Lens drive device and camera module

Abstract

To solve the problem that distances between camera modules are narrow and mutual magnetic field interference occurs in a conventional dual camera module.SOLUTION: The lens driving device comprises: a housing; a bobbin disposed in the housing; a magnet and a dummy member arranged at the housing; a first coil disposed on the bobbin; and a board including a second coil facing the magnet. The housing includes a first side portion and a second side portion facing each other, and a third side portion and a fourth side portion facing each other. The magnet includes a first magnet unit disposed at the first side portion, a second magnet unit disposed at the third side portion, and a third magnet unit disposed at the fourth side portion. The dummy member is disposed at the second side portion.SELECTED DRAWING: Figure 3

Description

Technical Field

[0001] This embodiment relates to a lens driving device and a camera module.

Background Art

[0002] The content described below only provides background information for this embodiment and does not describe the prior art. Therefore, it is not.

[0003] With the widespread popularity of various mobile terminals and the commercialization of wireless Internet services, the needs of consumers related to mobile terminals have diversified, and various additional devices have been attached to mobile terminals. Among them, a typical one is a camera module that captures a subject as a photo or video. On the other hand, in recent years, a dual camera module in which two camera modules are arranged side by side has been studied.

[0004]

[0005]

[0006]

Summary of the Invention

Problems to be Solved by the Invention

[0007] This embodiment aims to provide a structure that can eliminate the mutual interference between magnets in the structure of a dual OIS lens driving device.

[0008] Furthermore, it aims to provide a structure that ensures the length of the z-axis of the magnet to secure the magnetic force of the magnet for AF driving with the above structure.

Means for Solving the Problems

[0009] The lens drive device according to this embodiment includes a housing; and a bobbin placed inside the housing. n; magnets arranged in the housing; first coils arranged in the bobbin; and The housing includes a substrate containing a second coil facing the magnet, and the housing faces each other. It includes a first side and a second side that are in contact with each other, and a third side and a fourth side that are facing each other, and the magnet The set includes a first magnet unit positioned on the first side and a third side Includes a second magnet unit and a third magnet unit located on the fourth side. The first magnet unit is a two-pole magnet, and the second magnet unit and the front The third magnet unit may be a 4-pole magnet.

[0010] The first coil comprises a first coil unit facing the second magnet unit, and a front This may include a second coil unit facing the third magnet unit.

[0011] The first coil further includes a connecting portion that connects the first coil unit and the second coil unit, and the connecting portion of the first coil can be disposed between the first magnet unit and the bobbin or between the dummy member and the bobbin. The first coil includes a first coil unit that faces the second magnet unit in the horizontal direction and a second coil unit that faces the third magnet unit in the horizontal direction. The second coil can include a third coil unit that faces the first magnet unit in the vertical direction, a fourth coil unit that faces the second magnet unit in the vertical direction, and a fifth coil unit that faces the third magnet unit in the vertical direction. The substrate includes a hole, and the hole of the substrate can be formed closer to one side surface of the substrate adjacent to the dummy member.

[0012] The first coil includes a first coil unit that faces the second magnet unit in the horizontal direction and a second coil unit that faces the third magnet unit in the horizontal direction. The second coil can include a third coil unit that faces the first magnet unit in the vertical direction, a fourth coil unit that faces the second magnet unit in the vertical direction, and a fifth coil unit that faces the third magnet unit in the vertical direction. The second magnet unit and the third magnet unit can move the bobbin in the optical axis direction, and the first magnet unit, the second magnet unit, and the third magnet unit can move the housing in a direction perpendicular to the optical axis direction. [[ID=X]]The second magnet unit and the third magnet unit can move the bobbin in the optical axis direction, and the first magnet unit, the second magnet unit, and the third magnet unit can move the housing in a direction perpendicular to the optical axis direction. Each of the second magnet unit and the third magnet unit includes a first surface that faces the first coil, and the first surface can have two poles. Each of the first to third magnet units includes a second surface that faces the second coil, and the second surface can have two poles.

[0013] The substrate includes a hole, and the hole of the substrate can be formed closer to one side surface of the substrate adjacent to the dummy member.

[0014] The second magnet unit and the third magnet unit can move the bobbin in the optical axis direction, and the first magnet unit, the second magnet unit, and the third magnet unit can move the housing in a direction perpendicular to the optical axis direction. The second magnet unit and the third magnet unit can move the bobbin in the optical axis direction, and the first magnet unit, the second magnet unit, and the third magnet unit can move the housing in a direction perpendicular to the optical axis direction.

[0015] Each of the second magnet unit and the third magnet unit includes a first surface that faces the first coil, and the first surface can have two poles.

[0016] Each of the first to third magnet units includes a second surface that faces the second coil, and the second surface can have two poles. ​​​​

[0017] The lens driving device according to this embodiment includes a housing; a bobbin disposed in the housing; a first coil disposed on the bobbin; a magnet disposed on the housing; and a first substrate including a second coil facing the magnet, the housing includes a first side portion and a second side portion facing each other, and a third side portion and a fourth side portion facing each other, and the magnet includes a first magnet unit disposed on the first side portion of the housing, a second magnet unit disposed on the third side portion of the housing, and a third magnet unit disposed on the fourth side portion of the housing, the first coil includes a plurality of coil units, the plurality of coil units include a first coil unit facing the second magnet unit, and a second coil unit facing the third magnet unit, and there is no such coil unit disposed between the bobbin and the first magnet unit.

[0018] The lens driving device according to this embodiment includes a housing; a bobbin disposed in the housing; a magnet and a dummy member disposed on the housing; a first coil disposed on the bobbin; and a substrate including a second coil facing the magnet, the housing includes a first side portion and a second side portion facing each other, and a third side portion and a fourth side portion facing each other, and the magnet includes a first magnet unit disposed on the first side portion, a second magnet unit disposed on the third side portion, and a third magnet unit disposed on the fourth side portion, and the dummy member can be disposed on the second side portion.

[0019] The lens drive device according to this embodiment includes a housing; and a bobbin placed inside the housing. n; magnets arranged in the housing; first coils arranged in the bobbin; and The housing includes a substrate containing a second coil facing the magnet, and the housing faces each other. It includes a first side and a second side that are in contact with each other, and a third side and a fourth side that are facing each other, and the magnet The set includes a first magnet unit positioned on the first side and a third side Includes a second magnet unit and a third magnet unit located on the fourth side. The first magnet unit is a two-pole magnet, and the second magnet unit and the front The third magnet unit may be a 4-pole magnet.

[0020] The first coil includes a plurality of coil units, and the plurality of coil units are the A first coil unit facing the second magnet unit, and the third magnet unit It may include a second coil unit facing the other.

[0021] The coil unit is not positioned between the bobbin and the first magnet unit. Sometimes.

[0022] The coil unit may not be positioned between the bobbin and the dummy member. .

[0023] The first magnet unit is a two-pole magnet, and the front of the second magnet unit The third magnet unit may be a 4-pole magnet.

[0024] The housing may include a dummy member positioned on the second side.

[0025] The second coil may not be placed between the dummy member and the substrate.

[0026] The aforementioned dummy member may include a non-magnetic material.

[0027] The first coil is a connector that connects the first coil unit and the second coil unit. The connection portion of the first coil further includes the first magnet unit and the bobbin It can be placed between the two or between the dummy member and the bobbin.

[0028] The substrate includes a hole, and the hole in the substrate is shaped to be closer to one side of the substrate. It can be done.

[0029] The one side surface of the substrate can be adjacent to the dummy member.

[0030] The shortest distance from the other side opposite to the one side of the substrate to the hole is the one This distance may be greater than the shortest distance from the side to the aforementioned hole.

[0031] The first coil is a first coil unit that is horizontally opposed to the second magnet unit. The set includes the third magnet unit and the second coil unit which is horizontally opposed to it. Furthermore, the second coil is a third coil unit that faces the first magnet unit perpendicularly. The knit, the second magnet unit and the fourth coil unit facing the second magnet unit and , including the third magnet unit and the fifth coil unit facing the vertical direction. It is possible.

[0032] The first coil unit and the second coil unit have an elliptical shape, a track shape, and a closed curve. The linear shape can have at least one of the following shapes.

[0033] The second magnet unit and the third magnet unit move the bobbin in the optical axis direction. Move the first magnet unit, the second magnet unit and the third magnet unit to the same position. The magnet unit can move the housing in a direction perpendicular to the optical axis.

[0034] The bobbin includes a first projection and a second projection located on the opposite side of the first projection, The first coil unit is positioned to cover the first projection, and the second coil unit It can be positioned to cover the second projection.

[0035] The lens drive device is positioned on top of the bobbin and the housing An upper elastic member that connects to the upper elastic member and the substrate; and a support member that connects to the upper elastic member and the substrate, further Including the first coil unit and the second coil unit, the first coil unit and the second coil unit are electrically connected, The upper elastic member includes a first upper elastic unit and a second upper elastic unit that are separated from each other. One end of the first coil unit is coupled to the first upper elastic unit, and the second One end of the coil can be coupled to the second upper elastic unit.

[0036] Each of the second magnet unit and the third magnet unit is connected to the first coil It includes a first surface facing the other, and the first surface may have two poles.

[0037] Each of the first to third magnet units includes a second surface facing the second coil. Furthermore, the second surface can have two poles.

[0038] The camera module according to this embodiment includes the first lens drive device and the first lens drive The device may include a second lens drive device adjacent to it.

[0039] The second lens drive device is adjacent to the fourth side of the housing of the first lens drive device. The second lens drive device is arranged such that the housing of the second lens drive device is located there. A bobbin placed inside the sing; placed on the outer circumferential surface of the bobbin of the second lens drive device. Third coil; located in the housing of the second lens drive device and facing the third coil. A magnet; and a fourth coil facing the magnet of the second lens drive device. Including a substrate, the magnet of the second lens drive device is located in the housing of the second lens drive device. It may include four magnetic units positioned at the corners of the ring.

[0040] The dual camera module according to this embodiment includes a first lens drive device and the first lens The first lens drive includes a second lens drive device which includes a second surface facing the first surface of the drive device, and the first lens drive The moving mechanism consists of a housing; a bobbin placed inside the housing; and a bobbin placed inside the bobbin. A first coil; a magnet disposed in the housing and facing the first coil; front A base located beneath the housing; including a second coil facing the magnet. A substrate placed on the base; placed above the bobbin and connecting the bobbin and the housing. Includes an upper elastic member that connects to the upper elastic member and the substrate, The magnet is positioned on the side of the housing, and the upper surface of the magnet is the upper The first part overlaps with the elastic member in the optical axis direction and does not overlap with the housing in the optical axis direction. It can include.

[0041] The upper surface of the magnet overlaps with the housing in the optical axis direction, and the upper elastic portion It further includes a second portion that does not overlap with the material in the direction of the optical axis, and the second portion on the upper surface of the magnet The upper plate of the housing can be placed on the side.

[0042] The first portion of the upper surface of the magnet can come into contact with the upper elastic member.

[0043] The dual camera module is coupled with the base by the first lens drive device. The housing further includes a cover that houses the housing, and the top plate of the housing has the cover A stopper can be positioned that protrudes toward the upper plate.

[0044] The housing comprises a first side portion positioned on the first surface side of the first lens drive device, and A second side portion is positioned on the opposite side of the first side portion, and a portion is positioned between the first side portion and the second side portion. The magnet includes a third side and a fourth side that are positioned opposite each other, and the magnet is the how A first magnet is positioned on the second side of the jigging, and a third magnet is positioned on the third side of the housing. It includes a second magnet and a third magnet positioned on the fourth side of the housing. It is possible.

[0045] A dummy member having a mass corresponding to the first magnet is provided on the first side of the housing. It can be placed.

[0046] The upper plate of the housing is positioned on each of the second, third, and fourth sides. Therefore, it may not be placed on the first side.

[0047] The lens drive device according to this embodiment includes a housing; and a bobbin placed inside the housing. n; first coil disposed on the bobbin; disposed on the housing and the first coil Opposing magnets; base positioned below the housing; opposite the magnets A substrate including a second coil and positioned on the base; positioned above the bobbin and the bobbin An upper elastic member that connects the bin to the housing; and a connection between the upper elastic member and the substrate. The housing includes a support member, and the magnet is positioned on the side of the housing. The upper surface of the net is positioned on the same plane as the upper surface of the housing to which the upper elastic member is connected. It is possible to do so.

[0048] The dual camera module according to this embodiment includes a first lens drive device and the first lens The first lens drive includes a second lens drive device which includes a second surface facing the first surface of the drive device, and the first lens drive The moving mechanism consists of a housing; a bobbin placed inside the housing; and a bobbin placed inside the bobbin. A first coil; a magnet positioned in the housing and facing the first coil; the A base positioned beneath the housing; and a second coil facing the magnet. The housing includes a substrate arranged on the base, and the housing is the first surface of the first lens drive device. A first side portion positioned on the side, a second side portion positioned on the opposite side of the first side, and the first side It includes a third side and a fourth side, which are positioned between the part and the second side and are on opposite sides of each other. The magnet comprises a first magnet positioned on the second side of the housing, and the A second magnet is positioned on the third side of the housing, and a fourth magnet is positioned on the fourth side of the housing. The second coil includes a third magnet, and the second coil is a first coil facing the first magnet. A coil unit, a second coil unit facing the second magnet, and the third magnet It includes a third coil unit facing the first coil unit, and the coil is wound in the first coil unit. The number may be greater than the number of times the coil was wound in the second coil unit.

[0049] A dummy member containing a non-magnetic material can be placed on the first side of the housing. .

[0050] The number of times the coil was wound in the third coil unit is equal to the number of times the coil was wound in the second coil unit. This can be correlated with the number of times it was wound.

[0051] The central axis of the bobbin is in the direction of the dummy member from the central axis of the first lens drive device. They can be positioned eccentrically.

[0052] The substrate includes a lens coupled to the bobbin and a corresponding through-hole, and the through-hole The lens can be positioned eccentrically on the first surface side of the first lens drive device.

[0053] The substrate has through holes, an inner circumferential surface formed by the through holes, and the housing A first side surface located on the first side of the ring, and a second side surface located on the second side of the housing. The first coil unit includes two sides, and is located between the inner surface of the substrate and the second side surface of the substrate. The second coil is positioned between the inner circumferential surface of the substrate and the first side surface of the substrate. It may not be placed.

[0054] The substrate has a first side surface that is positioned on the first surface side of the first lens drive device, and the first side A second side surface is located on the opposite side of the surface, and a second side surface is located between the first and second sides. It includes a third side and a fourth side located on the opposite side, and between the third side and the fourth side The distance between the first and second sides may be longer than the distance between the first and second sides.

[0055] The second coil comprises a first coil unit facing the first magnet, and the second magnet A second coil unit facing the magnet, and a third coil unit facing the third magnet. Including knitting, the longitudinal length of the first coil unit is equal to the length of the second coil unit. This may be longer than the longitudinal length of each of the third coil units.

[0056] The second lens drive device is housed in the housing of the second lens drive device. A bobbin in which the second lens drive device is positioned; a first coil positioned on the bobbin of the second lens drive device; the second It is positioned in the housing of the lens drive device and faces the first coil of the second lens drive device. A magnet; a base located below the housing of the second lens drive device; and the The second lens drive device includes a second coil facing the magnet of the second lens drive device. The base includes a substrate, and the magnet of the second lens drive device is the second lens Four corners located between the four sides of the housing of the drive unit It can include a magnet.

[0057] The lens drive device according to this embodiment includes a housing; and a bobbin placed inside the housing. n; first coil disposed on the bobbin; disposed on the housing and the first coil Opposing magnets and dummy member; base positioned below the housing; and the The housing includes a substrate placed on the base, which includes a second coil facing the magnet, and The part has a first side and a second side located on the opposite side of the first side, and the first side and the It includes a third side and a fourth side positioned between the two sides and on opposite sides, and the above The dummy member is positioned on the first side of the housing, and the magnet is located in the housing A first magnet positioned on the second side of the ring, and a third magnet positioned on the third side of the housing The second magnet and the third magnet located on the fourth side of the housing are included. The central axis of the bobbin is positioned eccentrically from the central axis of the housing to the dummy member. It is possible. [Effects of the Invention]

[0058] This embodiment minimizes mutual interference between magnets in a lens drive device structure for dual OIS. It can be transformed.

[0059] Furthermore, the aforementioned structure ensures sufficient magnetic force for AF drive. [Brief explanation of the drawing]

[0060] [Figure 1] This is a perspective view illustrating the dual camera module according to this embodiment. [Figure 2] This is a perspective view showing the first lens drive device and the second lens drive device according to this embodiment, with their respective covers removed. [Figure 3] This is a perspective view illustrating the arrangement structure of the magnets, coils, and dummy members of the first lens drive device and the second lens drive device according to this embodiment. [Figure 4] This is an exploded perspective view of the first lens drive device according to this embodiment. [Figure 5] This is an exploded perspective view of the first movable element of the first lens drive device according to this embodiment. [Figure 6] This is an exploded perspective view of the second movable element of the first lens drive device according to this embodiment. [Figure 7] This is an exploded perspective view of the stator of the first lens drive device according to this embodiment. [Figure 8] This is an exploded perspective view of the elastic member of the first lens drive device according to this embodiment. [Figure 9] This is a cross-sectional view of the first lens drive device according to this embodiment. [Figure 10] This is a cross-sectional view of a part of the first lens drive device according to this embodiment. [Figure 11] This is a partial plan view of the first lens drive device according to this embodiment. [Figure 12] This is an exploded perspective view of the second lens drive device according to this embodiment. [Figure 13] This figure illustrates the magnetic field distribution of the magnet in a dual camera module related to a comparative example. [Figure 14] This figure illustrates the magnetic field distribution of the magnet in the dual camera module according to this embodiment. [Figure 15] This is a perspective view of the optical instrument according to this embodiment. [Modes for carrying out the invention]

[0061] For the sake of explanation, some embodiments of the present invention will be described below with reference to illustrative drawings. However, The technical concept of the present invention is not limited to the embodiments described.

[0062] Furthermore, in describing the components of the embodiments of the present invention, the first, second, A, B, (a) Terms such as (b) can be used. Such terms refer to one component of another component. This is to distinguish it from other things, and the terminology does not indicate the essence, order, or sequence of the relevant components. It is not limited to certain things.

[0063] When it is stated that one component is 'linked' or 'combined' with another component, A component can be directly connected or joined to another component, but its constituent If an element and another element can be 'linked' or 'joined' by yet another element, It must be understood.

[0064] In the following, 'optical axis direction' is defined as the optical axis direction of the lens coupled to the lens drive device. On the other hand, the 'optical axis direction' can correspond to the 'up and down direction', the 'z-axis direction', and so on.

[0065] The 'autofocus function' used below refers to the function that captures 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 to obtain an image sensor. This function is defined as automatically focusing on the subject by adjusting the distance to it. On the other hand, 'autofocus' is often confused with 'AF (Auto Focus)'. It is possible.

[0066] The 'image stabilization function' used below refers to the function that corrects vibrations generated in the image sensor by external forces. A device that moves or tilts the lens perpendicular to the optical axis to counteract motion. It is defined as [ability]. On the other hand, 'image stabilization' is defined as 'OIS (Optical Image Stabilization)'. It is sometimes confused with 'tabilization'.

[0067] The configuration of the optical device according to this embodiment will be described below with reference to the drawings.

[0068] Figure 15 is a perspective view of the optical instrument according to this embodiment.

[0069] Optical instruments include mobile phones, smartphones, and portable smart devices. Equipment, digital cameras, notebook computers Digital broadcasting terminals, PDAs (Personal Digital Assistants) ts), PMP (Portable Multimedia Player) and Navigation It could be any of the following. However, the type of optical equipment is not limited to this and may include images or images. Any device used to photograph reality can also be referred to as an optical instrument.

[0070] The optical instrument may include a main body 1. The main body 1 may form the appearance of the optical instrument. Yes, it is possible. The main body 1 can house the camera module 3. One side of the main body 1 has a D The display unit 2 can be arranged on one side of the main body 1. Camera module 3 is positioned so that the camera is on the other side of the main body 1 (the side opposite to one side). Module 3 can be added.

[0071] The optical device may include a display unit 2. The display unit 2 is part of the main body 1. It can be placed on a surface. The display unit 2 displays images captured by the camera module 3. It can output an image.

[0072] The optical equipment may include a camera module 3. The camera module 3 is connected to the main unit 1. It can be placed inside the main body 1. The camera module 3 is housed inside the main body 1, at least in part. It can be accommodated. Camera module 3 can be provided in multiples. Camera Module 3 can be placed on one side of the main body 1 and on the other side of the main body 1. The Ra Module 3 can capture images of the subject. In this embodiment, the optical equipment A dual camera module can be applied to the camera module 3.

[0073] The configuration of the dual camera module according to this embodiment will be described below with reference to the drawings. .

[0074] Figure 1 is a perspective view illustrating a dual camera module according to this embodiment.

[0075] The dual camera module includes a first camera module and a second camera module. The dual camera module includes a first lens drive unit 1000 and a second lens drive unit. The first camera module may include a lens drive unit 2000. It may include 1000. The second camera module includes the second lens drive unit 2000 It can include. In this embodiment, each of the first and second lens drive devices 1000 and 2000 is It can perform autofocus and / or image stabilization functions. In this embodiment, the first and second lens drive units 1000 and 2000 are 'OIS module (Opt ical Image Stabilization Module)', 'OIS Action It could be called a 'tuner' or 'AF actuator'. Dual camera module This includes a first lens drive device 1000 including a first surface, and a second lens drive device 1000 including a second surface facing the first surface. It may include a lens drive device 2000. The first surface is the first lens drive device 10, which will be described later. One side of the cover 1100 of 00, and the second side is the second lens drive device 2000 which will be described later. It may be one side of cover 2100. The dual camera module is on printed circuit board 11 The first and second lens drive devices 1000, 2000 can be arranged side by side. In another embodiment, the printed circuit board 11 is separated and the first lens is placed on the first printed circuit board. The drive unit 1000 is positioned and the second lens drive unit 2000 is on the second printed circuit board. It may be placed.

[0076] A dual camera module may include a lens module. The module may include at least one lens. The lens module includes a lens and a battery. It may include a lens module. The lens module is coupled to the first lens drive unit 1000. A first lens module and a second lens module coupled to a second lens drive unit 2000. This may include the bobbin 1 of the first lens drive unit 1000. It can be coupled to 210. The first lens module is screw-coupled to bobbin 1210. It can be joined by tweezers and / or adhesive. The first lens module is connected to bobbin 12 It can be moved together with 10. The second lens module is the second lens drive unit 20 The second lens module can be coupled to bobbin 2210. It can be joined to 0 by screw coupling and / or adhesive. Second lens module It can be moved together with the bobbin 1210.

[0077] The dual camera module can include filters. The filters are infrared. A filter can be included. An infrared filter filters the image sensor in the infrared region. It can block incoming light. The infrared filter is a lens module and It can be placed between the image sensor and the infrared filter. The infrared filter drives the first lens. A first infrared filter and a second lens are positioned below the lens coupled to the device 1000. The drive unit 2000 includes a second infrared filter located below the lens. This is possible. For example, the infrared filter can be placed on the sensor bases 12 and 13. Yes, it is possible. As another example, the infrared filter is placed on base 1430, 2430. It is possible.

[0078] The dual camera module may include a printed circuit board 11. A first lens drive unit 1000 and a second lens drive unit 2000 are arranged on the road base plate 11. This can be done. At this time, between the printed circuit board 11 and the first lens drive device 1000 The first sensor base 12 can be positioned on the printed circuit board 11. A second sensor base 13 can be positioned between the two lens drive units 2000. The printed circuit board 11 is electrically connected to the first and second lens drive devices 1000 and 2000. They can be connected. An image sensor is placed on the printed circuit board 11. This is possible. The printed circuit board 11 can be electrically connected to the image sensor. ru.

[0079] The dual camera module may include an image sensor. - can be placed on the printed circuit board 11. The image sensor is printed It can be electrically connected to the circuit board 11. For example, the image sensor can be connected to a printer. Surface Mount Technology (SMT) is applied to the circuit board 11. It can be coupled by (ology). Another example is the image sensor, which is a printer. It can be connected to the circuit board 11 using flip-chip technology. The image sensor is positioned below the lens coupled to the first lens drive unit 1000. The first image sensor and the lower side of the lens coupled to the second lens drive unit 2000 It may include a second image sensor. The image sensor has a lens and light They can be positioned so that their axes align. That is, the optical axis of the image sensor and the lens. The optical axis can be aligned. The image sensor is an image sensor. The light illuminating the effective image area of ​​the image sensor can be converted into an electrical signal. A sensor is a CCD (charge coupled device). MOS (metal oxide semiconductor) ), it could be either CPD or CID.

[0080] The dual camera module may include a control unit. The control unit is a printed circuit board. It can be placed on plate 11. The control unit controls the first coil of the first lens drive device 1000. The direction, strength, and amplitude of the current supplied to coils 1220 and 1422 can be individually controlled. It can be controlled. The control unit controls the first coil 2220 and of the second lens drive device 2000. The direction, strength, and amplitude of the current supplied to the second coil 2422 can be individually controlled. Yes, it is possible. The control unit controls the first and second lens drive units 1000 and 2000 to autof Focus function and / or image stabilization function can be performed. Furthermore, the control unit can perform the first and Autofocus feedback control for the second lens drive units 1000 and 2000 And / or image stabilization feedback control can be performed.

[0081] The configuration of the first lens drive device will be described below with reference to the drawings.

[0082] Figure 2 shows the covers of the first lens drive device and the second lens drive device according to this embodiment. Figure 3 is a perspective view illustrating the removed state, and shows the first lens drive device and the second lens drive device according to this embodiment. A perspective view illustrating the arrangement structure of each magnet, coil, and dummy member of the lens drive device. In the figures, Figure 4 is an exploded perspective view of the first lens drive device according to this embodiment, and Figure 5 is an exploded perspective view of the first lens drive device according to this embodiment. Figure 6 is an exploded perspective view of the first movable element of the first lens drive device, and shows the first lens according to this embodiment. Figure 7 is an exploded perspective view of the second movable element of the lens drive device, and shows the first lens drive device according to this embodiment. Figure 8 is an exploded perspective view of the stator, and shows an exploded perspective view of the elastic member of the first lens drive device according to this embodiment. In the visual view, Figure 9 is a cross-sectional view of the first lens drive device according to this embodiment, and Figure 10 is a cross-sectional view of the first lens drive device according to this embodiment. Figure 11 is a cross-sectional view of a part of the first lens drive device, and shows the first lens drive device according to this embodiment. In a partial plan view of the arrangement, Figure 13 shows the magnet of the dual camera module according to the comparative example. Figure 14 is a diagram illustrating the magnetic field distribution of the dual camera module according to this embodiment. This is a diagram illustrating the magnetic field distribution of the network.

[0083] The first lens drive unit 1000 is a voice coil motor (Vcm, Voice Coi l Motor) is possible. Furthermore, the first lens drive device 1000 is OIS, OIS for Dual OIS is possible.

[0084] The first lens drive unit 1000 may include a cover 1100. It can be coupled with the base 1430. The cover 1100 connects to the housing 1310. It can be housed inside. The cover 1100 provides an external view of the first lens drive unit 1000. It can be formed. The cover 1100 may have a hexahedral shape with an open bottom. The bar 1100 may be nonmagnetic. The cover 1100 may be made of a metal material. The cover 1100 can be made of a metal plate. It can be connected to the ground portion of the lint circuit board 11. This allows the cover 11 00 can be grounded. Cover 1100 is electromagnetic interference (EMI, el It can block electromagnetic interference. In this case, cover 1100 can be referred to as 'EMI shielding can'.

[0085] The cover 1100 may include a top plate 1110 and side plates 1120. 0 is the upper plate 1110 and the outer periphery of the upper plate 1110 or It may include a side plate 1120 extending downward from the edge. Cover 1100 The lower end of the side plate 1120 can be positioned on the stepped portion 1434 of the base 1430. The inner surface of the side plate 1120 of the cover 1100 is joined to the base 1430 by adhesive. It is possible.

[0086] The top plate 1110 of the cover 1100 may include holes 1111. 1 can be formed in the upper plate 1110 of the cover 1100. Hole 1111 is The lens can be exposed on the upper side. Hole 1111 is the size of the lens and It can be formed by its shape. The size of hole 1111 is such that the lens module is a hole The lens module is shaped larger than its diameter so that it can be inserted and assembled via 1111. It can be done. Light entering through hole 1111 can pass through the lens. Yes, it is possible. At this time, the light that passes through the lens is converted into an electrical signal by the image sensor and displayed. It can be obtained as a statue.

[0087] The first lens drive device 1000 may include a first movable element 1200. 1200 can be coupled with a lens. The first movable element 1200 is an elastic member 1500. The first movable element 1200 can be connected to the second movable element 1300 via the second movable element. It can move through interaction with the child 1300. At this time, the first movable element 1200 It can move together with the lens. On the other hand, the first movable element 1200 moves during AF drive. This is possible. At this time, the first movable element 1200 can be referred to as the 'AF movable element'. Yes, it can. However, the first movable element 1200 can also move when the OIS is driven.

[0088] The first movable element 1200 may include a bobbin 1210. The bobbin 1210 is a how The bobbin 1210 can be placed inside or within the housing. The bobbin 1210 can be placed in the hole 1311 of the housing. The bobbin 1210 can be movably coupled to the housing 1310. It can move in the optical axis direction relative to it. A lens can be coupled to bobbin 1210. Yes, it is possible. The bobbin 1210 and the lens can be joined by screw coupling and / or adhesive. This is possible. The first coil 1220 can be connected to the bobbin 1210. An upper elastic member 1510 can be attached to the upper or upper surface of 10. Bobbin 121 A lower elastic member 1520 can be attached to the lower or lower surface of 0. Bobbin 1210 It can be bonded to the elastic member 1500 by heat fusion and / or adhesive. The adhesive used to bond the lens 1210 and the bobbin 1210 and the elastic member 1500 is ultraviolet Epoxy (ep) that cures by one or more of the following: UV light, heat, and laser. It could be oxy.

[0089] Bobbin 1210 may include hole 1211. Hole 1211 is bobbin 1 210 can be penetrated in the direction of the optical axis. The lens module is housed in hole 1211. It is possible. For example, on the inner circumferential surface of the bobbin 1210 that forms the hole 1211, Threads corresponding to those formed on the outer surface of the module can be formed.

[0090] The bobbin 1210 may include a projection 1212. The projection 1212 is located on the bobbin 121 It can be positioned on the side of 0. The projection 1212 protrudes from the side of the bobbin 1210. It can be formed as a single unit. The first coil 1220 is wound around the projection 1212. This is possible. As an example, the first coil 1220, which is already wound on the projection 1212, is coupled. It is possible. The projection 1212 can include the first projection 1212 and the second projection. The bobbin 1210 has a first projection 1212 located on the first side surface of the bobbin 1210, and the bobbin The second projection is located on the second side of the part 1210, which is located on the opposite side of the first side of the part 1210. Yes, it is possible. Each of the first projection 1212 and the second projection can be provided separately as two projections. For comparison, the first projection 1212 and the second projection are formed integrally without being separated. The first projection 1212 can be wound with the first coil unit 1221. Yes, it is possible. The second coil unit 1222 can be wound around the second projection.

[0091] The first movable element 1200 may include the first coil 1220. The first coil 1220 can be placed in the bobbin 1210. The first coil 1220 can be positioned between the bobbin and the housing 1310. It can be placed on the outer surface of 1210. The first coil 1220 is on the bobbin 1210. It can be directly wound. The first coil 1220 faces the magnet 1320. The first coil 1220 can interact electromagnetically with the magnet 1320. In this case, current is supplied to the first coil 1220 and electricity flows around the first coil 1220. When a magnetic field is formed, electromagnetic interaction occurs between the first coil 1220 and the magnet 1320. The action allows the first coil 1220 to move relative to the magnet 1320. The first coil 1220 may be a single coil formed as one unit.

[0092] The first coil 1220 may include ends for power supply. One end (leader wire) of Il 1220 is connected to the first upper elastic unit 1510a. The other end (leader wire) of coil 1220 is connected to the second upper elastic unit 1510b. This is possible. In other words, the first coil 1220 is electrically connected to the upper elastic member 1510. It is possible. More specifically, the first coil 1220 is sequentially connected to the printed circuit board 11, the board Power is supplied through 1410, the support member 1600, and the upper elastic member 1510. This is possible. In a modified example, the first coil 1220 is electrically connected to the lower elastic member 1520. It is possible.

[0093] The first coil 1220 is connected to the first coil unit 1221 and the second coil unit which are separated from each other. It may include a knit 1222. The first coil 1220 is a second magnet unit 1 The first coil unit 1221 is opposite to 322, and the third magnet unit 1323 is opposite It can include a second coil unit 1222 that faces the first coil unit 1221 and The second coil unit 1222 is positioned on the opposite side of the outer surface of the bobbin 1210, spaced apart from each other. The first coil unit 1221 has the upper and lower surfaces of the first projection 1212 The first projection 1212 can be wrapped around it. The first coil unit 1221 is The second coil unit 1222 can be inserted into and positioned on the first projection 1212. , can be inserted into and positioned on the second projection. The second coil unit 1222 is the second The first coil unit 1 can be wound around the second projection so as to cover the upper and lower surfaces of the projection. The 221 and the second coil unit 1222 can be referred to as 'spectacles coils'. The first coil unit 1221 and the second coil unit 1222 are elliptical in shape, track-shaped It can have at least one of the following shapes: a curved shape or a closed curve shape.

[0094] The first coil 1220 faces the first magnet unit 1321 of the magnet 1320. It may not be possible. More specifically, the first coil 1220 is connected to the magnet 132 It faces only the second magnet unit 1322 and the third magnet unit 1323 of 0. Simply doing so may prevent it from facing the first magnet unit 1321. The first coil unit 1221 is positioned opposite the magnet unit 1322. The second coil unit 1222 is positioned opposite the third magnet unit 1323. However, the first magnet unit 1321 has a divided configuration with the opposing first coil 1220. It may not be placed.

[0095] The first coil 1220 connects the first coil unit 1221 and the second coil unit 1222. It may include electrically connected connecting parts (not shown). Connecting part of the first coil 1220 This may be a connecting coil (not shown). The connecting portion of the first coil 1220 is the first coil One end of knit 1221 and one end of the second coil unit 1222 are connected to each other. This is possible. The connection part of the first coil 1220 is the first coil unit 1221 and the second coil unit It can be positioned between the knit 1222. The connecting portion of the first coil 1220 is the first It can be opposed to the magnet unit 1321. In other embodiments, the first coil 1220 The connecting portion can face the dummy member 1330. Connecting portion of the first coil 1220 This is a dummy member placed between the first magnet unit 1321 and the bobbin 1210. It can be positioned between 1330 and bobbin 1210.

[0096] In this embodiment, between the first coil unit 1221 and the second magnet unit 1322 distance and / or between the second coil unit 1222 and the third magnet unit 1323 The distance (see L1 in Figure 11) can be between 60 μm and 150 μm. Bobbin 1210 and The distance between the first magnet unit 1321 and the first magnet unit (see L2 in Figure 11) is 60 μm to 2 It can be 00 μm.

[0097] The first lens drive device 1000 may include a second movable element 1300. 1300 can be movably coupled to the stator 1400 via a support member 1600. The second movable element 1300 supports the first movable element 1200 via the elastic member 1500. The second movable element 1300 can move the first movable element 1200 or the first movable element 12 It can move together with 00. The second movable element 1300 interacts with the stator 1400. It can be moved depending on the application. The second movable element 1300 can be moved when the OIS is driven. At this time, the second movable element 1300 can be called the 'OIS movable element'. The second movable element 1300 can move together with the first movable element 1200 when the OIS is driven.

[0098] The second movable element 1300 may include a housing 1310. The bobbin 1210 can be placed outside. The housing 1310 is inside or The housing 1310 can accommodate at least a portion of the bobbin 1210 inside. The cover 1100 can be placed inside (inside). The housing 1310 is It can be positioned between the bar 1100 and the bobbin 1210. The housing 1310 is The cover 1100 can be formed from a different material. The housing 1310 is insulating It can be formed from a material. The housing 1310 can be formed by injection molding. The outer side of the housing 1310 is separated from the inner surface of the side plate 1120 of the cover 1100. This is possible. Through the separation space between the housing 1310 and the cover 1100, the housing The housing 1310 can be moved for OIS drive. The magnet 1320 can be positioned. Housing 1310 and magnet 1320 They can be joined by adhesive. The top or upper surface of the housing 1310 The elastic member 1510 can be attached to the upper or lower surface of the housing 1310. The lower elastic member 1520 can be connected. The housing 1310 is elastic member 150 It can be joined to the housing 1310 and the mat by heat fusion and / or adhesive. The adhesive that joins the magnet 1320 and the housing 1310 to the elastic member 1500 is ultraviolet Epoxy (ep) that cures by one or more of the following: UV light, heat, and laser. It could be oxy.

[0099] The housing 1310 includes four sides and four corners positioned between the four sides. The housing 1310 is positioned on the first side of the first lens drive unit 1000. A first side portion, a second side portion located on the opposite side of the first side portion, and the space between the first side portion and the second side portion. It may include a third and a fourth side positioned opposite each other. The first side of the ring 1310 is positioned on the first surface side of the first lens drive device 1000. Yes, it is possible. The housing 1310 may include four sides, and the four sides may be separated from each other. For this purpose, they can be arbitrarily referred to as the 'first side' to the 'fourth side'. For example, the front Contrary to the explanation given, the second side is positioned on the first surface side of the first lens drive device 1000. It is possible.

[0100] The housing 1310 may include a hole 1311. A hole 1311 can be formed in the housing 1310. The hole 1311 allows light to enter the housing 1310. It can be formed to penetrate in the axial direction. The bobbin 1210 is placed in hole 1311. It can be done. Hole 1311 is in a shape that corresponds to bobbin 1210 in at least part of it. It can be formed in this shape. The inner circumferential surface of the housing 1310 that forms the hole 1311 is , it can be positioned at a distance from the outer surface of the bobbin 1210. However, the housing 131 0 and bobbin 1210 overlap at least partially in the optical axis direction of bobbin 1210 The movement stroke distance can be limited.

[0101] The housing 1310 may include a magnetic coupling portion 1312. A magnet 1320 can be attached to the joint 1312. 2 is a receiving groove formed by a recess in part of the inner circumferential surface and / or lower surface of the housing 1310. It may include the following: The magnetic coupling portion 1312 is located on the four sides of the housing 1310 Each can be formed. In a modified example, the magnetic coupling portion 1312 is in the housing 1 It can be formed at each of the four corners of 310.

[0102] The housing 1310 may include the top plate 1313. The Gnet 1320 may include an upper plate 1313 positioned above the upper surface. 13 can support the top surface of magnet 1320. Top plate 1313 and magnet Adhesive can be placed between 1320 and the top plate 1313. It can be positioned on the upper side of a portion of the top surface of 20. The top plate 1313 has a cover 1100. A stopper 1314 can be positioned to protrude toward the top plate 1110. 313 can be formed integrally with the housing 1310. The stopper 1314 is The upper plate 1313 can be formed integrally with the housing 1310. They can be positioned on the second, third, and fourth sides, respectively. In other words, three upper plates 1313 can be placed in the housing 1310. The upper plate 1313 is a dummy member. The housing 1310 in which 1330 is placed may not be located on the first side. The upper plate 1313 of the zing 1310 is the second side, third side and fourth side of the housing 1310 They may be placed in each of the sections and not in the first side of the housing 1310. On the upper part of the dummy member 1330, which is positioned on the first side of the housing 1310, The top plate 1313 of the g 1310 may not be placed. In other words, the housing 1310 is The lens coupled to bobbin 1210 may be asymmetrical with respect to its central axis.

[0103] The housing 1310 may include a stopper 1314. It can be placed on the top plate 1313. The stopper 1314 is one with the top plate 1313. It can be formed by the body. Two stoppers 1314 are provided for each top plate 1313. This can be done. In other words, a total of six stoppers 1314 are placed in the housing 1310. It can be done. The two stoppers 1314 are positioned at the ends on both sides of the top plate 1313, respectively. It can be done. The upper surface of the stopper 1314 forms the upper end of the housing 1310. It is possible. The stopper 1314 overlaps the upper plate 1110 of the cover 1100 in the optical axis direction. It can become so. In other words, if the housing 1310 continues to move upward, the stopper 13 The upper surface of 14 comes into contact with the upper plate 1110 of the cover 1100. Therefore, the stopper 1314 can limit the upward movement distance of the housing 1310.

[0104] The second movable element 1300 may include a magnet 1320. The magnet 1320 can be placed in the housing 1310. It can be fixed to 1310 with adhesive. Magnet 1320 is attached to bobbin 12 It can be placed between 10 and housing 1310. Magnet 1320 is It can face the first coil 1220. The magnet 1320 is opposite the first coil 1220. It can interact electromagnetically with the second coil 1422. It can be directed. The magnet 1320 interacts electromagnetically with the second coil 1422. It is possible. Magnet 1320 is used for both AF drive and OIS drive. The magnet 1320 can be positioned on the side of the housing 1310. At this time, magnet 1320 is a flat plate magnet with a flat plate shape. It may be a set. In a modified example, the magnet 1320 is located in the corner of the housing 1310. It can be done. At this time, the magnet 1320 has six sides, where the inner side is wider than the outer side. It could be a corner magnet with a faceted shape.

[0105] In this embodiment, the upper surface of the magnet 1320 overlaps with the upper elastic member 1510 in the optical axis direction. It may include a first part. The first part of the upper surface of the magnet 1320 is the housing 13 10 may not overlap in the direction of the optical axis. The first part of the top surface of magnet 1320 is the upper It can be exposed from the housing 1310 so as to face the elastic member 1510. The first portion of the upper surface of the net 1320 can come into contact with the upper elastic member 1510. The upper surface of the gnet 1320 includes a second portion that overlaps with the housing 1310 in the optical axis direction. This is possible. The upper part of the second portion on the top surface of the magnet 1320 is the upper plate 1 of the housing 1310. 313 can be positioned. The second part of the upper surface of magnet 1320 is the housing The upper plate 1313 of 1310 can be connected to the second part of the upper surface of the magnet 1320. The upper elastic member 1510 may not overlap with the optical axis direction. The surface has a third portion that does not overlap with the housing 1310 and the upper elastic member 1510 in the optical axis direction. It can also be included in the upper elastic member. In other words, the upper surface of the magnet 1320 is in the direction of the optical axis. The first part overlaps with 1510, and the second part overlaps with the upper plate 1313 of the housing 1310, The third part does not overlap with the upper elastic member 1510 and the upper plate 1313 of the housing 1310. It may include a third part. However, the third part may not exist.

[0106] In this embodiment, the upper surface of the magnet 1320 is the housing to which the upper elastic member 1510 is connected. It can be placed on the same plane as the top surface of 1310. Due to this structure, this implementation In the example, part of the housing 1310 may be omitted. In other words, the structure in question is A portion of the wedge 1310 is omitted, and the upper elastic member 1510 is placed in that area. It can be explained as follows: A portion of the upper surface of the magnet 1320 is connected to the upper elastic member 1510. It can be made to contact. Furthermore, another part of the top surface of magnet 1320 is housing 1 It can come into contact with the upper plate 1313 of 310.

[0107] Magnet 1320 can include multiple magnets spaced apart from each other. The 1320 can include three magnets spaced apart from each other. 20 may include first to third magnet units 1321, 1322, and 1323. Magnet 1320 is a first magnet located on the second side of housing 1310. The unit 1321 and the second magnet unit located on the third side of the housing 1310 The third magnet unit 1 is located on the fourth side of the housing 1310 and the part 1322. It may include 323. The first magnet unit 1321 is the second coil 1422 The first coil unit 1422a can be opposed to the second magnet unit 132. 2 is the second coil 1422, facing the first coil unit 1221 of the first coil 1220. The second coil unit 1422b can be opposed to the third magnet unit 13 23 is opposite the second coil unit 1222 of the first coil 1220 to the second coil 142 The second magnet unit 1 can face the third coil unit 1422c. 322 and the third magnet unit 1323 move the bobbin 1210 in the direction of the optical axis. Yes, it is possible. The first magnet unit 1321, the second magnet unit 1322, and the third The magnet unit 1323 moves the housing 1310 in a direction perpendicular to the optical axis. It is possible.

[0108] The first magnet unit 1321 is a 2-pole magnet. It is possible. In this embodiment, the second magnet unit 1322 and the third magnet unit 132 3 could be a 4-pole magnet. A 2-pole magnet is 2 It is a polarized magnet, and a four-pole magnet can be a four-pole magnetized magnet. In this embodiment This allows the magnet 1320 of the first lens drive unit 1000 and the second lens drive unit Magnetic field interference between the 2000 and magnet 2320 can be reduced. A comparative example is: The second magnet unit 1322 and the third magnet unit 1323 are two-pole magnets It is provided by Figure 13, which shows the magnetic field distribution of a comparative example. Furthermore, the magnetic field of this embodiment Figure 14 is a diagram illustrating the field distribution. Comparing Figure 14 with Figure 13 reveals the first lens drive mechanism. The magnet 1320 of the 1000 and the magnet 2320 of the second lens drive unit 2000 It can be confirmed that the magnetic field interference between them has been reduced or eliminated.

[0109] Each of the second magnet unit 1322 and the third magnet unit 1323 is the first It may include a first surface facing Il 1220. The first surface is positioned horizontally in the center. It may include a neutral region 1324. The neutral region 1324 is a neutral area and does not include poles. This may not always be the case. The first face has different poles at the top and bottom, relative to the neutral part 1324. This is possible. In other words, the upper side of the neutral part 1324 has a south pole, and the lower side of the neutral part 1324 has a north pole. It can have. In a modified example, the upper side of the neutral part 1324 has a north pole, and the neutral part 1324 The lower side can have a south pole. The vertical length of the neutral part 1324 (see L in Figure 10) is 0. It can be between 1 mm and 0.5 mm.

[0110] Each of the first to third magnet units 1321, 1322, and 1323 is connected to the second coil It may include a second face opposite to 1422 and a third face located on the opposite side of the second face. The second surface is the inner side, which is the central side of the first lens drive device 1000, and the third surface is the inner side It may be the outside, which is the opposite side. First to third magnet units 1321, 1322, Each of the 1323's second and third faces can have different poles. That is, the second face is the north pole. With this configuration, the third face can have a south pole. In a modified example, the second face has a south pole, and the third face It can have a north pole.

[0111] The second movable element 1300 may include a dummy member 1330. Housing 1310 A dummy member 1330 can be placed on the first side of the dummy member 1330. It may contain non-magnetic material. The dummy member 1330 is the first magnet unit 132 It can have a mass corresponding to 1. The dummy member 1330 is first for weight balance. It can be positioned in a location corresponding to the magnet unit 1321. Or, a dummy. The magnetic strength of component 1330 is weaker than the magnetic strength of the first magnet unit 1321. This is possible. The dummy member 1330 has its center of gravity on the opposite side of the first magnet unit 1321. It can be positioned to align them. The dummy member 1330 may be made of a non-magnetic material. The dummy component 1330 can be made of 95% or more tungsten. - Component 1330 may be a tungsten alloy. For example, the specific gravity of dummy component 1330 is It may be 18,000 or more. The entire upper surface of the dummy member 1330 is the housing 1310 or can be exposed. That is, the upper surface of the dummy member 1330 may overlap with or not be supported by the housing 1310 in the optical axis direction. The upper plate 1313 of the housing 1310 may not be disposed above the dummy member 1330. The second coil 1422 may not be disposed between the dummy member 1330 and the substrate 1410. The dummy member 1330 can include a shape for being assembled to the housing 1310. The dummy member 1330 can include protrusions protruding on both sides. The dummy member 1330 can include a shape for avoiding interference with adjacent operating parts. The dummy member 1330 can include a groove formed at a portion where the upper surface and the inner surface meet. The horizontal length of the outer surface of the dummy member 1330 may be shorter than the corresponding length of the first magnet unit 1321. The thickness of the dummy member 1330 can correspond to the thickness of the first magnet unit 1321. Or the thickness of the dummy member 1330 may be larger or smaller than the thickness of the first magnet unit 1321. The shape of the dummy member 1330 may be different from the shape of the first magnet unit 1321. In a variation, the shape of the dummy member 1330 can correspond to the shape of the first magnet unit 1321. The dummy member 1330 can be disposed at the same height as the first magnet unit 1321. Or the dummy member 1330 can be disposed higher or lower than the first magnet unit 1321. The upper end of the dummy member 1330 can be disposed at the same height as the upper end of the first magnet unit 1321. Or the upper end of the dummy member 1330

[0112] [[ID=!1]] ​​​​​​​​​​​​​​​​It can be positioned higher or lower than the upper end of the first magnet unit 1321. The lower end of the dummy member 1330 corresponds to the lower end of the first magnet unit 1321. It can be positioned at a certain height. Alternatively, the lower end of the dummy member 1330 is the first magnet It can be positioned higher or lower than the lower end of unit 1321, as shown in Figure 3. As shown, the dummy member 1330 is connected to the magnet 1320 of the first lens drive device 1000. It can be placed between the magnet 2320 of the 2 lens drive unit 2000. - Is the horizontal length of component 1330 the same as the horizontal length of the first magnet unit 1321, or It may be shorter or longer. The vertical length of the dummy member 1330 is the first magnet. The length may be the same as, shorter than, or longer than the width of the net unit 1321.

[0113] The first lens drive device 1000 may include a stator 1400. These can be positioned below the first and second movable elements 1200, 1300. Stator 1 400 can movably support the second movable element 1300. The stator 1400 is The second movable element 1300 can be moved. At this time, the first movable element 1200 can also move the second movable element. It can move along with Child 1300.

[0114] The stator 1400 may include a substrate 1410. The substrate 1410 contains a magnet 1 It may include a second coil 1422 opposite to 320. Alternatively, the substrate 1410 may be The circuit member 1420 may include a second coil 1422 facing the coil 1320. The circuit board 1410 can be placed on the base 1430. The circuit board 1410 is It can be placed between the wedge 1310 and the base 1430. The substrate 1410 The support member 1600 can be attached. The substrate 1410 supplies power to the second coil 1422. It can be supplied. The substrate 1410 can be coupled with the circuit member 1420. The substrate 1410 can be coupled to the second coil 1422. The substrate 1410 is a base It can be connected to the printed circuit board 11 located below 1430. Board 141 0 stands for Flexible Printed Circuit Board (FPCB). It may include a Circuit Board. The circuit board 1410 is partially bent. It is possible to do so.

[0115] The circuit board 1410 may include the main body 1411. The substrate 1410 may include a hole 1411a formed in 1. It may include a lens coupled to and a corresponding hole 1411a. It can be positioned eccentrically on the first surface side of the first lens drive device 1000. (Embodiment) Therefore, with this eccentric arrangement structure of holes 1411a, the first coil unit 1422a The base 1430, substrate 1410 and circuit member 1420 are used to increase the number of turns. One or more of the following spaces can be secured. Hole 1411a of substrate 1410 This can be formed closer to one side of the substrate 1410. One side can be adjacent to the dummy member 1330. The opposite side of one side of the substrate 1410. The shortest distance from one side to hole 1411a is the distance from one side to hole 1411a. It can be greater than the shortest distance.

[0116] The substrate 1410 includes a hole 1411a, an inner peripheral surface formed by the hole 1411a, a first side surface disposed on the first side portion side of the housing 1310, and a second side surface disposed on the second side portion side of the housing 1310. The distance (see W4 in FIG. 7) between the inner peripheral surface of the substrate 1410 and the second side surface of the substrate 1410 may be longer than the distance (see W3 in FIG. 7) between the inner peripheral surface of the substrate 1410 and the first side surface of the substrate 1410. A first coil unit 1422a may be disposed between the inner peripheral surface of the substrate 1410 and the second side surface of the substrate 1410. The second coil 1422 may not be disposed between the inner peripheral surface

[0117] of the substrate 1410 and the first side surface of the substrate 1410. The substrate 1410 may include a first side surface disposed on the first surface side of the first lens driving device 1000, a second side surface disposed on the opposite side of the first side surface, and a third side surface and a fourth side surface disposed between the first side surface and the second side surface and disposed on opposite sides of each other. At this time, the distance (see W1 in FIG. 7) between the third side surface and the fourth side surface may be longer than the distance (see W2 in FIG. 7) between the first side surface and the second side surface. In this

[0118] embodiment, the above structure can ensure a space in which the longitudinal length (L1) of the first coil unit 1422a can be formed longer than the longitudinal lengths (L2) of the second and third coil units 1422b and 1422c. It can be exposed on the side. Terminal section 1412 is a pre-located underside of base 1430. It can be connected to the terminal circuit board 11 by soldering. The sub-part 1412 can be placed in the terminal housing portion 1433 of the base 1430.

[0119] The substrate 1410 may include circuit components 1420. The stator 1400 may include circuit components It may include 1420. The circuit member 1420 is placed on the base 1430. Yes, it is possible. The circuit component 1420 can be placed on the substrate 1410. 0 can be placed between magnet 1320 and base 1430. Here, Although it is explained that the circuit component 1420 has a different configuration from the substrate 1410, the circuit component 1420 is based This can be understood as the configuration included in plate 1410.

[0120] The circuit component 1420 may include a substrate portion 1421. It can be a board. The substrate portion 1421 can be an FPCB. The substrate portion 1421 has a second coil 1422 is a fine pattern coil (FP coil). ) can be formed as a single unit. The substrate portion 1421 has a hole through which the support member 1600 passes. A hole can be formed. A hole 1421a is formed in the substrate portion 1421. This is possible. The hole 1421a of the substrate 1421 is opposite the hole 1411a of the substrate 1410. It can be formed in a corresponding manner.

[0121] The circuit component 1420 may include a second coil 1422. The second coil 1422 is The second coil 1422 can be opposed to the magnet 1320. It can interact electromagnetically with 20. In this case, current is supplied to the second coil 1422. When a magnetic field is formed around the second coil 1422, the second coil 1422 and the magnet The electromagnetic interaction between the magnet 1320 and the second coil 1422 causes the magnet 1320 to move with the second coil 1422 It can move relative to it. The second coil 1422 is electromagnetic with the magnet 1320. Through interaction, the housing 1310 and bobbin 1210 are aligned with the base 1430. It can be moved vertically. The second coil 1422 is integrated with the substrate portion 1421. The resulting fine pattern coil (FP coil) ) is possible.

[0122] The second coil 1422 is opposite the first coil unit 1321. To 1422a and the second coil unit 142 facing the second magnet unit 1322 2b includes a third coil unit 1422c facing the third magnet unit 1323. It is possible to do so. The number of times the coil is wound in the first coil unit 1422a is equal to the second coil The number of turns may be greater than the number of times the coil was wound in unit 1422b. Third coil unit 1 The number of times the coil was wound in 422c is equal to the number of times the coil was wound in the second coil unit 1422b. The number of times can be correlated. In this embodiment, the movement in the X-axis direction during OIS drive is controlled by the first coil Movement in the Y-axis direction is performed via the knit 1422a, and the second coil unit 1422b and the third This can be done via the coil unit 1422c. Therefore, in this embodiment, the X-axis direction To compensate for the insufficient thrust, the number of turns of the first coil unit 1422a Make the number of turns higher than that of the second coil unit 1422b and the third coil unit 1422c. This can be done. For example, the number of turns of the first coil unit 1422a and the second coil unit The ratio of turns in coil 1422b (or the third coil unit 1422c) is 1.5:2. The ratio can be 0 to 1:1. This is the second coil unit 1422a positioned opposite the first coil unit 1422a. This is to compensate for the fact that coil 1422 is not positioned. In other words, the first coil The number of turns of knit 1422a and the second coil unit 1422b (or third coil unit) The ratio of turns in (1422c) can be arranged up to 1.5:2.0 due to spatial constraints. This is possible. The longitudinal length of the first coil unit 1422a (see L1 in Figure 7) is The longitudinal lengths of each of the 2nd coil unit 1422b and the 3rd coil unit 1422c ( It may be longer than L2 in Figure 7. The widthwise length of the first coil unit 1422a ( (See L3 in Figure 7) The second coil unit 1422b and the third coil unit 1422c It may be longer than the length in each width direction (see L4 in Figure 7).

[0123] In this embodiment, the central axis of the lens coupled to the bobbin 1210 (see C1 in Figure 9) is the first lens. Eccentricity from the central axis of the drive unit 1000 (see C2 in Figure 9) towards the dummy member 1330 It can be positioned as follows. The central axis (C1) of the bobbin 1210 is the housing 1310 It can be positioned eccentrically from the central axis (C2) in the direction of the dummy member 1330. At that time, the central axis of the lens (C1) is the central axis of the bobbin 1210 (C1) or the housing 1 The central axis of hole 1311 of 310 can be aligned. Furthermore, the first lens drive unit The central axis (C2) of 1000 and the central axis (C2) of housing 1310 can coincide. At this time, the central axis (C2) of the housing 1310 is the hole 13 of the housing 1310. If we consider the outer casing of housing 1310, which is not the central axis of 11, then it could be the central axis. Hole 1411a is positioned eccentrically on the first surface side of the first lens drive device 1000. This is possible. In this embodiment, the longitudinal direction of the first coil unit 1422a is determined by the above structure. The length (L1) is the longitudinal length of the second and third coil units 1422b and 1422c. This allows for securing a space that can be formed longer than (L2).

[0124] The stator 1400 may include a base 1430. The base 1430 is a housing It can be positioned below the 1310. The base 1430 is positioned below the substrate 1410. It can be placed. The substrate 1410 can be placed on the upper surface of the base 1430. The base 1430 can be coupled with the cover 1100. The base 1430 is pre It can be placed on the upper side of the circuit board 11.

[0125] Base 1430 may include hole 1431. Hole 1431 is base 1 It can be formed at 430. Hole 1431 penetrates the base 1430 in the direction of the optical axis. It can be formed in such a way. Light passing through the lens module through hole 1431 This light can be incident on the image sensor. In other words, light that has passed through the lens module. These are the holes 1421a in the circuit component 1420, the holes 1411a in the substrate 1410 and the base The light can pass through hole 1431 of hole 1430 and be incident on the image sensor.

[0126] The base 1430 may include a sensor coupling portion 1432. A second sensor (not shown) can be placed in 32. Sensor coupling part 1432 This can accommodate at least a portion of the second sensor. Sensor coupling portion 1432 This may include a groove formed by a recess in the upper surface of the base 1430. Sensor coupling 1432 can include two grooves. In this case, a second sensor is located in each of the two grooves. The magnet 1320 is positioned to detect movement in the X-axis and Y-axis directions. .

[0127] The base 1430 may include a terminal housing section 1433. The terminal portion 1412 of the circuit board 1410 can be arranged. The terminal housing portion 1433 is a base A groove may be formed by a portion of the side surface of S1430 being recessed inward. Terminal housing The width of 1433 is formed to correspond to the width of the terminal portion 1412 of the substrate 1410. Yes, it is possible. The length of the terminal housing section 1433 corresponds to the length of the terminal section 1412 of the circuit board 1410. It can be formed in this way.

[0128] The base 1430 may include a stepped portion 1434. The stepped portion 1434 is part of the base 14 It can be formed on the side surface of 30. The stepped portion 1434 surrounds the outer circumferential surface of the base 1430. It can be formed in such a way. The stepped portion 1434 is formed when the upper part of the side surface of the base 1430 is recessed. It can be formed by being submerged. Alternatively, the stepped portion 1434 is below the side surface of the base 1430. The part can be formed to protrude. The stepped part 1434 has the side plate 112 of the cover 1100. The lower end of 0 can be positioned.

[0129] The first lens drive device 1000 may include an elastic member 1500. 00 can be coupled to the bobbin 1210 and the housing 1310. Elastic member 15 00 can elastically support the bobbin 1210. The elastic member 1500 is less Both can have elasticity in some parts. The elastic member 1500 makes the bobbin 1210 movable. It can be supported. The elastic member 1500 supports the movement of the bobbin 1210 when the AF is driven. This is possible. At this time, the elastic member 1500 can be referred to as the 'AF support member'. Cut.

[0130] The elastic member 1500 may include an upper elastic member 1510. 0 can be positioned above the bobbin 1210. The upper elastic member 1510 is bobbin It can be coupled to the 1210 and the housing 1310. The upper elastic member 1510 is The upper elastic member 1510 can be coupled to the upper surface of the bin 1210. It can be connected to the upper surface of 10. The upper elastic member 1510 is connected to the support member 1600. This is possible. The upper elastic member 1510 can be formed from a leaf spring.

[0131] The upper elastic member 1510 is used in the conductive line for supplying electricity to the first coil 1220. It can be separated. The upper elastic member 1510 is the first upper elastic unit 1 which is separated from each other. It may include 510a and a second upper elastic unit 1510b. 1510a is coupled to one end of the first coil 1220, and the second upper elastic unit 1510b The upper elastic member 1510 and the first coil can be connected to the other end of the first coil 1220. Il 1220 can be joined by soldering.

[0132] The upper elastic member 1510 may include an outer portion 1511. It can be coupled to the wedge 1310. The outer part 1511 is on top of the housing 1310. It can be bonded to the surface. The outer part 1511 is a hook that connects to the projection of the housing 1310. It may include a groove or a groove. The outer part 1511 is attached to the housing 1310 by adhesive. It can be fixed in place.

[0133] The upper elastic member 1510 may include an inner portion 1512. The inner portion 1512 is a bobi It can be coupled to the bobbin 1210. The inner part 1512 is coupled to the upper surface of the bobbin 1210. The inner part 1512 has holes or grooves that connect to the projections of the bobbin 1210. It may include: The inner part 1512 is fixed to the bobbin 1210 by adhesive. It is possible.

[0134] The upper elastic member 1510 may include a connecting portion 1513. The connecting portion 1513 is external The side portion 1511 and the inner portion 1512 can be connected. The connecting portion 1513 is the outer portion 1 511 and the inner part 1512 can be elastically connected. The connecting part 1513 is elastic It can be held. In this case, the connecting part 1513 can be referred to as the 'elastic part'. The joint portion 1513 can be formed by folding it two or more times.

[0135] The upper elastic member 1510 may include a connecting portion 1514. The connecting portion 1514 supports It can be connected to the support member 1600. The connecting part 1514 is soldered to the support member 1600. It can be joined by attachment. The joining part 1514 is connected to the support member 1600. It may include a groove or a rib. The joint 1514 may extend from the outer part 1511. Yes, it is possible. The joint 1514 may include a bent portion that is formed by folding.

[0136] The elastic member 1500 may include a lower elastic member 1520. 0 can be positioned below the bobbin 1210. The lower elastic member 1520 is bobbin It can be coupled to the 1210 and the housing 1310. The lower elastic member 1520 is The lower elastic member 1520 can be coupled to the lower surface of the bin 1210. It can be coupled to the lower surface of 10. The lower elastic member 1520 is formed of a leaf spring. This is possible. The lower elastic member 1520 can be formed as a single unit.

[0137] The lower elastic member 1520 may include an outer portion 1521. It can be coupled to the siding 1310. The outer part 1521 is below the housing 1310. It can be bonded to the surface. The outer part 1521 is a hook that connects to the projection of the housing 1310. It may include a groove or a groove. The outer part 1521 is attached to the housing 131 by adhesive. It can be fixed to 0.

[0138] The lower elastic member 1520 may include an inner portion 1522. The inner portion 1522 is It can be coupled to the bin 1210. The inner part 1522 is coupled to the bottom surface of the bobbin 1210. The inner portion 1522 has a hole or groove that connects to a projection on the bobbin 1210. It may include the inner part 1522 which is fixed to the bobbin 1210 by adhesive. It is possible.

[0139] The lower elastic member 1520 may include a connecting portion 1523. The connecting portion 1523 is external The side portion 1521 and the inner portion 1522 can be connected. The connecting portion 1523 is the outer portion 1 521 and the inner part 1522 can be elastically connected. The connecting part 1523 is elastic It can be held. At this time, the connecting part 1523 can be called the 'elastic part'. The joint portion 1523 can be formed by folding it two or more times.

[0140] The first lens drive device 1000 may include a support member 1600. 00 may be a suspension wire. The support member 1600 is the housing 1310 It can be supported in a movable manner. The support member 1600 elastically supports the housing 1310. It can be supported. The support member 1600 can be elastic in at least part of it. The support member 1600 controls the movement of the housing 1310 and bobbin 1210 when the OIS is driven. It can be supported. At this time, the support member 1600 is referred to as the 'OIS support member'. This is possible. The support member 1600 can include multiple wires. Support member 160 0 can include four wires spaced apart from each other. As a comparative example, support member 16 00 can be formed from a leaf spring. The support member 1600 is the upper elastic member 1510 It can be coupled to the substrate 1410. The support member 1600 is the upper elastic member 1510 and It can be coupled to the circuit member 1420 of the substrate 1410. The support member 1600 is connected to the substrate 1 It is soldered to the underside of the circuit board 1410 by passing through the 410 holes. Alternatively, support member 16 00 is soldered to the underside of the circuit component 1420 by passing through the hole in the circuit component 1420. .

[0141] The first lens drive device 1000 has a damper (not shown) positioned on the support member 1600. The damper is positioned on the support member 1600 and the housing 1310. It is possible. The damper can be placed on the elastic member 1500. The damper is The elastic member 1500 and / or the support member 1600 are arranged on the elastic member 1500 and / or Alternatively, resonance phenomena originating from the support member 1600 can be prevented.

[0142] The first lens drive device 1000 may include a first sensor (not shown). The sensor may be an AF feedback sensor. The first sensor is located on bobbin 121. It can be placed at 0. For comparison, the first sensor is placed in the housing 1310. It can be placed. The first sensor can detect the movement of the first movable element 1200. The first sensor may include a Hall sensor. In this case, the Hall sensor is The magnet 1320 or another magnet senses the magnetic force of the bobbin 121 It can detect 0 and lens movement. The sensed value detected by the first sensor It can be used for AF feedback control.

[0143] The first lens drive device 1000 may include a second sensor. The second sensor is This could be a sensor for OIS feedback. The second sensor consists of base 1430 and substrate 1 It can be positioned between 410. The second sensor detects the movement of the second movable element 1300. It can be detected. The second sensor may include a Hall sensor. The Hall sensor senses the magnetic force of the magnet 1320 and the housing 1310 and the magnet The movement of net 1320 can be detected. Sensing value detected by the second sensor. This can be used for OIS feedback control.

[0144] The configuration of the second lens drive device will be described below with reference to the drawings.

[0145] Figure 12 is an exploded perspective view of the second lens drive device according to this embodiment.

[0146] The second lens drive device 2000 may be a voice coil motor (VCM).

[0147] The second lens drive unit 2000 may include a cover 2100. The housing 2310 can be housed inside. The cover 2100 is the base 2 It can be combined with 430.

[0148] The second lens drive device 2000 may include the first movable element 2200. The 2200 can move while AF is active.

[0149] The first movable element 2200 may include a bobbin 2210. The bobbin 2210 is a how It can be placed inside the jigging 2310. The bobbin 2210 is elastic member 1500 This allows it to be movably coupled to the housing 2310.

[0150] The first movable element 2200 may include the first coil 2220. The first coil 2220 can be placed on the bobbin 2210. The first coil 2220 is connected to the magnet 23 It can be opposed to 20. The electromagnetic between the first coil 2220 and the magnet 2320 Through this interaction, the first movable element 2200 can be driven by autofocus.

[0151] The second lens drive device 2000 may include a second movable element 2300. 2300 can move when OIS is driven. When OIS is driven, the first movable element 2200 is It can move together with the second movable element 2300.

[0152] The second movable element 2300 may include a housing 2310. The bobbin 2210 can be positioned on the outside. The housing 2310 has the bobbin on the inside. The bin 2210 can be housed in the housing 2310. The housing 2310 is a cover for the bobbin 2210. It can be placed between -2100.

[0153] The second movable element 2300 may include a magnet 2320. The first coil can be placed in the housing 2310. The magnet 2320 is connected to the first coil. It can be opposed to 2220. Magnet 2320 is opposed to the second coil 2422. It is possible. The magnet 2320 is positioned between the four sides of the housing 2310. It can be placed in the four corners. Magnet 2320 is located in each of the four corners. It can include four corner magnets to be placed.

[0154] The second lens drive unit 2000 may include a stator 2400. This allows the second movable element 2300 to be movably supported.

[0155] The stator 2400 may include a substrate 2410. The substrate 2410 is a base 143 It can be placed at 0. The substrate 2410 is connected to the housing 1310 and the base 1430. It can be placed between them. The substrate 2410 is a second opposite to the magnet 2320. The circuit component 2420 may include Il 2422. The substrate 2410 has a base 24 It can be placed at 30.

[0156] The substrate 2410 may include a terminal section 2412. It may include a terminal portion 2412 formed by the printing process. It can be connected to the circuit board 11 by soldering.

[0157] The substrate 2410 may include a circuit component 2420. The circuit component 2420 is part of the substrate And, on the substrate part, a fine pattern coil (FP coil, Fine Pattern coil) It may include a second coil 2422 formed by l). The circuit member 2420 is the second coil It can include coil 2422. The second coil 2422 is opposite the magnet 2320. This is possible. The electromagnetic interaction between the second coil 2422 and the magnet 2320 Therefore, OIS (Operational Information System) can be driven.

[0158] The stator 2400 may include a base 2430. The base 2430 is a housing It can be positioned below the 2310. The base 2430 supports the substrate 2410. It is possible.

[0159] The second lens drive device 2000 may include an elastic member 2500. 00 can be coupled to the bobbin 2210 and housing 2310. Elastic member 25 00 can support the movement of the bobbin 2210 when AF is driven. The elastic member 2500 is The upper elastic member 2510 may include the bobbin 2210. It can be positioned on the upper side and coupled to the bobbin 2210 and housing 2310. The elastic member 2500 may include a lower elastic member 2520. The lower elastic member 2520 is It is positioned below the bobbin 2210 and coupled to the bobbin 2210 and housing 2310. It is possible.

[0160] The second lens drive device 2000 may include a support member 2600. 00 can movably support the second movable element 2300. The support member 2600 is The upper elastic member 2510 and the substrate 2410 can be coupled together.

[0161] This embodiment addresses mutual interference between magnets in a voice coil motor (VCM) structure. I will try to propose a structure that eliminates this limitation.

[0162] In this embodiment, the magnet 1320 of the first lens drive device 1000 has three magnets It is composed of two 4-pole magnets and the remaining magnet is a 2-pole magnet. It could be a magnet. Two first coils 1220 are connected in series, and each has 4 poles Positioned opposite the magnet, it provides the necessary thrust during AF operation, and each magnet A second coil 1422 is positioned at the lower end to provide OIS thrust in the X and Y directions. This can be done. On the opposite side of the two-pole magnetized magnet, there is a dummy component (dum (my mass) is positioned and vibration (oscillatio) due to weight eccentricity during OIS operation This can prevent n).

[0163] In the mechanism configuration of this embodiment, two of the four sides of the bobbin 1210 are opposite each other. One coil 1220 is directly wound and instead of four magnets there are three magnets and a dummy part. The materials can be assembled into the housing. In the Y direction, there are two quad-pole magnetized magnets and The thrust is generated by a segmented configuration of one pair of second coils 1422, but in the X direction, there is a single two-pole magnetized... Since thrust is generated by the separate configuration of the Gnet and one second coil 1422, in the X direction The thrust force inevitably becomes small. To solve this, in this embodiment, the lens central axis (C1) is eccentrically positioned from the product's central axis (C2) towards the dummy member 1330 to create a two-pole magnet. The remaining space on the base 1430 side of the direction is used to turn the second coil 1422. The number of thrusters was increased to increase the thrust in the X direction.

[0164] When using only two-pole magnets as in the comparative example, the density of the magnetic field distribution of adjacent magnets As this increases, attractive or repulsive forces are generated between adjacent VCMs, affecting OIS control. Difficulties may arise. The magnetic field distribution for the comparative example is shown in Figure 13.

[0165] In this embodiment, by applying a 4-pole magnetized magnet, the two lens drive devices This can be achieved by reducing magnetic field interference between the magnets. This is illustrated in Figure 14. On the other hand, according to this embodiment, the repulsive force between adjacent VCMs due to magnetic field interference is ignored. When designed at this level, OIS control is possible while ignoring the effects of magnetic field interference.

[0166] In this example, the top surface of the magnet 1320 is in contact with the comparative example. The portion that constitutes the minimum injection thickness of the housing 1310 is removed, and the upper elastic member 151 The assembly surface of 0 and the top surface of magnet 1320 can be configured to coincide. Furthermore, in this embodiment, although it is on the same plane as the assembly surface of the upper elastic member 1510, the upper elastic The space that member 1510 does not pass through is completely filled with injection-molded material to create a stopper 13 The outer casing where 14 is located can form the upper plate 1313 of the housing 1310. When viewed from above (in top view), this embodiment is as shown in Figure 11. Although a portion of the top surface of the magnet 1320 is exposed, the gap between it and the cover 1100 is maintained. The upper plate of the housing 1310 is connected to the stopper 1314 of the housing 1310. The magnet 1320 can be mechanically restrained by 1313. In other words, in this implementation As an example, the mechanical constraint effect of magnet 1320 and the upward orientation of the upper surface of magnet 1320 are considered. It is possible to simultaneously ensure the effect of creating a visual representation.

[0167] As described above, all components constituting the embodiments of the present invention are either combined as a single unit or operate in combination. Although it has been described as such, the present invention is not necessarily limited to including all the components of the examples. No. In other words, the present invention includes one or more of the components of the embodiment, and these components It can also function more. Furthermore, the term 'includes' as described above is not specifically defined. Unless otherwise stated, this means that the relevant component may be present, so other components It is interpreted that, rather than excluding an element, it can also include other elements in addition to the element in question. It must be. Furthermore, the term 'placed' as described above is made with a separate component. The term is interpreted to include cases where the product is manufactured and then placed, as well as cases where it is manufactured as a single unit and then placed. It must.

[0168] The above explanation is merely illustrative in describing the technical concept of the present invention, and the technical aspects to which the present invention belongs are not fully explained. A person with ordinary skill in the field may, without departing from the essential characteristics of the present invention, Various modifications and alterations are possible. Therefore, the embodiments disclosed in this invention are based on the technical concept of the present invention. This is not meant to limit the idea, but to explain, and by such an example... The scope of the technical concept of this invention is not limited. The scope of protection of this invention is as follows: All technical ideas within the same scope should be interpreted accordingly, and the rights of this invention shall not apply. It must be interpreted as being included within the scope of benefit.

Claims

1. base; A housing that is separated from the base; and The housing includes a magnet and a second coil that interact to move the housing relative to the base, The aforementioned magnet includes a first magnet unit, a second magnet unit, and a third magnet unit. The second coil includes a third coil unit facing the first magnet unit, a fourth coil unit facing the second magnet unit, and a fifth coil unit facing the third magnet unit. The housing moves in the x-axis direction relative to the base due to the interaction between the first magnet unit and the third coil unit. The housing moves in the y-axis direction perpendicular to the x-axis direction relative to the base due to the interaction between the second magnet unit and the fourth coil unit and the interaction between the third magnet unit and the fifth coil unit. A camera module in which the number of times the coil is wound in the third coil unit is greater than the number of times the coil is wound in the fourth coil unit.

2. The camera module according to claim 1, wherein the length of the third coil unit in the width direction is longer than the length of the fourth coil unit in the width direction.

3. The camera module according to claim 1, wherein the length of the third coil unit in the longitudinal direction is different from the length of the fourth coil unit in the longitudinal direction.

4. The camera module according to claim 1, wherein the first magnet unit and the second magnet unit have different sizes from each other.

5. The camera module according to claim 1, wherein the first magnet unit is a two-pole magnet.

6. The camera module according to claim 1, wherein each of the second magnet unit and the third magnet unit is a four-pole magnet.

7. Includes a wire that supports the movement of the housing relative to the base, The camera module according to claim 1, wherein the magnet overlaps with the second coil in the longitudinal direction of the wire.

8. An upper elastic member connected to the upper end of the wire; and The camera module according to claim 7, further comprising a substrate connected to the lower end of the wire.

9. The camera module according to claim 8, wherein the second coil is electrically connected to the substrate.

10. The housing includes a first side and a second side arranged on opposite sides, and a third side and a fourth side arranged on opposite sides. The first magnet unit is positioned on the first side of the housing, The second magnet unit is positioned on the third side of the housing, The camera module according to claim 1, wherein the third magnet unit is located on the fourth side of the housing.

11. Includes a dummy member disposed on the second side of the housing, The camera module according to claim 10, wherein the dummy member has a weaker magnetic strength than the first magnet unit or contains a non-magnetic material.

12. The camera module according to claim 1, wherein the number of times the coil is wound in the third coil unit is greater than the number of times the coil is wound in the fifth coil unit.

13. The second magnet unit includes a first magnet portion having an N pole and a S pole, a second magnet portion having an S pole and an N pole and positioned on the first magnet portion, and a neutral portion positioned between the first magnet portion and the second magnet portion and having no polarity. The camera module according to claim 1, wherein the first magnet portion and the second magnet portion are separated in the optical axis direction by the neutral portion.

14. A bobbin disposed within the housing; and The bobbin includes a first coil, The second coil is positioned on the base, The camera module according to claim 1, wherein the magnet is arranged in the housing.

15. Includes an upper elastic member connecting the housing and the bobbin, The magnet includes an upper surface facing the upper elastic member, The camera module according to claim 14, wherein the upper surface of the magnet includes a first portion that overlaps with the upper elastic member in the optical axis direction but does not overlap with the housing, a second portion that overlaps with the housing in the optical axis direction but does not overlap with the upper elastic member, and a third portion that does not overlap with the upper elastic member and the housing in the optical axis direction.

16. The interaction between the first coil and the magnet causes the bobbin to move in the optical axis direction relative to the housing. The camera module according to claim 14, wherein no coil that interacts with the first magnet unit is disposed between the bobbin and the first magnet unit.

17. base; A housing separated from the aforementioned base; A magnet and a second coil that interact to move the housing relative to the base; and Includes a wire that supports the housing so that it can move relative to the base, The aforementioned magnet includes a first magnet unit, a second magnet unit, and a third magnet unit. The second coil includes a third coil unit facing the first magnet unit, a fourth coil unit facing the second magnet unit, and a fifth coil unit facing the third magnet unit. The housing moves in the first axial direction relative to the base due to the interaction between the first magnet unit and the third coil unit. The housing moves in a second axis direction perpendicular to the first axis direction relative to the base due to the interaction between the second magnet unit and the fourth coil unit. A camera module in which the number of times the coil is wound in the third coil unit is greater than the number of times the coil is wound in the fourth coil unit.

18. The camera module according to claim 17, wherein the length of the third coil unit in the width direction is longer than the length of the fourth coil unit in the width direction.

19. The camera module according to claim 17, wherein the first magnet unit and the second magnet unit have different sizes from each other.

20. Main unit; A camera module according to any one of claims 1 to 19, which is disposed on the main body, and An optical device, including a display positioned on the main body and outputting images captured by the camera module.

Images