WO2024253379A1 - Actionneur de caméra, module de capteur et module de caméra le comprenant - Google Patents

Actionneur de caméra, module de capteur et module de caméra le comprenant Download PDF

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Publication number
WO2024253379A1
WO2024253379A1 PCT/KR2024/007291 KR2024007291W WO2024253379A1 WO 2024253379 A1 WO2024253379 A1 WO 2024253379A1 KR 2024007291 W KR2024007291 W KR 2024007291W WO 2024253379 A1 WO2024253379 A1 WO 2024253379A1
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WO
WIPO (PCT)
Prior art keywords
coil
axis direction
sub
optical axis
lens assembly
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2024/007291
Other languages
English (en)
Korean (ko)
Inventor
오준석
임익태
정장훈
김슬아
김태곤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Innotek Co Ltd
Original Assignee
LG Innotek Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1020230074231A external-priority patent/KR20240174687A/ko
Priority claimed from KR1020230087661A external-priority patent/KR20250007786A/ko
Application filed by LG Innotek Co Ltd filed Critical LG Innotek Co Ltd
Priority to CN202480038015.9A priority Critical patent/CN121312144A/zh
Publication of WO2024253379A1 publication Critical patent/WO2024253379A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • 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
    • 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
    • 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
    • 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
    • H04N23/52—Elements optimising image sensor operation, e.g. for electromagnetic interference [EMI] protection or temperature control by heat transfer or cooling elements
    • 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
    • H04N23/50—Constructional details
    • H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00—Screening of apparatus or components against electric or magnetic fields

Definitions

  • the present invention relates to a camera actuator and a camera module including the same.
  • the present invention relates to a sensor module.
  • the present invention relates to a sensor module that can facilitate heat dissipation generated from a sensor.
  • a camera is a device that captures a subject as a photo or video, and is installed in portable devices, drones, vehicles, etc.
  • the camera module may have an image stabilization (IS) function that corrects or prevents image shaking caused by the user's movement to improve the quality of the image, an auto focusing (AF) function that automatically adjusts the gap between the image sensor and the lens to align the focal length of the lens, and a zooming function that increases or decreases the magnification of a distant subject and captures it using a zoom lens.
  • IS image stabilization
  • AF auto focusing
  • zooming function that increases or decreases the magnification of a distant subject and captures it using a zoom lens.
  • the technical problem to be solved by the embodiment of the present invention is to provide a camera actuator and camera module that can easily control driving force according to different frictional forces in each part or area of a lens assembly by modifying the structure of a coil or the like.
  • the embodiment can provide a camera actuator and camera module with improved reliability by reducing unnecessary current application, improving driving efficiency, and suppressing heat generation by controlling the total length of the coil, the number of turns, the size of the hole, etc. according to the ratio of frictional force.
  • the embodiment provides a camera actuator applicable to ultra-slim, ultra-small and high-resolution cameras.
  • the embodiment provides a sensor module that is advantageous in dissipating heat generated internally.
  • the embodiment provides a sensor module with improved heat dissipation effect.
  • the embodiment provides a sensor module in which the temperature difference between the image sensor and the bracket is reduced.
  • a camera actuator comprises: a housing; a first lens assembly moving in an optical axis direction within the housing; and a first driving unit including a first coil and a first magnet and moving the first lens assembly; wherein the first coil includes a first sub-coil and a second sub-coil arranged along the optical axis direction, and a total number of turns of the first sub-coil is different from a total number of turns of the second sub-coil.
  • the hole of the first sub-coil may have a different size from the hole of the second sub-coil.
  • the first lens assembly includes a first front region and a first rear region along the optical axis direction, and the first front region and the first rear region may have different weights.
  • the total number of turns of the first sub-coil may be greater than the total number of turns of the second sub-coil, and when the first front region has a smaller weight than the first rear region, the total number of turns of the first sub-coil may be less than the total number of turns of the second sub-coil.
  • the size of the hole of the first sub-coil may be smaller than the size of the hole of the second sub-coil, and when the first front region has a greater weight than the first rear region, the size of the hole of the first sub-coil may be larger than the size of the hole of the second sub-coil.
  • the first sub-coil and the second sub-coil may have the same length in a direction perpendicular to the optical axis.
  • the total number of turns of the first sub-coil may be greater than the total number of turns of the second sub-coil, and the hole of the first sub-coil may be smaller than the hole of the second sub-coil.
  • the first lens assembly may include a receiving portion that receives a lens; and a guiding portion that is in contact with the receiving portion and has a ball portion positioned therein.
  • the above-mentioned receiving portion may be arranged in the first front region.
  • the second lens assembly includes a second front region and a second rear region along the optical axis direction, and the second front region and the second rear region may have different weights.
  • the first front region may have a greater weight than the first rear region, and the second front region may have a lesser weight than the second rear region.
  • the first sub-coil may have a total number of turns greater than that of the second sub-coil, and the third sub-coil may have a total number of turns less than that of the fourth sub-coil.
  • the first sub-coil may be arranged to face the third sub-coil in a direction perpendicular to the optical axis
  • the second sub-coil may be arranged to face the fourth sub-coil in a direction perpendicular to the optical axis.
  • the hole of the first sub-coil may be smaller than the hole of the third sub-coil, and the hole of the second sub-coil may be larger than the hole of the fourth sub-coil.
  • the first sub-coil and the third sub-coil may be at least partially non-overlapping in a direction perpendicular to the optical axis direction
  • the second sub-coil and the fourth sub-coil may be at least partially non-overlapping in a direction perpendicular to the optical axis direction.
  • a sensor module includes: a first camera actuator; a second camera actuator disposed at a rear end of the first camera actuator; a circuit board including an image sensor disposed at a rear end of the second camera actuator; a shield can surrounding the circuit board; and a heat dissipation member disposed between the shield can and the circuit board; wherein the shield can includes a groove overlapping the image sensor in an optical axis direction, the heat dissipation member is disposed in the groove, and the first camera actuator, the second camera actuator, and the circuit board can be sequentially disposed along the optical axis direction.
  • the heat dissipation member of the sensor module according to the embodiment may include a first region disposed in the groove; and a second region disposed between the circuit board and the shield can.
  • the first region of the sensor module according to the embodiment may have a thickness in the optical axis direction greater than a thickness in the optical axis direction of the second region.
  • a sensor module may include a body surrounding the shield can.
  • the body of the sensor module according to the embodiment may include a body groove overlapping the groove and the optical axis direction.
  • the body of the sensor module according to the embodiment can be in contact with the first region.
  • the groove of the sensor module according to the embodiment may be arranged to be misaligned with the second region in the optical axis direction, and the body groove may overlap with the image sensor in the optical axis direction.
  • the body groove of the sensor module according to the embodiment may overlap with the first region in the optical axis direction, and the body groove may be arranged to be misaligned with the second region in the optical axis direction.
  • the body of the sensor module according to the embodiment includes a body extension portion extending to one side; and an upper surface of the body extension portion may be positioned higher than an upper surface of the heat dissipation member.
  • the body and the shield can of the sensor module according to the embodiment may be spaced apart from each other in the direction of the optical axis.
  • the circuit board of the sensor module may include a first frame facing the image sensor, and the shield can may include a second frame facing the first frame.
  • the first frame of the sensor module includes a first surface adjacent to the image sensor; a second surface facing the first surface; and the heat dissipation member can be in contact with the second surface.
  • the area of the surface perpendicular to the optical axis direction of the heat dissipation member of the sensor module according to the embodiment may be at least 1.5 times the area of the surface perpendicular to the optical axis direction of the image sensor.
  • the second frame of the sensor module may include a third face adjacent to the image sensor; and a fourth face disposed at a rear end of the third face.
  • the heat dissipation member of the sensor module according to the embodiment may include a step portion having a width of the first distance.
  • the second surface of the first frame and the third surface of the second frame of the sensor module according to the embodiment may be arranged to be spaced apart from each other by a second distance in the direction of the optical axis.
  • a camera actuator and camera module are implemented that facilitate control of driving force according to different frictional forces in each part or area of a lens assembly by modifying the structure of a coil or the like.
  • the embodiment of the present invention can implement a camera actuator and camera module with improved reliability by reducing unnecessary current application, improving driving efficiency, and suppressing heat generation by controlling the total length of the coil, the number of turns, the size of the hole, etc. according to the ratio of the frictional force.
  • Embodiments of the present invention can implement a camera actuator applicable to ultra-slim, ultra-small, and high-resolution cameras.
  • An embodiment of the present invention can provide a sensor module that is advantageous in dissipating heat generated internally.
  • An embodiment of the present invention can provide a sensor module with improved heat dissipation effect.
  • An embodiment of the present invention can provide a sensor module in which the temperature difference between the image sensor and the bracket is reduced.
  • Fig. 1 is a perspective view of a camera module according to an embodiment
  • Figure 2 is an exploded perspective view of a camera module according to an embodiment
  • Figure 3 is a drawing viewed from the line AA’ in Figure 1.
  • FIG. 4 is a perspective view of a second camera actuator according to an embodiment
  • Figure 5 is an exploded perspective view of a second camera actuator according to an embodiment
  • Figure 6 is a cross-sectional view taken along line DD’ in Figure 4.
  • FIG. 7 and FIG. 8 are drawings explaining each drive of the lens assembly according to the embodiment.
  • FIG. 9 is a drawing explaining the operation of a second camera actuator according to an embodiment.
  • FIG. 10 is a perspective view of a part of the configuration of a second camera actuator according to an embodiment
  • FIG. 11 is a drawing illustrating an optical drive coil, an optical drive magnet, and a yoke according to an embodiment.
  • Fig. 13 is a drawing explaining the movement of the first and second lens assemblies according to the embodiment.
  • FIG. 14 is a perspective view of a first lens assembly, a first bonding member, a second bonding member, and a second lens assembly according to an embodiment
  • FIG. 15 is a perspective view of a first lens assembly (or second lens assembly) according to an embodiment
  • FIG. 16 is a plan view of the first lens assembly, the second lens assembly, the first driving unit, and the second driving unit in the second camera actuator according to the embodiment.
  • Fig. 18 is another perspective view of Fig. 16,
  • FIG. 19 is a plan view of a first lens assembly and a first driving unit in a second camera actuator according to another embodiment.
  • FIG. 20 is a plan view of a first lens assembly, a second lens assembly, a first driving unit, and a second driving unit in a second camera actuator according to another embodiment.
  • Fig. 21 is a schematic diagram illustrating a circuit board according to an embodiment.
  • Fig. 22 is an exploded perspective view of a sensor module according to an embodiment.
  • Fig. 23 is a front view of a sensor module according to an embodiment.
  • Fig. 25 is a perspective view of a body according to an embodiment.
  • Fig. 26 is a front view of a body according to an embodiment.
  • Fig. 27 is a partial enlarged view of a body according to an embodiment.
  • Fig. 28 is a perspective view of a shield can according to an embodiment.
  • Fig. 29 is a front view of a shield can according to an embodiment.
  • Fig. 30 is a partially enlarged view of a shield can according to an embodiment.
  • Fig. 32 is a front view of a circuit board according to an embodiment.
  • Figure 33 is a cross-sectional view taken along the line BB' in Figure 32.
  • Fig. 34 is a perspective view of a heat dissipation member according to an embodiment.
  • Fig. 35 is a bottom view of a heat dissipation member according to an embodiment.
  • Fig. 36 is a perspective view of a shield can and a heat dissipation member combined according to an embodiment.
  • Figure 37 is a cross-sectional view taken along the line CC' in Figure 36.
  • Fig. 38 is a bottom view of a shield can and a heat dissipation member combined according to an embodiment.
  • Fig. 39 is a perspective view showing a body, shield can, and heat dissipation member combined according to an embodiment.
  • Figure 40 is a cross-sectional view taken along the line EE' in Figure 39.
  • Figure 41 is a perspective view showing a body, shield can, heat dissipation member, and circuit board combined according to an embodiment.
  • Figure 42 is a cross-sectional view taken along the line FF' in Figure 41.
  • Figure 43 is a partially enlarged view of Figure 42.
  • Fig. 44 is a perspective view of a mobile terminal to which a sensor module according to an embodiment is applied.
  • Fig. 45 is a perspective view of a vehicle to which a sensor module according to an embodiment is applied.
  • ordinal numbers such as second, first, etc. may be used to describe various components, but the components are not limited by the terms. The terms are only used to distinguish one component from another.
  • the second component may be referred to as the first component, and similarly, the first component may also be referred to as the second component.
  • the term and/or includes any combination of a plurality of related described items or any item among a plurality of related described items.
  • FIG. 1 is a perspective view of a camera module according to an embodiment
  • FIG. 2 is an exploded perspective view of a camera module according to an embodiment
  • FIG. 3 is a view taken along line AA’ of FIG. 1.
  • a camera module (1000) may be composed of a cover (CV), a first camera actuator (1100), a second camera actuator (1200), and a circuit board (1300).
  • the first camera actuator (1100) may be used interchangeably as a first actuator
  • the second camera actuator (1200) may be used interchangeably as a second actuator.
  • the cover (CV) can cover the first camera actuator (1100) and the second camera actuator (1200).
  • the coupling force between the first camera actuator (1100) and the second camera actuator (1200) can be improved by the cover (CV).
  • the cover (CV) can be made of a material that performs electromagnetic wave blocking. Accordingly, the first camera actuator (1100) and the second camera actuator (1200) within the cover (CV) can be easily protected.
  • the first camera actuator (1100) may be an OIS (Optical Image Stabilizer) actuator.
  • the first camera actuator (1100) may move an optical member in a direction perpendicular to the optical axis (axis of incident light).
  • the first camera actuator (1100) may include a fixed focal length lens disposed in a predetermined barrel (not shown).
  • the fixed focal length lens may also be referred to as a “single focal length lens” or “single lens.”
  • the first camera actuator (1100) can change the path of light.
  • the first camera actuator (1100) can change the path of light vertically through an internal optical member (e.g., a prism or a mirror).
  • the optical member can change the light from a first direction (X-axis direction) to a third direction (Z-axis direction).
  • the optical member can change the light from the first axis to the second axis.
  • the first camera actuator (1100) can change the optical path vertically or at a predetermined angle multiple times.
  • the second camera actuator (1200) may be placed behind the first camera actuator (1100).
  • the second camera actuator (1200) may be coupled with the first camera actuator (1100). And the coupling therebetween may be accomplished in various ways.
  • the second camera actuator (1200) may be a zoom actuator or an AF (Auto Focus) actuator.
  • the second camera actuator (1200) may support one or more lenses and move the lenses according to a control signal from a predetermined control unit to perform an auto focusing function or a zoom function.
  • one or more lenses move independently or individually along the optical axis.
  • the circuit board (1300) may be placed at the rear end of the second camera actuator (1200).
  • the circuit board (1300) may be electrically connected to the second camera actuator (1200) and the first camera actuator (1100).
  • a camera module according to an embodiment may be composed of a single or multiple camera modules.
  • the multiple camera modules may include a first camera module and a second camera module.
  • the first camera module may include a single or multiple actuators.
  • the first camera module may include a first camera actuator (1100) and a second camera actuator (1200).
  • the second camera module may be placed in a predetermined housing (not shown) and may include an actuator (not shown) capable of driving the lens unit.
  • the actuator may be a voice coil motor, a micro actuator, a silicon actuator, etc., and may be applied in various ways such as an electrostatic method, a thermal method, a bimorph method, an electrostatic force method, etc., but is not limited thereto.
  • the camera actuator in the present specification may be referred to as an actuator, etc.
  • a camera module composed of a plurality of camera modules may be mounted in various electronic devices such as a mobile terminal.
  • the actuator may be a device that moves or tilts a lens or an optical member.
  • the actuator includes a lens or an optical member.
  • the actuator may be called a ‘lens transport device,’ ‘lens transport device,’ ‘optical member transport device,’ ‘optical member moving device,’ etc.
  • a camera module may include a first camera actuator (1100) having an OIS function and a second camera actuator (1200) having a zooming function and an AF function.
  • Light can be incident into the camera module or the first camera actuator through an opening area located on the upper surface of the first camera actuator (1100). That is, the light is first incident into the interior of the first camera actuator (1100) along a vertical direction (e.g., X-axis direction, based on incident light), and the light path can be changed to the optical axis direction (e.g., Z-axis direction) through an optical member. Then, the light can pass through the second camera actuator (1200) and be incident (PATH) onto an image sensor (IS) located at one end of the second camera actuator (1200).
  • the Z-axis direction or the third direction is described as the optical axis direction as follows.
  • the first direction and the X-axis direction are described as vertical directions.
  • the second direction and the Y-axis direction are described as horizontal directions.
  • the bottom surface means one side in the first direction.
  • the first direction is the X-axis direction in the drawing and can be used interchangeably with the second-axis direction, etc.
  • the second direction is the Y-axis direction in the drawing and can be used interchangeably with the first-axis direction, etc.
  • the second direction is a direction perpendicular to the first direction.
  • the third direction is the Z-axis direction in the drawing and can be used interchangeably with the third-axis direction, etc. And the third direction is a direction perpendicular to both the first direction and the second direction.
  • the third direction (Z-axis direction) corresponds to the direction of the optical axis
  • the first direction (X-axis direction) and the second direction (Y-axis direction) are directions perpendicular to the optical axis.
  • the optical axis direction is the third direction (Z-axis direction), and the description below is based on this.
  • the inner side may be a direction toward the first camera actuator in the cover (CV), and the outer side may be a direction opposite to the inner side. That is, the first camera actuator and the second camera actuator may be located inside the cover (CV), and the cover (CV) may be located outside the first camera actuator or the second camera actuator.
  • the camera module according to the embodiment can improve the spatial limitations of the first camera actuator and the second camera actuator by changing the path of light. That is, the camera module according to the embodiment can expand the optical path while minimizing the thickness of the camera module in response to the change in the path of light. Furthermore, it should be understood that the second camera actuator can provide a high range of magnification by controlling the focus, etc. in the expanded optical path.
  • the camera module according to the embodiment can implement OIS by controlling the optical path through the first camera actuator, thereby minimizing the occurrence of decent or tilt phenomena and producing the best optical characteristics.
  • the second camera actuator (1200) may include an optical system and a lens driving unit.
  • the second camera actuator (1200) may have at least one of a first lens assembly, a second lens assembly, and a third lens assembly arranged therein.
  • the second camera actuator (1200) is equipped with a coil and a magnet to perform a high-magnification zooming function and an auto focus function.
  • the first lens assembly and the second lens assembly may be moving lenses that move via coils, magnets, and guide pins, and the third lens assembly may be a fixed lens, but is not limited thereto.
  • the third lens assembly may perform the function of a focalizer that focuses light on a specific location
  • the first lens assembly may perform the function of a variator that refocuses the image focused by the third lens assembly, which is a focalizer, on another location.
  • the distance to the subject or the image distance may change significantly, resulting in a large change in magnification
  • the first lens assembly, which is a variator may play an important role in the change in the focal length or magnification of the optical system.
  • the image focus formed by the first lens assembly which is a variator, may have a slight difference depending on the location.
  • the second lens assembly may perform a position compensation function for the image focused by the variator.
  • the second lens assembly may perform a compensator function that accurately focuses the point imaged by the first lens assembly, which is a variable, on the actual image sensor position.
  • the first lens assembly and the second lens assembly may be driven by an electromagnetic force due to the interaction of a coil and a magnet.
  • the above-described content may be applied to the lens assemblies described later.
  • the first lens assembly to the third lens assembly may move along the optical axis direction, that is, the third direction.
  • the first lens assembly to the third lens assembly may move independently or dependently in the third direction.
  • the first lens assembly and the second lens assembly may move along the optical axis direction.
  • the third lens assembly may be located at the front end of the first lens assembly or the rear end of the second lens assembly. And the third lens assembly may not move in the optical axis direction. That is, the third lens assembly may be a fixed part.
  • the first and second lens assemblies may be movable parts.
  • an actuator for OIS and an actuator for AF/Zoom are arranged according to an embodiment of the present invention
  • magnetic interference with the magnet for AF/Zoom can be prevented when the OIS is driven. Since the first driving magnet of the first camera actuator (1100) is arranged separately from the second camera actuator (1200), magnetic interference between the first camera actuator (1100) and the second camera actuator (1200) can be prevented.
  • OIS can be used interchangeably with terms such as shake correction, optical image stabilization, optical image correction, and shake correction.
  • the optical member (RM) in the first camera actuator (1100) can be tilted along the X-axis or the Y-axis. Accordingly, the optical path can be easily changed according to the X-axis tilt or the Y-axis tilt.
  • the optical member (RM) can be mounted on a holder of the first camera actuator, etc.
  • the optical member (RM) can be formed of a mirror or a prism.
  • the optical member (RM) is illustrated based on a prism, but it can also be formed of a plurality of lenses as in the above-described example.
  • the optical member (RM) can be formed of a plurality of lenses and a prism or a mirror.
  • the optical member (RM) can include a reflector arranged inside.
  • the present invention is not limited thereto.
  • the optical member (RM) By driving a VCM or the like in the first camera actuator (1100), the optical member (RM) can be tilted along the X-axis or the Y-axis. That is, OIS can be implemented while the optical member (RM) tilts or rotates based on the Y-axis direction or the X-axis direction.
  • FIG. 4 is a perspective view of a second camera actuator according to an embodiment
  • FIG. 5 is an exploded perspective view of a second camera actuator according to an embodiment
  • FIG. 6 is a cross-sectional view taken along line DD’ in FIG. 4
  • FIGS. 7 and 8 are drawings explaining each operation of a lens assembly according to an embodiment
  • FIG. 9 is a drawing explaining the operation of a second camera actuator according to an embodiment.
  • a second camera actuator (1200) (or a camera device or a zoom lens transport device or a zoom lens moving device or a lens transport device) according to an embodiment may include a lens portion (1220), a housing (1230), a driving portion (1250), a base portion (1260), a substrate portion (1270), and stoppers (ST1, ST2). Furthermore, the second camera actuator (1200) may further include a shield can (not shown), an elastic portion (not shown), and a joining member (not shown).
  • the lens group can move along the optical axis direction.
  • the lens group can be combined with the lens assembly to move together along the optical axis direction.
  • the second camera actuator may include a moving part that moves in the optical axis direction like the lens group, and a fixed part that is relatively fixed but does not move along the optical axis direction unlike the moving part.
  • the moving part may include a lens assembly (e.g., first and second lens assemblies) and an optical driving magnet (first and second driving magnets).
  • the fixed part may include a housing, a substrate, an optical driving coil (first and second coils), and a Hall sensor.
  • a driving magnet may be arranged on one of the moving part and the fixed part, and a driving coil may be arranged on the other.
  • the moving distance of the lens assembly described below may correspond to the moving distance of the moving part.
  • a shield can may be positioned at an area (e.g., the outermost) of the second camera actuator (1200) so as to surround the components described below (lens unit (1220), housing (1230), driving unit (1250), base unit (1260), substrate unit (1270), and image sensor (IS) arranged on the circuit board at the rear end).
  • These shield cans can block or reduce electromagnetic waves generated from the outside. Accordingly, the occurrence of malfunctions in the driving unit (1250) can be reduced.
  • the lens unit (1220) can be positioned within a shield can (not shown).
  • the lens unit (1220) can move along the third direction (Z-axis direction or optical axis direction). Accordingly, the AF function or zoom function described above can be performed.
  • the lens unit (1220) may be positioned within the housing (1230). Accordingly, at least a portion of the lens unit (1220) may move within the housing (1230) along the optical axis direction or the third direction (Z-axis direction).
  • the lens unit (1220) may include a lens group (1221) and a moving assembly (1222).
  • the lens group (1221) may include at least one lens.
  • the lens group (1221) may be plural, but the following description will be based on one lens.
  • the lens group (1221) is coupled with the moving assembly (1222) and can move in the third direction (Z-axis direction) by the electromagnetic force generated from the first magnet (1252a) and the second magnet (1252b) coupled to the moving assembly (1222).
  • the lens group (1221) may include a first lens group (1221a), a second lens group (1221b), and a third lens group (1221c).
  • the first lens group (1221a), the second lens group (1221b), and the third lens group (1221c) may be sequentially arranged along the optical axis direction.
  • the lens group (1221) may further include a fourth lens group.
  • the fourth lens group may be arranged behind the third lens group (1221c).
  • the first lens group (1221a) can be fixedly combined with the second-first housing (or fixed assembly). In other words, the first lens group (1221a) may not move along the optical axis direction.
  • the second lens group (1221b) can be moved in the third direction or the optical direction in combination with the first lens assembly (1222a). Magnification adjustment can be performed by moving the first lens assembly (1222a) and the second lens group (1221b).
  • the third lens group (1221c) can be combined with the second lens assembly (1222b) to move in the third direction or in the direction of the optical axis. Focus adjustment or auto-focusing can be performed by moving the third lens group (1221).
  • the number of lens groups is not limited, and the fourth lens group described above may not be present, or additional lens groups other than the fourth lens group (1121d) may be arranged.
  • the moving assembly (1222) may include an opening area surrounding the lens group (1221). This moving assembly (1222) is used interchangeably with the first and second lens assemblies.
  • the moving assembly (1222) or the lens assembly may move along the optical axis direction (Z-axis direction) within the housing (1230).
  • the moving assembly (1222) may be coupled to the lens group (1221) by various methods.
  • the moving assembly (1222) may include a groove on the side, and may be coupled to the first magnet (1252a) and the second magnet (1252b) through the groove. A coupling member, etc. may be applied to the groove.
  • the moving assembly (1222) may be coupled with elastic members (not shown) at the top and rear ends. Accordingly, the moving assembly (1222) may be supported by the elastic members (not shown) while moving in the third direction (Z-axis direction). That is, the position of the moving assembly (1222) may be maintained in the third direction (Z-axis direction).
  • the elastic members (not shown) may be formed of various elastic elements such as a plate spring.
  • the moving assembly (1222) may be positioned within the housing (1230) and may include a first lens assembly (1222a) and a second lens assembly (1222b).
  • the area where the third lens group (1222b) is mounted in the second lens assembly (1222b) may be located at the rear end of the first lens assembly (1222a). In other words, the area where the third lens group (1221c) is mounted in the second lens assembly (1222b) may be located between the area where the second lens group (1221b) is mounted in the first lens assembly (1222a) and the image sensor.
  • the first lens assembly (1222a) and the second lens assembly (1222b) may face the first guide portion and the second guide portion, respectively.
  • the first guide portion and the second guide portion may be positioned on the first side (1232a) and the second side (1232b) of the housing (1230) (or the 2-2 housing) described below.
  • the first guide portion and the second guide portion may be positioned integrally or separately on the first side (1232a) and the second side (1232b) of the housing (1230) (or the 2-2 housing) described below. The following description will be based on the integral type.
  • the housing (1230) may be placed between the lens unit (1220) and a shield can (not shown). And the housing (1230) may be placed to surround the lens unit (1220).
  • the housing (1230) may include a 2-1 housing (1231) and a 2-2 housing (1232).
  • the 2-1 housing (1231) may be coupled with the first lens group (1221a) and may also be coupled with the first camera actuator described above.
  • the 2-1 housing (1231) may be positioned in front of the 2-2 housing (1232).
  • the 2-1 housing may be referred to as a 'fixed assembly', a 'fixed lens assembly', a 'fixed lens receiving portion', etc.
  • the 2-2 housing may be referred to as a 'main barrel', a 'lens barrel', a 'barrel', etc.
  • the 2-2 housing (1232) can be located at the rear end of the 2-1 housing (1231).
  • the 1st and 2nd lens assemblies and the lens unit (1220) can be installed inside the 2-2 housing (1232).
  • the housing (1230) (or the second-second housing (1232)) may have a hole formed on the side.
  • a first coil (1251a) and a second coil (1251b) may be placed in the hole.
  • the hole may be positioned to correspond to the groove of the moving assembly (1222) described above.
  • the first coil (1251a) and the second coil (1251b) may be plural. A description of the structure of the coil will be described later.
  • the housing (1230) (in particular, the 2-2 housing (1232)) may include a first side (1232a) and a second side (1232b).
  • the first side (1232a) and the second side (1232b) may be positioned corresponding to each other.
  • the first side (1232a) and the second side (1232b) may be positioned symmetrically with respect to the third direction.
  • An optical drive coil (1251) may be positioned on the first side (1232a) and the second side (1232b).
  • a substrate (1270) may be mounted on an outer surface of the first side (1232a) and the second side (1232b).
  • a first substrate may be positioned on the outer surface of the first side (1232a)
  • a second substrate may be positioned on the outer surface of the second side (1232b).
  • the first guide portion and the second guide portion may include at least one groove (e.g., a guide groove) or recess.
  • a first ball (B1) or a second ball (B2) may be seated.
  • the second camera actuator (1200) may further include a ball portion.
  • the ball portion may include a first ball (B1) and a second ball (B2).
  • the first and second lens assemblies may move along the optical axis direction.
  • the ball portion may include at least one rolling member, a ball.
  • at least one ball may move along the guide groove of the first and second guide portions.
  • at least one ball may move along the recess or groove of the first and second lens assemblies. Accordingly, the first ball (B1) or the second ball (B2) may move in a third direction (Z-axis direction) within the guide groove of the first guide portion or the guide groove of the second guide portion.
  • first ball (B1) or the second ball (B2) may move in a third direction along a rail formed on the inside of the first side (1232a) of the housing (1230) or a rail formed on the inside of the second side (1232b) of the housing (1230).
  • the first ball (B1) can contact the first lens assembly (1222a).
  • the second ball (B2) can contact the second lens assembly (1222b). Therefore, depending on the position, the first ball (B1) can at least partially overlap the second ball (B2) along the first direction (X-axis direction).
  • first guide portion and the second guide portion may include a first guide groove facing the first recess (RS1).
  • first guide portion and the second guide portion may include a second guide groove facing the second recess (RS2).
  • the first guide groove and the second guide groove may be grooves extending in the third direction (Z-axis direction).
  • first guide groove and the second guide groove may be grooves having different shapes.
  • the first guide groove may be a groove with an inclined side
  • the second guide groove may be a groove with a side perpendicular to the bottom surface.
  • first guide groove or the second guide groove may be plural. And, a plurality of balls having at least some different diameters may be positioned within the plurality of guide grooves.
  • At least one of the first coil (1251a) and the second coil (1251b) may be formed of at least one coil.
  • the first coil (1251a) may be formed of a plurality of coils.
  • the second coil (1251b) may be formed of a plurality of coils. Furthermore, even when the first coil and the second coil are one coil, the long stroke described below may be implemented.
  • the optical driving unit may include a first driving unit and a second driving unit.
  • the first driving unit may provide a driving force for moving the first lens assembly (1222a) along the optical axis direction.
  • the first driving unit may include a first coil (1251a) and a first magnet (1252a).
  • the first driving unit may include a first driving coil and a first driving magnet. Accordingly, the first coil (1251a) may be referred to as a 'first driving coil'. And the first magnet (1252a) may be referred to as a 'first driving magnet'.
  • the second driving unit can provide a driving force to move the second lens assembly (1222b) along the optical axis direction.
  • the second driving unit can include a second coil (1251b) and a second magnet (1252b).
  • the second driving unit may include a second driving coil and a second driving magnet. Accordingly, the second coil (1251b) may be referred to as a 'second driving coil'. And the second magnet (1252b) may be referred to as a 'second driving magnet'.
  • the elastic member (not shown) may include a first elastic member (not shown) and a second elastic member (not shown).
  • the first elastic member (not shown) may be coupled with an upper surface of the moving assembly (1222).
  • the second elastic member (not shown) may be coupled with a lower surface of the moving assembly (1222).
  • the first elastic member (not shown) and the second elastic member (not shown) may be formed as a plate spring as described above.
  • the first elastic member (not shown) and the second elastic member (not shown) may provide elasticity for the movement of the moving assembly (1222).
  • the present invention is not limited to the above-described positions, and the elastic members may be arranged at various positions.
  • the driving unit (1250) can provide a driving force to move the lens unit (1220) in the third direction (Z-axis direction).
  • the driving unit (1250) can include an optical driving coil (1251) and an optical driving magnet (1252).
  • the optical driving coil (1251) and the optical driving magnet (1252) can be positioned to face each other.
  • the first driving coil (1251a) and the first driving magnet (1252a) can be positioned to face each other.
  • the second driving coil (1251b) and the second driving magnet (1252b) can be positioned to face each other.
  • the first driving coil (1251a) can be positioned on one side along the second direction within the housing, and the second driving coil (1251a) can be positioned on the other side along the second direction within the housing.
  • the driving unit (1250) may further include a Hall sensor unit.
  • the Hall sensor unit (1253) includes at least one first Hall sensor (1253a) and a second Hall sensor (1253b), and may be located on the inner or outer side of the optical driving coil (1251).
  • the moving assembly can move in the third direction (Z-axis direction) by the electromagnetic force formed between the optical driving coil (1251) and the optical driving magnet (1252).
  • optical drive coil (1251) can be coupled to the substrate (1270) through a yoke or the like.
  • the optical drive coil (1251) is a fixed element together with the substrate portion (1270).
  • the optical drive magnet (1252) is a moving element that moves in the optical axis direction (Z-axis direction) together with the first and second assemblies.
  • the optical driving magnet (1252) may include a first magnet (1252a) and a second magnet (1252b).
  • the first coil (1251a) may include a first sub-coil (SC1a) and a second sub-coil (SC2a).
  • the first sub-coil (SC1a) and the second sub-coil (SC2a) may be sequentially arranged in the optical axis direction.
  • the first sub-coil (SC1a) may be positioned closer to the first camera actuator than the second sub-coil (SC2a).
  • the second coil (1251b) may include a third sub-coil (SC1b) and a fourth sub-coil (SC2b).
  • the third sub-coil (SC1b) and the fourth sub-coil (SC2b) may be sequentially arranged in the optical axis direction.
  • the third sub-coil (SC1b) may be positioned closer to the first camera actuator than the fourth sub-coil (SC2b).
  • first magnet (1252a) can face the first sub-coil (SC1a) and the second sub-coil (SC2a).
  • the second magnet (1252b) can face the third sub-coil (SC1b) and the fourth sub-coil (SC2b).
  • the first sub-coil (SC1a) can be positioned to overlap the third sub-coil (SC1b) in the second direction.
  • the second sub-coil (SC2a) can be positioned to overlap the fourth sub-coil (SC2b) in the second direction. In this way, the first magnet (1252a) and the second magnet (1252b) can be positioned to face two sub-coils in the same manner.
  • the coils of the first and second driving units in the second camera actuator may be described as including a first sub-coil (SC1a, SC1b) and a second sub-coil (SC2a, SC2b).
  • SC1a, SC1b first sub-coil
  • SC2a, SC2b second sub-coil
  • the sub-coils for driving the second lens assembly are described interchangeably as a third sub-coil and a fourth sub-coil.
  • the first sub-coil (SC1a) and the second sub-coil (SC2a) may be spaced apart from each other in the direction of the optical axis.
  • the first sub-coil (SC1a) and the second sub-coil (SC2a) may be connected in parallel with each other.
  • either one of one end and the other end of the first sub-coil (SC1a) may be connected to either one of one end and the other end of the second sub-coil (SC2a) as a node.
  • the other one of one end and the other end of the first sub-coil (SC1a) may be connected to the other one of one end and the other end of the second sub-coil (SC2a) as a different node.
  • the current applied to the first sub-coil (SC1a) and the second sub-coil (SC2a) may be distributed to each sub-coil. Accordingly, the first sub-coil (SC1a) and the second sub-coil (SC2a) are electrically connected in parallel, so that heat generation may be reduced.
  • the polarity of one side of the first driving magnet (1252a) facing the first driving coil (SC1a, SC2a) may be the same as the polarity of one side of the second driving magnet (1252b) facing the second driving coil (SC1b, SC2b).
  • the inner side of the first driving magnet (1252a) and the inner side of the second driving magnet (1252b) may have one of the N pole and the S pole (e.g., the N pole).
  • the outer side of the first driving magnet (1252a) and the outer side of the second driving magnet (1252b) may have the other of the N pole and the S pole (e.g., the S pole).
  • the inner side may be a side adjacent to the optical axis with respect to the optical axis, and the outer side may be a side far from the optical axis.
  • the first magnet (1252a) may have a first pole on a first surface (BSF1) facing the optical drive coil (e.g., the first coil).
  • the first magnet (1252a) may have a second pole on a second surface (BSF2) opposite the first surface (BSF1).
  • the second magnet (1252b) may have a first pole on the first surface (BSF1) facing the optical drive coil (e.g., the second coil).
  • the second magnet (1252b) may have a second pole on the second surface (BSF2) opposite the first surface (BSF1).
  • the first pole may be one of the N pole and the S pole.
  • the second pole may be the other of the N pole and the S pole.
  • the third sub-coil (SC1b) and the fourth sub-coil (SC2b) may be spaced apart from each other in the optical axis direction.
  • the third sub-coil (SC1b) and the fourth sub-coil (SC2b) may be connected in parallel with each other.
  • either one end or the other end of the third sub-coil (SC1b) may be connected to either one end or the other end of the fourth sub-coil (SC2b) as a single node.
  • each sub-coil may be connected in series or in parallel with each other.
  • the first magnet (1252a) and the second magnet (1252b) can be placed in the above-described grooves of the moving assembly (1222) and can be positioned to correspond to the first coil (1251a) and the second coil (1251b).
  • the optical driving magnet (1252) can be coupled with the first and second lens assemblies (or moving assemblies) together with the yoke described below.
  • the yoke portion (1240) may be arranged on the substrate portion (1270).
  • the yoke portion (1240) may form an attractive force with adjacent magnets to maintain the posture of the first and second lens assemblies. That is, the yoke portion (1240) may provide a holding force for the moving assembly.
  • the yoke portion (1240) may include a first yoke portion (1241) and a second yoke portion (1242).
  • the first yoke portion (1241) may be arranged on the first substrate (1271).
  • the second yoke portion (1242) may be arranged on the second substrate (1272). Details will be described later.
  • the base part (1260) may be positioned between the lens part (1220) and the image sensor within the circuit board. Components such as a filter may be fixed to the base part (1260). In addition, the base part (1260) may be arranged to surround the image sensor described above. With this configuration, the image sensor is free from foreign substances, etc., so that the reliability of the element may be improved. However, in some drawings below, this is removed and explained.
  • the second camera actuator (1200) may be a zoom actuator or an AF (Auto Focus) actuator.
  • the second camera actuator may support one or more lenses and move the lenses according to a control signal from a predetermined control unit to perform an auto focusing function or a zoom function.
  • the second camera actuator can be a fixed zoom or continuous zoom.
  • the second camera actuator can provide movement of the lens group (1221).
  • the second camera actuator may be composed of a plurality of lens assemblies.
  • the second camera actuator may be configured to include at least one of a third lens assembly (not shown), and a guide pin (not shown) in addition to the first lens assembly (1222a), the second lens assembly (1222b).
  • the above-described content may be applied to this. Accordingly, the second camera actuator may perform a high-magnification zooming function through the driving unit.
  • the image sensor may be located on the inside or outside of the second camera actuator. In an embodiment, the image sensor may be located on the outside of the second camera actuator as illustrated. For example, the image sensor may be located on a circuit board. The image sensor may receive light and convert the received light into an electrical signal. In addition, the image sensor may be formed of a plurality of pixels in an array form. And the image sensor may be located on an optical axis.
  • the substrate portion (1270) can be in contact with the side of the housing.
  • the substrate portion (1270) is located on the outer surface (first side) of the first side of the housing, particularly, the outer surface (second side) of the second side of the housing 2-2, and can be in contact with the first side and the second side. A detailed description thereof will be given later.
  • the second camera actuator may further include a first stopper (ST1a, ST1b, ST1c) positioned at one end (or front end) within the housing (or the 2-2 housing (1232)) and a second stopper (ST2a, ST2b) positioned at the other end (or rear end).
  • a first stopper ST1a, ST1b, ST1c
  • ST2a, ST2b second stopper
  • the first stopper (ST1) may be positioned at one end of the housing.
  • the first stopper (ST1) may be positioned at an end opposite to the optical axis direction in the 2-2 housing or the main barrel (1232).
  • the first stopper (ST1) may be positioned on an inner wall or inner wall of the housing or the main barrel (1232).
  • the first stopper (ST1) may be positioned on the first inner wall among the first inner wall and the second inner wall which face each other along the optical axis direction in the main barrel (1232).
  • the first stopper (ST1) may include a 1-1 stopper (ST1a) positioned on one side and a 1-2 stopper (ST1b) positioned on the other side.
  • the 1-1 stopper (ST1a) may be positioned on one side of the first inner wall.
  • the first-second stopper (ST1b) may be arranged on the other side of the first inner wall.
  • the first-first stopper (ST1a) may be positioned adjacent to the first side.
  • the first-second stopper (ST1b) may be positioned adjacent to the second side.
  • One side and the other side may mean one side and the opposite side in the second direction.
  • the first-first stopper (ST1a) may overlap with the guiding portion of the first lens assembly in the optical axis direction.
  • the first-second stopper (ST1b) may overlap with the lens protrusion portion of the first lens assembly in the optical axis direction.
  • the first stopper (ST1) may include a first-third stopper (ST1c) arranged on the other side of the main barrel (1232).
  • the first-third stopper (ST1c) may be positioned to overlap the guiding portion of the second lens assembly (1222b) in the optical axis direction.
  • the first-second stopper (ST1b) may be positioned between the first-third stopper (ST1c) and the first-first stopper (ST1a) in the horizontal direction or the second direction.
  • the second stopper (ST2) may be arranged at the other end of the 2-2 housing or the main barrel (1232).
  • the second stopper (ST2) may be positioned at an end in the optical axis direction of the 2-2 housing or the main barrel (1232).
  • the second stopper (ST2) may be positioned on an inner wall or an inner wall of the housing or the main barrel (1232).
  • the second stopper (ST2) may be positioned on the second inner wall among the first inner wall and the second inner wall that face each other along the optical axis direction of the main barrel (1232).
  • the first inner wall may be adjacent to the first camera actuator or the first lens assembly.
  • the second inner wall may be adjacent to the image sensor.
  • the second stopper (ST2) may include a second-first stopper (ST2a) disposed on one side and a second-second stopper (ST2b) disposed on the other side.
  • the second-first stopper (ST2a) may be positioned adjacent to the first side.
  • the second-second stopper (ST2b) may be positioned adjacent to the second side.
  • the second-first stopper (ST2a) may be positioned on one side of the first inner wall.
  • the second-second stopper (ST2b) may be positioned on the other side of the first inner wall.
  • an electromagnetic force (DEM1) is generated between the first magnet (1252a) and the first coil (1251a), so that the first lens assembly (1222a) can move along a rail located on the inner side of the housing through the first ball (B1) in a direction parallel to the optical axis, that is, in the third direction (Z-axis direction) or in the direction opposite to the third direction.
  • the first magnet (1252a) and the second magnet (1252b) do not move to an area facing the edges of the first and second sub-coils. Accordingly, an electromagnetic force is formed based on the flow of current in the adjacent area of the first sub-coil and the second sub-coil.
  • the first magnet (1252a) may be provided in the first lens assembly (1222a), for example, by a single-pole magnetization method.
  • a surface (first surface) facing the outer surface of the first magnet (1252a) may be a south pole.
  • the outer surface of the first magnet (1252a) may be a surface facing the first coil (1251a).
  • the surface opposite to the first surface may be a north pole. Accordingly, only one of the north pole and the south pole may be positioned to face the first coil (1251a).
  • the description will be based on the assumption that the outer surface of the first magnet (1252a) is the south pole.
  • the first coil (1251a) is composed of a plurality of sub-coils, and current may flow in opposite directions in the plurality of sub-coils. That is, in the region adjacent to the second sub-coil (SC2a) in the first sub-coil (SC1a), the current can flow in the same manner as 'DE1'.
  • the first region of the first sub-coil (SC1a) and the second region of the second sub-coil (SC2a) may have the same current direction.
  • the first region of the first sub-coil (SC1a) is a region that overlaps with the first driving magnet (1252a) in a direction perpendicular to the optical axis direction (the second direction) and is arranged perpendicular to the optical axis direction (e.g., arranged along the first direction).
  • the second region of the second sub-coil (Sc2a) is a region that overlaps with the first driving magnet (1252a) in a direction perpendicular to the optical axis direction (the second direction) and is arranged perpendicular to the optical axis direction (e.g., arranged along the first direction).
  • an electromagnetic force (DEM1) can act in the third direction (Z-axis direction) according to the interaction of electromagnetic forces (e.g., Fleming's left-hand rule).
  • the first lens assembly (1222a) in which the first magnet (1252a) is arranged can move in the opposite direction of the Z-axis direction by the electromagnetic force (DEM1) according to the current direction. That is, the optical driving magnet can move in the opposite direction of the electromagnetic force applied to the optical driving coil. In addition, the direction of the electromagnetic force can be changed according to the current of the coil and the magnetic force of the magnet.
  • the first lens assembly (1222a) can move along the rail located on the inner surface of the housing through the first ball in the third direction or in the direction parallel to the optical axis direction (in both directions).
  • the electromagnetic force (DEM1) can be controlled in proportion to the current (DE1) applied to the first coil (1251a).
  • the first lens assembly (1222a) or the second lens assembly (1222b) may include a first recess (RS1) in which the first ball or the second ball is seated.
  • the first lens assembly (1222a) or the second lens assembly (1222b) may include a second recess (RS2) in which the first ball or the second ball is seated.
  • There may be a plurality of first recesses (RS1) and second recesses (RS2).
  • the length of the first recess (RS1) in the optical axis direction (Z-axis direction) may be preset.
  • the length of the second recess (RS2) in the optical axis direction (Z-axis direction) may be preset.
  • the first ball and the second ball may have a movement distance adjusted in the optical axis direction within each recess.
  • the first recess (RS1) or the second recess (RS2) may be a stopper for the first and second balls.
  • the second magnet (1252b) may be provided in the second lens assembly (1222b) by, for example, a single-pole magnetization method.
  • the first coil (1251a) is composed of a plurality of sub-coils, and current can flow in opposite directions in the plurality of sub-coils. That is, in an area adjacent to the second sub-coil (SC2a) in the first sub-coil (SC1a), current can flow in the same manner as 'DE1'.
  • either the N pole or the S pole of the second magnet (1252b) may be positioned to face the second coil (1251b).
  • the surface (first surface) facing the outer surface of the second magnet (1252b) may be the S pole.
  • the first surface may be the N pole. The following description will be made based on the first surface being the N pole as illustrated.
  • the second coil (1251b) is composed of a plurality of sub-coils, and current can flow in opposite directions in the plurality of sub-coils. That is, in an area adjacent to the fourth sub-coil (SC2b) in the third sub-coil (SC1b), current can flow in the same manner as 'DE2'.
  • an electromagnetic force can be applied in a third direction (Z-axis direction) according to the interaction of electromagnetic forces (e.g., Fleming's left-hand rule).
  • the second lens assembly (1222b) in which the second magnet (1252b) is arranged can move in the opposite direction of the Z-axis direction by the electromagnetic force (DEM2) according to the current direction.
  • the direction of the electromagnetic force can be changed according to the current of the coil and the magnetic force of the magnet.
  • the second lens assembly (1222b) can move along the rail located on the inner surface of the housing through the second ball (B2) in a direction parallel to the third direction (Z-axis direction).
  • the electromagnetic force (DEM2) can be controlled in proportion to the current (DE2) applied to the second coil (1251b).
  • a driving unit may provide driving forces (F3A, F3B, F4A, F4B) to move a first lens assembly (1222a) and a second lens assembly (1222b) of a lens unit (1220) along a third direction (Z-axis direction).
  • the driving unit may include an optical driving coil (1251) and an optical driving magnet (1252).
  • the lens unit (1220) may move along the third direction (Z-axis direction) by an electromagnetic force formed between the optical driving coil (1251) and the optical driving magnet (1252).
  • the first coil (1251a) and the second coil (1251b) may be placed in holes formed in the side portions (e.g., the first side and the second side) of the housing (1230). And the second coil (1251b) may be electrically connected to the second substrate (1272). The first coil (1251a) may be electrically connected to the first substrate (1271). Accordingly, the first coil (1251a) and the second coil (1251b) may receive a driving signal (e.g., current) from a driving driver on the circuit board of the circuit board (1300) through the substrate portion (1270).
  • a driving signal e.g., current
  • the first lens assembly (1222a) on which the first magnet (1252a) is mounted can move along the third direction (Z-axis direction) by the electromagnetic force (F3A, F3B) between the first coil (1251a) and the first magnet (1252a).
  • the second lens group (1221b) mounted on the first lens assembly (1222a) can also move along the third direction.
  • the second lens assembly (1222b) on which the second magnet (1252b) is mounted can move along the third direction (Z-axis direction).
  • the third lens group (1221c) mounted on the second lens assembly (1222b) can also move along the third direction.
  • the focal length or magnification of the optical system can be changed by moving the second lens group (1221b) and the third lens group (1221c).
  • the magnification can be changed by moving the second lens group (1221b).
  • zooming can be performed.
  • the focus can be adjusted by moving the third lens group (1221c). In other words, auto focusing can be performed.
  • the second camera actuator may be a fixed zoom or continuous zoom depending on how the second lens group (or third lens group) moves.
  • first Hall sensor (1253a) and the second Hall sensor (1253b) may be disposed in at least one of the first sub-coil and the second sub-coil.
  • first Hall sensor (1253a) and the second Hall sensor (1253b) may overlap in the second direction.
  • first Hall sensor (1253a) and the second Hall sensor (1253b) may not overlap in the second direction.
  • first Hall sensor (1253a) and the second Hall sensor (1253b) may partially overlap in the second direction.
  • the first Hall sensor (1253a) may be located in the first sub-coil
  • the second Hall sensor (1253b) may be located in the fourth sub-coil.
  • the first lens assembly (1222a) can be positioned as close as possible to the first stopper (ST1a, ST1b). At this time, the distance between the guiding portion and the first-first stopper (ST1a) in the first lens assembly (1222a) can be reduced. In addition, the distance between the first-second stopper (ST1b) and the lens protrusion portion of the first lens assembly can also be reduced.
  • the first lens assembly (1222a) may collide with the first-first stopper (ST1a) and the first-second stopper (ST1b).
  • the first-first stopper and the first-second stopper may collide simultaneously or sequentially with the movement of the first lens assembly.
  • the first-first stopper and the first-second stopper may collide simultaneously with the movement of the first lens assembly.
  • the first lens assembly and the second lens assembly can include a lens including glass. And the glass can be positioned at the outermost side in the first lens assembly or the second lens assembly.
  • the shock may be primarily absorbed by a guiding portion having a large volume, thereby minimizing damage to the first lens assembly.
  • the second-2 stopper (ST2b) may collide with the second lens assembly (1222b). That is, when the second lens assembly (1222b) moves to the maximum in the image sensor or optical axis direction, the second lens assembly (1222b) may collide with the second-2 stopper (ST2b) and the second-1 stopper (ST2a). Accordingly, even if a lens made of glass is arranged in the second lens assembly (1222b), the collision can be minimized at the maximum movement position (mecha position) of the first lens assembly (1222a). That is, the phenomenon of the lens being broken can be suppressed. The same applies to the modified example.
  • the first lens assembly (1222a) moves, the first-first stopper (ST1a) and the first-second stopper (ST1b) can come into contact with the first lens assembly (1222a).
  • the first lens assembly (1222a) moves to the maximum mecha-to-mecha, the first lens assembly (1222a) can come into contact with the first stoppers (ST1a, ST1b).
  • the first lens assembly (1222a) can move to an end in the direction of the optical axis or to an end in the direction opposite to the direction of the optical axis.
  • the first lens assembly (1222a) can move to a point where it comes into contact with the first stopper or the second stopper.
  • the camera module when the first lens assembly (1222a) moves, the camera module can be in a tele or wide state.
  • the first lens assembly (1222a) comes into contact with the first stopper, it can be in a wide state, and when the first lens assembly (1222a) comes into contact with the second stopper, it can be in a tele state.
  • the first-third stopper (ST1c) can come into contact with the second lens assembly (1222b).
  • the first stopper By means of the first stopper, the impact on the movement of the first lens assembly (1222a) and the second lens assembly (1222b) can be reduced. As a result, as described above, the reliability of the first lens assembly (1222a) and the second lens assembly (1222b) and the reliability of the second lens group and the third lens group inside can be improved. Furthermore, since the movement range of the first lens assembly (1222a) and the second lens assembly (1222b) is limited, accurate driving of magnification, etc. can be achieved.
  • FIG. 10 is a perspective view of a part of a configuration of a second camera actuator according to an embodiment.
  • the first lens assembly (1222a) and the second lens assembly (1222b) can be spaced apart in the optical axis direction (Z-axis direction).
  • the second guide portion may be arranged to face the first guide portion.
  • the first guide portion and the second guide portion may overlap at least partially in the second direction (Y-axis direction).
  • first ball and the first coil, etc. may be arranged adjacently in the first guide section, and as described above, the second ball and the second coil, etc. may be arranged adjacently in the second guide section.
  • each of the first and second lens assemblies (1222a, 1222b) may include a yoke (YK1, YK2) disposed on the side.
  • the first yoke (YK1) may be positioned on the side of the first lens assembly (1222a).
  • the second yoke (YK2) may be positioned on the side of the second lens assembly (1222b). At least a portion of the first yoke (YK1) and the second yoke (YK2) may extend outward. Accordingly, the first yoke (YK1) may wrap at least a portion of the side of the first magnet (1252a). As illustrated, the first yoke (YK1) may be formed in various structures that wrap the inner surface and a portion of the side surface of the first magnet (1252a).
  • the first yoke (YK1) may be formed of divided members, and each divided member may be positioned on the inner surface and the side surface of the first magnet (1252a). Accordingly, the coupling force between the unipolarly magnetized optical drive magnet and the yoke may be improved.
  • the second yoke (YK2) can wrap at least a portion of the side surface of the second magnet (1252b). As illustrated, the second yoke (YK2) can be formed in various structures that wrap the inner surface and a portion of the side surface of the second magnet (1252b).
  • the second yoke (YK2) can be formed of divided members, and each divided member can be positioned on the inner surface and the side surface of the second magnet (1252b).
  • the yoke can be positioned to couple to both the optical drive coil as well as the optical drive magnet.
  • a plurality of balls can be positioned on the outer surface of the lens assembly.
  • the first ball can be positioned on the outer surface of the first lens assembly (1222a).
  • the second ball can be positioned on the outer surface of the second lens assembly (1222b).
  • the first ball and the second ball may include at least one ball. As shown in the drawing, a plurality of balls are arranged in the recess, but as described above, one ball may be seated in the recess.
  • the first ball and the second ball may be formed in plural pieces.
  • the first ball may be arranged in plural pieces in one recess of the first lens assembly (1222a) along the optical axis direction (Z-axis direction).
  • the second ball may be arranged in plural pieces in one recess of the second lens assembly (1222b) along the optical axis direction (Z-axis direction).
  • the second ball (B2) may include a first sub-ball (B2a), a second sub-ball (B2b), and a third sub-ball (B2c).
  • the first sub-ball (B2a), the second sub-ball (B2b), and the third sub-ball (B2c) may be arranged side by side along the optical axis direction. Accordingly, the first sub-ball (B2a), the second sub-ball (B2b), and the third sub-ball (B2c) may at least partially overlap each other in the optical axis direction.
  • first sub-ball (B2a) and the second sub-ball (B2b) can be located at the edges of the multiple balls.
  • the third sub-ball (B2c) can be located between the first sub-ball (B2a) and the second sub-ball (B2b).
  • the plurality of balls may have the same or different diameters.
  • the first sub-ball (B2a), the second sub-ball (B2b), and the third sub-ball (B2c) may have at least some of the same diameters (R1, R3, R2).
  • the first sub-ball (B2a), the second sub-ball (B2b), and the third sub-ball (B2c) may have different diameters (R1, R3, R2).
  • the diameters (R1, R3) of the balls (the first and second sub-balls) located at the edges may be smaller than the diameter (R2) of the ball (the third sub-ball) located inside among the plurality of balls.
  • the diameters (R1, R3) of the first sub-ball (B2a) and the second sub-ball (B2b) may be smaller than the diameter (R2) of the third sub-ball (B2c).
  • the optical driving magnet may be composed of a plurality of first magnets and second magnets as described above. And the first magnet and the second magnet may be opposite to each other and have the same poles arranged on the outside. That is, the first side (outside side) of the first magnet and the first side (outside side) of the second magnet may have the first pole. And the second side (inside side) of the first magnet and the second side (inside side) of the second magnet may have the second pole.
  • FIG. 11 is a drawing illustrating an optical drive coil, an optical drive magnet, and a yoke according to an embodiment
  • FIG. 12 is a drawing explaining the movement of the optical drive magnet by a drive unit according to an embodiment
  • FIG. 13 is a drawing explaining the movement of the first and second lens assemblies according to the embodiment.
  • the total length (or number of turns) of the first sub-coil (SC1a) according to the embodiment and the total length (number of turns) of the second sub-coil (SC2a) may be different from each other.
  • the hole (SC1ah) of the first sub-coil (SC1a) may have a different size from the hole (SC2ah) of the second sub-coil (SC2a).
  • the coil may include a plurality of sub-coils having different total lengths (or turns) corresponding to the weight of the lens assembly.
  • the total length (or number of turns) or the number of turns of the sub-coil at the front or rear end may increase depending on the location of a region with a large weight (e.g., corresponding to a front region described below) in the first lens assembly (1222a).
  • a region with a large weight in a lens assembly is located at the front end (an region opposite to the optical axis direction)
  • the total length (or number of turns) (or number of windings) of the first sub-coil located at the front end among the first sub-coil and the second sub-coil may be greater than the total length (or number of turns) (or number of windings) of the second sub-coil.
  • a frictional force generated in response to the weight while the lens assembly moves along the optical axis direction may also differ depending on the region of the lens assembly. Accordingly, by changing the total length (or number of turns) (or number of windings) of the first sub-coil and the second sub-coil in response to the size of the weight or the frictional force, the second camera actuator according to the embodiment can provide more accurate driving force.
  • the size of the hole of the sub-coil may change, or the length of the sub-coil in the second direction may also change. This will be described later. In addition, the following description will be based on the first coil.
  • first sub-coil (SC1a) and the second sub-coil (SC2a) may have the same length (W9) in the second direction or the first direction.
  • the length (W5) in the optical axis direction (Z-axis direction) of the first sub-coil (SC1a) may be equal to the length (W6) in the optical axis direction (Z-axis direction) of the second sub-coil (SC2a).
  • the driving force control by the first sub-coil (SC1a) and the second sub-coil (SC2a) may be easily performed.
  • the second camera actuator may provide the effects of ease of manufacturing and miniaturization.
  • the total length (W1) (or maximum length) of the optical drive coil in the optical axis direction (Z-axis direction) may be greater than the length (W2) (maximum length) of the optical drive magnet (1252a) in the optical axis direction (Z-axis direction).
  • the maximum movement distance (MD) of the first lens assembly in the optical axis direction may be greater than the length (W7) in the short axis direction (first direction) of the hole (or hollow portion, SC1ah) of the first sub-coil (SC1a), and may be equal to or less than the length (W3 or W4) in the long axis direction (optical axis direction or third direction) of the hole (or hollow portion) of the first sub-coil (SC1a) (or the second sub-coil (SC2a).
  • the maximum movement distance (MD) of the first lens assembly may be greater than the length (W8) in the short axis direction (first direction) of the hole (or hollow portion, SC2ah) of the second sub-coil (SC2a), and may be equal to or less than the length (W4) in the long axis direction (optical axis direction or third direction) of the hole (or hollow portion) of the second sub-coil (SC2a).
  • the maximum movement distance (MD3) of the second lens assembly in the optical axis direction may be greater than the length in the short axis direction (first direction) of the hole (or hollow portion) of the third sub-coil (SC1b), and may be equal to or less than the length in the long axis direction (optical axis direction or third direction) of the hole (or hollow portion) of the third sub-coil (SC1b).
  • the length (W3) of the hole (SC1ah) of the first sub-coil (SC1a) in the third direction may be smaller than the length (W4) of the hole (SC2ah) of the second sub-coil (SC2a) in the third direction.
  • the length (W7) of the hole (or hollow portion, SC1ah) of the first sub-coil (SC1a) in the short axis direction (first direction) may be smaller than the length (W8) of the hole (or hollow portion, SC2ah) of the second sub-coil (SC2a) in the short axis direction (first direction).
  • the length (W2) (maximum length) of the optical drive magnet in the optical axis direction (Z-axis direction) may be smaller than the length (W5) of the first sub-coil (SC1a) in the optical axis direction (Z-axis direction).
  • the maximum travel distance (MD) of the first lens assembly in the optical axis direction may be less than the length (maximum length, W2) in the optical axis direction (Z-axis direction) of the optical driving magnet (or the first and second driving magnets).
  • the first sub-coil (SC1a) and the second sub-coil (SC2a) may have current flow in different directions.
  • the current may flow in one of the clockwise and counterclockwise directions in the first sub-coil (SC1a), and the current may flow in the other of the clockwise and counterclockwise directions in the second sub-coil (SC2a).
  • the direction of the current may change depending on the position or polarity of the electrode terminal applied to the sub-coil or the coil.
  • the lens assemblies may be plural as described above, and among the plural, the lens assembly positioned at the rear end may have a greater movement distance in the optical axis direction than the lens assembly positioned at the front end.
  • the movement distance (MD2) in the optical axis direction (Z-axis direction) of the first lens assembly (1222a) may be smaller than the movement distance (MD3) in the optical axis direction (Z-axis direction) of the second lens assembly (1222b).
  • the movement distance in the optical axis direction of the second lens assembly (1222b) may be greater than the movement distance in the optical axis direction of the first lens assembly.
  • the first lens assembly (1222a) may be positioned at the front end of the second lens assembly (1222b).
  • the second lens assembly (1222b) may perform auto focusing (AF) by moving in a larger movement range than the movement range of the first lens assembly (1222a) that performs zooming.
  • the optical driving magnet (1252a) can move from the 'center' to the 'maximum movement 1' or the 'maximum movement 2'.
  • the optical driving magnet (1252a) can overlap the first sub-coil (SC1a) and the second sub-coil (SC2a) in the second direction.
  • the first sub-coil (SC1a) and the second sub-coil (SC2a) can both face the optical driving magnet.
  • the overlapping area of the first sub-coil (SC1a) and the optical driving magnet (1252a) may be identical to the overlapping area of the second sub-coil (SC2a) and the optical driving magnet (1252a).
  • the generation of counter electromotive force is minimized, and a long stroke can be implemented.
  • the optical driving magnet e.g., the first magnet (1252a)
  • the optical driving magnet (1252a) may have a larger overlapping area with the first sub-coil (SC1a) than with the second sub-coil (SC2a).
  • the optical driving magnet (1252a) may overlap at least partly with the inner hole of the first sub-coil (SC1a). More specifically, the optical driving magnet (1252a) may be spaced apart from the edge of the inner hole of the first sub-coil (SC1a) in the optical axis direction by a predetermined distance (GP2).
  • the counter electromotive force generated at the end of the first sub-coil (SC1a) can be reduced.
  • the optical driving magnet (1252a) can be moved with a maximum stroke to an area where the end and the second direction (Y-axis direction) do not overlap in the opposite direction to the optical axis direction of the first sub-coil (SC1a).
  • the optical driving magnet (1252a) may have a larger overlapping area with the second sub-coil (SC2a) than with the first sub-coil (SC1a). Furthermore, the optical driving magnet (1252a) may overlap at least partly with the inner hole of the second sub-coil (SC2a). More specifically, the optical driving magnet (1252a) may be spaced apart from the edge of the inner hole of the second sub-coil (SC2a) in the optical axis direction by a predetermined distance (GP1).
  • GP1 predetermined distance
  • the optical driving magnet (1252a) can be moved with a maximum stroke to an area where the end and the second direction (Y-axis direction) do not overlap in the optical axis direction of the second sub-coil (SC2a).
  • the long stroke of the camera actuator can be efficiently implemented through the unipolar magnetization and the current direction of the plurality of optical driving coils.
  • the maximum movement distance of the optical driving magnet (1252a) may correspond to the length in the optical axis direction of the first and second recesses that accommodate the first ball or the second ball in the first lens assembly described above.
  • the maximum movement distance of the optical driving magnet (1252a) may correspond to the distance that the optical driving magnet (1252a) moves from the maximum movement 1 to the maximum movement 2 in the optical axis direction (Z-axis direction).
  • the maximum movement distance of the optical driving magnet (1252a) may correspond to the gap between stoppers that limit the movement in the optical axis direction of the first ball or the second ball.
  • the maximum movement distance of the optical driving magnet (1252a) may correspond to the maximum distance that the bobbin can move, and may correspond to the separation distance in the optical axis direction between a stopper located in the optical axis direction with respect to the bobbin and a stopper located in the opposite direction of the optical axis direction.
  • the maximum movement distance of the optical driving magnet (1252a) can correspond to twice the distance moved from the center to the maximum movement 1.
  • the first front region (FA1) and the first rear region (RA1) may have different weights.
  • the first sub-coil (SC1a) and the second sub-coil (SC2a) may have different total lengths (or turns), hole sizes, etc. corresponding to the weights of the first front region (FA1) and the first rear region (RA1).
  • the sub-coil on the side (end) that is the same as the area with a large weight may have a larger total length (or turns) or hole size than the sub-coil on the other side (end).
  • the total length (or number of turns) of the first sub-coil (SC1a) may be greater than the total length (or number of turns) of the second sub-coil (SC2a).
  • the number of turns of the first sub-coil (SC1a) may be greater than the number of turns of the second sub-coil (SC2a).
  • the total length (or number of turns) of the first sub-coil (SC1a) may be smaller than the total length (or number of turns) of the second sub-coil (SC2a).
  • the number of turns of the first sub-coil (SC1a) may be smaller than the number of turns of the second sub-coil (SC2a).
  • the size of the hole (SC1ah) of the first sub-coil (SC1a) may be smaller than the size of the hole (SC2ah) of the second sub-coil (SC2a).
  • the size of the hole (SC1ah) of the first sub-coil (SC1a) may be larger than the size of the hole (SC2ah) of the second sub-coil (SC2a).
  • the first lens assembly may include a receiving portion that receives a lens and a guiding portion that is in contact with the receiving portion and in which a ball portion is positioned.
  • the guiding portion may have a longer length in the optical axis direction than the receiving portion.
  • the guiding portion may have a first magnet disposed thereon and may be adjacent to the first coil relative to the receiving portion.
  • a second lens group is received in the receiving portion, and the receiving portion may be positioned in a front region of the guiding portion or the first lens assembly.
  • the first front region (FA1) may have a greater weight than the first rear region (RA1). That is, the weight of the first front region (FA1) may be greater than the weight of the first rear region (RA1).
  • the total length (or number of turns) of the first sub-coil (SC1a) may be greater than the total length (or number of turns) of the second sub-coil (SC2a).
  • the number of turns of the first sub-coil (SC1a) may be greater than the number of turns of the second sub-coil (SC2a).
  • the size of the hole (SC1ah) of the first sub-coil (SC1a) may be smaller than the size of the hole (SC2ah) of the second sub-coil (SC2a).
  • the first lens assembly (1222a) may be divided into a plurality of regions rather than the two regions described above, and the plurality of regions may have different weights.
  • the number of turns (or total length) and number of sub-coils may vary in correspondence with the plurality of regions.
  • the total length (or number of turns), the number of turns, and the hole size of the sub-coil may be changed in response to the position of the lens group, not the area-specific load.
  • the total length (or number of turns), the number of turns, and the hole size of the sub-coil located at the front end or the sub-coil located at the rear end may be changed in response to the position.
  • FIG. 14 is a perspective view of a first lens assembly, a first bonding member, a second bonding member, and a second lens assembly according to an embodiment.
  • the first lens assembly (1222a) and the second lens assembly (1222b) can be spaced apart from each other in the optical axis direction (Z-axis direction).
  • the first lens assembly (1222a) and the second lens assembly (1222b) can move along the optical axis direction (Z-axis direction) by a driving unit.
  • an auto focus or zoom function can be performed by the movement of the first lens assembly (1222a) and the second lens assembly (1222b).
  • the first lens assembly (1222a) may include a first lens holder (LAH1) that holds and combines the second lens group (1221b).
  • the first lens holder (LAH1) may be combined with the second lens group (1221b).
  • the first lens holder (LAH1) may include a first lens hole (LH1) for accommodating the second lens group (1221b). That is, a second lens group (1221b) including at least one lens may be arranged in the first lens hole (LH1).
  • the first lens holder (LAH1) is the same as the receiving portion (e.g., the first receiving portion, the second receiving portion) described below, and they are used interchangeably in this specification.
  • the second lens assembly (1222b) may include a second lens holder (LAH2) that holds and combines the third lens group (1221c).
  • the second lens holder (LAH2) may include a second lens hole (LH2) for accommodating the third lens group (1221c). That is, at least one lens may be arranged in the second lens hole (LH2).
  • each of the first lens assembly (1222a) and the second lens assembly (1222b) may include outer surfaces adjacent to each other.
  • the first lens assembly (1222a) may include a first outer surface (MM1)
  • the second lens assembly (1222b) may include a second outer surface (MM2).
  • the first outer surface (MM1) may be a bottom surface of the first lens holder (LAH1) with respect to the optical axis direction (Z-axis direction).
  • the third outer surface (MM3) described below may be an upper surface of the first lens holder (LAH1).
  • the second outer surface (MM2) may be an upper surface of the second lens holder (LAH2)
  • the fourth outer surface (MM4) may be a bottom surface of the second lens holder (LAH2).
  • first outer side surface (MM1) and the second outer side surface (MM2) can overlap each other at least partially in the optical axis direction (Z-axis direction).
  • first outer side surface (MM1) to the fourth outer side surface (MM4) can overlap each other at least partially in the optical axis direction (Z-axis direction).
  • the joining member (not shown) can contact at least one of the first outer surface (MM1) and the second outer surface (MM2).
  • FIG. 15 is a perspective view of a first lens assembly (or second lens assembly) according to an embodiment.
  • the first lens assembly (1222a) and the second lens assembly (1222b) can move in the optical axis direction or the third direction (Z-axis direction).
  • the following description will be based on the first lens assembly (1222a), but the description of the first lens assembly can be equally applied to the second lens assembly (1222b).
  • the first lens assembly (1222a) and the second lens assembly (1222b) can be arranged parallel to the optical axis, and their respective guiding parts can be positioned on sides facing each other.
  • the first lens assembly (1222a) and the second lens assembly (1222b) can be positioned in a flipped or corresponding form with respect to the optical axis.
  • At least one of the first lens assembly (1222a) and the second lens assembly (1222b) may include a receiving portion (lens holder, LAH1) for receiving a lens, a guiding portion (GP), and a lens protrusion portion (LP).
  • a receiving portion lens holder, LAH1
  • GP guiding portion
  • LP lens protrusion portion
  • the receiving portion or the first lens holder (LAH1) includes a first lens hole (LH1).
  • the lens holder is described as the receiving portion (LAH1).
  • a lens can be placed in the first lens hole (LH1).
  • the guiding portion (GP) may be in contact with the receiving portion (LAH1) and the ball portion may be arranged.
  • the ball portion may include the first ball and the second ball.
  • the first ball and the second ball may be positioned or settled in the first lens assembly (1222a) and the guide groove. Accordingly, when a driving force (e.g., electromagnetic force) is generated by the driving portion, the first lens assembly (1222a) may move along the optical axis direction by the rolling motion of the first ball and the second ball.
  • a driving force e.g., electromagnetic force
  • the lens protrusion (LP) can be in contact with the receiving portion (LAH1) and correspond to the guiding portion (GP).
  • the guiding portion (GP) may be located on one side or one portion of the receiving portion (LAH1).
  • the lens protrusion (LP) may be located on the other side or the other portion of the receiving portion (LAH1).
  • the guiding portion (GP) may be located on the opposite side of the lens protrusion (LP) with respect to the receiving portion (LAH1).
  • the guiding portion (GP) may be longer in the optical axis direction than the receiving portion (LAH).
  • the lens protrusion (LP) may include a plate (LP1) and a support (LP2).
  • the plate (LP1) may be positioned at the front end of the support (LP2).
  • the support (LP2) may be connected to the plate (LP1) and positioned at the rear end of the plate (LP1).
  • the front end means an end opposite to the optical axis direction
  • the rear end means an end in the optical axis direction.
  • the height (Wa) of the plate (LP1) can be greater than the height (Wb) of the support (LP2).
  • the height corresponds to the length in the first direction (X-axis direction).
  • the thickness (THb) of the lens protrusion (LP) or the support (LP2) can decrease along the optical axis.
  • the thickness corresponds to the length in the second direction (Y-axis direction).
  • the length corresponds to the length in the third direction (Z-axis direction).
  • the length of the plate (PL1) according to the embodiment may be shorter than the length of the support member (LP2). Accordingly, the ease of extraction and the support capacity can be further improved.
  • the guiding portion (GP) may include a side plate (GPa) and a wing portion (GPb).
  • the wing portion (GPb) may be in contact with both the side plate (GPa) and the receiving portion (LAH1).
  • the thickness (THa) of the wing portion (GPb) may decrease along the optical axis direction.
  • the wing portions (GPb) may be plural.
  • a retainer (RT1) may be positioned on the first outer surface (MM1) of the first lens assembly (1222a).
  • the first lens assembly and the second lens assembly may have retainers positioned on their outer surfaces (first and second outer surfaces) facing each other.
  • the retainer (RT1) may be coupled to the first outer surface (MM1) through a protrusion/groove structure.
  • a bonding member including epoxy or the like may be applied to the first outer surface (MM1). Accordingly, the bonding force between the first outer surface (MM1) and the retainer (RT1) may be improved.
  • the retainer (RT1) may prevent the lens positioned in the first lens hole (LH1) from falling off.
  • a plurality of grooves or protrusions may be formed on the first outer surface (MM1).
  • a plurality of marks may be positioned on the side surface in the first direction of the first lens assembly (1222a).
  • the positions of the first and second lens assemblies can be recognized through marks, and inspection of the operation of the first and second lens assemblies can be performed using the recognition.
  • the receiving portion (LAH1) may be located in the front region.
  • the receiving portion may be located in the second rear region.
  • first lens assembly (1222a) may have the receiving portion (LAH1) positioned in the first front area (FA1), so that the first front area (FA1) may be heavier than the first rear area (RA1).
  • second lens assembly may have the receiving portion positioned in the second rear area, so that the second front area may be lighter than the second rear area. A detailed description thereof will be given later.
  • FIG. 16 is a plan view of a first lens assembly, a second lens assembly, a first driving unit, and a second driving unit in a second camera actuator according to an embodiment
  • FIG. 17 is a perspective view of FIG. 16
  • FIG. 18 is another perspective view of FIG. 16.
  • a second lens assembly (1222b) that moves in the optical axis direction may be positioned within the housing.
  • the second driving unit may include a second coil (1252a) and a second magnet (1252b).
  • the second driving unit may move the second lens assembly (1222b) along the optical axis direction.
  • the second coil (1251b) may include a third sub-coil (SC1b) and a fourth sub-coil (SC2b) that are arranged along the optical axis direction as described above.
  • the total length (or number of turns) of the third sub-coil (SC1b) and the total length (or number of turns) of the fourth sub-coil (SC2b) according to the embodiment may be different from each other.
  • the hole (SC1bh) of the third sub-coil (SC1b) may have a different size from the hole (SC2bh) of the fourth sub-coil (SC2b).
  • each coil may include a plurality of sub-coils having different total lengths (or turns) corresponding to the weight of the lens assembly driven by each coil.
  • the total length (or turns) or the number of turns of the sub-coil may increase depending on the location of a region with a large weight (e.g., corresponding to the second rear region described below) in the second lens assembly (1222b).
  • the second camera actuator according to the embodiment may provide more accurate driving.
  • the size of the hole of the sub-coil may change, or the length of the sub-coil in the second direction may also change, corresponding to the difference in weight.
  • the second lens assembly (1222b) may include a second front region (FA2) and a second rear region (RA2) along the optical axis direction (Z-axis direction).
  • the second front region (FA2) and the second rear region (RA2) may be sequentially arranged along the optical axis direction.
  • the first front region, the first rear region, the second front region (FA2), and the third rear region (RA2) may be sequentially positioned along the optical axis direction.
  • the second front area (FA2) and the second rear area (RA2) may correspond to an area that divides the second lens assembly (1222b) into two equal parts along the optical axis direction.
  • the second front region (FA2) and the second rear region (RA2) may have different weights.
  • the third sub-coil (SC1b) and the fourth sub-coil (SC2b) may have different numbers of turns, total lengths (or number of turns), hole sizes, etc., corresponding to the weights of the second front region (FA2) and the second rear region (RA2).
  • the sub-coil located on the same side (end) as the area with a large weight among the second lens assembly (1222b) may have a larger total length (or number of turns) or hole size than the sub-coil located on the other side (end).
  • the total length (or number of turns) of the third sub-coil (SC1b) may be greater than the total length (or number of turns) of the fourth sub-coil (SC2b).
  • the number of turns of the third sub-coil (SC1b) may be greater than the number of turns of the fourth sub-coil (SC2b).
  • the total length (or number of turns) of the third sub-coil (SC1b) may be smaller than the total length (or number of turns) of the fourth sub-coil (SC2b).
  • the number of turns of the third sub-coil (SC1b) may be smaller than the number of turns of the fourth sub-coil (SC2b).
  • the size of the hole (SC1bh) of the third sub-coil (SC1b) may be smaller than the size of the hole (SC2bh) of the fourth sub-coil (SC2b).
  • the size of the hole (SC1bh) of the third sub-coil (SC1b) may be larger than the size of the hole (SC2bh) of the fourth sub-coil (SC2b).
  • the second lens assembly (1222b) may include a receiving portion that receives a lens corresponding to the first lens assembly, and a guiding portion that is in contact with the receiving portion and in which a ball portion is positioned.
  • the guiding portion may have a longer length in the optical axis direction than the receiving portion.
  • the guiding portion may have a second magnet disposed thereon and may be adjacent to the second coil relative to the receiving portion.
  • a third lens group is received in the receiving portion in the second lens assembly, and the receiving portion may be positioned in the guiding portion or a rear region of the second lens assembly.
  • the second front region (FA2) may have a smaller weight than the second rear region (RA2). That is, the weight of the second front region (FA2) may be smaller than the weight of the second rear region (RA2).
  • the total length (or number of turns) of the third sub-coil (SC1b) may be smaller than the total length (or number of turns) of the fourth sub-coil (SC2b).
  • the number of turns of the third sub-coil (SC1b) may be smaller than the number of turns of the fourth sub-coil (SC2b).
  • the size of the hole (SC1bh) of the third sub-coil (SC1b) may be larger than the size of the hole (SC2bh) of the fourth sub-coil (SC2b).
  • the lens hole or receiver (LAH1) may be positioned in the first front area (FA1)
  • the lens hole or receiver (LAH2) may be positioned in the second rear area (RA1). Accordingly, the minimum distance in the optical axis direction between the first lens assembly and the second lens assembly may be minimized. Accordingly, the length in the optical axis direction of the second camera actuator may be compacted while increasing the strokes of the first lens assembly and the second lens assembly.
  • the first sub-coil (SC1a) may have a greater total length (or number of turns) (number of windings) than the second sub-coil (SC2a), and the third sub-coil (SC1b) may have a smaller total length (or number of turns) (number of windings) than the fourth sub-coil (SC2b).
  • first sub-coil (SC1a) may correspond to the third sub-coil (SC1b), and the third sub-coil (SC1b) may correspond to the fourth sub-coil (SC2b).
  • first sub-coil (SC1a) may face the third sub-coil (SC1b) with respect to the optical axis and overlap in the second direction.
  • the third sub-coil (SC1b) may face the fourth sub-coil (SC2b) with respect to the optical axis and overlap in the second direction.
  • the hole (SC1ah) of the first sub-coil (SC1a) may be smaller than the hole (SC1bh) of the hole (SC1b) of the third sub-coil (SC1b).
  • the hole (SC2ah) of the second sub-coil (SC2a) may be larger than the hole (SC2bh) of the fourth sub-coil (SC2b). That is, the first coil (1251a) and the second coil (1251b) may be arranged so that the sub-coils having larger hole sizes are misaligned with each other. That is, the first sub-coil (SC1a) may be arranged so as to be misaligned with the fourth sub-coil (SC2b) (in the second direction).
  • the second sub-coil (SC2a) may be arranged so as to be misaligned with the third sub-coil (SC1b) (in the second direction).
  • interference e.g., the influence of the magnetic force of the coil or magnet, etc.
  • first sub-coil (SC1a) and the third sub-coil (SC1b) may also be partially non-overlapping (NOV1) in the second direction (Y-axis direction) perpendicular to the optical axis direction.
  • This non-overlapping (NOV1) is caused by the hole (SC1ah) of the first sub-coil (SC1a) and the hole (SC1bh) of the third sub-coil (SC1b) having different sizes.
  • the second sub-coil (SC2a) and the fourth sub-coil (SC2b) may also be partially non-overlapping in the second direction (Y-axis direction) perpendicular to the optical axis direction (NOV2).
  • This non-overlapping (NOV2) is caused by the hole (SC2ah) of the second sub-coil (SC2a) and the hole (SC2bh) of the fourth sub-coil (SC2b) having different sizes.
  • FIG. 19 is a plan view of a first lens assembly and a first driving unit in a second camera actuator according to another embodiment
  • FIG. 20 is a plan view of a first lens assembly, a second lens assembly, a first driving unit, and a second driving unit in a second camera actuator according to another embodiment.
  • the second camera actuator according to another embodiment may be applied with the same content as described above except for the content described below.
  • the total length (or number of turns) of the first sub-coil (SC1a) according to another embodiment may be different from the total length (or number of turns) of the second sub-coil (SC2a).
  • the coil in the second camera actuator according to the present embodiment, may include a plurality of sub-coils whose total lengths (or number of turns) are different from each other in response to the weight of the lens assembly.
  • the hole of the first sub-coil (SC1a) and the hole of the second sub-coil (SC2a) may have the same size.
  • the length (L1) of the first sub-coil (SC1a) in the second direction (Y-axis direction) may be greater than the length (L2) of the second sub-coil (SC2a) in the second direction (Y-axis direction).
  • the inner surface of the first sub-coil (SC1a) and the inner surface of the second sub-coil (SC2a) may be arranged at the same position. That is, the distance in the second direction between the inner surface of the first sub-coil (SC1a) and the second magnet may be the same as the distance in the second direction between the inner surface of the second sub-coil (SC2a) and the second magnet.
  • the distance (L4) in the second direction between the outer surface of the first sub-coil (SC1a) and the second magnet may be different from the distance (L3) in the second direction between the outer surface of the second sub-coil (SC2a) and the second magnet.
  • the distance (L4) in the second direction between the outer surface of the first sub-coil (SC1a) and the second magnet may be greater than the distance (L3) in the second direction between the outer surface of the second sub-coil (SC2a) and the second magnet.
  • a first support member (SM1) may be positioned on the first substrate.
  • a second sub-coil (SC2a) may be positioned on the first support member (SM1).
  • the first support member (SM1) can improve driving accuracy by adjusting the position of the inner surface between the first sub-coil (SC1a) and the second sub-coil (SC2a).
  • the hole of the fourth sub-coil (SC2b) and the hole of the third sub-coil (SC1b) may have the same size.
  • the length of the fourth sub-coil (SC2b) in the second direction (Y-axis direction) may be greater than the length of the third sub-coil (SC1b) in the second direction (Y-axis direction).
  • the inner surface of the fourth sub-coil (SC2b) and the inner surface of the third sub-coil (SC1b) may be arranged at the same position. That is, the distance in the second direction between the inner surface of the fourth sub-coil (SC2b) and the second magnet may be the same as the distance in the second direction between the inner surface of the third sub-coil (SC1b) and the second magnet. In addition, the distance in the second direction between the outer surface of the fourth sub-coil (SC2b) and the second magnet may be different from the distance in the second direction between the outer surface of the third sub-coil (SC1b) and the second magnet.
  • the distance in the second direction between the outer surface of the fourth sub-coil (SC2b) and the second magnet may be greater than the distance in the second direction between the outer surface of the third sub-coil (SC1b) and the second magnet.
  • a second support member (SM2) may be positioned on the second substrate.
  • the third sub-coil (SC1b) can be positioned on the second support member (SM2).
  • the second support member (SM2) can improve driving accuracy by adjusting the position of the inner surface between the fourth sub-coil (SC2b) and the third sub-coil (SC1b).
  • first support member (SM1) and the second support member (SM2) may be arranged misaligned in the second direction. Accordingly, the first support member (SM1) and the second support member (SM2) may not overlap in the second direction.
  • the current applied to each sub-coil may be different.
  • the current applied to the first sub-coil may be greater than the current flowing to the second sub-coil, and the current applied to the third sub-coil may be less than the current flowing to the fourth sub-coil.
  • Fig. 21 is a schematic diagram illustrating a circuit board according to an embodiment.
  • the circuit board (1300) may include a first circuit board portion (1310) and a second circuit board portion (1320).
  • the first circuit board portion (1310) may be positioned at the lower portion of the base and may be coupled with the base.
  • an image sensor (IS) may be arranged on the first circuit board portion (1310).
  • the first circuit board portion (1310) and the image sensor (IS) may be electrically connected. That is, the base may be positioned at the rear end of the second camera actuator, and the image sensor and the circuit board (first circuit board portion) may be positioned at the rear end of the base.
  • the base may include a filter (e.g., infrared, etc.).
  • the circuit board (1300) may include the image sensor and the sensor base described above.
  • the second circuit board portion (1320) may be located on the side of the base.
  • the second circuit board portion (1320) may be located on the first side of the base. Accordingly, the second circuit board portion (1320) may be located adjacent to the first coil located adjacent to the first side, so that electrical connection may be easily made.
  • the second circuit board portion (1320) may be located on the second side. In this way, the number of second circuit board portions (1320) may be plural. However, it is not limited thereto, and may be located on only one of the first side and the second side.
  • the circuit board (1300) may additionally include a fixed board (not shown) located on the side. Accordingly, even if the circuit board (1300) is made of a flexible material, it can be combined with the base while maintaining rigidity by the fixed board.
  • the second circuit board portion (1320) of the circuit board (1300) may be located on the side of the driving unit (1250).
  • the circuit board (1300) may be electrically connected to the first driving unit and the driving unit.
  • the electrical connection may be made by SMT.
  • the present invention is not limited to this method.
  • circuit boards (1300) may include circuit boards having electrically connectable wiring patterns, such as rigid printed circuit boards (Rigid PCBs), flexible printed circuit boards (Flexible PCBs), and rigid flexible printed circuit boards (Rigid Flexible PCBs), but are not limited to these types.
  • rigid PCBs rigid printed circuit boards
  • Flexible PCBs flexible printed circuit boards
  • rigid Flexible PCBs rigid flexible printed circuit boards
  • circuit board (1300) may be electrically connected to another camera module within the terminal or a processor of the terminal.
  • the above-described camera actuator and the camera module including the same may transmit and receive various signals within the terminal.
  • FIG. 22 is an exploded perspective view of a sensor module according to an embodiment
  • FIG. 23 is a front view of a sensor module according to an embodiment
  • FIG. 24 is a back view of a sensor module according to an embodiment
  • FIG. 25 is a perspective view of a body according to an embodiment
  • FIG. 26 is a front view of a body according to an embodiment
  • FIG. 27 is a partial enlarged view of a body according to an embodiment.
  • a sensor module (2000) may include a first camera actuator (2100), a second camera actuator (2200), a circuit board (2300), a shield can (2400), a heat dissipation member (2500), a body (2600), a tape (2700), a protective film (2800), and a lens assembly (2900).
  • the body (2600) can surround a shield can (2400).
  • the body (2600) may be placed outside the sensor module (2000).
  • the body (2600) may surround the first camera actuator (2100), the second camera actuator (2200), the circuit board (2300), the shield can (2400), etc., which are located inside the sensor module (2000).
  • the body (2600) may absorb external impacts on the sensor module (2000) or prevent foreign substances from entering. In other words, the body (2600) may improve the reliability of the sensor module (2000).
  • the body (2600) may be positioned at a side portion of the sensor module (2000). Accordingly, the body (2600) may surround the side of the first camera actuator (2100), the second camera actuator (2200), the circuit board (2300), and the shield can (2400).
  • the body (2600) may surround the outside of the shield can (2400).
  • the body (2600) may be in contact with the shield can (2400).
  • the body (2600) may be in contact with the heat dissipation member (2500).
  • the body (2600) may include an Al bracket. With this configuration, the body (2600) may improve structural stability and perform effective heat dissipation.
  • the sensor module (2000) can protect the shield can (2400) and the circuit board (2300) placed inside the shield can (2400) from external impact by wrapping the side of the shield can (2400).
  • the body (2600) can be in contact with the first region. By being in contact with the first region, the body (2600) can release heat generated from the image sensor to the outside through the first region of the heat dissipation member (2500).
  • the body (2600) may include a body groove (2610).
  • the body groove (2610) may overlap with the image sensor in the optical axis direction.
  • the body groove (2610) may be located at the rear end of the circuit board (2300). Accordingly, the body groove (2610) may partially overlap with the circuit board (2300) in the optical axis direction.
  • the body groove (2610) may also partially overlap with the first camera actuator (2100) and the second camera actuator (2200) in the optical axis direction.
  • the body groove (2610) may be formed as a structure in which a portion of one side of the body (2600) is dug out.
  • the body groove (2610) may be located in a portion of the inner surface area of the body (2600).
  • the body groove (2610) may include a shape having a step of a predetermined width from the inner surface of the body.
  • the body groove (2610) may be in contact with a portion of one surface of the heat dissipation member (2500).
  • the body groove (2610) may be in contact with a first region of the heat dissipation member (2500).
  • the body groove (2610) may overlap with the groove (2410 of FIG. 28) of the shield can (2400) in the optical axis direction.
  • the body groove (2610) and the groove (2410 of FIG. 28) may overlap in the Z-axis direction.
  • the X-axis width of the body groove (2610) and the X-axis width of the groove may be the same.
  • the body groove (2610) overlaps with the groove (2410 of FIG. 28) of the shield can (2400) in the optical axis direction, so that a heat dissipation member (2500) penetrating the groove (2410 of FIG. 28) may be placed inside the body groove (2610).
  • the body groove (2610) may overlap with the image sensor in the optical axis direction.
  • the body groove (2610) may partially overlap with the image sensor of the circuit board (2300) in the optical axis direction, so that heat generated from the image sensor may be easily released to the outside through the heat dissipation member (2500) disposed on the body groove (2610).
  • the body home (2610) may be arranged to overlap the first region in the optical axis direction and to be misaligned with the second region in the optical axis direction.
  • the body groove (2610) is arranged to overlap the first region in the optical axis direction and to be misaligned with the second region in the optical axis direction, so that heat generated from the image sensor can be easily released to the body (2600) through the first region.
  • the body groove (2610) overlaps the first region in the optical axis direction, so that the heat dissipation member (2500) can come into contact with the body groove (2610) to facilitate heat dissipation.
  • the body (2600) may include a body extension portion (2620) extending to one side.
  • the body extension (2620) may be arranged parallel to the body groove (2610) in the Y-axis direction.
  • the body extension (2620) may be located on the inner surface of the body (2600).
  • the body extension (2620) may be arranged spaced apart from the shield can (2400) by a predetermined distance in the Z-axis direction.
  • the body groove (2610) and the body extension (2620) may have a predetermined height difference (h1) in the Z-axis direction.
  • the upper surface (2620US) of the body extension (2620) may be positioned above the lower surface of the heat dissipation member (2500).
  • FIG. 28 is a perspective view of a shield can according to an embodiment
  • FIG. 29 is a front view of a shield can according to an embodiment
  • FIG. 30 is a partially enlarged view of a shield can according to an embodiment.
  • a sensor module (2000) may include a shield can (2400) surrounding a circuit board (2300).
  • the shield can (2400) can surround the circuit board (2300).
  • the shield can (2400) can surround the first and second camera actuators (2100, 1200) from the outside.
  • the outer side surface of the shield can (2400) can be in contact with the inner side of the body (2600).
  • the shield can (2400) can be in contact with the heat dissipation member (2500).
  • the width of the shield can (2400) in the X-axis or Z-axis direction can be narrower than the width of the body (2600) in the X-axis or Z-axis direction.
  • the shield can (2400) may include a home (2410) and a second frame (2420).
  • the home (2410) and the second frame (2420) may be arranged on one surface of the shield can (2400).
  • a shield can (2400) may include a groove (2410) that overlaps the image sensor in the optical axis direction.
  • the groove (2410) may penetrate a portion of one side of the shield can (2400).
  • the groove (2410) may have an opening shape having a certain width and depth.
  • the groove (2410) may include a rectangular opening.
  • the groove (2410) may facilitate connection with the body (2600) that is arranged to surround the outside of the shield can (2400).
  • the formation of the groove (2410) may facilitate heat dissipation.
  • the home (2410) according to the embodiment may be arranged misaligned with the second region in the direction of the optical axis.
  • the groove (2410) of the shield can (2400) may be arranged to be misaligned with the second region of the heat dissipation member (2500) in the optical axis direction, so that the second region may be arranged on the second frame (2420) of the shield can (2400).
  • the groove (2410) may be arranged to be misaligned with the second region of the heat dissipation member (2500) in the optical axis direction, so that the second region may be arranged parallel with the first region in the optical axis direction, and the lower surface of the first region may be in contact with the body (2600).
  • a shield can (2400) may include a second frame (2420) facing the first frame.
  • the second frame (2420) may be positioned facing the first frame of the circuit board (2300).
  • the second frame (2420) may be positioned on a portion of one side of the shield can (2400).
  • the second frame (2420) can be arranged parallel to the home (2410) in the Y-axis direction.
  • the second frame (2420) can be arranged a certain distance apart from the body (2600) in the Z-axis direction.
  • the second frame (2420) can be in contact with the heat dissipation member (2500).
  • the second frame (2420) can be in contact with the second region of the heat dissipation member (2500).
  • the Z-axis width of the second frame (2420) can be narrower than the Z-axis width of the first region of the heat dissipation member (2500).
  • the groove (2410) can overlap with the image sensor of the circuit board (2300) in the optical axis direction.
  • a second frame (2420) may include a third side adjacent to the image sensor and a fourth side disposed at a rear end of the third side.
  • the third side of the second frame (2420) may be arranged adjacent to the image sensor (IS). The third side may be in contact with the second area of the heat dissipation member (2500). The fourth side of the second frame (2420) may be arranged at the rear end of the third side. The fourth side may be arranged spaced apart from the upper surface of the body extension of the body (2600).
  • FIG. 31 is a perspective view of a circuit board according to an embodiment
  • FIG. 32 is a front view of a circuit board according to an embodiment
  • FIG. 33 is a cross-sectional view taken along line BB’ in FIG. 32.
  • the circuit board (2300) may include an image sensor (IS), and the image sensor (IS) may be fixed inside the sensor module (2000).
  • the circuit board (2300) may be placed inside a shield can (2400).
  • the circuit board (2300) may be in contact with a heat dissipation member (2500).
  • the circuit board (2300) may be electrically connected to another sensor module in the terminal or a processor of the terminal. Through this, the camera actuator described above and the sensor module including the same may transmit and receive various signals in the terminal.
  • the circuit board (2300) may include a circuit board having a wiring pattern that may be electrically connected, such as a rigid printed circuit board (Rigid PCB), a flexible printed circuit board (Flexible PCB), a rigid flexible printed circuit board (Rigid Flexible PCB), etc.
  • a rigid printed circuit board Rigid PCB
  • a flexible printed circuit board Flexible PCB
  • the present invention is not limited to these types.
  • the circuit board (2300) may include a first unit board (2310), a second unit board (2320), an image sensor (IS), a first frame (2330), and a connector (CN).
  • the first unit board (2310) may fix the image sensor (IS).
  • the image sensor (IS) may be arranged on one surface of the first unit board (2310).
  • the first unit board (2310) and the image sensor (IS) may be electrically connected.
  • the first unit board (2310) may include an inner surface (2310S1) and an outer surface (2310S2).
  • the inner surface (2310S1) and the outer surface (2310S2) of the first unit board (2310) may face each other.
  • the image sensor (IS) may be located on the inner surface (2310S1) of the first unit board (2310).
  • the image sensor (IS) may be in contact with the inner surface (2310S1) of the first unit substrate (2310).
  • the first frame (2330) may be positioned on the outer surface (2310S2) of the first unit substrate (2310).
  • the first frame (2330) may be in contact with the outer surface (2310S2) of the first unit substrate (2310).
  • the first unit substrate (2310) may be arranged on the same optical axis as the heat dissipation member (2500).
  • the second unit substrate (2320) may be located on the side of the sensor module (2000).
  • the second unit substrate (2320) may be connected to the first unit substrate (2310).
  • the second unit substrate (2320) may be connected to the connector (CN).
  • the image sensor (IS) may receive light.
  • the image sensor (IS) may receive light and convert the received light into an electrical signal.
  • the image sensor (IS) may be formed of a plurality of pixels in an array form.
  • the image sensor (IS) may be located on the optical axis.
  • the image sensor (IS) may be arranged at the rear end of the second camera actuator.
  • the image sensor (IS) may be arranged on the first unit substrate (2310).
  • the image sensor (IS) may be electrically connected to the first unit substrate (2310).
  • the image sensor (IS) may be arranged on the same optical axis as the first unit substrate (2310) and the heat dissipation member (2500).
  • the sensor unit may include the image sensor (IS) and a base. The base may be in contact with the first unit substrate (2310).
  • the connector (CN) may be connected to the second unit substrate (2320). Through the connector (CN), the sensor module or the circuit board may be electrically connected to an external electronic device.
  • the connector (CN) may be electrically connected to a processor, etc. of an electronic device such as a terminal.
  • a circuit board (2000) may include a first frame (2330) facing an image sensor (IS).
  • the first frame (2330) may be arranged to face the image sensor (IS).
  • the first frame (2330) may be arranged on the same optical axis as the image sensor (IS).
  • the first frame (2330) may be arranged at the bottom of the first unit substrate (2310).
  • the first frame (2330) may be in contact with the heat dissipation member (2500).
  • the first frame (2330) may connect the first unit substrate (2310) and the heat dissipation member (2500).
  • the first frame (2330) may physically support the circuit board (2300) or serve to protect the bottom of the image sensor (IS).
  • the first frame (2330) may include a stiffener.
  • the stiffener of the first frame (2330) may include a stainless steel (SUS) material.
  • the first frame (2330) can be placed on the same optical axis as the first unit substrate (2310) and the heat dissipation member (2500).
  • a first frame (2330) includes a first surface adjacent to an image sensor (IS), a second surface facing the first surface, and a heat dissipation member (2500) can be in contact with the second surface.
  • the first side of the first frame (2330) can be in contact with the first unit substrate (2310).
  • the second side of the first frame (2330) faces the first side and can be in contact with the heat dissipation member (2500).
  • the second side can be in contact with both the first region and the second region of the heat dissipation member (2500).
  • the first side and the second side can be parallel to each other.
  • the second side of the first frame (2330) and the third side of the second frame according to the embodiment can be arranged spaced apart from each other in the optical axis direction.
  • Fig. 34 is a perspective view of a heat dissipation member according to an embodiment
  • Fig. 35 is a bottom view of a heat dissipation member according to an embodiment.
  • a sensor module (2000) may include a heat dissipation member (2500) disposed between a shield can (2400) and a circuit board (2300).
  • the heat dissipation member (2500) can transfer heat generated from the image sensor.
  • the heat dissipation member (2500) can be placed between the circuit board (2300) and the shield can (2400).
  • the heat dissipation member (2500) can be in contact with the body groove of the body (2600).
  • the heat dissipation member (2500) can receive heat generated from the image sensor through the first frame and transfer it to the shield can (2400) and the body (2600).
  • the heat dissipation member (2500) can be placed in a space between the first frame and the body (2600). Accordingly, the heat dissipation member (2500) can act as a heat medium for the body (2600) that acts as a heat sink.
  • the heat dissipation member (2500) facilitates heat dissipation, thereby lowering the internal temperature by about 8° C. to 10° C. when the image sensor of the sensor module (2000) generates heat.
  • the heat dissipation member (2500) can include thermal epoxy.
  • a heat dissipation member (2500) according to an embodiment can be placed in a home (2410 of FIG. 28).
  • the heat dissipation member (2500) can be placed in the groove (2410 of FIG. 28).
  • the heat dissipation member (2500) can be placed so as to penetrate the groove (2410 of FIG. 28) of the shield can (2400) and can be placed in the entire space between the circuit board (2300), the shield can (2400), and the body (2600).
  • the heat dissipation member (2500) can be placed so as to penetrate the groove (2410 of FIG. 28) and can fill the space between the first frame of the circuit board (2300) and the body groove (2610 of FIG. 25) of the body (2600) with the heat dissipation member (2500) which is a solid component.
  • heat generated in the image sensor can be more easily dissipated to the outside than when the space is filled with a gaseous empty space.
  • the heat dissipation member (2500) is arranged to penetrate the groove (2410 of FIG. 28) and fills the space between the first frame (2330 of FIG. 33) and the body groove (2610 of FIG. 25), thereby lowering the temperature by 8 to 10 ⁇ C when the image sensor generates heat.
  • a heat dissipation member (2500) may include a first region (2510) arranged in a home and a second region (2520) arranged between a circuit board (2300) and a shield can (2400).
  • the first region (2510) may be arranged in a groove.
  • the first region (2510) may be a portion penetrating the groove.
  • the optical axis direction thickness of the first region (2510) may be greater than the optical axis direction thickness of the second region (2520).
  • the X-axis direction width of the first region (2510) may be the same as the X-axis direction width of the second region (2520).
  • One surface of the first region (2510) may be in contact with the body (2600).
  • the lower surface of the first region (2510) may be arranged on the body groove of the body (2600).
  • the upper surface of the first region (2510) may be in contact with the first frame of the circuit board (2300).
  • the first region (2510) may be arranged to penetrate the groove of the shield can (2400).
  • the X-axis width of the first region (2510) may be equal to the X-axis width of the body groove of the body (2600).
  • the second region (2520) may be arranged between the circuit board (2300) and the shield can (2400).
  • the second region (2520) may be a portion that is mounted on the second frame of the shield can (2400).
  • One side of the second region (2520) may be in contact with the shield can (2400).
  • a lower surface of the second region (2520) may be in contact with the second frame of the shield can (2400).
  • An upper surface of the second region (2520) may be in contact with the first frame of the circuit board (2300).
  • the X-axis widths of the first region (2510) and the second region (2520) may be smaller than the X-axis width of the image sensor.
  • the step (2530) may be a step structure having a width equal to the height difference in the Z-axis direction between the first region (2510) and the second region (2520).
  • the step (2530) may be in contact with an edge of the second frame of the shield can (2400).
  • the step (2530) may be included in the first region (2510).
  • the step (2530) may be a portion of the first region (2510) that does not contact the second region (2520).
  • the step (2530) may be in contact with a portion of one side of the body extension (2620) of the body (2600).
  • the Z-axis height of the step (2530) may be greater than the Z-axis height of the body extension (2620).
  • the Z-axis height of the first region (2510) may be equal to the sum of the Z-axis heights of the second region (2520) and the step (2530).
  • the area of the surface perpendicular to the optical axis direction of the heat dissipation member (2500) according to the embodiment may be at least 1.5 times the area of the surface perpendicular to the optical axis direction of the image sensor.
  • the heat dissipation member (2500) can be in contact with the circuit board (2300) to release heat generated from the image sensor to the outside.
  • the surface of the heat dissipation member (2500) that is in contact with the first frame of the circuit board (2300) is a surface perpendicular to the optical axis direction, and the heat dissipation effect can be improved depending on the area of the surface perpendicular to the optical axis direction of the heat dissipation member (2500).
  • the area of the surface perpendicular to the axial direction of the heat dissipation member (2500) is 1.5 times or more the area of the surface perpendicular to the optical axis direction of the image sensor, so that the heat generated from the image sensor can be effectively released to the outside.
  • the area of the surface perpendicular to the optical axis direction of the image sensor may be 27.27 mm2, and the area of the surface perpendicular to the optical axis direction of the heat dissipation member (2500) may be 44.92 mm2.
  • the heat dissipation member (2500) may include a step portion.
  • the heat dissipation member (2500) may include a step portion.
  • the width of the step portion may correspond to the difference in height in the optical axis direction between the first region (2510) and the second region (2520).
  • the width of the step portion may be greater than the height in the optical axis direction of the body extension.
  • Fig. 36 is a perspective view of a shield can and a heat dissipation member combined according to an embodiment
  • Fig. 37 is a cross-sectional view viewed in a direction cut along line CC’ in Fig. 36
  • Fig. 38 is a bottom view of a shield can and a heat dissipation member combined according to an embodiment.
  • the heat dissipation member (2500) may be arranged on the inner surface of the shield can (2400).
  • a part of the heat dissipation member (2500) may be arranged on a second frame (2420), which is a part of the lower surface of the shield can (2400).
  • Another part of the heat dissipation member (2500) may be arranged to penetrate a groove (2410) that is arranged parallel to the second frame (2420) in the Y-axis direction.
  • the width of the heat dissipation member (2500) in the X-axis direction may be smaller than the width of the shield can (2400) in the X-axis direction.
  • the heat dissipation member (2500) may be arranged on the same optical axis as the lower surface of the shield can (2400).
  • the heat dissipation member (2500) may be arranged parallel to the lower surface of the shield can (2400) in the Z-axis direction.
  • the Y-axis width of the heat dissipation member (2500) may be wider than the Y-axis width of the side of the shield can (2400).
  • the heat dissipation member (2500) may include a first region (2510) disposed in a home (2410) and a second region (2510) disposed on a second frame (2420).
  • the first region (2510) may be arranged in the groove (2410).
  • the first region (2510) may be arranged to penetrate the groove (2410).
  • the optical axis direction thickness of the first region (2510) may be thicker than the optical axis direction thickness of the second region (2520).
  • the lower surface of the first region (2510) may be located below the lower surface of the second region (2520) or the lower surface of the second frame (2420).
  • the X-axis direction width of the first region (2510) may be the same as the X-axis direction width of the groove (2410).
  • the Y-axis direction width of the first region (2510) may be larger than the Y-axis direction width of the groove (2410).
  • the first region (2510) may be arranged to be spaced apart from the second frame (2420) along the Y-axis direction.
  • the second region (2520) may be placed on the second frame (2420).
  • the Z-axis direction thickness of the second region (2520) may be thinner than the Z-axis direction thickness of the first region (2510).
  • the lower surface of the second region (2520) may contact the upper surface of the second frame (2420).
  • the Y-axis direction width of the second region (2520) may be equal to or narrower than the Y-axis direction width of the second frame (2420).
  • the X-axis direction widths of the first region (2510) and the second region (2520) may be the same.
  • Fig. 39 is a perspective view showing a body, a shield can, and a heat dissipation member combined according to an embodiment
  • Fig. 40 is a cross-sectional view viewed from a direction cut along line EE’ in Fig. 39.
  • the body (2600) may be arranged to surround the shield can (2400) and the heat dissipation member (2500).
  • the body (2600) may be arranged to surround the side surface of the shield can (2400) from the outside.
  • a portion of the side surface of the shield can (2400) may be arranged to protrude from the side surface of the body (2600) along the Y-axis direction.
  • the body (2600) may be in contact with the lower surface of the heat dissipation member (2500).
  • the body (2600) may be in contact with the first region (2510) of the heat dissipation member (2500).
  • the body (2600) and the second frame may be arranged to be spaced apart from each other by a predetermined distance.
  • the body (2600) may include a body groove (2610) overlapping the home and optical axis directions and a body extension (2620) extending to one side.
  • the body groove (2610) may include a shape in which a portion of one side of the body (2600) is dug out.
  • the body groove (2610) may include a shape having a step of a predetermined width from an inner surface of the body.
  • the body groove (2610) may be in contact with a portion of one surface of the heat dissipation member (2500).
  • the body groove (2610) may be in contact with the first region (2510) of the heat dissipation member (2500).
  • the lower surface of the first region (2510) may be arranged on the body groove (2610).
  • the X-axis direction width of the body groove (2610) may be the same as the X-axis direction width of the first region (2510).
  • the Y-axis direction width of the body groove (610) may be larger than the Y-axis direction width of the first region (2510).
  • the body groove (2610) and the first region (2510) may partially overlap in a direction perpendicular to the optical axis.
  • the Z-axis height of the body groove (2610) may be smaller than the Z-axis height of the first region (2510).
  • the body groove (2610) and the first region (2510) may partially overlap in the Z-axis direction.
  • the body groove (2610) may have a rectangular shape in a direction perpendicular to the optical axis.
  • the body extension (2620) may include a portion in which one side of the body (2600) extends to one side.
  • the body extension (2620) may be a part of one side of the body (2600) that is arranged parallel to the body groove (2610) in the Y-axis direction.
  • the body extension (2620) may have a step of a predetermined width from the body groove (2610).
  • the body extension (2620) may partially overlap the second region (2520) in the optical axis direction.
  • the Z-axis direction height of the body extension (2620) may be greater than the Z-axis direction height of the second region (2520).
  • the X-axis direction width of the body extension (2620) may be the same as the X-axis direction width of the second region (2520).
  • the Y-axis direction width of the body extension (2620) may be smaller than the Y-axis direction width of the second region (2520).
  • the body extension (2620) may partially overlap with the first region (2510) in the Z-axis direction.
  • the body extension (2620) may be positioned a predetermined distance apart from the shield can (2400) in the Z-axis direction.
  • the body home (2610) and the body extension (2620) may have a predetermined height difference in the Z-axis direction.
  • the lower surface of the first region of the heat dissipation member (2500) may be positioned lower in the Z-axis direction than the upper surface of the body extension (2620).
  • the lower surface of the first region of the heat dissipation member (2500) may be positioned farther from the image sensor than the upper surface of the body extension (2620).
  • the upper surface of the body extension (2620) may be positioned higher than the lower surface of the heat dissipation member (2500), thereby improving the contact force between the first region of the heat dissipation member (2500) and the body (2600). In addition, overflow may be prevented when the heat dissipation member (2500) is formed.
  • First and second camera actuators (2100, 1200), a lens assembly (2900), and a circuit board (2300) can be placed inside the shield can (2400).
  • Fig. 41 is a perspective view showing a body, a shield can, a heat dissipation member, and a circuit board combined according to an embodiment
  • Fig. 42 is a cross-sectional view viewed in a direction cut along line FF’ in Fig. 41
  • Fig. 43 is a partial enlarged view of Fig. 42.
  • the first region (2510) may have a length (a) in the optical axis direction that is greater than a length (b) in the optical axis direction of the second region (2520).
  • the length (a) in the optical axis direction of the first region (2510) may be greater than the length (b) in the optical axis direction of the second region (2520).
  • the length (a) in the optical axis direction of the first region (2510) is formed to be greater than the length (b) in the optical axis direction of the second region (2520), so that the first region (2510) may be in contact with the body groove (2610).
  • the lower surface of the first region (2510) may be arranged inside the body groove (2610), so that the heat dissipation member (2500) may be arranged in the space between the circuit board (2300) and the body (2600).
  • the heat dissipation member (2500) may fill the space between the circuit board (2300) and the body (2600), thereby facilitating the dissipation of heat generated in the image sensor (IS).
  • the first region (2510) of the heat dissipation member (2500) can be arranged to extend to the inside of the body groove (2610), thereby improving the bonding with the body (2600).
  • the body (2600) and the shield can (2400) can be spaced apart from each other in the optical axis direction.
  • One side of the body (2600) may be spaced apart from one side of the shield can (2400).
  • the body (2600) and the shield can (2400) may be spaced apart in the direction of the optical axis, and a heat dissipation member (2500) may be placed in the spaced apart space.
  • the width (c) of the groove in the optical axis direction of the body groove (2610) may be smaller than the width (d1) of the first distance of the step portion (2530).
  • the width (d1) of the first distance of the step portion (2530) may be larger than the width (c) of the groove in the optical axis direction of the body groove (2610), and a part of the first region (2510) may overlap with the body (2600) along the optical axis direction, and a part of the first region (2510) may not overlap with the body (2600) along the optical axis direction.
  • a part of the body (2600) may protrude from the heat dissipation member (2500) in a direction perpendicular to the optical axis.
  • a part of the second frame (2420) or the second region (2520) may protrude from the body (2600) in a direction perpendicular to the optical axis.
  • the second frame (2420) may overlap with a part of the image sensor (IS) or the first frame (2330) in the direction of the optical axis.
  • a portion of the body extension (2620) may overlap a portion of the first region (2510) along the optical axis direction.
  • the upper surface of the body extension (2620) may be positioned higher along the optical axis direction than the lower surface of the first region (2510).
  • the first region (2510) may be arranged between the first frame (2330) and the body groove (2610).
  • the second region (2520) may be arranged between the first frame (2330) and the second frame (2420).
  • the first frame (2330) may be arranged between the first unit substrate (2310) and the heat dissipation member (2500).
  • the second frame (2420) may be arranged between the second region (2520) and the body extension (2620).
  • the optical axis direction width (a) of the first region (2510) may be equal to the sum of the optical axis direction width (b) of the second region (2520) and the width (d1) of the step portion.
  • Fig. 44 is a perspective view of a mobile terminal to which a sensor module according to an embodiment is applied.
  • the mobile terminal (3000) of the embodiment may include a sensor module (2000), a flash module (2020), and an autofocus device (2010) provided on the rear.
  • the sensor module (2000) may include an image capturing function and an auto-focus function.
  • the sensor module (2000) may include an auto-focus function using an image.
  • the sensor module (2000) processes image frames of still images or moving images obtained by the image sensor in shooting mode or video call mode.
  • the processed image frame can be displayed on a predetermined display unit and stored in memory.
  • a camera (not shown) can also be placed on the front of the mobile terminal body.
  • the sensor module (2000) may include a first sensor module and a second sensor module, and OIS may be implemented together with AF or zoom functions by the first sensor module.
  • AF, zoom, and OIS functions may be implemented by the second sensor module.
  • the first sensor module includes both the first sensor module and the second sensor module described above, miniaturization of the sensor module may be easily achieved through a change in the optical path.
  • the flash module (2020) may include a light-emitting element that emits light inside.
  • the flash module (2020) may be operated by the camera operation of the mobile terminal or by the user's control.
  • the autofocus device (2010) may include one of a package of surface-emitting laser devices as a light-emitting unit.
  • the autofocus device (2010) may include an autofocus function using a laser.
  • the autofocus device (2010) may be mainly used in conditions where the autofocus function using the image of the sensor module (2000) is degraded, such as at a close range of less than 10 m or in a dark environment.
  • the autofocus device (2010) may include a light emitting unit including a vertical cavity surface emitting laser (VCSEL) semiconductor device and a light receiving unit that converts light energy into electrical energy, such as a photodiode.
  • VCSEL vertical cavity surface emitting laser
  • Fig. 45 is a perspective view of a vehicle to which a sensor module according to an embodiment is applied.
  • FIG. 45 is an exterior view of a vehicle equipped with a vehicle driving assistance device to which a sensor module according to an embodiment is applied.
  • the vehicle (700) of the embodiment may be equipped with wheels (23FL, 13FR) that rotate by a power source and a predetermined sensor.
  • the sensor may be a camera sensor (2000), but is not limited thereto.
  • the camera sensor (2000) may be a camera sensor to which a sensor module according to an embodiment is applied.
  • the vehicle (700) of the embodiment can obtain image information through the camera sensor (2000) that captures a front image or a surrounding image, and can use the image information to determine a lane non-identification situation and generate a virtual lane when the lane is not identified.
  • a camera sensor (2000) can capture a front image of a vehicle (700) and a processor (not shown) can analyze an object included in the front image to obtain image information.
  • the processor can detect these objects and include them in the image information. At this time, the processor can obtain distance information from the object detected by the camera sensor (2000) to further supplement the image information.
  • the image information may be information about an object captured in the image.
  • the camera sensor (2000) may include an image sensor and an image processing module.
  • the camera sensor (2000) can process still images or moving images obtained by an image sensor (e.g., CMOS or CCD).
  • an image sensor e.g., CMOS or CCD
  • the image processing module can process still images or videos acquired through an image sensor, extract necessary information, and transmit the extracted information to the processor.
  • the camera sensor (2000) may include a stereo camera to improve the measurement accuracy of the object and secure more information such as the distance between the vehicle (700) and the object, but is not limited thereto.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
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  • Signal Processing (AREA)
  • Electromagnetism (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
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Abstract

Selon un mode de réalisation de la présente invention, l'invention concerne un module de capteur comprenant : un premier actionneur de caméra ; un second actionneur de caméra disposé à l'extrémité arrière du premier actionneur de caméra ; une carte de circuit imprimé comprenant un capteur d'image et disposée à l'extrémité arrière du second actionneur de caméra ; un blindage peut entourer la carte de circuit imprimé ; et un élément de dissipation de chaleur disposé entre le boîtier de blindage et la carte de circuit imprimé. Le blindage peut comprendre une rainure chevauchant le capteur d'image dans la direction de l'axe optique, l'élément de dissipation de chaleur est disposé dans la rainure, et le premier actionneur de caméra, le second actionneur de caméra et la carte de circuit imprimé sont agencés séquentiellement le long de la direction de l'axe optique.
PCT/KR2024/007291 2023-06-09 2024-05-29 Actionneur de caméra, module de capteur et module de caméra le comprenant Ceased WO2024253379A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202480038015.9A CN121312144A (zh) 2023-06-09 2024-05-29 相机致动器、传感器模块和包括相机致动器的相机模块

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR1020230074231A KR20240174687A (ko) 2023-06-09 2023-06-09 카메라 엑추에이터 및 이를 포함하는 카메라 모듈
KR10-2023-0074231 2023-06-09
KR1020230087661A KR20250007786A (ko) 2023-07-06 2023-07-06 센서 모듈
KR10-2023-0087661 2023-07-06

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WO2024253379A1 true WO2024253379A1 (fr) 2024-12-12

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Application Number Title Priority Date Filing Date
PCT/KR2024/007291 Ceased WO2024253379A1 (fr) 2023-06-09 2024-05-29 Actionneur de caméra, module de capteur et module de caméra le comprenant

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CN (1) CN121312144A (fr)
WO (1) WO2024253379A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008211378A (ja) * 2007-02-23 2008-09-11 Auto Network Gijutsu Kenkyusho:Kk 撮像装置
US20130093948A1 (en) * 2011-04-05 2013-04-18 Panasonic Corporation Solid-state imaging apparatus and method of producing a solid- state imaging apparatus
JP2013105016A (ja) * 2011-11-14 2013-05-30 Canon Inc 撮像ユニットおよび撮像装置
KR20180053895A (ko) * 2016-11-14 2018-05-24 엘지이노텍 주식회사 카메라 모듈
KR20220162522A (ko) * 2021-06-01 2022-12-08 엘지이노텍 주식회사 카메라 액추에이터 및 이를 포함하는 카메라 모듈

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008211378A (ja) * 2007-02-23 2008-09-11 Auto Network Gijutsu Kenkyusho:Kk 撮像装置
US20130093948A1 (en) * 2011-04-05 2013-04-18 Panasonic Corporation Solid-state imaging apparatus and method of producing a solid- state imaging apparatus
JP2013105016A (ja) * 2011-11-14 2013-05-30 Canon Inc 撮像ユニットおよび撮像装置
KR20180053895A (ko) * 2016-11-14 2018-05-24 엘지이노텍 주식회사 카메라 모듈
KR20220162522A (ko) * 2021-06-01 2022-12-08 엘지이노텍 주식회사 카메라 액추에이터 및 이를 포함하는 카메라 모듈

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