Patent ID: 12216394

BEST MODE

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

In addition, in describing the components of the embodiment of the present invention, terms such as first, second, A, B, (a), and (b) may be used. These terms are merely intended to distinguish the components from other components, and the terms do not limit the nature, order or sequence of the 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, however, it should be understood that another element may be “connected” or “coupled” between components.

‘Optical axis direction’ used below is defined as the optical axis direction of the lens of the camera apparatus. At this time, the optical axis of the lens may correspond to the optical axis of the image sensor. Meanwhile, the ‘optical axis direction’ may correspond to the ‘up and down’ direction and the ‘z axis direction.

The “auto focus function” used below is defined as the function that automatically focuses on a subject by moving the lens in the direction of the optical axis according to the distance of the subject so that clear images of the subject can be obtained on the image sensor. Meanwhile, ‘auto focus’ can be used interchangeably with ‘Auto Focus (AF)’.

The “image stabilization function” used below is defined as a function of moving or tilting a lens module in a direction perpendicular to the optical axis direction so as to cancel a vibration (movement) generated in an image sensor by an external force. Meanwhile, “image stabilization” may be used interchangeably with “Optical Image Stabilization (OIS)”.

Hereinafter, “dual camera device” and “camera device” may be used interchangeably. That is, it can be described that the camera device comprises two camera devices.

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

The optical apparatus may be 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. However, the type of the optical apparatus is not limited thereto, and any device for capturing an image or a picture may be included in the optical apparatus.

The optical apparatus may comprise a main body. The main body may form the appearance of the optical apparatus. The main body may accommodate a camera device. A display unit may be disposed on one surface of the main body. For example, the display unit and the camera device may be disposed on one surface of the main body, and another camera device may be additionally disposed on the other surface (a surface opposite to the one surface) of the main body.

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

The optical apparatus may comprise a camera device. The camera device may be disposed in the main body. At least a portion of the camera device may be accommodated in the main body. The camera device may be provided in plurality. The camera device may be disposed respectively on one surface of the main body and the other surface of the main body. The camera device may photograph an image of a subject.

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

FIG.13is an exploded perspective view of the camera device according to the present embodiment.

The camera device may comprise a plurality of camera devices. The camera device may comprise two camera devices. The camera device may be a ‘dual camera device’. The camera device may be a ‘camera module’.

The camera device may comprise a first lens31and a second lens. The first lens31may be coupled to a first bobbin210. A second lens32may be coupled to a second bobbin220. Each of the first lens31and the second lens32may comprise a plurality of lenses. Multiple lenses may be coupled to a barrel. A lens module in which the plurality of lenses is coupled to the barrel may be coupled to the inner circumferential surfaces of each of the first bobbin210and the second bobbin220.

The camera device may comprise a first image sensor21and a second image sensor22. The first image sensor21may be disposed under the first lens31. The second image sensor22may be disposed under the second lens32. The first image sensor21may be disposed on a first printed circuit board. The second image sensor22may be disposed on a second printed circuit board. The first image sensor21may be coupled to the first printed circuit board by a surface mounting technology (SMT). As another example, the first image sensor21may be coupled to the first printed circuit board by flip chip technology. The second image sensor22may be coupled to a second printed circuit board by the surface mount technology. As another example, the second image sensor22may be coupled to the second printed circuit board by a flip chip technology. The first image sensor21may be disposed such that the first lens31and the optical axis are coincided. The second image sensor22may be disposed such that the optical axis is coincided with the second lens32. The optical axis of the first image sensor21and the optical axis of the first lens31can be aligned. The optical axis of the second image sensor22and the optical axis of the second lens32may be aligned. Each of the first image sensor21and the second image sensor22may convert light irradiated to the effective image area of the image sensor into an electrical signal. Each of the first image sensor21and the second image sensor22may be any one of a charge coupled device (CCD), a metal oxide semi-conductor (MOS), a CPD, and a CID.

The camera device may comprise a first filter and a second filter. Each of the first filter and the second filter may comprise an infrared filter. The infrared filter may block light from the infrared region from entering into the first image sensor21and the second image sensor22. The infrared filter may be disposed between the first lens31and the first image sensor21and between the second lens32and the second image sensor22. The infrared filter may be disposed on the base500. Alternatively, the infrared filter may be disposed on a sensor base (not shown) separate from the base500.

The camera device may comprise a printed circuit board10. The printed circuit board10may comprise a first printed circuit board and a second printed circuit board. The first printed circuit board and the second printed circuit board may be integrally formed. A base500or a separate sensor base may be disposed on the printed circuit board10. The printed circuit board10comprises a first coil310, a second coil320, a third coil620, a first Hall sensor750, a second Hall sensor760, and a third Hall sensor770, and a fourth Hall sensor780. The printed circuit board10may be electrically connected to the first image sensor21and the second image sensor22.

The camera device may comprise a control unit. The control unit may control the direction, intensity, and amplitude of the current applied to the first coil310, the second coil320, and the third coil620. The control unit may control the first Hall sensor750, the second Hall sensor760, the third Hall sensor770, and the fourth Hall sensor780. The control unit may perform AF driving, OIS driving, AF feedback control and/or OIS feedback control of the camera device.

Hereinafter, a configuration of a lens driving device according to a present embodiment and a modified embodiment will be described with reference to the drawings.

FIG.1is a conceptual diagram of a lens driving device according to the present embodiment;FIG.2is a perspective view of a lens driving device according to the present embodiment;FIG.3is an exploded perspective view of the lens driving device according to the present embodiment;FIG.4andFIG.5are exploded perspective views of some components of the lens driving device according to the present embodiment;FIG.6is a cross-sectional view seen from X-X inFIG.2;FIG.7is a cross-sectional view seen from Y-Y inFIG.2;FIG.8is a bottom view of the lens driving device according to the present embodiment;FIG.9is a plan view of the upper elastic member of the lens driving device according to a modified embodiment;FIG.10is a perspective view of a housing of a lens driving device according to a modified embodiment;FIG.11is a conceptual diagram of a lens driving device according to a modified embodiment; andFIG.12is a perspective view of a state in which the cover is removed fromFIG.2.

The lens driving device may be a voice coil motor (VCM). The lens driving device may be a ‘lens driving motor’. The lens driving device may comprise two closed-loop auto focus (CLAF) actuators. The lens driving device may comprise an image stabilization module (OIS module). The lens driving device may be provided in a dual camera device, and may perform AF functions and OIS functions.

The lens driving device may comprise a housing100. The housing100may be disposed inside a cover900. The housing100may be disposed outside a first bobbin210and a second bobbin220. The housing100may accommodate at least a portion of the first bobbin210and the second bobbin220. The housing100may be disposed between the first bobbin210and the cover900and between the second bobbin220and the cover900. The housing100may be spaced apart from the first bobbin210, the second bobbin220, and the cover900. The housing100may be formed of a material different from the cover900. The housing100may be formed of an injection material. The housing100may be disposed on a base500. The housing100can be moved for OIS driving.

The housing100may comprise a plurality of lateral walls. At this time, the ‘lateral wall’ may be a ‘lateral part’. The housing100may comprise first to fifth lateral walls101,102,103,104, and105. The housing100may comprise the first lateral wall101and second lateral wall102disposed opposite to each other, and third to fifth lateral walls103,104, and105disposed between the first lateral wall101and the second lateral wall102. It can contain. At this time, the third lateral wall103is disposed outside the first hole110, the fourth lateral wall104is disposed outside the second hole120, and the fifth lateral wall105may be disposed between the first hole110and the second hole120. That is, the fifth lateral wall105may be disposed between the first lateral wall101and the second lateral wall102and between the third lateral wall103and the fourth lateral wall104.

The housing100may comprise a plurality of holes penetrating the housing100in the optical axis direction. The housing100may comprise a first hole110and a second hole120. The first bobbin210may be disposed in the first hole110of the housing100. The second bobbin220may be disposed in the second hole120of the housing100. The first hole110and the second hole120may be formed in corresponding shapes and sizes.

The housing100may comprise a hole130. The hole130may be a “wire hole” through which a wire830passes. The wire830may be disposed in the hole130of the housing100. The diameter of the hole130of the housing100may be larger than the diameter of the wire830.

The lens driving device may comprise a first bobbin210. The first bobbin210may be disposed in the first hole110of the housing100. The first bobbin210may be disposed inside the housing100. The first bobbin210may be disposed inside the cover900. The first bobbin210may comprise a hole penetrating the first bobbin210in the optical axis direction. A first lens31may be coupled to the hole of the first bobbin210. The first bobbin210may be movably supported with respect to the housing100by a first elastic member810. The first bobbin210may be integrally moved with the first lens31for AF driving and OIS driving.

The lens driving device may comprise a second bobbin220. The second bobbin220may be disposed in the second hole120of the housing100. The second bobbin220may be disposed inside the housing100. The second bobbin220may be disposed inside the cover900. The second bobbin220may comprise a hole penetrating the second bobbin220in the optical axis direction. A second lens32may be coupled to the hole of the second bobbin220. The second bobbin220may be movably supported with respect to the housing100by a second elastic member820. The second bobbin220may be integrally moved with the second lens32for AF driving and OIS driving. The second bobbin220may be formed in a size and shape corresponding to the first bobbin210. The second bobbin220may be disposed parallel to the first bobbin210.

The lens driving device may comprise a first coil310. The first coil310may be an ‘AF coil’ for AF driving. The first coil310may be disposed on the first bobbin210. The first coil310may be disposed on the outer circumferential surface of the first bobbin210. The first coil310may be directly wound on the first bobbin210. Alternatively, the first coil310may be coupled to the first bobbin210in a wound state. The first coil310may be disposed between the first bobbin210and the housing100. The first coil310may face a first magnet400. The first coil310may interact electromagnetically with the first magnet400. When a current is applied to the first coil310and an electromagnetic field is formed around the first coil310, the first coil310can move with respect to the first magnet400by an electromagnetic interaction between the first coil310and the first magnet400.

The lens driving device may comprise a second coil320. The second coil320may be an ‘AF coil’ for AF driving. The second coil320may be disposed on the second bobbin220. The second coil320may be disposed on the outer circumferential surface of the second bobbin220. The second coil320may be directly wound on the second bobbin220. Or, the second coil320may be coupled to the second bobbin220in a wound state. The second coil320may be disposed between the second bobbin220and the housing100. The second coil320may face the first magnet400. The second coil320may interact electromagnetically with the first magnet400. When an electric current is applied to the second coil320and an electromagnetic field is formed around the second coil320, the second coil320can move with respect to the first magnet400by an electromagnetic interaction between the second coil320and the first magnet400.

The lens driving device may comprise a first magnet400. The first magnet400may be a ‘driving magnet’ for AF driving and OIS driving. The first magnet400may be disposed in the housing100. The first magnet400may be fixed to the housing100by an adhesive. The first magnet400may be disposed between the first bobbin210and the housing100and between the second bobbin220and the housing100. The first magnet400may face the first coil310, the second coil320and/or a third coil620. The first magnet400may be used in common for AF driving and OIS driving. The first magnet400may be a ‘flat magnet’ having a flat shape disposed on a lateral wall of the housing100.

The first magnet400may comprise a plurality of magnets. The first magnet400may comprise seven magnets. At least some of the seven magnets may be formed with different widths from other magnets. Or, they may be disposed asymmetrically while having the same width. In more detail, the widths of some magnets of the first magnet400may be formed to be short so that magnetic force interference with a second magnet710, a third magnet720, and a fourth magnet730, and a fifth magnet740is minimized. Or, all the magnets of the first magnet400have the same width, but they may be disposed to be biased toward some corners of the housing100. The first magnet400may comprise 1-1 to 1-7 magnets410,420,430,440,450,460, and470. The first magnet400may comprise: a 1-1 magnet410disposed on the first lateral wall101and facing the first coil310; a 1-2 magnets420disposed on the first lateral wall101and facing the second coil320; a 1-3 magnets430disposed on the second lateral wall102and facing the first coil310; a 1-4 magnet440disposed on the second lateral wall102and facing the second coil320; a 1-5 magnets450disposed on the third lateral wall103; a 1-6 magnets460disposed on the fourth lateral wall104; and a 1-7 magnet470placed on the fifth lateral wall105. The 1-5 magnet450may face the first coil310. The 1-6 magnet460may face the second coil320. A first surface of the 1-7 magnet470faces the first coil310and a second surface of the 1-7 magnet470(the side disposed opposite the first surface) may face the second coil320.

However, the magnet facing the first coil310may be a ‘first magnet’. The magnet facing the second coil320may be a ‘second magnet’. The magnet disposed between the first coil310and the second coil320may be a ‘third magnet’. At this time, the polarity of one surface of the first magnet facing the first coil310may be different from the polarity of one surface of the second magnet facing the second coil320. In addition, the polarity of one surface of the third magnet facing the first coil310is the same as the polarity of one surface of the first magnet, and the polarity of the other surface of the third magnet facing the second coil320may be the same as the polarity of one surface of the second magnet. The N pole of the third magnet may face the first coil310and the S pole may face the second coil320. Conversely, the S pole of the third magnet may face the first coil310and the N pole may face the second coil320. The first magnet comprises a 1-1 magnet disposed on the first lateral wall101, a 1-2 magnet disposed on the second lateral wall102, and a 1-3 magnet disposed on the third lateral wall103; the second magnet comprises a 2-1 magnet disposed on the first lateral wall101, a 2-2 magnet disposed on the second lateral wall102, and a 2-3 magnet disposed on the fourth lateral wall104; and the third magnet can be placed on the fifth lateral wall105.

In the present embodiment, the inner surface of the 1-1 magnet410, the inner surface of the 1-3 magnet430, the inner surface of the 1-5 magnet450, and the first surface of the 1-7 magnet470have the same polarity and may face the first coil310. The inner surface of the 1-2 magnet420, the inner surface of the 1-4 magnet440, the inner surface of the 1-6 magnet460, and the second surface of the 1-7 magnet470(the surface opposite to the first surface) have the same polarity and may face the second coil320. At this time, the first surface of the 1-7 magnet470and the second surface of the 1-7 magnet470are disposed opposite to each other and may have different polarities. Magnetic interference between the magnets can be minimized through such polarity arrangement of the magnets.

The lens driving device may comprise a base500. The base500may be spaced apart from the housing100. The base500may be disposed under the housing100. The base500may be coupled with a side plate920of the cover900. The base500may be disposed on a printed circuit board10. The base500may comprise two holes penetrating the base500in the optical axis direction and through which light passes. The base500may comprise a hole or groove accommodating a third Hall sensor770and a fourth Hall sensor780.

The lens driving device may comprise a substrate600. The substrate600may be disposed on the base500. The substrate600may be disposed on the upper surface of the base500. The substrate600may be a flexible printed circuit board (FPCB). The substrate600may be combined with a wire830. The substrate600may be disposed between the housing100and the base500. The substrate600may be electrically connected to the first coil310, the second coil320and/or the third coil620. The substrate600may be electrically connected to a first Hall sensor750, a second Hall sensor760, a third Hall sensor770and/or a fourth Hall sensor780.

The substrate600may comprise a terminal601. The substrate600may comprise a substrate portion610. The substrate600may comprise a terminal portion extending downward from the outer circumference of the substrate portion610. At this time, a plurality of terminals601may be formed on the outer surface of the terminal portion. The substrate portion610may comprise a hole611. The wire830may pass through the hole611of the substrate portion610. The diameter of the hole611of the substrate portion610may correspond to the diameter of the wire830. The number of holes611of the substrate portion610may correspond to the number of wires830.

The lens driving device may comprise a third coil620. The third coil620may be an ‘OIS coil’ for driving OIS. The substrate600may comprise a third coil620. The third coil620may be disposed on the substrate600in the form of a pattern coil. The third coil620may be a ‘fine-pattern (FP) coil’. However, the third coil620may be a separate configuration from the substrate600. The third coil620may be disposed on the base500. The third coil620may be disposed on the substrate portion610. The third coil620may face the first magnet400. The third coil620may comprise a hole621. The wire830may pass through the hole621of the third coil620. The third coil620may comprise a 3-1 coil for moving the first magnet400in a first direction, and a 3-2 coil for moving the first magnet400in a second direction perpendicular to the first direction. At this time, the 3-1 coil may comprise a plurality of coils, and the plurality of coils may be integrally formed. Or, a plurality of coils of the 3-1 coil may be formed separately. In addition, the 3-2 coil may comprise a plurality of coils, and the plurality of coils may be integrally formed. Alternatively, a plurality of coils of the 3-2 coil may be formed separately.

The lens driving device may comprise a second magnet710. The second magnet710may be a “sensing magnet” for AF feedback control. The second magnet710may be disposed on the first bobbin210. The second magnet710may be disposed to correspond to the first Hall sensor750. The second magnet710may be disposed to face a corner formed between the lateral walls disposed adjacently in the housing100. The second magnet710may face a corner portion between the second lateral wall102and the third lateral wall103of the housing100. Alternatively, the second magnet710may face a corner portion between the first lateral wall101and the third lateral wall103of the housing100. The second magnet710, the outer surface of the second magnet710, may have a different polarity from the inner surface of the 1-1 magnet410. That is, the inner surface of the second magnet710may have the same polarity as the inner surface of the 1-1 magnet410.

The lens driving device may comprise a third magnet720. The third magnet720may be a ‘sensing magnet’ for AF feedback control. The third magnet720may be disposed on the second bobbin220. The third magnet720may be disposed to correspond to the second Hall sensor760. The third magnet720may be disposed to face a corner formed between the lateral walls disposed adjacently in the housing100. The third magnet720may face the corner portion between the second lateral wall102and the fourth lateral wall104of the housing100. Or, the third magnet720may face a corner portion between the first lateral wall101and the fourth lateral wall104of the housing100. The outer surface of the third magnet720may have a different polarity from the inner surface of the 1-2 magnet420. That is, the inner surface of the third magnet720may have the same polarity as the inner surface of the 1-2 magnet420.

The lens driving device may comprise a fourth magnet730. The fourth magnet730may be a ‘compensation magnet’ for compensating the magnetic force of the second magnet710. The fourth magnet730may be disposed on the first bobbin210. The fourth magnet730may be disposed on the opposite side of the second magnet710with respect to the central axis of the first bobbin210. At this time, the central axis of the first bobbin210may correspond to the optical axis of the first lens31. The fourth magnet730may face a portion between the first lateral wall101and the fifth lateral wall105of the housing100. The outer surface of the fourth magnet730may have a different polarity from the inner surface of the 1-1 magnet410. That is, the inner surface of the fourth magnet730may have the same polarity as the inner surface of the 1-1 magnet410.

The lens driving device may comprise a fifth magnet740. The fifth magnet740may be a ‘compensation magnet’ for compensating the magnetic force of the third magnet720. The fifth magnet740may be disposed on the second bobbin220. The fifth magnet740may be disposed on the opposite side of the third magnet720with respect to the central axis of the second bobbin220. At this time, the central axis of the second bobbin220may correspond to the optical axis of the second lens32. The fifth magnet740may face a portion between the first lateral wall101and the fifth lateral wall105of the housing100. The outer surface of the fifth magnet740may have a different polarity from the inner surface of the 1-2 magnet420. That is, the inner surface of the fifth magnet740may have the same polarity as the inner surface of the 1-2 magnet420.

The lens driving device may comprise a first Hall sensor750. The first hall sensor750may be an ‘AF sensor’ for AF feedback control. The Hall sensor may be a ‘Hall IC’. The first Hall sensor750may be disposed inside the housing100. The first Hall sensor750may face the second magnet710. The first Hall sensor750may detect the second magnet710. The first Hall sensor750may sense the magnetic force of the second magnet710. The lens driving device may comprise a substrate751disposed on the housing100. The first Hall sensor750may be disposed on the substrate751. The first Hall sensor750may be disposed at a corner portion formed between the lateral walls disposed adjacently in the housing100. The first Hall sensor750and the substrate751may be disposed at a corner portion between the second lateral wall102and the third lateral wall103of the housing100. Or, the first Hall sensor750and the substrate751may be disposed at a corner portion between the first lateral wall101and the third lateral wall103of the housing100. The substrate751may be electrically connected to a first upper elastic member811. The first Hall sensor750may be electrically connected with the substrate751.

The lens driving device may comprise a second Hall sensor760. The second Hall sensor760may be an ‘AF sensor’ for AF feedback control. The second Hall sensor760may be disposed inside the housing100. The second Hall sensor760may face the third magnet720. The second Hall sensor760may detect the third magnet720. The second Hall sensor760may sense the magnetic force of the third magnet720. The lens driving device may comprise a substrate761disposed on the housing100. The second Hall sensor760may be disposed on the substrate761. The second Hall sensor760may be disposed in a corner portion formed between the lateral walls disposed adjacently in the housing100. The second Hall sensor760and the substrate761may be disposed at a corner portion between the second lateral wall102and the fourth lateral wall104of the housing100. Or, the second Hall sensor760and the substrate761may be disposed at a corner portion between the first lateral wall101and the fourth lateral wall104of the housing100. The substrate761may be electrically connected to a second upper elastic member821. The second Hall sensor760may be electrically connected to the substrate761.

Each of the first Hall sensor750and the second Hall sensor760may be a driver IC integrated structure. That is, the first Hall sensor750and the second Hall sensor760may individually perform a closed-loop auto focus (CLAF) driving. Each of the first Hall sensor750and the second Hall sensor760may comprise a plurality of signal lines for CLAF driving. Each of the first Hall sensor750and the second Hall sensor760may comprise four terminals, SCL, SDA, VDD, and GND.

In the present embodiment, both the first bobbin210and the second bobbin220have been described as CLAF-capable, but in a modified embodiment, only one of the first bobbin210and the second bobbin220may be CLAF-capable. That is, the second magnet710and the first Hall sensor750may be omitted, or the third magnet720and the second Hall sensor760may be omitted. In this case, two of the eight wires may be omitted. For an example, in the embodiment in which the third magnet720and the second Hall sensor760are omitted, four of the six wires are electrically connected to the first Hall sensor750integrated with the driver IC so that the first bobbin210is used for CLAF control, and the other two wires are electrically connected to the second coil320to be used for AF control. Or, 8 wires are maintained as they are, and 4 of the 8 wires are electrically connected to the first Hall sensor750that is not integrated with the driver IC, the other two wires are electrically connected to the first coil310, and the remaining two wires may be electrically connected to the second coil320.

The lens driving device may comprise a third Hall sensor770. The third Hall sensor770may be an ‘OIS sensor’ for OIS feedback control. The third Hall sensor770may face the first magnet400. The third Hall sensor770may detect movement of the first magnet400in a first direction. At this time, the first direction may be the x-axis direction. The third Hall sensor770may be disposed under the 1-6 magnet460.

The lens driving device may comprise a fourth Hall sensor780. The fourth Hall sensor780may be an ‘OIS sensor’ for OIS feedback control. The fourth Hall sensor780may face the first magnet400. The fourth Hall sensor780may detect movement of the first magnet400in a second direction perpendicular to the first direction. At this time, the second direction may be the y-axis direction. The fourth Hall sensor780may be disposed under the 1-2 magnet420.

The lens driving device may comprise a first elastic member810. The first elastic member810may connect the first bobbin210and the housing100. The first elastic member810may movably support the first bobbin210with respect to the housing100. The first elastic member810may elastically support the first bobbin210. The first elastic member810may have elasticity at least in part.

The first elastic member810may comprise a plurality of elastic members. The first elastic member810may comprise a plurality of elastic units. In addition, the first elastic member810may comprise a plurality of units. At least some of the plurality of units of the first elastic member810may not have elasticity. The first elastic member810may comprise four elastic units.

The first elastic member810may comprise a first upper elastic member811. The first upper elastic member811may be connected to the upper portion of the first bobbin210and the upper portion of the housing100. The first upper elastic member811may be coupled to the upper surface of the first bobbin210and the upper surface of the housing100. The first upper elastic member811may comprise an inner side portion coupled with an upper portion of the first bobbin210, an outer side portion coupled with an upper portion of the housing100, and a connecting portion connecting the inner side portion and the outer side portion.

The first upper elastic member811may comprise four elastic units. The first upper elastic member811may comprise first to fourth elastic units811-1,811-2,811-3, and811-4(refer toFIG.4). In the present embodiment, the first upper elastic member811may comprise additional elastic units in addition to the first to fourth elastic units811-1,811-2,811-3, and811-4. The first upper elastic member811may comprise a total of six elastic units. At this time, four of the six elastic units may be used as conductive lines.

In a modified embodiment, the first upper elastic member811may comprise first to fourth elastic units811-5,811-6,811-7, and811-8(refer toFIG.9). In the modified embodiment, the first upper elastic member811comprises a total of four elastic units, and all four elastic units can be used as conductive lines.

The first elastic member810may comprise a first lower elastic member812. The first lower elastic member812may connect the lower portion of the first bobbin210and the lower portion of the housing100. The first lower elastic member812may be coupled to the lower surface of the first bobbin210and the lower surface of the housing100. The first lower elastic member812may comprise an inner side portion coupled with a lower portion of the first bobbin210, an outer side portion coupled with a lower portion of the housing100, and a connecting portion connecting the inner side portion and the outer side portion.

The lens driving device may comprise a second elastic member820. The second elastic member820may connect the second bobbin220and the housing100. The second elastic member820may movably support the second bobbin220with respect to the housing100. The second elastic member820may elastically support the second bobbin220. The second elastic member820may have elasticity at least in part.

The second elastic member820may comprise a plurality of elastic members. The second elastic member820may comprise a plurality of elastic units. The second elastic member820may comprise four elastic units.

The second elastic member820may comprise a second upper elastic member821. The second upper elastic member821may be connected to the upper portion of the second bobbin220and the upper portion of the housing100. The second upper elastic member821may be coupled to the upper surface of the second bobbin220and the upper surface of the housing100. The second upper elastic member821may comprise an inner side portion coupled with the upper portion of the second bobbin220, an outer side portion coupled with the upper portion of the housing100, and a connecting portion connecting the inner side portion and the outer side portion.

The second upper elastic member821may comprise four elastic units. The second upper elastic member821may comprise fifth to eighth elastic units821-1,821-2,821-3, and821-4(refer toFIG.4). In the present embodiment, the second upper elastic member821may comprise additional elastic units in addition to the fifth to eighth elastic units821-1,821-2,821-3, and821-4. The second upper elastic member821may comprise a total of six elastic units. At this time, four of the six elastic units may be used as conductive lines.

In a modified embodiment, the second upper elastic member821may comprise fifth to eighth elastic units821-5,821-6,821-7, and821-8(refer toFIG.9). In the modified example, the second upper elastic member821comprises a total of four elastic units, and all four elastic units may be used as conductive lines.

The second elastic member820may comprise a second lower elastic member822. The second lower elastic member822may connect the lower portion of the second bobbin220and the lower portion of the housing100. The second lower elastic member822may be coupled to the lower surface of the second bobbin220and the lower surface of the housing100. The second lower elastic member822may comprise an inner side portion coupled to the lower portion of the second bobbin220, an outer side portion coupled to the lower portion of the housing100, and a connecting portion connecting the inner side portion and the outer side portion.

The lens driving device may comprise a support member. The support member may comprise a wire830and/or a plate spring. The support member may movably support the housing100with respect to the base500and/or the substrate600. The support member may be an ‘elastic member’. The support member may have elasticity at least in part.

The wire830may be connected to the first upper elastic member811and the substrate600and the second upper elastic member821and the substrate600. The upper end portion of the wire830may be coupled to the first upper elastic member811or the second upper elastic member821by soldering. The lower end portion of the wire830may be coupled to the lower surface of the substrate600by soldering. The wire830may pass through a hole130of the housing100, a hole621of the third coil620, and a hole611of a substrate portion610. The wire830is conductive and can be used as a conductive line. The wire830may comprise a plurality of wires. The wire830may comprise a total of 8 wires.

The wire830may comprise a first wire831. The first wire831may connect the first elastic member810and the substrate600. The first wire831may comprise four wires spaced apart from each other. At this time, the four wires may be respectively coupled to the four elastic units of the first upper elastic member811. The lower end portion of the four wires may be coupled to the substrate600, the upper end portion of the four wires may be coupled to the four elastic units, and the four elastic units may be coupled to a substrate751of a first Hall sensor750. Through this, the first upper elastic member811and the first wire831may be used as four conductive lines between the substrate600and the substrate751of the first Hall sensor750.

The wire830may comprise a second wire832. The second wire832may connect the second elastic member820and the substrate600. The second wire832may comprise four wires spaced apart from each other. At this time, the four wires may be respectively coupled to the four elastic units of the second upper elastic member821. The lower end portions of the four wires are coupled to the substrate600, the upper end portions of the four wires are coupled to the four elastic units, and the four elastic units can be coupled to a substrate761of a second Hall sensor760. Through this, the second upper elastic member821and the second wire832may be used as four conductive lines between the substrate600and the substrate761of the second Hall sensor760.

In the present embodiment, the first elastic member810and the first wire831may electrically connect the first Hall sensor750and the substrate600. The second elastic member820and the second wire832may electrically connect the second Hall sensor760and the substrate600.

The first wire831and the second wire832may comprise a total of 8 wires, 4 each. In the present embodiment, 4 of the 8 wires are respectively disposed at 4 corners of the housing100, and the remaining 4 wires may be disposed two each between the 1-1 magnet410and the 1-2 magnet420, and two each between the 1-3 magnet430and the 1-4 magnet440. In the modified embodiment, 8 wires may be disposed two at each of the four corner portions of the housing100(refer toFIG.11).

The lens driving device may comprise a cover900. The cover900may be coupled with the base500. The cover900can accommodate the housing100therein. The cover900may form an external appearance of the lens driving device. The cover900may be in the shape of a cuboid with a lower surface open. The cover900may be non-magnetic. The cover900may be formed of a metal material. The cover900may be formed of a metal sheet material. The cover900may be connected to the ground portion of the printed circuit board10. Through this, the cover900may be grounded. The cover900may block the electromagnetic interference (EMI). At this time, the cover900may be an ‘EMI shield can’.

The cover900may comprise an upper plate910and a side plate920. The cover900may comprise an upper plate910comprising holes and a plurality of side plates920extending downward from an outer periphery or edge of the upper plate910. The lower end of the side plate920may be disposed on a step portion formed on the side surface of the base500. The inner surface of the side plate920may be coupled with the base500by an adhesive. The side plate920may comprise a plurality of side plates. The side plate920may comprise four side plates. The side plate920may comprise first to fourth side plates.

The camera device according to the present embodiment can be manufactured in the following process sequence. A first bobbin assembly coupled with a first bobbin210, a first coil310, a second magnet710, and a fourth magnet730; and a bobbin assembly comprising a second bobbin assembly coupled with a second bobbin220, a second coil320, a third magnet720, and a fifth magnet740may be prepared. In addition, a housing magnet assembly coupled with a housing100, a first magnet400, a first Hall sensor750, and a second Hall sensor760may be prepared. Thereafter, the bobbin assembly and the housing magnet assembly may be assembled into an AF assembly (Dual) through a first elastic member810and a second elastic member820. Meanwhile, a base assembly coupled with a base500, a substrate600, a third coil620, a third Hall sensor770, and a fourth Hall sensor780may be prepared. Thereafter, the AF assembly and the base assembly may be assembled into an OIS main assembly through a wire830.

The present embodiment may comprise a dual closed loop auto focus (DUAL CLAF) integrated housing100(refer toFIG.10). According to the present embodiment, since the gap between the AF actuators in the OIS dual camera equipped with CLAF can be reduced to zero, the camera device size can be reduced. According to the present embodiment, the driver IC integrated CLAF can be installed in dual, and magnet interference may not occur when driving the OIS. In the present embodiment, two through holes through which light passes may be formed in one base500. In the present embodiment, the dual voice coil motor (VCM) can be operated simultaneously when the OIS is driven. At this time, only one Hall IC for checking the OIS position may be required for each of the x-axis and y-axis.

In the present embodiment, the polarity directions of the driving magnet and the sensing magnet may be arranged differently in the left and right VCM. On the other hand, the direction of rotation of the FP coil may correspond to the direction of magnet polarity arrangement.

In the above description, all components 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 purpose of this invention, all of those components may operate in selective combinations of one or more components. In addition, the term “include”, “comprise”, or “have” described above means that the corresponding components can be embedded unless there is an opposite description therefore it should be interpreted that other components may further be comprised in addition to those corresponding components. All terms, including technical and scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, unless otherwise defined. Commonly used terms, such as predefined terms, should be interpreted to be consistent with the contextual meanings of the related art, and are not to be construed as ideal or excessively formalistic, unless expressly defined to the contrary.

The above description is only to those described as the technical idea of the present invention by way of an example, and those skilled in the art will appreciate that various modifications and variations can be made without departing from the essential features 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.