis direction). In addition, the first extension portion 1131ab and the second extension portion 1131ac may be arranged between the upper member and the lower member.

[0284] Therefore, the second member 1131a may have a groove formed by the first extension 1131ab and the second extension 1131ac. That is, the groove may be located between the first extension 1131ab and the second extension 1131ac. Therefore, the first extension 1131ab and the second extension 1131ac may be connected to each other only by the member basic unit 1131aa. By such a configuration, the second member 1131a may continuously receive the repulsive force of the second magnet installed in the center of the member basic unit 1131aa (particularly, in the first groove gr1).

[0285] In addition, the first extension portion 1131ab may be spaced apart from the second extension portion 1131ac in the second direction (Y-axis direction) to form a separation space. The first member and the tilt guide unit may be installed in the separation space. In addition, the second magnet and the first magnet may be located in the separation space.

[0286] In addition, in the third direction (Z-axis direction), the length of the first extension portion 1131ab can be the same as the length of the second extension portion 1131ac. Therefore, since the coupling force, weight, etc. are formed to be balanced, the tilting of the holder can be accurately performed without tilting to one side.

[0287] In addition, the first extension portion 1131ab and the second extension portion 1131ac can be combined with the retainer. It should be understood that in the present specification, in addition to the above-mentioned protrusion and groove structure, they can be combined with each other by a joining member. As an embodiment, the first extension portion 1131ab and the second extension portion 1131ac may include a third coupling groove 1131k formed in a third direction (Z-axis direction). In addition, in the fourth mounting groove 1131S4a, the coupling protrusion 1131m may be located in an area overlapping with the first extension portion 1131ab and the second extension portion 1131ac in the third direction (Z-axis direction). The coupling protrusion 1131m may correspond to the third coupling groove 1131k.

[0288] For example, a bonding material such as epoxy resin may be applied to the third coupling groove 1131k. In addition, the coupling protrusion 1131m may be inserted into the third coupling groove 1131k of the first extension 1131ab and the second extension 1131ac. By such a configuration, the second member 1131a and the retainer 1131 may be coupled to each other. In addition, by such a configuration, the repulsive force applied to the second member 1131a may be transmitted to the retainer 1131.

[0289] However, it should be understood that, as described above, the positions of the protrusions and recesses in the structure may be interchanged.

[0290] Figure 8f is a perspective view showing a holder of a first camera actuator according to another embodiment, Figure 8g is a bottom view showing a holder of a first camera actuator according to another embodiment, Figure 8h is a front view showing a holder of a first camera actuator according to another embodiment, Figure 8i is a rear view showing a second member of a first camera actuator according to another embodiment, and Figure 8j is a bottom view showing a second member of a first camera actuator according to another embodiment.

[0291] Reference Figure 8f to Figure 8j , the holder 1131 may include a mounting surface 1131k on which the optical member 1132 is mounted. The mounting surface 1131k may be an inclined surface. It will be described below as the inclined surface 1131k of the holder 1131. In addition, the inclined surface 1131k of the holder 1131 may face the optical member. The inclined surface 1131k may be spaced apart from the effective area of ​​the reflective surface of the optical member by a predetermined distance. In addition, the holder 1131 may include a plurality of holder grooves HG extending along at least one of one side or the other side of the inclined surface 1131k. A detailed description of the holder grooves HG will be provided below.

[0292] In addition, the holder 1131 may include a step unit on the top of the mounting surface 1131 k . In addition, in the holder 1131 , the step unit may be combined with a protrusion (not shown) of the optical member 1132 .

[0293] The holder 1131 may include a plurality of outer sides, for example, the holder 1131 may include a first holder outer side 1131S1 , a second holder outer side 1131S2 , a third holder outer side 1131S3 , and a fourth holder outer side 1131S4 .

[0294] The first holder outer side surface 1131S1 may face the second holder outer side surface 1131S2. That is, the first holder outer side surface 1131S1 and the second holder outer side surface 1131S2 may be symmetrically disposed with respect to the first direction (X-axis direction).

[0295] The first retainer outer side surface 1131S1 may correspond to the first housing side. That is, the first retainer outer side surface 1131S1 may face the first housing side. In addition, the second retainer outer side surface 1131S2 may correspond to the second housing side. That is, the second retainer outer side surface 1131S2 may face the second housing side.

[0296] In addition, the first holder outer side surface 1131S1 may include a first mounting groove 1131S1a. In addition, the second holder outer side surface 1131S2 may include a second mounting groove 1131S2a. The first mounting groove 1131S1a and the second mounting groove 1131S2a may be symmetrically arranged with respect to the first direction (X-axis direction).

[0297] In addition, the first mounting groove 1131S1a and the second mounting groove 1131S2a can be arranged to overlap in the second direction (Y-axis direction). In addition, the first magnet 1151a can be arranged in the first mounting groove 1131S1a, and the second magnet 1151b can be arranged in the second mounting groove 1131S2a. The first magnet 1151a and the second magnet 1151b can also be arranged symmetrically with respect to the first direction (X-axis direction). In this specification, it should be understood that the first magnet to the third magnet can be combined with the housing by a yoke or a coupling member. The polarity of the first magnet and the polarity of the second magnet can be located in opposite directions to each other. For example, the N pole and the S pole of the first magnet can be arranged in sequence in the third direction, and the S pole and the N pole of the second magnet can be arranged in sequence in the third direction. As a modified embodiment, by controlling the current injection or current direction of the first coil and the second coil, the polarity of the first magnet and the polarity of the second magnet can be positioned to be the same.

[0298] As described above, according to the positions of the first mounting groove and the second mounting groove and the first magnet and the second magnet, the electromagnetic force caused by each magnet can be provided to the first holder outer side surface S1231S1 and the second holder outer side surface 1131S2 on the same axis. For example, the area where the electromagnetic force is applied on the first holder outer side surface S1231S1 (e.g., the area where the electromagnetic force is the strongest) and the area where the electromagnetic force is applied on the second holder outer side surface 1131S2 (e.g., the area where the electromagnetic force is the strongest) can be located on an axis parallel to the second direction (Y-axis direction). Therefore, the X-axis tilt can be accurately performed.

[0299] The first magnet 1151 a may be disposed in the first mounting groove 1131S1 a , and the second magnet 1151 b may be disposed in the second mounting groove 1131S2 a .

[0300] The third retainer outer side surface 1131S3 may be an outer side surface in contact with the first retainer outer side surface 1131S1 and the second retainer outer side surface 1131S2, and extends from one side of the first retainer outer side surface 1131S1 and the second retainer outer side surface 1131S2 in the second direction (Y-axis direction). In addition, the third retainer outer side surface 1131S3 may be located between the first retainer outer side surface 1131S1 and the second retainer outer side surface 1131S2. The third retainer outer side surface 1131S3 may be a bottom surface in the retainer 1131. That is, the third retainer outer side surface 1131S3 may face the third shell side portion.

[0301] In addition, the third holder outer side surface 1131S3 may include a third mounting groove 1131S3a, the third magnet 1151c may be disposed in the third mounting groove 1131S3a, and the third holder outer side surface 1131S3 may face the third housing side portion 1123.

[0302] In addition, the third housing hole 1123a may at least partially overlap the third mounting groove 1131S3a in the first direction (X-axis direction). Therefore, the third magnet 1151c in the third mounting groove 1131S3a and the third coil 1152c in the third housing hole 1123a may face each other. In addition, when the third magnet 1151c and the third coil 1152c generate electromagnetic force, the second camera actuator may perform Y-axis tilt.

[0303] In addition, the X-axis tilt is accomplished by multiple magnets (the first magnet 1151a and the second magnet 1151b), while the Y-axis tilt can be accomplished only by the third magnet 1151c.

[0304] As an example, the area of ​​the third mounting groove 1131S3a may be greater than the area of ​​the first mounting groove 1131S1a or the second mounting groove 1131S2a. With such a configuration, Y-axis tilting may be performed with current control similar to X-axis tilting.

[0305] The fourth retainer outer side surface 1131S4 may be an outer side surface that contacts the first retainer outer side surface 1131S1 and the second retainer outer side surface 1131S2, and extends from the first retainer outer side surface 1131S1 and the second retainer outer side surface 1131S2 in the first direction (X-axis direction). In addition, the fourth retainer outer side surface 1131S4 may be located between the first retainer outer side surface 1131S1 and the second retainer outer side surface 1131S2. That is, the fourth retainer outer side surface 1131S4 may face the first member.

[0306] The fourth retainer outer side 1131S4 may include a fourth mounting groove 1131S4a. The tilt guide unit 1141 may be located in the fourth mounting groove 1131S4a. In addition, the second member 1131a and the first member 1126 may be located in the fourth mounting groove 1131S4a. In addition, the fourth mounting groove 1131S4a may include a plurality of regions. It may include a first region AR1, a second region AR2, and a third region AR3.

[0307] The second member 1131a may be located in the first area AR1. That is, the first area AR1 may overlap with the second member 1131a in the first direction (X-axis direction). In particular, the first area AR1 may be the area where the basic unit of the member of the second member 1131a is located. At this point, the first area AR1 may be located on the outer side surface 1131S4 of the fourth retainer. That is, the first area AR1 may correspond to the area located on the top side of the fourth mounting groove 1131S4a. In this case, the first area AR1 may not be the area inside the fourth mounting groove 1131S4a.

[0308] The first member 1126 may be located in the second area AR2. That is, the second area AR2 may overlap with the first member 1126 in the first direction (X-axis direction).

[0309] In addition, similar to the first area, the second area AR2 may be located on the fourth holder outer side 1131S4. That is, the second area AR2 may correspond to an area located on the top of the fourth mounting groove 1131S4a.

[0310] The tilt guide unit may be located in the third area AR3. Specifically, a base of the tilt guide unit may be located in the third area AR3. That is, the third area AR3 may overlap the tilt guide unit (eg, base) in the first direction (X-axis direction).

[0311] In addition, the second area AR2 may be located between the first area AR1 and the third area AR3.

[0312] In addition, the second member is disposed in the first area AR1, and the second member 1131a may include a first groove gr1. As an embodiment, the second member 1131a may include a first groove gr1 formed on the inner side 1131aas. In addition, as described above, the second magnet may be disposed in the first groove gr1.

[0313] In addition, as described above, the first member may be disposed in the second area AR2. The first groove gr1 may face the second groove gr2. For example, the first groove gr1 may at least partially overlap the second groove gr2 in the third direction (Z-axis direction).

[0314] In addition, the repulsive force generated by the second magnet may be transferred to the fourth mounting groove 1131S4a of the holder 1131 through the second member. Therefore, the holder may apply a force to the tilt guide unit in the same direction as the repulsive force generated by the second magnet.

[0315] The first member may include a second groove gr2 facing the first groove gr1 formed on the outer side. In addition, as described above, the first member may include a second protruding groove formed on the inner side. In addition, the second protrusion may be installed in the second protruding groove.

[0316] In addition, like the second magnet, the repulsive force generated by the first magnet and the second magnet may be applied to the first member. Therefore, the first member and the second member may press the tilt guide unit disposed between the first member and the holder 1131 by the repulsive force.

[0317] The tilt guide unit 1141 may be disposed in the third area AR3.

[0318] In addition, the first protrusion groove PH1 can be located in the fourth mounting groove 1131S4a. In addition, the first protrusion of the tilting guide unit 1141 can be accommodated in the first protrusion groove PH1. Therefore, the first protrusion PR1 can be in contact with the first protrusion groove. The maximum diameter of the first protrusion groove PH1 can correspond to the maximum diameter of the first protrusion PR1. This can also be applied to the second protrusion groove and the second protrusion PR2. That is, the maximum diameter of the second protrusion groove can correspond to the maximum diameter of the second protrusion PR2. Therefore, the second protrusion can be in contact with the second protrusion groove. Through such a configuration, the first axis tilting can easily occur relative to the first protrusion, and the second axis tilting can easily occur relative to the second protrusion, and the radius of tilting can be improved.

[0319] In addition, as an embodiment, the first protruding groove PH1 can be set to a plurality. For example, any one of the first protruding groove PH1 and the second protruding groove PH2 may include a 1-1 protruding groove PH1a and a 1-2 protruding groove PH1b. Hereinafter, it will be assumed that the first protruding groove PH1 includes a 1-1 protruding groove PH1a and a 1-2 protruding groove PH1b for description. In addition, the following description can also be applied to the second protruding groove PH2. For example, the second protruding groove PH2 includes a 2-1 protruding groove and a 2-2 protruding groove, and the description of the 1-1 protruding groove can be applied to the 2-1 protruding groove, and the description of the 1-2 protruding groove can be applied to the 2-2 protruding groove.

[0320] The 1-1 protrusion groove PH1a and the 1-2 protrusion groove PH1b may be disposed side by side in the first direction (X-axis direction). A maximum area of ​​the 1-1 protrusion groove PH1a may be the same as a maximum area of ​​the 1-2 protrusion groove PH1b.

[0321] Each of the plurality of first protruding grooves PH1 may have a different number of inclined surfaces. For example, the first protruding groove PH1 may include a groove bottom surface and an inclined surface. In this regard, each of the plurality of protruding grooves may have a different number of inclined surfaces. In addition, the area of ​​the bottom surface of each protruding groove may also be different.

[0322] For example, the 1-1th protrusion groove PH1a may include a first groove bottom surface LS1 and a first inclined surface CS1. The 1-2th protrusion groove PH1b may include a second groove bottom surface LS2 and a second inclined surface CS2.

[0323] In this regard, areas of the first groove bottom surface LS1 and the second groove bottom surface LS2 may be different from each other. An area of ​​the first groove bottom surface LS1 may be smaller than an area of ​​the second groove bottom surface LS2.

[0324] In addition, the number of the first inclined surfaces CS1 contacting the first groove bottom surface LS1 may be different from the number of the second inclined surfaces CS2. For example, the number of the first inclined surfaces CS1 may be greater than the number of the second inclined surfaces CS2.

[0325] By such a configuration, the assembly tolerance of the first protrusion mounted on the first protruding groove PH1 can be easily compensated. For example, since the number of the first inclined surfaces CS1 is greater than the number of the second inclined surfaces CS2, the first protrusion contacts more inclined surfaces, so that the position of the first protrusion can be more accurately maintained in the 1-1 protruding groove PH1a.

[0326] Different from this, in the 1-2-th protrusion groove PH1b, the number of inclined surfaces contacting the first protrusion is smaller than that of the 1-1-th protrusion groove PH1a, so that the position of the first protrusion can be easily adjusted.

[0327] As an embodiment, the second inclined surfaces CS2 may be arranged to be spaced apart from each other in the second direction (Y-axis direction). In addition, the second groove bottom surface LS2 may extend in the first direction (X-axis direction), so that the first protrusion may be easily moved in the first direction (X-axis direction) while in contact with the second inclined surface CS2. That is, in the 1-2 protruding groove PH1b, the position of the first protrusion may be easily adjusted.

[0328] In addition, in the present embodiment, each of the first area AR1, the second area AR2, and the third area AR3 may have different heights in the first direction (X-axis direction). As an embodiment, the height of the first area AR1 in the first direction (X-axis direction) may be higher than the heights of the second area AR2 and the third area AR3. Therefore, there may be a step between the first area AR1 and the second area AR2.

[0329] In addition, the second member 1131a may include a first groove gr1. In other words, the first groove gr1 may be located on the inner side of the member base unit 1131aa. In addition, the second magnet may be installed in the first groove gr1. In addition, the first groove gr1 may be provided in plurality according to the number of the second magnets. That is, the number of the first groove gr1 may be configured as the number of the second magnets.

[0330] In addition, the second member 1131a may include a member base unit 1131aa, a first extending portion 1131ab, and a second extending portion 1131ac.

[0331] The member base unit 1131aa may be located at the outermost side of the first camera actuator. The member base unit 1131aa may be located outside the first member. That is, the first member may be located between the member base unit 1131aa and the tilt guide unit.

[0332] The first extension portion 1131ab may extend from the edge of the component basic unit 1131aa in the third direction (Z-axis direction). That is, the first extension portion 1131ab may extend from the component basic unit 1131aa toward the retainer 1131. This may also be applied to the second extension portion 1131ac. In addition, the second extension portion 1131ac may extend from the edge of the component basic unit 1131aa in the third direction (Z-axis direction). As an embodiment, the first extension portion 1131ab and the second extension portion 1131ac may be located at the edge of the component basic unit 1131aa in the second direction (Y-axis direction). In addition, the first extension portion 1131ab and the second extension portion 1131ac may be arranged between the upper member and the lower member.

[0333] Therefore, the second member 1131a may have a groove formed by the first extension 1131ab and the second extension 1131ac. That is, the groove may be located between the first extension 1131ab and the second extension 1131ac. Therefore, the first extension 1131ab and the second extension 1131ac may be connected to each other only by the member basic unit 1131aa. By such a configuration, the second member 1131a may continuously receive the repulsive force of the second magnet installed in the center of the member basic unit 1131aa (particularly, in the first groove gr1).

[0334] In addition, since the second member 1131 a is combined with the holder and moves when the X-axis tilt and the Y-axis tilt are performed, the rigidity of the second member 1131 a may be higher than that of the first member.

[0335] In addition, as described above, since the first member according to the embodiment has an upper member and a lower member, its rigidity can be increased. By such a configuration, the difference in rigidity between the second member and the first member can be reduced. Therefore, when the second member 1131a and the retainer 1131 combined with the second member 1131a are tilted together with respect to the X-axis or the Y-axis, the adjacent distance between the second member 1131a and the first member is reduced, and the second member 1131a can contact the first member. Therefore, since the rigidity of the first member is increased as described above, it can easily perform the operation as a stopper. That is, the reliability of the camera actuator can be improved.

[0336] In addition, as the difference in rigidity between the first member and the second member is reduced, damage due to contact when tilted can be minimized. That is, the reliability of the camera actuator can be improved.

[0337] In addition, the first extension portion 1131ab may be spaced apart from the second extension portion 1131ac in the second direction (Y-axis direction) to form a separation space. The first member and the tilt guide unit may be installed in the separation space. In addition, the second magnet and the first magnet may be located in the separation space.

[0338] In addition, in the third direction (Z-axis direction), the length of the first extension portion 1131ab can be the same as the length of the second extension portion 1131ac. Therefore, since the coupling force, weight, etc. are formed to be balanced, the tilting of the holder can be accurately performed without tilting to one side.

[0339] In addition, the first extension portion 1131ab and the second extension portion 1131ac can be combined with the retainer. It should be understood that in the present specification, in addition to the above-mentioned protrusion and groove structure, they can be combined with each other by a coupling member. As an embodiment, the first extension portion 1131ab and the second extension portion 1131ac may include a third coupling groove 1131k formed in a third direction (Z-axis direction). In addition, in the fourth mounting groove 1131S4a, the coupling protrusion 1131m may be located in an area overlapping with the first extension portion 1131ab and the second extension portion 1131ac in the third direction (Z-axis direction). The coupling protrusion 1131m can be positioned corresponding to the third coupling groove 1131k.

[0340] For example, a bonding material such as epoxy resin may be applied to the third coupling groove 1131k. In addition, the coupling protrusion 1131m may be inserted into the third coupling groove 1131k of the first extension 1131ab and the second extension 1131ac. By such a configuration, the second member 1131a and the retainer 1131 may be coupled to each other. In addition, by such a configuration, the repulsive force applied to the second member 1131a may be transmitted to the retainer 1131.

[0341] However, it should be understood that, as described above, the positions of the protrusions and recesses in the structure may be interchanged.

[0342] Figure 8k is a perspective view showing a holder and an optical member according to a first embodiment, Figure 8l are perspective views and cross-sectional views showing a holder and an optical member according to a first embodiment, Figure 8m is a side view showing a holder and an optical member according to a first embodiment, Figure 8n is a perspective view showing a holder according to a first modified embodiment, and Figure 8o is a side view showing a holder and an optical member according to a first modified embodiment.

[0343] Reference Figure 8k and Figure 8m , the optical member 1132 may be located on the inclined surface 1131k of the holder 1131 according to the first embodiment. The optical member 1132 may be combined with the holder 1131 by a bonding member (e.g., epoxy resin) through the side except for the incident surface 1132a, the reflection surface 1132b, and the light emitting surface 1132c.

[0344] In addition, the retainer 1131 according to the embodiment may include an inclined surface 1131k facing the optical member 1132 and a plurality of retainer grooves extending along at least one of one side or the other side of the inclined surface 1131k. In the present embodiment, one side or the other side of the inclined surface may correspond to one edge or the other edge. For example, the inclined surface may have a long side or a short side, and the long side may correspond to one side, and the short side may correspond to the other side, or vice versa. In addition, when the edge lengths of the inclined surface are equal, one of the edges may correspond to one side, and the other edge in contact with the one edge may correspond to the other edge. In addition, when the shape of the inclined surface 1131k is not a square, the edge in one direction on the reflective surface may correspond to one side, and the edge in a direction perpendicular to the one direction may correspond to the other side.

[0345] In addition, in the present embodiment, the plurality of retainer grooves may include a first retainer groove HG1 extending along one side of the inclined surface. The plurality of first retainer grooves HG1 may extend in the second direction (Y-axis direction). Therefore, the length of the first retainer groove HG1 in the second direction may be longer than the length along the other side. In addition, a groove for an ejector pin or a housing may also be provided on the inclined surface 1131k. At this point, the retainer groove (e.g., the first retainer groove) may overlap or not overlap with the groove for the push rod or the slit. In the figure, it will be described assuming that the retainer groove does not overlap with the groove for the push rod or the slit.

[0346] In addition, in the present embodiment, the retainer groove is described as a structure configured by two inclined surfaces or two surfaces similar to a prism. However, it is not limited to this, and the shape of the retainer groove may include surfaces of different angles and circular surfaces. In addition, the horizontal lengths of the surfaces of the grooves may be different or the same. Similarly, the vertical lengths of the surfaces of the grooves may also be the same or different.

[0347] In an embodiment, the first retainer groove HG1 may include a first groove area HG1a overlapping with the effective area EA of the light emission surface 1132c and a second groove area HG1b not overlapping with the effective area EA of the light emission surface 1132c. At this point, the first groove area HG1a may overlap with the effective area EA of the light emission surface 1132c in the third direction (Z-axis direction). In addition, the second groove area HG1b may not overlap with the effective area EA of the light emission surface 1132c in the third direction (Z-axis direction).

[0348] At this point, the second groove area HG1b may be arranged to surround the first groove area HG1a. In addition, the second groove area HG1b may be located outside the first groove area HG1a as a closed loop and an open loop. In addition, the second groove area HG1b may be arranged to surround the first groove area HG1a. In addition, the second groove area HG1b may be located outside the first groove area HG1a. In other words, the first groove area HG1a may be located inside the second groove area HG1b.

[0349] Furthermore, the first holder groove HG1 may be formed in any region other than the groove region for the slit.

[0350] In addition, the area of ​​the first groove area HG1a may be larger than the area of ​​the second groove area HG1b. In addition, although most of the light is reflected in the effective area of ​​the reflective surface 1132b, part of the light may not be reflected from the reflective surface 1132b accidentally. In this way, part of the light may accidentally move to the first groove area HG1a instead of the second groove area HG1b. In addition, in an embodiment, since the area of ​​the first groove area HG1a is prepared to be larger than the area of ​​the second groove area HG1b, the glare phenomenon caused by part of the accidentally reflected and refracted light can be suppressed.

[0351] Furthermore, among the plurality of first holder grooves HG1 , separation distances gp1 and gp2 between adjacent first holder grooves HG1 may be the same or different. In an embodiment, among the plurality of first holder grooves HG1 , separation distances between adjacent first holder grooves HG1 may be the same.

[0352] Alternatively, the distance between adjacent first retainer grooves HG1 may vary toward the outside relative to the center of the inclined surface 1131k. Alternatively, the distance between adjacent first retainer grooves HG1 may increase toward the center of the inclined surface 1131k. For example, the distance gp2 between the first retainer grooves HG1 adjacent to the outside of the inclined surface 1131k may be different from the distance gp1 between the first retainer grooves HG1 adjacent to the center of the inclined surface 1131k. For example, the distance gp2 between the first retainer grooves HG1 adjacent to the outside of the inclined surface 1131k may be greater than the distance gp1 between the first retainer grooves HG1 adjacent to the center of the inclined surface 1131k.

[0353] In addition, the first holder groove HG1 may include a first groove surface f1 and a second groove surface f2. The first groove surface f1 may contact the second groove surface f2. In addition, the first groove surface f1 may be side by side with the light emitting surface 1132c. That is, the first groove surface f1 may be parallel to the light emitting surface 1132c. In addition, the second groove surface f2 may be side by side with the incident surface 1132a. That is, the second groove surface f2 may be parallel to the incident surface 1132a.

[0354] As another example, the first groove surface f1 may be partially parallel to the light emitting surface 1132c. That is, the first groove surface f1 may form a predetermined angle with the light emitting surface 1132c. In this case, the predetermined angle includes an angle formed with a virtual plane extending from the surface.

[0355] In addition, the second groove surface f2 may be aligned with the incident surface 1132a. In addition, the second groove surface f2 may form a predetermined angle with the incident surface 1132a.

[0356] For example, the angle θa formed by the first groove surface f1 and the second groove surface f2 may be 80 to 110 degrees. Preferably, the angle θa may be 85 to 105 degrees. In addition, the angle θa may be 90 degrees.

[0357] In addition, as an embodiment, the first distance ds1 may be greater than the second distance ds2. Here, the first distance ds1 is the distance between the edge where the first groove surface f1 and the second groove surface f2 intersect and the reflective surface 1131k. In addition, the second distance ds2 may be the minimum distance between the first groove surface f1 or the second groove surface f2 and the reflective surface 1132b. That is, in a partial area, the first retainer groove HG1 may be set to be further spaced apart from the reflective surface 1132b than the inclined surface 1131k.

[0358] In addition, as described above, the inclined surface 1131k of the holder 1131 may face the reflective surface 1132b of the optical member 1132. In addition, the effective area of ​​the reflective surface 1132b may be spaced apart from the inclined surface 1131k by a predetermined distance ds0. That is, there may be a predetermined space between the inclined surface 1131k and the reflective surface 1132b. In addition, the length La of one side may be different from or the same as the length Lb of the other side. In the present specification, the length La of one side may be greater than the length Lb of the other side.

[0359] Reference Figure 8n and Figure 8o , except for those described below, the description of the holder and the optical member according to the first embodiment may be similarly applied.

[0360] In the first modified embodiment, the first retainer groove HG1 may be arranged to overlap with the effective area EA of the light emitting surface 1132c. That is, the above-mentioned second groove area may not exist. With such a configuration, the first retainer groove HG1 may be spaced apart from the edge of the inclined surface 1131k by a predetermined distance. Therefore, in consideration of the accidental concentration of light, the first retainer groove HG1 may be formed to correspond to the effective area. Therefore, the glare phenomenon can be more effectively suppressed.

[0361] In addition, the first holder groove HG1 may be provided only on a partial edge of the inclined surface 1131 k. Therefore, a portion of the first holder groove HG1 may also be provided on the edge of the inclined surface 1131 k.

[0362] Figure 8p is a perspective view showing a holder and an optical member according to a second modified embodiment, Figure 8q are perspective views and cross-sectional views showing a holder and an optical member according to a second embodiment, Figure 8r is a side view showing a holder and an optical member according to a second embodiment, and Figure 8s is a side view showing a holder and an optical member according to a second modified embodiment.

[0363] Reference Figure 8p to Figure 8r, the optical member 1132 may be located on the inclined surface 1131k of the retainer 1131 according to the second embodiment. In addition to the incident surface 1132a, the reflective surface 1132b and the light emitting surface 1132c, the optical member 1132 may be combined with the retainer 1131 by a bonding member (e.g., epoxy resin) through the side. In addition, except for those described below, the description of the retainer and the optical member may be equally applicable. In addition, the retainer 1131 according to the second embodiment may include a retainer groove located on the inclined surface 1131k and extending toward the other side, that is, a second retainer groove HG2. The second retainer groove HG2 may be a groove extending along the other side or short side of the inclined surface. The extension direction of the second retainer groove HG2 may be perpendicular to the extension direction of the above-mentioned first retainer groove.

[0364] In an embodiment, the second retainer groove HG2 may include a third groove area HG2a overlapping with the effective area EA of the light emission surface 1132c and a fourth groove area HG2b not overlapping with the effective area EA of the light emission surface 1132c. At this point, the third groove area HG2a may overlap with the effective area EA of the light emission surface 1132c in the third direction (Z-axis direction). In addition, the fourth groove area HG2b may not overlap with the effective area EA of the light emission surface 1132c in the third direction (Z-axis direction).

[0365] At this point, the fourth groove area HG2b may be disposed to surround the third groove area HG2a. In addition, the fourth groove area HG2b may be located outside the third groove area HG2a. In other words, the third groove area HG2a may be located inside the fourth groove area HG2b.

[0366] In addition, the area of ​​the third groove area HG2a may be larger than the area of ​​the fourth groove area HG2b. In addition, although most of the light is reflected in the effective area of ​​the reflective surface 1132b, part of the light may not be reflected from the reflective surface 1132b accidentally. In this way, part of the light may accidentally move to the third groove area HG2a instead of the fourth groove area HG2b. In addition, in an embodiment, since the area of ​​the third groove area HG2a is prepared to be larger than the area of ​​the fourth groove area HG2b, the glare phenomenon caused by part of the accidentally reflected and refracted light can be suppressed.

[0367] In addition, among the plurality of second retainer grooves HG2, the separation distances gp3 and gp4 between adjacent second retainer grooves HG2 may be the same. Alternatively, the distance between adjacent second retainer grooves HG2 may increase toward the center of the inclined surface 1131k. For example, the distance gp4 between the second retainer grooves HG2 adjacent to the outer side of the inclined surface 1131k may be different from the distance gp3 between the second retainer grooves HG2 adjacent to the center of the inclined surface 1131k. For example, the distance gp4 between the second retainer grooves HG2 adjacent to the outer side of the inclined surface 1131k may be greater than the distance gp3 between the second retainer grooves HG2 adjacent to the center of the inclined surface 1131k.

[0368] In addition, the second retainer groove HG2 may include a third groove surface f3 and a fourth groove surface f4. The third groove surface f3 may contact the fourth groove surface f4. In addition, the third groove surface f3 may not be aligned with the light emitting surface 1132c (e.g., vertical). In addition, the fourth groove surface f4 may not be aligned with the incident surface 1132a (e.g., vertical).

[0369] In addition, the angle θa formed by the third groove surface f3 and the fourth groove surface f4 may be 80 to 110 degrees. Preferably, the angle θb may be 85 to 105 degrees. In addition, the angle θa may be 90 degrees.

[0370] In addition, as an embodiment, the third distance may be greater than the fourth distance. Here, the third distance is the distance between the edge where the third groove surface f3 and the fourth groove surface f4 intersect and the reflective surface 1131k. In addition, the fourth distance may be the minimum distance between the third groove surface f3 or the fourth groove surface f4 and the reflective surface 1132b. That is, in a partial area, the second retainer groove HG2 may be arranged to be further spaced apart from the reflective surface 1132b than the inclined surface 1131k.

[0371] In addition, as described above, the inclined surface 1131k of the holder 1131 may face the reflective surface 1132b of the optical member 1132. In addition, the effective area of ​​the reflective surface 1132b may be spaced apart from the inclined surface 1131k by a predetermined distance. That is, there may be a predetermined space between the inclined surface 1131k and the reflective surface 1132b. In addition, the length La of one side may be different from or the same as the length Lb of the other side. In the present specification, the length La of one side may be greater than the length Lb of the other side.

[0372] Reference Figure 8s , except for those described below, the description of the holder and the optical member according to the second embodiment may be similarly applied.

[0373] In the second modified embodiment, the second retainer groove HG2 can be set to overlap with the effective area EA of the light emitting surface 1132c. That is, the above-mentioned fourth groove area may not exist. With such a configuration, the second retainer groove HG2 can be spaced apart from the edge of the inclined surface 1131k by a predetermined distance. Therefore, considering the accidental concentration of light, the second retainer groove HG2 can be formed to correspond to the effective area. Therefore, the glare phenomenon can be more effectively suppressed.

[0374] Figure 8t is a perspective view showing a holder and an optical member according to a third embodiment, Figure 8u are perspective views and cross-sectional views showing a holder and an optical member according to a third embodiment, Figure 8v is a perspective view and another cross-sectional view showing a holder and an optical member according to a third embodiment, Figure 8w is a side view showing a holder and an optical member according to a third embodiment, and Figure 8x is a side view showing a holder and an optical member according to a third modified embodiment.

[0375] Reference Figure 8t to Figure 8w , except for those described below, the description of the holder and the optical member may be equally applicable.

[0376] The holder 1131 according to the embodiment may include an inclined surface 1131k facing the optical member 1132 and a plurality of holder grooves extending along at least one of one side and the other side of the inclined surface 1131k. In the third embodiment, the holder 1131 may include a first holder groove HG1 extending along one side and a second holder groove HG2 extending along the other side.

[0377] The plurality of first holder grooves HG1 may extend in the second direction (Y-axis direction). Therefore, the length of the first holder groove HG1 in the second direction may be longer than the length along the other side.

[0378] In addition, the second holder groove HG2 may be a groove extending along the other side or the short side of the inclined surface. The extending direction of the second holder groove HG2 may be perpendicular to the extending direction of the above-mentioned first holder groove HG1.

[0379] The first retainer groove HG1 and the second retainer groove HG2 may intersect with each other. For example, one first retainer groove HG1 may intersect with a plurality of second retainer grooves HG2 in part. In addition, one second retainer groove HG2 may intersect with a plurality of first retainer grooves HG1 in part. That is, the first retainer groove HG1 and the second retainer groove HG2 may overlap with each other.

[0380] In addition, the first retainer groove HG1 may include a first groove area HG1a overlapping with the effective area EA of the light emission surface 1132c and a fourth groove area HG2b not overlapping with the effective area EA of the light emission surface 1132c. At this point, the first groove area HG1a may overlap with the effective area EA of the light emission surface 1132c in the third direction (Z-axis direction). In addition, the second groove area HG1b may not overlap with the effective area EA of the light emission surface 1132c in the third direction (Z-axis direction).

[0381] In addition, the second retainer groove HG2 may include a third groove area HG2a overlapping with the effective area EA of the light emission surface 1132c and a fourth groove area HG2b not overlapping with the effective area EA of the light emission surface 1132c. At this point, the third groove area HG2a may overlap with the effective area EA of the light emission surface 1132c in the third direction (Z-axis direction). In addition, the fourth groove area HG2b may not overlap with the effective area EA of the light emission surface 1132c in the third direction (Z-axis direction).

[0382] The first groove region HG1a may intersect or overlap with the third groove region HG2a, and the second groove region HG1b may intersect or overlap with the fourth groove region HG2b.

[0383] In addition, the second groove area HG1b may be provided to surround the first groove area HG1a. In addition, the second groove area HG1b may be located outside the first groove area HG1a. In other words, the first groove area HG1a may be located inside the second groove area HG1b. In addition, the fourth groove area HG2b may be provided to surround the third groove area HG2a. In addition, the fourth groove area HG2b may be located outside the third groove area HG2a. In other words, the third groove area HG2a may be located inside the fourth groove area HG2b.

[0384] In addition, the first or third groove area HG1a or HG2a may be located inside the second or fourth groove area HG2b. In other words, the second or fourth groove area HG2b may be located outside the first or third groove area HG1a or HG2a.

[0385] In addition, the area of ​​the first groove region HG1a may be greater than the area of ​​the second groove region HG1b. In addition, the area of ​​the third groove region HG2a may be greater than the area of ​​the fourth groove region HG2b.

[0386] At this point, although most of the light is reflected in the effective area of ​​the reflective surface 1132b as described above, part of the light may not be reflected from the reflective surface 1132b accidentally. In this way, part of the light may accidentally move to the first groove area HG1a (or the third groove area HG2a) instead of the second groove area HG1b (or the fourth groove area HG2b). In addition, in the embodiment, since the area of ​​the first groove area HG1a (or the third groove area HG2a) is prepared to be larger than the area of ​​the second groove area HG1b (or the fourth groove area HG2b), the glare phenomenon caused by part of the accidentally reflected and refracted light can be suppressed.

[0387] In addition, among the plurality of first retainer grooves HG1, the separation distances gp1 and gp2 between adjacent first retainer grooves HG1 may be the same. Alternatively, the distance between adjacent first retainer grooves HG1 may increase toward the center of the inclined surface 1131k. For example, the distance gp2 between the first retainer grooves HG1 adjacent to the outer side of the inclined surface 1131k may be different from the distance gp1 between the first retainer grooves HG1 adjacent to the center of the inclined surface 1131k. For example, the distance gp2 between the first retainer grooves HG1 adjacent to the outer side of the inclined surface 1131k may be greater than the distance gp1 between the first retainer grooves HG1 adjacent to the center of the inclined surface 1131k.

[0388] In the plurality of second retainer grooves HG2, the separation distances gp3 and gp4 between adjacent second retainer grooves HG2 may be the same. Alternatively, the distance between adjacent second retainer grooves HG2 may increase toward the center of the inclined surface 1131k. For example, the distance gp4 between the second retainer grooves HG2 adjacent to the outer side of the inclined surface 1131k may be different from the distance gp3 between the second retainer grooves HG2 adjacent to the center of the inclined surface 1131k. For example, the distance gp4 between the second retainer grooves HG2 adjacent to the outer side of the inclined surface 1131k may be greater than the distance gp3 between the second retainer grooves HG2 adjacent to the center of the inclined surface 1131k.

[0389] In addition, the first holder groove HG1 may include a first groove surface f1 and a second groove surface f2. The first groove surface f1 may be in contact with the second groove surface f2. In addition, the first groove surface f1 may be side by side with the light emitting surface 1132c. That is, the first groove surface f1 may be parallel to the light emitting surface 1132c. In addition, the second groove surface f2 may be side by side with the incident surface 1132a. That is, the second groove surface f2 may be parallel to the incident surface 1132a. In addition, the second holder groove HG2 may include a third groove surface f3 and a fourth groove surface f4. The third groove surface f3 may be in contact with the fourth groove surface f4. In addition, the third groove surface f3 may be perpendicular to the light emitting surface 1132c. In addition, the fourth groove surface f4 may be perpendicular to the incident surface 1132a.

[0390] In addition, as an embodiment, the third distance may be greater than the fourth distance. Here, the third distance is the distance between the edge where the third groove surface f3 and the fourth groove surface f4 intersect and the reflective surface 1131k. In addition, the fourth distance may be the minimum distance between the third groove surface f3 or the fourth groove surface f4 and the reflective surface 1132b. That is, in a partial area, the second retainer groove HG2 may be arranged to be further spaced apart from the reflective surface 1132b than the inclined surface 1131k.

[0391] Reference Figure 8x , except for those described below, the description of the first modified embodiment and the second modified embodiment can be equally applied.

[0392] In this modified embodiment, the first retainer groove HG1 can be set to overlap with the effective area EA of the light emitting surface 1132c. That is, the above-mentioned second groove area may not exist. The second retainer groove HG2 can be set to overlap with the effective area EA of the light emitting surface 1132c. That is, the above-mentioned fourth groove area may not exist. Therefore, the first groove area and the second groove area can intersect with each other or overlap with each other.

[0393] By such a configuration, the first retainer groove HG1 or the second retainer groove HG2 may be spaced apart from the edge of the inclined surface 1131k by a predetermined distance. Therefore, in consideration of accidental concentration of light, the first retainer groove HG1 may be formed to correspond to the effective area. Therefore, the glare phenomenon may be more effectively suppressed.

[0394] Figure 8y 1 and 2 are diagrams for explaining the effects of the holder and the optical member according to the embodiment.

[0395] Figure 8y(a) shows an image formed on an image sensor in a dark room when the first retainer groove or the second retainer groove is not formed on the inclined surface of the retainer. Figure 8y As shown in (a), it can be seen that glare occurs. Figure 8y (b) shows an image formed on an image sensor in a dark room when the first retainer groove or the second retainer groove is formed on the inclined surface of the retainer. As described above, it can be seen that the glare phenomenon caused by the accidental refraction or reflection of light caused by the first retainer groove or the second retainer groove is suppressed.

[0396] Figure 9a is a perspective view showing a tilt guide unit of a first camera actuator according to an embodiment, Figure 9b yes Figure 9a perspective views from different directions, and Fig.9c It is along Figure 9a The figure is taken along line FF'.

[0397] The tilt guide unit 1141 according to the embodiment may include a base BS, a first protrusion PR1 protruding from a first surface 1141a of the base BS, and a second protrusion PR2 protruding from a second surface 1141b of the base BS. In addition, according to the structure, the surfaces forming the first protrusion and the second protrusion may be opposite to each other, which will be described below with reference to the accompanying drawings. In addition, it should be understood that the first protrusion PR1 and the second protrusion PR2 may be formed to be integral with the base BS, and the first protrusion PR1 and the second protrusion PR2 may have a spherical shape similar to a ball as shown in the figure. In addition, the first protrusion PR1 and the second protrusion PR2 may not be convex or protruding, but spherical.

[0398] First, the base BS may include a first surface 1141a and a second surface 1141b facing the first surface 1141a. That is, the first surface 1141a may be spaced apart from the second surface 1141b in the third direction (Z-axis direction), and the first surface and the second surface may be outer sides facing or opposite to each other inside the tilt guide unit 1141.

[0399] The tilt guide unit 1141 may include a first protrusion PR1 extending from the first surface 1141a toward one side. According to an embodiment, the first protrusion PR1 may protrude from the first surface 1141a toward the holder. The first protrusion PR1 is provided in plural and may include a 1-1 protrusion PR1a and a 1-2 protrusion PR1b.

[0400] The 1-1 protrusion PR1a and the 1-2 protrusion PR1b may be arranged side by side in the first direction (X-axis direction). In other words, the 1-1 protrusion PR1a and the 1-2 protrusion PR1b may overlap in the first direction (X-axis direction). In addition, in the embodiment, the 1-1 protrusion PR1a and the 1-2 protrusion PR1b may be bisected by an imaginary line extending in the first direction (X-axis direction).

[0401] In addition, the 1-1st protrusion PR1a and the 1-2nd protrusion PR1b may have a curvature and, for example, may be hemispherical. In addition, the 1-1st protrusion PR1a and the 1-2nd protrusion PR1b may contact the first groove of the case at a point farthest from the first surface 1141a of the base BS.

[0402] In addition, the tilt guide unit 1141 may include a second protrusion PR2 extending from the second surface 1141b toward one side. According to an embodiment, the second protrusion PR2 may protrude from the second surface 1141b toward the housing. In addition, the second protrusion PR2 is provided in plurality, and may include a 2-1 protrusion PR2a and a 2-2 protrusion PR2b in an embodiment.

[0403] The 2-1 protrusion PR2a and the 2-2 protrusion PR2b may be arranged side by side in the second direction (Y-axis direction). That is, the 2-1 protrusion PR2a and the 2-2 protrusion PR2b may overlap in the second direction (Y-axis direction). In addition, in the embodiment, the 2-1 protrusion PR2a and the 2-2 protrusion PR2b may be bisected by an imaginary line extending in the second direction (Y-axis direction).

[0404] The 2-1st protrusion PR2a and the 2-2nd protrusion PR2b may have a curvature and, for example, may be hemispherical.In addition, the 2-1st protrusion PR2a and the 2-2nd protrusion PR2b may contact the second member 1131a at a point spaced apart from the second surface 1141b of the base BS.

[0405] The 1-1 protrusion PR1a and the 1-2 protrusion PR1b may be located in the area between the 2-1 protrusion PR2a and the 2-2 protrusion PR2b in the second direction. According to an embodiment, the 1-1 protrusion PR1a and the 1-2 protrusion PR1b may be located in the center of the separation space between the 2-1 protrusion PR2a and the 2-2 protrusion PR2b in the second direction. Through such a configuration, the actuator according to the embodiment can allow the X-axis tilt to have the same angle range relative to the X-axis. In other words, the tilt guide unit 1141 can set the range (e.g., positive range / negative range) of the retainer for performing the X-axis tilt to be the same relative to the 1-1 protrusion PR1a and the 1-2 protrusion PR1b.

[0406] In addition, the 2-1 protrusion PR2a and the 2-2 protrusion PR2b may be located in the region between the 1-1 protrusion PR1a and the 1-2 protrusion PR1b in the first direction. According to an embodiment, the 2-1 protrusion PR2a and the 2-2 protrusion PR2b may be located in the center of the separation space between the 1-1 protrusion PR1a and the 1-2 protrusion PR1b in the first direction. By such a configuration, the actuator according to the embodiment may allow the Y-axis to tilt with the same angle range relative to the Y-axis. In other words, the tilting guide unit 1141 and the retainer may set the range (e.g., positive range / negative range) that can be tilted along the Y-axis to be the same relative to the Y-axis with the 2-1 protrusion PR2a and the 2-2 protrusion PR2b as reference.

[0407] Specifically, the first surface 1141a may include a first external line M1, a second external line M2, a third external line M3, and a fourth external line M4. The first external line M1 and the second external line M2 may face each other, and the third external line M3 and the fourth external line M4 may face each other. In addition, the third external line M3 and the fourth external line M4 may be located between the first external line M1 and the second external line M2. In addition, the first external line M1 and the second external line M2 may be perpendicular to the first direction (X-axis direction), and the third external line M3 and the fourth external line M4 may be parallel to the first direction (X-axis direction).

[0408] At this point, the first protrusion PR1 may be located on the first imaginary line VL1. Here, the first imaginary line VL1 is a line that bisects the first outer line M1 and the second outer line M2. Alternatively, the first imaginary line VL1 and the third imaginary line VL1' are lines that bisect the base BS in the second direction (Y-axis direction). Therefore, the tilting guide unit 1141 can easily perform X-axis tilting through the first protrusion PR1. In addition, since the tilting guide unit 1141 performs X-axis tilting based on the first imaginary line VL1, the rotational force can be uniformly applied to the tilting guide unit 1141. Therefore, the X-axis tilting can be accurately performed, and the reliability of the device can be improved.

[0409] In addition, the 1-1 protrusion PR1a and the 1-2 protrusion PR1b can be symmetrically arranged relative to the first imaginary line VL1 and the second imaginary line VL2. Alternatively, the 1-1 protrusion PR1a and the 1-2 protrusion PR1b can be symmetrical relative to the first center point. With such a configuration, when the X-axis tilt is performed, the supporting force supported by the first protrusion PR1 can be equally applied to the upper and lower sides relative to the second imaginary line VL2. Therefore, the reliability of the tilting guide unit can be improved. Here, the second imaginary line VL2 is a line that bisects the third outer line M3 and the fourth outer line M4. Alternatively, the second imaginary line VL2 and the fourth imaginary line VL2' are lines that bisect the base BS in the first direction (X-axis direction).

[0410] In addition, the first center point may be an intersection point of the first imaginary line VL1 and the second imaginary line VL2 Alternatively, it may be a point corresponding to the center of gravity according to the shape of the tilt guide unit 1141 .

[0411] In addition, the second surface 1141b may include a fifth external line M1', a sixth external line M2', a seventh external line M3', and an eighth external line M4'. The fifth external line M1' and the sixth external line M2' may face each other, and the seventh external line M3' and the eighth external line M4' may face each other. In addition, the seventh external line M3' and the eighth external line M4' may be located between the fifth external line M1' and the sixth external line M2'. In addition, the fifth external line M1' and the sixth external line M2' are perpendicular to the first direction (X-axis direction), and the seventh external line M3' and the eighth external line M4' may be parallel to the first direction (X-axis direction).

[0412] In addition, since the tilt guide unit 1141 performs Y-axis tilt based on the fourth imaginary line VL2', a rotation force may be uniformly applied to the tilt guide unit 1141. Therefore, the Y-axis tilt may be accurately performed, and reliability of the device may be improved.

[0413] In addition, the 2-1 protrusion PR2a and the 2-2 protrusion PR2b can be symmetrically arranged on the fourth imaginary line VL2' relative to the third imaginary line VL1'. Alternatively, the 2-1 protrusion PR2a and the 2-2 protrusion PR2b can be symmetrical relative to the second center point. Through such a configuration, when the Y-axis tilt is performed, the supporting force supported by the second protrusion PR2 can be equally applied to the upper and lower sides of the tilting guide unit relative to the fourth imaginary line VL2'. Therefore, the reliability of the tilting guide unit can be improved. Here, the third imaginary line VL1' is a line that bisects the fifth outer line M1' and the sixth outer line M2'. In addition, the second center point can be the intersection of the third imaginary line VL1' and the fourth imaginary line VL2'. Alternatively, depending on the shape of the tilting guide unit 1141, it can be a point corresponding to the center of gravity.

[0414] In addition, the distance DR2 between the 1-1 protrusion PR1a and the 1-2 protrusion PR1b in the first direction (X-axis direction) may be greater than the length of the second protrusion PR2 in the first direction (X-axis direction). Therefore, when X-axis tilting is performed relative to the 1-1 protrusion PR1a and the 1-2 protrusion PR1b, the resistance generated by the second protrusion PR2 may be minimized.

[0415] Correspondingly, the distance ML2 between the 2-1st protrusion PR2a and the 2-2nd protrusion PR2b in the second direction (Y-axis direction) may be greater than the length of the first protrusion PR1 in the second direction (Y-axis direction). Therefore, when Y-axis tilting is performed relative to the 2-1st protrusion PR2a and the 2-2nd protrusion PR2b, the resistance generated by the first protrusion PR1 may be minimized.

[0416] Fig.10 is a diagram illustrating a first driving unit of a first camera actuator according to an embodiment.

[0417] Reference Fig.10 The first driving unit 1150 includes a driving magnet 1151 , a driving coil 1152 , a Hall sensor unit 1153 , a first substrate unit 1154 and a yoke unit 1155 .

[0418] In addition, as described above, the driving magnet 1151 may include a first magnet 1151a, a second magnet 1151b, and a third magnet 1151c providing driving force by electromagnetic force. The first magnet 1151a, the second magnet 1151b, and the third magnet 1151c may be located on the outer side of the holder 1131, respectively.

[0419] In addition, the driving coil 1152 may include a plurality of coils. As an embodiment, the driving coil 1152 may include a first coil 1152a, a second coil 1152b, and a third coil 1152c.

[0420] The first coil 1152a may face the first magnet 1151a. Therefore, as described above, the first coil 1152a may be located in the first housing hole 1121a of the first housing side 1121. In addition, the second coil 1152b may face the second magnet 1151b. Therefore, as described above, the second coil 1152b may be located in the second housing hole 1122a of the second housing side 1122.

[0421] When OIS is achieved by controlling the rotation of the mover 1130 in the first axis (X-axis) direction or the second axis (Y-axis) direction by the electromagnetic force between the driving magnet 1151 and the driving coil 1152, the second camera actuator according to the embodiment can provide optimal optical characteristics by minimizing the occurrence of decentering or tilting phenomena.

[0422] In addition, according to an embodiment, since the size limitation of the actuator can be solved by implementing OIS by the tilt guide unit 1141 of the rotating unit 1140 set between the first shell 1120 and the mover 1130, an ultra-thin and ultra-small camera actuator and a camera module including the camera actuator can be provided.

[0423] The first substrate unit 1154 may include a first substrate side portion 1154 a , a second substrate side portion 1154 b , and a third substrate side portion 1154 c .

[0424] The first substrate side portion 1154a and the second substrate side portion 1154b may be disposed to face each other. In addition, the third substrate side portion 1154c may be located between the first substrate side portion 1154a and the second substrate side portion 1154b.

[0425] In addition, the first substrate side portion 1154a can be located between the first shell side portion and the shielding cover, and the second substrate side portion 1154b can be located between the second shell side portion and the shielding cover. In addition, the third substrate side portion 1154c can be located between the third shell side portion and the shielding cover, and can be the bottom surface of the first substrate unit 1154.

[0426] The first substrate side portion 1154a may be combined with and electrically connected to the first coil 1152a. In addition, the first substrate side portion 1154a may be combined with and electrically connected to the first Hall sensor 1153a.

[0427] The second substrate side portion 1154b may be combined with and electrically connected to the second coil 1152b. In addition, it should be understood that the second substrate side portion 1154b may also be combined with and electrically connected to the first Hall sensor.

[0428] The third substrate side portion 1154c may be combined with and electrically connected to the third coil 1152c. In addition, the third substrate side portion 1154c may be combined with and electrically connected to the second Hall sensor 1153b.

[0429] The yoke unit 1155 may include a third yoke 1155a, a fourth yoke 1155b, and a fifth yoke 1155c. The third yoke 1155a may be located inside the first mounting groove and combined with the first magnet 1151a. In addition, the fourth yoke 1155b may be located inside the second mounting groove and combined with the second magnet 1151b. In addition, the fifth yoke 1155c may be located inside the third mounting groove and combined with the third magnet 1151c. The third yoke 1155a to the fifth yoke 1155c allow the first magnet 1151a to the third magnet 1151c to be easily installed in the first mounting groove to the third mounting groove to be combined with the housing.

[0430] Fig.11a is a perspective view showing a first camera actuator according to an embodiment, Fig.11b It is along Fig.11a The line PP' intercepts the graph, Fig.11c It is along Fig.11a The line QQ' intercepts the graph, Fig.11d is a rear view showing a first camera actuator according to an embodiment, and Fig.11e is a top view showing a first camera actuator according to an embodiment.

[0431] Reference Figures 11a to 11c , the first coil 1152a may be located on the first housing side 1121, and the first magnet 1151a may be located on the first holder outer side 1131S1 of the holder 1131. Therefore, the first coil 1152a and the first magnet 1151a may face each other. The first magnet 1151a may at least partially overlap with the first coil 1152a in the second direction (Y-axis direction).

[0432] In addition, the second coil 1152b can be located on the second housing side 1122, and the second magnet 1151b can be located on the second holder outer side 1131S2 of the holder 1131. Therefore, the second coil 1152b and the second magnet 1151b can face each other. The second magnet 1151b can at least partially overlap with the second coil 1152b in the second direction (Y-axis direction).

[0433] In addition, the first coil 1152a and the second coil 1152b may overlap in the second direction (Y-axis direction), and the first magnet 1151a and the second magnet 1151b may overlap in the second direction (Y-axis direction).

[0434] With such a configuration, since the electromagnetic force applied to the outer side surfaces of the holder (the first holder outer side surface and the second holder outer side surface) can be located on parallel axes in the second direction (Y-axis direction), X-axis tilting can be performed accurately and precisely.

[0435] In addition, the second protrusions PR2a and PR2b of the tilt guide unit 1141 may contact the first member 1126 of the first housing 1120. The second protrusion PR2 may be mounted inside a second protrusion groove PH2 formed on one side of the first member 1126. In addition, when the X-axis tilt is performed, the second protrusions PR2a and PR2b may be a reference axis (or rotation axis) for the tilt. Therefore, the tilt guide unit 1141 and the mover 1130 may move along the second direction.

[0436] In addition, as described above, the first hall sensor 1153a may be located outside for electrical connection and combination with the first substrate unit 1154. However, it is not limited to this location.

[0437] In addition, the third coil 1152c may be located on the third housing side 1123, and the third magnet 1151c may be located on the third holder outer side 1131S3 of the holder 1131. The third coil 1152c may at least partially overlap with the third magnet 1151c in the first direction (X-axis direction). Therefore, the strength of the electromagnetic force between the third coil 1152c and the third magnet 1151c may be easily controlled.

[0438] As described above, the tilting guide unit 1141 may be located on the fourth holder outer side surface 1131S4 of the holder 1131. In addition, the tilting guide unit 1141 may be installed inside the fourth mounting groove 1131S4a of the fourth holder outer side surface. As described above, the fourth mounting groove 1131S4a may include the first area AR1, the second area AR2, and the third area AR3 as described above.

[0439] The second member 1131a may be disposed in the first area AR1, and the second member 1131a may include a first groove gr1 formed on the inner side. In addition, the second magnet 1142 is disposed in the first groove gr1 as described above, and the repulsive force RF2 generated by the second magnet 1142 may be transmitted RF2' to the fourth mounting groove 1131S4a of the holder 1131 through the second member 1131a. Therefore, the holder 1131 may apply a force to the tilt guide unit 1141 in the same direction as the repulsive force RF2 generated by the second magnet 1142.

[0440] The first member 1126 may be disposed in the second area AR2. The first member 1126 may include a second groove gr2 facing the first groove gr1. In addition, the first member 1126 may include a second protruding groove PH2 disposed on a surface corresponding to the second groove gr2. In addition, the repulsive force RF1 generated by the first magnet 1143 may be applied to the first member 1126. Therefore, the first member 1126 and the second member 1131a may press the tilting guide unit 1141 disposed between the first member 1126 and the retainer 1131 by the generated repulsive forces RF1 and RF2'. Therefore, even after the retainer is tilted relative to the X-axis or Y-axis by the current applied to the first coil and the second coil or the third coil 1152c, the combination between the retainer 1131, the first shell 1120 and the tilting guide unit 1141 (or the position of the retainer 1131, the first shell 1120 and the tilting guide unit 1141) may be maintained.

[0441] The tilting guide unit 1141 may be disposed in the third area AR3. As described above, the tilting guide unit 1141 may include a first protrusion PR1 and a second protrusion PR2. In this regard, the first protrusion PR1 and the second protrusion PR2 may be disposed on the second surface 1141b and the first surface 1141a of the base BS, respectively. In this manner, in another embodiment described below, the first protrusion PR1 and the second protrusion PR2 may be differently located on opposite surfaces of the base.

[0442] The first protrusion groove PH1 can be located in the fourth mounting groove 1131S4a. In addition, the first protrusion PR1 of the tilting guide unit 1141 can be accommodated in the first protrusion groove PH1. Therefore, the first protrusion PR1 can be in contact with the first protrusion groove PH1. The maximum diameter of the first protrusion groove PH1 can correspond to the maximum diameter of the first protrusion PR1. This can also be applied to the second protrusion groove PH2 and the second protrusion PR2. With such a configuration, the first axis tilting can easily occur relative to the first protrusion PR1, and the second axis tilting can easily occur relative to the second protrusion PR2, and the radius of tilting can be improved.

[0443] In addition, since the tilting guide unit 1141 is arranged to be parallel to the second member 1131a and the first member 1126 in the third direction (Z-axis direction), the tilting guide unit 1141 can overlap with the optical member 1132 in the first direction (X-axis direction). More specifically, in an embodiment, the first protrusion PR1 can overlap with the optical member 1132 in the first direction (X-axis direction). In addition, at least a portion of the first protrusion PR1 can overlap with the third coil 1152c or the third magnet 1151c in the first direction (X-axis direction). That is, in the camera actuator according to the embodiment, each protrusion as the central axis of the tilt can be located near the center of gravity of the mover 1130. Therefore, the tilting guide unit can be located near the center of gravity of the holder. Therefore, since the camera actuator according to the embodiment can minimize the moment value of the tilting holder, and can also minimize the amount of current applied to the coil unit, etc. to tilt the holder, the energy consumption and reliability of the device can be improved.

[0444] In addition, the second magnet 1142 and the first magnet 1143 may not overlap with the third coil 1152c or the optical member 1132 in the first direction (X-axis direction). In other words, in an embodiment, the second magnet 1142 and the first magnet 1143 may be spaced apart from the third coil 1152c or the optical member 1132 in the third direction (Z-axis direction). Therefore, the magnetic force transmitted from the second magnet 1142 and the first magnet 1143 to the third coil 1152c can be minimized. Therefore, the camera actuator according to the embodiment can easily perform up and down driving (Y-axis tilt) and minimize energy consumption.

[0445] In addition, as described above, the second Hall sensor 1153b located inside the third coil 1153c can detect changes in magnetic flux, and accordingly, position sensing between the third magnet 1151c and the second Hall sensor 1153b can be performed. At this point, the offset voltage of the second Hall sensor 1153b can be changed according to the influence of the magnetic field formed by the second magnet 1142 and the first magnet 1143.

[0446] In the first camera actuator according to the embodiment, the second member 1131a, the second magnet 1142, the first magnet 1143, the first member 1126, the tilt guide unit 1141 and the holder 1131 may be arranged in sequence from the outermost side in the third direction. However, since the second magnet is located inside the second member and the first magnet is located inside the first member, they may be arranged in the order of the second member, the first member, the tilt guide unit and the holder.

[0447] In addition, as an embodiment, the separation distance of the second magnet 1142 and the first magnet 1143 from the holder 1131 (or the optical member 1132) in the third direction can be greater than the separation distance of the tilt guide unit 1141. Therefore, the second Hall sensor 1153b below the holder 1131 can also be set to be separated from the second magnet 1142 and the first magnet 1143 by a predetermined distance. Therefore, since the influence of the magnetic field formed by the second magnet 1142 and the first magnet 1143 is minimized, the second Hall sensor 1153b can prevent the Hall voltage from being positively or negatively concentrated and saturated. That is, this configuration allows the Hall electrode to have a range in which Hall calibration can be performed. In addition, although the temperature is also affected by the electrode of the Hall sensor, and the resolution of the camera lens varies according to the temperature, in an embodiment, since the Hall voltage is prevented from being positively or negatively concentrated and saturated, and compensation for the resolution of the lens is also performed accordingly, the reduction in resolution can be easily prevented.

[0448] In addition, a circuit design for compensating for an offset in the output (ie, the Hall voltage) of the second Hall sensor 1153b can also be easily implemented.

[0449] In addition, according to an embodiment, a portion of the tilt guide unit 1141 may be located outside the fourth holder outer side surface, compared to the fourth holder outer side surface 1131 .

[0450] In addition to the first protrusion PR1 and the second protrusion PR2, the tilt guide unit 1141 can be installed inside the fourth installation groove 1131S4a relative to the base. In other words, the length of the base in the third direction (Z-axis direction) can be smaller than the length of the fourth installation groove 1131S4a in the third direction (Z-axis direction). Through such a configuration, miniaturization can be easily achieved.

[0451] In addition, the maximum length of the inclined guide unit 1141 in the third direction (Z-axis direction) can be longer than the length of the fourth mounting groove 1131S4a in the third direction (Z-axis direction). Therefore, as described above, the end of the second protrusion PR2 can be located between the outer side of the fourth retainer and the first member 1126. That is, compared with the retainer 1131, at least a portion of the second protrusion PR2 can be located in the opposite direction of the third direction (Z-axis direction). In other words, the retainer 1131 can be spaced apart from the end of the second protrusion PR2 (the portion in contact with the second protruding groove) by a predetermined distance in the third direction (Z-axis direction).

[0452] In addition, the front surface 1131aes of the second member 1131a according to the embodiment may be spaced apart from the front surface 1126es of the first member 1126. In particular, the front surface 1131aes of the second member 1131a according to the embodiment may be located on the front surface 1126es of the first member 1126 toward the third direction (Z-axis direction). Alternatively, the front side 1131aes of the second member 1131a according to the embodiment may be located inside the front side 1126es of the first member 1126. To this end, the first member 1126 may have a structure extending and bending toward the inside. In addition, a portion of the second member 1131a may be located in a groove formed by the extension and bending structure of the above-mentioned first member 1126.

[0453] By such a configuration, since the second member 1131a is located inside the first member 1126, space efficiency can be improved and miniaturization can be achieved. In addition, although the driving (tilting or rotation of the mover 1130) is performed by electromagnetic force, since the second member 1131a does not protrude toward the outside of the first member 1126, contact with surrounding elements can be prevented. Therefore, reliability can be improved.

[0454] In addition, a predetermined separation space may exist between the second magnet 1142 and the first magnet 1143. In other words, the second magnet 1142 and the first magnet 1143 may face each other with the same polarity.

[0455] Further observation Fig.11d and Fig.11e , in the first camera actuator according to the embodiment, the first magnet may be located in the first housing 1120 , and the second magnet may be located in the mover 1130 .

[0456] As described above, according to the embodiment, the first magnet and the second magnet are disposed to face each other to generate a repulsive force. The repulsive force is a holding force, and the position between the first housing 1120 and the mover 1130 can be held by the repulsive force.

[0457] More specifically, the first member 1126 may include a second groove gr2 disposed on the outer side. The first magnet 1143 may be located in the second groove gr2. In addition, the second groove gr2 may be located on the opposite side (or opposite surface) of the second protruding groove and the first member 1126.

[0458] In addition, the second member 1131a may include a first groove gr1 facing the second groove gr2. The first groove gr1 may be located on an inner side of the second member 1131a. In addition, the second magnet 1142 may be located in the first groove gr1.

[0459] In addition, the first member 1126 may be provided at one side of the first housing 1120. In addition, the second member 1131a may pass through the first member 1126 and contact the holder 1131 to be combined with the holder 1131. Therefore, the tilt guide unit 1141 may be provided between the first member 1126 and the mover (or holder 1131).

[0460] In addition, the second magnet 1142, the first magnet 1143 and the tilt guide unit 1141 may be sequentially arranged along the optical axis direction (Z axis direction). In addition, the second magnet 1142, the first magnet 1143 and the tilt guide unit 1141 may overlap along the optical axis direction (Z axis direction).

[0461] In addition, the plate CP may be located on the outer side surface of the first member 1126. Therefore, the plate CP, the second magnet 1142, and the first magnet 1143 may be sequentially disposed along the optical axis direction.

[0462] In addition, the length LL1 in the first direction (X-axis direction) of the plate CP may be longer than the length LL2 in the first direction (X-axis direction) of the second magnet 1142. In addition, the length LL2 in the first direction (X-axis direction) of the second magnet 1142 may be different from the length LL3 in the first direction (X-axis direction) of the first magnet 1143. For example, the length LL2 in the first direction (X-axis direction) of the second magnet 1142 may be longer than the length LL3 in the first direction (X-axis direction) of the first magnet 1143. In addition, the area XY of the plate CP may be greater than the area (XY plane) of the first member 1126 or the area (XY plane) of the second member 1131a. In addition, the plate CP may be a non-magnetic body as described above. Therefore, the plate CP may inhibit the inflow of foreign matter into the first member 1126, the second member 1131a, the first magnet 1143, and the second magnet 1142 disposed inside the first shell 1120.

[0463] In addition, the plate CP may be made of a magnet. At this point, the plate CP may form a magnetic force together with the second magnet 1142. For example, an attractive force may be formed between the plate CP and the second magnet 1142. For example, the plate CP may form an attractive force together with the second magnet 1142 as a yoke. Therefore, the attractive force formed between the plate CP and the second magnet 1142 may enhance the above-mentioned repulsive force. Therefore, the holding force between the mover and the housing may be further increased. In addition, the reliability of the first camera actuator may be improved by the increased holding force. For example, the surface (or area) 1142a of the second magnet 1142 facing the first magnet 1143 may have the same polarity as the polarity of one surface 1143b of the first magnet 1143. In addition, the surface 1142b of the second magnet 1142 facing the plate CP may have a polarity different from the polarity of the plate CP. At this point, the plate CP may be made of a magnet. In addition, the other surface 1143a of the second magnet 1142 may have a polarity different from that of the one surface 1143b. This is described based on the case where the first magnet 1143 and the second magnet 1142 are magnets.

[0464] By such a configuration, the repulsive force between the second magnet 1142 and the first magnet 1143 can be further increased by the plate CP. In other words, an attractive force PF can be generated between the second magnet 1142 and the plate CP. In addition, the plate CP is made of a magnet such as metal, and can prevent leakage of magnetic flux. For example, the plate CP can prevent leakage magnetic flux generated by the first magnet 1143 or the second magnet 1142. The plate CP can improve the electrical reliability of the first camera actuator.

[0465] In addition, in the housing wall portion 1124, the wall portion 1124a may not overlap with the optical member 1132 along the optical axis direction. In addition, in the housing wall portion 1124, the wall portion 1124a may not be aligned with the optical member 1132 along the optical axis direction.

[0466] In addition, the housing wall portion 1124 may overlap with the retainer in the optical axis direction (Z-axis direction). Therefore, even if the mover (i.e., the retainer) is tilted, the movement may be restricted by the housing wall portion 1124 for the anti-shake function. In addition, the impact caused by the housing wall portion 1124 and the retainer colliding with each other may not occur in the first member or the second member. Therefore, the reliability of the first member and the second member can be improved.

[0467] Fig.12a is a perspective view showing a first camera actuator according to an embodiment, Figure 12b It is along Fig.12a The line SS' intercepts the graph, and Fig.12c It is shown Figure 12b An example diagram of the movement of the camera actuator is shown in FIG.

[0468] Reference Figures 12a to 12c According to an embodiment, Y-axis tilt can be performed in the first camera actuator. That is, OIS can be implemented by rotating in the first direction (X-axis direction).

[0469] As an example, the third magnet 1151 c disposed on the bottom of the holder 1131 may form an electromagnetic force together with the third coil 1152 c and tilt or rotate the mover 1130 in the second direction (Y-axis direction).

[0470] Specifically, the repulsive force between the second magnet 1142 and the first magnet 1143 may be transmitted to the second member 1131a and the first member 1126, and finally to the tilting guide unit 1141 disposed between the first member 1126 and the holder 1131. Therefore, the tilting guide unit 1141 may be pressed by the mover 1130 and the first housing 1120 by the above-mentioned repulsive force.

[0471] In addition, the second protrusion PR2 may be supported by the first member 1126. In this regard, as an embodiment, the tilt guide unit 1141 may use the second protrusion PR2 protruding toward the first member 1126 as a reference axis (or rotation axis), that is, rotate or tilt in the second direction (Y-axis direction). In other words, the tilt guide unit 1141 may use the second protrusion PR2 protruding toward the first member 1126 as a reference axis (or rotation axis) to rotate or tilt in the first direction (X-axis direction).

[0472] For example, OIS may be implemented by rotating the mover 1130 by a first angle θ1 (X1->X1a) in the X-axis direction by first electromagnetic forces F1A and F1B between a third magnet 1151c disposed in a third mounting groove and a third coil 1152c disposed on a third substrate side.

[0473] In contrast, OIS may be achieved by rotating the mover 1130 by a first angle θ1 (X1->X1b) in a direction opposite to the X-axis direction by first electromagnetic forces F1A and F1B between a third magnet 1151c disposed in a third mounting groove and a third coil 1152c disposed on a third substrate side.

[0474] The first angle θ1 may be ±1° to ±3°, but is not limited thereto.

[0475] Hereinafter, in the first camera actuator according to various embodiments, the electromagnetic force may move the mover by generating a force in the direction, or may move the mover in the direction despite generating a force in a different direction. That is, the direction of the electromagnetic force represents the direction of the force generated by the magnet and the coil to move the mover. For example, the first electromagnetic forces F1A and F1B may act in a third direction or in a direction opposite to the third direction.

[0476] In addition, the center MC1 of the second magnet 1142 and the center MC2 of the first magnet 1143 may be arranged in parallel along the third direction (Z-axis direction). In other words, the center line TL1 connecting the center MC1 of the second magnet 1142 and the center MC2 of the first magnet 1143 may be parallel to the third direction (Z-axis direction).

[0477] In addition, the bisector TL2 that bisects the second protrusion PR2 and corresponds to the third direction (Z-axis direction) may be parallel to the center line TL1 (or bisector). In other words, the bisector TL2 may be a line that bisects the second protrusion PR2 in the first direction (X-axis direction), and may be provided in plurality.

[0478] As an embodiment, the bisector TL2 can be set to be spaced apart from the center line TL1 in the first direction (X-axis direction). The bisector TL2 can be located above the center line TL1. By such a configuration, the separation distance from the third coil 1152c or the third magnet 1151c is increased, and the retainer can be tilted more accurately on two axes. In addition, the position of the retainer can remain the same even when no current is applied to the coil.

[0479] More specifically, since the center MC1 of the second magnet 1142 and the center MC2 of the first magnet 1143 are spaced apart from the bisector TL2 in the first direction (X-axis direction), the force (e.g., repulsive force) between the second magnet 1142 and the first magnet 1143 can be used to be spaced apart from the bisector TL2 corresponding to the optical axis in the first direction (X-axis direction). In addition, the force generates momentum in the mover 1130. However, when the center MC1 of the second magnet 1142 and the center MC2 of the first magnet 1143 are located on the bisector TL2, there is a problem that the positions of the tilt guide unit and the second magnet 1142 cannot be maintained when calibration is performed after tilting. That is, since the camera actuator according to the embodiment does not allow the center MC1 of the second magnet 1142 and the center MC2 of the first magnet 1143 to be set on the bisector TL2, the positions of the tilt guide unit and the second magnet 1142 can be maintained after tilting or rotating.

[0480] As another embodiment, the center MC1 of the second magnet 1142 and the center MC2 of the first magnet 1143 may be disposed to be spaced apart from each other in the first direction (X-axis direction).

[0481] In addition, the center MC1 of the second magnet 1142 and the center MC2 of the first magnet 1143 may not be located on the bisector TL2. For example, the center MC1 of the second magnet 1142 and the center MC2 of the first magnet 1143 may be located above the bisector TL2.

[0482] Therefore, the separation distance from the third coil 1152c or the third magnet 1151c increases, and the holder can be tilted more accurately on two axes. In addition, the position of the holder can remain the same even when no current is applied to the coil.

[0483] In addition, in the first direction (X-axis direction), the length of the second magnet 1142 may be different from the length of the first magnet 1143 .

[0484] As an embodiment, the area of ​​the second magnet 1142 combined with the second member 1131a and tilted together with the mover 1130 can be larger than the area of ​​the first magnet 1143. For example, the length of the second magnet 1142 in the first direction (X-axis direction) can be longer than the length of the first magnet 1143 in the first direction (X-axis direction). In addition, the length of the second magnet 1142 in the second direction (Y-axis direction) can be longer than the length of the first magnet 1143 in the second direction (Y-axis direction). In addition, the first magnet 1143 can be located within an imaginary straight line extending the two ends of the second magnet 1142 in the third direction.

[0485] By such a configuration, when tilting or rotating is performed, even if the magnet on one side (e.g., the second magnet) is tilted, it is easy to prevent the force other than the vertical force generated by the tilt. That is, even if the second magnet tilts up and down together with the mover 1130, it will not receive a force (e.g., a repulsive force or an attractive force) opposite to the tilt from the first magnet 1143. Therefore, the driving efficiency can be improved.

[0486] In addition, according to an embodiment, the distance gap2 between the housing extension 1126b and the retainer 1131 may be smaller than the distance gap1 between the first member 1126 and the second member 1131a (the first extension and the second extension). In this regard, the distance gap2 between the housing extension 1126b and the retainer 1131 may be the length in the first direction (X-axis direction). In addition, the distance gap1 between the first member 1126 and the second member 1131a (the first extension and the second extension) may also be the length in the first direction (X-axis direction).

[0487] In addition, when the housing wall (wall or housing extension) contacts the retainer 1131, the housing (except the housing wall) can be spaced apart from the retainer 1131 by a predetermined distance. In other words, when the retainer 1131 is tilted, the retainer 1131 may initially collide with the housing wall. Therefore, the reliability of the housing 1120 and the retainer 1131 can be improved. Specifically, when the housing wall (wall or housing extension) contacts the retainer 1131, the first member 1126 can be spaced apart from the second member 1131a by a predetermined distance. Therefore, the impact applied to the first member 1126 and the second member 1131a can be eliminated.

[0488] As an example, when the retainer 1131 is tilted, the retainer 1131 may collide with the housing wall or the housing in a plurality of regions sequentially or simultaneously.

[0489] When the holder 1131 is tilted, the holder 1131 may initially collide with the wall (collision 2, collision 3), and collide again with the shell extension or the third shell side (or wall) (collision 1, collision 4). Therefore, the third shell side may contact the shell wall. In addition, the length of the third shell side in the optical axis direction may be longer than the length of the optical member 1132 in the optical axis direction. With such a configuration, the impact between the holder and the shell according to the tilt does not occur in the first member and the second member, and the impact absorption efficiency can be improved.

[0490] In addition, when the retainer 1131 is tilted, the retainer 1131 may initially collide with the housing extension or the third housing side (or wall) (collision 1, collision 4), and collide with the wall again (collision 2, collision 3). Therefore, the third housing side may contact the housing wall. In the same manner, the length of the third housing side in the optical axis direction may be longer than the length of the optical member 1132 in the optical axis direction. With such a configuration, impact between the tilted retainer and the housing does not occur in the first member and the second member, and impact absorption efficiency can be improved.

[0491] In addition, when the retainer 1131 is tilted, the retainer 1131 may collide with the shell extension or the third shell side (or wall) simultaneously in multiple areas (collision 1 and collision 2 occur simultaneously, or collision 3 and collision 4 occur simultaneously).

[0492] In addition, according to the above configuration, although the mover 1130 is rotated along the x-axis at the first angle θ1 (X1->X1a or X1b) by the first electromagnetic forces F1A and F1B as described above, no collision occurs between the first member 1126 and the second member 1131a. That is, the collision between the retainer 1131 and the housing wall 1124 may occur preferentially. Therefore, since the collision between the first member 1126 and the second member 1131a is suppressed, the reliability of the first member 1126 and the second member 1131a held in position relative to each other for OIS implementation can be improved. Therefore, the reliability of the first camera actuator can be improved.

[0493] Fig.13a It is along Fig.12a The graph intercepted by line RR', Fig.13b It is shown Fig.13a An example diagram of the movement of the camera actuator is shown in FIG. Fig.13c is a diagram showing the relative position of the housing wall Fig.13a FIG. 4 is a diagram showing the movement of the first camera actuator in a collision.

[0494] Reference Fig.13a and Fig.13b , X-axis tilting can be performed. That is, when the mover 1130 is tilted or rotated in the Y-axis direction, OIS can be implemented.

[0495] As an embodiment, the first and second magnets 1151a and 1151b provided in the holder 1131 respectively form electromagnetic force together with the first and second coils 1152a and 1152b to tilt or rotate the tilt guide unit 1141 and the mover 1130 relative to the first direction (X-axis direction).

[0496] Specifically, the repulsive force between the second magnet 1142 and the first magnet 1143 may be transmitted to the first member 1126 and the holder 1131, and finally to the tilting guide unit 1141 disposed between the holder 1131 and the first member 1126. Therefore, the tilting guide unit 1141 may be pressed by the mover 1130 and the first housing 1120 by the above-mentioned repulsive force.

[0497] In addition, the 1-1st protrusion PR1a and the 1-2nd protrusion PR1b may be spaced apart in the first direction (x-axis direction) and supported by the first protrusion groove PH1 formed in the fourth mounting groove 1131S4a of the holder 1131. In addition, as an embodiment, the tilt guide unit 1141 may use the first protrusion PR1 as a reference axis (or rotation axis), that is, rotate or tilt the first protrusion PR1 protruding toward the holder 1131 (for example, toward the third direction) relative to the first direction (X-axis direction).

[0498] For example, OIS can be achieved by rotating the mover 1130 in the Y-axis direction at a second angle θ2 (Y1->Y1a) by the second electromagnetic forces F2A and F2B between the first magnet 1151a and the second magnet 1151b disposed in the first mounting groove and the first coil 1152a and the second coil 1152b disposed on the first substrate side and the second substrate side. In addition, OIS can be achieved by rotating the mover 1130 in the Y-axis direction at a second angle θ2 (Y1->Y1b) by the second electromagnetic forces F2A and F2B between the first magnet 1151a and the second magnet 1151b disposed in the first mounting groove and the first coil 1152a and the second coil 1152b disposed on the first substrate side and the second substrate side. The second angle θ2 may be ±1° to 3°. However, it is not limited thereto.

[0499] In addition, as described above, the electromagnetic force generated by the first magnet 1151a and the second magnet 1151b and the first coil 1152a and the second coil 1152b can act in a third direction or in a direction opposite to the third direction. For example, the electromagnetic force can be generated on the left side of the mover 1130 in the third direction (Z-axis direction) and act on the right side of the mover 1130 in a direction opposite to the third direction (Z-axis direction). Therefore, the mover 1130 can rotate relative to the first direction. Or, it can move along the second direction.

[0500] In this way, since the second actuator according to the embodiment controls the rotation of the mover 1130 in the first direction (X-axis direction) or the second direction (Y-axis direction) by the electromagnetic force between the driving magnet in the holder and the driving coil provided in the first shell, the occurrence of decentering or tilting can be minimized, and optimal optical characteristics can be provided when OIS is implemented. In addition, as described above, "Y-axis tilt" means rotation or tilt in the first direction (X-axis direction), and "X-axis tilt" means rotation or tilt in the second direction (Y-axis direction).

[0501] According to an embodiment, the wall portion 1124a of the housing wall portion 1124 may not overlap with the optical member 1132 along the optical axis direction. That is, the wall portion 1124a of the housing wall portion 1124 may not be aligned with the optical member 1132 along the optical axis direction. In addition, the distance LLa in the second direction between adjacent wall portions 1124a may be greater than the length LLb in the second direction of the mounting surface in the holder 1131. In addition, the distance LLa in the second direction between adjacent wall portions 1124a may be greater than the length LLc in the second direction of the optical member 1132. Therefore, since the collision between the optical member 1132 and the wall portion 1124a can be prevented, damage to the optical member 1132 can be prevented in advance. In addition, the light emitted by the optical member 1132 may not be blocked by the wall portion 1124a.

[0502] As a modified embodiment, the housing wall 1124 may partially overlap the optical member 1132 along the optical axis direction. At this point, the housing wall 1124 and the optical member 1132 may not contact each other. In other words, even when the mover is tilted, the housing wall 1124 and the optical member 1132 do not contact each other. In addition, even when the mover is tilted to the maximum, the housing wall 1124 and the optical member 1132 may be spaced apart from each other.

[0503] In addition, the housing wall 1124 or the wall 1124a can overlap the first magnet 1151a and the second magnet 1151b along the optical axis direction (Z-axis direction). Therefore, the impact generated by the first magnet 1151a and the second magnet 1151b having relatively large weight can be easily absorbed by the wall 1124a.

[0504] In addition, the distance LLa in the second direction between the adjacent wall portions 1124a may be greater than the length LLd in the second direction of the second member 1131a. In addition, the distance LLa in the second direction between the adjacent wall portions 1124a may be greater than the length LLe in the second direction of the tilted guide unit 1141. Therefore, the housing wall portion 1124 may not overlap with the second member 1131a in the optical axis direction (Z axis direction). The housing wall portion 1124 may not be aligned with the second member 1131a in the optical axis direction (Z axis direction).

[0505] By such a configuration, it is possible to maximize the effective area of ​​the optical member 1132. In addition, it is possible to achieve miniaturization of the camera actuator while the holder 1131 has a small rotation radius for OIS driving.

[0506] As an embodiment, the distance between the first magnet 1143 and the second magnet 1142 may be greater than the distance between the holder 1131 and the housing wall 1124. In addition, even when the holder 1131 is tilted, the distance between the first groove and the second groove may be greater than the distance between the holder 1131 and the housing wall 1124. In addition, even when the holder 1131 is tilted and the housing wall and the holder 1131 are in contact, the first groove and the second groove may be spaced apart from each other. For example, the distance gap3 between the first magnet 1143 and the second magnet 1142 may be greater than the distance gap4 between the holder 1131 and the wall 1124a. With such a configuration, although the holder 1131 moves due to the movement or impact of the holder 1131, a preliminary collision may also occur between the holder 1131 and the housing wall 1124. Therefore, the impact on the first member and the second member that generate the holding force for rotation can be suppressed. Therefore, the reliability of the first member and the second member is improved, and the reliability of the first camera actuator can also be improved.

[0507] In addition, when the housing wall (wall or housing extension) contacts the retainer 1131, the housing (except the housing wall) can be spaced apart from the retainer 1131 by a predetermined distance. In other words, when the retainer 1131 is tilted, the retainer 1131 may initially collide with the housing wall. Therefore, the reliability of the housing 1120 and the retainer 1131 can be improved. Specifically, when the housing wall (wall or housing extension) contacts the retainer 1131, the first member 1126 can be spaced apart from the second member 1131a by a predetermined distance. Therefore, the impact applied to the first member 1126 and the second member 1131a can be eliminated.

[0508] In addition, the housing wall portion 1124 may not overlap with the first magnet 1143 or the second magnet 1142 along the optical axis direction.

[0509] Fig.14 is a perspective view showing a second camera actuator according to an embodiment, Fig.15 is an exploded perspective view showing a second camera actuator according to an embodiment, Fig.16 It is along Fig.14 The graph intercepted by line DD', Fig.17a , Fig.17b and Fig.17c is a perspective view showing a second housing in a second camera actuator according to an embodiment, Fig.18 and Fig.19 are diagrams each explaining an operation of a lens assembly according to an embodiment, and Fig. 20 2 is a diagram illustrating the operation of the second camera actuator according to the embodiment.

[0510] Reference Figures 14 to 16According to the embodiment, the second camera actuator may include a lens unit 1220, a second housing 1230, a second driving unit 1250, a base unit 1260, a second substrate unit 1270, a coupling member 1280, a stopper unit ST, and a yoke unit YK. In addition, the second camera actuator 1200 may further include a second shielding cover (not shown), an elastic unit (not shown), and a coupling member (not shown).

[0511] A second shielding cover (not shown) may be located in an area (e.g., the outermost side) of the second camera actuator 1200 to surround the following components (lens unit 1220, second housing 1230, second driving unit 1250, base unit 1260, second substrate unit 1270, and image sensor IS).

[0512] The second shield case (not shown) may block or reduce electromagnetic waves generated from the outside. Therefore, the occurrence of malfunction of the second driving unit 1250 may be reduced.

[0513] The lens unit 1220 may be located inside the second shield cover (not shown). The lens unit 1220 may be moved along a third direction (Z-axis direction or optical axis direction). Therefore, the above-mentioned AF function and zoom function may be performed.

[0514] In addition, the lens unit 1220 may be located inside the second housing 1230. Therefore, at least a portion of the lens unit 1220 may move inside the second housing 1230 along the optical axis direction or the third direction (Z-axis direction).

[0515] Specifically, the lens unit 1220 may include a lens group 1221 and a moving assembly 1222 .

[0516] First, the lens group 1221 may include more than one lens. In addition, although the lens group 1221 is provided in plural, the following description will be made assuming that the lens group 1221 includes one lens.

[0517] The lens group 1221 is combined with the moving assembly 1222 and may move in a third direction (Z-axis direction) by an electromagnetic force generated by a fourth magnet 1252 a and a fifth magnet 1252 b combined with the moving assembly 1222 .

[0518] As an embodiment, the lens group 1221 may include a first lens group 1221a, a second lens group 1221b, and a third lens group 1221c. The first lens group 1221a, the second lens group 1221b, and the third lens group 1221c may be arranged in sequence along the optical axis direction. In addition, the lens group 1221 may also include a fourth lens group 1221d. The fourth lens group 1221d may be arranged at the rear end of the third lens group 1221c.

[0519] The first lens group 1221a may be coupled and fixed to the 2-1 housing. In other words, the first lens group 1221a may not move along the optical axis direction.

[0520] The second lens group 1221b may be combined with the first lens assembly 1222a and move in a third direction or an optical axis direction. Fault adjustment may be performed by movement of the first lens assembly 1222a and the second lens group 1221b.

[0521] The third lens group 1221c may be combined with the second lens assembly 1222b and move in a third direction or optical axis direction. Focus adjustment or automatic focusing may be performed by the movement of the third lens group 1221c.

[0522] However, the number of lens groups is not limited, and the above-mentioned fourth lens group 1221d may be omitted, or an additional lens group other than the fourth lens group 1221d may be further provided.

[0523] The moving assembly 1222 may include an open area around the lens group 1221. The moving assembly 1222 is interchangeable with the lens group 1221. In addition, the moving assembly 1222 may be combined with the lens group 1221 in various ways. In addition, the moving assembly 1222 may include a groove on the side, and may be combined with the fourth magnet 1252a and the fifth magnet 1252b through the groove. A combining member or the like may be applied to the groove.

[0524] In addition, the moving assembly 1222 can be combined with an elastic unit (not shown) at the top end and the rear end. Therefore, the moving assembly 1222 can be supported by the elastic member (not shown) while moving in the third direction (Z-axis direction). In other words, the position of the moving assembly 1222 can be maintained in the third direction (Z-axis direction). The elastic unit (not shown) can be formed by various elastic elements such as leaf springs.

[0525] The moving assembly 1222 may be located inside the second housing 1230 and include a first lens assembly 1222a and a second lens assembly 1222b.

[0526] The area where the third lens group is installed in the second lens assembly 1222b can be located at the rear end of the first lens assembly 1222a. In other words, the area where the third lens group 1221c is installed in the second lens assembly 1222b can be located between the area where the second lens group 1221b is installed in the first lens assembly 1222a and the image sensor.

[0527] The first lens assembly 1222a and the second lens assembly 1222b may be mounted inside the 2-2 housing. For example, the recessed portion in which the ball is disposed in the first lens assembly 1222a may face the first side portion. In addition, the recessed portion in which the ball is disposed in the second lens assembly 1222b may face the second side portion. This will be described in detail below.

[0528] In addition, the second driving magnet can be installed on the outer side of the first lens assembly 1222a and the second lens assembly 1222b. For example, the fifth magnet 1252b can be installed on the outer side of the second lens assembly 1222b. The fourth magnet 1252a can be installed on the outer side of the first lens assembly 1222a.

[0529] The second housing 1230 may be disposed between the lens unit 1220 and a second shield case (not shown). In addition, the second housing 1230 may be disposed to surround the lens unit 1220.

[0530] The second housing 1230 may include a 2-1 housing 1231 and a 2-2 housing 1232. The 2-1 housing 1231 may be combined with the first lens group 1221a and may also be combined with the first camera actuator. The 2-1 housing 1231 may be located in front of the 2-2 housing 1232.

[0531] In addition, the 2-2nd housing 1232 may be located at the rear end of the 2-1st housing 1231. The lens unit 1220 may be installed inside the 2-2nd housing 1232.

[0532] The second housing 1230 (or the 2-2 housing 1232) may have holes formed in the respective side portions. The fourth coil 1251a and the fifth coil 1251b may be disposed in the holes. The holes may correspond to the grooves of the above-mentioned moving component 1222.

[0533] As an embodiment, the second housing 1230 (particularly the 2-2 housing 1232) may include a first side portion 1232a and a second side portion 1232b. The first side portion 1232a and the second side portion 1232b may correspond to each other. For example, the first side portion 1232a and the second side portion 1232b may be symmetrically arranged relative to the third direction. The second drive coil 1251 may be located on the first side portion 1232a and the second side portion 1232b. In addition, the second substrate unit 1270 may be mounted on the outer side surface of the first side portion 1232a and the second side portion 1232b. In other words, the first substrate 1271 may be located on the outer side surface of the first side portion 1232a, and the second substrate 1272 may be located on the outer side surface of the second side portion 1232b.

[0534] In addition, as another example, the first guide groove and the second guide groove facing the recess of the first lens assembly 1222a (the mounting groove for mounting the first ball and the second ball) may be located on the first side. In addition, the first guide groove and the second guide groove facing the recess of the second lens assembly 1222b may be located on the second side. At this point, it may be a structure in which a separate component (e.g., a guide unit) including the first guide groove and the second guide groove is combined with the 2-2 housing 1232. However, in the present embodiment, it will be described based on the integral structure in which the first guide groove and the second guide groove are formed in the 2-2 housing 1232. In addition, as shown in other examples, the first guide unit and the second guide unit may correspond to each other. For example, the first guide unit and the second guide unit may face each other relative to the third direction (Z-axis direction). In addition, the first guide unit and the second guide unit may at least partially overlap each other in the second direction (Y-axis direction).

[0535] The first guide unit and the second guide unit may include at least one groove (e.g., a guide groove) or a recess. In addition, the first ball B1 or the second ball B2 may be installed in the groove or the recess. Therefore, the first ball B1 or the second ball B2 may move in the third direction (Z-axis direction) inside the guide groove of the first guide unit or the guide groove of the second guide unit.

[0536] Alternatively, the first ball B1 or the second ball B2 may move in a third direction along a track formed inside the first side portion 1232a of the second housing 1230 or a track formed inside the second side portion 1232b of the second housing 1230 .

[0537] Therefore, the first lens assembly 1222a and the second lens assembly 1222b may move in the third direction.

[0538] According to an embodiment, the first ball B1 may be disposed on the top of the first lens assembly 1222a or the second lens assembly 1222b. In addition, the second ball B2 may be disposed on the bottom of the first lens assembly 1222a or the second lens assembly 1222b. For example, the first ball B1 may be located above the second ball B2. Therefore, depending on the position, the first ball B1 may at least partially overlap with the second ball B2 along the first direction (X-axis direction).

[0539] In addition, the 2-2 housing 1232 may include first guide grooves GG1a and GG2a facing the first recess RS1. In addition, the 2-2 housing 1232 may include second guide grooves GG1b and GG2b facing the second recess RS2. The first guide grooves GG1a and GG2a and the second guide grooves GG1b and GG2b may be grooves extending in a third direction (Z-axis direction). In addition, the first guide grooves GG1a and GG2a and the second guide grooves GG1b and GG2b may be grooves of different shapes. For example, the first guide grooves GG1a and GG2a may be grooves having inclined sides, and the second guide grooves GG1b and GG2b may be grooves having sides perpendicular to the bottom surface.

[0540] The fourth magnet and the fourth coil may be located on the first side. The fifth magnet and the fifth coil may be located on the second side. In addition, the fifth magnet 1252b may face the fifth coil 1251b. In addition, the fourth magnet 1252a may face the fourth coil 1251a.

[0541] The elastic unit (not shown) may include a first elastic member (not shown) and a second elastic member (not shown). The first elastic member (not shown) may be combined with the top surface of the moving component 1222. The second elastic member (not shown) may be combined with the bottom surface of the moving component 1222. In addition, the first elastic member (not shown) and the second elastic member (not shown) may be formed as a leaf spring as described above. In addition, the first elastic member (not shown) and the second elastic member (not shown) may provide elasticity for moving the moving component 1222. However, not limited to the above-mentioned positions, the elastic unit may be provided at various positions.

[0542] In addition, the second driving unit 1250 may provide a driving force for moving the lens unit 1220 in a third direction (Z-axis direction). The second driving unit 1250 may include a second driving coil 1251 and a second driving magnet 1252. In addition, the second driving unit 1250 may further include a second Hall sensor unit. The second Hall sensor unit 1253 includes at least one fourth Hall sensor 1253a, and may be located inside or outside the second driving coil 1251.

[0543] The moving component may move in the third direction (Z-axis direction) by the electromagnetic force formed between the second driving coil 1251 and the second driving magnet 1252 .

[0544] The second driving coil 1251 may include a fourth coil 1251a and a fifth coil 1251b. The fourth coil 1251a and the fifth coil 1251b may be disposed in a hole formed on a side of the second housing 1230. In addition, the fourth coil 1251a and the fifth coil 1251b may be electrically connected to the second substrate unit 1270. Therefore, current, etc. may be supplied to the fourth coil 1251a and the fifth coil 1251b through the second substrate unit 1270.

[0545] The second driving magnet 1252 may include a fourth magnet 1252a and a fifth magnet 1252b. The fourth magnet 1252a and the fifth magnet 1252b may be disposed in the groove of the moving component 1222 and may correspond to the fourth coil 1251a and the fifth coil 1251b.

[0546] The base unit 1260 may be located between the lens unit 1220 and the image sensor IS. Components such as filters may be fixed in the base unit 1260. In addition, the base unit 1260 may be arranged to surround the above-mentioned image sensor. Since the image sensor is free of foreign matter and the like through such a configuration, the reliability of the device may be improved. However, in the partial figures shown below, the description will be made by omitting the base unit. However, it may not be limited to this structure.

[0547] In addition, the second camera actuator 1200 may be a zoom actuator and an auto focus (AF) actuator. For example, the second camera actuator may support one or more lenses and perform at least one of an auto focus function and a zoom function by moving the lenses according to a control signal of a predetermined control unit.

[0548] In addition, the second camera actuator can be fixed zoom or continuous zoom. For example, the second camera actuator can provide movement of the lens group 1221.

[0549] In addition, the second camera actuator may be configured by a plurality of lens assemblies. For example, in addition to the first lens assembly 1222a and the second lens assembly 1222b, the second camera actuator may be configured to include one or more of a third lens assembly (not shown) and a guide pin (not shown). The description provided above may be applied to these contents. Therefore, the second camera actuator may perform a high magnification zoom function through a second drive unit. For example, the first lens assembly 1222a and the second lens assembly 1222b may be moving lenses moved by a second drive unit and a guide pin (not shown), and the third lens assembly (not shown) may be a fixed lens, but is not limited thereto. For example, the third lens assembly (not shown) may perform the function of a focuser that forms an image at a specific point, and the first lens assembly may perform the function of a converter that forms an image formed by the third lens assembly (not shown) as a focuser again at another point. At the same time, in the first lens assembly, as the distance to the object or the image distance changes significantly, the change in magnification will be large, and the first lens assembly as a converter may play an important role in changing the focal length or magnification of the optical system. At the same time, the image point forming the image in the first lens assembly as a converter may be slightly changed depending on the position. Therefore, the second lens assembly can perform a position compensation function on the image formed by the converter. For example, the second lens assembly can be used as a compensator to accurately form the image point forming the image in the second lens assembly 1222b as a converter at the actual image sensor position. However, the configuration of the present embodiment will be described based on the following figure.

[0550] The image sensor may be located inside or outside the second camera actuator. As an embodiment, as shown in the figure, the image sensor may be located outside the second camera actuator. For example, the image sensor may be located on a circuit board. The image sensor may receive light and convert the received light into an electrical signal. In addition, the image sensor may be formed by a plurality of pixels in an array form. In addition, the image sensor may be located on an optical axis.

[0551] The second substrate unit 1270 may be in contact with the side of the second shell. For example, the second substrate unit 1270 may be located on the outer side surface (first side surface) of the first side portion and the outer side surface (second side surface) of the second side portion of the second shell (particularly the 2-2 shell), and may be in contact with the first side surface and the second side surface.

[0552] The stopper unit ST includes a first stopper ST1 disposed at one end portion and a second stopper ST2 disposed at the other end portion of the 2-2 housing 1232. The first stopper ST1 and the second stopper ST2 may be sequentially disposed along the optical axis direction.

[0553] In addition, a plurality of first stoppers ST1 may be respectively arranged on the moving path of the first lens assembly and the moving path of the second lens assembly. For convenience, they are described as 1-1 stoppers ST1a and 1-2 stoppers ST1b. In the same manner, a plurality of second stoppers ST2 may be respectively arranged on the moving path of the first lens assembly and the moving path of the second lens assembly. In addition, they are described as 2-1 stoppers ST2a and 2-2 stoppers ST2b.

[0554] The 1-1st stopper ST1a and the 2-1st stopper ST2a may be located on a moving path of the first lens assembly, and the 1-2nd stopper ST1b and the 2-2nd stopper ST2b may be located on a moving path of the second lens assembly.

[0555] The 1-1st stopper ST1a and the 1-2nd stopper ST1b may overlap in the second direction. Alternatively, the 1-1st stopper ST1a and the 1-2nd stopper ST1b may not be aligned in the second direction.

[0556] In addition, the 2-1st stopper ST2a and the 2-2nd stopper ST2b may not be aligned in the second direction. The distance in the third direction between the 1-1st stopper ST1a and the 2-1st stopper ST2a may be smaller than the distance between the 1-2nd stopper ST1b and the 2-2nd stopper ST2b. This is a configuration that reflects the point that the movable distance (stroke) of the first lens assembly is smaller than the movable distance (stroke) of the second lens assembly.

[0557] As an embodiment, the second yoke unit or yoke unit YK may be disposed outside the second driving unit. For example, the yoke unit YK may be disposed outside the fourth coil and the fifth coil. The second yoke unit YK may include a first yoke YK1 and a second yoke YK2.

[0558] The first yoke YK1 and the second yoke YK2 may be disposed to face each other. For example, the first yoke YK1 and the second yoke YK2 may correspond to each other with respect to the optical axis.

[0559] The first yoke YK1 may be arranged adjacent to the fourth coil 1251a. The second yoke YK2 may be arranged adjacent to the fifth coil 1251b. The fourth coil 1251a and the fifth coil 1251b may be located inside the first yoke YK1 and the second yoke YK2. In addition, the first yoke YK1, the fourth coil 1251a, the fifth coil 1251b and the second yoke YK2 may be arranged sequentially in one direction (e.g., the second direction). The first yoke YK1 may form an attractive force together with the fourth magnet. In addition, the second yoke YK2 may form an attractive force together with the fifth magnet. Therefore, the posture maintenance of the first lens assembly and the second lens assembly may be performed.

[0560] In addition, the thickness of the first yoke YK1 and the second yoke YK2 can be varied in a partial area. With such a configuration, the magnetic force generated by the fourth magnet and the fifth magnet or the fourth coil and the fifth coil can be suppressed without affecting other magnets and coils. For example, the first yoke YK1 can suppress the magnetic force generated by the fourth magnet from being applied to the fifth magnet and the fifth coil.

[0561] Reference Fig.17a , Fig.17b and Fig.17c As described above, the second shell 1230 (particularly the 2-2 shell 1232) may include a first side portion 1232a and a second side portion 1232b. The first side portion 1232a and the second side portion 1232b may correspond to each other. For example, the first side portion 1232a and the second side portion 1232b may be symmetrically arranged relative to the third direction. The second drive coil may be located on the first side portion 1232a and the second side portion 1232b. In addition, the second substrate unit may be installed on the outer side of the first side portion 1232a and the second side portion 1232b. The second substrate unit may be located outside the drive coil and electrically connected to the drive coil.

[0562] For example, the first substrate may be located at an outer side of the first side portion 1232 a , and the second substrate may be located at an outer side of the second side portion 1232 b .

[0563] In addition, the first guide grooves GG1a and GG1b on which the first ball and the second ball are mounted may be located on the inner side of the first side portion 1232a. The first guide grooves GG1a and GG1b may face the above-mentioned first recess and second recess. In the same manner, the second guide grooves GG2a and GG2b on which the first ball and the second ball are mounted may be located on the inner side of the second side portion 1232b. The first guide grooves GG1a and GG1b may face the above-mentioned first recess and second recess.

[0564] In addition, the first side portion 1232a may include a first side hole 1232ah. The fourth magnet may be located in the first side hole 1232ah. In addition, the length of the first side hole 1232ah may be shorter than the length of the fourth coil in the first direction.

[0565] In addition, the second side portion 1232b may include a second side hole 1232bh. The fifth magnet may be located in the second side hole 1232bh. In addition, the length of the second side hole 1232bh may be shorter than the length of the fifth coil in the first direction.

[0566] In addition, the 2-2 housing 1232 may include a housing hole 1232h provided at the top or bottom. Through the housing hole 1232h, coupling may be easily performed, or inspection (eg, visual inspection) on the first lens assembly and the second lens assembly may be performed.

[0567] In addition, the first guide grooves GG1a and GG1b located on the first side portion 1232a may extend in the third direction. In addition, the first guide grooves GG1a and GG1b may have shapes different from each other. For example, any one of the first guide grooves GG1a may be an inclined groove, and the other first guide groove GG1b may be a flat structure. This may also apply to the second guide grooves GG2a and GG2b. Since the first ball and the second ball may be installed in the inclined groove and the flat structure, the first lens assembly or the second lens assembly may move along the optical axis direction.

[0568] Reference Fig.18 and Fig.19 In the camera device according to the embodiment, when the electromagnetic force DEM1 is generated between the fourth magnet 1252a and the fourth coil 1251a, the first lens assembly 1222a can be moved in a direction parallel to the optical axis, that is, in a third direction (Z-axis direction) or in a direction opposite to the third direction, along a track located on the inner side surface of the shell through the first ball B1 and the second ball B2.

[0569] Specifically, in the camera device according to the embodiment, the fourth magnet 1252a may be provided in the first lens assembly 1222a in, for example, a perpendicular magnetization method. For example, in the embodiment, both the N pole and the S pole of the fourth magnet 1252a may face the fourth coil 1251a. Therefore, the N pole and the S pole of the fourth magnet 1252a may be provided to correspond to the region where the current flows in the fourth coil 1251a in the X-axis direction or in the direction opposite thereto, respectively.

[0570] In an embodiment, when a magnetic force is applied from the N pole of the fourth magnet 1252a in a direction opposite to the second direction (Y-axis direction), and a current DE1 flows in the fourth coil 1251a corresponding to the N pole in a direction opposite to the first direction (X-axis direction), the electromagnetic force DEM1 can act in a third direction (Z-axis direction) according to the interaction of electromagnetic forces (e.g., Fleming's left-hand rule).

[0571] In addition, in an embodiment, when a magnetic force is applied from the S pole of the fourth magnet 1252a in a second direction (Y-axis direction) and a current DE1 flows in a first direction (X-axis direction) in the fourth coil 1251a corresponding to the S pole, the electromagnetic force DEM1 can act in the Z-axis direction according to the interaction of the electromagnetic forces.

[0572] At this point, since the fourth coil 1251a is fixed to the side of the second housing, the first lens assembly 1222a provided with the fourth magnet 1252a can be moved in the direction opposite to the Z-axis direction along the current direction by the electromagnetic force DEM1. That is, the second driving magnet can move in the opposite direction to the electromagnetic force applied to the second driving coil. In addition, the direction of the electromagnetic force can be changed according to the current of the coil and the magnetic force of the magnet.

[0573] Therefore, the first lens assembly 1222a can move in a third direction or a direction parallel to the optical axis direction (in two directions) along the track located on the inner side surface of the housing through the first ball B1 and the second ball B2. At this point, the electromagnetic force DEM1 can be controlled in proportion to the current DE1 applied to the fourth coil 1251a.

[0574] The first lens assembly 1222a or the second lens assembly 1222b may include a first recess RS1 for mounting the first ball B1. In addition, the first lens assembly 1222a or the second lens assembly 1222b may include a second recess RS2 for mounting the second ball B1. The length of the first recess RS1 may be preset in the optical axis direction (Z-axis direction). In addition, the length of the second recess RS2 may be preset in the optical axis direction (Z-axis direction). Therefore, the moving distance of the first ball B1 and the second ball B2 in the optical axis direction may be adjusted inside each recess. In other words, the first recess RS1 or the second recess RS2 may be a stopper for the first ball B1 and the second ball B2.

[0575] In addition, in the camera device according to the embodiment, the fifth magnet 1252b can be provided in the second lens assembly 1222b in, for example, a perpendicular magnetization method. For example, in the embodiment, both the N pole and the S pole of the fifth magnet 1252b can face the fifth coil 1251b. Therefore, the N pole and the S pole of the fifth magnet 1252b can be respectively provided to correspond to the region where the current flows in the X-axis direction or the direction opposite thereto in the fifth coil 1251b.

[0576] In an embodiment, when a magnetic force DM2 is applied from the N pole of the fifth magnet 1252b in a second direction (Y-axis direction) and a current DE2 flows in a first direction (X-axis direction) in the fifth coil 1251b corresponding to the N pole, the electromagnetic force DEM2 can act in a third direction (Z-axis direction) according to the interaction of electromagnetic forces (e.g., Fleming's left-hand rule).

[0577] In addition, in an embodiment, when a magnetic force is applied from the S pole of the fifth magnet 1252b in a direction opposite to the second direction (Y-axis direction), and the current DE2 flows in the fifth coil 1251b corresponding to the S pole in a direction opposite to the first direction (X-axis direction), the electromagnetic force DEM2 can act in the Z-axis direction according to the interaction of the electromagnetic forces.

[0578] At this point, since the fifth coil 1251b is fixed to the side of the second shell, the second lens assembly 1222b provided with the fifth magnet 1252b can be moved in the direction opposite to the Z-axis direction along the current direction by the electromagnetic force DEM2. For example, as described above, the direction of the electromagnetic force can be changed according to the current of the coil and the magnetic force of the magnet. Therefore, the second lens assembly 1222b can be moved in a direction parallel to the third direction (Z-axis direction) along the track located on the inner side surface of the second shell by the second ball B2. At this point, the electromagnetic force DEM2 can be controlled in proportion to the current DE2 applied to the fifth coil 1251b.

[0579] Reference Fig. 20 In the camera device according to the embodiment, the second driving unit may provide driving forces F3A, F3B, F4A, and F4B for moving the first lens assembly 1222a and the second lens assembly 1222b of the lens unit 1220 along the third direction (Z-axis direction). As described above, the second driving unit may include a second driving coil 1251 and a second driving magnet 1252. In addition, the lens unit 1220 may be moved along the third direction (Z-axis direction) by an electromagnetic force formed between the second driving coil 1251 and the second driving magnet 1252.

[0580] At this point, the fourth coil 1251a and the fifth coil 1251b may be disposed in holes formed in the side portions (e.g., the first side portion and the second side portion) of the second housing 1230. In addition, the fifth coil 1251b may be electrically connected to the first substrate 1271. The fourth coil 1251a may be electrically connected to the second substrate 1272. Therefore, the fourth coil 1251a and the fifth coil 1251b may receive a drive signal (e.g., current) from a drive driver on the circuit board of the circuit board 1300 through the second substrate unit 1270.

[0581] At this point, the first lens assembly 1222a on which the fourth magnet 1252a is mounted can be moved along the third direction (Z-axis direction) by the electromagnetic forces F3A and F3B between the fourth coil 1251a and the fourth magnet 1252a. In addition, the second lens group 1221b mounted on the first lens assembly 1222a can also be moved along the third direction.

[0582] In addition, the second lens assembly 1222b on which the fifth magnet 1252b is mounted can be moved along the third direction (Z-axis direction) by the electromagnetic forces F4A and F4B between the fifth coil 1251b and the fifth magnet 1252b. In addition, the third lens group 1221c mounted on the second lens assembly 1222b can also be moved along the third direction.

[0583] Therefore, as described above, the focal length or magnification of the optical system can be changed by the movement of the second lens group 1221b and the third lens group 1221c. As an embodiment, the magnification can be changed by the movement of the second lens group 1221b. In other words, zooming can be performed. In addition, the focus can be adjusted by the movement of the third lens group 1221c. In other words, autofocus can be performed. According to such a configuration, the second camera actuator can be fixed zoom or continuous zoom.

[0584] Fig.21 is a schematic diagram showing a circuit board according to the embodiment.

[0585] Reference Fig.21 , the circuit board 1300 according to the embodiment as described above may include a first circuit board unit 1310 and a second circuit board unit 1320. The first circuit board unit 1310 may be located at the bottom of the base and combined with the base. In addition, the image sensor IS may be provided on the first circuit board unit 1310. In addition, the first circuit board unit 1310 and the image sensor IS may be electrically connected. That is, the base may be located at the rear end of the second camera actuator, and the image sensor and the circuit board (first circuit board unit) may be located at the rear end of the base. The base may include a filter (e.g., infrared, etc.).

[0586] In addition, the second circuit board unit 1320 can be located on the side of the base. In particular, the second circuit board unit 1320 can be located on the first side of the base. Therefore, the second circuit board unit 1320 can be located near the fourth coil adjacent to the first side, so that electrical connection can be easily performed. In addition, the second circuit board unit 1320 can be located on the second side. In this way, the second circuit board unit 1320 can be set to multiple. However, it is not limited to this, and can be located only on any one of the first side and the second side.

[0587] In addition, the circuit board 1300 may additionally include a fixing substrate (not shown) on the side. Therefore, although the circuit board 1300 is made of a flexible material, it can be combined with the base while maintaining rigidity through the fixing substrate.

[0588] The second circuit board unit 1320 of the circuit board 1300 may be located on the side of the second driving unit 1250. The circuit board 1300 may be electrically connected to the first driving unit and the second driving unit. For example, the electrical connection may be performed by SMT. However, the present disclosure is not limited to this method.

[0589] The circuit board 1300 may include a circuit board having a wiring pattern capable of electrical connection, such as a rigid printed circuit board (rigid PCB), a flexible printed circuit board (flex PCB), and a rigid flexible printed circuit board (rigid flexible PCB), but is not limited to these types.

[0590] In addition, the circuit board 1300 can be electrically connected to other camera modules inside the terminal or a processor of the terminal. Thus, the camera actuator and the camera device including the camera actuator can send and receive various signals in the terminal.

[0591] Fig. 22 is a perspective view illustrating a first lens assembly, a first bonding member, a second bonding member, and a second lens assembly according to an embodiment.

[0592] Reference Fig. 22 , the first lens assembly 1222a and the second lens assembly 1222b can be arranged to be spaced apart from each other in the optical axis direction (Z axis direction). In addition, the first lens assembly 1222a and the second lens assembly 1222b can be moved along the optical axis direction (Z axis direction) by the second driving unit. For example, automatic focusing and zooming functions can be performed by the movement of the first lens assembly 1222a and the second lens assembly 1222b.

[0593] In addition, the first lens assembly 1222a may include a first lens holder LAH1 that holds and combines the second lens group 1221b. The first lens holder LAH1 may be combined with the second lens group 1221b. In addition, the first lens holder LAH1 may include a first lens hole LH1 that accommodates the second lens group 1221b. That is, the second lens group 1221b including at least one lens may be disposed in the first lens hole LH1. The first lens holder LAH1 is the same as the accommodating unit described below (e.g., the first accommodating unit, the second accommodating unit), and may be used interchangeably.

[0594] In addition, the second lens assembly 1222b may include a second lens holder LAH2 that holds and combines the third lens group 1221c. In addition, the second lens holder LAH2 may include a second lens hole LH2 that accommodates the third lens group 1221c. That is, at least one lens may be disposed in the second lens hole LH2.

[0595] As an embodiment, the first lens assembly 1222a and the second lens assembly 1222b may include outer surfaces adjacent to each other. The first lens assembly 1222a may include a first outer surface MM1, and the second lens assembly 1222b may include a second outer surface MM2. The first outer surface MM1 may be the bottom surface of the first lens holder LAH1 relative to the optical axis direction (Z-axis direction). In addition, the third outer surface MM3 described below may be the top surface of the first lens holder LAH1. In addition, the second outer surface MM2 may be the top surface of the second lens holder LAH2, and the fourth outer surface MM4 may be the bottom surface of the second lens holder LAH2.

[0596] In addition, the first outer side surface MM1 may at least partially overlap the second outer side surface MM2 in the optical axis direction (Z axis direction). As an embodiment, the first to fourth outer side surfaces MM1 to MM4 may at least partially overlap each other in the optical axis direction (Z axis direction).

[0597] For example, a coupling member (not shown) may be in contact with at least one of the first outer side MM1 and the second outer side MM2.

[0598] Fig.23 is a perspective view showing a mobile terminal to which a camera module according to an embodiment is applied.

[0599] like Fig.23 As shown, the mobile terminal 1500 of the embodiment may include a camera module 1000 , a flash module 1530 , and an auto-focusing device 1510 disposed on the rear side.

[0600] The camera module 1000 may include an image capturing function and an auto focus function. For example, the camera module 1000 may include an auto focus function using an image.

[0601] The camera module 1000 processes still or moving image frames obtained by an image sensor in a photographing mode or a video call mode.

[0602] The processed image frames may be displayed on a predetermined display unit and stored in a memory. A camera (not shown) may also be provided on the front side of the mobile terminal body.

[0603] For example, the camera module 1000 may include a first camera module 1000A and a second camera module 1000B, and the first camera module 1000A may implement OIS as well as AF or zoom functions.

[0604] The flash module 1530 may include a light emitting element that emits light therein. The flash module 1530 may be operated by a camera of the mobile terminal or by a user's control.

[0605] The auto focusing device 1510 may include one of the packages of a surface emitting laser device as a light emitting unit.

[0606] The auto focus device 1510 may include an auto focus function using laser. The auto focus device 1510 may be mainly used under conditions where the auto focus function using the image of the camera module 1000 is degraded, for example, in close-up photography of less than 10 m or in a dark environment.

[0607] The auto focusing device 1510 may include a light emitting unit having a vertical cavity surface emitting laser (VCSEL) semiconductor device and a light receiving unit converting light energy into electric energy, for example, a photodiode.

[0608] Fig.24 is a perspective view showing a vehicle to which the camera module according to the embodiment is applied.

[0609] For example, Fig.24 1 is an external view showing a vehicle equipped with a vehicle driving assist device to which the camera module 1000 according to the embodiment is applied.

[0610] Reference Fig.24 The vehicle 700 of the embodiment may be equipped with wheels 13FL and 13FR rotated by a power source and a predetermined sensor. The sensor may be a camera sensor 2000, but is not limited thereto.

[0611] The camera 2000 may be a camera sensor to which the camera module 1000 according to the embodiment is applied. The vehicle 700 according to the embodiment may obtain image information through the camera sensor 2000 that captures a front image or a surrounding image, and may use the image information to determine a situation where a lane cannot be recognized, and generate a virtual lane when the lane cannot be recognized.

[0612] For example, the camera sensor 2000 may acquire a front image by photographing the front side of the vehicle 700 , and a processor (not shown) may obtain image information by analyzing an object included in the front image.

[0613] For example, when objects such as lanes, adjacent vehicles, traffic barriers and median strips, curbs, roadside trees, etc. corresponding to indirect road markings are obtained from the image captured by the camera sensor 2000, the processor can detect these objects and put them into the image information. At this point, the processor can obtain distance information from the objects detected by the camera sensor 2000 and further supplement the image information.

[0614] The image information may be information about an object captured from an image. The camera sensor 2000 may include an image sensor and an image processing module.

[0615] The camera sensor 2000 may process a still image or a moving image obtained by an image sensor (eg, CMOS or CCD).

[0616] The image processing module may process a still image or a moving image acquired through an image sensor, extract necessary information, and transfer the extracted information to a processor.

[0617] At this point, the camera sensor 2000 may include a stereo camera to improve the accuracy of measuring the object and further ensure information such as the distance between the vehicle 700 and the object, but is not limited thereto.

[0618] Although described focusing on the embodiments, they are only examples and do not limit the present disclosure. It will be appreciated by those skilled in the art that various modifications and applications not illustrated above may be made without departing from the basic features of the present disclosure. For example, the various components specifically shown in the embodiments may be implemented by modification. In addition, the differences associated with such modifications and applications should be interpreted as being included within the scope of the present disclosure defined in the appended claims.

Claims

1. A camera actuator, comprising: case; a mover, the mover comprising a holder and an optical member disposed on the holder; a driving unit, the driving unit being used to move the mover; as well as a tilting guide unit disposed between the housing and the mover to guide the tilting of the mover, wherein: The housing includes a housing wall portion provided on a side corresponding to a light emitting surface of the optical member, The optical member changes the light path from a first direction to a second direction, and The housing wall at least partially overlaps the holder along the second direction.

2. The camera actuator according to claim 1, further comprising: a first magnet disposed in the housing; as well as a second magnet, the second magnet being arranged to face the first magnet, wherein The tilt guide unit is pressed toward the mover by a repulsive force of the first magnet and the second magnet.

3. The camera actuator according to claim 2, wherein: The housing includes a first member provided on one side; the mover includes a second member penetrating the first member; and the tilt guide unit is provided between the first member and the mover.

4. The camera actuator according to claim 3, wherein: The first member includes a second groove on an outer side, the second member includes a first groove facing the second groove, the first magnet is disposed in the second groove, and the second magnet is disposed in the first groove.

5. The camera actuator according to claim 4, wherein: The second magnet, the first magnet, and the tilt guide unit are sequentially disposed along the second direction.

6. The camera actuator according to claim 4, wherein: A distance between the first magnet and the second magnet is greater than a distance between the holder and the housing wall. 7 . The camera actuator of claim 4 , further comprising a plate disposed on an outer side of the first member.

8. The camera actuator according to claim 7, wherein: The plate has an area greater than an area of ​​the first member or an area of ​​the second member, and is a non-magnetic body.

9. The camera actuator according to claim 7, wherein: The plate is a magnet, and the second magnet has a polarity that is the same as that of the first magnet on a side facing the first magnet and has a polarity that is different from that of the plate on a side facing the plate.

10. The camera actuator according to claim 1, wherein: The housing wall portion does not overlap with the optical member along the second direction.

Images