KR20190119857A - Lens driving device and triple camera device - Google Patents

Abstract

An embodiment of the present invention relates to a lens driving apparatus, which comprises: a top plate including a hole; a cover including a side plate extending from the top plate; a bobbin disposed in the cover; a coil disposed on the bobbin; a first magnet disposed between the coil and the side plate of the cover and facing the coil; a second magnet disposed on the bobbin; a substrate disposed between the bobbin and the side plate of the cover; and a hall sensor disposed on the substrate and facing the second magnet. The coil includes first to eighth portions disposed in an octagonal shape, wherein the first portion connects the second portion and the eighth portion, and the third portion connects the second portion with the fourth portion. The length of the first portion is longer than the length of the third portion, and the second magnet is disposed outside the first portion of the coil.

Description

Lens driving device and triple camera device

This embodiment relates to a lens driving apparatus and a triple camera apparatus.

The contents described below provide background information on the present embodiment, but do not describe the prior art.

As the widespread use of various portable terminals and the commercialization of wireless Internet services, consumer demands related to portable terminals are diversifying, and various kinds of additional devices are installed in the portable terminals.

Among them, there is a camera device which photographs a subject by a picture or a video. In recent years, dual camera devices have been studied. In the dual camera device, each camera captures a different portion and combines the two captured images into a single image. You can shoot.

However, there is a need for a camera apparatus that can obtain an image that cannot be taken even by a dual camera apparatus.

The present embodiment is to provide a triple camera device that can obtain an image that can not be captured by the dual camera device.

In addition, to provide a magnet arrangement to minimize the magnetic interference in the triple camera device.

Furthermore, it is intended to provide a magnet arrangement that minimizes magnetic field interference between two or more camera apparatuses.

The lens driving apparatus according to the present embodiment includes a cover including a top plate including a hole and a side plate extending from the top plate; A bobbin disposed in the cover; A coil disposed on the bobbin; A first magnet disposed between the coil and the side plate of the cover and facing the coil; A second magnet disposed on the bobbin; A substrate disposed between the bobbin and the side plate of the cover; And a Hall sensor disposed on the substrate and facing the second magnet, wherein the coil includes first to eighth portions disposed in an octagonal shape, wherein the first portion is formed of the second portion and the first portion. An eighth portion, the third portion connects the second portion and the fourth portion, the length of the first portion is longer than the length of the third portion, and the second magnet is the first portion of the coil. It may be disposed outside of one part.

The side plate of the cover includes a first side plate, a second side plate disposed opposite the first side plate, and a third side plate and a fourth side plate disposed opposite to each other between the first side plate and the second side plate. The bobbin includes a hole penetrating the bobbin in an optical axis direction, a first side surface facing the first side plate, a second side surface facing the second side plate, and a third side surface facing the third side plate. And a fourth groove facing the fourth side plate and a first groove formed between the hole of the bobbin and the second magnet, the first groove being disposed in a part of the coil, wherein the first groove is the first groove. It may be formed to have an inclination with the side and the fourth side.

The first magnet is disposed between the first-first magnet disposed between the third side plate of the cover and the third side surface of the bobbin, and between the fourth side plate of the cover and the fourth side surface of the bobbin. And a first magnet, wherein the first magnet is not disposed between the first side plate of the cover and the first side surface of the bobbin and between the second side plate of the cover and the second side surface of the bobbin. You may not.

The bobbin may further include a second groove formed between the first groove and the first side plate of the cover, and the second magnet may be disposed in the second groove.

The first groove includes a first surface facing the inner surface of the coil, a second surface facing the lower surface of the coil, and a third surface facing the outer surface of the coil, wherein the first surface of the first groove is One side may form an angle of 135 degrees with the first side of the bobbin.

The lens driving apparatus further includes a third magnet disposed on the bobbin, the third magnet is symmetrical with respect to the second magnet and the optical axis, and the bobbin is symmetrical with respect to the first groove and the optical axis. And a third groove in which a part of the coil is disposed, and a fourth groove formed between the third groove and the second side plate of the cover and in which the third magnet is disposed.

The lens driving device further includes a housing disposed between the cover and the bobbin and the first magnet is disposed, and a first elastic member connecting the upper portion of the bobbin to the upper portion of the housing. An inner portion coupled to the upper portion of the bobbin, an outer portion coupled to the upper portion of the housing, and a connecting portion connecting the inner portion and the outer portion, the bobbin is formed by recessing a portion of the upper surface of the bobbin and the connecting portion And a stepped portion overlapping in the optical axis direction, wherein the stepped portion is a first stepped portion formed between the first side surface and the fourth side surface, and a second stepped portion formed between the second side surface and the fourth side surface. The shape of the first stepped portion may be different from the shape of the second stepped portion.

The lens driving apparatus further includes a second elastic member coupled to the lower portion of the bobbin, the second elastic member includes two elastic units spaced apart from each other, the bobbin protrudes from a plurality of side surfaces of the coil And a support having a lower end, a fifth groove formed at the support, and a sixth groove formed at an opposite side of the fifth groove to the support, wherein the coil includes two lead wires and the coil The two leader lines of may be connected to the two elastic units through the fifth groove and the sixth groove, respectively.

The lens driving device further includes a housing disposed between the cover and the bobbin and the first magnet is disposed, wherein the hall sensor protrudes at least a portion from an inner surface of the housing, and the bobbin is disposed on the first side surface. It may include a fifth side surface disposed on the inner side than the side of the support formed to face the hall sensor, the second groove may be formed on the fifth side surface.

The substrate includes a first portion disposed on the first side plate of the cover, a second portion disposed on the third side plate of the cover, and a third portion connecting the first portion and the second portion. The plurality of terminals electrically connected to the coil and the hall sensor may be disposed at a lower end of the first part, the hall sensor may be disposed on an inner surface of the second part, and a capacitor may be disposed on an inner surface of the third part. Can be deployed.

The triple camera apparatus according to the present embodiment includes a first camera apparatus, a second camera apparatus, and a third camera disposed between the first camera apparatus and the second camera apparatus and including the lens driving apparatus according to claim 1. The first camera device includes a bobbin, a first coil disposed on the bobbin of the first camera device, a magnet facing the first coil of the first camera device, and the first camera. A second coil disposed below the magnet of the device, the second camera device comprising a bobbin, a coil disposed on the bobbin of the second camera device, and a magnet facing the coil of the second camera device. Includes, the Hall sensor of the third camera device may be disposed between the second magnet and the second camera device of the third camera device.

Through this embodiment, it is possible to obtain an image that cannot be photographed by the dual camera apparatus.

In addition, magnetic field interference between camera apparatuses may be minimized in the dual camera apparatus or the triple camera apparatus.

1 is a perspective view from above of the triple camera apparatus according to the present embodiment.
FIG. 2 is a perspective view illustrating the first camera device of FIG. 1.
3 is a perspective view illustrating the second camera device of FIG. 1.
4 is a perspective view illustrating the third camera apparatus of FIG. 1.
5 is a perspective view from above of the triple camera apparatus according to the modification.
6 is a perspective view of a third camera apparatus according to the present embodiment.
7 is an exploded perspective view of the third camera device according to the present embodiment.
FIG. 8 is an exploded perspective view illustrating the third coil and the third bobbin of FIG. 7.
FIG. 9 is a perspective view illustrating a state in which the third coil, the third bobbin, and the third-2 magnet and the third-3 magnet of FIG. 8 are coupled.
FIG. 10 is an exploded perspective view illustrating the first elastic member, the third housing, and the 3-1 magnet of FIG. 7.
11 is a perspective view illustrating a state in which the components of FIG. 10 are combined.
12 is a perspective view illustrating the third substrate of FIG. 7.
Fig. 13 is a bottom perspective view showing a part of the configuration of the third camera apparatus according to the present embodiment.
FIG. 14 is a bottom perspective view illustrating a state in which the third bobbin and the second elastic member are further coupled to FIG. 13.
15 is a bottom view showing a part of the configuration of the third camera apparatus according to the present embodiment.
16 is an exploded perspective view showing the third bobbin and the third coil of the third camera device according to the modification.
17 is a sectional view of a third camera apparatus according to the present embodiment.
18 is a perspective view from above of a triple camera apparatus according to another modification.

Hereinafter, some embodiments of the present invention will be described through exemplary drawings for the convenience of description. However, the technical idea of the present invention is not limited to some embodiments described.

In addition, in describing the components of the embodiments of the present disclosure, terms such as first, second, A, B, (a), and (b) may be used. These terms are only for distinguishing the components from other components, and the nature, order or order of the components are not limited by the terms. Therefore, description of 1st, 2nd, 3rd-1st-1st, 1st-2nd, 1st-3, etc. is described in "the specific content for implementing the invention" and the content of the "claims". Can be changed from For example, the first bobbin described in "specification for carrying out the invention" may be used as the second bobbin or bobbin in the "claims". This may apply equally to all components.

When a component is described as being 'connected' or 'coupled' to another component, the component may be directly connected or coupled to the other component, but there is another component between the component and the other component. It is to be understood that the elements may be 'connected' or 'coupled'.

'Optical axis direction' used below is defined as the optical axis direction of the lens of the camera device. In this case, the optical axis of the lens may correspond to the optical axis of the image sensor. The optical axis direction may correspond to the vertical direction or the z-axis direction.

The Auto Focus function used below automatically adjusts the focus on the subject by adjusting the distance from the image sensor by moving the lens in the direction of the optical axis according to the distance of the subject to obtain a clear image of the subject on the image sensor. Defined as a function. Meanwhile, 'auto focus' may be mixed with 'AF (Auto Focus)'.

The image stabilization function used below is defined as a function of moving or tilting the lens in a direction perpendicular to the optical axis direction so as to cancel vibration (movement) generated in the image sensor by external force. On the other hand, image stabilization may be mixed with optical image stabilization (OIS).

Hereinafter, the "triple camera device" and the "camera device" can be used interchangeably. That is, the camera device can be described as including three camera devices. In addition, "dual camera apparatus" and "camera apparatus" can be used interchangeably. That is, the camera device can be described as including two camera devices.

Hereinafter, the configuration of the optical device according to the present embodiment will be described.

The optical device is any one of a mobile phone, a mobile phone, a smart phone, a portable smart device, a digital camera, a laptop computer, a digital broadcasting terminal, a personal digital assistant (PDA), a portable multimedia player (PMP) and a navigation device. Can be. However, the type of optical device is not limited thereto, and any device for capturing an image or a picture may be included in the optical device.

The optics may comprise a body. The body may form the appearance of the optical device. The main body can accommodate a camera device. The display unit may be disposed on one surface of the main body. For example, the display unit and the camera apparatus may be disposed on one surface of the main body, and the camera apparatus may be additionally disposed on the other surface of the main body.

The optical device may include a display unit. The display unit may be disposed on one surface of the main body. The display unit may output an image captured by the camera device.

The optical device may include a camera device. The camera device may be disposed in the main body. At least a part of the camera device may be accommodated in the body. Camera apparatus may be provided in plurality. The camera device may be disposed on one surface of the body and the other surface of the body. The camera device may capture an image of a subject.

Hereinafter, the configuration of a camera apparatus according to the present embodiment and modification will be described with reference to the drawings.

1 is a perspective view from above of a triple camera apparatus according to the present embodiment, FIG. 2 is a perspective view showing the first camera apparatus of FIG. 1, FIG. 3 is a perspective view showing the second camera apparatus of FIG. 1, and FIG. 4 is a perspective view showing the third camera device of FIG. 1, FIG. 5 is a perspective view from above of the triple camera device according to the modification, FIG. 6 is a perspective view of the third camera device according to the present embodiment, and FIG. 8 is an exploded perspective view showing a third coil and a third bobbin of FIG. 7, and FIG. 9 is a third coil, a third bobbin, and a third coil of FIG. 8. -2 is a perspective view showing a state in which the magnet and the third-3 magnet is coupled, Figure 10 is an exploded perspective view showing the first elastic member, the third housing and the 3-1 magnet of Figure 7, Figure 11 10 is a perspective view illustrating a state in which components of 10 are combined, and FIG. 3 is a perspective view showing a three board, Figure 13 is a bottom perspective view showing a part of the configuration of the third camera device according to the present embodiment, Figure 14 is a state in which the third bobbin and the second elastic member is further coupled to 15 is a bottom view showing a part of the configuration of the third camera apparatus according to the present embodiment, and FIG. 16 shows a third bobbin and a third coil of the third camera apparatus according to the modification. 17 is a cross-sectional view of a third camera apparatus according to the present embodiment, and FIG. 18 is a perspective view of a triple camera apparatus according to another modification as viewed from above.

The camera device may be a "camera module". The camera apparatus may include a "lens driving apparatus". The lens driving device may be a "lens driving motor". The lens driving device may be a "Voice Coil Motor" (VCM). The camera apparatus may include an "AF actuator". The camera apparatus may include an "OIS Actuator".

The camera device may include a plurality of camera devices. The plurality of camera apparatuses may be triple camera apparatuses. The plurality of camera apparatuses may include three camera apparatuses. The plurality of camera apparatuses may include two camera apparatuses. The camera device may include first to third camera devices 100, 200, and 300. The camera apparatus may include a first camera apparatus 100, a second camera apparatus 200, and a third camera apparatus 300 disposed between the first camera apparatus 100 and the second camera apparatus 200. . The first camera apparatus 100 is disposed on one side, the second camera apparatus 200 is disposed on the other side, and the third camera apparatus 300 is disposed between the first camera apparatus 100 and the second camera apparatus 200. Can be. The first to third camera apparatuses 100, 200, and 300 may be arranged side by side. The first to third camera apparatuses 100, 200, and 300 may be arranged in parallel with each other. The first to third camera apparatuses 100, 200, and 300 may be disposed in a straight line. The first to third camera apparatuses 100, 200, and 300 may face the same direction. The first to third camera apparatuses 100, 200, and 300 may be spaced apart from each other. As a modification, the first to third camera apparatuses 100, 200, and 300 may be switched with each other.

The first camera device 100 includes a first optical axis C1, the second camera device 200 includes a second optical axis C2, and the third camera device 300 includes a third optical axis C3. It may include (see FIGS. 1, 5, 18). On the other hand, an arbitrary first straight line L1 passing through the first optical axis C1, an arbitrary second straight line L2 passing through the second optical axis C2, and an arbitrary third passing through the third optical axis C3. An arbitrary fourth straight line L4 passing through the straight line L3 and the first optical axis C1, the second optical axis C2, and the third optical axis C3 may be shown. In this case, the magnet may not be disposed on the fourth straight line L4.

The camera device may include a first camera device 100. The first camera apparatus 100 may include an OIS module. The first camera apparatus 100 may perform an AF function and an OIS function. The first camera apparatus 100 may be spaced apart from the third camera apparatus 300 and disposed on one side of the third camera apparatus 300.

The first camera device 100 may include a first cover 110. The first cover 110 may be coupled to the first base. The first cover 110 may accommodate the first housing therein. The first cover 110 may form an appearance of the first camera device 100. The first cover 110 may have a hexahedron shape with a lower surface opened. The first cover 110 may be a nonmagnetic material. The first cover 110 may be formed of a metal material. The first cover 110 may be formed of a metal plate. The first cover 110 may be connected to the ground of the first printed circuit board. Through this, the first cover 110 may be grounded. The first cover 110 may block electro magnetic interference (EMI). In this case, the first cover 110 may be an 'EMI shield can'.

The first cover 110 may include a first top plate 111 and a first side plate 112. The first cover 110 may include a first top plate 111 including a hole and a plurality of first side plates 112 extending downward from an outer periphery or an edge of the first top plate 111. It may include. The lower end of the first side plate 112 may be disposed on a stepped portion formed on the side of the first base. The inner surface of the first side plate 112 may be coupled to the first base by an adhesive.

The first side plate 112 may include a plurality of side plates. The first side plate 112 may include four side plates. The first side plate 112 may include first-first to first-fourth side plates 112-1, 112-2, 112-3, and 112-4. The plurality of first side plates 112 may include first-first side plates 112-1 facing the third cover 310 and first-second side plates disposed on opposite sides of the first-first side plates 112-1. (112-2) and the first-third side plate (112-3) and the first to fourth side plates 112-1 and the first-second side plate (112-1) and the second side plate (112-2) disposed opposite to each other The side plate 112-4, the 1-1 corner between the 1-2 side plate 112-2 and the 1-3 side plate 112-3, the 1-2 side plate 112-2, and the 1st side. It may include a 1-2 corner between the 1-4 side plate (112-4). At this time, the first-first Hall sensor 180-1 is disposed between the first-first corner and the central axis of the first cover 110 in the vertical direction, and the first-second corner and the first cover 110 are perpendicular to each other. The first and second hall sensors 180-2 may be disposed between the central axes of the directions.

The first camera apparatus 100 may include a first housing (not shown). The first housing may be disposed in the first cover 110. The first housing may be disposed outside the first bobbin 130. The first housing may accommodate at least a portion of the first bobbin 130. The first housing may include a hole penetrating the first housing in the optical axis direction, and the first bobbin 130 may be disposed in the hole of the first housing. The first housing may be disposed between the first bobbin 130 and the first cover 110. The first housing may be spaced apart from the first bobbin 130 and the first cover 110. The first housing may be formed of a material different from that of the first cover 110. The first housing may be formed from an injection molded product. The first housing can move to drive the OIS.

The first camera apparatus 100 may include a first bobbin 130. The first bobbin 130 may be disposed in the first housing. The first bobbin 130 may be disposed in the first cover 110. The first bobbin 130 may include a hole penetrating the first bobbin 130 in the optical axis direction. A lens may be coupled to the hole of the first bobbin 130. The first bobbin 130 may be movably supported with respect to the first housing by the elastic member. The first bobbin 130 may move integrally with the lens for AF driving and OIS driving.

The first camera apparatus 100 may include a 1-1 coil 140. The first-first coil 140 may be an 'AF driving coil'. The first-first coil 140 may be disposed on the first bobbin 130. The first-first coil 140 may be disposed on an outer circumferential surface of the first bobbin 130. The first-first coil 140 may be wound on the first bobbin 130. Alternatively, the 1-1 coil 140 may be coupled to the first bobbin 130 in a wound state. The first-first coil 140 may be disposed between the first bobbin 130 and the first housing. The first-first coil 140 may face the first magnet 150. The first-first coil 140 may have electromagnetic interaction with the first magnet 150. When a current is applied to the first-first coil 140 to form an electromagnetic field around the first-first coil 140, the electromagnetic interaction between the first-first coil 140 and the first magnet 150 is affected. As a result, the first-first coil 140 may move with respect to the first magnet 150.

The first camera device 100 may include a first magnet 150. The first magnet 150 may be disposed in the first housing. The first magnet 150 may be fixed to the first housing by an adhesive. The first magnet 150 may be disposed between the first bobbin 130 and the first housing. The first magnet 150 may face the first-first coil 140. The first magnet 150 may be a 'drive magnet'. The first magnet 150 may be disposed at the corner of the first housing. The first magnet 150 may be a 'corner magnet'. The first magnet 150 may be used in common for AF driving and OIS driving.

In the present exemplary embodiment, the first-first coil 140 is disposed on the first bobbin 130 and the first magnet 150 is disposed on the first housing. However, in the modification, the first magnet 150 is formed of the first coil 150. The first bobbin 130 may be disposed and the first-first coil 140 may be disposed in the first housing.

The first camera apparatus 100 may include a first base (not shown). The first base may be disposed below the first housing. The first base may be disposed below the first substrate. The first substrate may be disposed on an upper surface of the first base. The first base may be coupled to the first cover 110. The first base may be disposed on the first printed circuit board.

The first camera apparatus 100 may include a first substrate (not shown). The first substrate may be disposed on the first base. The first substrate may be disposed on an upper surface of the first base. The first substrate may include a 1-2 coil. That is, the 1-2 coil may be disposed in the form of a pattern coil on the first substrate. However, the 1-2 coil may be provided separately from the first substrate. The first substrate may be a flexible printed circuit board (FPCB).

The first camera apparatus 100 may include a 1-2 coil (not shown). The 1-2 coil may be disposed on the first base. The 1-2 coil may be formed in a separate FPCB formed of an FP coil and disposed on an upper surface of the first base. The 1-2 coil may face the first magnet 150. The 1-2 coil may move the first magnet 150 through electromagnetic interaction with the first magnet 150. The 1-2 coil may be an 'OIS driving coil'.

In the present embodiment, the coil 1-2 is disposed in the first base and the first magnet 150 is disposed in the first housing, but in the modification, the first magnet 150 is disposed in the first base and 1-2 coils may be disposed in the first housing.

The first camera apparatus 100 may include an elastic member (not shown). The elastic member may elastically support the first bobbin 130. The elastic member may support the first bobbin 130 to be movable. The elastic member may connect the first bobbin 130 and the first housing. The elastic member may connect the first bobbin 130 and the first base. The elastic member may include an upper elastic member coupled to an upper portion of the first bobbin 130 and a lower elastic member coupled to a lower portion of the first bobbin 130. The elastic member may be a leaf spring.

The first camera apparatus 100 may include a support member (not shown). The support member may elastically support the first housing. The support member may movably support the first housing. The support member may connect the upper elastic member of the first housing and the first substrate. Alternatively, the support member may connect the first housing and the first base. The support member may be a wire or a leaf spring. The wire may comprise a plurality of wires. The wire may comprise four or six or eight wires. The leaf spring may comprise a plurality of leaf springs. The leaf spring may comprise four leaf springs.

The first camera apparatus 100 may include a damper (not shown). The damper may be disposed on the elastic member and / or the support member. Through this, resonance phenomena generated in the elastic member and the support member can be prevented.

The first camera apparatus 100 may include a first hall sensor 180. The first hall sensor 180 may detect the first magnet 150. The first hall sensor 180 may detect a magnetic force of the first magnet 150. The first hall sensor 180 may detect a movement amount and / or a position of the first magnet 150. The first hall sensor 180 may be a driver IC integrated hall sensor. The first hall sensor 180 may include a total of four terminals of SCL, SDA, VDD, and GND.

The first hall sensor 180 may include a plurality of hall sensors. The first hall sensor 180 may include a 1-1 hall sensor 181 and a 1-2 hall sensor 182. The first hall sensor 180 includes a first-first corner (a corner between the first-second side plate 112-2 and the first-third side plate 112-3) and the first cover of the first cover 110. The first-first Hall sensor 180-1 disposed between the central axis in the vertical direction of the 110, the first-second corner of the first cover 110, and the first-second side plate 112-2. The first and second hall sensors 180-2 may be disposed between the corners between the first and fourth side plates 112-4 and the central axis in the vertical direction of the first cover 110. The first-first Hall sensor 181 may detect the movement in the x-axis direction of the first magnet 150, and the first-second Hall sensor 182 may detect the movement in the y-axis direction of the first magnet 150. have.

The first camera apparatus 100 may include a first lens. The first lens may be coupled to the first bobbin 130. The first lens may include a plurality of lenses. The plurality of lenses can be coupled to the barrel. A lens module having a plurality of lenses coupled to the barrel may be coupled to an inner circumferential surface of the first bobbin 130.

The first camera apparatus 100 may include a first image sensor. The first image sensor may be disposed under the first lens. The first image sensor may be disposed on the first printed circuit board. The first image sensor may be coupled to the first printed circuit board by surface mounting technology (SMT). As another example, the first image sensor may be coupled to the first printed circuit board by flip chip technology. The first image sensor may be arranged to coincide with the first lens and the optical axis. The optical axis of the first image sensor and the optical axis of the first lens may be aligned. The first image sensor may convert light irradiated to the effective image area of the first image sensor into an electrical signal. The first image sensor may be one of a charge coupled device (CCD), a metal oxide semi-conductor (MOS), a CPD, and a CID.

The first camera apparatus 100 may include a first filter. The first filter may include a first infrared filter. The first infrared filter may block the light of the infrared region from being incident on the first image sensor. The first infrared filter may be disposed between the first lens and the first image sensor. The first infrared filter may be disposed in the first base. Alternatively, the first infrared filter may be disposed on a sensor base separate from the first base.

The first camera apparatus 100 may include a first printed circuit board. A first base or a separate sensor base may be disposed on the first printed circuit board. The first printed circuit board may be electrically connected to the 1-1 coil 140 and the 1-2 coil. The first printed circuit board may be electrically connected to the first image sensor.

The first camera apparatus 100 may include a first control unit. The first control unit may control the direction, intensity, and amplitude of the currents applied to the 1-1 coil 140 and the 1-2 coil. The first controller may perform AF driving, OIS driving, AF feedback control, and / or OIS feedback control of the first camera apparatus 100.

The camera device may include a second camera device 200. The second camera apparatus 200 may include an AF module. The second camera apparatus 200 may perform an AF function. In addition, as a modification, the second camera apparatus 200 may also perform an OIS function. The second camera apparatus 200 may be spaced apart from the third camera apparatus 300 and disposed on the other side of the third camera apparatus 300 (opposite side of one side where the first camera apparatus 100 is disposed).

The second camera apparatus 200 may include a second cover 210. The second cover 210 may be coupled to the second base. The second cover 210 may accommodate the second housing therein. The second cover 210 may form an appearance of the second camera device 200. The second cover 210 may have a hexahedron shape with a lower surface opened. The second cover 210 may be a nonmagnetic material. The second cover 210 may be formed of a metal material. The second cover 210 may be formed of a metal plate. The second cover 210 may be connected to the ground of the second printed circuit board. Through this, the second cover 210 may be grounded. The second cover 210 may block electromagnetic interference noise. In this case, the second cover 210 may be an 'EMI shield can'.

The second cover 210 may include a second top plate 211 and a second side plate 212. The second cover 210 may include a second top plate 211 including a hole, and a plurality of second side plates 212 extending downward from an outer circumference or edge of the second top plate 211. . The lower end of the second side plate 212 may be disposed on the stepped portion formed on the side of the second base. An inner surface of the second side plate 212 may be coupled to the second base by an adhesive.

The second side plate 212 may include a plurality of side plates. The second side plate 212 may include four side plates. The second side plate 212 may include 2-1 to 2-4 side plates 212-1, 212-2, 212-3, and 212-4. The plurality of second side plates 212 may be arranged on opposite sides of the 2-1 side plate 212-1 facing the 3-1 side plate 312-1 and the 2-1 side plate 212-1. 2-2 side plate 212-3 and 2-4 side plate (212-2) which are arranged on the opposite sides between 2-2 side plate 212-2 and 2-1 and 2-2 side plate 212-2 ( 212-4). In this case, the third hall sensor 373 of the third camera device 300 may be disposed closer to the second-fourth side plate 212-4 than the second-third side plate 212-3.

The second camera apparatus 200 may include a second housing (not shown). The second housing may be disposed in the second cover 210. The second housing may be disposed outside the second bobbin 230. The second housing may accommodate at least a portion of the second bobbin 230. The second housing may include a hole penetrating the second housing in the optical axis direction, and a second bobbin 230 may be disposed in the hole of the second housing. The second housing may be disposed between the second bobbin 230 and the second cover 210. The second housing may be spaced apart from the second bobbin 230. The second housing may be formed of a material different from that of the second cover 210. The second housing may be formed from an injection molding.

The second camera apparatus 200 may include a second bobbin 230. The second bobbin 230 may be disposed in the second cover 210. The second bobbin 230 may be disposed in the second housing. The second bobbin 230 may include a hole penetrating the second bobbin 230 in the optical axis direction. A lens may be coupled to the hole of the second bobbin 230. The second bobbin 230 may be movably supported with respect to the second housing by the elastic member. The second bobbin 230 may move integrally with the lens to drive the AF.

The second camera device 200 may include a second coil 240. The second coil 240 may be an 'AF driving coil'. The second coil 240 may be disposed on the second bobbin 230. The second coil 240 may be disposed on an outer circumferential surface of the second bobbin 230. The second coil 240 may be wound on the second bobbin 230. Alternatively, the second coil 240 may be coupled to the second bobbin 230 in a wound state. The second coil 240 may be disposed between the second bobbin 230 and the second housing. The second coil 240 may face the second magnet 250. The second coil 240 may have electromagnetic interaction with the second magnet 250. When a current is applied to the second coil 240 to form an electromagnetic field around the second coil 240, the second coil 240 may be caused by electromagnetic interaction between the second coil 240 and the second magnet 250. ) May move relative to the second magnet 250.

The second camera apparatus 200 may include a second magnet 250. The second magnet 250 may be disposed between the second coil 240 and the second cover 210. The second magnet 250 may be disposed in the second housing. The second magnet 250 may be fixed to the second housing by an adhesive. The second magnet 250 may be disposed between the second bobbin 230 and the second housing. The second magnet 250 may face the second coil 240. The second magnet 250 may be a 'drive magnet'. The second magnet 250 may be used for the AF driving.

Although the second coil 240 is disposed in the second bobbin 230 and the second magnet 250 is disposed in the second housing in the present embodiment, in the modification, the second magnet 250 is the second bobbin. 230 and the second coil 240 may be disposed in the second housing.

The second magnet 250 may include a plurality of magnets. The second magnet 250 may include two magnets. The second magnet 250 may include a 2-1 magnet 251 and a 2-2 magnet 252. The second magnet 250 may include a 2-1 magnet 251 and a 2-2 magnet 252 spaced apart from each other. The 2-1 magnet 251 may be disposed closer to the third camera device 300 than the 2-2 magnet 252. The second magnet 250 includes a second-first magnet 251 disposed between the second coil 240 and the second-third side plate 212-3, and the second coil 240 and the second-fourth side plate. It may include a 2-2 magnet 252 disposed between (212-4). In the present embodiment, the second-first magnet 251 is disposed closer to the second-first side plate 212-1 than the second-second side plate 212-2, and the second-second magnet 252 is second-side. The second side plate 212-2 may be disposed closer to the second side plate 212-2. That is, the second-2 magnet 252 is disposed to be spaced apart from the third-2 magnet 371 as much as possible in a limited space, and the second-1 magnet 251 is disposed to be symmetrical with the second-2 magnet 252. Can be. Through the aforementioned structure, the influence of the third-second magnet 371 of the third camera apparatus 300 on the second magnet 250 may be minimized. In addition, the magnet may not be disposed between the third camera device 300 and the second bobbin 230 in the second camera device 200. Similarly, the influence of the magnet of the third camera device 300 on the driving of the second camera device 200 can be minimized. As a variant, both the 2-1 magnet 251 and the 2-2 magnet 252 may be spaced apart by the same distance from the 2-1 side plate 212-1 and the 2-2 side plate 212-2. (See FIG. 18). That is, in the modification, the second-first magnet 251 and the second-second magnet 252 are not biased to one side, but the second-third side plate 212-3 and the second-fourth side plate 212-4. It can be placed in the center of the.

In the present embodiment, the second magnet 250 may be a flat magnet (see FIG. 1). Each of the 2-1 magnet 251 and the 2-2 magnet 252 may be a flat magnet including a flat plate shape.

In a variant, the second magnet 250 may be a corner magnet (see FIG. 5). Each of the 2-1 magnet 251 and the 2-2 magnet 252 may be a corner magnet including a plurality of side surfaces. In this case, the plurality of side surfaces of the corner magnet may include two side surfaces facing the plurality of second side plates 212, and side surfaces inclinedly connecting the two side surfaces and facing the second coil 240.

The second camera apparatus 200 may include a second base (not shown). The second base may be disposed below the second housing. The second base may be coupled to the second cover 210. The second base may be disposed on the second printed circuit board.

The second camera device 200 may include an elastic member (not shown). The elastic member may movably support the second bobbin 230. The elastic member may elastically support the second bobbin 230. The elastic member may connect the second bobbin 230 and the second housing. The elastic member may connect the second bobbin 230 and the second base. The elastic member may include an upper elastic member coupled to the upper portion of the second bobbin 230 and a lower elastic member coupled to the lower portion of the second bobbin 230.

The second camera apparatus 200 may include a second lens. The second lens may be coupled to the second bobbin 230. The second lens may include a plurality of lenses. The plurality of lenses can be coupled to the barrel. A lens module having a plurality of lenses coupled to a barrel may be coupled to an inner circumferential surface of the second bobbin 230.

The second camera apparatus 200 may include a second image sensor. The second image sensor may be disposed under the second lens. The second image sensor may be disposed on the second printed circuit board. The second image sensor may be coupled to the second printed circuit board by surface mounting technology (SMT). As another example, the second image sensor may be coupled to the second printed circuit board by flip chip technology. The second image sensor may be arranged to coincide with the second lens and the optical axis. The optical axis of the second image sensor and the optical axis of the second lens may be aligned. The second image sensor may convert light irradiated to the effective image area of the second image sensor into an electrical signal. The second image sensor may be one of a charge coupled device (CCD), a metal oxide semi-conductor (MOS), a CPD, and a CID.

The second camera apparatus 200 may include a second filter. The second filter may include a second infrared filter. The second infrared filter may block the light of the infrared region from being incident on the second image sensor. The second infrared filter may be disposed between the second lens and the second image sensor. The second infrared filter may be disposed in the second base. Alternatively, the second infrared filter may be disposed on a sensor base separate from the second base.

The second camera apparatus 200 may include a second printed circuit board. A second base or a separate sensor base may be disposed on the second printed circuit board. The second printed circuit board may be electrically connected to the second coil 240. The second printed circuit board may be electrically connected to the second image sensor.

The second camera apparatus 200 may include a second controller. The second controller can control the direction, intensity, and amplitude of the current applied to the second coil 240. The second control unit may perform AF driving, OIS driving, AF feedback control, and / or OIS feedback control of the second camera apparatus 200.

The camera device may include a third camera device 300. The third camera device 300 may include an AF module. The third camera device 300 may perform an AF function. In addition, as a modification, the third camera apparatus 300 may also perform an OIS function. The third camera device 300 may be spaced apart from the first camera device 100 and the second camera device 200.

The third camera device 300 may include a third cover 310. The third cover 310 may be coupled to the third base 360. The third cover 310 may accommodate the third housing 320 therein. The third cover 310 may form an appearance of the third camera device 300. The third cover 310 may have a hexahedron shape with a lower surface opened. The third cover 310 may be a nonmagnetic material. The second cover 210 may be formed of a metal material. The third cover 310 may be formed of a metal plate. The third cover 310 may be connected to the ground of the third printed circuit board. Through this, the third cover 310 may be grounded. The third cover 310 may block electromagnetic interference noise. In this case, the third cover 310 may be an 'EMI shield can'.

The third cover 310 may include a third top plate 311 and a third side plate 312. The third cover 310 may include a third top plate 311 including a hole and a plurality of third side plates 312 extending downward from an outer circumference or an edge of the third top plate 311. The lower end of the third side plate 312 may be disposed on a stepped portion formed on the side surface of the third base 360. An inner surface of the third side plate 312 may be coupled to the third base 360 by an adhesive. The plurality of third side plates 312 may include a third-first side plate 312-1 facing the second cover 210 of the second camera apparatus 200.

The third side plate 312 may include a plurality of side plates. The third side plate 312 may include four side plates. The third side plate 312 may include 3-1 to 3-4 side plates 312-1, 312-2, 312-3, and 312-4. The plurality of third side plates 312 of the third cover 310 may be arranged on opposite sides of the 3-1 side plate 312-1 and the 3-1 side plate 312-1. -3) and the 3rd-3rd side plate 312-3 and the 3-4th side plate (3-3 side plate 312-1) and 3-2 side plate 312-2 which are disposed opposite to each other between 3-1 side plate 312-1 and 3-2 side plate 312-2. 312-4).

The third camera device 300 may include a third housing 320. The third housing 320 may be disposed in the third cover 310. The third housing 320 may be disposed outside the third bobbin 330. The third housing 320 may accommodate at least a portion of the third bobbin 330. The third housing 320 may include a hole penetrating the third housing 320 in the optical axis direction, and a third bobbin 330 may be disposed in the hole of the third housing 320. The third housing 320 may be disposed between the third cover 310 and the third bobbin 330. The third housing 320 may be spaced apart from the third bobbin 330. The third housing 320 may be formed of a material different from that of the third cover 310. The third housing 320 may be formed of an injection molded product. The third-1 magnet 350 may be disposed in the third housing 320. The third housing 320 may include a protrusion 321. The protrusion 321 may be formed on an upper surface of the third housing 320. The first elastic member 381 may include a groove having a shape corresponding to the protrusion 321. The protrusion 321 of the third housing 320 may be inserted into a corresponding groove of the first elastic member 381.

The third camera device 300 may include a third bobbin 330. The third bobbin 330 may be disposed in the third cover 310. The third bobbin 330 may be disposed in the third housing 320. The third bobbin 330 may include a hole penetrating the third bobbin 330 in the optical axis direction. A lens may be coupled to the hole of the third bobbin 330. The third bobbin 330 may be movably supported with respect to the third housing 320 by the elastic member. The third bobbin 330 may be integrally moved with the lens for the AF driving. The third coil 340 may be manufactured and assembled separately from the third bobbin 330. The third bobbin 330 may have a first groove 331 and a first surface 331-1 to which the third coil 340 is assembled. Grooves (second grooves 332 and fourth grooves) in which the third-2 magnets 371 and the third-3 magnets 372 are assembled to the outside of the third coil 340 of the third bobbin 330. 334) may be disposed.

The third bobbin 330 may include a first side facing the 3-1-1 magnet 351 and a second side facing the third-1-2 magnet 352. At this time, the 3-1 coil may be disposed on the first side of the third bobbin 330 and the 3-2 coil may be disposed on the second side of the third bobbin 330. The third bobbin 330 has a hole penetrating the third bobbin 330 in the optical axis direction, a first side surface facing the 3-1 side plate 312-1, and a 3-2 side plate 312-2. And a second side facing the third side, a third side facing the third-3 side plate 312-3, and a fourth side facing the third-4 side plate 312-4.

The third bobbin 330 may include a first groove 331. The first groove 331 may be formed between the holes of the third-2 magnet 371 and the third bobbin 330. At least a portion of the third coil 340 may be disposed in the first groove 331. In the present embodiment, the first groove 331 may be formed to have an inclination with the first side surface of the third bobbin 330 and the fourth side surface of the third bobbin 330.

The first groove 331 has a first surface 331-1 facing the inner surface of the third coil 340, a second surface facing the lower surface of the third coil 340, and a third coil 340. It may include a third surface facing the outer surface of the. In this embodiment, the first surface 331-1 of the first groove 331 may form an obtuse angle with the first side surface of the third bobbin 330 (see FIG. 8). The first surface 331-1 of the first groove 331 may form an obtuse angle with the fourth side surface of the third bobbin 330. However, an angle between the first surface 331-1 and the first side surface may be different from an angle between the first surface 331-1 and the fourth side surface (see FIG. 8). In a modification, the first surface 331-1 of the first groove 331 may form an angle of 135 degrees with the first side surface of the third bobbin 330 (see FIG. 16). In a modification, the first surface 331-1 of the first groove 331 may form an angle of 135 degrees with the fourth side surface of the third bobbin 330.

The third bobbin 330 may include a second groove 332. The second groove 332 may be formed between the first groove 331 and the third-first side plate 312-1 of the third cover 310. The second groove 332 may be formed between the first groove 331 and the first side surface (the outer circumferential surface of the third bobbin 330 in the corresponding region of the first groove 331). The second groove 332 may be disposed between the first groove 331 and the fifth side surface 339. The third-2 magnet 371 may be disposed in the second groove 332.

The third bobbin 330 may include a third groove 333. The third groove 333 may be symmetrical with respect to the first groove 331 and the optical axis. The third groove 333 may be formed between the third and third magnets 372 and the holes of the third bobbin 330. At least a portion of the third coil 340 may be disposed in the third groove 333. In this embodiment, the third groove 333 may be formed to have an inclination with the second side surface of the third bobbin 330 and the third side surface of the third bobbin 330.

The third bobbin 330 may include a fourth groove 334. The fourth groove 334 may be symmetrical with respect to the second groove 332 and the optical axis. The fourth groove 334 may be formed between the third groove 333 and the third-second side plate 312-2 of the third cover 310. The fourth groove 334 may be formed between the third groove 333 and the second side surface (the outer circumferential surface of the third bobbin 330 in the corresponding region of the third groove 333). The third magnet 372 may be disposed in the second groove 332.

The third bobbin 330 may include a stepped portion 335. The stepped part 335 may be formed by recessing a part of the upper surface of the third bobbin 330. The stepped portion 335 may overlap the connection portion 384 of the first elastic member 381 in the optical axis direction. The stepped portion 335 may provide a space for securing a moving space of the connecting portion 384 of the first elastic member 381.

The stepped part 335 is formed between the first stepped part 335-1 formed between the first side and the fourth side of the third bobbin 330, and between the second side and the fourth sided surface of the third bobbin 330. It may include a second step portion (335-2) formed in. The first step part 335-1 may be disposed at a first corner of the third bobbin 330. The second step portion 335-2 may be disposed at a second corner of the third bobbin 330. In this case, the corner of the third bobbin 330 may be disposed at a position corresponding to the corner of the third cover 310. In this case, the shape of the first step part 335-1 may be different from the shape of the second step part 335-2. The first stepped part 335-1 may include an upper surface narrower than the second stepped part 335-2 by the first groove 331. An area of the upper surface of the first step portion 335-1 may be smaller than an area of the upper surface of the second step portion 335-2.

The third bobbin 330 may include a support 336. The support part 336 may protrude from a plurality of side surfaces of the third bobbin 330. The support part 336 may support the lower end of the third coil 340. A lower end of the third coil 340 may be disposed on the support part 336. The fifth groove 337 and the sixth groove 338 may be formed in the support part 336.

The third bobbin 330 may include a fifth groove 337 and a sixth groove 338. The fifth groove 337 may be formed in the support part 336. The sixth groove 338 may be formed on the opposite side of the fifth groove 337. The sixth groove 338 may be symmetrical with respect to the fifth groove 337 and the optical axis. The third coil 340 includes two lead wires, and the two lead wires of the third coil 340 may be connected to the two elastic units through the fifth groove 337 and the sixth groove 338, respectively. have. That is, the first lead wire of the third coil 340 is connected to the first elastic unit 385-1 through the fifth groove 337, and the second lead wire of the third coil 340 is the sixth groove ( It may be connected to the second elastic unit 385-2 through 338.

The third bobbin 330 may include a fifth side 339. The fifth side surface 339 may be formed on the first side surface of the third bobbin 330. The fifth side surface 339 may be disposed inside the side surface of the support part 336 formed on the first side surface of the third bobbin 330. The fifth side surface 339 may face the third hall sensor 373. The fifth side surface 339 may be recessed to prevent contact with the protruding portion of the third hall sensor 373. The fifth side surface 339 may be recessed a predetermined distance (see A of FIG. 15) from the support part 336 formed on the first side surface of the third bobbin 330. In this case, the predetermined distance may be 0.1 to 0.3 mm. If it is less than 0.1 mm, the possibility of mechanical interference is increased, and if it exceeds 0.3 mm, the hall output detected by the third hall sensor 373 may be lowered. A second groove 332 may be formed in the fifth side surface 339. The second groove 332 may be recessed from the fifth side surface 339. In this case, the outer surface of the third-second magnet 371 disposed in the second groove 332 may be disposed on the same plane as the fifth side surface 339.

The third camera device 300 may include a third coil 340. The third coil 340 may be an 'AF driving coil'. The third coil 340 may be disposed on the third bobbin 330. The third coil 340 may be disposed on the outer circumferential surface of the third bobbin 330. In this embodiment, the third coil 340 may be coupled to the third bobbin 330 in a wound state. The third coil 340 may be disposed between the third bobbin 330 and the third housing 320. The third coil 340 may face the 3-1 magnet 350. The third coil 340 may have electromagnetic interaction with the 3-1 magnet 350. When a current is applied to the third coil 340 to form an electromagnetic field around the third coil 340, the third coil is formed by electromagnetic interaction between the third coil 340 and the third-1 magnet 350. 340 may move relative to the 3-1 magnet 350.

The third coil 340 may include first to eighth portions arranged in an octagonal shape. The first part connects the second part and the eighth part, and the third part connects the second part and the fourth part. At this time, the length of the second portion may be longer than the length of the third portion. The third-2 magnets 371 may be disposed outside the first portion of the third coil 340.

The third coil 340 may be integrally formed. However, the third coil 340 may include a plurality of parts. The third coil 340 may include first to fourth portions 341, 342, 343, and 344. The third coil 340 may be formed by repeatedly arranging the first to fourth portions 341, 342, 343, and 344 twice. That is, each of the first to fourth portions 341, 342, 343, and 344 of the third coil 340 may be disposed to be symmetrical with respect to the center of the third coil. The first portion 341 of the third coil 340 may be disposed on the fourth side surface of the third bobbin 330. The second portion 342 of the third coil 340 may be disposed on the first side surface of the third bobbin 330. The third portion 343 of the third coil 340 connects the first portion 341 and the second portion 342 and may be disposed in the first groove 331 of the third bobbin 330. The fourth part 344 of the third coil 340 may be disposed at a corner connecting the first side and the third side surface of the third bobbin 330. In the present embodiment, the third portion 343 may form an obtuse angle with the first portion 341. The third portion 343 may form an obtuse angle with the second portion 342. The angle between the third portion 343 and the first portion 341 and the angle between the third portion 343 and the second portion 342 may be different (see FIG. 8). However, a curved surface may be formed at at least a portion of the point at which the third portion 343 and the first portion 341 are connected and / or at the point at which the third portion 343 and the second portion 342 are connected. In the modification, the fifth portion 345 of the third coil 340 may be regarded as the third portion 343 of the third coil 340 is deformed in this embodiment. The five portions 345 may form an angle of 135 degrees on both sides and the other portions of the adjacent third coil 340 (see FIG. 16).

The third coil 340 may include a 3-1 coil disposed on the first side of the third bobbin 330 and a 3-2 coil disposed on the second side of the third bobbin 330. . In the modified example, each of the 3-1 coil and the 3-2 coil may be disposed such that an electric current flows in a direction different from each other in the upper and lower portions with respect to each center. For example, the lower portion of the outer circumferential surface of the third bobbin 330 winds the third coil 340 in one direction, and the upper portion of the outer circumferential surface of the third bobbin 330 is the third coil 340 in the other direction (the opposite direction of the one direction). ), The 3-1 coil and the 3-2 coil may be disposed on the third bobbin 330. Alternatively, the third coil 340 is repeatedly wound on the first side of the third bobbin 330 from the top to the bottom to the bottom to the top of the center of the first side in the form of 'glass coil'. 340-1 may be arranged. On the second side of the third bobbin 330, the third coil 340 is repeatedly wound from the top to the bottom to the bottom to the top of the center of the second side to form the 'glass coil' for the third coil 340. -2) can be arranged (see FIG. 18). In this case, the third hall sensor 373 may be disposed in the third-2 coil 340-2. In this case, the third hall sensor 373 may detect the magnetic force of the 3-1-2 magnet 352. In the modified example, each of the 3-1-1 magnet 351 and the 3-1-2 magnet 352 may have different polarities of upper and lower portions thereof. That is, the winding direction of the third coil 340 and the polarity of the regions facing each other in the 3-1 magnet 350 may be disposed to correspond to each other. Through this structure, the length (height) in the z-direction can be reduced as compared with the case where the opposite surface (the surface facing the third coil 340 and the inner surface) of the third-1 magnet 350 has a single polarity. have.

The third camera device 300 may include a third-1 magnet 350. The 3-1 magnet 350 may be disposed between the third coil 340 and the third cover 310. The 3-1 magnet 350 may be disposed between the third coil 340 and the third side plate 312 of the third cover 310. The 3-1 magnet 350 may be disposed in the third housing 320. The 3-1 magnet 350 may be fixed to the third housing 320 by an adhesive. The 3-1 magnet 350 may be disposed between the third bobbin 330 and the third housing 320. The 3-1 magnet 350 may face the third coil 340. The 3-1 magnet 350 may be a 'drive magnet'. The 3-1 magnet 350 may be used for AF driving. The size of the third magnet 1 350 may be larger than that of the second magnet 250.

In the present exemplary embodiment, the third coil 340 is disposed on the third bobbin 330 and the 3-1 magnet 350 is disposed on the third housing 320. However, in the modified example, the 3-1 magnet is disposed. 350 may be disposed in the third bobbin 330 and the third coil 340 may be disposed in the third housing 320.

The 3-1 magnet 350 may include a plurality of magnets. The 3-1 magnet 350 may include two magnets. The 3-1 magnet 350 may include a 3-1-1 magnet 351 and a 3-1-2 magnet 352. The 3-1 magnet 350 may include a 3-1-1 magnet 351 disposed between the third coil 340 and the third-3 side plate 312-3, the third coil 340, and the third coil 340, respectively. It may include a 3-1-2 magnet 352 disposed between the 3-4 side plate 312-4. The 3-1-1 magnet 351 may be disposed between the third-third side plate 312-3 of the third cover 310 and the third side surface of the third bobbin 330. The 3-1-2 magnet 352 may be disposed between the third and fourth side plates 312-4 of the third cover 310 and the fourth side of the third bobbin 330. In the present embodiment, between the third side plate 312-1 of the third cover 310 and the first side surface of the third bobbin 330 and the third side plate 312-2 of the third cover 310. ) And the third-1 magnet 350 may not be disposed between the second bobbin 330 and the second side surface of the third bobbin 330. That is, the 3-1 side plate 312-1 facing the 3-2 magnet 371 and the 3-2 side plate 312-2 facing the 3-3 magnet 372 are 3-1. The magnet 350 may not be disposed. Through this, magnetic force interference between the 3-1 to 3-3 magnets 350, 371, and 372 may be minimized.

The third camera device 300 may include a third base 360. The third base 360 may be disposed below the third housing 320. The third base 360 may be combined with the third cover 310. The third base 360 may be disposed on the third printed circuit board.

The third camera device 300 may include a third-2 magnet 371. The third-2 magnets 371 may be detected by the third hall sensor 373. The third-2 magnet 371 may be a 'sensing magnet'. The third-2 magnets 371 may be disposed on the third bobbin 330. The third-2 magnet 371 may be disposed in the second groove 332 of the third bobbin 330. The outer surface of the third-2 magnet 371 may be disposed on one plane with the fifth side surface 339 of the third bobbin 330. The 3-2 magnet 371 may be disposed closer to the 3-4 side plate 312-4 than the 3-3 side plate 312-3. The 3-2 magnet 371 may be disposed closer to the 3-1-2 magnet 352 than the 3-1-1 magnet 351. That is, the 3-2 magnet 371 may be disposed to be biased toward any one side of the 3-1-1 magnet 351 and the 3-1-2 magnet 352 without being spaced apart by the same distance. In this case, the third-3 magnet 372 may be disposed closer to the 3-1-1 magnet 351 than the third-1-2 magnet 352.

The third camera device 300 may include a third-3 magnet 372. The third-3 magnet 372 may be disposed in the third bobbin 330. The third-3 magnet 372 may be disposed between the first camera device 100 and the third bobbin 330. The third-3 magnet 372 may be disposed to achieve magnetic force balance with the third-2 magnet 371. That is, the third-3 magnet 372 may be disposed to compensate for the third-2 magnet 371. The third-3 magnet 372 may be a 'compensation magnet'. The third-3 magnet 372 may be formed in a shape corresponding to the third-2 magnet 371. The third-3 magnet 372 may be formed to have a size corresponding to that of the third-2 magnet 371. The third-3 magnet 372 may have a polarity corresponding to the third-2 magnet 371. The third-3 magnet 372 may be disposed at a position corresponding to the third-2 magnet 371. The third-3 magnet 372 may be symmetrical with the third-2 magnet 371 based on the vertical central axis of the third bobbin 330. The third-3 magnet 372 may be symmetrical with respect to the optical axis of the third-2 magnet 371. Through this, the influence of the magnetic force on the third magnet 372 to drive the camera device can be minimized.

The third camera device 300 may include a third hall sensor 373. The third hall sensor 373 may detect the third-second magnet 371. The third hall sensor 373 may face the third-second magnet 371. As a variant, the third hall sensor 373 may be disposed on an opposite surface of the opposing surface of the third substrate 374 facing the third-2 magnet 371. The third hall sensor 373 may be disposed at a position corresponding to the third-2 magnet 371. The third hall sensor 373 may be disposed on the third substrate 374. The third hall sensor 373 may be electrically connected to the third substrate 374. The third hall sensor 373 may be coupled to the third substrate 374 by soldering. At least a part of the third hall sensor 373 may protrude from an inner surface of the third housing 320. The protruding portion of the third hall sensor 373 may be disposed on an extension line or an extension surface of the outermost surface of the third coil 340. In this case, the first side surface of the third bobbin 330 may include a fifth side surface 339 which is an area recessed in a portion corresponding to the protruding portion of the third hall sensor 373. The third hall sensor 373 may be a driver IC integrated hall sensor. The third hall sensor 373 may include a total of four terminals of SCL, SDA, VDD, and GND. The third hall sensor 373 may have a shape in which one side is fixed by a stopper of the third housing 320 and the other surface protrudes more than an inner surface of the third housing 320.

In the present embodiment, the third hall sensor 373 may be disposed between the third-second magnet 371 and the second camera apparatus 200. The third hall sensor 373 may be disposed between the third-2 magnet 371 and the third-1 side plate 312-1. Through the arrangement of the magnet and the hall sensor mentioned above, the influence of the magnetic force on the driving magnets of the third to third camera apparatuses 100, 200, and 300 may be minimized.

The third camera device 300 may include a third substrate 374. The third substrate 374 may be disposed between the third bobbin 330 and the third side plate 312 of the third cover 310. The third substrate 374 may be disposed in the third housing 320. The third substrate 374 may be inserted into and fixed to a corresponding shape of the third housing 320.

The third substrate 374 may include a plurality of portions. The third substrate 374 may include first to third portions 374-1, 374-2, and 374-3. The third substrate 374 may include a first portion 374-1 disposed on the third-first side plate 312-1 of the third cover 310 and a third-third side plate of the third cover 310 ( The second portion 374-2 disposed at 312-3 and the third portion 374-3 connecting the first portion 374-1 and the second portion 374-2 may be included. . A plurality of terminals 375 electrically connected to the third coil 340 and the third hall sensor 373 may be disposed at a lower end of the first portion 374-1. The third hall sensor 373 may be disposed on an inner surface of the second portion 374-2. A capacitor 376 may be disposed on an inner surface of the third portion 374-3. The first to third portions 374-1, 374-2, and 374-3 may be disposed at different heights. The third portion 374-3 may be disposed higher than the first portion 374-1 and the second portion 374-2 may be disposed higher than the third portion 374-3. The lower surface of the third-1 magnet 350 may be disposed on the upper surface of the first portion 374-1. The third substrate 374 may be formed by bending a plurality of times. The third substrate 374 may be an FPCB.

The third camera device 300 may include a capacitor 376. The capacitor 376 may minimize the voltage drop phenomenon. Through this, the capacitor 376 may prevent the initialization of the driver IC of the third hall sensor 373. The capacitor 376 may be disposed in the lower groove of the diagonal portion (corner portion) of the third housing 320.

The third camera device 300 may include an elastic member 380. The elastic member 380 may movably support the third bobbin 330. The elastic member 380 may elastically support the third bobbin 330.

The elastic member 380 may include a first elastic member 381 and a second elastic member 385.

The first elastic member 381 may connect an upper portion of the third bobbin 330 and an upper portion of the third housing 320. The first elastic member 381 may be coupled to an upper surface of the third bobbin 330 and an upper surface of the third housing 320. The first elastic member 381 may be an 'upper elastic member'. The first elastic member 381 may be a leaf spring.

The first elastic member 381 includes an inner portion 382 coupled to an upper portion of the third bobbin 330, an outer portion 383 coupled to an upper portion of the third housing 320, an inner portion 382 and an outer portion 383. It may include a connecting portion 384 for connecting.

The second elastic member 385 may be coupled to the lower portion of the third bobbin 330. The second elastic member 385 may be coupled to the bottom surface of the third bobbin 330. The second elastic member 385 may be a 'lower elastic member'. The second elastic member 385 may be fixed between the third housing 320 and the third base 360. The second elastic member 385 may include an inner portion coupled to the lower portion of the third bobbin 330, an outer portion coupled to the lower surface of the third housing 320 and / or the upper surface of the third base 360, and the inner portion. It may include a connecting portion for connecting the outer portion.

The second elastic member 385 may include two elastic units spaced apart from each other. The second elastic member 385 may include first and second elastic units 385-1 and 385-2. Each of the first and second elastic units 385-1 and 385-2 may be connected to the third coil 340. In more detail, one of the two lead wires of the third coil 340 may be connected to the first elastic unit 385-1 and the other of the lead wires may be connected to the second elastic unit 385-2. In addition, each of the first and second elastic units 385-1 and 385-2 may be connected to the third substrate 374. In more detail, the first elastic unit 385-1 is connected to the first terminal formed on the inner surface of the third substrate 374, and the second elastic unit 385-2 is formed on the inner surface of the third substrate 374. Can be connected to the second terminal. That is, in this embodiment, two elastic units of the second elastic member 385 may be used to electrically connect the third coil 340 and the third substrate 374.

The third camera device 300 may include a third lens. The third lens may be coupled to the third bobbin 330. The third lens may include a plurality of lenses. The plurality of lenses can be coupled to the barrel. A lens module having a plurality of lenses coupled to a barrel may be coupled to an inner circumferential surface of the third bobbin 330.

The third camera device 300 may include a third image sensor. The third image sensor may be disposed under the third lens. The third image sensor may be disposed on the third printed circuit board. The third image sensor may be coupled to the third printed circuit board by surface mounting technology (SMT). As another example, the third image sensor may be coupled to the third printed circuit board by flip chip technology. The third image sensor may be arranged to coincide with the third lens and the optical axis. The optical axis of the third image sensor and the optical axis of the third lens may be aligned. The third image sensor may convert light irradiated to the effective image area of the third image sensor into an electrical signal. The third image sensor may be one of a charge coupled device (CCD), a metal oxide semi-conductor (MOS), a CPD, and a CID.

The third camera device 300 may include a third filter. The third filter may include a third infrared filter. The third infrared filter may block the light of the infrared region from being incident on the third image sensor. The third infrared filter may be disposed between the third lens and the third image sensor. The third infrared filter may be disposed in the third base. Alternatively, the third infrared filter may be disposed on a sensor base separate from the third base.

The third camera device 300 may include a third printed circuit board. A third base or a separate sensor base may be disposed on the third printed circuit board. The third printed circuit board may be electrically connected to the third coil 340. The third printed circuit board may be electrically connected to the third image sensor.

The third camera device 300 may include a third control unit. The third controller can control the direction, intensity, and amplitude of the current applied to the third coil 340. The third control unit may perform AF driving, OIS driving, AF feedback control, and / or OIS feedback control of the third camera device 300.

In the present exemplary embodiment, each of the first bobbin 130 of the first camera apparatus 100, the second bobbin 230 of the second camera apparatus 200, and the third bobbin 330 of the third camera apparatus 300 may be formed. It may include a hole. In this case, the lens module may be coupled to each hole. Meanwhile, the inner diameter of the third bobbin 330 may be larger than the inner diameter of the first bobbin 130 and the inner diameter of the second bobbin 230. That is, the third bobbin 330 may accommodate a larger diameter lens than the first bobbin 130 and the second bobbin 230. The size of the third bobbin 330 may be larger than the size of the first bobbin 130 and the size of the second bobbin 230. The size of the third coil 340 may be larger than the size of the first-first coil 140 and the size of the second coil 240.

In the present embodiment, when viewed from the top or the top, the virtual first straight line may pass through the optical axis of the first camera apparatus 100, the optical axis of the second camera apparatus 200, and the optical axis of the third camera apparatus 300. The first magnet 150, the second magnet 250, the 3-1 magnet 350 and the 3-2 magnet 371 may not be disposed in the virtual first straight line. The first to third camera apparatuses 100, 200, and 300 may be arranged such that the optical axes are positioned on the same line. Magnets of the first to third camera apparatuses 100, 200, and 300 may not overlap on the same line. Magnets of the first to third camera apparatuses 100, 200, and 300 may be spaced apart from the same line.

This embodiment has been described as an embodiment in which all of the first to third camera apparatuses 100, 200, and 300 are disposed together, but as a modification, only the first and second camera apparatuses 100 and 200 are arranged or other modifications. For example, only the first and third camera apparatuses 100 and 300 may be disposed, or in another modification, only the second and third camera apparatuses 200 and 300 may be disposed. Furthermore, an additional camera device may be disposed in the first to third camera devices 100, 200, and 300.

In another modified example in which the first and third camera apparatuses 100 and 300 are disposed, the first camera apparatus 100 includes a first cover 110 and a first housing 120 disposed in the first cover 110. And the first bobbin 130 disposed in the first housing 120, the first-first coil 140 disposed on the first bobbin 130, and the first housing 120 disposed in the first housing 120. The first magnet 150 facing the one coil 140, the first base 160 disposed under the first housing 120, and the first magnet 150 disposed on the first base 160 and the first magnet 150 It may include an opposite 1-2 coil (170). The third camera device 300 includes a third cover 310, a third bobbin 330 disposed in the third cover 310, a third coil 340 disposed on the third bobbin 330, 3-1 magnet 350 disposed between the third coil 340 and the third cover 310 and facing the third coil 340, and 3-2 magnet disposed on the third bobbin 330. 371 and a third hall sensor 373 detecting the third-second magnet 371. The third cover 310 may include a third top plate 311 including a hole and a plurality of third side plates 312 extending downward from the third top plate 311. The plurality of third side plates 312 may be disposed on opposite sides of the third and second side plates 312-2 and the third and second side plates 312-2 facing the first cover 110. 312-1. The third hall sensor 373 may be disposed between the third-2 magnet 371 and the third-1 side plate 312-1.

In another modified example in which the second and third camera devices 200 and 300 are disposed, the second camera device 200 includes a second cover 210 and a second bobbin 230 disposed in the second cover 210. ), A second coil 240 disposed on the second bobbin 230, and a second magnet disposed between the second coil 240 and the second cover 210 and facing the second coil 240. 250). The third camera device 300 includes a third cover 310, a third bobbin 330 disposed in the third cover 310, a third coil 340 disposed on the third bobbin 330, 3-1 magnet 350 disposed between the third coil 340 and the third cover 310 and facing the third coil 340, and 3-2 magnet disposed on the third bobbin 330. 371 and a third hall sensor 373 detecting the third-second magnet 371. The third cover 310 includes a third upper plate 311 including a hole and a plurality of third side plates 312 extending downward from the third upper plate 311, and the plurality of third side plates 312. The second cover 210 may include a third first side plate 312-1 facing the second cover 210. The third hall sensor 373 may be disposed between the third-2 magnet 371 and the third-1 side plate 312-1. The second cover 210 may include a second top plate 211 including a hole and a plurality of second side plates 212 extending downward from the second top plate 211. The plurality of second side plates 212 may be arranged on opposite sides of the 2-1 side plate 212-1 facing the 3-1 side plate 312-1 and the 2-1 side plate 212-1. 2-2 side plate 212-3 and 2-4 side plate (212-2) which are arranged on the opposite sides between 2-2 side plate 212-2 and 2-1 and 2-2 side plate 212-2 ( 212-4). The third hall sensor 373 may be disposed closer to the second-fourth side plate 212-4 than the second-third side plate 212-3. The second magnet 250 includes a second-first magnet 251 disposed between the second coil 240 and the second-third side plate 212-3, and the second coil 240 and the second-fourth side plate. It may include a 2-2 magnet 252 disposed between (212-4). The 2-1 magnet 251 is disposed closer to the 2-1 side plate 212-1 than the 2-2 side plate 212-2, and the 2-2 magnet 252 is the 2-1 side plate 212. -1) may be disposed closer to the second-second side plate 212-2.

In the above description, all elements constituting the embodiments of the present invention are described as being combined or operating in combination, but the present invention is not necessarily limited to the embodiments. In other words, within the scope of the present invention, all of the components may be selectively operated in combination with one or more. In addition, the terms such as 'comprise', 'comprise' or 'having' described above mean that a corresponding component may be included unless otherwise stated, and thus, other components are excluded. It should be construed that it may further include other components instead. All terms, including technical and scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art unless otherwise defined. Terms used generally, such as terms defined in a dictionary, should be interpreted to coincide with the contextual meaning of the related art, and shall not be interpreted in an ideal or excessively formal sense unless explicitly defined in the present invention.

The above description is merely illustrative of the technical idea of the present invention, and those skilled in the art to which the present invention pertains may make various modifications and changes without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are not intended to limit the technical idea of the present invention but to describe the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The protection scope of the present invention should be interpreted by the following claims, and all technical ideas within the equivalent scope should be interpreted as being included in the scope of the present invention.

100: first camera device 200: second camera device
300: third camera device

Claims (11)

A cover including a top plate including a hole and a side plate extending from the top plate;
A bobbin disposed in the cover;
A coil disposed on the bobbin;
A first magnet disposed between the coil and the side plate of the cover and facing the coil;
A second magnet disposed on the bobbin;
A substrate disposed between the bobbin and the side plate of the cover; And
A hall sensor disposed on the substrate and facing the second magnet;
The coil includes first to eighth portions arranged in an octagonal shape,
The first portion connects the second portion and the eighth portion, the third portion connects the second portion and the fourth portion, and the length of the first portion is greater than the length of the third portion. Long,
And the second magnet is disposed outside the first portion of the coil. The method of claim 1,
The side plate of the cover includes a first side plate, a second side plate disposed opposite the first side plate, and a third side plate and a fourth side plate disposed opposite to each other between the first side plate and the second side plate. and,
The bobbin includes a hole penetrating the bobbin in an optical axis direction, a first side surface facing the first side plate, a second side surface facing the second side plate, a third side surface facing the third side plate, A fourth side surface facing the fourth side plate and a first groove formed between the second magnet and the hole of the bobbin and having a portion of the coil disposed therein;
And the first groove is formed to have an inclination with the first side surface and the fourth side surface. The method of claim 2,
The first magnet is disposed between the first-first magnet disposed between the third side plate of the cover and the third side surface of the bobbin, and between the fourth side plate of the cover and the fourth side surface of the bobbin. Including 1-2 magnet,
And the first magnet is not disposed between the first side plate of the cover and the first side surface of the bobbin and between the second side plate of the cover and the second side surface of the bobbin. The method of claim 2,
The bobbin further includes a second groove formed between the first groove and the first side plate of the cover,
And the second magnet is disposed in the second groove. The method of claim 2,
The first groove includes a first surface facing the inner surface of the coil, a second surface facing the lower surface of the coil, and a third surface facing the outer surface of the coil,
And the first surface of the first groove forms an angle of 135 degrees with the first side surface of the bobbin. The method of claim 2,
The lens driving device further includes a third magnet disposed on the bobbin,
The third magnet is symmetrical with respect to the second magnet and the optical axis,
The bobbin is symmetrical with respect to the first groove and the optical axis and is formed between the third groove in which a part of the coil is disposed, the third groove and the second side plate of the cover, and the third magnet is disposed. The lens driving device further comprises a fourth groove. The method of claim 2,
The lens driving device further includes a housing disposed between the cover and the bobbin and the first magnet is disposed, and a first elastic member connecting the upper portion of the bobbin to the upper portion of the housing,
The first elastic member includes an inner portion coupled to an upper portion of the bobbin, an outer portion coupled to an upper portion of the housing, and a connection portion connecting the inner portion and the outer portion,
The bobbin is formed by recessing a portion of the upper surface of the bobbin and includes a stepped portion overlapping the connection portion in the optical axis direction,
The stepped portion includes a first stepped portion formed between the first side surface and the fourth side surface, and a second stepped portion formed between the second side surface and the fourth side surface,
And a shape of the first stepped portion is different from that of the second stepped portion. The method of claim 4, wherein
The lens driving device further includes a second elastic member coupled to the lower portion of the bobbin, the second elastic member includes two elastic units spaced apart from each other,
The bobbin further includes a support part protruding from a plurality of side surfaces and a lower end of the coil, a fifth groove formed on the support part, and a sixth groove formed on an opposite side of the fifth groove on the support part.
The coil includes two lead wires, and the two lead wires of the coil are respectively connected to the two elastic units through the fifth groove and the sixth groove. The method of claim 8,
The lens driving device further comprises a housing disposed between the cover and the bobbin and the first magnet is disposed,
The Hall sensor protrudes at least a part from the inner surface of the housing,
The bobbin includes a fifth side surface disposed inside the side surface of the support portion formed on the first side surface and facing the hall sensor.
The second groove is a lens driving device formed on the fifth side. The method of claim 2,
The substrate includes a first portion disposed on the first side plate of the cover, a second portion disposed on the third side plate of the cover, and a third portion connecting the first portion and the second portion. and,
A plurality of terminals electrically connected to the coil and the hall sensor are disposed at the lower end of the first portion,
The Hall sensor is disposed on the inner surface of the second portion,
And a capacitor is disposed on an inner surface of the third portion. A third camera device disposed between the first camera device, the second camera device, and the first camera device and the second camera device, the third camera device including a lens driving device according to claim 1,
The first camera device includes a bobbin, a first coil disposed on the bobbin of the first camera device, a magnet facing the first coil of the first camera device, and a bottom of the magnet of the first camera device. A second coil disposed in the
The second camera device includes a bobbin, a coil disposed on the bobbin of the second camera device, and a magnet facing the coil of the second camera device.
And the hall sensor of the third camera device is disposed between the second magnet of the third camera device and the second camera device.

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