Camera module

Abstract

To provide a camera module capable of enhancing the detection rate for movement in an optical axis direction of a lens assembly.SOLUTION: The camera module comprises: a housing 100; a lens assembly 200 arranged in the housing 100; a first driving portion 400 arranged in the lens assembly 200; a second driving portion 500 which is arranged in the housing 100 and which faces the first driving portion 400; a sensor magnets 700 arranged in the lens assembly 200 and extended in an optical axis direction; and a plurality of sensors 800 which are arranged in the housing 100 and which face the sensor magnets 700. The sensor magnets 700 and the lens assembly 200 are overlapped in a first direction that is vertical to the optical axis direction, and in a second direction that is vertical to the optical axis direction and the first direction.SELECTED DRAWING: Figure 2

Description

[Technical Field]

[0001] The present invention relates to a camera module. [Background technology]

[0002] The camera module takes pictures of objects and stores them as images or videos. They are installed in mobile devices such as mobile phones, notebooks, drones, and vehicles.

[0003] On the other hand, portable devices such as smartphones, tablet PCs, and notebooks have ultra It has a built-in small camera module, which is an image sensor. Autofocus (a) automatically adjusts the distance between the lens and the camera to align the focal length of the lens. Autofocus (AF) function can be performed.

[0004] In recent years, camera modules have become more and more popular for capturing long-distance objects through zoom lenses. Zoom up or zoom to increase or decrease the magnification of the body You can perform the zooming function of zoom out.

[0005] In recent years, camera modules have also become more sensitive to image stabilization. n,IS) technology to prevent camera movement due to unstable fixtures or user movement. It uses technology to correct or prevent camera shake caused by hand movements.

[0006] Such image stabilization (IS) technology includes optical image stabilization (OIS). Image stabilization technology using optical image stabilizer (OIS) technology and image sensor There are techniques, etc.

[0007] OIS technology compensates for movement by changing the path of light, The anti-shake technology using the sensor compensates for movement using mechanical and electronic methods. technology, and OIS technology is being adopted more and more.

[0008] On the other hand, the camera module has a zoom actuator for zooming function. The actuator is used, but the mechanical movement of the actuator When the wheel moves, friction torque occurs, and this friction torque reduces the driving force and consumes Technical problems such as increased power consumption and reduced control characteristics have arisen.

[0009] In particular, camera modules with multiple zoom lens groups To achieve the best optical performance, the alignment between the multiple lens groups is It is desirable to have good alignment between the lens groups and the image sensor. Decentering, which is when the center of the inter-sphere deviates from the optical axis, and tilting, which is when the lens tilts, Tilt: When the central axis of the lens group and the image sensor are not aligned, This can cause corner changes and defocusing, which can have a negative impact on image quality and resolution.

[0010] On the other hand, the friction torque resistance during lens movement for zooming function in camera modules is reduced. If you increase the separation distance in areas where friction occurs to When the lens movement is reversed, lens decentering and tilt become more severe. Technical issues and inconsistencies are occurring.

[0011] On the other hand, the higher the pixel count of an image sensor, the higher the resolution. The size of the pixel gets smaller, but the smaller the pixel, the less light it can receive in the same amount of time. Therefore, the higher the pixel count of the camera, the slower the shutter speed will be in a dark environment. The shaking of the image caused by shaking hands becomes more pronounced.

[0012] This allows you to capture distortion-free images using a high-resolution camera in dark nighttime or video situations. In recent years, OIS functions have become essential for this purpose.

[0013] On the other hand, OIS technology moves the camera lens and image sensor to change the optical path (Opti It is a method of correcting image quality by modifying the image path, and is particularly effective with OIS technology. It detects the movement of the camera through a gyro sensor. Based on this, the distance that the lens and image sensor should move is calculated.

[0014] For example, the OIS correction method is divided into two types: lens movement and module tilting. The lens movement method realigns the center of the image sensor with the optical axis. Only the lens inside the camera module moves. On the other hand, the module tilting method This method moves the entire module, including the lens and image sensor.

[0015] In particular, the module tilting method has a wider correction range than the lens movement method. Since the focal length between the lens and the image sensor is fixed, the image is distorted. This has the advantage of minimizing the cost.

[0016] On the other hand, in the case of the lens movement method, a position recognition sensor is used to detect the position and movement of the lens. For example, a Hall sensor is used. In the sensing method, a photoreflector is used to sense the movement of the module. However, both methods use a reflector to detect the movement of the camera user. A gyro sensor is used for this purpose.

[0017] The OIS controller adjusts the lens or module to compensate for user movement. It uses data detected by the gyro sensor to predict where it should move.

[0018] In recent years, technological trends have led to the demand for ultra-slim and ultra-compact camera modules. The camera module has space limitations for driving OIS, so it is not applicable to large cameras. OIS function is difficult to realize, and when OIS is applied, it becomes an ultra-slim and ultra-compact camera. There are problems that modules cannot achieve.

[0019] In addition, conventional OIS technology requires a solid lens assembly within the limited size of the camera module. The OIS driver is located on the side of the lens assembly, allowing for the size control of the lens to be used for the OIS. There is a problem that it is difficult to secure sufficient light due to limitations.

[0020] In particular, to achieve the best optical characteristics in a camera module, lens movement and module Through tilting, alignment between lens groups is well-matched when OIS is realized. However, conventional OIS technology has a problem of decentering (decrease in the spherical center between lens groups) that causes deviation from the optical axis. When tilt occurs, the angle of view changes and the focus shifts. This has resulted in problems that have a negative impact on image quality and resolution.

[0021] In addition, with conventional OIS technology, it is possible to achieve AF or Zoom at the same time as driving the OIS. Due to the space constraints of the camera module and the location of the drive unit in conventional OIS technology, The net and the AF or Zoom magnet are placed close to each other, causing magnetic interference. This can cause the OIS to not operate properly, resulting in decentering and tilt. There is a problem.

[0022] In addition, conventional OIS technology requires mechanical drive for lens movement and module tilting. However, this requires a driving device, which results in a complex structure and high power consumption.

[0023] On the other hand, the contents described in the paragraphs are merely for the purpose of present disclosure. ) and does not constitute prior art. Summary of the Invention [Problem to be solved by the invention]

[0024] The problem to be solved by the present invention is to improve the sensitivity to the movement of the lens assembly in the optical axis direction. The present invention provides a camera module that can improve the image quality.

[0025] The problem to be solved by the present invention is to provide a camera module with zooming function. A lens assembly driving device that can prevent friction torque generated when each lens group moves through and a camera module including the same.

[0026] The problem to be solved by the present invention is to provide a camera module that can capture images of various subjects through zooming. When the lens group moves, lens decentering and lens tilt may occur. The lens assembly prevents the center of the lens from misaligning with the center axis of the image sensor. The present invention provides a memory driver and a camera module including the same.

[0027] The problem to be solved by the present invention is to provide an ultra-slim and ultra-compact lens assembly. The present invention provides a camera module including the same.

[0028] In addition, the problem to be solved by the present invention is the lens assembly of the optical system when realizing OIS. Lens assembly that eliminates lens size limitations and ensures sufficient light output The present invention provides a driving device and a camera module including the same.

[0029] The problem to be solved by the present invention is that decentering and tilting during OIS implementation are Lens assembly that minimizes tilt phenomenon and provides the best optical characteristics. The present invention provides a motor driver and a camera module including the motor driver.

[0030] The problem to be solved by the present invention is the magnet for AF or Zoom when OIS is realized. Lens assembly driving device capable of preventing magnetic field interference with a camera module and camera module including the same The purpose is to provide

[0031] The problem to be solved by the present invention is to provide a lens assembly that can realize OIS with low power consumption. The present invention provides a motor driver and a camera module including the motor driver. [Means for solving the problem]

[0032] In order to achieve the above object, a camera module according to one aspect of the present invention comprises: a housing; a lens assembly disposed in the housing; the lens assembly a first drive unit disposed in the housing; and a second drive unit disposed in the housing and facing the first drive unit. A sensor magnet disposed on the lens assembly and extending in the optical axis direction. and a plurality of sensors disposed in the housing and facing the sensor magnet. The sensor magnet is perpendicular to the lens assembly in the optical axis direction. and a second direction perpendicular to the optical axis and the first direction. They are overlapped.

[0033] The length of the optical axis of the sensor magnet is equal to the moving speed of the lens assembly. It should be bigger than Torok.

[0034] The plurality of sensors include a first sensor and a second sensor spaced apart from the first sensor in the optical axis direction. A second sensor may be included that is spaced apart from the sensor.

[0035] Also, the distance between the first sensor and the second sensor and the lens assembly The total stroke of the sensor magnet is the length of the sensor magnet in the optical axis direction. It can respond to the needs.

[0036] Also, a first yaw lens is disposed between the lens assembly and the sensor magnet. It can contain

[0037] The first yoke has a surface facing the plurality of sensors in the sensor magnet. It can wrap all surfaces except for the one shown.

[0038] The lens assembly includes a first lens assembly and a second lens assembly. a second lens assembly disposed on one side of the lens barrel, and the sensor magnet is a first sensor magnet disposed on the first lens assembly; a second sensor magnet disposed in the assembly, The second sensor magnets are spaced apart from each other in a first direction perpendicular to the optical axis. It may have a length.

[0039] The first driving unit is a 1-1 driving unit disposed in the first lens assembly. , a first and second driving unit disposed on the second lens assembly, and the second driving unit a 2-1 driving section facing the 1-1 driving section, and a 2-2 driving section facing the 1-2 driving section; A drive unit may be included.

[0040] Also, a second yoke is disposed between the lens assembly and the first driving unit. The second yoke is disposed between the first driving unit and the first lens assembly. a second-first yoke disposed between the first-second driving unit and the second lens assembly; The second yoke may include a second yoke.

[0041] The first lens assembly includes a first lens barrel in which a first lens group is disposed. a first side surface disposed on one side of the first lens barrel; and the second lens assembly The lens barrel includes a second lens group and a second lens barrel. the first-first driving unit is disposed on the first side, and the first-first driving unit is disposed on the first side, The second driving unit is disposed on the second side, and the first sensor magnet is disposed on the first level. The second sensor magnet is disposed in a space between the lens barrel and the first side surface. The second lens barrel may be disposed in the space between the second lens barrel and the second side surface.

[0042] In addition, the first lens barrel and the second lens barrel are each formed in a cylindrical shape, The first side and the second side may each be formed in a rectangular plate shape.

[0043] Also, a lens element is disposed in the housing and contacts the first side of the first lens assembly. a first guide portion for guiding the movement of the first lens assembly in the optical axis direction; and The housing is disposed in contact with the second side of the second lens assembly. The second guide portion may include a second guide portion for guiding movement of the second lens assembly in the optical axis direction. .

[0044] In addition, the 2-1 driving unit is disposed on the first guide unit, and the 2-2 driving unit is , can be disposed in the second guide portion.

[0045] The length of the first side surface of the first lens assembly in the optical axis direction is the sum of the length of the first lens barrel in the optical axis direction and the length of the second lens barrel in the optical axis direction, The length of the second side surface of the second lens assembly in the optical axis direction is equal to or larger than the length of the first lens barrel. and the length of the second lens barrel in the optical axis direction.

[0046] The plurality of sensors include a first sensor magnet, a second sensor magnet, and a third sensor magnet. a second sensor 2-1 spaced apart from the first sensor 1-1 in the optical axis direction; a first and second sensor facing the sensor magnet, and a second sensor facing the first and second sensor in the optical axis direction; The second sensor may include a second sensor spaced apart from the first sensor.

[0047] The lens assembly is disposed on the other side of the first lens assembly, a third lens assembly coupled to the housing, the first lens assembly The second lens assembly and the third lens assembly are aligned in the optical axis direction. You can move to realize the zooming function.

[0048] The housing also includes a substrate disposed on the housing, and the plurality of sensors are disposed on the substrate. It can be placed.

[0049] The distance between the sensor magnet and the center of the lens assembly is It may be shorter than the distance between the first drive unit and the center of the lens assembly.

[0050] In order to achieve the above object, a camera module according to one aspect of the present invention comprises: a housing; a lens assembly disposed in the housing; the lens assembly a first drive unit disposed in the housing; and a second drive unit disposed in the housing and facing the first drive unit. A sensor magnet disposed on the lens assembly and extending in the optical axis direction. and a plurality of sensors disposed in the housing and facing the sensor magnet. the plurality of sensors include the first sensor and a sensor connected to the optical axis; a second sensor spaced apart in a direction, and the distance between the first sensor and the second sensor is The total of the movement stroke of the lens assembly is It can correspond to the length of the direction.

[0051] In order to achieve the above object, a camera module according to one aspect of the present invention comprises: a housing; a lens assembly disposed in the housing; the lens assembly a first drive unit disposed in the housing; and a second drive unit disposed in the housing and facing the first drive unit. A sensor magnet disposed on the lens assembly and extending in the optical axis direction. and a plurality of sensors disposed in the housing and facing the sensor magnet. the plurality of sensors include the first sensor and a sensor connected to the optical axis; a second sensor spaced apart in a direction, and the length of the sensor magnet in the optical axis direction is The first sensor and the second sensor are spaced apart from each other by a distance greater than the travel stroke of the lens assembly. The distance between the lens assembly and the sensor may be greater than the stroke of the lens assembly.

[0052] A lens assembly according to one aspect of the present invention for achieving the above object is The moving device includes a housing; a first lens assembly disposed in the housing; a second lens assembly disposed on one side of the lens assembly; and a second lens assembly disposed on the housing. a first and second driving unit disposed on the first lens assembly; an opposing third driving unit; the third driving unit is disposed on the second lens assembly and faces the second driving unit; a fourth drive portion; and first and second guide portions disposed in the housing, The lens assembly has a first side facing the first guide portion and a second side facing the second guide portion. the second lens assembly has a second side surface facing the first guide portion, a first side surface facing the second guide portion and a second side surface facing the first lens assembly; The length of the first side surface in the optical axis direction of the second lens assembly is The length of the second side of the first lens assembly in the optical axis direction is longer than the length of the second side of the first lens assembly in the optical axis direction. The length may be shorter than the length of the second side surface of the second lens assembly in the optical axis direction.

[0053] The first guide part and the second guide part may be symmetrical with respect to the optical axis.

[0054] The first guide portion includes a 1-1 guide portion and a 1-2 guide portion that are spaced apart from each other. The second guide portion includes a 2-1 guide portion and a 2-2 guide portion that are spaced apart from each other. It can be done.

[0055] The length of the first guide portion in a direction perpendicular to the optical axis direction is The length may be longer than the length of the guide portion in a direction perpendicular to the optical axis direction.

[0056] The length of the 2-1 guide portion in a direction perpendicular to the optical axis direction is The length may be longer than the length of the guide portion in a direction perpendicular to the optical axis direction.

[0057] Also, a lens element is disposed between the first guide portion and the first side surface of the first lens assembly. a first guide ball; the second guide portion and the second side surface of the first lens assembly; a second guide ball disposed between the first guide portion and the second lens assembly; a third guide ball disposed between the first side surface of the second guide portion and the second guide portion; a fourth guide ball disposed between the lens assembly and the second side surface of the lens assembly; Cut.

[0058] The first guide portion is in contact with the first guide ball and the third guide ball. the second guide portion includes a first groove for receiving the second guide ball and the fourth guide ball; a second groove in contact with the first guide, and the first side of the first lens assembly a third groove in contact with the ball; and the second side of the first lens assembly includes the a fourth groove contacting the second guide ball; includes a fifth groove that contacts the third guide ball, and the The second side surface may include a sixth groove that contacts the fourth guide ball.

[0059] The first groove is formed in the first guide portion and the second groove is formed in the first guide portion. The guide portion includes a first and second groove, and the first guide ball is in contact with the first and second grooves. The first-1 guide ball contacts the first-2 groove at one point. It may include a ball.

[0060] Also, the first groove is formed in a "V" shape, and the second groove is formed in a "U" shape. It can be done.

[0061] The third grooves include a 3-1 groove facing the 1-1 groove and a 1-2 groove facing the 1-2 groove. The third-first groove contacts the first-first guide ball at two points. Thus, the 3-2 groove can come into contact with the 1-2 guide ball at two points.

[0062] Also, the 3-1 and 3-2 grooves may be formed in a "V" shape.

[0063] The first driving section may be disposed between the 1-1 groove and the 1-2 groove. can.

[0064] The first and second guide portions are formed integrally with the inner surface of the housing. can be done.

[0065] The housing has openings at the top and bottom, and the first and second lens assemblies are Lee can be exposed to the outside.

[0066] Also, a third lens assembly is disposed on one side of the second lens assembly. The third lens assembly is first assembled to the side of the housing, and then First and second lens assemblies may be disposed within the housing.

[0067] The first lens assembly further includes a first lens barrel including a plurality of first holes; the second lens assembly includes a first lens portion disposed in the first lens barrel; a second lens barrel including a plurality of second holes; and a second lens barrel disposed in the second lens barrel. a lens portion, and the first and second lens assemblies are assembled to the housing; In this state, the first and second lens assemblies are aligned with the upper and lower surfaces of the housing. , and are aligned via the plurality of first holes and second holes.

[0068] The first and second driving units are solenoid coils, and the third and fourth driving units are It may be a magnet.

[0069] The length of the solenoid coil in the optical axis direction is longer than the length of the magnet in the optical axis direction. The length of the solenoid coil in a direction perpendicular to the optical axis direction is The length of the optical axis of the optical element may be longer than the length of the optical element in a direction perpendicular to the optical axis direction.

[0070] The magnet has a surface facing the solenoid coil magnetized to a first polarity, The surface not facing the solenoid coil is magnetized to a second polarity.

[0071] In order to achieve the above object, a camera module according to one aspect of the present invention comprises: a housing; a first lens assembly disposed in the housing; a second lens assembly disposed on one side of the housing; and a second driving unit; a second driving unit disposed on the first lens assembly and facing the first driving unit. a third driving unit; a fourth driving unit disposed on the second lens assembly and facing the second driving unit; and first and second guide portions disposed in the housing, The assembly has a first side surface facing the first guide portion and a second side surface facing the second guide portion. the second lens assembly has a first side surface facing the first guide portion; a second side surface facing the second guide portion, the first side of the first lens assembly; The length of the surface in the optical axis direction is longer than the length of the first side surface of the second lens assembly in the optical axis direction. the length of the first side surface of the first lens assembly in the optical axis direction is longer than the length of the second lens The total length of the first side of the assembly in the optical axis direction is The length of the second side surface in the optical axis direction and the length of the second side surface in the optical axis direction of the second lens assembly corresponds to the sum of the lengths of [Effects of the Invention]

[0072] This embodiment improves the sensitivity to the movement of the lens assembly along the optical axis. It is possible to provide a camera module that can

[0073] According to this embodiment, each lens in the camera module is zoomed. A lens assembly driving device capable of preventing friction torque generated during lens group movement and a lens assembly including the same A camera module can be provided.

[0074] According to this embodiment, the lens deflection during the movement of each lens group through zooming in the camera module is The center of the lens and the image center, such as decenter and lens tilt, Lens assembly driving device capable of preventing misalignment of the central axis of the lens assembly and A camera module including:

[0075] In addition, this embodiment provides an ultra-slim and ultra-compact lens assembly driver and A camera module including the

[0076] In addition, according to this embodiment, the size of the lens in the lens assembly of the optical system when OIS is realized is A lens assembly driving device that eliminates limitations and ensures sufficient light intensity and A camera module including:

[0077] Furthermore, this embodiment can prevent decentering and tilting when OIS is implemented. Lens assembly driver that minimizes the occurrence of irregularities and provides the best optical characteristics A camera module including the same can be provided.

[0078] In addition, this embodiment prevents magnetic field interference with the AF or Zoom magnet when OIS is enabled. It is possible to provide a lens assembly driving device that can be stopped and a camera module including the same. can.

[0079] Furthermore, this embodiment provides a lens assembly driving device that can realize OIS with low power consumption. A camera module including the same can be provided. [Brief explanation of the drawings]

[0080] [Figure 1] 1 is a perspective view of a camera module according to a first embodiment of the present invention. [Figure 2] 1 is an exploded perspective view of a camera module according to a first embodiment of the present invention. [Figure 3] FIG. 2 is a bottom view of a partial configuration of the camera module according to the first embodiment of the present invention. [Figure 4] 1 is a front view of a partial configuration of a camera module according to a first embodiment of the present invention. [Figure 5] 4 is a graph showing a magnetic flux simulation of the camera module according to the first embodiment of the present invention. [Figure 6] 4 is a graph showing measurement data of the sensor magnet of the camera module according to the first embodiment of the present invention. [Figure 7] 4 is a graph showing output values ​​according to the length of the sensor magnet of the camera module according to the first embodiment of the present invention. [Figure 8] FIG. 10 is a perspective view of a camera module according to a second embodiment of the present invention. [Figure 9] FIG. 10 is an exploded perspective view of a camera module according to a second embodiment of the present invention. [Figure 10] FIG. 10 is a perspective view of a partial configuration of a camera module according to a second embodiment of the present invention. [Figure 11] FIG. 10 is a perspective view of a partial configuration of a camera module according to a second embodiment of the present invention. [Figure 12] FIG. 10 is a cross-sectional view of a partial configuration of a camera module according to a second embodiment of the present invention. [Figure 13] FIG. 13 is an enlarged view of part A in FIG. 12. [Figure 14] FIG. 13 is an enlarged view of part B in FIG. [Figure 15]FIG. 10 is a cross-sectional view of a partial configuration of a camera module according to a second embodiment of the present invention. [Figure 16] FIG. 10 is a cross-sectional view of a partial configuration of a camera module according to a second embodiment of the present invention. [Figure 17] 10A to 10C are diagrams showing the molding process of a partial configuration of a camera module according to a second embodiment of the present invention. [Figure 18] FIG. 10 is a diagram illustrating the operation of a partial configuration of a camera module according to a second embodiment of the present invention. [Figure 19] FIG. 10 is a diagram illustrating the operation of a partial configuration of a camera module according to a second embodiment of the present invention. [Figure 20] 10 is a diagram illustrating an alignment operation of a camera module according to a second embodiment of the present invention. DETAILED DESCRIPTION OF THE INVENTION

[0081] DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

[0082] However, the technical idea of ​​the present invention is not limited to some of the embodiments described, and The present invention may be embodied in various different forms, and the embodiments are within the scope of the present invention. However, one or more of the components may be selectively combined or substituted for each other.

[0083] Furthermore, terms (including technical and scientific terms) used in the embodiments of the present invention are not expressly defined. Unless otherwise specified and described, it is understood by a person having ordinary skill in the art to which the present invention pertains. Terms that are commonly used and interpreted as having a generally understood meaning, such as predefined terms, are , it should be possible to interpret its meaning taking into account the contextual meaning of the relevant art.

[0084] Furthermore, the terms used in the embodiments of the present invention are intended to explain the embodiments and are not to be construed as limiting the scope of the present invention. It is not intended to limit clarity.

[0085] In this specification, the singular can include the plural unless the context clearly dictates otherwise, and includes "A and (and)" When "at least one of B and C" is written, it means a combination of A, B, and C. The term "component" may include one or more of all possible combinations.

[0086] In addition, in describing the components of the embodiment of the present invention, first, second, A, B, (a), (b) and other terms may be used to separate the component from other components. It is only a distinction, and the terms do not affect the essence, order, or sequence of the relevant components. It is not limited to.

[0087] It should be noted that when a component is described as being "coupled," "coupled," or "connected" to another component, When a component is connected to another component, that component is not directly "connected," "coupled," or "bonded" to that other component. Not only when a component is "connected" to another component, but also when there is a further connection between that component and that other component. This also includes cases where something is "coupled," "coupled," or "connected" by a component.

[0088] It is also noted that the components are formed or placed "above (above)" or "below (below)" the components. When placed on a surface, "above" or "below" means that two components are directly connected to each other. Not only when two components come into contact with each other, but also when one or more additional components are formed or Also, when it is expressed as "above (above)" or "below (below)" , it can include not only the upward direction but also the downward direction based on one component.

[0089] The "optical axis direction" used below refers to the direction of each lens group coupled to the lens assembly drive unit. On the other hand, the "optical axis direction" corresponds to the "up and down direction," "z-axis direction," etc. It is possible.

[0090] Hereinafter, a camera module according to a first embodiment of the present invention will be described with reference to the accompanying drawings. This will be explained in more detail.

[0091] FIG. 1 is a perspective view of a camera module according to a first embodiment of the present invention. 3 is an exploded perspective view of a camera module according to the first embodiment of the present invention. 4 is a bottom view of a partial configuration of a camera module according to the first embodiment of the present invention. 5 is a front view of a partial configuration of a camera module according to a first embodiment of the present invention. 6 is a graph showing a magnetic flux simulation of the module in the first embodiment of the present invention. 7 is a graph showing measurement data of the sensor magnet of the camera module. Output value according to the length of the sensor magnet of the camera module according to the first embodiment of the present invention 1 to 4, the camera module according to the first embodiment of the present invention will be described. The lens assembly 10 includes a housing 100, a lens assembly 200, a guide portion 300, and a first lens element. A driving unit 400, a second driving unit 500, a substrate 600, a sensor magnet 700, and a sensor However, it may be possible to implement the system without some of the components. However, additional configurations are not excluded.

[0092] The camera module 10 may include a housing 100. The housing 100 may include a The housing 100 can form the exterior of the camera module 10. The housing 100 may have a hexahedral shape with its front and rear surfaces open to the outside. At least a part of the side surface of the housing 100 can be opened to the outside. The housing 100 contains a lens assembly 200, a guide unit 300, and a first driving unit. 400, a second driving unit 500, a substrate 600, a sensor magnet 700, and a sensor 800 can be deployed.

[0093] The camera module 10 can include a lens assembly 200. The lens assembly 200 can be disposed in the housing 100. 00 is moved in the optical axis direction by the electromagnetic interaction between the first driving unit 400 and the second driving unit 500. Here, the optical axis direction is the direction of the lens arranged in the lens assembly 200. This refers to the direction of the optical axis of the lens.

[0094] The lens assembly 200 may include a first lens assembly 210. The lens assembly 210 can be disposed inside the housing 100. The first lens assembly 210 is aligned with the second and third lens assemblies 220 and 230. The first lens assembly 210 can be aligned with the second lens. The third lens assembly 230 may be disposed between the first lens assembly 220 and the second lens assembly 230. The first lens assembly 210 includes a first-first driving unit 420 and a second-first driving unit 520. It can be moved in the direction of the optical axis by electromagnetic interaction. The movement of the lens 10 in the optical axis direction can be guided by the first guide portion 320.

[0095] The first lens assembly 210 includes a first lens barrel 212 in which a first lens group is disposed. and a first side surface 214 disposed on one side of the first lens barrel 212. The first lens barrel 212 of the first lens assembly 210 may be formed in a cylindrical shape. The first side surface 214 of the first lens assembly 210 can be formed in the shape of a square plate. The first side surface 214 of the first lens assembly 210 is provided with a first-first driving unit 42. The first side surface 214 of the first lens assembly 210 may be arranged on the outside. The first lens assembly 210 may have a first protrusion 216 protruding toward the first lens assembly 210. The first protrusion 216 of the first side surface 214 contacts the first groove of the first guide portion 320 and extends in the optical axis direction. The length of the first side surface 214 of the first lens assembly 210 in the optical axis direction can be guided. The length is the length of the first lens barrel 212 in the optical axis direction and the length of the second lens barrel 222 in the optical axis direction. may be greater than the sum of the lengths of

[0096] The lens assembly 200 may include a second lens assembly 220. A two-lens assembly 220 can be disposed inside the housing. The lens assembly 220 is aligned with the first and third lens assemblies 210 and 230. The second lens assembly 220 can be aligned with the first lens assembly. The second lens assembly 220 can be disposed behind the first lens assembly 210. The -2 drive unit 410 and the 2-2 drive unit 510 move in the optical axis direction by electromagnetic interaction. The second lens assembly 220 is guided by the second guide portion 310. Directional movement can be guided.

[0097] The second lens assembly 220 includes a second lens barrel 222 in which a second lens group is disposed. and a second side surface 224 disposed on the other side of the second lens barrel 222. The second lens barrel 222 of the two-lens assembly 220 may be formed in a cylindrical shape. The second side surface 224 of the second lens assembly 220 may be formed in the shape of a rectangular plate. The second side surface 224 of the second lens assembly 220 is provided with a first-second driving unit 31. The second side surface 224 of the second lens assembly 220 may be arranged on the outside. The second protrusion of the second lens assembly 220 may be formed. The second protrusion of the side surface 224 comes into contact with the second groove 312 of the second guide portion 310 and moves in the optical axis direction. The first side surface 214 of the first lens assembly 210 and the second lens assembly 212 are guided. The second sides 224 of the ribs 220 are arranged in opposite directions to improve space efficiency. The length of the second side surface 224 of the second lens assembly 220 in the optical axis direction is The length of the first lens barrel 212 in the optical axis direction and the length of the second lens barrel 222 in the optical axis direction are It can be greater than the total.

[0098] The lens assembly 200 may include a third lens assembly 230. A three-lens assembly 230 can be disposed in the housing 100. The lens assembly 230 can be coupled to the housing 100. The third lens assembly 230 can be coupled to the front of the housing. The third lens assembly 230 may be disposed in front of the first lens assembly 210. The lens assembly 230 may include a third lens group. The third lens group 30 has an optical axis aligned with the first and second lens groups. In the first embodiment of the present invention, the third lens assembly 230 is mounted in the housing 100. The first and second lens assemblies 210 and 220 are fixed to the optical axis. This allows the zooming function to be realized.

[0099] The camera module 10 can include a guide portion 300. The guide portion 300 is The guide portion 300 can be disposed in the housing 100. The guide portion 300 can be manufactured separately and assembled to the housing 100. The guide unit 300 can be set up to guide the first and second lens assemblies 210. The guide unit 300 can guide the movement of the second drive unit 5, 220 in the optical axis direction. 00 can be placed.

[0100] The guide portion 300 may include a first guide portion 320. The first guide portion 320 includes: The first guide portion 320 may be disposed in the housing 100. The first guide portion 320 is integrally formed with the housing 100. The first guide portion 320 can guide the first and second lens assemblies 210 and 22. The first guide portion 320 may be disposed on one side of the first guide portion 320. The first guide portion 320 may include a first groove. The first groove of the first guide portion 320 is aligned with the first side surface 214 of the first lens assembly 210. 1 contacts the protrusion 216 to guide the movement of the first lens assembly 210 in the optical axis direction. The first guide portion 320 may be provided with a second driving portion 520. The guide portion 300 may include a second guide portion 310. The second guide portion 310 The second guide portion 310 can be disposed in the housing 100. The second guide portion 310 is integrally formed with the housing 100. The second guide portion 310 can guide the first and second lens assemblies 210, 2 The second guide portion 310 may include a second groove 312. The second groove 312 of the second guide portion 310 is The second protrusion 224 contacts the second protrusion 224 to prevent the second lens assembly 220 from moving in the optical axis direction. The second guide portion 310 may be provided with a second-second driving portion 510. This can be done.

[0101] The camera module 10 may include a first driving unit 400. The first driving unit 400 , can be disposed in the lens assembly 200. The first driving unit 400 The first driving unit 400 may be disposed in the second lens assembly 210, 220. The first driving unit 400 may include a magnet. The first driving unit 400 faces the second driving unit 500. The first driving unit 400 can drive the first driving unit 400 through electromagnetic interaction with the second driving unit 500. Moving the lens assembly 210 and the second lens assembly 220 in the optical axis direction can be done.

[0102] The first driving unit 400 may include a first-first driving unit 420. 0 may be disposed in the first lens assembly 210. can be disposed on the first side 214 of the first lens assembly 210. The front of the first driving unit 420 is magnetized to a first polarity, and the rear is magnetized to a second polarity. The driving unit 420 may be formed in a hexahedron shape. The first-1 driving unit 420 may be disposed at a position facing the first-1 driving unit 520. , the first lens assembly 210 is driven by the electromagnetic interaction with the second-first driving unit 520. It can be moved in the direction of the optical axis.

[0103] The first driving unit 400 may include a first-second driving unit 410. 0 may be disposed in the second lens assembly 220. can be disposed on the second side 224 of the second lens assembly 220. The front of the second driving unit 410 is magnetized to the first polarity, and the rear of the second driving unit 410 is magnetized to the second polarity. The driving unit 410 may be formed in a hexahedron shape. The first and second driving units 410 may be disposed at positions facing the first and second driving units 510. , the second lens assembly 220 is driven by the second-2 driving unit 510 through electromagnetic interaction. It can be moved in the direction of the optical axis.

[0104] The camera module 10 may include first yokes 430 and 440. 430 and 440 are the first driving unit 400 and the first and second lens assemblies 210 and 220. The first yokes 430 and 440 can be arranged between the magnetic poles of the first driving unit 400. This can prevent the field from leaking.

[0105] The first yokes 430 and 440 may include a first-first yoke 440. The arc 440 is disposed between the first lens assembly 210 and the first-first driving unit 420. The first-first yoke 440 is disposed on the first lens assembly 210. The first-first yoke 440 is connected to the first side surface 21 of the first lens assembly 210. 4. The first-first yoke 440 can be connected to the first lens assembly 210. The first side 214 of the housing 210 can be connected to the housing 210 by snap-fit. The first-first yoke 440 can surround at least two sides of the first-first driving part 420 . As a result, the 1-1 yoke 440 prevents the magnetic field of the 1-1 driving unit 420 from leaking. It is possible.

[0106] The first yoke 430, 440 may include a first-second yoke 430. The arc 430 is disposed between the second lens assembly 220 and the first-second driving unit 410. The first and second yokes 430 are disposed on the second lens assembly 220. The first and second yokes 430 are connected to the second side surface 22 of the second lens assembly 220. 4. The first and second yokes 430 can be connected to the second lens assembly 220. The second side 224 of the housing 220 can be connected to the second side 224 of the housing 220 by snap-fit ​​connection. The first-second yoke 430 can surround at least two sides of the first-second driving part 410 . As a result, the first-second yoke 430 prevents the magnetic field of the first-second driving unit 410 from leaking. It is possible.

[0107] The camera module 10 may include a second driving unit 500. The second driving unit 500 The second driving unit 500 can be disposed in the housing 100. The second driving unit 500 may include a coil. The second driving unit 500 can be coupled to the substrate 600. The second driving unit 500 is opposed to the first driving unit 400 and can receive a current. The second driving unit 500 can drive the first driving unit 400 through electromagnetic interaction. Moving the lens assembly 210 and the second lens assembly 220 in the optical axis direction can be done.

[0108] The second driving unit 500 may include a second-first driving unit 520. 0 may be disposed in the first guide part 320. The second-first driving part 520 may The second-first driving unit 520 may be coupled to the substrate 600. The second-1 driving unit 520 may be electrically connected to the substrate 600. The second-first driving part 520 may be formed in a square shape. The second-first driving unit 520 may include a coil. When a current is supplied to the 2-1 driving unit 520, the 2-1 driving unit 520 can electromagnetically interact with the first-1 driving unit 420.

[0109] The second driving unit 500 may include a second-second driving unit 510. 0 can be disposed in the second guide part 310. The second-2 driving part 510 can The second driving unit 510 is coupled to the substrate 600. The second-2 driving unit 510 may be electrically connected to the substrate 600. The second-second driving part 510 may be formed in a "middle" shape. The second-second driving unit 510 may include a coil. When a current is supplied to the 2-2 driving unit 510, the 2-2 driving unit The unit 510 can electromagnetically interact with the first and second driving units 410 .

[0110] The camera module 10 may include second yokes 530 and 540. 530 and 540 may be disposed outside the second driving part 500. The second yokes 530 and 540 can be bonded to the substrate 600. The second yawl can be connected to the plate 600 by snap-fit. The blocks 530 and 540 can prevent leakage of the electric field of the second driving unit 500 .

[0111] The second yokes 530 and 540 may include a second-first yoke 540. The second-first yoke 540 can be coupled to the substrate 600. The second-first yoke 540 can wrap around the outside of the second-first driving part 520. 1, leakage of the electric field of the driving unit 520 can be prevented.

[0112] The second yokes 530, 540 may include a second-second yoke 530. The second-second yoke 530 can be coupled to the substrate 600. The second-second yoke 530 can wrap around the outside of the second driving part 510. 2, leakage of the electric field of the driving unit 510 can be prevented.

[0113] The camera module 10 may include a substrate 600. The substrate 600 may include a housing 100. The substrate 600 includes the second driving unit 500 and the second yoke 53. 0, 540 can be bonded to the substrate 600. The sensor 800 can be disposed on the substrate 600. The substrate 600 is electrically connected to the second driving unit 500 and the sensor 800. The substrate 600 is a printed circuit board (PCB). The substrate 600 may include a flexible printed circuit board. Flexible Printed Circuit Board (FPCB) d).

[0114] The camera module 10 may include a sensor magnet 700. The net 700 can be disposed in the lens assembly 200. The lens set 700 can be disposed on the first and second lens assemblies 210, 220. The sensor magnet 700 may be formed to extend in the optical axis direction. The magnet 700 is perpendicular to the optical axis direction of the first and second lens assemblies 210 and 220. A first direction overlaps with a second direction perpendicular to the optical axis and the first direction. rlap) between the sensor magnet 700 and the lens assembly 200 and the center The distance may be shorter than the distance between the first driving unit 400 and the center of the lens assembly 200. Here, the center of the lens assembly 200 refers to the central region of the first lens barrel 212 and and / or the central region of the second lens barrel 222.

[0115] The sensor magnet 700 can face the Hall sensor 800. The length of the magnet 700 in the optical axis direction is equal to the length of the first and second lens assemblies 210 and 22. 0 and the optical axis direction stroke can be larger than 7. The length of the optical axis of 00 is the length of the first sensors 812, 822 and the second sensors 814, 824. The sum of the distance and the stroke of the first and second lens assemblies 210 and 220 in the optical axis direction is Specifically, the length of the sensor magnet 700 in the optical axis direction is The distance between the first sensor 812, 822 and the second sensor 814, 824 and the first and second lenses The length is within 5% of the total stroke of the lens assemblies 210 and 220 in the optical axis direction. This can improve the sensitivity of the sensor magnet 700. In the first embodiment of the present invention, the first and second lens assemblies 210 and 220 are movable. The stroke refers to the distance traveled by the first and second lens assemblies 210 and 220 in the optical axis direction. Taste.

[0116] The sensor magnet 700 may include a first sensor magnet 720. The sensor magnet 720 may be disposed on the first lens assembly 210. The first sensor magnet 720 is perpendicular to the second sensor magnet 710 in the optical axis direction. The first sensor magnet 720 can be spaced apart in a first direction, i.e., The first sensor magnet 710 and the second sensor magnet 711 may have lengths corresponding to each other. The lens barrel 720 may be disposed in the space between the first lens barrel 212 and the first side surface 214. This allows for improved space efficiency. The distance between the first driving unit 420 and the central region of the first lens barrel 212 is The distance between the first sensor magnet 7 and the central region of the lens barrel 212 may be shorter than the distance between the first sensor magnet 7 and the central region of the lens barrel 212. The first sensor magnet 20 may face a plurality of sensors 820. The sensor 720 can face the first-first sensor 822 and the second-first sensor 824. Cut.

[0117] The sensor magnet 700 may include a second sensor magnet 710. The sensor magnet 710 can be disposed on the second lens assembly 220. The second sensor magnet 710 is perpendicular to the first sensor magnet 720 in the optical axis direction. The second sensor magnet 710 can be spaced apart in a first direction. The second sensor magnet 720 may have a length corresponding to that of the first sensor magnet 720. The lens barrel 710 can be disposed between the second lens barrel 222 and the second side surface 224. This allows for improved space efficiency. The distance between the first and second driving units 410 and the central region of the second lens barrel 222 is The distance between the second sensor magnet 710 and the central region of the barrel 222 may be shorter than the distance between the second sensor magnet 710 and the central region of the barrel 222. , can face a plurality of sensors 810. Specifically, the second sensor magnet 7 10 can face the first-second sensor 812 and the second-second sensor 814.

[0118] The camera module 10 may include third yokes 730 and 740. 730 and 740 are the sensor magnet 700 and the first and second lens assemblies 210. , 220. The third yokes 730 and 740 extend in the optical axis direction. The cross section of the third yokes 730 and 740 is formed in a "⊂" shape. The third yokes 730 and 740 surround the sensor magnet 700 on three sides. Specifically, the third yokes 730 and 740 are arranged in the sensor magnet 700. This allows the sensor to be wrapped around the entire surface except for the surface facing the sensor 800. The magnetic field of the net 700 is prevented from leaking, and the sensor magnet 700 is connected to the first and second driving magnets. This can prevent interference with the electromagnetic interactions of the units 400 and 500.

[0119] The third yokes 730 and 740 may include a third-first yoke 740. The arc 740 is located between the first lens assembly 210 and the first sensor magnet 720. The third-first yoke 740 is disposed between the first lens barrel 212 and the first side surface. The third-first yoke 740 can be disposed in the space between the first sensor 214 and the third-first yoke 740. The magnet 720 can be wrapped around three sides. 0 and prevent interference with the first and second driving units 400 and 500. It is possible.

[0120] The third yokes 730, 740 may include a third-second yoke 730. The arc 730 is located between the second lens assembly 220 and the second sensor magnet 710. The third-second yoke 730 can be disposed between the second lens barrel 222 and the second side surface. The third-second yoke 730 can be disposed in the space between the second sensor 224. The magnet 710 can be wrapped around three sides. 0 and prevent interference with the first and second driving units 400 and 500. It is possible.

[0121] The camera module 10 may include a sensor 800. The sensor 800 may include a The sensor 800 can be disposed on the housing 100. The sensor 800 may be electrically connected to the substrate 600. The sensor 800 can face the sensor magnet 700. Includes a Hall Sensor that detects the sensor magnet 700 The sensor 800 can include multiple sensors 810, 820.

[0122] The sensor 800 may include first sensors 822 and 812. The first sensors 822 and 812 can be spaced apart from the second sensors 824 and 814 in the optical axis direction. The sensors 822 and 812 are the first-first sensor 822 and the first-first sensor 822 and the optical axis 8. The sensor 812 may include a first and a second sensor 812 spaced apart in a direction perpendicular to the sensor 812.

[0123] The sensor 800 may include second sensors 824, 814. The second sensors 822 and 812 may be spaced apart from the first sensors 822 and 812 in the optical axis direction. The sensors 824 and 814 are on the optical axis of the 2nd-1st sensor 824 and the 2nd-1st sensor 824. A second sensor 814 may be included that is spaced apart in a perpendicular direction.

[0124] The first-1st sensor 822 and the second-1st sensor 824 are connected to the first sensor magnet 720. The first-1 sensor 822 and the second-1 sensor 824 can face each other. The sensor magnet 720 can be sensed.

[0125] The first-second sensor 812 and the second-second sensor 814 are connected to the second sensor magnet 710. The first-second sensor 812 and the second-second sensor 814 can face each other. The sensor magnet 710 can be sensed.

[0126] The distance between the first sensor 822, 812 and the second sensor 824, 814 and the first and second sensors The total travel stroke of the two lens assemblies 210 and 220 is 7 mm. 00 and the length in the optical axis direction. The distance between the first and second lens assemblies 210, 220 is It may be larger than the travel stroke.

[0127] Referring to FIG. 5, the output value of the first sensors 822 and 812 is A, and the output value of the second sensor 82 4. If the output value of 814 is B, the calculation (AB) / (A+B) has linearity. This makes it easy to amplify the output value.

[0128] Referring to FIG. 6, the first sensors 822 and 812 for the sensor magnet 700 The measurements of the second sensors 824, 814 occur between 0.5 mm and 8.5 mm. That is, the length of the sensor magnet 700 in the optical axis direction is shifted from about 7.5 mm. In this case, the first sensors 822, 812 and the second sensors 824, 812 are suddenly depleted due to a sudden decrease in magnetic force. Therefore, the measurement value of 4 is meaningless. For 0.5 mm, the measurement efficiency of the first sensor 822, 812 and the second sensor 824, 814 is It can be raised.

[0129] Referring to FIG. 7, the length of the sensor magnet 700 in the optical axis direction is about 7.5 mm. When the stroke of the sensor magnet 700 is about 3 mm, the first sensors 822 and 812 The maximum efficiency is maintained when the distance between the first sensor and the second sensor 824, 814 is approximately 4.5 mm. Therefore, the length of the sensor magnet 700 in the optical axis direction is The distance between the first and second lenses 812, 822 and the second sensors 814, 824. It is preferable that the length of the optical axis direction of the optical fibers 210 and 220 is within 5% of the total stroke of the optical axis direction. This makes it possible to improve the sensitivity of the sensor magnet 700.

[0130] Hereinafter, a second embodiment of the present invention will be described in more detail with reference to the accompanying drawings.

[0131] Fig. 8 is a perspective view of a camera module according to a second embodiment of the present invention. 10 and 11 are exploded perspective views of a camera module according to a second embodiment of the present invention. 12 is a perspective view of a part of the configuration of a camera module according to the second embodiment of the present invention. 13 is a cross-sectional view of a part of the configuration of a camera module according to the second embodiment. 14 is an enlarged view of part B of FIG. 12. FIGS. 15 and 16 are enlarged views of the present invention. 17 is a cross-sectional view of a part of the configuration of a camera module according to a second embodiment of the present invention. 18 and 19 are diagrams showing the molding process of a part of the configuration of the camera module according to the embodiment. 20 is a diagram showing the operation of a part of the configuration of a camera module according to a second embodiment of the present invention. 10 shows an alignment operation of a camera module according to a second embodiment of the present invention. This is a drawing.

[0132] Referring to FIGS. 8 to 20, a camera module 1010 according to a second embodiment of the present invention includes: A housing 1100, a first lens assembly 1200, and a second lens assembly 1 300, the third lens assembly 1400, the first driving unit 1510, and the second driving unit 15 20, a third driving unit 1610, a fourth driving unit 1620, and a guide unit 1700. However, it may be possible to implement the system without some of these configurations, and to implement the system with additional configurations. There is no exclusion.

[0133] The camera module 1010 according to the second embodiment of the present invention includes a lens assembly driving device. The lens assembly driver includes a housing 1100 and a first lens. lens assembly 1200, second lens assembly 1300, and third lens assembly - 1400, a first driving unit 1510, a second driving unit 1520, and a third driving unit 1610, The fourth driving unit 1620 and the guide unit 1700 may be included, but a part of these components may be omitted. It is possible to implement the invention without the above configuration, and additional configurations are not excluded.

[0134] The camera module 1010 may include a housing 1100. The housing 110 can form the exterior of the camera module 1010. The housing 1100 may be formed in a hexahedron shape with the inside exposed. A first lens assembly 1200, a second lens assembly 1300, and a third lens assembly Assembly 1400, first drive unit 1510, second drive unit 1520, and third drive unit 16 10, the fourth driving part 1620, and the guide part 1700 may be disposed in the housing. The driver 1100 is electrically connected to at least one of the first to fourth drivers 1500 and 1600. A substrate (not shown) can be disposed on which the current is supplied.

[0135] At least one side of the housing 1100 may be open. At least one side of the housing 1100 is open, and the first lens assembly 120 is mounted in the housing 1100. 0, a second lens assembly 1300, and a third lens assembly 1400 are assembled. Even after the first lens assembly 1200 and the second lens assembly 1300 are attached, the first lens assembly 1200 and the second lens assembly 1300 are visually separated. 1100. For example, the housing 1100 may be The upper and lower surfaces are open, and the first lens assembly 1200 and the second lens assembly 1 300 can be exposed to the outside.

[0136] The camera module 1010 may include a first lens assembly 1200 . The first lens assembly 1200 can be disposed in the housing 1100. The first lens assembly 1200 is connected to the second lens assembly 1300 and the third lens assembly 1300. The first lens assembly 1200 can be disposed between the lens element 1400 and the first lens element 1400. First lens barrel 1210, first lens group 1220, first side surface 1230, and second side surface It can contain 1240.

[0137] The first lens assembly 1200 may include a first lens barrel 1210 . The first lens barrel 1210 may be formed in a cylindrical shape. The first lens barrel 1210 may include a receiving portion formed therein. , the first lens group 1220 can be arranged. The side surface 1230 and the second side surface 1240 may be formed to extend from each other.

[0138] The first lens barrel 1210 may include a first hole 1212. The first lens assembly 120 may include at least one hole. 1. With the first lens assembly 120 assembled inside the housing 1100, 0 is aligned with the upper and lower surfaces of the housing 1100 through the first hole 1212. Alignment is achieved via mechanism 11000.

[0139] The first lens assembly 1200 can include a first lens group 1220. The lens group 1220 can be disposed in the first lens barrel 1210. The group 1220 may be disposed in a housing formed inside the first lens barrel 1210. The first lens group 1220 is optically connected to the second lens group 1320 and the third lens group 1420. The first lens group 1220 includes at least one lens aligned in the axial direction. It is possible.

[0140] The first lens assembly 1200 can include a first side 1230. The first side 1230 of the lens assembly 1200 is connected to the first lens barrel 1210. The first side surface 1230 of the first lens assembly 1200 is shaped like a square plate. The first side surface 1230 of the first lens assembly 1200 can be The lens barrel 1210 may be disposed on one side thereof.

[0141] The first side surface 1230 of the first lens assembly 1200 is provided with first guide portions 1730, 17 40. The first side surface 1230 of the first lens assembly 1200 may be The first guide portions 1730 and 1740 can guide movement in the optical axis direction.

[0142] The first side 1230 of the first lens assembly 1200 is in contact with the second lens assembly 13 00 in the optical axis direction. The length of the first side surface 1230 of the lens assembly 1200 in the optical axis direction is The length of the first side surface 1330 of the lead 1300 in the optical axis direction may be longer than the length of the first side surface 1330 of the lead 1300 in the optical axis direction.

[0143] A third driving unit 1610 is disposed on the first side surface 1230 of the first lens assembly 1200. The first side 1230 of the first lens assembly 1200 can be driven by the third drive The first lens assembly 120 may include a groove 1236 in which the portion 1610 is disposed. The first side surface 1230 of the 0 may face the first driving portion 1510.

[0144] The first side surface 1230 of the first lens assembly 1200 has third grooves 1232 and 1234. The third grooves 1232 and 1234 may be paired with the first guide portions 1730 and 1740. The third grooves 1232 and 1234 can be oriented in the direction of the first guide portions 1730 and 1740. The third grooves 1232 and 1234 can face the first grooves 1732 and 1742. The third grooves 1232 and 1234 may be formed in a square shape. The third grooves 1232 and 1234 can contact the first guide balls 1820 and 1820. It can make contact at two points: 1810 and 1820.

[0145] The third grooves 1232 and 1234 may include a 3-1 groove 1232 and a 3-2 groove 1234. The 3-1 groove 1232 and the 3-2 groove 1234 are spaced apart in a direction perpendicular to the optical axis direction. The 3-1 groove 1232 and the 3-2 groove 1234 have shapes corresponding to each other. The third-1 groove 1232 faces the first-1 groove 1732. The 3-2 groove 1234 can be opposite the 1-2 groove 1742. A third drive unit 1610 is disposed in the space between the 3-1 groove 1232 and the 3-2 groove 1234. The 3-1 grooves 1232 are formed by a plurality of 3-1 grooves 12 spaced apart in the optical axis direction. The 3-2 groove 1234 may include a plurality of 3-2 grooves spaced apart in the optical axis direction. The third-1 groove 1232 and the third-2 groove 1234 each have a "V" shape. The third-first groove 1232 may be formed in a square shape. The 3-1 groove 1232 can contact the 1-1 guide ball 1810 at two points. The third-second groove 1234 can contact the first-second guide ball 1820. The 3-2 groove 1234 contacts the 1-2 guide ball 1820 at two points. It is possible.

[0146] The first lens assembly 1200 can include a second side 1240. The second side 1240 of the lens assembly 1200 is connected to the first lens barrel 1210. The second side surface 1240 of the first lens assembly 1200 is shaped like a rectangular plate. The second side 1240 of the first lens assembly 1200 can be The first lens assembly 1210 can be disposed on the other side of the lens barrel 1210. The second side 1240 of the lens barrel 200 is located at the first lens assembly 1210 relative to the first lens barrel 1210. The first side 1230 of the first side 1200 may be disposed opposite the first side 1230 of the first side 1200.

[0147] The second side surface 1240 of the first lens assembly 1200 is provided with second guide portions 1710 and 17 20. The second side 1240 of the first lens assembly 1200 may be The second guide portions 1710 and 1720 can guide movement in the optical axis direction.

[0148] The second side 1240 of the first lens assembly 1200 is in contact with the second lens assembly 13 The first lens element 1300 may overlap with the second side surface 1340 of the first lens element 1300 in the optical axis direction. The length of the second side surface 1240 of the second lens assembly 1200 in the optical axis direction is The length of the second side surface 1330 of the light source 300 in the optical axis direction may be shorter than that of the second side surface 1330 of the light source 300 .

[0149] The second side surface 1240 of the first lens assembly 1200 faces the second driving unit 1520. It is possible.

[0150] The second side surface 1240 of the first lens assembly 1200 has fourth grooves 1242 and 1244. The fourth grooves 1242 and 1244 may be paired with the second guide portions 1710 and 1720. The fourth grooves 1242 and 1244 can be oriented in the direction of the second guide portions 1710 and 1720. The fourth grooves 1242 and 1244 can face the second grooves 1712 and 1722. The fourth grooves 1242 and 1244 may be formed in a " " shape. 30, 1840. The fourth grooves 1242, 1244 are It can make contact with the 1830 and 1840 at two points.

[0151] The fourth grooves 1242 and 1244 include a 4-1 groove 1242 and a 4-2 groove 1244. The 4-1 groove 1242 and the 4-2 groove 1244 are spaced apart in a direction perpendicular to the optical axis direction. The 4-1 groove 1242 and the 4-2 groove 1244 have shapes corresponding to each other. The 4-1 groove 1242 faces the 2-1 groove 1712. The 4-2 groove 1244 can be opposed to the 2-2 groove 1722. The 4-1 groove 1242 and the 4-2 groove 1244 may each be formed in a "V" shape. The 4-1 groove 1242 can come into contact with the 2-1 guide ball 1830. The 4-1 groove 1242 can contact the 2-1 guide ball 1830 at two points. The 4-2 groove 1244 can contact the 2-2 guide ball 1840. The groove 1244 can contact the second-second guide ball 1840 at two points.

[0152] The length of the first side surface 1230 of the first lens assembly 1200 in the optical axis direction and the length of the second lens The total length of the first side 1330 of the assembly 1300 in the optical axis direction is equal to the length of the first lens assembly. The length of the second side surface 1240 of the lens 1200 in the optical axis direction and the length of the second lens assembly 1300 This can correspond to the total length of the second side surface 1340 in the optical axis direction.

[0153] The camera module 1010 may include a second lens assembly 1300 . The second lens assembly 1300 can be disposed in the housing 1100. The second lens assembly 1300 is disposed on one side of the first lens assembly 1200. The second lens assembly 1300 includes a second lens barrel 1310 and a second It may include a lens group 1320, a first side 1330, and a second side 1340.

[0154] The second lens assembly 1300 may include a second lens barrel 1310 . The second lens barrel 1310 may be formed in a cylindrical shape. The second lens barrel 1310 may include a receiving portion formed therein. , the second lens group 1320 can be arranged. The side surface 1330 and the second side surface 1340 may be extended.

[0155] The second lens barrel 1310 may include a second hole 1312. The second lens assembly 130 may include at least one hole. With the second lens assembly 130 assembled inside the housing 1100, 0 is aligned with the upper and lower surfaces of the housing 1100 through the second holes 1312. Alignment is achieved via mechanism 11000.

[0156] The second lens assembly 1300 can include a second lens group 1320. The lens group 1320 can be disposed in the second lens barrel 1310. The group 1320 may be disposed in a housing formed inside the second lens barrel 1310. The second lens group 1320 is optically coupled to the first lens group 1220 and the third lens group 1420. The second lens group 1320 includes at least one lens aligned in the axial direction. It is possible.

[0157] The second lens assembly 1300 can include a first side 1330. The first side 1330 of the lens assembly 1300 is connected to the second lens barrel 1310. The first side surface 1330 of the second lens assembly 1300 is shaped like a square plate. The first side 1330 of the second lens assembly 1300 can be The lens barrel 1310 may be disposed on one side thereof.

[0158] The first side surface 1330 of the second lens assembly 1300 is provided with first guide portions 1730, 17 40. The first side 1330 of the second lens assembly 1300 may be The first guide portions 1730 and 1740 can guide movement in the optical axis direction.

[0159] The first side 1330 of the second lens assembly 1300 is 00 in the optical axis direction. The length of the first side surface 1330 of the lens assembly 1300 in the optical axis direction is The length of the first side surface 1230 of the lead 1200 in the optical axis direction may be shorter than that.

[0160] The first side surface 1330 of the second lens assembly 1300 faces the first driving unit 1510. It is possible.

[0161] The first side 1330 of the second lens assembly 1300 has fifth grooves 1332 and 1334. The fifth grooves 1332 and 1334 may be paired with the first guide portions 1730 and 1740. The fifth grooves 1332 and 1334 are formed in the first guide portions 1730 and 1740. The fifth grooves 1332 and 1334 can face the first grooves 1732 and 1742. The fifth grooves 1332 and 1334 may be formed in a " " shape. 50, 1860. The fifth grooves 1332, 1334 are It can make contact at two points with 1850 and 1860.

[0162] The fifth grooves 1332 and 1334 include a fifth groove 1332 and a fifth groove 1334. The 5-1 groove 1332 and the 5-2 groove 1334 are spaced apart in a direction perpendicular to the optical axis direction. The 5-1 groove 1332 and the 5-2 groove 1334 have shapes corresponding to each other. The 5-1 groove 1332 faces the 1-1 groove 1732. The 5-2 groove 1334 can face the 1-2 groove 1742. The 5-1 groove 1332 and the 5-2 groove 1334 may each be formed in a "V" shape. The 5-1 groove 1332 can come into contact with the 3-1 guide ball 1850. The 5-1 groove 1332 can contact the 3-1 guide ball 1850 at two points. The 5-2 groove 1334 can contact the 3-2 guide ball 1860. The groove 1334 can contact the third-second guide ball 1860 at two points.

[0163] The second lens assembly 1300 can include a second side 1340. A second side 1340 of the lens assembly 1300 is connected to the second lens barrel 1310. The second side surface 1340 of the second lens assembly 1300 is shaped like a rectangular plate. The second side 1340 of the second lens assembly 1300 can be The second lens assembly 1310 may be disposed on the other side of the lens barrel 1310. The second side surface 1340 of the lens barrel 300 is located at the second lens assembly 1310. The first side 1330 of the first side 1300 may be disposed opposite the first side 1330 of the first side 1300.

[0164] The second side surface 1340 of the second lens assembly 1300 is provided with second guide portions 1710 and 17 20. The second side 1340 of the second lens assembly 1300 may be The second guide portions 1710 and 1720 can guide movement in the optical axis direction.

[0165] The second side 1340 of the second lens assembly 1300 is The second lens element 1200 can be overlapped with the second side surface 1240 of the second lens element 1200 in the optical axis direction. The length of the second side surface 1340 of the first lens assembly 1300 in the optical axis direction is The length of the second side surface 1240 of the light source 200 in the optical axis direction may be longer than that of the second side surface 1240 of the light source 200 in the optical axis direction.

[0166] A fourth driving unit 1620 is disposed on the second side surface 1340 of the second lens assembly 1300. The second side 1340 of the second lens assembly 1300 can be driven by a fourth drive A groove 1346 in which the portion 1620 is disposed may be formed. A second side 1340 of 1300 may face a second drive portion 1520 .

[0167] The second side surface 1340 of the second lens assembly 1300 has sixth grooves 1342 and 1344. The sixth grooves 1342 and 1344 may be paired with the second guide portions 1710 and 1720. The sixth grooves 1342 and 1344 can be oriented in the direction of the second guide portions 1710 and 1720. The sixth grooves 1342 and 1344 can face the second grooves 1712 and 1722. The sixth grooves 1342 and 1344 may be formed in a " " shape. 70, 1880. The sixth grooves 1342, 1344 are It can make contact at two points with 1870 and 1880.

[0168] The sixth grooves 1342 and 1344 include a 6-1 groove 1342 and a 6-2 groove 1344. The 6-1 groove 1342 and the 6-2 groove 1344 are spaced apart in a direction perpendicular to the optical axis direction. The 6-1 groove 1342 and the 6-2 groove 1344 have shapes corresponding to each other. The 6-1 groove 1342 faces the 2-1 groove 1712. The 6-2 groove 1344 can be opposed to the 2-2 groove 1722. A fourth driving part 1620 is disposed in the space between the 6-1 groove 1342 and the 6-2 groove 1344. The 6-1 groove 1342 can be arranged in a plurality of 6-1 grooves 1342 spaced apart in the optical axis direction. The 6-2 grooves 1344 may include a plurality of 6-2 grooves 342 spaced apart in the optical axis direction. The 6-1 groove 1342 and the 6-2 groove 1344 each have a "V" shape. The 6-1 groove 1342 may be formed in a " " shape. The 6-1 groove 1342 can contact the 4-1 guide ball 1870 and the 2-1 guide ball 1870. The 6-2 groove 1344 can contact the 4-2 guide ball 1880. The 6-2 groove 1344 can contact the 4-2 guide ball 1880 at two points. You can touch it.

[0169] The camera module 1010 may include a third lens assembly 1400 . The third lens assembly 1400 can be disposed in the housing 1100. The three-lens assembly 1400 can be secured to the housing 1100. The lens assembly 1400 can be fixed to the front portion of the housing 1100 . The third lens assembly 1400 can be disposed on the other side of the first lens group 1220. The third lens assembly 1400 is first assembled to the side of the housing 1100. After that, the first lens assembly 1200 and the second lens assembly 1300 are mounted in the housing. The assembly is placed inside the housing 1100.

[0170] The third lens assembly 1400 can include a third lens group 1420. The third lens group 1420 of the lens assembly 1400 includes at least one lens. The third lens group 1420 of the third lens assembly 1400 can be The second lens group 1220 and the second lens group 1320 are aligned in the optical axis direction. will be done.

[0171] The camera module 1010 may include a first driver 1510. 510 can be disposed in the housing 1100. The first drive unit 1510 can be disposed in the housing 1100. The first driving part 1510 can be disposed on the side of the housing 1100. The first drive unit 1510 can be disposed in the groove 1102 of the third drive unit 16. The length of the first driving unit 1510 in the optical axis direction is equal to that of the third driving unit 16. The length of the first driving part 1510 in the optical axis direction may be longer than the length of the first driving part 1510 in the optical axis direction. The length in the direction perpendicular to the optical axis of the third driving unit 1610 is The first driving part 1510 may be a solenoid coil. On the other hand, when the third driving unit 1610 is a coil, the first driving unit 1510 is a magnet. The first driving unit 1510 can be driven by the third driving unit 1610 through electromagnetic interaction. The first lens assembly 1200 can be moved along the optical axis.

[0172] The camera module 1010 may include a second driving unit 1520. The second drive unit 1520 can be disposed in the housing 1100. The second driving part 1520 can be disposed on the side of the housing 1100. The second drive unit 1520 can be disposed in the groove 1102 of the fourth drive unit 16 The length of the second driving unit 1520 in the optical axis direction is equal to that of the fourth driving unit 16. The length of the second driving part 1520 in the optical axis direction may be longer than the length of the second driving part 1520 in the optical axis direction. The length in the direction perpendicular to the optical axis of the fourth driving unit 1620 is The second driving part 1520 may be a solenoid coil. On the other hand, when the fourth driving unit 1620 is a coil, the second driving unit 1520 is a magnet. The second driving unit 1520 can be driven by the fourth driving unit 1620 through electromagnetic interaction. The second lens assembly 1300 can be moved along the optical axis.

[0173] The camera module 1010 may include a third driving unit 1610. 610 may be disposed on the first lens assembly 1200. 10 can be disposed on the first side 1230 of the first lens assembly 1200 The third driving part 1610 is driven by the groove 12 in the first side surface 1230 of the first lens assembly 1200. 36. The third driving unit 1610 can be arranged on the first lens assembly 120. 1232 and the 3-2 groove 1234 of the first side surface 1230 of the 0. The third driving unit 1610 may face the first driving unit 1510. The third driving unit 1610 may be a magnet. If the third driving unit 1610 is a magnet, the third driving unit 1610 may be a coil. The length in the optical axis direction may be shorter than the length in the optical axis direction of the first driving part 1510. The length of the third driving unit 1610 in the direction perpendicular to the optical axis direction is The third driving part 1610 may be formed to have a length shorter than that in a direction perpendicular to the axial direction. The surface facing the first driving unit 1510 is magnetized to a first polarity. The surface that is not facing the first driving unit 1610 is magnetized to the second polarity. The surface facing the third driving unit 1510 is magnetized to the first polarity and the second polarity. 1. The first lens assembly 1200 is moved to the optical axis through electromagnetic interaction with the driving unit 1510. It can be moved in any direction.

[0174] The camera module 1010 may include a fourth driver 1620. 620 may be disposed in the second lens assembly 1300. 20 can be disposed on a second side 1340 of the second lens assembly 1300. The fourth driving part 1620 is driven by the groove 13 on the second side surface 1340 of the second lens assembly 1300. 46. ​​The fourth driving unit 1620 can be arranged on the second lens assembly 130. 6-1 groove 1342 and 6-2 groove 1344 on the second side surface 1340 of The fourth driving unit 1620 can face the second driving unit 1520. The driving unit 1620 may be a magnet. Alternatively, the second driving unit 1520 may be a magnet. In the case of a net, the fourth driving unit 1620 may be a coil. The length in the optical axis direction may be shorter than the length of the second driving part 1520 in the optical axis direction. The length of the fourth driving unit 1620 in the direction perpendicular to the optical axis direction is The fourth driving part 1620 may be formed to have a length shorter than that in a direction perpendicular to the first driving part 1620. The surface facing the second driving unit 1520 is magnetized to the first polarity, and the surface not facing the second driving unit 1520 is magnetized to the first polarity. The fourth driving unit 1620 is magnetized to the second polarity. The surface facing the fourth driving unit 1620 is magnetized to the first polarity and the second polarity. The second lens assembly 1300 is moved in the optical axis direction through electromagnetic interaction with the movable portion 1520. can be moved to

[0175] That is, in the second embodiment of the present invention, the electromagnetic interaction between the first driving unit 1510 and the third driving unit 1610 is The first lens assembly 1200 is moved in the optical axis direction through the action of the second driving unit 15. 20 and the fourth driving unit 1620 through electromagnetic interaction to the second lens assembly 1300 By moving the lens in the direction of the optical axis, the zooming function can be realized. do.

[0176] The camera module 1010 may include a guide portion 1700. The guide portion 1700 can be disposed in the housing 1100. The guide portion 1700 can be formed integrally with the housing 1100. 17, the inner wall of the casing 1900 can be formed integrally with the inner wall of the casing 1900. The guide portion 1700 and the inner surface of the housing 1100 can be integrally formed. Then, the first guide portions 1730 and 1740 are formed by the first forming mechanism 1920, and the second forming mechanism The second guide portions 1710 and 1720 can be formed via a forming mechanism 1910 .

[0177] The guide portion 1700 may be formed to extend in the optical axis direction. The first lens assembly 1200 and the second lens assembly 1300 are guided in the direction of the optical axis. The guide portion 1710 includes first guide portions 1730 and 1740 and a second guide portion 1740. Guide portions 1710, 1720 may be included.

[0178] The guide portion 1710 may include first guide portions 1730 and 1740. The guide portions 1730 and 1740 are formed symmetrically with the second guide portions 1710 and 1720 with respect to the optical axis. The first guide portions 1730 and 1740 can be connected to the second guide portions 1710 and 1740. 0 may be formed at a position corresponding to each other and in a shape corresponding to each other. The first guide portion 1730 and the first guide portion 1740 may be formed to extend in the optical axis direction. , 1740 can include first grooves 1732, 1742.

[0179] The first grooves 1732 and 1742 are aligned with the first side surface 1230 of the first lens assembly 1200. The first grooves 1732 and 1742 can face each other. The first groove 173 can face the third grooves 1232 and 1234 of the first side surface 1230. 2, 1742 contact at least a portion of the first guide balls 1810, 1820. One of the first grooves 1732 and 1742 is the first guide ball 1810 or 1820. One of the first grooves 1732 and 1742 is in contact with the first guide ball. 1810 and 1820 can be in contact with each other at two points.

[0180] The first grooves 1732 and 1742 are aligned with the first side surface 1330 of the second lens assembly 1300. The first grooves 1732 and 1742 can face each other. The first groove 173 can face the fifth grooves 1332 and 1334 of the first side surface 1330. 2, 1742 contact at least a portion of the third guide balls 1850, 1860. One of the first grooves 1732 and 1742 is located in the third guide ball 1850 or 1860. The other one of the first grooves 1732 and 1742 is in contact with the third guide ball 18. 50, 1860 can make contact with one another at two points.

[0181] The first guide portions 1730, 1740 may include a first-first guide portion 1730. The first-first guide portion 1730 is spaced apart from the first-second guide portion 1740 in a direction perpendicular to the optical axis. The first-first guide portion 1730 is disposed above the first-second guide portion 1740. The length of the first-first guide portion 1730 in the optical axis direction is equal to the length of the first-second guide portion 1730 in the optical axis direction. The first-first guide portion 1730 can correspond to the length of the optical axis of the first guide portion 1740. The first guide portion 1730 may be formed to extend in the direction perpendicular to the optical axis direction. The length in the direction perpendicular to the optical axis direction of the first-second guide portion 1740 is longer than the length in the direction perpendicular to the optical axis direction of the first-second guide portion 1740. good.

[0182] The first-first guide portion 1730 may include a first-first groove 1732. 732 is the 3-1 groove 1232 on the first side surface 1230 of the first lens assembly 1200. The first-first groove 1732 can face the first-first guide ball 1810. 10 to 15, the first groove 173 2 may be formed in a "V" shape. Referring to FIGS. 10 to 15, the first groove 1 732 can contact the first-first guide ball 1810 at two points. 8, 9 and 16, the first groove 1732 is "U" shaped or "L" shaped. 8, 9 and 16, the first groove 17 32 can contact the first-first guide ball 1810 at one point.

[0183] The 1-1 groove 1732 is located on the 5-1 side of the first side 1330 of the second lens assembly 1300. The 1-1 groove 1732 can face the 3-1 guide ball. 10 to 15, at least a part of 1850 can be arranged. The 1-1 groove 1732 can contact the 3-1 guide ball 1850 at two points. 8, 9 and 16, the first groove 1732 is provided with the third guide ball 185. It can touch at 0 and 1 points.

[0184] The first guide portions 1730 and 1740 may include a first-second guide portion 1740 . The first-second guide portion 1740 is spaced apart from the first-first guide portion 1730 in a direction perpendicular to the optical axis. The first-second guide portion 1740 is disposed below the first-first guide portion 1730. The length of the first-second guide portion 1740 in the optical axis direction is The first-second guide portion 1740 can correspond to the length of the optical axis of the first guide portion 1730. The first and second guide portions 1740 may be formed to extend in the direction perpendicular to the optical axis direction. The length in the direction perpendicular to the optical axis direction of the first-first guide portion 1730 is shorter than the length in the direction perpendicular to the optical axis direction of the first-first guide portion 1730. can be achieved.

[0185] The first-second guide portion 1740 may include a first-second groove 1742. 42 corresponds to the 3-2 groove 1234 on the first side surface 1230 of the first lens assembly 1200. The first-second groove 1742 can be oriented in the direction of at least the first-second guide ball 1820. 10 to 15, the first and second grooves 1742 may be partially disposed. The can be formed in a "U" or "L" shape. The first-second groove 1742 can contact the first-second guide ball 1820 at one point. 8, 9 and 16, the first and second grooves 1742 are "V" grooves. 8, 9 and 16, the first and second grooves 17 42 can contact the first-second guide ball 1820 at two points.

[0186] The first-second groove 1742 is formed on the first side surface 1330 of the second lens assembly 1300. The first-second groove 1742 can face the second-second groove 1334. 10 to 15, at least a portion of the 1860 may be disposed. The 1-2 groove 1742 can contact the 3-2 guide ball 1860 at one point. In contrast, referring to FIGS. 8, 9 and 16, the first-second groove 1742 is a third-second groove. It can contact the guide ball 1860 at two points.

[0187] The guide portion 1710 may include second guide portions 1710 and 1720. The first guide portions 1710 and 1720 are formed symmetrically with the first guide portions 1730 and 1740 with respect to the optical axis. The second guide portions 1710 and 1720 are connected to the first guide portions 1730 and 1740. The second guide portion 1 may be formed at a position corresponding to each other and in a shape corresponding to each other. The second guide portion 1710, 1720 may be formed to extend in the optical axis direction. 1720 can include second grooves 1712, 1722.

[0188] The second grooves 1712 and 1722 are aligned with the second side surface 1240 of the first lens assembly 1200. The second grooves 1712 and 1722 can face each other. The second groove 171 can face the fourth grooves 1242 and 1244 of the second side surface 1240. 2, 1722 contact at least a portion of the second guide balls 1830, 1840. One of the second grooves 1712 and 1722 is located in the second guide ball 1830 or 1840. The second grooves 1712 and 1722 are in contact with each other at one point, and the second guide ball 18 30, 1840 can make contact with one another at two points.

[0189] The second grooves 1712 and 1722 are aligned with the second side surface 1340 of the second lens assembly 1300. The second grooves 1712 and 1722 can face each other. The second groove 171 can face the sixth grooves 1342 and 1344 of the second side surface 1340. 2, 1722 contact at least a portion of the fourth guide balls 1870, 1880. One of the second grooves 1712 and 1722 is located in the fourth guide ball 1870 or 1880. The other one of the second grooves 1712 and 1722 is in contact with the fourth guide ball 18. 70, 1880, and one in contact with the other at two points, The second guide portions 1710, 1720 may include a 2-1 guide portion 1710. The second-first guide portion 1710 is spaced apart from the second-second guide portion 1720 in a direction perpendicular to the optical axis. The second-first guide portion 1710 is disposed above the second-second guide portion 1720. The length of the 2-1 guide portion 1710 in the optical axis direction can be The 2-1 guide portion 1710 can correspond to the length of the optical axis of the 2-1 guide portion 1720. The second-first guide portion 1710 may be formed to extend in the optical axis direction. The length in the direction perpendicular to the optical axis of the 2-2 guide portion 1720 is longer than the length in the direction perpendicular to the optical axis of the 2-2 guide portion 1720. That's fine.

[0190] The 2-1 guide portion 1710 may include a 2-1 groove 1712. 712 is a 4-1 groove 1242 on the second side surface 1240 of the first lens assembly 1200. The 2-1 groove 1712 can face the 2-1 guide ball 1830. 10 to 15, the second-first groove 171 may be at least partially disposed. 2 may be formed in a "V" shape. Referring to FIGS. 10 to 15, the 2-1 groove 1 712 can contact the second-first guide ball 1830 at two points. 8, 9 and 16, the second-first groove 1712 is "U" shaped or "L" shaped. 8, 9 and 16, the second-first groove 17 12 can contact the second-first guide ball 1830 at one point.

[0191] The 2-1 groove 1712 is located on the 6-th side of the second side surface 1340 of the second lens assembly 1300. The 2-1 groove 1712 can face the 4-1 guide ball. 10 to 15, at least a portion of the 1870 may be disposed. The 2-1 groove 1712 can contact the 4-1 guide ball 1870 at two points. 8, 9 and 16, the second groove 1712 is provided with the fourth guide ball 187. It can touch at 0 and 1 points.

[0192] The second guide portions 1710 and 1720 may include a second-second guide portion 1720. The 2-2 guide portion 1720 is spaced apart from the 2-1 guide portion 1710 in a direction perpendicular to the optical axis. The second-second guide portion 1720 is disposed below the second-first guide portion 1710. The length of the 2-2 guide portion 1720 in the optical axis direction is equal to the length of the 2-1 guide portion The 2-2 guide portion 1720 can correspond to the length of the optical axis of the optical axis The second guide portion 1720 may be formed to extend in a direction perpendicular to the optical axis direction. The length in the direction perpendicular to the optical axis direction of the 2-1 guide portion 1710 is shorter than the length in the direction perpendicular to the optical axis direction of the 2-1 guide portion 1710. can be achieved.

[0193] The 2-2 guide portion 1720 may include a 2-2 groove 1722. 722 is connected to the 4-2 groove 1244 on the second side surface 1240 of the first lens assembly 1200. The 2-2 groove 1722 can face the 2-2 guide ball 1840. 10 to 15, the second-second groove 172 may be at least partially disposed. 2 can be formed in a "U" or "L" shape. See Figures 10 to 15. The 2-2 groove 1722 can contact the 2-2 guide ball 1840 at one point. In contrast to this, referring to FIGS. 8, 9 and 16, the 2-2 groove 1722 is 8, 9 and 16, the second groove 1 722 can contact the second-second guide ball 1840 at two points.

[0194] The 2-2 groove 1722 is located on the 6-th side of the second side surface 1340 of the second lens assembly 1300. The 2-2 groove 1722 can face the 4-2 guide ball. 10 to 15, at least a portion of 1880 can be arranged. The 2-2 groove 1722 can contact the 4-2 guide ball 1880 at one point. In contrast, referring to FIGS. 8, 9 and 16, the 2-2 groove 1722 is It can contact the guide ball 1880 at two points.

[0195] The camera module 1010 may include a guide ball 1800. The lens 1800 is disposed between the first lens assembly 1200 and the guide portion 1700. The guide ball 1800 can be used to connect the second lens assembly 1300 and the guide portion 1 It can be placed between 700 and 1000.

[0196] The guide ball 1800 can include first guide balls 1810, 1820. The first guide balls 1810 and 1820 are aligned with the first side surface 1 of the first lens assembly 1200. 230 and the first guide portions 1730 and 1740.

[0197] The first guide balls 1810, 1820 may include a first-first guide ball 1810. The first-first guide ball 1810 is inserted into the first-first groove 17 of the first-first guide portion 1730. 32 and the 3-1 groove 1232 of the first side surface 1230 of the first lens assembly 1200 The first-first guide balls 1810 can be arranged at intervals in the optical axis direction. The guide balls 1812, 1814 may be included.

[0198] The first guide balls 1810, 1820 may include a first-second guide ball 1820. The first-second guide ball 1820 is inserted into the first-second groove 17 of the first-second guide portion 1740. 42 and the 3-2 groove 1234 of the first side surface 1230 of the first lens assembly 1200 The first and second guide balls 1820 can be arranged in a spaced relationship in the optical axis direction. The guide balls 1822, 1824 may be included.

[0199] The guide ball 1800 can include second guide balls 1830, 1840. The second guide balls 1830, 1840 are aligned with the second side 1 of the first lens assembly 1200. 240 and the second guide portions 1710 and 1720.

[0200] The second guide balls 1830, 1840 may include a second-first guide ball 1830. The 2-1 guide ball 1830 is inserted into the 2-1 groove 17 of the 2-1 guide portion 1710. 12 and the 4-1 groove 1242 of the second side surface 1240 of the first lens assembly 1200 can be placed in

[0201] The second guide balls 1830, 1840 may include a second guide ball 1840. The 2-2 guide ball 1840 is inserted into the 2-2 groove 17 of the 2-2 guide portion 1720. 22 and the 4-2 groove 1244 of the second side surface 1240 of the first lens assembly 1200. It is possible.

[0202] The guide ball 1800 can include third guide balls 1850, 1860. The third guide balls 1850 and 1860 are aligned with the first side 1 of the second lens assembly 1300. 330 and the first guide portions 1730 and 1740.

[0203] The third guide balls 1850, 1860 may include a third-first guide ball 1850. The third-first guide ball 1850 is inserted into the first-first groove 17 of the first-first guide portion 1730. 32 and the 5-1 groove 1332 of the first side surface 1330 of the second lens assembly 1300 can be placed in

[0204] The third guide balls 1850, 1860 may include a third-second guide ball 1860. The 3-2 guide ball 1860 is inserted into the 1-2 groove 17 of the 1-2 guide portion 1840. 42 and the 5-2 groove 1334 of the first side surface 1330 of the second lens assembly 1300 can be placed in

[0205] The guide ball 1800 can include fourth guide balls 1870, 1880. The fourth guide balls 1870 and 1880 are aligned with the second side surface 1 of the second lens assembly 1300. 340 and the second guide portions 1710 and 1720.

[0206] The fourth guide balls 1870, 1880 may include a fourth-first guide ball 1870. The 4-1 guide ball 1870 is inserted into the 2-1 groove 17 of the 2-1 guide part 1710. 12 and the 6-1 groove 1342 of the second side surface 1340 of the second lens assembly 1300 The fourth-first guide balls 1870 can be arranged at intervals in the optical axis direction. The guide balls 1872, 1874 may include two guide balls 1872, 1874.

[0207] The fourth guide balls 1870, 1880 may include a fourth-second guide ball 1880. The 4-2 guide ball 1880 is inserted into the 2-2 groove 17 of the 2-2 guide portion 1720. 22 and the 6-2 groove 1223 of the second side surface 1240 of the second lens assembly 1300 The 4-2 guide balls 1800 can be arranged at intervals in the optical axis direction. The guide balls 1882, 1884 may be included.

[0208] Although the embodiments of the present invention have been described above with reference to the accompanying drawings, A person having ordinary skill in the art would understand that the present invention is different from the present invention without changing its technical idea or essential features. It should be understood that the present invention can be embodied in any of the following specific forms. It should be understood that the described embodiments are illustrative in all respects and not restrictive. must.

Claims

1. housing; a lens assembly disposed in the housing; a first drive unit disposed on the lens assembly; a second drive unit disposed in the housing and facing the first drive unit; A sensor magnet disposed on the lens assembly and extending in the optical axis direction. and a plurality of sensors disposed in the housing and facing the sensor magnet; Including, The sensor magnet is a first magnet that is perpendicular to the lens assembly and the optical axis direction. and a second direction perpendicular to the optical axis direction and the first direction. A camera module that is mounted on a camera body.

2. The length of the sensor magnet in the optical axis direction is equal to the moving stroke of the lens assembly. The camera module of claim 1 , which is larger than Roke.

3. The plurality of sensors include a first sensor and a second sensor spaced apart from the first sensor in the optical axis direction. The camera module of claim 1 including a second sensor.

4. The distance between the first sensor and the second sensor and the movement speed of the lens assembly The total stroke is the length of the sensor magnet in the optical axis direction. Corresponding camera module according to claim 3.

5. a first yoke disposed between the lens assembly and the sensor magnet; The camera module of claim 1 .

6. The first yoke is provided on the sensor magnet except for a surface facing the plurality of sensors. The camera module of claim 5 , wherein the camera module encases a surface that has been opened.

7. The lens assembly includes a first lens assembly and a second lens assembly. a second lens assembly disposed on one side of the The sensor magnet is a first sensor magnet disposed on the first lens assembly. a second sensor magnet disposed on the second lens assembly; The first sensor magnet and the second sensor magnet are arranged perpendicular to the optical axis. The camera module of claim 1 , wherein the camera modules are spaced apart in a direction and have corresponding lengths.

8. The first driving unit includes a first-1 driving unit disposed on the first lens assembly; a first-second driving unit disposed on the second lens assembly; The second driving unit includes a second-first driving unit facing the first-first driving unit and a first-second driving unit facing the first-second driving unit.

8. The camera module according to claim 7, further comprising a second-second drive section facing the drive section.

9. a second yoke disposed between the lens assembly and the first driving unit; The second yoke is disposed between the first driving unit and the first lens assembly. a second-1 yoke disposed between the first-2 driving unit and the second lens assembly; 9. The camera module of claim 8, further comprising a second-second yoke.

10. housing; a lens assembly disposed in the housing; a first drive unit disposed on the lens assembly; a second drive unit disposed in the housing and facing the first drive unit; A sensor magnet disposed on the lens assembly and extending in the optical axis direction. and a plurality of sensors disposed in the housing and facing the sensor magnet; Including, The plurality of sensors include a first sensor and a second sensor spaced apart from the first sensor in the optical axis direction. a second sensor; The distance between the first sensor and the second sensor and the movement speed of the lens assembly The total torque is the camera motor torque corresponding to the length of the sensor magnet in the optical axis direction. Jules.

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