Camera module

Abstract

To provide a structure minimizing mutual interference between magnets in a dual camera module.SOLUTION: A camera module includes a first camera module and a second camera module, the first camera module includes first to third magnets disposed in a first corner to a third corner of a first cover, and a first dummy member disposed in a fourth corner of the first cover. The second camera module includes fourth to sixth magnets disposed in a fifth corner to a seventh corner of a second cover, and a second dummy member disposed in an eighth corner of the second cover. The first dummy member is adjacent to a sixth magnet in fourth to sixth magnets, and the second dummy member is adjacent to the third magnet in the first to third magnets.SELECTED DRAWING: Figure 15

Description

[Technical Field]

[0001] This embodiment relates to a camera module. [Background technology]

[0002] As various mobile devices become more widely available, wireless internet services become commonplace. As a result, consumer demands for mobile devices are becoming more diverse, and various types of additional devices are being introduced into mobile devices. It is attached to the mobile terminal.

[0003] A typical example is a camera module that takes photos and videos of a subject. Meanwhile, in recent years, dual camera modules, which place two camera modules side by side, have been researched. In the conventional dual camera module, the distance between the camera modules is There is a problem that the distance is too small and magnetic field interference occurs between them.

[0004] The camera module also features an autofocus function that automatically adjusts the focus according to the distance to the subject. However, in recent years, the size and weight of lenses have increased, and lens movement has become more difficult. The stroke range of the movement also increases, and the electromagnetic force for the autofocus drive becomes insufficient during design. This results in a phenomenon where the drive linearity is lost. Summary of the Invention [Problem to be solved by the invention]

[0005] The first embodiment of the present invention is a dual OIS camera module that prevents mutual interference between magnets. We aim to provide a structure that minimizes

[0006] In the second embodiment of the present invention, the size of the entire module is increased in accordance with the increase in the size and weight of the lens. is minimized, and the electromagnetic force is increased to maintain the linearity of the lens drive and increase the stroke range. To provide a lens driving device including a force securing structure. [Means for solving the problem]

[0007] The camera module according to the first embodiment of the present invention includes a first camera module and a second camera module. the first camera module is disposed within a first cover, a first bobbin disposed at a first corner to a third corner of the first cover; a third magnet and a first dummy member disposed at a fourth corner of the first cover; The second camera module includes a second cover, a second bobbin disposed within the second cover, and The fourth to sixth magnets and the sixth magnets are arranged at the fifth to seventh corners of the second cover. and a second dummy member disposed at an eighth corner of the second cover, The member is adjacent to the sixth magnet among the fourth to sixth magnets, and the second dummy portion The member may be adjacent to the third magnet among the first to third magnets.

[0008] The second dummy member is a magnet that is connected to the second magnet, the third magnet, and the fourth magnet. It can be positioned in the same line as the slot.

[0009] The second dummy member is disposed between the third magnet and the fourth magnet. It is possible.

[0010] The first side wall of the first camera module faces the fifth side wall of the second camera module. We can communicate with each other.

[0011] a sensing magnet disposed at least at one of the fourth corner and the eighth corner; It may include a net.

[0012] The sensing magnet may include a position sensor disposed at a position corresponding to the sensing magnet. do.

[0013] The sensing magnet is a magnet that is attached to at least one of the first dummy member and the second dummy member. It can be placed one above the other.

[0014] The first dummy member and the second dummy member have grooves in which sensing magnets are disposed. may include:

[0015] The second magnet and the first dummy member may be arranged diagonally opposite each other. do.

[0016] When viewed from above, the inner polarity of the second magnet is the same as the inner polarity of the first magnet. may vary.

[0017] When viewed from below, the inner polarity of the second magnet is the same as the inner polarity of the first magnet. It can be the same.

[0018] The second magnet and the fifth magnet may have the same inner polarity in the vertical direction. .

[0019] The first and third magnets and the fourth and sixth magnets each have an inner polarity facing up. It may vary downward.

[0020] The weight of the first dummy member may be approximately the same as the weight of the second magnet.

[0021] The total weight of the first dummy member and the sensing magnet is less than the weight of the second magnet. It can be the same as

[0022] The second camera module is disposed between the second bobbin and the second cover. a second housing, a second base disposed below the second housing, and a second base and a second substrate on which the position sensor is disposed, the position sensor being disposed on the second substrate. Cut.

[0023] The second camera module is disposed between the second bobbin and the second cover. and the position sensor may be disposed in the second housing. do.

[0024] The camera module according to the first embodiment of the present invention includes a first camera module and a second camera module. the first camera module is disposed within a first cover, a first bobbin disposed at a first corner to a third corner of the first cover; a first dummy member disposed at a fourth corner of the net and the first cover; The camera module includes a second cover, a second bobbin disposed in the second cover, and a second second magnets disposed at the fifth to seventh corners of the cover and the second cover; and a second dummy member disposed at the eighth corner of the fifth to eighth corners ... The third corner is adjacent to the seventh corner of the eighth corner, and is located between the fifth corner and the eighth corner. The eighth corner may be adjacent to the center of the center of the shaft.

[0025] The second dummy member is provided between the two first magnets and the front of the first camera module. The second camera module may be arranged on a virtual straight line with one of the second magnets. can.

[0026] The virtual straight line is a first optical axis of the first camera module and a second optical axis of the second camera module. The second optical axis of the lens can be parallel to an imaginary straight line that passes through the lens and is perpendicular to the lens.

[0027] The imaginary straight line extends from the first optical axis of the first camera module to the second camera module. The direction of the second optical axis of the lens can be parallel to the direction of the second optical axis of the lens.

[0028] The third corner may be disposed between the second corner and the eighth corner. can.

[0029] The first dummy member is a second mag that is disposed at the third corner of the second cover. The second dummy member is disposed adjacent to the net, and the third dummy member of the first cover The second magnet may be disposed adjacent to the first magnet disposed at the corner.

[0030] The camera module according to the first embodiment of the present invention includes a first camera module and a second camera module. the first camera module is a second camera module facing the second camera module. a first cover including a first surface, and a first cover adjacent to the first surface at four corners of the first cover; a first dummy member disposed at a corner, and The first magnet is disposed at each of the remaining three corners except for the first corner. The second camera module includes a second cover including a second surface facing the first surface of the first cover. a bar, and a first corner of the four corners of the second cover, the first corner being adjacent to the second surface; a second dummy member provided at each of the four corners of the second cover except for the first corner; and a second magnet disposed at each of the remaining three corners of the first dummy member. is a virtual camera that connects the optical axis of the first camera module and the optical axis of the second camera module. The second dummy member may be disposed on the opposite side of the plane of the first dummy member.

[0031] The first camera module includes a first base and a first housing spaced apart from the first base. a first bobbin disposed in the first housing; a first coil facing the first magnet; a first coil disposed on the first base; the second camera module includes a second coil facing the second base; a second housing spaced apart from the base; and a second bobbin disposed within the second housing. a third coil disposed on the second bobbin and facing the second magnet; The magnet may include a fourth coil disposed on the base and facing the second magnet.

[0032] The first camera module faces the first dummy member on a plurality of side surfaces of the first bobbin. a third magnet disposed on the side facing the first magnet, and a first sensor for detecting the third magnet; the second camera module includes the second dummy portion on a plurality of side surfaces of the second bobbin. a fourth magnet disposed on the side facing the material; and a second sensor for detecting the fourth magnet. The sensor may include:

[0033] The first camera module includes a first substrate disposed on the first base and a first housing. a first elastic member connecting the first bobbin to the first substrate; a second elastic member connecting the second camera module to the second base; a second substrate, a third elastic member connecting the second housing and the second bobbin; a fourth elastic member connecting the second substrate and the third elastic member, and the second coil is The fourth coil may be disposed on the second substrate.

[0034] The first cover has the first corner and the first cover. The second corner is located on the opposite side of the corner, and the third corner is located on the opposite side of the corner. and a fourth corner, and the first magnet is disposed at the second corner of the first cover. a first magnet disposed at the third corner of the first cover; 2 magnet and the 1st-3rd magnet arranged at the fourth corner of the first cover. the second cover includes the first corner of the second cover and the second cover The second corner is located on the opposite side of the first corner, and the third corner is located on the opposite side of the first corner. the second magnet is disposed at the second corner of the second cover and at a fourth corner of the second cover; a second magnet disposed at the third corner of the second cover; 2-2 magnet and 2-3 magnet disposed at the fourth corner of the second cover The first magnet and the second magnet are two-pole magnetized magnets, The first-second magnet, the first-third magnet, the second-second magnet, and the The 2-3 magnet can be a four-pole magnetized magnet.

[0035] The two-pole magnetized magnet has different polarities on the inner and outer surfaces, and the four-pole magnetized magnet The two two-pole magnetized magnets with different polarities on the inner and outer surfaces are spaced apart along the optical axis. The four-pole magnet is formed by placing the upper and lower inner surfaces. The polarity of the faces can be different.

[0036] The first coil includes a first coil facing the inner surface of the first magnet, and The third coil includes a first-second coil facing the inner surface of the first-third magnet. The 3-1 coil faces the inner surface of the 2-2 magnet, and the inner surface of the 2-3 magnet. An opposing third-second coil may be included.

[0037] The second coil includes a 2-1 coil facing the lower surface of the 1-1 magnet, and The second coil faces the bottom surface of the first magnet, and the third coil faces the bottom surface of the first magnet. and the fourth coil is arranged to face the lower surface of the second-first magnet. The opposing 4-1 coil and the 4-2 coil facing the lower surface of the 2-2 magnet. , and a 4-3 coil facing the lower surface of the 2-3 magnet.

[0038] The first-1 magnet and the second-1 magnet are each , the first-third magnet, the second-second magnet, and the second-third magnet It can be made larger.

[0039] The number of turns of the 2-1 coil and the 4-1 coil is the coils, the second-third coil, the fourth-second coil and the fourth-third coil, It can be more than once.

[0040] The first elastic member is a first elastic member that connects an upper portion of the first housing and an upper portion of the first bobbin. The first upper elastic member includes a second elastic member, the second elastic member includes a plurality of wires, and the first upper elastic member includes a The member is a first upper member connecting one of the plurality of wires to the first coil. an elastic unit and a second upper elastic unit connecting the first coil and the first coil; a third coil connecting the first and second coils to another wire among the plurality of wires; An upper elastic unit may be included.

[0041] The third elastic member is a third elastic member that connects an upper portion of the second housing and an upper portion of the second bobbin. The fourth elastic member includes a plurality of wires, and the second upper elastic member includes a plurality of wires. The member is a first upper member connecting one of the plurality of wires to the 3-1 coil. an elastic unit and a second upper elastic unit connecting the 3-1 coil and the 3-2 coil; a third coil connecting the third-2 coil and another wire among the plurality of wires; An upper elastic unit may be included.

[0042] The first dummy member includes a groove formed on an inner surface thereof, and at least one of the third magnets A portion of the second dummy member is disposed in the groove of the first dummy member, and the second dummy member is formed on an inner surface thereof. At least a portion of the fourth magnet is aligned with the groove of the second dummy member. can be placed in

[0043] The first cover and the second cover are spaced apart, and the first surface of the first cover and the second surface of the second cover are spaced apart. The second surfaces of the covers may be arranged parallel to one another.

[0044] The weight of the first dummy member corresponds to the weight of the first magnet, and the weight of the second dummy member corresponds to the weight of the first magnet. The weight of the Mie member can correspond to the weight of the 2-1 magnet.

[0045] The first base includes a groove formed on an upper surface of the first base, and the first sensor , the first substrate is bonded to the lower surface of the first substrate and disposed in the groove of the first base, and the second base the second base includes a groove formed on an upper surface of the second base, and the second sensor is The second base may be disposed in the groove by being coupled to the lower surface of the second base.

[0046] a first terminal disposed on the first base and electrically connected to the first substrate; a second terminal disposed on the base and electrically connected to the second substrate; One end of the member is connected to the first elastic member by soldering, and the other end of the member is connected to the second elastic member by soldering. The other end of the fourth elastic member is connected to the first terminal by soldering, and one end of the fourth elastic member is The other end of the fourth elastic member is connected to the third elastic member by soldering. The second terminal can be connected by soldering.

[0047] The first sensor is disposed on the first base, and the second sensor is disposed on the second base. It can be placed on the base.

[0048] The first sensor is disposed in the first housing, and the second sensor is disposed in the 2 can be arranged in a housing.

[0049] A smartphone according to a first embodiment of the present invention may include the camera module. do.

[0050] The camera module according to the first embodiment of the present invention includes a first camera module and a second camera module. the first camera module includes a first base and a second camera module spaced apart from the first base. a first housing having a first bobbin disposed in the first housing; a first coil disposed in the first housing and facing the first coil; a first magnet and a second coil disposed on the first base and facing the first magnet; the second camera module includes a second base and a second lens spaced apart from the second base. a housing; a second bobbin disposed in the second housing; and a coil disposed on the second bobbin. a third coil disposed in the second housing and facing the third coil; a fourth coil disposed on the second base and facing the second magnet; and one of the first housing corners adjacent to the second camera module. A second dummy member is disposed at a corner, and the second housing includes the first camera model. The optical axis of the first camera module is connected to the optical axis of the second camera module by a virtual line. A second dummy member may be disposed on the opposite side to the dummy member.

[0051] The camera module according to the first embodiment of the present invention includes a first camera module and a second camera module. the first camera module includes a first cover, and the second camera module includes a The module includes a second cover, and the first cover has a first corner of the first cover and a front a second corner disposed on the opposite side of the first corner of the first cover; and a third corner and a fourth corner are disposed on the first camera module. a first magnet disposed at the second corner of the cover; and a third magnet disposed at the third corner of the first cover. a second magnet disposed at the fourth corner of the first cover; a third magnet, and the second cover is connected to the first corner of the second cover and the a second corner of the second cover disposed opposite the first corner, and the second camera module includes a third corner and a fourth corner where the second camera module is positioned; a fourth magnet disposed at the second corner of the bar; and a third magnet disposed at the second corner of the second cover. a fifth magnet disposed at the fourth corner of the second cover; 6 magnets, and the first magnet and the fourth magnet are two-pole magnetized magnets. The second magnet, the third magnet, the fifth magnet and the sixth magnet The magnet may be a four-pole magnet.

[0052] The lens driving device according to the second embodiment of the present invention comprises a base; a housing spaced apart from the base; a bobbin disposed within the housing; a magnet disposed within the housing; a first coil disposed on the bobbin and facing the magnet; and a second coil disposed on the base. a second coil facing the magnet, the magnet facing the first coil; the inner surface of the magnet includes a first region having a first polarity and the A second polarity opposite to the first polarity is disposed below the first region and spaced apart from the first region. a second region and a third region disposed between the first region and the second region, The area of ​​the first region of the net may be different from the area of ​​the second region of the magnet.

[0053] The bobbin includes a protrusion protruding from a side surface of the bobbin, and the first coil includes the a first portion disposed above the protruding portion of the bobbin; and a second portion disposed below the protruding portion of the bobbin. a second portion connected to the magnet and a third portion connecting the first portion and the second portion; The first region of the inner surface of the coil is in an initial position where no current is applied to the first coil. The second region faces the first portion of the first coil. It can be opposed to minutes.

[0054] The area of ​​the first region of the magnet is smaller than the area of ​​the second region of the magnet. It's cheap and good.

[0055] At the initial position, the upper end of the first portion of the first coil and the first region of the magnet The distance in the optical axis direction between the lower end of the first region of the first coil and the lower end of the first region of the first coil is 80% of the distance in the optical axis direction between the upper end and the lower end of the first portion of the first coil It could be more than that.

[0056] In the initial position, the first portion of the first coil is and the third region may overlap in a direction perpendicular to the optical axis.

[0057] In the initial position, the second portion of the first coil is in contact with the second region of the magnet. They can be overlapped in a direction perpendicular to the optical axis.

[0058] In the initial position, the third portion of the first coil is and the third region may overlap in a direction perpendicular to the optical axis.

[0059] The magnets include a first magnet and second and third magnets arranged on opposite sides of each other. The first coil includes a first-1 coil facing the second magnet, and the a first-second coil facing a third magnet, the second coil being a 2-1 coil facing the second magnet, a 2-2 coil facing the second magnet, and A second-third coil facing the third magnet may be included.

[0060] The lens driving device is a driver disposed on the housing opposite to the third magnet. It may include a Mie element.

[0061] The first magnet is a two-pole magnetized magnet, and the second and third magnets are four-pole magnetized magnets. It may be a magnetized magnet.

[0062] The lens driving device includes a fourth magnet disposed on the bobbin; a substrate on which the fourth magnet is mounted; and a sensor disposed on the substrate for detecting the fourth magnet, The second coil may be disposed on the substrate.

[0063] The length of the inner surface of the magnet in the long side direction is equal to the length of the first coil in the corresponding direction. The length of the magnet in the direction of the short side of the inner surface is longer than the length of the first coil. It may be longer than the length in the direction of rotation.

[0064] The length of the inner surface of the magnet in the long side direction is equal to the length of the second coil in the corresponding direction. It can be adjusted to the length.

[0065] A camera module according to a second embodiment of the present invention comprises a printed circuit board; an image sensor disposed on the substrate; and a lens driver disposed on the printed circuit board. and a lens coupled to the bobbin of the lens driver.

[0066] When a driving current in a first direction is applied to the first coil, the bobbin The first coil moves in the first stroke in the direction away from the sensor, and the first coil moves in the first direction When a driving current is applied in a second direction, the bobbin The first stroke moves in the second stroke in a direction approaching the second stroke. It's better if it's longer than 10cm.

[0067] A lens driving device according to a second embodiment of the present invention includes a housing; a bobbin disposed in the housing; a magnet disposed in the housing; a first coil facing the net; and a second coil facing the magnet, disposed under the magnet; a second coil facing the bobbin, the bobbin including a protrusion protruding from a side surface of the bobbin; The first coil has a first portion disposed on the protruding portion of the bobbin and a second portion disposed on the protruding portion of the bobbin. a second portion disposed below the protrusion; and a third portion connecting the first portion and the second portion. The magnet includes a first magnet portion including a north pole and a south pole, and the first magnet a second magnet part disposed under the first magnet part and including an N pole and an S pole; a neutral portion disposed between the first coil and the second magnet portion, and a first portion of the first coil In the initial position where no current is applied to the first coil, the first magnet portion and the neutral portion are connected to the optical They can be overlapped in a direction perpendicular to the axis. [Effects of the Invention]

[0068] In the first embodiment of the present invention, mutual interference between magnets in a dual OIS camera module is prevented. Interference can be minimized.

[0069] This allows the distance between the two camera modules to be minimized.

[0070] Through the second embodiment of the present invention, the linearity of the lens drive is maintained and the stroke range is increased. It is possible.

[0071] Furthermore, the size of the camera module including the lens driver can be minimized. . [Brief explanation of the drawings]

[0072] [Figure 1] 1 is a perspective view illustrating a portion of a dual camera module according to a first embodiment of the present invention; [Figure 2] FIG. 2 is a cross-sectional view taken along line AA in FIG. [Figure 3] FIG. 2 is a cross-sectional view taken along the line BB in FIG. [Figure 4A] FIG. 2 is a cross-sectional view taken along CC in FIG. [Figure 4B] FIG. 4B is a partially enlarged view of FIG. 4A. [Figure 5] FIG. 2 is a bottom view of a portion of the dual camera module of FIG. 1 viewed from below. [Figure 6] 2 is a perspective view illustrating a state in which a cover is removed from a portion of the dual camera module of FIG. 1. FIG. [Figure 7] FIG. 1 is an exploded perspective view illustrating a first lens driving device according to a first embodiment of the present invention. [Figure 8A] FIG. 2 is an exploded perspective view illustrating a part of the first lens driving device according to the first embodiment of the present invention. [Figure 8B] FIG. 2 is a bottom perspective view of the first lens driving device according to the first embodiment of the present invention, with some of the configuration omitted. [Figure 9] FIG. 2 is an exploded perspective view illustrating a part of the first lens driving device according to the first embodiment of the present invention. [Figure 10A]FIG. 2 is an exploded perspective view illustrating a part of the first lens driving device according to the first embodiment of the present invention. [Figure 10B] FIG. 2 is a bottom perspective view of the first lens driving device according to the first embodiment of the present invention, with some of the configuration omitted. [Figure 11] FIG. 2 is an exploded perspective view illustrating a second lens driving device according to the first embodiment of the present invention. [Figure 12] FIG. 2 is an exploded perspective view illustrating a part of the second lens driving device according to the first embodiment of the present invention. [Figure 13] FIG. 2 is an exploded perspective view illustrating a part of the second lens driving device according to the first embodiment of the present invention. [Figure 14] FIG. 2 is an exploded perspective view illustrating a part of the second lens driving device according to the first embodiment of the present invention. [Figure 15] 1 is a plan perspective view illustrating a portion of a dual camera module according to a first embodiment of the present invention. [Figure 16] 1 is a bottom view illustrating a portion of a dual camera module according to a first embodiment of the present invention. [Figure 17] 10 is a diagram illustrating a simulation result of magnetic field interference between magnets in a dual camera module according to a first embodiment of the present invention. [Figure 18] FIG. 10 is a perspective view of a lens driving device according to a second embodiment of the present invention. [Figure 19] FIG. 19 is a cross-sectional view taken along the line AA in FIG. 18. [Figure 20] FIG. 19 is a cross-sectional view taken along the line BB in FIG. [Figure 21] FIG. 19 is a cross-sectional view taken along CC in FIG. [Figure 22] FIG. 10 is a bottom view of a lens driving device according to a second embodiment of the present invention. [Figure 23] FIG. 19 is a perspective view of the lens driving device of FIG. 18 with the cover removed. [Figure 24] FIG. 10 is an exploded perspective view of a lens driving device according to a second embodiment of the present invention. [Figure 25] FIG. 10 is an exploded perspective view of a partial configuration of a lens driving device according to a second embodiment of the present invention. [Figure 26] FIG. 10 is an exploded perspective view of a partial configuration of a lens driving device according to a second embodiment of the present invention. [Figure 27] FIG. 10 is an exploded perspective view of a partial configuration of a lens driving device according to a second embodiment of the present invention. [Figure 28] FIG. 10 is a perspective view illustrating the arrangement of coils, magnets, and dummy members according to a second embodiment of the present invention. [Figure 29] FIG. 29 is a side view of the configuration of FIG. 28. [Figure 30] FIG. 10 is a side view of a coil and a magnet of a lens driving device according to a second embodiment of the present invention. [Figure 31] 10 is a graph illustrating a comparison of the driving linearity between a comparative example (a) and a second embodiment of the present invention (b). [Figure 32] FIG. 10 is an exploded perspective view of a camera module according to a second embodiment of the present invention. [Figure 33] FIG. 10 is a perspective view of an optical apparatus according to a second embodiment of the present invention. [Figure 34] FIG. 10 is a diagram illustrating the configuration of an optical device according to a second embodiment of the present invention. DETAILED DESCRIPTION OF THE INVENTION

[0073] DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

[0074] However, the technical idea of ​​the present invention is not limited to the described embodiments, and may be different from each other. The present invention can be embodied in various forms, and the embodiments and the accompanying drawings are intended to be illustrative and not restrictive. One or more of the components may be selectively combined or substituted.

[0075] Furthermore, terms (including technical and scientific terms) used in the embodiments of the present invention are expressly and specifically Unless otherwise defined and described, the present invention will be understood by those skilled in the art to which the present invention pertains. Commonly used terms, together with predefined terms, are interpreted as meanings that are understandable to the public. It should be possible to interpret the meaning of the relevant technology taking into account its contextual meaning.

[0076] Furthermore, the terms used in the embodiments of the present invention are intended to explain the embodiments and are not to be construed as limiting the scope of the present invention. It is not intended to limit

[0077] In this specification, the singular can include the plural unless the context clearly dictates otherwise, and includes "A and (and)" When "at least one of A, B, and C" is written, it means a combination of A, B, and C. The present invention may include one or more of any combination thereof.

[0078] In addition, in describing the components of the embodiment of the present invention, first, second, A, B, (a), (b) and other terms may be used. Such terms distinguish the component from another component. The term is used to distinguish between the essence, order, or sequence of the relevant components. However, it is not limited to the above.

[0079] And when one component is "linked," "coupled," or "connected" to another component When described, an element is directly "connected," "coupled," or "bonded" to another element. is not only when it is "connected" but also when there is a further connection between that component and another component. This may also include being "coupled," "coupled," or "connected" by other components. do.

[0080] It is also noted that the components are formed or placed "above (above)" or "below (below)" the components. When placed on a surface, "above" or "below" means that two components are directly connected to each other. Not only when two components come into contact with each other, but also when one or more additional components are formed or Also, when it is expressed as "above (above)" or "below (below)" , it can include not only the upward direction but also the downward direction based on one component.

[0081] The "optical axis (OA in Figure 23) direction" used below refers to the direction of the lens. It is defined as the direction of the optical axis of the lens and / or image sensor connected to the lens driver. On the other hand, the "optical axis direction" can correspond to the "up-down direction" or the "z-axis direction", etc.

[0082] The "autofocus function" used below refers to the process of capturing a clear image of the subject on the image sensor. The lens is moved along the optical axis according to the distance to the subject so that the image sensor This is defined as a function that automatically focuses on a subject by adjusting the distance between the subject and the camera. On the other hand, "autofocus" corresponds to "AF (Auto Focus)". It is also possible to use "Closed-Loop Autofocus Feedback (CLAF)" "Auto focus control" refers to the use of an automatic focus control to improve the accuracy of focus adjustment. Detects the distance between the image sensor and the lens and provides real-time feedback on the lens position. On the other hand, "closed loop autoforcing" is defined as a control that uses feedback. "CLAF" is often confused with "CLAF (closed-loop auto focus)." Furthermore, autofocus without feedback control can be called "open loop" This is called "OLAF (open-loop auto focus)." It is possible.

[0083] The "image stabilization function" used below is a function that allows the image sensor to capture a clear image of the subject. To prevent external forces, such as the movement and shaking of the lens caused by the user's hand, On the other hand, "image stabilization function" is defined as a function that moves the lens so that the S (Optical Image Stabilization) Cut.

[0084] The configuration of an optical device according to a first embodiment of the present invention will be described below.

[0085] Optical devices include mobile phones, smartphones, and portable communication devices. , portable smart devices, digital cameras, notebook computers computer), digital broadcasting terminal, PDA (Personal Digital Audio Assistants), PMP(Portable Multimedia Play However, the type of optical equipment is not limited to this. Optical equipment can also include any device for taking pictures or images. .

[0086] The optical device can include a body. The body can form the exterior of the optical device. The main body can accommodate a camera device. A display unit is located on one side of the main body. For example, a display unit and a camera device may be arranged on one surface of the main body. An additional camera device can be placed on the other side of the main body (the side opposite to the first side). On the other hand, the camera device disposed on the other side of the main body may include a dual camera module. This can be done.

[0087] The optical device may include a display unit. The display unit may be disposed on one surface of the main body. The display unit can output the image captured by the camera device. can be done.

[0088] The optical instrument may include a camera device. The camera device may be disposed on the body. The camera device can be at least partially housed inside the main body. The camera device can be provided in plural. The camera device is disposed on one side of the main body and on the other side of the main body. The camera device can capture an image of a subject. The camera device may include a dual camera module. may include:

[0089] The configuration of a dual camera module according to a first embodiment of the present invention will be described below with reference to the drawings. I will explain.

[0090] FIG. 1 is a perspective view illustrating a part of a dual camera module according to a first embodiment of the present invention. Figure 2 is a cross-sectional view seen from AA in Figure 1, and Figure 3 is a cross-sectional view seen from BB in Figure 1. 4A is a cross-sectional view seen from CC in FIG. 1, FIG. 4B is an enlarged view of a part of FIG. 4A, and FIG. Figure 6 is a bottom view of a part of the dual camera module in Figure 1. FIG. 7 is a perspective view illustrating a state in which a cover is removed from a part of the camera module of the present invention. 8A, 9, and 10 are exploded perspective views illustrating a first lens driving device according to a first embodiment. FIG. 1A is an exploded perspective view illustrating a part of a first lens driving device according to a first embodiment of the present invention; 8B and 10B show a partial configuration of the first lens driving device according to the first embodiment of the present invention. FIG. 11 is a bottom perspective view showing a second lens driving device according to a first embodiment of the present invention. 12 to 14 are exploded perspective views of the second lens driving device according to the first embodiment of the present invention. FIG. 15 is a partially exploded perspective view of a dual camera module according to a first embodiment of the present invention. FIG. 16 is a plan perspective view illustrating a part of a dual camera according to a first embodiment of the present invention. FIG. 17 is a bottom view illustrating a part of a dual-mode laser module according to a first embodiment of the present invention. This is a diagram showing the results of a simulation of magnetic field interference between magnets in a camera module. do.

[0091] The dual camera module may include a first camera module and a second camera module. The dual camera module has a first camera module and a second camera module. The first camera module and the second camera module may be disposed adjacent to each other. The modules can be spaced apart from each other. The first and second camera modules may be arranged adjacent to each other. The first and second camera modules can be arranged side by side. The modules can be arranged with one side facing each other. The side of the first camera module and the side of the second camera module are arranged parallel to each other. The optical axis of the first camera module and the optical axis of the second camera module are parallel to each other. In this embodiment, the first camera can be positioned so as to be shielded from the magnetic field interference prevention structure. The distance between the optical axis of the first camera module and the optical axis of the second camera module can be minimized. The first side wall of the first camera module faces the fifth side wall of the second camera module. It is possible to do so.

[0092] The first camera module may be smaller than the second camera module. The module may be larger than the second camera module. The module may be the same size as the second camera module. In this case, the first camera module The second camera module can be the same product.

[0093] The first camera module may include a first lens driving device 1000. The lens driving device 1000 is a voice coil motor (VCM). The first lens driving device 1000 may be a lens driving motor. The lens driving device 1000 can be a lens driving actuator. The lens driving device 1000 is a CLAF OIS actuator or a CLAF OIS motor. For example, the first lens driving device 1000 may include a lens, an image sensor, and a The state in which the image sensor and the printed circuit board are assembled is understood to be the first camera module. It can be done.

[0094] The first lens driving device 1000 may include a first cover 1100. 1100 can cover the first housing 1310. The first cover 1100 , can be coupled to the first base 1410. The first cover 1100 can be coupled to the first base 14 An internal space can be formed between the first cover 1100 and the first housing 10. The first cover 1100 can accommodate the first bobbin 1210. The first cover 1100 can be housed inside the first camera module. The first cover 1100 may have a hexahedral shape with an open bottom. The first cover 1100 may be made of a non-magnetic material. The first cover 1100 is made of a metal material. The first cover 1100 may be made of a metal plate. 1100 can be connected to the ground portion of the printed circuit board. The first cover 1100 can be grounded. The first cover 1100 can be used to reduce electromagnetic interference. Blocks EMI (electromagnetic interference) In this case, the first cover 1100 can be used as a "shield can" or an "EMI shield." It can be called "boom."

[0095] The first cover 1100 can include a top plate 1110. The first cover 1100 can include a side plate 1110. The first cover 1100 may include an upper plate 1110 and a plate 1120. Extending downward from the outer periphery or edge of The first cover 1100 may include a side plate 1120. The lower end of the side plate 1120 of the first cover 1100 is The side plate 11 of the first cover 1100 can be disposed on the step 1412 of the base 1410. The inner surface of 20 can be fixed to the first base 1410 by adhesive.

[0096] The first cover 1100 can include a plurality of side plates. The first cover may include a side panel and a plurality of corners formed by the plurality of side panels. The 1100 may include four side panels and four corners formed between the four side panels. The first cover 1100 includes a first side plate and a second side plate disposed on the opposite side of the first side plate. and a third side plate and a fourth side plate disposed on opposite sides of each other between the first side plate and the second side plate. The first cover 1100 can include first to fourth corners. -1100 is a cross section of the first corner and the second corner located on the opposite side of the first corner. The third and fourth corners may be located on opposite sides of the first corner. The corners of the bar 1100 may be referred to in various ways. For example, clockwise You can number it 1 to 4 clockwise, and number it 1 to 4 counterclockwise. You can add numbers 1 to 4 in a zigzag pattern, and you can add numbers 1 to 4 at will to make the first The first cover 1100 can be named from the top to the fourth corner. The "first to fourth" in this section can be understood as the division between the corners. .

[0097] The first cover 1100 may include a first surface facing the second camera module. In this case, the first surface of the first cover 1100 may be the outer surface of the first side plate of the first cover 1100. The first cover 1100 can be separated from the second cover 2100. The first surface of the second cover 2100 can be arranged parallel to the second surface of the second cover 2100. The first side plate of the first cover 1100 of the first camera module is connected to the second camera module. The first cover 1100 of the first camera module can be disposed adjacent to the first cover 1100. The first side plate is disposed adjacent to the first side plate of the second cover 2100 of the second camera module. The first side plate of the first cover 1100 of the first camera module can be placed on the second The first camera module can be mounted on the first side panel of the second cover 2100. The first side plate of the first cover 1100 of the module is connected to the second cover 21 of the second camera module. It can be arranged to be parallel to the first side plate of 00.

[0098] The first lens driving device 1000 can include a first mover 1200. The first mover 1200 can be coupled to the lens. The first mover 1200 is connected to the second mover 1300 via the first elastic member 15 00. The first mover 1200 can move by the interaction with the second mover 1300. At this time, the first mover 12 00 can move integrally with the lens. On the other hand, the first mover 1200 can move during AF driving . At this time, the first mover 1200 can be referred to as the "AF mover" . On the other hand, the first mover 1200 can move together with the second mover 1300 during OIS driving . The first mover 1200 can include a first bobbin 1210 and a first coil 122 0.

[0099] The first mover 1200 can include a first bobbin 1210. The first bobbin 1210 can be arranged inside the first housing 1310. The first bobbin 1210 can be movably coupled to the first housing 1310. The first bobbin 1210 can move in the optical axis direction with respect to the first housing 1310.

[0100] The first bobbin 1210 can include a hole 1211. The hole 1211 can be a hollow hole. A lens can be coupled to the hole 1211. Threads can be formed on the inner peripheral surface of the hole 1211 of the first bobbin 12 10. Or, the inner peripheral surface of the hole 1211 of the first bobbin 12 10 can be formed as a curved surface without threads. The first bobbin 1210 may include a first protrusion that is coupled to the first upper elastic member 1510. The first protrusion of the first bobbin 1210 is inserted into the corresponding hole of the first upper elastic member 1510. The first bobbin 1210 is connected to the first lower elastic member 1520. The second protrusion of the first bobbin 1210 may be a second protrusion that is mated with the first lower elastic portion. The first bobbin 1210 can be inserted into a corresponding hole in the material 1520 and coupled. The first bobbin 1210 may include a third protrusion on which the first coil 1220 is disposed. The third protrusion may be wound with a first coil 1220. The first bobbin 1210 may be wound with a third coil 1220. The first bobbin 1210 may include a groove 1213 in which a magnet 1230 is disposed. The third magnet 1230 can be inserted into the groove 1213 from below and coupled. The groove 1213 of the bobbin 1210 can be open downward. The first bobbin 1210 has a groove 1213 that can be opened to the outside. The first bobbin 1210 may include a hole passing through in the optical axis direction.

[0101] The first bobbin 1210 may include a stopper 1212. The stopper 1212 may be formed on the side of the first bobbin 1210. The stopper 1212 can protrude from the side of the bobbin 1210. The stopper 1212 can be disposed in the second groove 1313 of the first housing 1310. The stopper 1310 may be formed in a shape corresponding to the second groove 1313 of the stopper 1310. 1212 is locked to the first housing 1310 and rotates downward to the first bobbin 1210. It can be prevented.

[0102] The first bobbin 1210 includes a first upper elastic member 1510, a first lower elastic member 1520, and a first The coil 1220 and the third magnet 1230 are bonded to each other by adhesive. At this time, the adhesive can be applied by one or more of heat, laser, and ultraviolet (UV) light. It may be an epoxy that cures by

[0103] The first mover 1200 may include a first coil 1220. The first coil 1220 is disposed on the first bobbin 1210. The first coil 1220 may be disposed in contact with the first bobbin 1210. The first coil 1220 is disposed between the first bobbin 1210 and the first housing 1310. The first coil 1220 can be disposed around the outer periphery of the first bobbin 1210. The first coil 1220 can be wound in series around the first bobbin 1210. The first coil 1220 can face the first magnet 1320. , can electromagnetically interact with the first magnet 1320. When a current is supplied to form an electromagnetic field around the first coil 1220, the first coil 12 The first coil 1220 is rotated by the electromagnetic interaction between the first coil 1220 and the first magnet 1320. It is movable relative to the first magnet 1320 .

[0104] The first coil 1220 may include a plurality of coils. It can include a 1-1 coil 1221 and a 1-2 coil 1222. 221 can face the inner surface of the first-second magnet 1322. 1222 can face the inner surface of the first-third magnet 1323. The coil 1221 is disposed on a first side surface of the first bobbin 1210, and the first-second coil 1222 is , can be disposed on a second side opposite to the first side of the first bobbin 1210. Each of the first coil 1221 and the first-second coil 1222 has a ring shape, a donut shape, or In this case, the first coil 1221 and the second coil 1222 may be formed in an oval shape. Each of 1222 can be referred to as a "glasses coil."

[0105] The first mover 1200 may include a third magnet 1230. The third magnet 1230 can be a "sensing magnet." The third magnet 1230 can be placed in the bin 1210. The third magnet 1230 can be disposed adjacent to the first sensor 40. The third magnet 1230 may be arranged to face the first magnet 1440. The third magnet 1230 can be inserted downward into the groove of the bobbin 1210. The third magnet 1230 may be a magnetized magnet or a four-pole magnetized magnet. The bobbin 1210 is provided with a plurality of side surfaces, one of which is disposed on a side surface facing the first dummy member 1330. At least a part of the third magnet 1230 can be attached to the first dummy member 1330. It can be disposed in the groove 1331 .

[0106] The first lens driving device 1000 may include a second movable element 1300. 1300 is movably coupled to the first stator 1400 via the second elastic member 1600. The second movable element 1300 can support the first movable element 1200 via an elastic member. The second mover 1300 moves the first mover 1200 and The second mover 1300 can be moved together with the first stator 1400. The second movable element 1300 can move when the OIS is driven. In this case, the second movable element 1300 is called an "OIS movable element." can be done.

[0107] The second armature 1300 may include a first housing 1310. The first housing 1310 can be separated from the first base 1410. The first housing 1310 can be disposed within the first cover 1100. The first housing 13 can be disposed between the first bobbin 1100 and the first bobbin 1210. 10 can be disposed outside the first bobbin 1210. The first housing 13 can accommodate at least a portion of the first bobbin 1210. The first housing 10 may be made of a different material from the first cover 1100. The first housing 1310 may be formed of an insulating material. The first housing 1310 can be formed by attaching the side plate 1120 of the first cover 1100 to the housing 1310. and can be isolated.

[0108] The first housing 1310 may include a hole 1311. The hole 1311 may include: The hole 1311 may be a hollow hole. The hole 1311 may be a hole extending vertically in the center of the first housing 1310. The first housing 1310 has a hole 1311 through which the first bolt 1314 is inserted. The first housing 1310 may include a first upper elastic member. The first housing 1310 may include a first protrusion that is coupled to the first housing 1310. , can be inserted into the corresponding holes of the first upper elastic member 1510 and coupled. The housing 1310 may include a second protrusion that is coupled to the first lower elastic member 1520. The second protrusion of the first housing 1310 is inserted into a corresponding hole of the first lower elastic member 1520. The first housing 1310 can be inserted into and coupled to the second elastic member 1600. The second hole may include a second hole through which the

[0109] The first housing 1310 may include a first groove 1312. The first groove 1312 may include: The first housing 1 may be a "magnet accommodating groove" and / or a "dummy member accommodating groove." 310 is a first groove 131 in which a first magnet 1320 and a first dummy member 1330 are disposed. The first groove 1312 of the first housing 1310 may include a It may be a groove recessed from the underside of 310.

[0110] The first housing 1310 may include a second groove 1313. The second groove 1313 may include: The second groove 1313 may be a stopper receiving groove. The second groove 1313 can be formed by inserting a small hole in the stopper 1212 of the first bobbin 1210. When the first bobbin 1210 rotates with at least a part of the coil housed in the coil, the stroke of the first bobbin 1210 The upper 1212 may be formed to engage with the inner surface of the second groove 1313. The second groove 1313 faces the lower surface of the stopper 1212 of the first bobbin 1210 and is aligned with the optical axis. The first bobbin 1210 may include a bottom surface that overlaps the first bobbin 1210 in the downward direction. When the first bobbin 1210 is inserted, the stopper 1212 is engaged with the bottom surface of the second groove 1313. The downward stroke of the can be limited.

[0111] The first housing 1310 includes a first upper elastic member 1510, a first lower elastic member 1520, The first magnet 1320 and the first dummy member 1330 are bonded to each other by adhesive. The adhesive can be bonded by heat, laser, or ultraviolet (UV) light. It may be one or more curing epoxies.

[0112] The first housing 1310 has four sides and four corners disposed between the four sides. The first housing 1310 may include a side plate 112 of the first cover 1100. A first side portion is arranged to correspond to the first side plate of the 0, and a second side portion is arranged to correspond to the second side plate of the 0. a second side portion disposed to correspond to the third side plate; a third side portion disposed to correspond to the fourth side plate; The fourth side may be arranged such that

[0113] The second mover 1300 may include a first magnet 1320. 1320 may be a "drive magnet." The first magnet 1320 is attached to the first housing. The first magnet 1320 can be disposed on the first bobbin 1210. and the first housing 1310. The first magnet 1320 , can face the first coil 1220. The first magnet 1320 can face the first coil The first magnet 1320 can electromagnetically interact with the second coil 1220. The first magnet 1320 can be opposed to the second coil 1430. The first magnet 1320 is capable of magnetically interacting with the AF drive and the OIS drive. The first magnet 1320 can be used in common with the first housing 1310. In this case, the first magnet 1320 may be arranged at a corner. The first magnet 1320 may be a corner magnet whose area is larger than the outer surface of the opposite side. The remaining three corners of the first cover 1100 are the first corner and the second corner. can be placed at each of the

[0114] The first magnet 1320 may include multiple magnets. 320 can include three magnets. The first magnet 1320 is the first-1 The first-third magnets 1321, 1322, and 1323 may be included. The magnet 1321 is disposed at the second corner of the first cover 1100. The first-second magnet 1322 can be placed on the third magnet of the first cover 1100. The first to third magnets 1323 can be arranged in the first cover 1100. However, the magnets 1-1 to 1-3 can be placed at the fourth corner. 1321, 1322, and 1323 can be referred to as "first to third magnets." The "1st to 3rd" and "1-1st to 1-3rd" in front of the magnets indicate the magnets. This can be understood as a distinction between the two.

[0115] The first-1 magnet 1321 can be used to drive the OIS in the X direction. The first-second magnet 1322 and the first-third magnet 1323 are for the Y direction of AF and OIS. The first magnet 1321 can be used to drive the second coil 143. The first-2 magnet 1322 can face the second-1 coil 1431 of the first magnet 1322. The 1-1 coil 1221 of the first coil 1220 faces the 2-2 coil of the second coil 1430. The first-third magnet 1323 can face the first coil 1432. The first-second coil 1222 of the second coil 1430 faces the second-third coil 143 of the second coil 1430. It can be opposed to 3.

[0116] The first magnet 1321 may be a two-pole magnetized magnet. The first magnet 1321 can be a two-pole magnet. The first magnet 1321 has an inner and outer surface. It may be a two-pole magnet with different polarities. The outer surface of the first magnet 1321 may be a north pole and the outer surface of the first magnet 1321 may be a south pole. The inner surface of the net 1321 may be a south pole and the outer surface of the first magnet 1321 may be a north pole. However, in a variant, the first-first magnet 1321 can be a four-pole magnet. The net 1321 is formed by the first-second magnet 1322 and the first-third magnet 1323. The first-1 magnet 1321 can be formed larger than the first-2 magnet. The height of the magnet 1322 and the first to third magnets 1323 may be greater than that of the magnet 1322. The first-first magnet 1321 is connected to the first-second magnet 1322 and the first-third magnet 1323. 323 can be formed wider than each of the first magnets. The inner polarity of the magnet 1321 is the first-second magnet 1322 and the first-third magnet 132 When viewed from below, the inner polarity of the first magnet 1321 is , the same as the inner polarity of the first-second magnet 1322 and the first-third magnet 1323. The first-1 magnet 1321 may have the same polarity on the inside in the vertical direction. The first magnet 1321 and the second-first magnet 2321 may have the same inner polarity. The first-second magnet 1322 and the first-third magnet 1323 are four-pole magnetized magnets. It is possible.

[0117] The first-second magnet 1322 and the first-third magnet 1323 are four-pole magnets. The four-pole magnetized magnet can include a neutral part arranged horizontally in the center. Here, the neutral portion can be a gap. 1323 can be magnetized to the positive pole. 3, by magnetizing the positive pole, the AF electromagnetic force can be maximized. The magnet 1322 and the first to third magnets 1323 are each such that the upper part of the inner surface is in contact with the lower part of the inner surface and It can be a four-pole magnet with a different polarity from the upper part of the outer surface and the same polarity as the lower part of the outer surface. The upper part of the inner surface and the lower part of the outer surface of the magnet 1322 are N poles, and the inside of the first and second magnets 1322 The bottom of the surface and the top of the outer surface can be the south pole. The bottom of the inner surface and the top of the outer surface of the first-second magnet 1322 are S poles, and the bottom of the inner surface and the top of the outer surface of the first-second magnet 1322 are N poles. The upper part of the inner surface and the lower part of the outer surface of the first-third magnet 1323 are N poles, The lower part of the inner surface and the upper part of the outer surface of the magnet 1323 can be the south pole. The upper part of the inner surface of the magnet 1323 and the lower part of the outer surface are S poles, and the inner surface of the 1st-3rd magnet 1323 The bottom and top of the outer surface can be north poles. 1323, the polarity of the inside can be different in the up and down directions.

[0118] The second movable element 1300 may include a first dummy member 1330. 1330 is disposed at the first corner adjacent to the first surface of the first cover 1100 among the four corners. The weight of the first dummy member 1330 can be However, the first dummy member 1330 can correspond to the weight of the first-1 magnet. The first dummy member 1330 may have a weight smaller than that of the first dummy member 1321. The first dummy magnet 1321 may have a weight greater than that of the first-1 magnet 1321. The weight of the magnet 1330 is 80% to 100% of the weight of the magnet 1321. The weight of the first dummy member 1330 may be within 120% of the weight of the first dummy member 1321. If the value is below the lower limit or above the upper limit, the weight balance of the OIS drive unit will be lost. can be done.

[0119] The first dummy member 1330 may be made of a non-magnetic material. The magnetic strength of the first dummy member 1330 can be determined by the first-1 magnet. The magnetic strength of the first dummy member 1330 may be weaker than that of the first magnet 1321. The first dummy member 1 can be positioned on the opposite side of the base 1321 to align the center of gravity. 330 can be made of tungsten at a rate of 95% or more. 330 may be a tungsten alloy. As an example, the specific gravity of the first dummy member 1330 is The first dummy member 1330 is located at the center of the first housing 1310. It can be arranged at a position symmetrical to the first magnet 1321 with respect to the axis. In this case, the central axis of the first housing 1310 can correspond to the optical axis. The material 1330 has a thickness corresponding to the direction perpendicular to the optical axis and the first-first magnet 1321. It is possible.

[0120] The first dummy member 1330 may include a groove 1331. The groove 1331 may The groove 1331 may be formed on the inner surface of the magnet member 1330. The groove 1331 can be formed to be larger than 0. At least a portion of the total can be accommodated.

[0121] The first dummy member 1330 is a sixth mag- network member disposed at the seventh corner of the second cover 2100. The first dummy member 1330 can be adjacent to the first cover 1100. A first magnet is disposed at the corner, and a second magnet is disposed at the second corner of the second cover 2100. The fifth magnet and the sixth magnet arranged at the third corner of the second cover 2100 are the same. They can be arranged on a straight line. In this case, the straight line can be a virtual line. The imaginary line passes through the first optical axis of the first camera module and the second optical axis of the second camera module. The imaginary line can be parallel to the first optical axis and perpendicular to the first optical axis. It can be parallel to the direction toward the second optical axis.

[0122] The first dummy member 1330 is a first magnet arranged at a first corner of the first cover 1100. The sixth magnet is disposed between the net and the third corner of the second cover 2100. The first dummy member 1330 and the second dummy member 2330 are diagonally arranged. The weight of the first dummy member 1330 is The weight of the first dummy member 1330 may be the same as that of the first-1 magnet 321. The weight of the first dummy member 1330 and the weight of the third magnet 1321 may be approximately the same. The total weight of the first dummy magnet 230 may be equal to the weight of the first magnet 1321. The optical axis of the first camera module is connected to the optical axis of the second camera module by the optical axis connecting member 1330. The first dummy member 2330 may be disposed on the opposite side of the second dummy member 2330 with respect to the imaginary plane. The dummy member 1330 is arranged to align the optical axis of the first camera module with the optical axis of the second camera module when viewed from above. The second dummy member 2330 is disposed on the opposite side of the imaginary line connecting the optical axes of the lenses. The imaginary line connecting the first dummy member 1330 and the second dummy member 2330 is It can be disposed between the first bobbin 1210 and the second bobbin 2210.

[0123] The first lens driving device 1000 may include a first stator 1400. 1400 can be disposed below the first and second movers 1200 and 1300. The first stator 1400 can movably support the second mover 1300. The first movable element 1400 can move the second movable element 1300. At this time, the first movable element 12 00 can also move together with the second mover 1300.

[0124] The first stator 1400 may include a first base 1410. The first base 1410 can be disposed under the first housing 1310. The first base 1410 can be disposed under the first bobbin 1210. The first base 1410 can be spaced apart from the first bobbin 1310 and the first bobbin 1210. The first base 1410 can be disposed under the first substrate 1420. 00. The first base 1410 may be disposed on a printed circuit board. The first base 1410 is disposed between the first housing 1310 and the printed circuit board. can be placed in

[0125] The first base 1410 may include a hole 1411. The hole 1411 may The hole 1411 penetrates the first base 1410 in the optical axis direction. In the hole 1411, a first sensor 1440 and a third sensor 1445 are arranged. The hole 1411 can be connected to the first sensor 1440 and the third sensor 1444. 5. In a modified example, the holes 1411 may be formed in a size and number corresponding to the number of holes 1411. In this case, the groove is formed on the top surface of the first base 1410. It is possible.

[0126] The first base 1410 may include a step 1412. The step 1412 The step 1412 may be formed on the side of the first base 1410. The step 1412 may be formed on the circumferential surface. The step 1412 can be formed by extending the side plate 1120 of the first cover 1100. The lower end of the

[0127] The first base 1410 may include a first groove 1413. The first groove 1413 may be configured to receive a terminal The first groove 1413 may be formed on the side surface of the first base 1410. The terminal portion 1422 of the first substrate 1420 can be disposed in the first groove 1413. The first groove 1413 may be formed to have a width corresponding to the width of the first substrate 1420. The first grooves 1413 are formed on two opposite sides of the first base 1410. can be formed into

[0128] The first base 1410 can include a second groove 1414. The second groove 1414 can The second groove 1414 may be formed on the lower surface of the base 1410. Alternatively, the sensor base may be omitted or the first base 141 may be omitted. In the case where the sensor base is integrally formed with the sensor, the second groove 1414 The image sensor is disposed in the space formed between the front circuit board and the first base 1410. It is possible.

[0129] The first base 1410 may include a hollow hole. The hollow hole 410 can be formed in the center of the first base 1410 in the optical axis direction. The hollow hole can be formed between the lens and the image sensor. This can be done.

[0130] The first stator 1400 can include a first substrate 1420. The first substrate 1420 can include: The first substrate 1420 can be disposed on the first base 1410. The first substrate 1420 may be disposed on the top surface of the first housing 1310. The first substrate 1420 may be disposed between the first base 1410 and the second elastic portion 1421. The first substrate 1420 can be connected to the second coil 1430. The first substrate 1420 can be coupled to a substrate portion 1435. The first substrate 1420 can be coupled to the second coil 1430. The first substrate 1420 , can be coupled to a printed circuit board disposed below the first base 1410. The substrate 1420 is a flexible printed circuit board (FPCB). The first substrate 1420 may include an integrated circuit board (ICB). It can be folded in parts.

[0131] The first substrate 1420 may include a main body 1421. The main body 1421 may include a first base. The first substrate 1420 may be disposed on the upper surface of the base 1410. The first hole may be formed in the center. The first hole may be formed to allow the lens and image sensor to The first substrate 1420 may include a second hole. The second hole may penetrate the first substrate 1420 in a vertical direction. The wires of 1600 can pass through the second holes of the first substrate 1420. The plate 1420 may include a ground portion. The ground portion may be formed on the side of the main body portion 1421. The ground portion can be bent from the side of the first base 1410. The first cover 1100 is disposed in the side wall 1120 of the first cover 1100 and can be in contact with the inner surface of the side wall 1120 of the first cover 1100. Therefore, the first cover 1100 is electrically connected to the first substrate 1420 and is grounded. It is possible.

[0132] The first substrate 1420 can include a terminal portion 1422. The terminal portion 1422 can be connected to the main body portion The terminal portion 1422 can be bent downward and extend from the first substrate 14. The terminal portion 1 may be disposed on two opposite sides of the four sides of the terminal portion 20. A terminal may be disposed on the outer surface of 422. The terminal may include multiple terminals. The terminals of the first substrate 1420 are connected to the terminals of the printed circuit board by soldering. This can be done.

[0133] The first stator 1400 may include a second coil 1430. The second coil 1430 is disposed on the first base 1410. The second coil 1430 may be formed on the substrate portion 1435. The second coil 1430 may be disposed on the first substrate 1420. The second coil 1430 can face the first magnet 1320. In this case, the second coil 1430 can electromagnetically interact with the magnet 1320. When a current is supplied to the second coil 1430, a magnetic field is formed around the second coil 1430. Electromagnetic interaction between the magnet 130 and the first magnet 1320 causes the first magnet 132 The second coil 1430 can move relative to the first The first housing 1310 and the first bobbin 1320 are electrically connected by electromagnetic interaction with the magnet 1320. 1210 can be moved relative to the first base 1410 in a direction perpendicular to the optical axis. The second coil 1430 is a fine pattern coil (FP) formed integrally with the substrate portion 1435. coil, Fine Pattern coil).

[0134] The first substrate 1420 may include a second coil 1430. 30 may be one configuration of the first substrate 1420. However, the second coil 1430 may be one configuration of the first substrate 1420. It can be disposed on a substrate portion 1435 separate from 1420 .

[0135] The second coil 1430 can include multiple coils. The second coil 1430 includes the 2-1 to 2-3 coils 14 The second-first coil 1431 can include the first-first coil 1432, 1433. The second-second coil 1432 can face the lower surface of the magnet 1321. The second-third coil 1433 can face the lower surface of the magnet 1322. 3 can face the lower surface of the magnet 1323.

[0136] The number of turns of the 2-1 coil 1431 is the same as that of the 2-2 coil 1432 and the 2-3 coil The number of turns of the second-second coil 1432 may be greater than the number of turns of the first-second coil 1433. 2-3 corresponds to the number of turns of the coil 1433. During movement, X-axis movement is performed via the 2-1 coil 1431, and Y-axis movement is performed via the 2-2 coil 1432. This can be done through the coil 1432 and the second-third coil 1433. Now, to supplement the insufficient thrust in the X-axis direction, the turn (t The number of turns of the second-second coil 1432 and the second-third coil 1433 is made larger than the number of turns of the second-second coil 1432 and the second-third coil 1433. As an example, the number of turns of the 2-1 coil 1431 and the number of turns of the 2-2 and 2-3 coils can be The ratio of the number of turns of the coils 1432, 1433 can be 1.5:2.0 to 1:1. The number of turns of the first coil 1431 and the number of turns of the second-second and second-third coils 1432 and 1433 The ratio of numbers is ideally 1:1, but due to space constraints, it is arranged up to 1.5:2.0. It is possible.

[0137] The second coil 1430 may include a substrate portion 1435. The substrate portion 1435 may include a first The substrate portion 1435 can be disposed on the first substrate 1420. The substrate portion 1435 can be used to mount the first magnet 1320 and the first base 1410. Here, the substrate part 1435 may be disposed between the first substrate 1420 and a separate substrate. Although the structure is described as a substrate portion 1435, it is understood that the substrate portion 1435 is included in the first substrate 1420. It is possible.

[0138] The substrate portion 1435 may be a circuit board. The substrate portion 1435 may be an FPCB. 1435, the second coil 1430 is a fine pattern coil (FP coil, Fine The central portion of the substrate portion 1435 can be formed integrally with the substrate portion 1435. A first hole penetrating the substrate unit 1435 in the optical axis direction may be formed in the substrate unit 1435. The second hole 435 may be formed through which the second elastic member 1600 passes.

[0139] The first stator 1400 may include a first sensor 1440. 40 can be a "position sensor." The first sensor 1440 is attached to the first base 1410. The first sensor 1440 may be disposed in the first housing 1310. The first sensor 1440 can be arranged to sense the third magnet 1230. The first sensor 1440 is disposed at a position corresponding to the third magnet 1230. The first sensor 1440 can be bonded to the lower surface of the first substrate 1420. In a variant, the first sensor 1440 can be bonded to the top surface of the first substrate 1420. The first sensor 1440 is disposed in the hole 1411 of the first base 1410. The first sensor 1440 can be separated from the first housing 1310. The first sensor 1440 can be spaced apart from the first bobbin 1210. The third magnet 1440 can be overlapped with the third magnet 1230 in the optical axis direction. The first sensor 1440 is overlapped with the first dummy member 1330 in the optical axis direction. The first sensor 1440 is connected to the third magnet for AF feedback control. The first sensor 1440 can sense the position of the sensor 1230. The first sensor 1440 may be a Hall element or a Hall sensor. It can sense magnetic forces of 230.

[0140] The first stator 1400 may include a third sensor 1445. 45 can be disposed between the first base 1410 and the first substrate 1420. The sensor 1445 can sense the movement of the second mover 1300. 1445 senses the magnetic force of the first magnet 1320 and The movement of the magnet 1320 can be detected by the third sensor 1445. The detected value can be used for OIS feedback control. The third sensor 1445 can include two Hall sensors. The third sensor 1445 detects horizontal x-axis movement. The first Hall sensor detects the horizontal movement in the y-axis direction, and the second Hall sensor detects the horizontal movement in the y-axis direction. may include:

[0141] The first stator 1400 can include a first terminal 1450. The first terminal 1450 can be The first terminal 1450 may be disposed on the lower surface of the first base 1410. The first terminal 1450 can be disposed on a side surface of the first base 1410. That is, the first terminal 1450 is inserted into the first base 1410. The first terminal 1450 is electrically connected to the first substrate 1420. The length of the wire of the second elastic member 1600 can be adjusted via the first terminal 1450. More specifically, by reducing the overall height of the first camera module, Even if the distance between the first upper elastic member 1510 and the first substrate 1420 is reduced, the first terminal 1450 provides additional space, making it easier to connect wires to the first substrate 1420 than if the wires were connected to the first substrate 1420. When coupled to the first terminal 1450, the length of the wire can be increased. Although the overall height of the first camera module has been reduced, the length of the wire remains the same as before. In other words, if the length of the wire is the same as in the conventional method, the first camera The overall height of the module can be reduced.

[0142] The first lens driving device 1000 may include a first elastic member 1500. The member 1500 can connect the first housing 1310 and the first bobbin 1210. The first elastic member 1500 is coupled to the first bobbin 1210 and the first housing 1310. The first elastic member 1500 connects the first bobbin 1210 and the first housing 1310. The first elastic member 1500 can be elastically connected. At least a portion of the first elastic member 1500 is elastic. The first elastic member 1500 elastically prevents the movement of the first bobbin 1210 during AF driving. can be supported by.

[0143] The first elastic member 1500 may include a first upper elastic member 1510. The connector 1510 connects the upper part of the first housing 1310 and the upper part of the first bobbin 1210. The first upper elastic member 1510 is connected to the upper surface of the first bobbin 1210 and the first housing. The first upper elastic member 1510 may be coupled to the upper surface of the plate spring 1310. It can be formed by

[0144] The first upper elastic member 1510 electrically connects the first coil 1220 and the first substrate 1420. The first upper elastic member 1510 may include a plurality of upper elastic units. The first upper elastic member 1510 can include three upper elastic units. The upper elastic member 1510 includes first to third upper elastic units 1510a, 1510b, and 1510c. The first upper elastic unit 1510a may include one of the plurality of wires. The first upper elastic unit 1221 can be connected to the first wire 1221. 1510b can connect the first-1 coil 1221 and the first-2 coil 1222. The third upper elastic unit 1510c is made up of the first and second coils 1222 and a plurality of wires. One wire can be connected.

[0145] The first upper elastic member 1510 may include an inner portion 1511. The inner portion 1511 may include , can be coupled to the top of the first bobbin 1210. The inner portion 1511 can be coupled to the top of the first bobbin 1210. It may include a hole into which the first protrusion of 210 is inserted.

[0146] The first upper elastic member 1510 may include an outer portion 1512. The outer portion 1512 may include The outer portion 1512 can be coupled to the top of the first housing 1310. The first protrusion of the ring 1310 may include a hole into which the first protrusion is inserted.

[0147] The first upper elastic member 1510 may include a connecting portion 1513. The connecting portion 1513 The inner part 1511 and the outer part 1512 can be connected to each other. It can have.

[0148] The first upper elastic member 1510 may include a connecting portion 1514. The connecting portion 1514 may include a , can extend from the outer portion 1512 and be connected to the second elastic member 1600. The connecting portion 14 may include a hole through which the wire of the second elastic member 1600 passes. The solder balls connecting the wires to the connecting portion 1514 can be disposed on the upper surface of the connecting portion 1514. Cut.

[0149] The first elastic member 1500 may include a first lower elastic member 1520. The elastic member 1520 is connected to the lower part of the first bobbin 1210 and the lower part of the first housing 1310. The first lower elastic member 1520 is connected to the lower surface of the first bobbin 1210 and the first housing. The first lower elastic member 1520 may be coupled to the lower surface of the ring 1310. It can be formed by

[0150] The first lower elastic member 1520 may include an inner portion 1521. The inner portion 1521 may include , can be coupled to the bottom of the first bobbin 1210. The inner portion 1521 can be coupled to the bottom of the first bobbin 1210. The second projection 210 may include a hole into which the second projection 210 is inserted.

[0151] The first lower elastic member 1520 may include an outer portion 1522. The outer portion 1522 may include The outer portion 1522 can be coupled to the bottom of the first housing 1310. The second protrusion of the ring 1310 may include a hole into which the second protrusion is inserted.

[0152] The first lower elastic member 1520 may include a connecting portion 1523. The connecting portion 1523 may include: The inner part 1521 and the outer part 1522 can be connected. The connecting part 1523 has elasticity. It is possible.

[0153] The first lens driving device 1000 may include a second elastic member 1600. The member 1600 may be an "OIS support member." The second elastic member 1600 is a first upper elastic member. The connector 1510 is connected to the first substrate 1420, the substrate portion 1435, or the first terminal 1450. The second elastic member 1600 is connected to the upper surface of the first upper elastic member 1510 and the first terminal 1. 450. The second elastic member 1600 moves the first housing 1310. The second elastic member 1600 can support the first housing 1310 elastically. The second elastic member 1600 has elasticity at least in part. The second elastic member 1600 can move the first housing 1310 and the The second elastic member 1600 can elastically support the movement of the first bobbin 1210. The first substrate 1420 and the first elastic member 1500 can be connected. The first elastic member 1500 may include a wire. One end of the wire is soldered to the first elastic member 1500. The other end of the wire can be connected to the first terminal 1450 by soldering. They can be combined by

[0154] The second elastic member 1600 may include a plurality of wires. The upper elastic unit 1 may include four wires. 510a, 1510b, 1510c and four wires connecting the first substrate 1420 In a variant, the second elastic member 1600 can be formed of a leaf spring. Cut.

[0155] The first camera module may include a damper. The damper may include a second elastic member 1 The damper may be disposed in the second elastic member 1600 and the first housing 600. The damper may be disposed on the elastic member. The damper is disposed on the elastic member and / or the second elastic member 1600. Alternatively, the resonance phenomenon occurring in the second elastic member 1600 can be prevented.

[0156] The first camera module may include a printed circuit board. , PCB (printed circuit board). The board may be formed in a plate shape and may include an upper surface and a lower surface. The image sensor can be mounted on the top surface of the printed circuit board. The device may be arranged such that the printed circuit board is electrically connected to the image sensor. The printed circuit board may be electrically connected to the lens driving device. The printed circuit board is soldered to the terminals on the terminal section 1422 of the first substrate 1420. The printed circuit board may include terminals that are connected by soldering. A connector for connection to the outside may be disposed on the inner surface of the semiconductor substrate.

[0157] The first camera module may include an image sensor. , can be disposed on a printed circuit board. For example, the image sensor may be electrically connected to a printed circuit board (PCB). Surface Mounting Technology (SMT) In another example, the image sensor may be mounted on a printed circuit board. It can be bonded by flip chip technology. The image sensor can be arranged so that its optical axis coincides with that of the lens. The optical axis of the image sensor and the optical axis of the lens can be aligned. The sensor converts the light that falls on the active image area of ​​the image sensor into an electrical signal. The image sensor is a CCD (charge coupled device , charge-coupled device), MOS (metal oxide semi-conductor, It can be any of metal oxide semiconductors, CPDs and CIDs.

[0158] The first camera module may include a lens module. , can be coupled to the first bobbin 1210. The lens module can be The lens module can be screwed to the first bobbin 1210 by adhesive. The lens module is fixed to the barrel. The lens can include multiple lenses. The lens can include five lenses. Or it can include six lenses.

[0159] The first camera module may include a filter. The filter may include an infrared filter. The infrared filter can be used to filter out the mid-infrared wavelength band of light passing through the lens. Alternatively, an infrared filter can block mid-infrared light passing through the lens. The filter can absorb light in the linear wavelength band. The filter can be disposed on the first base 1410. Alternatively, the filter may be disposed between the first base 1410 and the printed circuit board. The sensor base can be disposed on the sensor base.

[0160] The second camera module may include a second lens driving device 2000. The driver 2000 is a voice coil motor (VCM). The second lens driving device 2000 may be a lens driving motor. The second lens driving device 2000 can be a lens driving actuator. The lens driving device 2000 is a CLAF OIS actuator or a CLAF OIS motor. For example, the second lens driving device 2000 may include a lens, an image sensor, and a The state where the image sensor and printed circuit board are assembled is understood to be the second camera module. It can be done.

[0161] The second lens driving device 2000 may include a second cover 2100. 2100 can cover the second housing 2310. The second cover 2100 , can be coupled to the second base 2410. The second cover 2100 can be coupled to the second base 24 The second cover 2100 can form an internal space between the second housing 10 and the second cover 2100. The second cover 2100 can accommodate the second bobbin 2210 therein. The second cover 2100 can be housed inside the second camera module. The second cover 2100 may have a hexahedral shape with an open bottom. The second cover 2100 may be made of a non-magnetic material. The second cover 2100 may be made of a metal material. The second cover 2100 may be made of a metal plate. The 2100 can be connected to the ground portion of the printed circuit board. The second cover 2100 can be grounded. Blocks EMI (electromagnetic interference) In this case, the second cover 2100 can be used as a "shield can" or an "EMI shield." It can be called "Rudukan".

[0162] The second cover 2100 can include an upper plate 2110. The second cover 2100 can include a side The second cover 2100 may include an upper plate 2110 and a plate 2120. Extending downward from the outer periphery or edge of The second cover 2100 may include a side plate 2120. The lower end of the side plate 2120 of the second cover 2100 is The side plate 21 of the second cover 2100 can be disposed on the step 2412 of the base 2410. The inner surface of 20 can be secured to the second base 2410 by adhesive.

[0163] The second cover 2100 can include a plurality of side plates. The second cover may include a side panel and a plurality of corners formed by the plurality of side panels. The 2100 may include four side panels and four corners formed between the four side panels. The second cover 2100 includes a first side plate and a second side plate disposed on the opposite side of the first side plate. and a third side plate and a fourth side plate disposed on opposite sides of each other between the first side plate and the second side plate. The second cover 2100 can include the first to fourth corners. -2100 is a cross section of the first corner and the second corner located on the opposite side of the first corner. The second corner may include a third and fourth corner that are located on opposite sides of the first corner. The corners of the bar 2100 may be referred to in a variety of ways. For example, clockwise You can number it 1 to 4 clockwise, and number it 1 to 4 counterclockwise. You can add numbers 1 to 4 in a zigzag pattern, and you can add numbers 1 to 4 at will to make the first The first cover 1100 can be named from the first corner to the fourth corner. To distinguish between the corners of the second cover 2100, "5th to 8th" are added in front of the corners. The corners of the second cover 2100 can be named the 5th corner to the 8th corner. The "1st to 8th" used before the corners is understood to be the division between the corners. It is possible.

[0164] The second cover 2100 may include a second surface facing the first camera module. At this time, the second surface of the second cover 2100 may be the outer surface of the first side plate of the second cover 2100. The second cover 2100 can be separated from the first cover 1100. The second surface of the second cover 2100 can be arranged parallel to the first surface of the first cover 1100. The first side plate of the second cover 2100 of the second camera module can be arranged adjacent to the first camera module. The first side plate of the second cover 2100 of the second camera module can be arranged adjacent to the first side plate of the first cover 1100 of the first camera module. The first side plate of the second cover 2100 of the second camera module can be arranged facing the first side plate of the first cover 1100 of the first camera module. The first side plate of the second cover 2100 of the second camera module can be arranged parallel to the first side plate of the first cover 1100 of the first camera module.

[0165] The second lens driving device 2000 may include a third mover 2200. The third mover 2200 can be coupled to the lens. The third mover 2200 can be connected to a fourth mover 2300 via a third elastic member 2500. The third mover 2200 can move by the interaction with the fourth mover 2300. At this time, the third mover 2200 can move integrally with the lens. On the other hand, the third mover 2200 can move during AF driving. At this time, the third mover 2200 can be referred to as an "AF mover". On the other hand, the third mover 2200 moves together with the fourth mover 2300 during OIS driving. ​​​​​​​​​​The third mover 2200 is connected to the second bobbin 2210 and the third coil 222. May contain 0.

[0166] The third armature 2200 may include a second bobbin 2210. The second bobbin 2210 can be disposed in the second housing 2310. The second bobbin 2210 can be movably coupled to the housing 2310. It can move in the direction of the optical axis relative to the housing 2310.

[0167] The second bobbin 2210 may include a hole 2211. The hole 2211 may be hollow. The hole 2211 can be a hole. A lens can be attached to the hole 2211. The inner circumferential surface of the hole 2211 may be formed with a spiral thread. The inner peripheral surface of the hole 2211 of the bottle 2210 can be formed as a curved surface without a spiral thread. The second bobbin 2210 may include a first protrusion that is coupled to the second upper elastic member 2510. The first protrusion of the second bobbin 2210 is inserted into the corresponding hole of the second upper elastic member 2510. The second bobbin 2210 can be inserted and coupled to the second lower elastic member 2520. The second bobbin 2210 may include a second protrusion that is coupled to the second lower elastic member. The second bobbin 2210 can be inserted into a corresponding hole in the member 2520 and coupled. The second bobbin 2210 may include a third protrusion on which the third coil 2220 is disposed. The third protrusion can be wound with a third coil 2220. The second bobbin 2210 can be wound with a third coil 2220. The second bobbin 2210 may include a groove in which the fourth magnet 2230 is disposed. The fourth magnet 2230 can be inserted and coupled to the second bobbin 221. The groove of the second bobbin 2210 may be open to the bottom. The second bobbin 2210 can be rotated in the optical axis direction instead of the groove. It may include a hole therethrough.

[0168] The second bobbin 2210 may include a stopper 2212. The stopper 2212 may be formed on the side of the second bobbin 2210. The stopper 2212 can protrude from the side of the bobbin 2210. The stopper 2212 can be disposed in the second groove 2313 of the second housing 2310. The stopper 2310 may be formed in a shape corresponding to the second groove 2313 of the stopper 2310. 2212 is engaged with the second housing 2310 and moves downwards to the second bobbin 2210. Rotation can be prevented.

[0169] The second bobbin 2210 includes a second upper elastic member 2510, a second lower elastic member 2520, and a third The coil 2220 and the fourth magnet 2230 are bonded to each other by adhesive. In this case, the adhesive can be applied by one or more of heat, laser, and ultraviolet (UV) rays. The epoxy may be cured by

[0170] The third mover 2200 may include a third coil 2220. The third coil 2220 is disposed on the second bobbin 2210. The third coil 2220 can be disposed in contact with the second bobbin 2210. The third coil 2220 is disposed between the second bobbin 2210 and the second housing 2310. The third coil 2220 can be disposed on the outer periphery of the second bobbin 2210. The third coil 2220 can be wound in series around the second bobbin 2210. The third coil 2220 can face the second magnet 2320. The third coil 2220 can electromagnetically interact with the second magnet 2320. When a current is supplied to the third coil 2220, an electromagnetic field is formed around the third coil 2220. 220 and the second magnet 2320, the third coil 222 0 can move relative to the second magnet 2320.

[0171] The third coil 2220 may include a plurality of coils. It can include a 3-1 coil 2221 and a 3-2 coil 2222. 221 can face the inner surface of the second-second magnet 2322. 2222 can face the inner surface of the second-third magnet 2323. The coil 2221 is disposed on the first side of the second bobbin 2210, and the third-second coil 2222 is , can be disposed on a second side opposite the first side of the second bobbin 2210. Each of the first coil 2221 and the third-second coil 2222 has a ring shape, a donut shape, or In this case, the 3-1 coil 2221 and the 3-2 coil Each of 2222 can be referred to as a "glasses coil."

[0172] The third movable element 2200 may include a fourth magnet 2230. The fourth magnet 2230 can be a "sensing magnet." The fourth magnet 2230 can be placed in the bin 2210. The fourth magnet 2230 can be disposed adjacent to the second sensor 40. The fourth magnet 2230 can be arranged to face the second magnet 2440. The fourth magnet 2230 can be inserted downward into the groove of the bobbin 2210. The fourth magnet 2230 may be a magnetized magnet or a four-pole magnetized magnet. The bobbin 2210 is provided with a plurality of side surfaces thereof, the side surface of which faces the second dummy member 2330. At least a part of the fourth magnet 2230 is It can be disposed in the groove 2331 .

[0173] The second lens driving device 2000 may include a fourth movable element 2300. 2300 is movably coupled to the second stator 2400 via a fourth elastic member 2600. The fourth movable element 2300 can support the third movable element 2200 via an elastic member. The fourth movable element 2300 moves the third movable element 2200 and The fourth movable element 2300 can be moved together with the second stator 2400. The fourth movable element 2300 can move when the OIS is driven. In this case, the fourth movable element 2300 may be called an "OIS movable element." can.

[0174] The fourth armature 2300 may include a second housing 2310. 2310 can be separated from the second base 2410. The second housing 2310 can be The second housing 2310 can be disposed within the second cover 2100. The second housing 23 may be disposed between the first bobbin 2100 and the second bobbin 2210. 10 can be disposed on the outside of the second bobbin 2210. The second housing 23 can accommodate at least a portion of the second bobbin 2210. The second housing 10 may be made of a different material from the second cover 2100. The second housing 2310 can be made of an insulating material. The second housing 2310 can be formed by attaching the side plate 212 of the second cover 2100. It can be separated from 0.

[0175] The second housing 2310 may include a hole 2311. The hole 2311 may include: The hole 2311 may be a hollow hole. The hole 2311 may be a hole extending vertically in the center of the second housing 2310. The hole 2311 of the second housing 2310 may be formed through the second bolt. The second housing 2310 may include a second upper elastic member. The first protrusion of the second housing 2310 may be connected to the first protrusion of the second housing 2310. , can be inserted into the corresponding holes of the second upper elastic member 2510 and coupled. The housing 2310 may include a second protrusion that couples with the second lower elastic member 2520. The second protrusion of the second housing 2310 is inserted into a corresponding hole of the second lower elastic member 2520. The second housing 2310 can be inserted into and coupled to the fourth elastic member 2600. The second hole may include a second hole through which the

[0176] The second housing 2310 may include a first groove 2312. The first groove 2312 may include: The second housing 2 may be a "magnet accommodating groove" and / or a "dummy member accommodating groove." 310 is a first groove 231 in which a second magnet 2320 and a second dummy member 2330 are disposed. The first groove 2312 of the second housing 2310 may include a It may be a groove recessed from the underside of 310.

[0177] The second housing 2310 may include a second groove 2313. The second groove 2313 may include: The second groove 2313 may be a stopper receiving groove. The second groove 2313 can be formed by inserting a small hole in the stopper 2212 of the second bobbin 2210. When the second bobbin 2210 rotates with at least a part of the second bobbin 2210 accommodated, the stroke of the second bobbin 2210 The upper 2212 can be formed to engage with the inner surface of the second groove 2313. The second groove 2313 faces the lower surface of the stopper 2212 of the second bobbin 2210 and is aligned with the optical axis. The second bobbin 2210 may include a bottom surface that overlaps the first bobbin 2210 in the direction of the arrow. When the second bobbin 2210 is rotated, the stopper 2212 is engaged with the bottom surface of the second groove 2313, and the second bobbin 2210 is rotated. The downstroke can be limited.

[0178] The second housing 2310 includes a second upper elastic member 2510, a second lower elastic member 2520, The second magnet 2320 and the second dummy member 2330 are attached to each other by adhesive. The adhesive can be bonded by heat, laser, or ultraviolet (UV) light. It may be one or more curing epoxies.

[0179] The second housing 2310 has four sides and four corners disposed between the four sides. The second housing 2310 may include a side plate 21 of the second cover 2100. A first side portion is arranged to correspond to the first side plate of 20, and a second side portion is arranged to correspond to the second side plate. a second side portion disposed to correspond to the third side plate; a third side portion disposed to correspond to the fourth side plate; The fourth side may be arranged to

[0180] The fourth movable element 2300 may include a second magnet 2320. 2320 can be a "drive magnet." The second magnet 2320 is attached to the second housing. The second magnet 2320 can be disposed on the second bobbin 2210. and the second housing 2310. The second magnet 2320 , can face the third coil 2220. The second magnet 2320 can face the third coil The second magnet 2320 can electromagnetically interact with the fourth coil 2220. The second magnet 2320 can be opposed to the fourth coil 2430. The second magnet 2320 is capable of magnetically interacting with the AF drive and the OIS drive. The second magnet 2320 can be used in common with the second housing 2310. In this case, the second magnet 2320 may be arranged at the corner. The second magnet 2320 may be a corner magnet with an area larger than the outer surface of the opposite side. are the remaining three corners of the four corners of the second cover 2100 excluding the first corner. can be placed at each of the

[0181] The second magnet 2320 may include multiple magnets. 320 can include three magnets. The second magnet 2320 is the second-1 2-1 to 2-3 magnets 2321, 2322, and 2323. The magnet 2321 is attached to the second corner of the second cover 2100. The second-2 magnet 2322 can be arranged on the third cover 2100. The second and third magnets 2323 can be disposed on the second cover 2100. However, in the following, the 2-1st to 2-3rd magnets can be placed at the 4th corner of the Magnets 2321, 2322, and 2323 are referred to as "1st to 3rd magnets" or "4th to 6th magnets." In other words, the numbers "1st to 6th" and " "No. 2-1 to No. 2-3" can be understood as a distinction between the magnets. Cut.

[0182] The second-first magnet 2321 can be used to drive the OIS in the X direction. The 2-2 magnet 2322 and the 2-3 magnet 2323 are the magnets for the Y direction of AF and OIS. The second-first magnet 2321 can be used to drive the fourth coil 243. The 2-2 magnet 2322 can face the 4-1 coil 2431 of The 3-1 coil 2221 of the third coil 2220 faces the 4-2 coil of the fourth coil 2430. The second-third magnet 2323 can face the third coil 2432. 220 and the 3-2 coil 2222 of the 4th coil 2430. It can be opposed to 3.

[0183] The second-first magnet 2321 may be a two-pole magnetized magnet. The second-first magnet 2321 can be a two-pole magnet. The second-first magnet 2321 has an inner and outer surface. It can be a two-pole magnet with different polarities. The outer surface of the second-first magnet 2321 may be a north pole and the outer surface of the second-first magnet 2321 may be a south pole. The inner surface of the net 2321 may be a south pole and the outer surface of the second-first magnet 2321 may be a north pole. However, in a modified example, the 2-1 magnet 2321 can be a four-pole magnet. The magnet 2321 is a second magnet 2322 and a second magnet 2323. The second-first magnet 2321 can be formed larger than the second-second magnet. The height of the magnet 2322 and the second and third magnets 2323 can be made larger than that of the magnet 2322. The 2-1 magnet 2321 is connected to the 2-2 magnet 2322 and the 2-3 magnet 2323 can be formed wider than each other. When viewed from above, the 2nd-1st magnet The inner polarity of the net 2321 is the second magnet 2322 and the second magnet 2323. When viewed from below, the inner polarity of the second-first magnet 2321 may be different from that of the first magnet 23. is the same as the inner polarity of the 2-2 magnet 2322 and the 2-3 magnet 2323. The 2-1st magnet 2321 may have the same polarity on the inside in the vertical direction.

[0184] The 2-2 magnet 2322 and the 2-3 magnet 2323 are 4-pole magnetized magnets. The 2-2 magnet 2322 and the 2-3 magnet 2323 are 4-pole magnets. The four-pole magnetized magnet may include a neutral portion arranged horizontally in the center. Here, the neutral portion can be a gap. The magnet 2323 can be magnetized in the positive polarity. By magnetizing the positive pole of the magnet 2323, the AF electromagnetic force can be maximized. The upper part of the inner surface of each of the -2 magnet 2322 and the 2-3 magnet 2323 is The polarity of the outer surface may be different from that of the upper part and the outer surface, and the polarity of the lower part of the outer surface may be the same as that of the four-pole magnet. The upper part of the inner surface of the 2-2 magnet 2322 and the lower part of the outer surface are north poles. The lower part of the inner surface and the upper part of the outer surface of the second magnet 2322 can be the south pole. The upper part of the inner surface and the lower part of the outer surface are S poles, and the lower part of the inner surface and the upper part of the outer surface of the 2-2 magnet 2322 are S poles. The upper part of the inner surface and the lower part of the outer surface of the second-third magnet 2323 are N poles, The lower part of the inner surface and the upper part of the outer surface of the second-third magnet 2323 can be a south pole. The upper inner surface of the third magnet 2323 and the lower outer surface are south poles, and the second-third magnet 2323 The lower part of the inner surface and the upper part of the outer surface of the second-second magnet 2322 can be a north pole. The magnet 2323 may have different inner polarities in the vertical direction.

[0185] The fourth movable element 2300 may include a second dummy member 2330. 2330 is disposed at the first corner adjacent to the first surface of the four corners of the second cover 2100. The weight of the second dummy member 2330 can be However, the second dummy member 2330 can correspond to the weight of the 2-1 magnet. The second dummy member 2330 may have a weight smaller than that of the second dummy member 2321. The second dummy magnet 2321 may have a weight greater than that of the second-1 magnet 2321. The weight of the magnet 2330 is 80% to 100% of the weight of the magnet 2321. The weight of the second dummy member 2330 may be within 120% of the weight of the first dummy member 2321. If the value is below the lower limit or above the upper limit, the weight balance of the OIS drive unit may be lost. can.

[0186] The second dummy member 2330 may be made of a non-magnetic material. The magnetic strength of the second dummy member 2330 can be determined by the magnetic field strength of the second dummy member 2330. The magnetic strength of the second dummy member 2330 may be weaker than that of the second-1 magnet. The second dummy member 2321 can be positioned on the opposite side of the second dummy member 2321 to align the center of gravity. 330 can be made of tungsten at a rate of 95% or more. 330 may be a tungsten alloy. As an example, the specific gravity of the second dummy member 2330 is The second dummy member 2330 may be located in the second housing 2310. The second magnet 2321 may be disposed at a position symmetrical to the first magnet 2321 with respect to the central axis. At this time, the central axis of the second housing 2310 can correspond to the optical axis. The member 2330 has a thickness corresponding to the direction perpendicular to the optical axis and the 2-1st magnet 2321. It is possible.

[0187] The second dummy member 2330 may include a groove 2331. The groove 2331 may The groove 2331 may be formed on the inner surface of the magnet member 2330. The groove 2331 can be formed to be larger than 0. At least a portion of the total can be accommodated.

[0188] The second dummy member 2330 is a third magnet that is disposed at a third corner of the first cover 1100. The second dummy member 2330 can be adjacent to the net. A second magnet is disposed at the corner, and a third magnet is disposed at the third corner of the first cover 1100. The third magnet and the fourth magnet disposed at the first corner of the second cover 2100 are the same. They can be arranged on a straight line. In this case, the straight line can be a virtual line. The imaginary line passes through the first optical axis of the first camera module and the second optical axis of the second camera module. The imaginary line can be parallel to the first optical axis and perpendicular to the first optical axis. It can be parallel to the direction toward the second optical axis.

[0189] The second dummy member 2330 is a third magnet that is disposed at a third corner of the first cover 1100. The fourth magnet is disposed between the net and the first corner of the second cover 2100. It can be done.

[0190] The weight of the second dummy member 2330 may be the same as the weight of the second-1 magnet 2321. The weight of the second dummy member 2330 is approximately the same as the weight of the 2-1 magnet 2321. The total weight of the second dummy member 2330 and the fourth magnet 2230 is -1 magnet 2321.

[0191] The second dummy member 2330 is provided to align the optical axis of the first camera module with the optical axis of the second camera module. The first dummy member 1330 may be disposed on the opposite side of the imaginary plane connecting the shafts. When viewed from above, the second dummy member 2330 is aligned with the optical axis of the first camera module and the optical axis of the second camera module. On the opposite side of the first dummy member 1330 with respect to the imaginary line connecting the optical axes of the camera modules can be arranged.

[0192] The second lens driving device 2000 may include a second stator 2400. 2400 may be disposed below the third and fourth movers 2200 and 2300. The second stator 2400 can movably support the fourth mover 2300. The third movable element 22 can move the fourth movable element 2300. 00 can also move together with the fourth movable element 2300.

[0193] The second stator 2400 may include a second base 2410. The second base 2410 can be disposed below the second housing 2310. The second base 2410 can be disposed under the second bobbin 2210. The second base 2410 can be spaced apart from the first bobbin 2310 and the second bobbin 2210. The second base 2410 can be disposed under the second substrate 2420. 00. The second base 2410 may be disposed on a printed circuit board. The second base 2410 is disposed between the second housing 2310 and the printed circuit board. can be placed in

[0194] The second base 2410 may include a hole 2411. The hole 2411 may The hole 2411 penetrates the second base 2410 in the optical axis direction. In the hole 2411, a second sensor 2440 and a fourth sensor 2445 are arranged. The hole 2411 can be connected to the second sensor 2440 and the fourth sensor 2444. 5. In a modified example, the holes 2411 may be formed as grooves. In this case, the grooves can be formed on the upper surface of the second base 2410. This can be done.

[0195] The second base 2410 may include a step 2412. The step 2412 The step 2412 can be formed on the side of the second base 2410. The step 2412 may be formed on the circumferential surface. The step 2412 can be formed by extending the side plate 2120 of the second cover 2100. The lower end of the

[0196] The second base 2410 may include a first groove 2413. The first groove 2413 may be formed to accommodate a terminal The first groove 2413 may be formed on the side surface of the second base 2410. The terminal portion 2422 of the second substrate 2420 can be disposed in the first groove 2413. The first groove 2413 may be formed to have a width corresponding to the width of the second substrate 2420. The first grooves 2413 are formed on two opposite side surfaces of the second base 2410. can be formed into

[0197] The second base 2410 can include a second groove 2414. The second groove 2414 can The second groove 2414 may be formed on the lower surface of the base 2410. Alternatively, the sensor base may be omitted or a second base 241 may be used. In a structure in which the sensor base is integrally formed with the sensor, the second groove 2414 The image sensor is disposed in the space formed between the front circuit board and the second base 2410. It is possible.

[0198] The second base 2410 may include a hollow hole. The hollow hole can be formed in the center of the second base 2410 in the optical axis direction. The hollow hole can be formed between the lens and the image sensor. This can be done.

[0199] The second stator 2400 can include a second substrate 2420. The second substrate 2420 can include: The second substrate 2420 can be disposed on the second base 2410. The second substrate 2420 may be disposed on the top surface of the second housing 2310. The second substrate 2420 may be disposed between the second base 2410. The second substrate 2420 may include a fourth elastic portion. The second substrate 2420 can be connected to the fourth coil 2430. The second substrate 2420 can be coupled to the substrate portion 2435. The second substrate 2420 can be coupled to the fourth coil 2430. The second substrate 2420 , can be coupled to a printed circuit board disposed on the underside of the second base 2410. 2. The board 2420 is a flexible printed circuit board (FPCB). The second substrate 2420 may include an integrated circuit board. It can be folded in parts.

[0200] The second substrate 2420 may include a main body portion 2421. The main body portion 2421 may be a The second substrate 2420 can be disposed on the upper surface of the base 2410. The first hole may be formed in the center. The first hole may be formed to allow the lens and image sensor to The second substrate 2420 may include a second hole. The second hole may penetrate the second substrate 2420 in a vertical direction. The wires of 2600 can pass through the second holes of the second substrate 2420. The plate 2420 may include a ground portion. The ground portion may be disposed on the side of the main body portion 2421. The ground portion can be bent from the side of the second base 2410. The cover 2100 is disposed in a position such that it can come into contact with the inner surface of the side plate 2120 of the second cover 2100. Therefore, the second cover 2100 is electrically connected to the second substrate 2420 and is grounded. It is possible.

[0201] The second substrate 2420 can include a terminal portion 2422. The terminal portion 2422 is The terminal portion 2422 can be bent downward and extend from the second substrate 24 The terminal portion 2 may be disposed on two opposite sides of the four sides of the terminal portion 20. A terminal may be disposed on the outer surface of 422. The terminal may include multiple terminals. The terminals of the second substrate 2420 are connected to the terminals of the printed circuit board by soldering. It is possible.

[0202] The second stator 2400 may include a fourth coil 2430. The fourth coil 2430 is disposed on the second base 2410. The fourth coil 2430 can be formed on the substrate portion 2435. The fourth coil 2430 may be disposed on the second substrate 2420. The fourth coil 2430 can face the second magnet 2320. In this case, the fourth coil 2430 can electromagnetically interact with the magnet 2320. When a current is supplied to the fourth coil 2430 to form a magnetic field around the fourth coil 2430, Electromagnetic interaction between the magnet 230 and the second magnet 2320 causes the second magnet 232 The fourth coil 2430 can move relative to the second master coil 2430. The second housing 2310 and the second bobbin 2320 are connected by electromagnetic interaction with the magnet 2320. 2210 can be moved relative to the second base 2410 in a direction perpendicular to the optical axis. The fourth coil 2430 is a fine pattern coil (FP) formed integrally with the substrate portion 2435. coil, Fine Pattern coil).

[0203] The second substrate 2420 may include a fourth coil 2430. 30 may be one configuration of the second substrate 2420. However, the fourth coil 2430 may be one configuration of the second substrate 2420. It can be disposed on a substrate portion 2435 separate from 2420 .

[0204] The fourth coil 2430 can include multiple coils. The fourth coil 2430 includes four coils, namely, the 4-1 coil, the 4-2 coil, the 4-3 coil, and the 4-4 coil. The fourth-first coil 2431 can include the second-first coil 431, the third-first coil 2432, and the fourth-first coil 2433. The 4-2 coil 2432 can face the lower surface of the magnet 2321. The 4-3 coil 2433 can face the lower surface of the 2-2 magnet 2322. -3 It can face the lower surface of the magnet 2323.

[0205] The number of turns of the 4-1 coil 2431 is the same as that of the 4-2 coil 2432 and the 4-3 coil The number of turns of the 4-2 coil 2432 may be greater than the number of turns of the 4-2 coil 2433. The number of turns of the 4-3 coil 2433 can be determined by the number of turns of the 4-1 to 4-3 coils. Each of the shapes 2431, 2432, and 2433 may include a trapezoidal shape. The length of the upper side of the coil 2431 is the length of the corresponding coil 4-2 2432 and the corresponding coil 4-3 2433. The length of the bottom side of the 4-1 coil 2431 may be longer than the length of the top side of the 4-2 coil. The length of the lower side of the coil 2432 and the lower side of the coil 4-3 may be longer than the length of the lower side of the coil 2433. When the OIS is driven, the X-axis movement is performed via the 4-1 coil 2431, and the Y-axis movement is performed via the 4-2 coil 2432. can be performed via the 4-2 coil 2432 and the 4-3 coil 2433. In this embodiment, in order to supplement the insufficient thrust in the X-axis direction, the 4-1 coil 2431 The number of turns of the 4-2 coil 2432 and the 4-3 coil 2433 For example, the number of turns of the 4-1 coil 2431 and the number of turns of the 4-2 and The ratio of the number of turns of the 4-3 coils 2432 and 2433 is 1.5:2.0 to 1:1. The number of turns of the 4-1 coil 2431 and the number of turns of the 4-2 and 4-3 coils 2432, 2 The ratio of the number of turns in 433 is ideally 1:1, but due to space constraints it is 1.5:2. Can be placed up to .0.

[0206] The fourth coil 2430 may include a substrate portion 2435. The substrate portion 2435 may include a second The substrate portion 2435 can be disposed on the base 2410. The substrate portion 2435 can be used to mount the second magnet 2320 and the second base 2410. Here, the substrate part 2435 may be disposed between the second substrate 2420 and a separate substrate. Although the substrate portion 2435 is described as a structure, it is understood that the substrate portion 2435 is a structure included in the second substrate 2420. It can be done.

[0207] The substrate portion 2435 may be a circuit board. The substrate portion 2435 may be an FPCB. The fourth coil 2430 is a fine pattern coil (FP coil, Fin The substrate portion 2435 can be integrally formed with a pattern coil. A first hole may be formed in the center portion, penetrating the substrate portion 2435 in the optical axis direction. The portion 2435 may have a second hole through which the fourth elastic member 2600 passes. .

[0208] The second stator 2400 may include a second sensor 2440. 40 may be a "position sensor." The second sensor 2440 is attached to the second base 2410. The second sensor 2440 may be disposed in the second housing 2310. The second sensor 2440 can be arranged to sense the fourth magnet 2230. The second sensor 24402 is located at a position corresponding to the fourth magnet 2230. The second sensor 2440 is bonded to the lower surface of the second substrate 2420. In a variant, the second sensor 2440 is bonded to the top surface of the second substrate 2420. The second sensor 2440 is disposed in the hole 2411 of the second base 2410. The second sensor 2440 can be spaced apart from the second housing 2310. The second sensor 2440 can be spaced apart from the second bobbin 2210. The sensor 2440 can be overlapped with the fourth magnet 2230 in the optical axis direction. The second sensor 2440 overlaps with the second dummy member 2330 in the optical axis direction. The second sensor 2440 can be used as a fourth magnet for AF feedback control. The second sensor 2440 can sense the position of the net 2230. The second sensor 2440 may be a Hall element or a Hall sensor. It can sense magnetic forces of 2230.

[0209] The second stator 2400 may include a fourth sensor 2445. 45 can be disposed between the second base 2410 and the second substrate 2420. The sensor 2445 can sense the movement of the fourth mover 2300. 2445 senses the magnetic force of the second magnet 2320 and The movement of the second magnet 2320 can be sensed by the fourth sensor 2445. The detected value can be used for OIS feedback control. The fourth sensor 2445 may include two Hall sensors. The fourth sensor 2445 detects horizontal x-axis movement. The first Hall sensor detects the horizontal movement in the y-axis direction, and the second Hall sensor detects the horizontal movement in the y-axis direction. It can include.

[0210] The second stator 2400 can include a second terminal 2450. The second terminal 2450 can be The second terminal 2450 may be disposed on the bottom surface of the second base 2410. The second terminal 2450 can be disposed on a side of the second base 2410. That is, the second terminal 2450 can be inserted into the second base 2410. The second terminal 2450 is electrically connected to the second substrate 2420. The length of the wire of the fourth elastic member 2600 can be adjusted via the second terminal 2450. More specifically, by reducing the overall height of the first camera module, Even if the distance between the second upper elastic member 2510 and the second substrate 2420 is reduced, the second terminal 2 450 provides additional space, so that the wires can be connected to the second substrate 2420 more easily than if the wires were connected to the second substrate 2420. When coupled to the terminal 2450, the length of the wire can be increased. Even though the overall height of the second camera module has been reduced, the wire length remains the same as before. In other words, if the length of the wire is the same as in the conventional method, the second camera module can be This allows the overall height of the module to be reduced.

[0211] The second lens driving device 2000 may include a third elastic member 2500. The member 2500 can connect the second housing 2310 and the second bobbin 2210. The third elastic member 2500 is coupled to the second bobbin 2210 and the second housing 2310. The third elastic member 2500 connects the second bobbin 2210 and the second housing 2310. The third elastic member 2500 can be elastically connected. The third elastic member 2500 elastically prevents the movement of the second bobbin 2210 during AF driving. can be supported effectively.

[0212] The third elastic member 2500 may include a second upper elastic member 2510. The connector 2510 connects the upper part of the second housing 2310 and the upper part of the second bobbin 2210. The second upper elastic member 2510 is connected to the upper surface of the second bobbin 2210 and the second housing. The second upper elastic member 2510 can be coupled to the upper surface of the plate spring 2310. It can be formed by

[0213] The second upper elastic member 2510 electrically connects the third coil 2220 and the second substrate 2420. The second upper elastic member 2510 may include a plurality of upper elastic units. The second upper elastic member 2510 can include three upper elastic units. The upper elastic member 2510 includes first to third upper elastic units 2510a, 2510b, and The first upper elastic unit 2510a may include one of the plurality of wires. The wire can be connected to the 3-1 coil 2221. 2510b can connect the 3-1 coil 2221 and the 3-2 coil 2222. The third upper elastic unit 2510c includes the 3-2 coil 2222 and a plurality of wires. One wire can be connected.

[0214] The second upper elastic member 2510 may include an inner portion 2511. The inner portion 2511 may include , can be coupled to the top of the second bobbin 2210. The inner portion 2511 can be coupled to the top of the second bobbin 2210. It may include a hole into which the first protrusion of 210 is inserted.

[0215] The second upper elastic member 2510 can include an outer portion 2512. The outer portion 2512 can be The outer portion 2512 can be coupled to the top of the second housing 2310. The first protrusion of the ring 2310 may include a hole into which the first protrusion is inserted.

[0216] The second upper elastic member 2510 may include a connecting portion 2513. The connecting portion 2513 may include a The inner part 2511 and the outer part 2512 can be connected to each other. It can have.

[0217] The second upper elastic member 2510 may include a connecting portion 2514. The connecting portion 2514 may include a , extending from the outer portion 2512 and connecting to the fourth elastic member 2600. The connecting portion 25 may include a hole through which the wire of the fourth elastic member 2600 passes. The solder balls connecting the wires to the bonding portion 2514 may be disposed on the top surface of the bonding portion 2514. can.

[0218] The third elastic member 2500 may include a second lower elastic member 2520. The elastic member 2520 is connected to the lower part of the second bobbin 2210 and the lower part of the second housing 2310. The second lower elastic member 2520 is connected to the lower surface of the second bobbin 2210 and the second housing. The second lower elastic member 2520 may be coupled to the lower surface of the plate spring 2310. It can be formed by

[0219] The second lower elastic member 2520 may include an inner portion 2521. The inner portion 2521 may include , can be coupled to the bottom of the second bobbin 2210. The inner portion 2521 can be coupled to the bottom of the second bobbin 2210. The second projection 210 may include a hole into which the second projection 210 is inserted.

[0220] The second lower elastic member 2520 can include an outer portion 2522. The outer portion 2522 can be The outer portion 2522 can be coupled to the bottom of the second housing 2310. The second protrusion of the ring 2310 may include a hole into which the second protrusion is inserted.

[0221] The second lower elastic member 2520 may include a connecting portion 2523. The connecting portion 2523 The inner part 2521 and the outer part 2522 can be connected to each other. It can have.

[0222] The second lens driving device 2000 may include a fourth elastic member 2600. The member 2600 may be an "OIS support member." The fourth elastic member 2600 is a second upper elastic member. The connector 2510 is connected to the second substrate 2420, the substrate portion 2435, or the second terminal 2450. The fourth elastic member 2600 is connected to the upper surface of the second upper elastic member 2510 and the second terminal 2. 450. The fourth elastic member 2600 moves the second housing 2310. The fourth elastic member 2600 can support the second housing 2310 elastically. The fourth elastic member 2600 has elasticity at least in part. The fourth elastic member 2600 can move the second housing 2310 and the second The fourth elastic member 2600 can elastically support the movement of the bobbin 2210. The substrate 2420 and the third elastic member 2500 can be connected. One end of the fourth elastic member 2500 can be connected to the third elastic member 2500 by soldering. The other end of the member 2600 can be connected to the second terminal 2450 by soldering. .

[0223] The fourth elastic member 2600 may include a plurality of wires. The upper elastic unit 2 may include four wires. Four wires are included to connect 510a, 2510b, 2510c to the second substrate 2420. In a variant, the fourth elastic member 2600 can be formed of a leaf spring. Cut.

[0224] The second camera module may include a damper. The damper may include a fourth elastic member 2 600. The damper may be disposed between the fourth elastic member 2600 and the second housing. The damper may be disposed on the elastic member. The damper is disposed on the elastic member and / or the fourth elastic member 2600. Alternatively, the resonance phenomenon occurring in the fourth elastic member 2600 can be prevented.

[0225] The second camera module may include a printed circuit board. , PCB (printed circuit board). The board may be formed in a plate shape and may include an upper surface and a lower surface. The image sensor can be mounted on the top surface of the printed circuit board. The device may be arranged such that the printed circuit board is electrically connected to the image sensor. The printed circuit board may be electrically connected to the lens driving device. The printed circuit board is soldered to the terminals on the terminal section 2422 of the second substrate 2420. The printed circuit board may include terminals that are connected by soldering. A connector for connection to the outside may be disposed on the inner surface of the semiconductor substrate.

[0226] The second camera module may include an image sensor. , can be disposed on a printed circuit board. For example, the image sensor may be electrically connected to a printed circuit board (PCB). Surface Mounting Technology (SMT) In another example, the image sensor may be mounted on a printed circuit board. It can be bonded by flip chip technology. The image sensor can be arranged so that its optical axis coincides with that of the lens. The optical axis of the image sensor and the optical axis of the lens can be aligned. The sensor converts the light that falls on the active image area of ​​the image sensor into an electrical signal. The image sensor is a CCD (charge coupled device, Charge-coupled device), MOS (metal oxide semi-conductor, gold The material may be any of a metal oxide semiconductor, a CPD, and a CID.

[0227] The second camera module may include a lens module. , can be coupled to the second bobbin 2210. The lens module can be coupled to the second bobbin 221 The lens module can be screwed to the second bobbin 2210 by adhesive. The lens module is fixed to the barrel. The lens can include multiple lenses. The lens can include five lenses. Or it can include six lenses.

[0228] The second camera module may include a filter. The filter may include an infrared filter. The infrared filter can be used to filter out the mid-infrared wavelength band of light passing through the lens. Alternatively, an infrared filter can block mid-infrared light passing through the lens. The filter can absorb light in the linear wavelength band. The filter can be disposed in the second base 2410. Alternatively, the filter may be disposed between the second base 2410 and the printed circuit board. The sensor base can be disposed on the sensor base.

[0229] In this embodiment, the first camera module and the second camera module each include three components. Two of the core magnets are 4-pole magnets. One can be a 2-pole magnet. The AF coil drives the AF, and the OIS coil drives the OIS. The OIS drive can be performed simultaneously. Each magnet exerts a driving force with the OIS coil on the underside. The dummy member can be generated to provide X and Y diagonal drive. may be for aligning the center of gravity of the camera module.

[0230] The simulation in FIG. 17 is based on the relationship between the first and second camera modules. The distance between the first and second camera modules was set to 1 mm. When the distance between the first camera module and the second camera module is 1 mm, It can be confirmed that no magnetic field interference occurs between the sensor and the laser module.

[0231] The configuration of a lens driving device according to a second embodiment of the present invention will be described below with reference to the drawings. .

[0232] FIG. 18 is a perspective view of a lens driving device according to a second embodiment of the present invention, and FIG. 19 is a perspective view of the lens driving device shown in FIG. 20 is a cross-sectional view seen from BB in Fig. 18, and Fig. 21 is a cross-sectional view seen from AA in Fig. 1. 22 is a cross-sectional view of the lens driving device according to the second embodiment of the present invention, taken along the line CC of FIG. 23 is a perspective view of the lens driving device of FIG. 18 with the cover removed, and FIG. 4 is an exploded perspective view of a lens driving device according to a second embodiment of the present invention, and FIGS. 25 to 27 are FIG. 28 is an exploded perspective view of a part of the lens driving device according to the second embodiment of the present invention. FIG. 10 is a perspective view illustrating the arrangement of the coil, the magnet, and the dummy member according to the second embodiment; FIG. 29 is a side view of the configuration of FIG. 28, and FIG. 30 is a side view of the configuration of the second embodiment of the present invention. FIG. 2 is a side view of the coil and magnet of the lens driving device.

[0233] The lens driving device 10 includes a voice coil motor (VCM). The lens driving device 10 may be a lens driving motor. The lens driving device 10 may be a lens driving motor. In this embodiment, the lens driving device 10 may be a CLAF OIS actuator. It can include an ETA or CLAF OIS module. As an example, a lens driver The state in which the lens, image sensor, and printed circuit board are assembled in the device 10 is shown as a camera. This can be understood as a module.

[0234] The lens driving device 10 may include a cover 100. The cover 100 may be a housing. The cover 100 can be connected to the base 410. The cover 100 can form an internal space between the cover 100 and the base 410. The cover 100 can accommodate the housing 310 inside. The cover 100 can accommodate the first camera module 10 inside. The cover 100 may be a hexahedron with an open bottom. The cover 100 may be made of a non-magnetic material. The cover 100 may be made of a metal material. The bar 100 can be made of a metal plate. The cover 100 can be connected to the ground portion of the board. The cover 100 can be used to reduce electromagnetic interference (EMI). At this time, the cover 100 , can be referred to as a "shield can" or "EMI shield can."

[0235] The cover 100 may include a top plate 110. The cover 100 may include a side plate 120. The cover 100 is made up of an upper plate 110 and an outer periphery of the upper plate 110. The side panels 120 may extend downwardly from the periphery or edge. The lower end of the side plate 120 of the cover 100 is disposed on the step 412 of the base 410. The inner surface of the side panel 120 of the cover 100 is fixed to the base 410 by adhesive. It is possible.

[0236] The cover 100 may include a plurality of side plates. The cover 100 may include a plurality of corners formed by four side panels. The cover 10 may include four side panels and four corners formed between the four side panels. 0 is a first side plate, a second side plate arranged on the opposite side of the first side plate, and a space between the first side plate and the second side plate. The cover 100 may include a third side plate and a fourth side plate disposed opposite each other between the third side plate and the fourth side plate. The cover 100 may include the first corner and the first to fourth corners. The second corner is located on the opposite side of the center, and the third corner is located on the opposite side of the center. It may include the fourth corner.

[0237] The lens driving device 10 can include a first movable element 200. The first movable element 200 includes: The first movable element 200 can be connected to a lens. The first mover 200 can be connected to the second mover 300. At this time, the first movable element 200 moves together with the lens. On the other hand, the first movable element 200 can move during AF driving. The first movable element 200 can be referred to as an "AF movable element." When the OIS is driven, the first movable element 200 can move together with the second movable element 300. may include a bobbin 210 and a first coil 220.

[0238] The first armature 200 may include a bobbin 210. The bobbin 210 may be a housing The bobbin 210 can be movably attached to the housing 310. The bobbin 210 can be moved in the optical axis direction relative to the housing 310. This can be done.

[0239] The bobbin 210 may include a protrusion 211. The protrusion 211 may The first coil 220 can be fixed to the protruding portion 211. The protrusion 211 can be inserted into the hollow of the ring-shaped first coil 220. The first coil 220 can be wound around the protruding portion 211. The protruding portion 211 has a first coil 220 wound therearound. The bobbin 210 may have a first side surface and a second side surface opposite to the first side surface. The protrusion 211 may include multiple protrusions. The protrusion 211 may include two protrusions. It can be done.

[0240] The bobbin 210 may include a hole 212. The hole 212 is a hollow hole. A lens can be attached to the hole 212. The inner circumferential surface of the bobbin 210 may have a spiral thread. The inner circumferential surface of the bobbin 210 may be formed as a curved surface without a helical thread. The first protrusion of the bobbin 210 may include a first protrusion that is coupled to the member 500. The bobbin 210 can be inserted into a corresponding hole in the connector 500 and coupled to the connector 500. The bobbin 210 may include a groove in which the fourth magnet 230 is disposed. The mat 230 can be inserted and mated at the bottom.

[0241] The bobbin 210 may include a stopper 213. The stopper 213 may The stopper 213 can be formed on the side of the bobbin 210. The stopper 213 is disposed in the second groove 313 of the housing 310. The stopper 213 has a shape corresponding to the second groove 313 of the housing 310. The stopper 213 can be formed in a bobbin shape by being engaged with the housing 310. This can prevent downward movement and rotation of the motor 210.

[0242] The bobbin 210 is made of the first elastic member 500, the first coil 220, and the fourth magnet 230. It can be bonded to one or more of them with adhesive. At this time, the adhesive can be bonded by heat, laser, etc. It is an epoxy that hardens by one or more of ultraviolet (UV) light. It is possible.

[0243] The first mover 200 can include a first coil 220. The first coil 220 is The first coil 220 can be disposed on the bobbin 210. The first coil 220 may be disposed in contact with the bobbin 210. The first coil 20 can be disposed between the bobbin 210 and the housing 310. The first coil 220 may be disposed on the outer periphery of the bobbin 210. The first coil 220 can be wound in series with the magnet 320. The first coil 220 can electromagnetically interact with the magnet 320. When a current is supplied to the first coil 220 and an electromagnetic field is formed around the first coil 220, The electromagnetic interaction between the coil 220 and the magnet 320 causes the first coil 220 can move relative to the magnet 320.

[0244] The first coil 220 can include multiple coils. The first coil 220 may include a first coil 220-1 and a second coil 220-2. The first coil 220-1 can be connected to the second magnet 3. The first-second coil 220-2 can face the third magnet 320. The first-1 coil 220-1 is disposed on the first side of the bobbin 210. The first coil 220-2 is placed on a second side surface opposite to the first side surface of the bobbin 210. Each of the first-first coil 220-1 and the first-second coil 220-2 can be arranged as follows. The first electrode may be formed in a ring shape, a donut shape, or an ellipse shape. Each of the first coil 220-1 and the first-second coil 220-2 is referred to as a "glasses coil." This can be done.

[0245] The first coil 220 may include first to third portions 221, 222, and 223. The first portion 221 of the first coil 220 is disposed on the protruding portion 211 of the bobbin 210. The second portion 222 of the first coil 220 is located below the protruding portion 211 of the bobbin 210. The third portion 223 of the first coil 220 can be arranged such that the first portion 221 and the second portion 222 are connected to each other. The portions 222 can be linked.

[0246] The first mover 200 may include a fourth magnet 230. The fourth magnet 230 is attached to the bobbin 210. The fourth magnet 230 can be arranged adjacent to the first sensor 440. The fourth magnet 230 can be arranged to face the first sensor 440. The fourth magnet 230 can be inserted downward into the groove of the bobbin 210. The fourth magnet 230 can be a two-pole magnetized magnet or a four-pole magnetized magnet. The fourth magnet 230 may be disposed at a corner of the bobbin 210. By disposing the fourth magnet 230 at the corner of the bobbin 210, The magnet 320 and the fourth magnet 230 are arranged to face the side of the magnet 210. The magnetic field interference between the two can be minimized.

[0247] The first mover 200 may include a compensation magnet as a modified example. The compensation magnet may be provided for magnetic field balance with the fourth magnet 230. The compensation magnet can be disposed on the bobbin 210. The compensation magnet can be disposed on the fourth magnet with respect to the optical axis. It can be placed on the opposite side of the net 230.

[0248] The lens driving device 10 can include a second movable element 300. The second movable element 300 includes: The second movable member 600 can be movably coupled to the stator 400 via the second elastic member 600. The second movable element 300 can support the first movable element 200 via an elastic member. 00 moves the first mover 200 or moves together with the first mover 200. The second mover 300 can move by interacting with the stator 400. The second movable element 300 can move when the OIS is driven. 0 can be referred to as the "OIS mover."

[0249] The second armature 300 may include a housing 310. The housing 310 may include a base. The housing 310 can be separated from the base 410. The housing 310 is disposed within the cover 100. The housing 310 can be disposed between the cover 100 and the bobbin 210. The housing 310 can be disposed outside the bobbin 210. The housing 310 can accommodate at least a portion of the bobbin 210. The housing 310 may be made of a different material from the cover 100. The housing 310 may be formed by injection molding. The housing 310 can be separated from the side plate 120 of the cover 100.

[0250] The housing 310 may include a hole 311. The hole 311 may be a hollow hole. The hole 311 may be formed vertically through the center of the housing 310. The bobbin 210 can be placed in the hole 311 of the housing 310. The housing 310 may include a first protrusion that is coupled to the first elastic member 500. The first protrusion of the housing 310 is inserted into the corresponding hole of the first elastic member 500 and fastened. The housing 310 has a second hole through which the second elastic member 600 passes. It can include.

[0251] The housing 310 can include a first groove 312. The first groove 312 is a "magnet The housing 310 may be a magnet receiving groove and / or a dummy member receiving groove. The housing may include a first groove 312 in which the mat 320 and the dummy member 330 are disposed. The first groove 312 of the housing 310 may be a groove recessed from the lower surface of the housing 310 .

[0252] The housing 310 may include a second groove 313. The second groove 313 may include a stopper The second groove 313 may be formed on the top surface of the housing 310. The second groove 313 accommodates at least a part of the stopper 213 of the bobbin 210. When the bobbin 210 rotates, the stopper 213 of the bobbin 210 engages with the inner surface of the second groove 313. The second groove 313 may be formed so as to 213 and may include a bottom surface that faces the bottom surface of the bobbin 213 and overlaps the bottom surface of the bobbin 213 in the optical axis direction. When the bobbin 210 moves downward, the stopper 213 is engaged with the bottom surface of the second groove 313, and the bobbin The downward stroke of the spool 210 can be limited.

[0253] The housing 310 includes the first elastic member 500, the magnet 320, and the dummy member 330. It can be bonded to one or more of them by adhesive. At this time, the adhesive can be bonded by heat, laser, etc. It is an epoxy that hardens by either UV or UV light. could be.

[0254] The housing 310 has four sides and four corners disposed between the four sides. The housing 310 corresponds to the first side plate of the side plates 120 of the cover 100. a first side portion disposed to correspond to the second side plate; a second side portion disposed to correspond to the second side plate; a third side portion disposed corresponding to the third side plate; and a fourth side portion disposed corresponding to the fourth side plate. It can include 4 sides.

[0255] The second movable element 300 can include a magnet 320. The magnet 320 is The magnet 320 may be disposed in the housing 310. The magnet 320 can be disposed between the bobbin 210 and the housing 310. The magnet 320 can face the first coil 220. The magnet 320 can electromagnetically interact with the first coil 220. The magnet 320 can face the second coil 430. The magnet 320 is used for AF drive and OIS drive. The magnet 320 is disposed at the corner of the housing 310. In this case, the area of ​​the inner surface of the magnet 320 is equal to the area of ​​the outer surface of the opposite side. The magnets 320 are attached to the four corners of the cover 100. It can be placed at each of the remaining three corners of the center, except for the first corner.

[0256] The magnet 320 may include a plurality of magnets. The magnet 320 may include four magnets. The magnet 320 is made up of a first magnet 320-1, a second magnet 320-2, and a and a third magnet 320-3. The members 330 may be disposed opposite each other. -2, 320-3 may be positioned opposite each other.

[0257] The first magnet 320-1 can be used to drive the OIS in the X direction. The second magnet 320-2 and the third magnet 320-3 are used for driving the AF and OIS in the Y direction. The first magnet 320-1 can be used for the second coil 430. The second magnet 320-2 can face the first coil 430-1. The first-1 coil 220-1 of the second coil 430 faces the second-2 coil 430-2 of the second coil 430. The third magnet 320-3 can face the first coil 220-1. The coil 220-2 faces the second-third coil 430-3 of the second coil 430. This can be done.

[0258] The first magnet 320-1 may be a two-pole magnetized magnet. The first magnet 320-1 may be a two-pole magnet. The first magnet 320-1 has polarities on the inner and outer surfaces. The magnets may be two different poles. For example, the inner surface of the first magnet 320-1 may be a north pole. The outer surface of the first magnet 320-1 may be a south pole. The inner surface of the first magnet 320-1 may be a south pole and the outer surface of the first magnet 320-1 may be a north pole. , the first magnet 320-1 may be a four-pole magnet. is formed larger than the second magnet 320-2 and the third magnet 320-3. It is possible.

[0259] The second magnet 320-2 and the third magnet 320-3 are four-pole magnetized magnets. The second magnet 320-2 and the third magnet 320-3 are four-pole magnets. The four-pole magnetized magnet can include a neutral part arranged horizontally in the center. Here, the neutral portion can be a gap. The second magnet 320-2 and the third magnet 320-3 can be magnetized to the positive pole. By magnetizing the poles, the AF electromagnetic force can be maximized. The upper part of the inner surface of each of the third magnets 320-2 and 320-3 is connected to the lower part of the inner surface and the upper part of the outer surface. The second magnet 320 may be a four-pole magnet with opposite polarities and the same pole as the lower part of the outer surface. The upper part of the inner surface and the lower part of the outer surface of the second magnet 320-2 are N poles, and the lower part of the inner surface and the outer surface of the second magnet 320-3 are N poles. Conversely, the upper part of the inner surface and the lower part of the outer surface of the second magnet 320-2 are The lower part of the inner surface and the upper part of the outer surface of the second magnet 320-2 can be the south pole, and the third magnet 320-3 can be the north pole. The upper part of the inner surface of the third magnet 320-3 and the lower part of the outer surface are N poles. The bottom of the surface and the top of the outer surface can be the south pole. Conversely, the top of the inner surface of the third magnet 320-3 The lower part of the inner surface and the upper part of the outer surface of the third magnet 320-3 are south poles. It is possible.

[0260] The magnet 320 may include an inner surface facing the first coil 220. The inner surface of the container 320 may include first to third regions 321, 322, and 323. In the initial position where no current is applied to the coil 220, the first region 321 is The second region 322 can face the first portion 221 of the first coil 220. The first region 321 can face the second region 322 having the first polarity. The third region 323 can have a second polarity opposite to the first polarity. 21 and the second region 322.

[0261] This embodiment uses a 4-pole AF driving magnet. Instead of centering the hole in the forward and backward directions, erse) Stroke (Stroke) Includes a method for adjusting the position of the hole according to the driving range. The size of the actuator is continuously decreasing. Since it is difficult to adjust the size of the magnet and coil, this embodiment is more effective. obtain.

[0262] For example, the forward stroke is 320um, and the reverse stroke is 320um. ) When optimizing the hole position under the driving condition of stroke -30um, magnet 320 The height of the first region 321 is set to 1.7 mm, and the height of the third region 323 is set to 0.55 mm. The height can be set to 0.3 mm, and the height of the second region 322 can be set to 0.85 mm. The area of ​​the first region 321 of the magnet 320 is equal to the area of ​​the second region 322 of the magnet 320. The area may differ from that of the

[0263] The area of ​​the first region 321 of the magnet 320 is the surface area of ​​the second region 322 of the magnet 320. In a variant, the area of ​​the first region 321 of the magnet 320 may be smaller than the product of the magnet The area of ​​the second region 322 of the port 320 may be larger than that of the second region 322 of the port 320 .

[0264] In the initial position, the upper end of the first portion 221 of the first coil 220 and the first region of the magnet 320 The distance in the optical axis direction between the first region 321 and the lower end of the first region 321 (see L1 in FIG. 30) is Between the upper end of the first portion 221 of the coil 220 and the lower end of the first portion 221 of the first coil 220 In this embodiment, the distance in the direction of the optical axis of the first The first portion 221 of the coil 220 and the first region 321 of the magnet 320 are perpendicular to the optical axis. The area of ​​the first coil 220 overlapping the first portion 221 in the direction of the first coil 220 is at least 60% or more of the area of ​​the first portion 221 of the first coil 220. Only then will the electromagnetic force be lost by around 10%. The position of the first coil 220 is fixed by the Posture Difference. Therefore, L1 / L2 must be at least 80%.

[0265] In the initial position, the first portion 221 of the first coil 220 is aligned with the first region 32 of the magnet 320. The first and third regions 323 may overlap in a direction perpendicular to the optical axis. In the initial position, the second portion 222 of the first coil 220 is in contact with the second region 322 of the magnet 320. The first coil 2 can be overlapped in a direction perpendicular to the optical axis. The third portion 223 of the magnet 320 is aligned with the second region 322 and the third region 323 of the magnet 320 and the optical axis can be overlapped in a direction perpendicular to the

[0266] The length of the inner surface of the magnet 320 in the long side direction is The length of the magnet 320 in the direction of the short side of the inner surface is longer than the length of the first coil 220. The length of the inner surface of the magnet 320 in the long side direction may be longer than the length of the second magnet 320 in the long side direction. This can correspond to the length of the coil 430 in the corresponding direction.

[0267] The magnet 320 includes a first magnet portion 326, a second magnet portion 327, and a neutral portion 328. The first magnet part 326 may include a north pole and a south pole. The second magnet part 327 is disposed below the first magnet part 326 and includes a north pole and a south pole. The neutral portion 328 is located between the first magnet portion 326 and the second magnet portion 327. The first portion 221 of the first coil 220 can be arranged in the first coil 220. In the initial position where no current is applied, the first magnet part 326 and the neutral part 328 are aligned with the optical axis. The first magnet part 326 may overlap in a direction perpendicular to the optical axis direction. The length in the optical axis direction may be shorter than the length of the second magnet portion 327 in the optical axis direction.

[0268] FIG. 31 is a graph illustrating the comparison of the drive linearity between the comparative example (a) and the present embodiment (b). The comparative example is a comparison of the height of the first region 321 and / or the first magnet part 326 and the second In this embodiment, the height of the region 322 and / or the second magnet portion 327 is the same. is set to the height of the first region 321 and / or the first magnet portion 326 relative to the height of the second region 322 and / or Alternatively, it is an embodiment in which the height is shorter than the height of the second magnet portion 327. When comparing (b), it can be seen that the linearity has increased in (b) of this embodiment. do.

[0269] The second movable element 300 can include a dummy member 330. The dummy member 330 is The dummy magnet 320-3 may be disposed on the opposite side of the housing 310 from the third magnet 320-3. The weight of the member 330 can correspond to the weight of the first magnet 320-1. The dummy member 330 may have a weight smaller than that of the first magnet 320-1. Alternatively, the dummy member 330 can have a weight greater than the weight of the first magnet 320-1. The dummy member 330 may have a weight of 80% or more of the weight of the first magnet 320-1. The weight of the dummy member 330 can be up to 120% of the weight of the first magnet 320-1. If the value is below the lower limit or above the upper limit, the weight balance of the OIS drive unit will be It can collapse.

[0270] The dummy member 330 may be a non-magnetic material. The magnetic strength of the dummy member 330 is equal to the magnetic strength of the first magnet 320-1. The dummy member 330 has its center of gravity positioned on the opposite side of the first magnet 320-1. The dummy member 330 is made of tungsten at least 95%. That is, the dummy member 330 can be a tungsten alloy. For example, the specific gravity of the dummy member 330 may be 18,000 or more. The magnet 320-1 is disposed symmetrically with respect to the central axis of the housing 310. At this time, the central axis of the housing 310 can correspond to the optical axis. The dummy member 330 has a thickness corresponding to the direction perpendicular to the optical axis and the first magnet 320-1. can have:

[0271] The lens driving device 10 may include a stator 400. The stator 400 includes first and second The stator 400 can be disposed below the second movers 200 and 300. The stator 400 can move the second mover 300. At this time, the first movable element 200 can also move together with the second movable element 300. can.

[0272] The stator 400 may include a base 410. The base 410 may be attached to the housing 31. The base 410 can be disposed below the bobbin 210. The base 410 can be spaced apart from the housing 310 and the bobbin 210. The base 410 can be disposed below the first substrate 420. The base 410 can be mounted on a printed circuit board. The base 410 is disposed between the housing 310 and the printed circuit board. It is possible.

[0273] The base 410 may include a hole 411. The hole 411 may be a sensor receiving hole. The hole 411 can penetrate the base 410 in the optical axis direction. A first sensor 440 and a second sensor 450 may be disposed in 411. The size and number of the sensors 411 correspond to those of the first sensor 440 and the second sensor 450. Alternatively, the holes 411 can be formed by grooves. In this case, the grooves may be formed on the top surface of the base 410 .

[0274] The base 410 may include a step 412. The step 412 may be formed on a side of the base 410. The step 412 may be formed on the outer circumferential surface of the base 410. The step 412 may be formed by protruding the lower portion of the side surface of the base 410. The lower end of the side plate 120 of the cover 100 can be disposed at 412 .

[0275] The base 410 may include a first groove 413. The first groove 413 is a terminal portion receiving groove. The first groove 413 may be formed on the side surface of the base 410. The terminal portion 422 of the first substrate 420 may be disposed in the first groove 413. The first groove 413 may be formed to have a width corresponding to the width of the base 41. The grooves 10 may be formed on two opposite sides of the grooves 10.

[0276] The base 410 may include a second groove 414. The second groove 414 may be formed by The second groove 414 may be formed on the bottom surface of the sensor base or the image sensor. It is possible to provide a space for

[0277] The base 410 may include a hollow hole. The hollow hole may be formed at the center of the base 410. The hollow hole can penetrate the base 410 in the optical axis direction. A hollow hole can be formed between the lens and the image sensor.

[0278] The stator 400 includes a substrate 420. The first substrate 420 is attached to the base 410. The first substrate 420 can be disposed on the upper surface of the base 410. The first substrate 420 can be disposed between the housing 310 and the base 410. The first substrate 420 can be coupled with the second elastic member 600. 0 can supply power to the second coil 430. The first substrate 420 is 5. The first substrate 420 can be coupled to the second coil 430. The first substrate 420 is connected to a printed circuit board disposed below the base 410. The first substrate 420 is a flexible printed circuit board (FPCB). The first substrate may include a printed circuit board. 420 can be partially folded.

[0279] The substrate 420 may include a main body 421. The main body 421 may be disposed on the top of the base 410. The first substrate 420 may be disposed on the surface of the main body 421. The first hole is formed between the lens and the image sensor. The first substrate 420 may include a second hole. The second hole may include: The wire of the second elastic member 600 can be passed through the first substrate 420 in the vertical direction. The first substrate 420 includes a ground portion. The ground portion can extend from the side of the main body portion 421 and be bent. The ground portion is disposed on the side surface of the base 410 and is connected to the side plate 120 of the cover 100. This allows the cover 100 to be electrically connected to the first substrate 420. It can be tied to ground.

[0280] The substrate 420 may include a terminal portion 422. The terminal portion 422 may be The terminal portion 422 can be bent downward and extended from the four sides of the first substrate 420. The terminal portion 422 may have two side surfaces disposed on opposite sides of the center. A terminal may be arranged on the first substrate 42. The terminal may include a plurality of terminals. The terminals of 0 can be connected to the terminals of the printed circuit board by soldering.

[0281] The stator 400 can include a second coil 430. The second coil 430 is an "OI The second coil 430 may be disposed on the base 410. The second coil 430 may be formed on the substrate part 435. The second coil 430 may be disposed on the substrate 420. The second coil 430 faces the magnet 320. The second coil 430 can electromagnetically interact with the magnet 320. In this case, a current is supplied to the second coil 430, and a magnetic field is generated around the second coil 430. Once the field is established, the electromagnetic interaction between the second coil 430 and the magnet 320 This allows the magnet 320 to move relative to the second coil 430. 430 is connected to the housing 310 and the bobbin by electromagnetic interaction with the magnet 320. The second coil 210 can be moved relative to the base 410 in a direction perpendicular to the optical axis. The coil 430 is a fine pattern coil (FP coil, F) formed integrally with the substrate portion 435. Line Pattern coil).

[0282] The first substrate 420 may include a second coil 430. That is, the second coil 430 However, the second coil 430 may be a component of the first substrate 420. It may be disposed on a separate substrate unit 435 .

[0283] The second coil 430 can include multiple coils. The second coil 430 includes three coils. The second coil 430 may include four coils. The coil 430 includes a 2-1 coil 430-1, a 2-2 coil 430-2, and a 2-3 coil. The second-first coil 430-1 can be connected to the first magnet 32. The second coil 430-2 can face the second magnet 320-0-1. The second-third coil 430-3 can face the third magnet 320-3. It can be opposed.

[0284] The number of turns of the 2-1 coil 430-1 is the same as that of the 2-2 coil 430-2 and the 2-3 coil The number of turns of the second coil 430-2 may be greater than the number of turns of the first coil 430-3. The number of turns can correspond to the number of turns of the second-third coil 430-3. When the OIS is driven, the X-axis direction movement is performed via the 2-1 coil 430-1, and the Y-axis direction movement is performed via the 2-1 coil 430-2. This can be done via the second-second coil 430-2 and the second-third coil 430-3. Therefore, in this embodiment, the second coil 430 is used to supplement the insufficient thrust in the X-axis direction. The number of turns of -1 is set to 2-2 coil 430-2 and 2-3 coil 430-3. For example, the number of turns of the 2-1 coil 430-1 can be increased by The ratio of the number of turns of the 2-2nd and 2-3rd coils 430-2 and 430-3 is 1.5:2.0 The number of turns of the 2-1 coil 430-1 and the number of turns of the 2-2 and 2-3 coils can be 1:1 or 1:1. The ratio of the number of turns of coils 430-2 and 430-3 is ideally 1:1, but the ratio is Due to technical constraints, it can be arranged up to 1.5:2.0.

[0285] The second coil 430 may include a substrate portion 435. The substrate portion 435 may be attached to the base 41. The substrate portion 435 may be disposed on the first substrate 420. The substrate portion 435 can be disposed between the magnet 320 and the base 410. Here, although the substrate unit 435 is described as being separate from the first substrate 420, 5 can be understood as a configuration included in the first substrate 420.

[0286] The substrate portion 435 may be a circuit board. The substrate portion 435 may be an FPCB. The second coil 430 is a fine pattern coil (FP coil, Fine pattern coil) 435. The substrate part 435 may be integrally formed with a ttern coil. A first hole may be formed in the substrate part 435 in the optical axis direction. , a second hole through which the second elastic member 600 passes may be formed.

[0287] The stator 400 can include a first sensor 440. The first sensor 440 The first sensor 440 can be disposed on the fourth magnet 230. The first sensor 440 can be disposed on the first substrate 420. The first sensor 440 may be coupled to the lower surface of the first substrate 420. The first sensor 440 can be disposed in the hole 411 of the base 410. The first sensor 440 can be spaced apart from the housing 310. The first sensor 440 can be spaced apart from the fourth magnet 230 in the optical axis direction. The first sensor 440 is used for AF feedback control. The first sensor 440 can sense the position of the fourth magnet 230. The first sensor 440 may be a fourth magnet, a Hall element, or a Hall sensor. The magnetic force of the net 230 can be sensed.

[0288] The stator 400 can include a second sensor 450. The second sensor 450 is The second sensor 450 may be disposed between the base 410 and the first substrate 420. The second sensor 450 can detect the movement of the second movable element 300. 20 to sense the movement of the housing 310 and the magnet 320. The sensed value sensed by the second sensor 450 can be used for OIS feedback control. The second sensor 450 can include multiple Hall sensors. The second sensor 450 may include two Hall sensors. 50 is a first Hall sensor that senses horizontal x-axis movement and a second Hall sensor that senses horizontal y-axis movement. A second Hall sensor may be included to sense movement.

[0289] The stator 400 may include a terminal 460. The terminal 460 may be attached to the lower surface of the base 410. The terminal 460 may be electrically connected to the first substrate 420. The length of the wire of the second elastic member 600 can be secured through the terminal 460. Cut.

[0290] The lens driving device 10 may include a first elastic member 500. The first elastic member 500 can connect the housing 310 and the bobbin 210. The first elastic member 500 can be coupled to the bobbin 210 and the housing 310. The first elastic member 500 can elastically connect the spring 210 and the housing 310. At least a part of the first elastic member 500 has elasticity. The movement of 210 can be elastically supported.

[0291] The first elastic member 500 may include an upper elastic member. The upper part of the housing 310 and the upper part of the bobbin 210 can be connected. The first elastic member 210 may be coupled to the upper surface of the bobbin 210 and the upper surface of the housing 310. The member 500 may be formed of a plate spring. The first elastic member 500 is a lower elastic member. The device may include a sexual member.

[0292] The first elastic member 500 can electrically connect the first coil 220 and the first substrate 420. The first elastic member 500 may include a plurality of upper elastic units. The member 500 includes three upper elastic units. The first elastic member 500 is the third elastic member. The first upper elastic unit 501, the second upper elastic unit 502 and the third upper elastic unit 50 The first upper elastic unit 501 may include one wire among the plurality of wires. The second upper elastic unit 502 can connect the first coil 220-1 to the first coil 220-2. , the first coil 220-1 and the second coil 220-2 can be connected. The upper elastic unit 503 is connected to the first and second coils 220-2 and another wire among the plurality of wires. The ears can be connected.

[0293] The first elastic member 500 may include an inner portion 510. The inner portion 510 may be formed on the bobbin 2. The inner part 510 is inserted into the first protrusion of the bobbin 210. It may contain holes that can be inserted.

[0294] The first elastic member 500 may include an outer portion 520. The outer portion 520 may be formed on the housing. The outer portion 520 can be coupled to the top of the housing 310. The hole may include a hole for insertion into the

[0295] The first elastic member 500 may include a connecting portion 530. The connecting portion 530 may be formed by connecting the inner portion 5 The outer part 520 can be connected to the connecting part 530. The connecting part 530 can have elasticity. do.

[0296] The first elastic member 500 may include a connecting portion 540. The connecting portion 540 may be formed by connecting the outer portion 5 The connecting portion 540 extends from the second elastic member 20 and can be connected to the second elastic member 600. The member 600 may include a hole through which the wire passes. The corresponding solder balls may be disposed on the top surface of the bonding portion 540 .

[0297] The lens driving device 10 may include a second elastic member 600. The second elastic member 600 can be an "OIS support member." The second elastic member 600 can be a member that supports the first elastic member 500 and the first The substrate 420, the substrate portion 435, or the terminal 460 can be connected. The second elastic member 60 can be coupled to the upper surface of the first elastic member 500 and the terminal 460. The second elastic member 600 can movably support the housing 310. The second elastic member 600 can elastically support the housing 310. The second elastic member 600 may have elasticity in a portion thereof. The second elastic member 600 can elastically support the movement of the first elastic member 600 and the bobbin 210. The first substrate 420 and the first elastic member 500 can be connected. The second elastic member 6 can be connected to the first elastic member 500 by soldering. The other end of 00 can be connected to terminal 460 by soldering.

[0298] The second elastic member 600 may include a plurality of wires. The wires may include four wires. The wires may be connected to three upper elastic units 501. , 502, 503 and the first substrate 420. In an example, the second elastic member 600 may be formed of a leaf spring.

[0299] The lens driving device 10 may include a damper. The damper is a second elastic member 60. The damper can be disposed in the second elastic member 600 and the housing 310. The damper can be disposed on the elastic member. The damper can be disposed on the elastic member. , the elastic member and / or the second elastic member 600 is disposed on the elastic member and / or the second elastic member This can prevent the resonance phenomenon from occurring in the member 600.

[0300] A camera module according to a second embodiment of the present invention will be described below with reference to the drawings.

[0301] FIG. 32 is an exploded perspective view of a camera device according to a second embodiment of the present invention.

[0302] The camera device 10A may include a camera module. The camera device 10A may include a lens module 20. The image sensor 60 may include at least one lens. The lens module 20 can be arranged at a corresponding position. The lens module 20 is coupled to the bobbin 210 of the lens driver 10. The lens module 20 can be threaded and / or glued to the bobbin 210. The lens module 20 moves together with the bobbin 210. It is possible.

[0303] The camera device 10A can include a filter 30. The filter 30 is attached to the lens. Light in a specific frequency band passes through the module 20 and enters the image sensor 60. The filter 30 is arranged parallel to the xy plane. The filter 30 can be placed between the lens module 20 and the image sensor 6 The filter 30 is disposed on the sensor base 40. Alternatively, the filter 30 can be disposed in the base 410. The filter 30 may include an infrared filter. It is possible to block light in the infrared region from entering the image sensor 60.

[0304] The camera device 10A can include a sensor base 40. The sensor base 40 , can be disposed between the lens driving device 10 and the printed circuit board 50. The base 40 may include a protrusion 41 on which the filter 30 is disposed. The part of the sensor base 40 where the filter 30 is placed is where the light passing through the filter 30 is imaged. An opening may be formed so that light can be incident on the image sensor 60. The material 45 bonds or adheres the base 410 of the lens driver 10 to the sensor base 40. The adhesive member 45 can also be used to prevent foreign matter from entering the inside of the lens driving device 10. The adhesive member 45 can be made of epoxy, thermosetting adhesive, purple adhesive, or the like. The external currency adhesive may include one or more of the following.

[0305] The camera device 10A includes a printed circuit board 50 (PCB). The printed circuit board 50 may include a substrate or a circuit board. The lens driving device 10 can be arranged on the printed circuit board 50. The sensor base 40 is disposed between the printed circuit board 50 and the lens driving device 10. The printed circuit board 50 can be electrically connected to the lens driving device 10. An image sensor 60 can be mounted on the printed circuit board 50. The printed circuit board 50 is provided with an electrical signal for transmitting the image formed on the image sensor 60. Various circuits, elements, control units, etc. may be provided to convert the signal into a signal and transfer it to an external device. .

[0306] The camera device 10A can include an image sensor 60. 0 is a configuration in which light that has passed through a lens and a filter 30 is incident and an image is formed. The image sensor 60 can be mounted on the printed circuit board 50. The range sensor 60 may be electrically connected to the printed circuit board 50. The image sensor 60 is mounted on the printed circuit board 50 using surface mount technology (SMT). It can be attached using Face Mounting Technology. In another example, the image sensor 60 is flip-chip mounted on the printed circuit board 50. The image sensor 60 can be combined with a lens and an optical That is, the optical axis of the image sensor 60 and the lens The optical axis of the image sensor 60 can be aligned. The light incident on the effective image area of ​​the image sensor 60 can be converted into an electrical signal. The image sensor 60 is a CCD (charge coupled device) load-coupled element), MOS (metal oxide semi-conductor, metal oxide semiconductor), CPD, and CID.

[0307] The camera device 10A may include a motion sensor 70. The motion sensor 70 can be mounted on the printed circuit board 50. , and is electrically connected to the control unit 80 through a circuit pattern provided on the printed circuit board 50. The motion sensor 70 detects the rotational angular velocity due to the movement of the camera device 10A. The motion sensor 70 can output degree information. The sensor may include a gyro sensor or an angular velocity sensor.

[0308] The camera device 10A can include a control unit 80. The control unit 80 can be implemented by a printed circuit board (PCB). The control unit 80 can be arranged on the first and second controllers of the lens driving device 10. The control unit 80 may be electrically connected to the first and second controllers 220 and 430. The direction, strength, and amplitude of the current supplied to the coils 220 and 430 can be individually controlled. The control unit 80 controls the lens driving device 10 to perform an autofocus function and / or Furthermore, the control unit 80 controls the lens driving device 10. Autofocus feedback control and / or image stabilization feedback control It can be done.

[0309] The camera device 10A can include a connector 90. The connector 90 is connected to a printer. The connector 90 can be electrically connected to the external device. It may include a port for efficient connection.

[0310] In the camera module according to this embodiment, a driving current is applied to the first coil 220 in the first direction. When the bobbin 210 is applied, the bobbin 210 moves in a first stroke in a direction away from the image sensor. When a driving current is applied to the first coil 220 in a second direction opposite to the first direction, In this case, the bobbin 210 moves in the second stroke in a direction approaching the image sensor. In this case, the first stroke can be longer than the second stroke.

[0311] An optical device according to a second embodiment of the present invention will be described below with reference to the drawings.

[0312] FIG. 33 is a perspective view illustrating an optical device according to a second embodiment of the present invention, and FIG. 34 is a perspective view illustrating an optical device according to a second embodiment of the present invention. FIG. 10 is a configuration diagram of an optical device according to a second embodiment.

[0313] The optical device 10B is a mobile phone, a smartphone, a portable smartphone, Smart devices, digital cameras, notebook computers er), digital broadcasting terminals, PDAs (Personal Digital Assistants) tants), PMP (Portable Multimedia Player) and However, the type of the optical device 10B is not limited to this. Any device for taking pictures or images may also be included in the optical instrument 10B. do.

[0314] The optical device 10B may include a body 850. The body 850 may have a bar shape. Alternatively, the main body 850 may be two or more sub-bodies that move relative to one another. Movably connected slide type, folder type, swing type, slide The main body 850 may have various structures such as a swirl type. For example, the main body 850 may include a casing, a housing, a cover, etc. The front case 851 and the rear case 852 may be included. The space formed between the case 852 and the optical device 10B contains various electronic components. A display module 753 may be disposed on one surface of the main body 850. One or more surfaces of the one surface of the main body 850 and the other surface disposed on the opposite side of the one surface can be A camera 721 can be placed in the

[0315] The optical device 10B can include a wireless communication unit 710. The wireless communication unit 710 can Between the device 10B and the wireless communication system or between the optical device 10B and the optical device 10B It may include one or more modules that enable wireless communication with the network. For example, the wireless communication unit 710 includes a broadcast receiving module 711, a mobile communication module 712, Wireless Internet module 713, short-range communication module 714 and location information module 715.

[0316] The optical device 10B can include an A / V input section 720. The input unit 720 is for inputting an audio signal or a video signal. 721 and microphone 722. can include the camera device 10A according to this embodiment.

[0317] The optical device 10B may include a sensing unit 740. The sensing unit 740 The open / closed state of the optical device 10B, the position of the optical device 10B, whether or not the user is touching the optical device 10B, The current state of the optical device 10B, such as the orientation, acceleration / deceleration of the optical device 10B, etc., is sensed to determine the optical A sensing signal can be generated to control the operation of the device 10B. For example, When the optical device 10B is in the form of a slide phone, it senses whether the slide phone is open or closed. In addition, the presence or absence of power supply from the power supply unit 790, the interface unit It can handle sensing functions related to whether or not the 770 is connected to external devices.

[0318] The optical device 10B can include an input / output section 750. The input / output section 750 can be used to , auditory, or tactile related input or output. The input unit 750 can generate input data for controlling the operation of the optical device 10B. It is also possible to output information to be processed by the optical device 10B.

[0319] The input / output section 750 includes a keypad section 751, a touch screen panel 752, a display 753 and an acoustic output module 754. The keypad unit 751 can generate input data by keypad input. The touch screen panel 752 allows the user to select specific areas of the touch screen. The change in capacitance caused by the touch can be converted into an electrical input signal. The display module 753 can output the image captured by the camera 721. The display module 753 has a plurality of pixels that change color in response to electrical signals. For example, the display module 753 may include a liquid crystal display (LCD). iquid crystal display, thin film transistor liquid crystal display (thin film transistor-liquid crystal dis play), organic light-emitting diodes (OLEDs) iode, flexible display, 3D At least one of the displays (3D display) may be included. Module 754 controls call signal reception, talk mode, recording mode, and voice recognition. audio data received from the wireless communication unit 710 in the broadcast reception mode, and audio data stored in the memory unit 760 can be output.

[0320] The optical device 10B can include a memory unit 760. The memory unit 760 can include a control unit 780. A program for processing and controlling the memory unit 780 can be stored in the memory unit 780. 60 is input / output data, such as phone book, message, audio, still image, The memory unit 760 can store at least one of a photo and a video. Images captured by 721, such as photos or videos, can be stored.

[0321] The optical device 10B may include an interface section 770. The unit 770 serves as a passageway for connecting with an external device connected to the optical device 10B. The interface unit 770 receives data from an external device, receives power supply, and operates optically. The data in the optical device 10B is transmitted to each component in the device 10B, and the data in the optical device 10B is transmitted to an external device. The interface unit 770 can be configured to transmit the signal to a wired / wireless headset. port, external charger port, wired / wireless data port, memory card card) port, port for connecting devices equipped with an identification module, audio I / O (Input / Output) port, Video I / O (Input / Output) port The device may include one or more of a port, a headphone port, and an earphone port.

[0322] The optical device 10B may include a controller 780. ) 780 can control the overall operation of the optical device 10B. It can perform related control and processing for voice calls, data communications, video calls, etc. The control unit 780 controls the display module 753, which is the display of the optical device 10B. The control unit 780 may include a display control unit 781 for controlling the camera device. The control unit 780 may include a camera control unit 782 that controls the multimedia The multimedia module 783 may include a multimedia module for playing back multimedia content. The module 783 may be provided within the control unit 180 or may be provided separately from the control unit 780. The control unit 780 may also be configured to control handwriting input or drawing input made on the touch screen. It is possible to perform pattern recognition processing that can recognize characters and images.

[0323] The optical device 10B may include a power supply unit 790. The power supply unit 790 is configured to control The operation of each component is controlled by the external power supply or the internal power supply under the control of the unit 780. It can supply the necessary power.

[0324] Although the first and second embodiments of the present invention have been described separately, a portion of the configuration of the first embodiment is different from that of the second embodiment. A part of the configuration of the second embodiment may be included in the first embodiment. A modified example of the present invention may include both a part of the configuration of the first embodiment and a part of the configuration of the second embodiment. The corresponding structure of the embodiment in which one of the first and second embodiments has a different structure As an example, the lens driving device 10 according to the second embodiment is replaced by the first embodiment. The first lens driving device 1000 and the second lens driving device can be substituted for each other. That is, in the modified example, the lens driving device 10 of the second embodiment can be replaced with the first lens driving device 100. 0 can be dually arranged. Alternatively, the lens driving device 10 of the second embodiment can be It can be dually arranged with the second lens driving device 2000. The lens driving device 10 is composed of a first lens driving device 1000 and a second lens driving device 2000. It can be arranged in triples alongside.

[0325] The embodiments of the present invention have been described above with reference to the accompanying drawings. A person skilled in the art would understand that the present invention does not change the technical idea or essential features of the present invention. It should be understood that the present invention may be embodied in other specific forms. It should be understood that the examples are illustrative in all respects and not restrictive. It won't happen.

Claims

1. a first camera module and a second camera module; The first camera module includes a first cover and a first bobbin disposed within the first cover. , first to third magnets arranged at first to third corners of the first cover; and a first dummy member disposed at a fourth corner of the first cover, The second camera module includes a second cover and a second bobbin disposed within the second cover. , fourth to sixth magnets arranged at the fifth to seventh corners of the second cover; and a second dummy member disposed at an eighth corner of the second cover, The first dummy member is adjacent to the sixth magnet among the fourth to sixth magnets. 、 The second dummy member is adjacent to the third magnet among the first to third magnets. , camera module.

2. The second dummy member is a magnet that is made of the second magnet, the third magnet, and the fourth magnet.

10. The camera module of claim 1, wherein the camera module is arranged collinearly with the camera.

3. The second dummy member is disposed between the third magnet and the fourth magnet.

10. The camera module of claim 1.

4. The first side wall of the first camera module faces the fifth side wall of the second camera module. The camera module of claim 1 .

5. a sensing magnet disposed at at least one of the fourth corner and the eighth corner; The camera module of claim 1 including a net.

6. 6. The method according to claim 5, further comprising: providing a position sensor disposed at a position corresponding to the sensing magnet. The camera module according to claim 1.

7. The sensing magnet is provided on at least one of the first dummy member and the second dummy member. The camera module of claim 5 , wherein the camera module is positioned above the camera module.

8. The first dummy member and the second dummy member have grooves in which sensing magnets are disposed. The camera module of claim 5 , comprising:

9. 2. The method of claim 1, wherein the second magnet and the first dummy member are disposed diagonally opposite each other. The camera module according to claim 1.

10. a first camera module and a second camera module; The first camera module includes a first cover and a first bobbin disposed within the first cover. a first magnet disposed at a first corner to a third corner of the first cover; a first dummy member disposed at a fourth corner of the first cover; The second camera module includes a second cover and a second bobbin disposed within the second cover. , second magnets arranged at the fifth to seventh corners of the second cover, and a second dummy member disposed at an eighth corner of the second cover; The fourth corner is adjacent to the seventh corner among the fifth to eighth corners, The third corner is adjacent to the eighth corner among the fifth to eighth corners. La module.

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