WO2022055074A1 - 렌즈구동장치, 카메라 모듈 및 광학기기 - Google Patents
렌즈구동장치, 카메라 모듈 및 광학기기 Download PDFInfo
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- WO2022055074A1 WO2022055074A1 PCT/KR2021/006593 KR2021006593W WO2022055074A1 WO 2022055074 A1 WO2022055074 A1 WO 2022055074A1 KR 2021006593 W KR2021006593 W KR 2021006593W WO 2022055074 A1 WO2022055074 A1 WO 2022055074A1
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Images
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B5/00—Adjustment of optical system relative to image or object surface other than for focusing
- G03B5/04—Vertical adjustment of lens; Rising fronts
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
- G03B13/32—Means for focusing
- G03B13/34—Power focusing
- G03B13/36—Autofocus systems
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/02—Bodies
- G03B17/12—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B3/00—Focusing arrangements of general interest for cameras, projectors or printers
- G03B3/10—Power-operated focusing
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B30/00—Camera modules comprising integrated lens units and imaging units, specially adapted for being embedded in other devices, e.g. mobile phones or vehicles
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- G—PHYSICS
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- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B5/00—Adjustment of optical system relative to image or object surface other than for focusing
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/21—Devices for sensing speed or position, or actuated thereby
- H02K11/215—Magnetic effect devices, e.g. Hall-effect or magneto-resistive elements
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/30—Structural association with control circuits or drive circuits
- H02K11/33—Drive circuits, e.g. power electronics
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
- H02K41/02—Linear motors; Sectional motors
- H02K41/035—DC motors; Unipolar motors
- H02K41/0352—Unipolar motors
- H02K41/0354—Lorentz force motors, e.g. voice coil motors
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- G—PHYSICS
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- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B2205/00—Adjustment of optical system relative to image or object surface other than for focusing
- G03B2205/0007—Movement of one or more optical elements for control of motion blur
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B2205/00—Adjustment of optical system relative to image or object surface other than for focusing
- G03B2205/0007—Movement of one or more optical elements for control of motion blur
- G03B2205/0015—Movement of one or more optical elements for control of motion blur by displacing one or more optical elements normal to the optical axis
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B2205/00—Adjustment of optical system relative to image or object surface other than for focusing
- G03B2205/0007—Movement of one or more optical elements for control of motion blur
- G03B2205/0023—Movement of one or more optical elements for control of motion blur by tilting or inclining one or more optical elements with respect to the optical axis
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B2205/00—Adjustment of optical system relative to image or object surface other than for focusing
- G03B2205/0053—Driving means for the movement of one or more optical element
- G03B2205/0069—Driving means for the movement of one or more optical element using electromagnetic actuators, e.g. voice coils
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/54—Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/68—Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
- H04N23/682—Vibration or motion blur correction
- H04N23/685—Vibration or motion blur correction performed by mechanical compensation
- H04N23/687—Vibration or motion blur correction performed by mechanical compensation by shifting the lens or sensor position
Definitions
- This embodiment relates to a lens driving device, a camera module, and an optical device.
- a camera module that takes a picture or video of a subject as a representative one. Meanwhile, an autofocus function for automatically adjusting a focus according to a distance of a subject is applied to a recent camera module. In addition, a hand shake correction function for correcting the user's hand shake is also applied.
- the present embodiment intends to provide a lens driving device capable of realizing an autofocus function and an image stabilization function even in a small camera module having a high pixel.
- the lens driving device includes a base; a housing disposed on the base; a substrate disposed between the base and the housing; a holder disposed within the housing; a first magnet and a first coil for moving the housing and the holder in an optical axis direction; a second magnet disposed on the holder; a second coil disposed between the housing and the substrate and disposed at a position corresponding to the second magnet; and the second coil moves the holder in a direction perpendicular to the optical axis direction, a first region of the substrate is connected to the housing and a second region of the substrate is connected to the base, and the second region of the substrate is connected to the base. Region 1 may be moved according to the movement of the housing.
- the first region may include a body portion on which the second coil is disposed, and the substrate may include an elastic connection portion connecting the first region and the second region.
- the elastic connection part may connect the body part and the second region.
- the first region may include one end coupled to the housing, and an elastic connector connecting the one end and the body.
- the lens driving device includes a base; a first frame disposed on the base; a substrate disposed between the base and the first frame; a second frame disposed within the first frame; a third frame disposed between the first frame and the second frame; a second magnet disposed on the second frame; a second coil disposed between the first frame and the substrate and disposed at a position corresponding to the second magnet; and the second coil moves the second frame in a direction perpendicular to the optical axis direction, the first frame moves in the optical axis direction, the second frame moves in a direction perpendicular to the optical axis direction, and the substrate may be moved according to the movement of the first frame.
- the substrate includes a first region coupled to the base, a second region coupled to the first frame, and an elastic connection portion connecting the first region and the second region, and the elastic connection portion of the substrate is flexible. It may include a part having a.
- the elastic connection portion of the substrate may have a shape bent a plurality of times, and the elastic connection portion of the substrate may overlap the second coil in the optical axis direction.
- the substrate may be formed in a shape symmetrical with respect to an optical axis.
- the mover includes the first to third frames, the first frame includes a housing, the second frame includes a holder, the third frame includes a frame, and the lens driving device includes the housing. and a first ball disposed between the frame; and a second ball disposed between the frame and the holder.
- the housing includes a first groove in which the first ball is disposed, the first ball is in contact with the housing at two or more points, and the first groove of the housing is in a first direction perpendicular to the optical axis direction. It may be formed to be longer than the diameter of the first ball.
- the frame includes a first groove formed on an upper surface of the frame and in which the second ball is disposed, and the first groove of the frame includes the second groove in the optical axis direction and in a second direction perpendicular to the first direction. It may be formed longer than the diameter of the ball.
- the frame is formed on a lower surface of the frame and includes a second groove in which the first ball is disposed, the second groove of the frame is formed in a shape corresponding to at least a portion of the first ball, and the holder comprises: and a groove in which the second ball is disposed, and the groove of the holder may be formed in a shape corresponding to at least a portion of the second ball.
- the first ball guides the frame to move in a first direction perpendicular to the optical axis direction with respect to the housing, and the second ball moves the holder with respect to the frame in the optical axis direction and the first direction perpendicular to the first direction. It may be guided to move in the second direction.
- the lens driving device may include a first coil disposed in the housing; and a first magnet disposed on the base.
- the first coil may be electrically connected to the substrate.
- the lens driving device may include a first yoke disposed in the housing and disposed in the first coil.
- the housing may include a lower plate and a side plate extending from the lower plate, the second coil may be disposed on a lower surface of the lower plate of the housing, and the substrate may be coupled to the lower surface of the lower plate of the housing.
- the lens driving device may include a second yoke disposed in the second coil on the lower surface of the lower plate of the housing.
- the lens driving device may include a third ball contacting the housing and the base, and the third ball may guide the housing to move in the optical axis direction with respect to the base.
- the lens driving device may include a cover member including an upper plate and a side plate extending from the upper plate; and a spacer disposed between the cover member and the base, wherein the housing includes a second groove in which the third ball is disposed, the spacer protruding downward from the upper plate and the upper plate of the spacer and at least A portion may include a protrusion inserted into the second groove of the housing.
- the lens driving device may include: a driver IC including a hall element sensing the first magnet, disposed on the substrate, and electrically connected to the first coil; and a Hall sensor disposed on the substrate and sensing the second magnet.
- the lens driving device includes a third ball contacting the housing and the base, wherein the third ball includes a 3-1 ball disposed on one side of the first coil and a third ball disposed on the other side of the first coil. and a 3-2 ball, wherein the base includes a first surface facing the housing, and a groove recessed in the first surface of the base, wherein the 3-1 ball is the second surface of the base. It is disposed on one surface, and the 3-2 ball may be disposed in the groove of the base.
- a groove may not be formed in a region of the first surface of the base on which the 3-1 ball is disposed.
- the housing may include a protrusion that protrudes toward the first surface of the base, and the third ball may be disposed on the protrusion of the housing.
- the lens driving device may include a third magnet disposed on the base; and a fourth magnet disposed on the housing, wherein the fourth magnet may be disposed at a position corresponding to the third magnet so that an attractive force acts with the third magnet.
- the lens driving device may include a housing cover coupled to the housing and disposed on the holder; a fifth magnet disposed on the housing cover; and a sixth magnet disposed in the holder, wherein the frame and the second ball are disposed under the holder, and the sixth magnet corresponds to the fifth magnet so that a repulsive force acts with the fifth magnet. may be placed in position.
- the lens driving device may include a second yoke disposed on the base at a position corresponding to the second magnet so that an attractive force acts with the second magnet.
- the camera module includes a printed circuit board; an image sensor disposed on the printed circuit board; the lens driving device disposed on the printed circuit board; and a lens coupled to the second frame of the lens driving device.
- the optical device includes a main body; the camera module disposed on the body; and a display disposed on the main body and outputting at least one of an image and an image captured by the camera module.
- the lens driving device includes a base; a housing disposed within the base; a holder disposed within the housing; a first magnet and a first coil for moving the housing and the holder in an optical axis direction; a second magnet disposed on the holder; a second coil disposed in the housing and disposed at a position corresponding to the second magnet; and a substrate connecting the housing and the base, wherein the substrate includes a first coupling part coupled to the base, a second coupling part coupled to the housing, and the first coupling part and the second coupling part A connection portion for connecting may be included, the connection portion of the substrate may include a flexible portion, and the second coupling portion of the substrate may be coupled to the second coil through a conductive member.
- the lens driving device includes a base; a first frame disposed on the base; a second frame disposed within the first frame; a first magnet disposed on one of the base and the first frame and a first coil disposed on the other of the base and the first frame; a second magnet disposed on the second frame; a first frame cover coupled to the first frame and disposed on the second frame; a magnet for a first repulsive force disposed on the second frame; and a second repulsive force magnet disposed on the first frame cover and disposed at a position corresponding to the first repulsive force magnet, between the first repulsive force magnet and the second repulsive force repulsive force in the optical axis direction. This can happen.
- a third frame disposed between the first frame and the second frame may be included.
- It may include a fifth magnet disposed on the third frame.
- the camera module including the lens driving device can be miniaturized and high-pixelated.
- FIG. 1 is a perspective view of a lens driving device according to the present embodiment.
- FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1 .
- FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1 .
- FIG. 4 is a cross-sectional view taken along line C-C of FIG. 1 .
- FIG. 5 is a perspective view of a state in which a cover member is omitted in FIG. 1 .
- FIG. 6 is an exploded perspective view of the lens driving device according to the present embodiment.
- FIG. 7 is a perspective view showing a housing and related configuration of the lens driving device according to the present embodiment.
- FIG. 8 is a perspective view of FIG. 7 viewed from another direction.
- FIG. 9 is a plan view showing a substrate and related configuration of the lens driving device according to the present embodiment.
- FIG. 10 is a perspective view illustrating a coupling state between a housing and a substrate of the lens driving device according to the present embodiment.
- FIG. 11 is a plan view showing the arrangement structure of the housing and the first ball of the lens driving device according to the present embodiment.
- FIG. 12 is a plan view illustrating a state in which the mover is disposed in FIG. 11 .
- FIG. 13 is a bottom view of a mover and related configuration of the lens driving device according to the present embodiment.
- FIG. 14 is a plan view showing a state in which the second ball is disposed in FIG. 12, an enlarged view of the groove of the mover, and a view of a modification.
- Fig. 15 is a plan view showing a state in which the holder is arranged in Fig. 14;
- 16 is a bottom view of a holder and related components of the lens driving device according to the present embodiment, and an enlarged view of a groove of the holder.
- 17 is a plan view of a partial configuration of the lens driving apparatus according to the present embodiment.
- FIG. 18 is a perspective view illustrating a state in which a cover member and a spacer are omitted in the lens driving device according to the present embodiment.
- 19 is a view for explaining OIS driving of the lens driving device according to the present embodiment.
- 20 is a view for explaining AF driving of the lens driving device according to the present embodiment.
- 21 is a plan view and an enlarged view showing a third ball and related configuration of a lens driving device according to a modified example.
- FIG. 22 is a view showing another modified example of the third ball shown in FIG. 21 and a related configuration.
- 23 and 24 are perspective views illustrating an arrangement state of a third magnet and a fourth magnet of a lens driving device according to a modified example.
- 25 is a perspective view and a partially enlarged perspective view illustrating an arrangement state of a housing cover of a lens driving device, a fifth magnet, and a sixth magnet according to a modified example;
- Figure 26 (a) is a view showing the housing cover and the fifth magnet, (b) is a view showing the arrangement of the sixth magnet.
- FIG. 27 is a view showing an arrangement state of the second yoke of the lens driving device according to the modified example.
- 29 is a perspective view of an optical device according to the present embodiment.
- the singular form may also include the plural form unless otherwise specified in the phrase, and when it is described as "at least one (or more than one) of A and (and) B, C", it is combined as A, B, C It may include one or more of all possible combinations.
- a component when it is described that a component is 'connected', 'coupled', or 'connected' to another component, the component is directly 'connected', 'coupled', or 'connected' to the other component. In addition to the case, it may include a case of 'connected', 'coupled', or 'connected' due to another element between the element and the other element.
- An 'optical axis direction' used below is defined as an optical axis direction of a lens and/or an image sensor coupled to the lens driving device.
- the 'vertical direction' used below may be a direction parallel to the optical axis direction.
- the vertical direction may correspond to the 'z-axis direction'.
- the 'horizontal direction' used below may be a direction perpendicular to the vertical direction. That is, the horizontal direction may be a direction perpendicular to the optical axis. Accordingly, the horizontal direction may include an 'x-axis direction' and a 'y-axis direction'.
- the 'autofocus function' used below is to automatically focus on the subject by adjusting the distance from the image sensor by moving the lens in the optical axis direction according to the distance of the subject so that a clear image of the subject can be obtained on the image sensor. defined as a function. Meanwhile, 'auto focus' may correspond to 'AF (Auto Focus)'.
- the 'shake correction function' used below is defined as a function of moving or tilting the lens in a direction perpendicular to the optical axis direction to cancel vibration (movement) generated in the image sensor by an external force. Meanwhile, 'shake correction' may be used interchangeably with 'OIS (Optical Image Stabilization)' or 'optical image stabilization'.
- 'OIS Optical Image Stabilization
- FIG. 1 is a perspective view of a lens driving device according to this embodiment
- FIG. 2 is a cross-sectional view taken along line AA of FIG. 1
- FIG. 3 is a cross-sectional view taken along line BB of FIG. 1
- FIG. 4 is a cross-sectional view taken along line CC of FIG.
- FIG. 5 is a perspective view of a state in which the cover member is omitted from FIG. 1
- FIG. 6 is an exploded perspective view of the lens driving device according to the present embodiment
- FIG. 7 is a housing and related configuration of the lens driving device according to the present embodiment
- Fig. 8 is a perspective view of Fig. 7 when viewed from another direction
- FIG. 9 is a plan view showing a substrate and related configuration of the lens driving device according to the present embodiment
- Fig. 10 is a lens driving device according to the present embodiment. It is a perspective view showing the coupling state between the housing of the device and the substrate
- FIG. 11 is a plan view showing the arrangement structure of the housing and the first ball of the lens driving device according to the present embodiment
- FIG. 12 is the mover disposed in FIG. It is a plan view showing a state
- FIG. 13 is a bottom view of a mover and related configuration of the lens driving device according to the present embodiment
- FIG. 14 is a plan view showing a state in which the second ball is disposed in FIG.
- FIG. 15 is a plan view showing a state in which the holder is disposed in FIG. 14
- FIG. 16 is a bottom view of the holder and related components of the lens driving device according to the present embodiment
- the groove of the holder is an enlarged view of
- FIG. 17 is a plan view of a partial configuration of the lens driving device according to the present embodiment
- FIG. 18 is a perspective view of the lens driving device according to the present embodiment in which the cover member and the spacer are omitted
- FIG. 19 is It is a view for explaining the OIS driving of the lens driving device according to the present embodiment
- FIG. 20 is a view for explaining the AF driving of the lens driving device according to the present embodiment.
- the lens driving device 10 may include a stator 100 .
- the stator 100 may move the first mover 200 and the second mover 300 .
- the stator 100 may accommodate the first mover 200 and the second mover 300 therein.
- the stator 100 may be a relatively fixed part when the first mover 200 and the second mover 300 move.
- the lens driving device 10 may include a base 110 .
- the stator 100 may include a base 110 .
- the base 110 may be disposed outside the housing 210 .
- the base 110 may be disposed outside the holder 310 .
- the base 110 may accommodate at least a portion of the housing 210 .
- the base 110 may accommodate at least a portion of the holder 310 .
- the base 110 may be coupled to the cover member 130 .
- the base 110 may be spaced apart from the holder 310 .
- the base 110 may be at least partially spaced apart from the housing 210 .
- the base 110 may include a lower plate and a side plate.
- the base 110 may include a lower plate disposed under the housing 210 and a plurality of side plates extending upwardly from the lower plate.
- a plurality of side plates of the base 110 may be disposed to surround the housing 210 .
- the base 110 may include a groove 111 .
- the groove 111 may accommodate the third ball 530 .
- the groove 111 may be a third ball receiving groove.
- the groove 111 may be recessed in the inner surface of the side plate of the base 110 .
- the depth of the groove 111 may be smaller than the diameter of the third ball 530 .
- the third ball 530 may contact the groove 111 at at least two points.
- the third ball 530 may contact the groove 111 at three points. As a modification, the third ball 530 may contact the groove 111 at one point.
- the lens driving device 10 may include a first magnet 120 .
- the stator 100 may include a first magnet 120 .
- the first magnet 120 may be disposed on the base 110 .
- the first magnet 120 may face the first coil 220 .
- the first magnet 120 may be disposed to face the first coil 220 .
- the first magnet 120 may electromagnetically interact with the first coil 220 .
- the first magnet 120 may move the housing 210 and the holder 310 in the optical axis direction.
- the first magnet 120 may be a magnet for driving AF.
- the first magnet 120 may move the housing 210 and the holder 310 in the optical axis direction through interaction with the first coil 220 .
- the first magnet 120 may move the housing 210 and the holder 310 in the optical axis direction through electromagnetic interaction with the first coil 220 .
- the lens driving device 10 may include a cover member 130 .
- the stator 100 may include a cover member 130 .
- the cover member 130 may cover the base 110 .
- the cover member 130 may be disposed to surround the base 110 .
- the cover member 130 may cover the base 110 .
- the cover member 130 may cover the housing 210 .
- the cover member 130 may cover the holder 310 .
- the cover member 130 may include a 'cover can'.
- the cover can support the entire structure.
- the cover member 130 may be a non-magnetic material.
- the cover member 130 may be formed of metal.
- the cover member 130 may be formed of a metal plate.
- the cover member 130 may be connected to the ground portion of the printed circuit board 50 . Through this, the cover member 130 may be grounded.
- the cover member 130 may block electromagnetic interference (EMI). In this case, the cover member 130 may be referred to as an 'EMI shield can'.
- EMI electromagnetic interference
- the cover member 130 may include a top plate 131 .
- the cover member 130 may include a side plate 132 .
- the cover member 130 may include an upper plate 131 and a side plate 132 extending from the upper plate 131 .
- the side plate 132 of the cover member 130 may be coupled to the base.
- the cover member 130 may include a top plate 131 including a hole, and a side plate 132 extending downward from an outer periphery or edge of the top plate 131 .
- the side plate 132 may include a plurality of side plates.
- the side plate 132 may include four side plates.
- the lens driving device 10 may include a spacer 140 .
- the stator 100 may include spacers 140 .
- the spacer 140 may be disposed between the cover member 130 and the base 110 .
- the spacer 140 may be disposed on the base 110 .
- the spacer 140 may be coupled to the base 110 .
- the spacer 140 may include an upper plate 141 .
- the spacer 140 may include a protrusion 142 .
- the protrusion 142 may protrude downward from the upper plate 141 . At least a portion of the protrusion 142 may be inserted into the second groove 212 of the housing 210 . Through this, the protrusion 142 of the spacer 140 may prevent the third ball 530 disposed in the second groove 212 of the housing 210 from being separated upward.
- the spacer 140 may be assembled to prevent the ball and the magnet from falling out.
- the lens driving device 10 may include a first mover 200 .
- the first mover 200 may be disposed in the stator 100 .
- the first mover 200 may be movably disposed in the stator 100 .
- the first mover 200 may move in the optical axis direction with respect to the stator 100 .
- the second mover 300 may move together with the first mover 200 .
- the first mover 200 may move for AF driving.
- the first mover 200 may be an AF mover.
- the lens driving device 10 may include a housing 210 .
- the first mover 200 may include a housing 210 .
- the housing 210 may be disposed in the base 110 .
- the housing 210 may be disposed outside the holder 310 .
- the housing 210 may accommodate the holder 310 therein.
- a first coil 220 and a second coil 230 may be disposed in the housing 210 .
- the housing 210 may move in the optical axis direction.
- the housing 210 may move when the AF is driven.
- the housing 210 may include a first groove 211 .
- a first ball 510 may be disposed in the first groove 211 .
- the first groove 211 may be a first ball receiving groove.
- the first groove 211 may be formed to be longer than a diameter of the first ball 510 in a first direction perpendicular to the optical axis direction.
- the first groove 211 may guide the first ball 510 to move in a first direction perpendicular to the optical axis direction.
- the housing 210 may include a second groove 212 .
- a third ball 530 may be disposed in the second groove 212 .
- the second groove 212 may be a third ball receiving groove.
- the second groove 212 may be formed on the outer surface of the housing 210 .
- the housing 210 may include a first surface facing the side plate of the base 110 .
- the second groove 212 may be recessed in the first surface of the housing 210 .
- the second groove 212 may be formed to extend in the optical axis direction.
- the second groove 212 may be formed to be longer than the diameter of the third ball 530 in the optical axis direction.
- the second groove 212 may guide the third ball 530 to move in the optical axis direction.
- the housing 210 may include a lower plate 213 .
- the lower plate 213 may be disposed between the holder 310 and the base 110 .
- the lower plate 213 may be disposed under the holder 310 and the mover 330 .
- a lower stopper in contact with the base 110 may be formed on a lower surface of the lower plate 213 .
- the lower stopper may be formed on at least one of the housing 210 and the base 110 .
- the lower stopper may mechanically limit the downward movement of the housing 210 .
- the housing 210 may include a side plate 214 .
- the side plate 214 may extend from the lower plate 213 .
- the side plate 214 may include a plurality of side plates.
- the side plate 214 may include four side plates.
- a first coil 220 may be disposed on the side plate 214 .
- a third ball 530 may be disposed on the side plate 214 .
- the lens driving device 10 may include a first coil 220 .
- the first mover 200 may include a first coil 220 .
- the first coil 220 may face the first magnet 120 .
- the first coil 220 may be disposed to face the first magnet 120 .
- the first coil 220 may move the housing 210 and the holder 310 in the optical axis direction.
- the first coil 220 may be an AF driving coil.
- the first coil 220 may move the housing 210 and the holder 310 in the optical axis direction through interaction with the first magnet 120 .
- the first coil 220 may move the housing 210 and the holder 310 in the optical axis direction through electromagnetic interaction with the first magnet 120 .
- the first coil 220 may be disposed in the housing 210 .
- the first coil 220 may be electrically connected to the substrate 400 .
- the lens driving device 10 may include a second coil 230 .
- the first mover 200 may include a second coil 230 .
- the second coil 230 may be disposed in the housing 210 .
- the second coil 230 may be disposed at a position corresponding to the second magnet 320 .
- the second coil 230 may move the holder 310 in a direction perpendicular to the optical axis direction.
- the second coil 230 may be an OIS driving coil.
- the second coil 230 may move the holder 310 in a direction perpendicular to the optical axis direction through interaction with the second magnet 320 .
- the second coil 230 may move the holder 310 in a direction perpendicular to the optical axis direction through electromagnetic interaction with the second magnet 320 .
- the second coil 230 may be disposed on a lower surface of the lower plate 213 of the housing 210 .
- the second coil 230 may include a plurality of coils.
- the second coil 230 may include four coils.
- the second coil 230 may include 2-1 to 2-4th coils 231 , 232 , 233 , and 234 .
- the second coil 230 may include an OIS-X coil that moves the holder 310 in the x-axis direction (the first direction).
- the second coil 230 may include an OIS-Y coil that moves the holder 310 in the y-axis direction (the second direction perpendicular to the first direction).
- the optical axis may be the z-axis.
- the 2-1th coil 231 and the 2nd-2nd coil 232 may move the holder 310 in the x-axis direction.
- the second-first coil 231 and the second-second coil 232 may be electrically connected. As a modification, the second-first coil 231 and the second-second coil 232 may be electrically separated and controlled, respectively.
- the 2-3rd coil 233 and the 2-4th coil 234 may move the holder 310 in the y-axis direction. The 2-3rd coil 233 and the 2-4th coil 234 may be electrically connected. As a modification, the second-third coil 233 and the second-fourth coil 234 may be electrically separated and controlled, respectively.
- the 2-1 coil 231 may be a first unit coil.
- the second-second coil 232 may be a second unit coil.
- the second-third coil 233 may be a third unit coil.
- the 2-4 coil 234 may be a fourth unit coil.
- the lens driving device 10 may include a first yoke 240 .
- the first mover 200 may include a first yoke 240 .
- the first yoke 240 may be disposed in the housing 210 .
- the first yoke 240 may be disposed in the first coil 220 .
- the first yoke 240 may be formed of a magnetic material.
- the first yoke 240 may be formed of metal. At least a portion of the first yoke 240 may face the first magnet 120 .
- the first yoke 240 may be disposed at a position corresponding to the first magnet 120 . An attractive force may act between the first yoke 240 and the first magnet 120 .
- the housing 210 may press the third ball 530 toward the base 110 . Accordingly, the contact between the housing 210 and the third ball 530 and the contact between the base 110 and the third ball 530 may be maintained.
- the first yoke 240 may be an AF yoke.
- the lens driving device 10 may include a second yoke 250 .
- the first mover 200 may include a second yoke 250 .
- the second yoke 250 may be disposed on a lower surface of the lower plate 213 of the housing 210 .
- the second yoke 250 may be disposed in the second coil 230 .
- the second yoke 250 may be larger than the second coil 230 .
- the second yoke 250 may be disposed between the second coil 230 and the housing 210 .
- the second yoke 250 may be formed of a magnetic material.
- the second yoke 250 may be formed of metal. At least a portion of the second yoke 250 may face the second magnet 320 .
- the second yoke 250 may be disposed at a position corresponding to the second magnet 320 .
- An attractive force may act between the second yoke 250 and the second magnet 320 .
- the mover 330 may press the first ball 510 toward the housing 210 . Accordingly, the contact between the mover 330 and the first ball 510 and the contact between the housing 210 and the first ball 510 may be maintained.
- the second yoke 250 may be an OIS yoke.
- the lens driving device 10 may include a second mover 300 .
- the second mover 300 may be disposed in the stator 100 .
- the second mover 300 may be movably disposed in the first stator 100 .
- the second mover 300 may be disposed within the first mover 200 .
- the second mover 300 may be movably disposed within the first mover 200 .
- the second mover 300 may move in a direction perpendicular to the optical axis direction with respect to the stator 100 and the first mover 200 .
- the second mover 300 may move to drive the OIS.
- the second mover 300 may be an OIS mover.
- the lens driving device 10 may include a holder 310 .
- the second mover 300 may include a holder 310 .
- the holder 310 may be disposed in the housing 210 .
- the holder 310 may be disposed in the base 110 .
- the holder 310 may be disposed in the cover member 130 .
- the holder 310 may be coupled to the lens.
- a second magnet 320 may be disposed on the holder 310 .
- the holder 310 may move when the OIS is driven.
- the holder 310 may move together with the housing 210 even when the AF is driven.
- the holder 310 may include a groove 311 .
- a second ball 520 may be disposed in the groove 311 .
- the groove 311 may be a second ball receiving groove.
- the groove 311 may be formed in a shape corresponding to at least a portion of the second ball 520 .
- the groove 311 may be formed to prevent the second ball 520 from being separated.
- the groove 311 may contact the second ball 520 at one point. Alternatively, the groove 311 may contact the second ball 520 at two points.
- the groove 311 may contact the second ball 520 at three or more points.
- the groove 311 may be formed on the lower surface of the holder 310 .
- the lens driving device 10 may include a second magnet 320 .
- the second mover 300 may include a second magnet 320 .
- the second magnet 320 may be disposed on the holder 310 .
- the second magnet 320 may face the second coil 230 .
- the second magnet 320 may be disposed to face the second coil 230 .
- the second magnet 320 may overlap the second coil 230 in the optical axis direction.
- the second magnet 320 may be disposed at a position corresponding to the second coil 230 .
- the second magnet 320 may electromagnetically interact with the second coil 320 .
- the second magnet 320 may move the holder 310 in a direction perpendicular to the optical axis direction.
- the second magnet 320 may move the holder 310 in a direction perpendicular to the optical axis direction through interaction with the second coil 230 .
- the second magnet 320 may move the holder 310 in a direction perpendicular to the optical axis direction through electromagnetic interaction with the second coil 230 .
- the second magnet 320 may include a plurality of magnets.
- the second magnet 320 may include four magnets.
- the second magnet 320 may be formed in a number corresponding to the second coil 230 .
- the second magnet 320 may include a 2-1 magnet 321 for moving the holder 310 in the x-axis direction (first direction).
- the 2-1 magnet 321 may be an OIS-X magnet.
- the second magnet 320 may include a 2-2 magnet 322 that moves the holder 310 in the y-axis direction (the second direction perpendicular to the first direction).
- the 2-2 magnet 322 may be an OIS-Y magnet.
- the optical axis may be the z-axis.
- Each of the 2-1 magnet 321 and the 2-2 magnet 322 may include two magnets.
- the second-first magnet 321 may be disposed on the mover 330 .
- the second-second magnet 322 may be disposed on the holder 310 .
- the 2-1 magnet 321 may be disposed on the holder 310 .
- the second-second magnet 322 may be disposed on the mover 330 .
- the lens driving device 10 may include a mover 330 .
- the mover 330 may include a frame.
- the second mover 300 may include a mover 330 .
- the mover 330 may be disposed between the holder 310 and the housing 210 .
- the mover 330 may move in a direction perpendicular to the optical axis direction with respect to the housing 210 .
- the mover 330 may move in a first direction perpendicular to the optical axis direction with respect to the housing 210 .
- the holder 310 may move in a second direction perpendicular to the optical axis direction and the first direction with respect to the mover 330 .
- the holder 310 may move in a first direction perpendicular to the optical axis direction with respect to the mover 330 .
- the mover 330 may move in a second direction perpendicular to the optical axis direction and the first direction with respect to the housing 210 .
- a direction in which the mover 330 moves with respect to the housing 210 and a direction in which the holder 310 moves with respect to the mover 330 may be perpendicular to each other.
- the mover 330 may include a first groove 331 .
- the first groove 331 may be formed on the upper surface of the mover 330 .
- a second ball 520 may be disposed in the first groove 331 .
- the first groove 331 may be a second ball receiving groove.
- the first groove 331 may be formed to be longer than the diameter of the second ball 520 in the optical axis direction and the second direction perpendicular to the first direction.
- the first groove 331 may guide the second ball 520 to move in the second direction.
- the first groove 331 may guide the second ball 520 to move in the first direction.
- the first groove 211 of the housing 210 may guide the first ball 510 to move in the second direction.
- the first groove 211 may have a triangular cross-section as shown in FIG. 14A .
- the cross-section of the first groove 211 may be formed in a rectangular shape.
- the cross-section of the first groove 211 may be formed in a semicircular shape.
- the mover 330 may include a second groove 332 .
- the second groove 332 may be formed on the lower surface of the mover 330 .
- a first ball 510 may be disposed in the second groove 332 .
- the second groove 332 may be a first ball receiving groove.
- the second groove 331 may be formed in a shape corresponding to at least a portion of the first ball 510 .
- the first ball 510 may roll in the second groove 331 .
- the first ball 510 may rotate while maintaining at least a partially inserted state in the second groove 331 .
- the second groove 332 may constrain the first ball 510 to be rotatable but not move.
- the second groove 332 may be formed in a hemispherical shape as shown in FIG. 13 .
- the lens driving device 10 may include a substrate 400 .
- the substrate 400 may connect the housing 210 and the base 110 .
- the substrate 400 may be disposed between the base 110 and the housing 210 .
- the substrate 400 may be electrically connected to the first coil 220 .
- the substrate 400 may be electrically connected to the second coil 230 .
- At least a portion of the substrate 400 may be formed of a flexible printed circuit board (FPCB).
- the substrate 400 may be formed in a shape symmetrical with respect to the optical axis.
- the substrate 400 may elastically support the movement of the housing 210 .
- the substrate 400 may support the housing 210 to move in the optical axis direction with respect to the base 110 .
- the substrate 400 may be coupled to the lower surface of the lower plate 213 of the housing 210 .
- the substrate 400 may include a first coupling part 410 .
- the first coupling part 410 may be coupled to the base 110 .
- the first coupling part 410 may include a hole into which the protrusion of the base 110 is inserted.
- the first coupling part 410 may be disposed on the upper surface of the base 110 .
- the first coupling part 410 may be fixed to the base 110 .
- the substrate 400 may include a second coupling part 420 .
- the second coupling part 420 may be coupled to the housing 210 .
- the second coupling part 420 may be coupled to the second coil 230 through a conductive member.
- the second coupling part 420 may be electrically connected to the second coil 230 .
- the second coupling part 420 may be electrically connected to the first coil 220 .
- the second coupling part 420 may include a hole into which the protrusion of the housing 210 is inserted.
- the second coupling part 420 may be disposed on the lower surface of the housing 210 .
- the second coupling part 420 may be fixed to the housing 210 .
- Either one of the first coupling part 410 and the second coupling part 420 of the substrate 400 may be referred to as a 'first region' and the other may be referred to as a 'second region'.
- a first region of the substrate 400 may be connected to the housing 210
- a second region of the substrate 400 may be connected to the base 110 .
- the first region of the substrate 400 may be moved according to the movement of the housing 210 .
- the first region may include a body portion in which the second coil 230 is disposed.
- the substrate 400 may include an elastic connector connecting the first region and the second region.
- the elastic connecting portion may connect the body portion and the second region.
- the first region may include one end coupled to the housing 210 and an elastic connection unit connecting the one end and the body.
- the substrate 400 may include a connection part 430 .
- the connection part 430 may be an 'elastic connection part'.
- the connection part 430 may connect the first coupling part 410 and the second coupling part 420 .
- the connection part 430 may include a flexible part.
- the connection part 430 may have ductility.
- the connection part 430 may be formed of an FPCB.
- the connection part 430 may include a curved shape.
- the connection part 430 may include a shape bent a plurality of times.
- the connection part 430 may include a first portion having a shape bent a plurality of times.
- the first portion of the substrate 400 may overlap the second coil 230 in the optical axis direction.
- the substrate 400 may include a terminal unit.
- the terminal unit may include a terminal 440 .
- the terminal part may extend from the first coupling part 410 .
- the terminal part may extend downward from the first coupling part 410 .
- the terminal part may be bent from the first coupling part 410 .
- the terminal 440 may include a plurality of terminals.
- the terminal 440 includes four terminals electrically connected to the first hall sensor 621 , four terminals electrically connected to the second hall sensor 622 , the 2-1 coil 231 and the second Two terminals electrically connected to the -2 coil 232 , two terminals electrically connected to the 2-3 th coil 233 and the 2 -4 th coil 234 , and the driver IC 610 and electrically It may include 4 terminals connected to That is, a total of 16 terminals may be included.
- the terminal 440 includes seven terminals electrically connected to the first Hall sensor 621 and the second Hall sensor 622 , and the 2-1 coil 231 and the 2-2 coil 232 .
- It may include a terminal. That is, it may include a total of 15 terminals.
- the lens driving device 10 may include a ball 500 .
- the ball 500 may guide movement between the base 110 , the housing 210 , the holder 310 , and the mover 330 .
- the ball 500 may guide the movement of the housing 210 , the holder 310 , and the mover 330 during AF driving and OIS driving.
- the ball 500 may be formed in a spherical shape.
- the ball 500 may guide the movement of the housing 210 , the holder 310 , and the mover 330 through rotation.
- the lens driving device 10 may include a first ball 510 .
- the first ball 510 may contact the housing 210 and the mover 330 .
- the first ball 510 may be disposed on the housing 210 and the mover 330 .
- the first ball 510 may be disposed between the housing 210 and the mover 330 .
- the first ball 510 may connect the housing 210 and the mover 330 .
- the first ball 510 may contact the housing 210 at two or more points.
- the first ball 510 may guide the mover 330 to move in a first direction perpendicular to the optical axis direction with respect to the housing 210 .
- the first ball 510 may be an OIS-X guide ball.
- the first ball 510 may include a plurality of balls.
- the first ball 510 may include a total of six balls on each side, three on each side.
- the lens driving device 10 may include a second ball 520 .
- the second ball 520 may be disposed on the mover 330 and the holder 310 .
- the second ball 520 may contact the mover 330 and the holder 310 .
- the second ball 520 may be disposed between the mover 330 and the holder 310 .
- the second ball 520 may connect the mover 330 and the holder 310 .
- the second ball 520 may guide the holder 310 to move in a second direction perpendicular to the optical axis direction and the first direction with respect to the mover 330 .
- the second ball 520 may be an OIS-Y guide ball.
- the second ball 520 may guide the holder 310 to move in a first direction perpendicular to the optical axis direction with respect to the mover 330 .
- the first ball 510 may guide the holder 310 to move with respect to the mover 330 in the optical axis direction and the second direction perpendicular to the first direction.
- the second ball 520 may include a plurality of balls.
- the second ball 520 may include four balls.
- the lens driving device 10 may include a third ball 530 .
- the third ball 530 may contact the housing 210 and the base 110 .
- the third ball 530 may be disposed on the housing 210 and the base 110 .
- the third ball 530 may be disposed between the housing 210 and the base 110 .
- the third ball 530 may connect the housing 210 and the base 110 .
- the third ball 530 may guide the housing 210 to move in the optical axis direction with respect to the base 110 .
- the third ball 530 may be an AF guide ball.
- the third ball 530 may include a plurality of balls.
- the third ball 530 may include four balls.
- the lens driving device 10 may include a driver IC 610 .
- the driver IC 610 may include a Hall element for sensing the first magnet 120 .
- the driver IC 610 may be disposed on the substrate 400 .
- the driver IC 610 may be electrically connected to the first coil 220 .
- the driver IC 610 may be disposed at a position corresponding to the first magnet 120 .
- the driver IC 610 may control the current applied to the first coil 220 .
- the Hall element may sense the magnetic force of the first magnet 120 .
- the hall element may detect the position or movement of the first magnet 120 .
- the driver IC 610 may sense the position of the first magnet 120 to adjust the current applied to the first coil 220 . That is, the driver IC 610 may perform AF feedback control.
- the lens driving device 10 may include a Hall sensor 620 .
- the Hall sensor 620 may be disposed on the substrate 400 .
- the hall sensor 620 may detect the second magnet 320 .
- the hall sensor 620 may detect a magnetic force of the second magnet 320 .
- the hall sensor 620 may be disposed at a position corresponding to the second magnet 320 .
- the hall sensor 620 may detect the position or movement of the second magnet 320 .
- the value sensed by the hall sensor 620 may be used for OIS feedback control.
- the Hall sensor 620 may include a first Hall sensor 621 .
- the first Hall sensor 621 may detect the 2-1 magnet 321 .
- the first Hall sensor 621 may be disposed at a position corresponding to the 2-1 magnet 321 .
- the first Hall sensor 621 may detect the movement of the mover 330 in the x-axis direction.
- the first Hall sensor 621 may be an OIS-X sensor.
- the Hall sensor 620 may include a second Hall sensor 622 .
- the second Hall sensor 622 may detect the 2-2nd magnet 322 .
- the second Hall sensor 622 may be disposed at a position corresponding to the second-second magnet 322 .
- the second Hall sensor 622 may detect the movement of the holder 310 in the y-axis direction.
- the second Hall sensor 622 may be an OIS-Y sensor.
- the first Hall sensor 621 detects the movement of the mover 330 or the holder 310 in the y-axis direction
- the second Hall sensor 622 detects the movement of the mover 330 or the holder 310 in the x-axis direction. can detect
- the 2-1 and 2-2 coils 231 and 232 and the 2-1 magnet 321 are
- the 2-1 magnet 321 may move in the first direction (x-axis direction) perpendicular to the optical-axis direction by the electromagnetic interaction therebetween (see OIS-X of FIG. 19 ).
- the mover 330 and the holder 310 may also move together with the 2-1 magnet 321 in a first direction perpendicular to the optical axis direction.
- the 2-3th and 2-4 coils 233 and 234 and the 2nd-2nd magnet 322 when current is applied to the 2-3th coil 233 and the 2-4th coil 234 , the 2-3th and 2-4 coils 233 and 234 and the 2nd-2nd magnet 322 . Due to the electromagnetic interaction therebetween, the 2-2 magnet 322 may move in the optical axis direction and in the second direction (y-axis direction) perpendicular to the first direction (see OIS-Y in FIG. 19 ). At this time, the holder 310 may also move together with the 2-2 magnet 322 in the optical axis direction and the second direction perpendicular to the first direction.
- the first coil 220 when a forward current is applied to the first coil 220 , the first coil 220 shifts the optical axis (z-axis) by electromagnetic interaction between the first coil 220 and the first magnet 120 . You can move upwards accordingly. At this time, the housing 210 , the mover 330 , and the holder 310 may also move upward together with the first coil 220 (refer to AF of FIG. 20 ).
- the second coil 220 may move downward along the optical axis due to electromagnetic interaction between the first coil 220 and the first magnet 120 .
- the housing 210 , the mover 330 , and the holder 310 may also move downward together with the first coil 220 (refer to AF of FIG. 20 ).
- the first coil 220 and the first magnet 120 may be disposed to exchange positions with each other.
- the first magnet 120 may be disposed on the housing 210
- the first coil 220 may be disposed on the base 110 .
- the second coil 230 and the second magnet 320 may also be disposed to exchange positions.
- the second coil 230 may be disposed on the holder 310 and the mover 330
- the second magnet 320 may be disposed on the housing 210 .
- the present embodiment may include an AF coil, an OIS coil, and a yoke in the AF unit (a moving part as a driving unit).
- it may include an FPCB for applying a current to the driving unit.
- a part of the FPCB may move together with the AF unit.
- the FPCB may be separated in the form of a plurality of legs so as not to interfere with AF driving.
- the OIS one-axis driving magnet is mounted on the mover 330 and the other one-axis driving magnet is mounted on the holder 310 to be driven separately.
- Balls can be placed on each floor to drive left and right OIS.
- One side of the ball rolling portion may form a spherical groove for rolling in place.
- a yoke can be inserted into the OIS coil to maintain the OIS posture.
- the OIS coil is disposed inside the AF driver through the present embodiment, it may be easy to secure linearity (linearity) and hall linearity of the OIS driving.
- the Hall linearity may be linearity related to the Hall element and/or the Hall sensor.
- the restoring force of the AF unit can be expected by the FPCB.
- FIG. 21 is a plan view and an enlarged view showing a third ball and related configuration of the lens driving device according to a modified example
- FIG. 22 is a view showing another modified example of the third ball and related configuration shown in FIG. 21, 23 and 24 are perspective views illustrating an arrangement state of a third magnet and a fourth magnet of a lens driving device according to a modification
- FIG. 25 is a housing cover, a fifth magnet, and a sixth magnet of the lens driving device according to the modified example.
- It is a perspective view and a partially enlarged perspective view showing the arrangement state of the magnet
- (a) of Fig. 26 is a view showing the housing cover and the fifth magnet
- (b) is a view showing the arrangement state of the sixth magnet
- Fig. 27 is a view showing an arrangement state of the second yoke of the lens driving device according to the modified example.
- the lens driving device according to the modified example will be mainly described with respect to differences from the lens driving device according to the present embodiment.
- the corresponding description of the lens driving device according to the present embodiment may be applied by analogy.
- two grooves for guiding the third ball 530 may be formed in the housing 210 and only one may be formed in the base 110 .
- the lens driving device may include a housing 210 and a third ball 530 in contact with the base 110 .
- the third ball 530 may include a 3-1 ball 531 disposed on one side of the first coil 220 and a 3-2 ball 532 disposed on the other side of the first coil 220 .
- the base 110 may include a first surface facing the housing 210 and a groove 111 recessed in the first surface of the base 110 .
- the 3-1 ball 531 may be disposed on the first surface of the base 110 .
- the 3-2 ball 532 may be disposed in the groove 111 of the base 110 .
- a groove may not be formed in the region of the first surface of the base 110 on which the 3-1 ball 531 is disposed.
- the housing 210 may include a protrusion 215 protruding toward the first surface of the base 110 .
- the third ball 530 may be disposed on the protrusion 215 of the housing 210 .
- a second groove 212 may be formed in the protrusion 215 of the housing 210 , and the third ball 530 may be disposed in the second groove 212 .
- the 3-1 ball 531 may be a first unit ball.
- the 3-2 ball 532 may be a second unit ball.
- the radius r1 of the 3-1 ball 531 may be different from the radius r2 of the 3-2 ball 532 .
- the radius r1 of the 3-1 ball 531 may be the same as the radius r2 of the 3-2 ball 532 .
- the groove 111 of the base 110 may be formed only at a position corresponding to the 3-2 ball 532 and may not be formed at a position corresponding to the 3-1 ball 531 .
- the cross section of the groove 111 of the base 110 may include three straight lines forming a right angle with each other. That is, the cross section of the groove 111 of the base 110 may be formed in a rectangular shape with one side open. In this case, the third ball 530 may make three-point contact with the groove 111 of the base 110 .
- the second groove 212 of the housing 212 and the groove 111 of the base 110 may be variously deformed.
- the cross section of the groove 212a of the housing 212 in which the 3-1 ball 531 is disposed may be formed in a triangular shape with one side open. In this case, the 3-1 ball 531 may make two-point contact with the groove 212a of the housing 210 .
- the cross section of the groove 212b of the housing 212 in which the 3-1 ball 531 is disposed may be formed in a pentagonal shape with one side open. Compared with the groove 212a of the previous embodiment, the 212b can be recessed more deeply.
- the 3-1 ball 531 may make two-point contact with the groove 212b of the housing 210 .
- the cross section of the groove 212a of the housing 212 in which the 3-2 ball 532 is disposed is formed in a triangular shape with one side open. can be In this case, the 3-2 ball 532 may make two-point contact with the groove 212a of the housing 210 .
- the portion of the base 110 on which the 3-1 ball 531 is disposed may be formed in a flat surface.
- a portion of the base 110 on which the 3-1 ball 531 is disposed may be formed of a protrusion 111b.
- the cross section of the groove 111a of the base 110 in which the 3-2 ball 532 is disposed may have a trapezoidal shape with one side open. In this case, the 3-2 ball 532 may make three-point contact with the groove 111a of the base 110 .
- FIG. 22 shows that the portion of the base 110 on which the 3-1 ball 531 is disposed in a flat surface.
- a portion of the base 110 on which the 3-1 ball 531 is disposed may be formed of a protrusion 111b.
- the cross section of the groove 111a of the base 110 in which the 3-2 ball 532 is disposed may have a trapezoidal shape with one side open. In this case, the 3-2 ball 532 may make three-point contact with the groove 111a of the base 110
- the cross section of the groove 111a of the base 110 in which the 3-2 ball 532 is disposed may be formed in a triangular shape with one side open. At this time, the 3-2 ball 532 may be in two-point contact with the groove 111a of the base 110 .
- the first yoke 240 may be omitted and a magnet generating an attractive force between the base 110 and the housing 210 may be added.
- the lens driving device may include a third magnet 710 disposed on the base 110 .
- the third magnet 710 may be disposed on the outer surface of the base 110 .
- the lens driving device may include a fourth magnet 720 disposed on the housing 210 .
- the fourth magnet 720 may be disposed on the outer surface of the housing 210 .
- the fourth magnet 720 may be disposed at a position corresponding to the third magnet 710 so that the third magnet 710 and the attractive force act.
- the housing 210 may press the third ball 530 toward the base 110 . Accordingly, contact between the third ball 530 , the housing 210 and the base 110 may be maintained.
- the second yoke 250 may be omitted and a magnet for pressing the holder 310 and the mover 330 toward the housing 210 may be added.
- the lens driving device may include a housing cover 260 coupled to the housing 210 and disposed on the holder 310 .
- the housing cover 260 may be a 'frame cover'.
- the lens driving device may include a fifth magnet 730 disposed on the housing cover 260 .
- the fifth magnet 730 may be disposed on the lower surface of the housing cover 260 .
- the lens driving device may include a sixth magnet 740 disposed on the holder 310 .
- the mover 330 and the second ball 520 may be disposed under the holder 310 .
- the sixth magnet 740 may be disposed at a position corresponding to the fifth magnet 730 so that a repulsive force acts with the fifth magnet 730 .
- the holder 310 may press the second ball 520 toward the mover 330 . Accordingly, contact between the second ball 520 , the holder 310 and the mover 330 may be maintained. Furthermore, the holder 310 may press the first ball 510 toward the housing 210 through the mover 330 . Accordingly, contact between the first ball 510 , the mover 330 , and the housing 210 may be maintained.
- the second yoke 250 disposed on the housing 210 may be omitted and the second yoke 150 may be disposed on the base 110 .
- the lens driving device may include a second yoke 150 disposed at a position corresponding to the second magnet 320 on the base 110 so that the second magnet 320 and attractive force act.
- the mover 330 may press the first ball 510 toward the housing 110 .
- contact between the first ball 510 , the mover 330 , and the housing 210 may be maintained.
- the base 110 may include a protrusion 112 protruding toward the second magnet 320 .
- the second yoke 150 may be disposed on the upper surface of the protrusion 112 . At least a portion of the protrusion 112 may be disposed in the second coil 230 .
- the second yoke for inducing attractive force with the second magnet 320 may be disposed on the substrate 400 rather than the base 110 and the housing 210 .
- the second yoke may be disposed at a position corresponding to the second magnet 320 of the substrate 400 .
- the mover may include first to third frames.
- the first frame may include the housing 210
- the second frame may include the holder 310
- the third frame may include the frame.
- the frame may include a mover 330 .
- the housing 210 may be a first frame.
- the holder 310 may be a second frame.
- the mover 330 may be the third frame.
- One of the housing 210 , the holder 310 , and the mover 330 may be referred to as a 'first frame', the other may be referred to as a 'second frame', and the other may be referred to as a 'third frame'.
- Either one of the fifth magnet 730 and the sixth magnet 740 may be referred to as a 'magnet for the first repulsion force', and the other one may be referred to as a 'magnet for the second repulsion force'.
- the magnet for the first repulsive force may be disposed on the second frame.
- the lens driver device 10 may include a second repulsive force magnet disposed on the first frame cover and disposed at a position corresponding to the first repulsive force magnet.
- a repulsive force may act in the optical axis direction between the first repulsive force magnet and the second repulsive force magnet.
- the lens driving device 10 may include a third frame disposed between the first frame and the second frame.
- the lens driving device 10 may include a fifth magnet disposed on the third frame.
- the ordinal numbers described in the third magnet 710 , the fourth magnet 720 , the fifth magnet 730 , and the sixth magnet 740 may be arbitrarily described to distinguish between magnets. That is, when the third magnet 710 and the fourth magnet 720 are omitted from the claims, any one of the fifth magnet 730 and the sixth magnet 740 is referred to as the third magnet, and the other is referred to as the fourth magnet. can be said
- the camera module may be a camera device.
- the camera module may include a lens module 20 .
- the lens module 20 may include at least one lens.
- the lens may be disposed at a position corresponding to the image sensor 60 .
- the lens module 20 may include a lens and a barrel.
- the lens module 20 may be coupled to the bobbin 210 of the lens driving device 10 .
- the lens module 20 may be coupled to the bobbin 210 by screw coupling and/or adhesive.
- the lens module 20 may move integrally with the bobbin 210 .
- the camera module may include a filter 30 .
- the filter 30 may serve to block light of a specific frequency band from being incident on the image sensor 60 from the light passing through the lens module 20 .
- the filter 30 may be disposed to be parallel to the x-y plane.
- the filter 30 may be disposed between the lens module 20 and the image sensor 60 .
- the filter 30 may be disposed on the sensor base 40 .
- the filter 30 may include an infrared filter.
- the infrared filter may block light in the infrared region from being incident on the image sensor 60 .
- the infrared filter may include an infrared reflection filter or an infrared absorption filter.
- the camera module may include a sensor base 40 .
- the sensor base 40 may be disposed between the lens driving device 10 and the printed circuit board 50 .
- the sensor base 40 may include a protrusion 41 on which the filter 30 is disposed.
- An opening may be formed in a portion of the sensor base 40 where the filter 30 is disposed so that light passing through the filter 30 may be incident on the image sensor 60 .
- An adhesive member may be disposed between the sensor base 40 and the lens driving device 10 .
- the adhesive member may adhere the lens driving device 10 to the upper surface of the sensor base 40 .
- the adhesive member may be configured to prevent foreign substances from being introduced into the lens driving device 10 .
- the adhesive member may include any one or more of an epoxy, a thermosetting adhesive, and an ultraviolet curable adhesive.
- the camera module may include a printed circuit board 50 (PCB, Printed Circuit Board).
- the printed circuit board 50 may be a board or a circuit board.
- the lens driving device 10 may be disposed on the printed circuit board 50 .
- the sensor base 40 may be disposed between the printed circuit board 50 and the lens driving device 10 .
- the printed circuit board 50 may be electrically connected to the lens driving device 10 .
- the image sensor 60 may be disposed on the printed circuit board 50 .
- the printed circuit board 50 may include various circuits, elements, control units, etc. to convert an image formed on the image sensor 60 into an electrical signal and transmit it to an external device.
- the camera module may include an image sensor 60 .
- the image sensor 60 may have a configuration in which light passing through the lens and filter 30 is incident to form an image.
- the image sensor 60 may be mounted on the printed circuit board 50 .
- the image sensor 60 may be electrically connected to the printed circuit board 50 .
- the image sensor 60 may be coupled to the printed circuit board 50 by a surface mounting technology (SMT).
- the image sensor 60 may be coupled to the printed circuit board 50 by flip chip technology.
- the image sensor 60 may be disposed so that the lens and the optical axis coincide. That is, the optical axis of the image sensor 60 and the optical axis of the lens may be aligned.
- the image sensor 60 may convert light irradiated to the effective image area of the image sensor 60 into an electrical signal.
- the image sensor 60 may be any one of a charge coupled device (CCD), a metal oxide semi-conductor (MOS), a CPD, and a CID.
- CCD charge coupled device
- MOS
- the camera module may include a motion sensor 70 .
- the motion sensor 70 may be mounted on the printed circuit board 50 .
- the motion sensor 70 may be electrically connected to the controller 80 through a circuit pattern provided on the printed circuit board 50 .
- the motion sensor 70 may output rotational angular velocity information due to the movement of the camera module.
- the motion sensor 70 may include a 2-axis or 3-axis gyro sensor, or an angular velocity sensor.
- the camera module may include a controller 80 .
- the control unit 80 may be disposed on the printed circuit board 50 .
- the controller 80 may be electrically connected to the coil 130 of the lens driving device 10 .
- the controller 80 may individually control the direction, intensity, amplitude, and the like of the current supplied to the coil 130 .
- the controller 80 may control the lens driving device 10 to perform an autofocus function.
- the controller 80 may be electrically connected to the Hall sensor 140 .
- the controller 80 may sense the position of the mover 200 through the hall sensor 140 to perform autofocus feedback control for the lens driving device 10 .
- the camera module may include a connector 90 .
- the connector 90 may be electrically connected to the printed circuit board 50 .
- the connector 90 may include a port for electrically connecting to an external device.
- 29 is a perspective view of an optical device according to the present embodiment.
- Optical devices include cell phones, mobile phones, smart phones, portable communication devices, portable smart devices, portable terminals, digital cameras, computers, laptop computers, digital broadcasting terminals, PDA (Personal Digital Assistants), PMP (Personal Digital Assistants) Portable Multimedia Player) and navigation may include any one or more.
- PDA Personal Digital Assistants
- PMP Personal Digital Assistants
- Portable Multimedia Player Portable Multimedia Player
- navigation may include any one or more.
- the type of optical device is not limited thereto, and any device for taking an image or photo may be included in the optical device.
- the optical device may include a body 1 .
- the body 1 may form the exterior of an optical device.
- the body 1 may accommodate the camera module 2 .
- a display 3 may be disposed on the first surface of the body 1 .
- the display 3 and the camera module 2 are disposed on the first side of the body 1 and the camera module 2 is additionally disposed on the second side opposite to the first side of the body 1 .
- the optics may include a camera module 2 .
- the camera module 2 may be disposed on the body 1 . At least a portion of the camera module 2 may be accommodated in the body 1 .
- a plurality of camera modules 2 may be provided.
- the camera module 2 may include dual to triple or more camera modules.
- the camera module 2 may be disposed on each of the first surface of the main body 1 and the second surface opposite to the first surface of the main body 1 .
- the camera module 2 may capture an image and/or an image of a subject.
- the optics may comprise a display 3 .
- the display 3 may be disposed on the body 1 .
- the display 3 may be disposed on the first surface of the body 1 .
- the display 3 may output an image and/or an image captured by the camera module 2 .
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Combustion & Propulsion (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Lens Barrels (AREA)
- Adjustment Of Camera Lenses (AREA)
- Studio Devices (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Abstract
Description
Claims (10)
- 베이스;상기 베이스 상에 배치되는 제1프레임;상기 베이스와 상기 제1프레임 사이에 배치되는 기판;상기 제1프레임 내에 배치되는 제2프레임;상기 제1프레임과 상기 제2프레임 사이에 배치되는 제3프레임;상기 제2프레임에 배치되는 제2마그네트;상기 제1프레임과 상기 기판 사이에 배치되고 상기 제2마그네트와 대응하는 위치에 배치되는 제2코일; 및상기 제2코일은 상기 제2프레임을 광축방향에 수직인 방향으로 이동시키고,상기 제1프레임은 광축방향으로 이동되고, 상기 제2프레임은 상기 광축방향과 수직한 방향으로 이동되고,상기 기판은 상기 제1프레임의 이동에 따라 이동되는 렌즈구동장치.
- 제1항에 있어서,상기 기판은 상기 베이스에 결합되는 제1영역과, 상기 제1프레임에 결합되는 제2영역와, 상기 제1영역과 상기 제2영역을 연결하는 탄성연결부를 포함하고,상기 기판의 상기 탄성연결부는 연성을 갖는 부분을 포함하는 렌즈구동장치.
- 제2항에 있어서,상기 기판의 상기 탄성연결부는 복수회 구부러진 형상을 포함하고,상기 기판의 상기 탄성연결부는 상기 제2코일과 상기 광축방향으로 오버랩되는 렌즈구동장치.
- 제1항에 있어서,상기 기판은 광축에 대하여 대칭인 형상으로 형성되는 렌즈구동장치.
- 제1항에 있어서,무버는 상기 제1 내지 제3프레임을 포함하고,상기 제1프레임은 하우징을 포함하고, 상기 제2프레임은 홀더를 포함하고, 상기 제3프레임은 프레임을 포함하고,상기 렌즈구동장치는상기 하우징과 상기 프레임 사이에 배치되는 제1볼; 및상기 프레임과 상기 홀더 사이에 배치되는 제2볼을 포함하는 렌즈구동장치.
- 제5항에 있어서,상기 하우징은 상기 제1볼이 배치되는 제1홈을 포함하고,상기 제1볼은 상기 하우징과 2점 이상에서 접촉하고,상기 하우징의 상기 제1홈은 상기 광축방향에 수직인 제1방향으로 상기 제1볼의 직경보다 길게 형성되는 렌즈구동장치.
- 제6항에 있어서,상기 프레임은 상기 프레임의 상면에 형성되고 상기 제2볼이 배치되는 제1홈을 포함하고,상기 프레임의 상기 제1홈은 상기 광축방향 및 상기 제1방향에 수직인 제2방향으로 상기 제2볼의 직경보다 길게 형성되는 렌즈구동장치.
- 제7항에 있어서,상기 프레임은 상기 프레임의 하면에 형성되고 상기 제1볼이 배치되는 제2홈을 포함하고,상기 프레임의 상기 제2홈은 상기 제1볼의 적어도 일부와 대응하는 형상으로 형성되고,상기 홀더는 상기 제2볼이 배치되는 홈을 포함하고,상기 홀더의 상기 홈은 상기 제2볼의 적어도 일부와 대응하는 형상으로 형성되는 렌즈구동장치.
- 제5항에 있어서,상기 제1볼은 상기 프레임을 상기 하우징에 대하여 상기 광축방향에 수직인 제1방향으로 이동하도록 가이드하고,상기 제2볼은 상기 홀더를 상기 프레임에 대하여 상기 광축방향과 상기 제1방향에 수직인 제2방향으로 이동하도록 가이드하는 렌즈구동장치.
- 베이스;상기 베이스 상에 배치되는 하우징;상기 베이스와 상기 하우징 사이에 배치되는 기판;상기 하우징 내에 배치되는 홀더;상기 하우징과 상기 홀더를 광축방향으로 이동시키는 제1마그네트와 제1코일;상기 홀더에 배치되는 제2마그네트;상기 하우징과 상기 기판 사이에 배치되고 상기 제2마그네트와 대응하는 위치에 배치되는 제2코일; 및상기 제2코일은 상기 홀더를 상기 광축방향에 수직인 방향으로 이동시키고,상기 기판의 제1영역은 상기 하우징과 연결되고 상기 기판의 제2영역은 상기 베이스와 연결되고,상기 기판의 상기 제1영역은 상기 하우징의 이동에 따라 이동되는 렌즈구동장치.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP21866945.5A EP4213477A1 (en) | 2020-09-14 | 2021-05-27 | Lens driving device, camera module, and optical device |
JP2023507785A JP2023540864A (ja) | 2020-09-14 | 2021-05-27 | レンズ駆動装置、カメラモジュール及び光学機器 |
CN202180053539.1A CN116018812A (zh) | 2020-09-14 | 2021-05-27 | 透镜驱动装置、相机模块和光学装置 |
US18/019,669 US20230305362A1 (en) | 2020-09-14 | 2021-05-27 | Lens driving device, camera module, and optical device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2020-0117815 | 2020-09-14 | ||
KR1020200117815A KR20220035718A (ko) | 2020-09-14 | 2020-09-14 | 렌즈구동장치, 카메라 모듈 및 광학기기 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2022055074A1 true WO2022055074A1 (ko) | 2022-03-17 |
Family
ID=80630318
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/KR2021/006593 WO2022055074A1 (ko) | 2020-09-14 | 2021-05-27 | 렌즈구동장치, 카메라 모듈 및 광학기기 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20230305362A1 (ko) |
EP (1) | EP4213477A1 (ko) |
JP (1) | JP2023540864A (ko) |
KR (1) | KR20220035718A (ko) |
CN (1) | CN116018812A (ko) |
WO (1) | WO2022055074A1 (ko) |
Citations (5)
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---|---|---|---|---|
US20100110270A1 (en) * | 2008-11-06 | 2010-05-06 | Sharp Kabushiki Kaisha | Camera module, electronic device including the same, and method for positioning lenses of camera module |
KR20160001577A (ko) * | 2014-06-26 | 2016-01-06 | 삼성전기주식회사 | 렌즈구동장치 및 이를 포함하는 카메라 모듈 |
KR20160112126A (ko) * | 2015-03-18 | 2016-09-28 | 엘지이노텍 주식회사 | 렌즈 구동 장치, 및 이를 포함하는 카메라 모듈 |
KR20190013561A (ko) * | 2017-07-31 | 2019-02-11 | 미쓰미덴기가부시기가이샤 | 렌즈 구동장치, 카메라 모듈, 및 카메라 탑재 장치 |
KR20200075744A (ko) * | 2018-12-17 | 2020-06-26 | 뉴 시코 모터 컴퍼니 리미티드 | 렌즈 구동장치, 카메라 장치 및 전자기기 |
-
2020
- 2020-09-14 KR KR1020200117815A patent/KR20220035718A/ko unknown
-
2021
- 2021-05-27 CN CN202180053539.1A patent/CN116018812A/zh active Pending
- 2021-05-27 EP EP21866945.5A patent/EP4213477A1/en active Pending
- 2021-05-27 WO PCT/KR2021/006593 patent/WO2022055074A1/ko active Application Filing
- 2021-05-27 JP JP2023507785A patent/JP2023540864A/ja active Pending
- 2021-05-27 US US18/019,669 patent/US20230305362A1/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100110270A1 (en) * | 2008-11-06 | 2010-05-06 | Sharp Kabushiki Kaisha | Camera module, electronic device including the same, and method for positioning lenses of camera module |
KR20160001577A (ko) * | 2014-06-26 | 2016-01-06 | 삼성전기주식회사 | 렌즈구동장치 및 이를 포함하는 카메라 모듈 |
KR20160112126A (ko) * | 2015-03-18 | 2016-09-28 | 엘지이노텍 주식회사 | 렌즈 구동 장치, 및 이를 포함하는 카메라 모듈 |
KR20190013561A (ko) * | 2017-07-31 | 2019-02-11 | 미쓰미덴기가부시기가이샤 | 렌즈 구동장치, 카메라 모듈, 및 카메라 탑재 장치 |
KR20200075744A (ko) * | 2018-12-17 | 2020-06-26 | 뉴 시코 모터 컴퍼니 리미티드 | 렌즈 구동장치, 카메라 장치 및 전자기기 |
Also Published As
Publication number | Publication date |
---|---|
CN116018812A (zh) | 2023-04-25 |
JP2023540864A (ja) | 2023-09-27 |
EP4213477A1 (en) | 2023-07-19 |
US20230305362A1 (en) | 2023-09-28 |
KR20220035718A (ko) | 2022-03-22 |
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