WO2015163571A1 - Actionneur piézoélectrique destiné à actionner une lentille, et module d'appareil de prise de vue pour terminal portable utilisant l'actionneur piézoélectrique - Google Patents

Actionneur piézoélectrique destiné à actionner une lentille, et module d'appareil de prise de vue pour terminal portable utilisant l'actionneur piézoélectrique Download PDF

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Publication number
WO2015163571A1
WO2015163571A1 PCT/KR2015/001399 KR2015001399W WO2015163571A1 WO 2015163571 A1 WO2015163571 A1 WO 2015163571A1 KR 2015001399 W KR2015001399 W KR 2015001399W WO 2015163571 A1 WO2015163571 A1 WO 2015163571A1
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WO
WIPO (PCT)
Prior art keywords
lens
piezoelectric element
actuator
piezo actuator
resonator
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/KR2015/001399
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English (en)
Korean (ko)
Inventor
서종식
김민기
정회원
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.)
Hysonic Co Ltd
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Hysonic Co Ltd
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Filing date
Publication date
Application filed by Hysonic Co Ltd filed Critical Hysonic Co Ltd
Publication of WO2015163571A1 publication Critical patent/WO2015163571A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
    • H02N2/02—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing linear motion, e.g. actuators; Linear positioners ; Linear motors
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • 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
    • 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
    • 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

Definitions

  • the present invention is a piezo actuator and a camera module for a portable terminal using the piezo actuator, in particular a piezo actuator for driving a lens that can adjust the focus or the angle of view of the camera using a piezoelectric element and a camera module for a mobile terminal using the piezo actuator It is about.
  • the camera module provided in the portable terminal to implement the camera function is using a lot of VCM actuator.
  • FIG. 1 is a cross-sectional view of a conventional VCM camera module
  • Figure 2 is a cross-sectional view showing a state of use of the conventional camera module.
  • the camera module of the VCM method shown in FIGS. 1 and 2 includes a lens group 500 made up of a plurality of lenses for changing the magnification of the subject or adjusting the focus of the subject, and the lens group 500 mounted in the optical axis direction. It is supported by the lens holder 550, the fixing part 600, and the fixing part 600 for driving to raise the lens holder 550 to be movable in the optical axis direction, and the lens holder 550 is exactly in the optical axis direction.
  • An image of the subject passed through the lens group 500 and the plate spring 650 for guiding the drive, the actuator supported by the lens holder 550 to drive the fixing unit 600 in the optical axis direction, and the lens group 500. It consists of an image sensor 800, a control unit for controlling the actuator and the image sensor 800.
  • the leaf spring 650 constituting the conventional VCM camera module has a narrow width between a portion fixed to the fixing portion 600 and a portion fixed to the lens holder 550, so that deformation in the optical axis direction is easy. It has a shape made.
  • the leaf spring 650 elastically supports the lens holder 550 to flow in the optical axis direction.
  • the leaf spring 650 is fixed to at least four locations of the lens holder 550, and serves as a guide for preventing the lens holder 560 from flowing in a direction orthogonal to the optical axis direction.
  • the actuator the magnet 710 is fixed to the fixing unit 600
  • the lens holder 550 is fixed to the lens holder 550 when receiving the magnetic flux from the magnet 710 when the power is supplied from the control unit in the optical axis direction It consists of a coil 720 for generating a driving force.
  • One pair of magnets 710 and one coil 720 are provided at symmetrical portions.
  • the actuator also has a yoke 730 for circulating the magnetic flux of the magnet 710 efficiently.
  • the fixing part 600 to which the coil 720 is fixed moves in the optical axis direction.
  • the controller raises or lowers the lens group 500 in the optical axis direction so that the image captured by the image sensor 800 becomes clear.
  • the above VCM method is easy to operate when the size of the lens holder is small or light in weight, but when the size of the lens holder is large or heavy, the driving force is difficult to operate.
  • the camera module of the VCM method is not robust, so a lot of defective products are generated when the drop test is performed, and the moving distance of the lens holder is short, which is not suitable for high performance camera module using a high pixel sensor.
  • the present invention has been made in view of the above-described problems, and an object thereof is to provide a piezo actuator and a camera module for a portable terminal using a piezo actuator having excellent driving force for driving a lens, a long driving distance, and excellent durability.
  • a piezo actuator for driving a lens of the present invention includes a circuit board having a terminal portion formed as a piezo actuator for moving a camera lens in an optical axis direction of a lens; A piezoelectric element facing the circuit board; A connector on which one surface contacts the terminal portion and the other surface contacts the piezoelectric element to connect a power source to the piezoelectric element, and maintains contact between the terminal portion and the piezoelectric element while elastically deforming during the behavior of the piezoelectric element; A resonator configured to move the lens by operating by the piezoelectric element; And a support member mounted to the circuit board and to which the resonance unit is coupled.
  • the connector is made of a conductive rubber.
  • the piezo actuator for driving the lens of the present invention the shaft is moved in the optical axis direction of the lens by the resonator; And an elastic part mounted with a lens holder on which the lens is mounted, coupled to the shaft, for pressing the shaft toward the resonance part.
  • the shaft is inserted into both sides of the resonator, and guide grooves are formed to guide the movement of the shaft, and spaced apart grooves are formed at upper and lower portions of the guide groove, respectively.
  • coupling protrusions protrude from upper and lower ends of the resonance part, respectively, and coupling grooves into which the coupling protrusions are inserted are formed in the support member.
  • the camera module for a portable terminal using the piezo actuator of the present invention is a camera module for a portable terminal for controlling the focus and angle of view of the camera by using a piezo actuator for moving the camera lens in the direction of the optical axis of the lens, comprising an image sensor A case; A first actuator positioned on one inner surface of the case and moving the first lens positioned on the image sensor; And a second actuator positioned on the other surface facing the inner surface of the case in which the first actuator is located, and moving the second lens positioned between the image sensor and the first lens.
  • the first actuator and the second actuator each include a piezoelectric element and a resonator unit which is operated by the piezoelectric element to move the first lens and the second lens.
  • the first actuator and the second actuator each have a circuit board having a terminal portion formed thereon, and one side thereof contacts the terminal portion, and the other side thereof contacts the piezoelectric element to connect power to the piezoelectric element. And a connector that elastically deforms during the behavior of the piezoelectric element and maintains contact between the terminal portion and the piezoelectric element.
  • the camera module for a portable terminal using a piezo actuator and a piezo actuator for driving a lens according to the present invention has a high driving force for moving a lens and a long driving distance, and is easy to apply to a high performance camera equipped with a high pixel sensor, Excellent durability compared to actuator.
  • FIG. 1 is a cross-sectional view of a conventional VCM camera module.
  • Figure 2 is a cross-sectional view showing a state of use of the conventional camera module.
  • FIG 3 is a perspective view of a piezo actuator for driving a lens according to an embodiment of the present invention.
  • FIG. 4 is an exploded perspective view of a piezo actuator for driving a lens according to an embodiment of the present invention.
  • FIG. 5 is a cross-sectional view taken along line A-A of FIG.
  • FIG. 6 is an operating state diagram showing the one-way stretching state of the resonator according to the embodiment of the present invention.
  • FIG. 7 is an operating state diagram showing an operating state of the resonator unit according to an embodiment of the present invention.
  • FIG. 8 is a perspective view of a camera module for a portable terminal using a piezo actuator according to an embodiment of the present invention.
  • FIG. 9 is a side view of a camera module for a portable terminal using a piezo actuator according to an embodiment of the present invention.
  • the present invention is a camera actuator for moving the camera lens in the optical axis direction of the lens and a camera module for a portable terminal using such a piezo actuator, it is possible to adjust the focus of the camera or to adjust the angle of view.
  • FIG. 3 is a perspective view of a piezo actuator for driving a lens according to an embodiment of the present invention
  • FIG. 4 is an exploded perspective view of a piezo actuator except for a lens and a lens holder
  • FIG. 5 is a lens for driving a lens according to an embodiment of the present invention. Longitudinal cross-sectional view of a piezo actuator.
  • Piezo actuator for driving the lens of the present invention, as shown in Figure 3 to 7, the circuit board 20, the support member 30, the resonator 40, the piezoelectric element 50, the connector 60, It consists of a shaft 70 and an elastic portion 80.
  • the circuit board 20 is mounted on the base 10, and two terminal parts 21 are formed on one surface of the circuit board 20 in order to connect power to the piezoelectric element 50. .
  • ground terminals 22 are formed on one surface of the circuit board 20 at upper and lower portions of the terminal portion 21, respectively.
  • a fixing protrusion 11 protrudes from one surface of the base 10 on which the circuit board 20 is mounted, and a fixing groove 23 into which the fixing protrusion 11 is inserted is formed in the circuit board 20.
  • Two fixing protrusions 11 are formed in the base 10 in a diagonal direction, and the fixing protrusions 11 determine a position at which the circuit board 20 and the supporting member 30 are coupled to the base 10.
  • the base 10 may be a part of a case forming an external shape of a portable terminal or a camera module for fixing the actuator.
  • the support member 30 is mounted on the circuit board 20 and the resonator 40 is coupled.
  • the support member 30 extends from the upper end and the lower end of the coupling part 30a and the coupling part 30a which are bent to surround the resonator part 40. It consists of a mounting portion 30b to be mounted.
  • the support member 30 is mounted to the circuit board 20 by the mounting portion 30b, and the resonator portion 40 is formed between the circuit board 20 and the support member 30 by the bent coupling portion 30a.
  • a space is formed which can be arranged.
  • coupling grooves 31 are formed at upper and lower portions of the coupling portion 30a to couple the resonance portion 40 to the coupling portion 30a.
  • a fixing groove 32 into which the fixing protrusion 11 is inserted is formed in the mounting portion 30b, and the mounting portion 30b contacts the ground terminal 22 of the circuit board 20.
  • the resonator 40 is operated by the piezoelectric element 50 to move the lens (not shown).
  • Coupling protrusions 41 are formed to protrude from upper and lower ends of the resonator 40, respectively, and the coupling protrusion 41 is inserted into the coupling groove 31 so that the resonator 40 is coupled to the support member 30.
  • guide grooves 42 in which the shafts 70 are inserted are formed at both sides of the resonator 40, and spaced grooves 43 are formed in upper and lower portions of the guide grooves 42, respectively.
  • the resonator 40 lifts the shaft 70 disposed in the guide groove 42 while being deformed by the piezoelectric element 50.
  • the resonator 40 which operates to lift and lower the shaft 70, is formed in the upper and lower portions of the guide groove 42 by spaced apart grooves 43, thereby being stretched in the vertical direction and the left and right directions by the piezoelectric element 50. It is easy and can move the shaft 70 smoothly.
  • the piezoelectric element 50 includes a first piezoelectric element 50a and a second piezoelectric element 50b, and the first piezoelectric element 50a and the second piezoelectric element 50b are mounted on one surface of the resonator unit 40. do.
  • the piezoelectric element 50 is connected to the terminal portion 21 through the connector 60, and is connected to the ground terminal 22 through the resonator portion 40 and the support member 30, and when the voltage is applied to the resonator while expanding and resonating The shape of the part 40 is modified.
  • the connector 60 is formed in a thin plate shape, and is disposed between the circuit board 20 and the piezoelectric element 50 as shown in FIG. 5, and one surface of the connector 60 contacts the terminal portion 21 and the other surface of the piezoelectric element ( 50) to connect the power to the piezoelectric element (50).
  • the connector 60 is made of a conductive rubber to maintain contact between the terminal portion 21 and the piezoelectric element 50 while elastically deforming when the piezoelectric element 50 is stretched and contracted.
  • the shaft 70 is formed in a cylindrical shape, and moves in the optical axis direction of the lens by the resonator 40.
  • the shaft 70 is inserted into the guide grooves 42 formed on both sides of the resonator 40, and moves upward and downward by the resonator 40.
  • the elastic unit 80 is mounted with a lens holder 81, which is mounted with a lens (not shown), and is coupled to the shaft 70 to move up and down together with the shaft 70.
  • the elastic part 80 is made of an elastic material and presses the shafts 70 disposed on both sides of the resonator part 40 in the direction of the resonator part 40, respectively, and the shaft 70 is pressed into the guide groove 42. Close contact
  • the elastic portion 80 is bent to surround the support member 30, and is spaced apart from the support member 30.
  • FIGS. 6 (a) and 6 (b) are operation state diagrams of the resonator operating in accordance with the first resonant frequency
  • FIGS. 6 (c) and 6 (d) show the motion states of the resonator operated in accordance with the second resonant frequency
  • 7 is an operation state diagram
  • FIG. 7 is an operation state diagram of a side portion of the resonator that performs an elliptical displacement motion according to an appropriate frequency between the first resonance frequency and the second resonance frequency.
  • the first piezoelectric element 50a and the second piezoelectric element 50b are vertically mounted on one surface of the resonator 40, and the first piezoelectric element 50a and the second piezoelectric element 50b are respectively connected to the connector 60. It is connected to the terminal portion 21 by the ().
  • the resonator 40 is coupled to the support member 30, and the support member 30 is mounted on the circuit board 20 to contact the ground terminal 22.
  • the ground terminal 22 is connected to the first piezoelectric element 50a and the second piezoelectric element 50b through the support member 30 and the resonator 40.
  • An alternating contact voltage having a phase difference of 90 ° is applied to the first piezoelectric element 50a and the second piezoelectric element 50b.
  • the frequency of the alternating voltage applied is an appropriate frequency between the first resonant frequency and the second resonant frequency of the resonator unit 40.
  • the first piezoelectric element 50a and the second piezoelectric element 50b are stretched and contracted, respectively.
  • the lens holder to which the lens is mounted by moving the shaft 70 inserted into the guide groove 42 in the vertical direction while the resonator 40 to which the 50a and the second piezoelectric elements 50b are mounted operates. Move 81 in the direction of the optical axis of the lens.
  • the resonator 40 is deformed while being stretched in the optical axis direction, that is, the vertical direction of the lens by the first resonant frequency.
  • the coupling protrusion 41 is formed even when the shape is deformed by the first resonance frequency.
  • the left and right central parts are not deformed, and the side portions in which the guide grooves 42 are formed are deformed in the vertical direction.
  • the resonator 40 is expanded and contracted in the left and right directions of the resonator 40 by the second resonant frequency.
  • the resonator 40 when an alternating voltage of an appropriate frequency between the first resonant frequency and the second resonant frequency is applied to the first piezoelectric element 50a and the second piezoelectric element 50b, the resonator 40 as shown in FIG. While the up and down direction vibration and the left and right direction vibration occurs at the same time the side portion of the resonator portion 40, the guide groove 42 is formed is an elliptical displacement movement.
  • FIG. 7 shows any one of the side portions of the resonator portion 40 and shows that the side portions of the resonator portion perform an elliptical displacement movement.
  • the shaft 70 inserted into the guide groove 42 moves in the vertical direction while the lens is moved up and down.
  • the attached lens holder 81 is moved in the optical axis direction.
  • the separation groove 43 is formed on the upper and lower portions of the guide groove 42 to facilitate the deformation of the resonator 40, the shaft 70 can be moved smoothly.
  • the separation groove 43 is not formed in the upper and lower portions of the guide groove 42, the upper and lower portions of the resonator 40 extend left and right to contact the shaft 70 to move the shaft 70. There is a problem that can interfere, and thus the position of the lens can not be precisely controlled.
  • the separation groove 43 is formed in the resonator 40 to facilitate the deformation of the resonator 40 and the movement of the shaft 70 to control the position of the lens.
  • two piezoelectric elements 50 are mounted on one surface of the resonator 40 to expand and contract each of them, thereby deforming the shape of the resonator 40 so that a side portion of the resonator 40 is provided.
  • This elliptical displacement movement makes it easy to apply to a high performance camera equipped with a high pixel sensor because of a large driving force and a long driving distance for moving the lens, and excellent durability compared to an actuator of a VCM method.
  • the following describes a camera module for a portable terminal using a piezo actuator according to an embodiment of the present invention.
  • FIG. 8 is a perspective view of a camera module for a portable terminal using a piezo actuator according to an embodiment of the present invention, the first actuator and the second actuator located inside the case is indicated by a dotted line.
  • FIG. 9 is a side view for showing the internal structure of a camera module for a portable terminal using a piezo actuator according to an embodiment of the present invention.
  • the camera module for a portable terminal using the piezo actuator of the present invention includes a case 110, a first actuator 120, and a second actuator 130.
  • the case 110 includes a base 111 and a cover 112, and the base 111 (the image sensor 113 is provided).
  • the first actuator 120 is positioned on one surface of the case 110 and moves the first lens holder 121 positioned on the image sensor 113 in the optical axis direction.
  • the second actuator 130 is located on the other surface facing the inner surface of the case 110 in which the first actuator 120 is located, and the second actuator 130 is located between the image sensor 113 and the first lens holder 121.
  • the lens holder 131 is moved in the optical axis direction.
  • the first actuator 120 and the second actuator 130 may include a circuit board, a support member 30, a resonator 40, a piezoelectric element 50, a connector 60, a shaft 70, and elasticity. It is the same as the piezo actuator which consists of the part 80, and includes the lens holder in which the lens is mounted.
  • the first actuator 120 has a circuit board 122 protruding upward from the base 111 so as to be adjacent to the inner left side of the cover 112, and the second actuator. 130, the circuit board 132 protrudes upward from the base 111 and is positioned adjacent to the inner right side of the cover 112.
  • first actuator 120 and the second actuator 130 are located on opposite surfaces within the case 110 for smooth movement and efficient space utilization, but are not necessarily located at opposite positions. In some cases, the relative positions of the first actuator 120 and the second actuator 130 may be changed.
  • the support member, the resonator portion, the piezoelectric element, the connector, the shaft, and the elastic portion are the same as those of the above-described piezo actuator.
  • One of the first actuator 120 and the second actuator 130 is an actuator for adjusting the focus of the camera, and the other is an actuator capable of performing a zoom function by adjusting the angle of view of the camera.
  • the camera module for a portable terminal using the piezo actuator of the present invention can adjust the focus and angle of view of the camera.
  • the piezo actuator for driving the lens of the present invention and the camera module for a portable terminal using the piezo actuator are not limited to the above-described embodiments, and may be variously modified within the scope of the technical idea of the present invention.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
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Abstract

La présente invention porte sur un actionneur piézoélectrique et un module d'appareil de prise de vue pour terminal portable utilisant l'actionneur piézoélectrique, et plus particulièrement sur un actionneur piézoélectrique destiné à actionner une lentille permettant de régler la mise au point ou l'angle de prise de vue d'un appareil de prise de vue au moyen d'un élément piézoélectrique, et un module d'appareil de prise de vue pour terminal portable utilisant l'actionneur piézoélectrique. L'actionneur piézoélectrique destiné à actionner une lentille selon la présente invention déplace une lentille d'appareil de prise de vue dans la direction de l'axe optique de la lentille, et comprend : une carte de circuit imprimé sur laquelle est formée une partie borne ; un élément piézoélectrique qui fait face à la carte de circuit imprimé ; un connecteur dont une surface est en contact avec la partie borne et dont l'autre surface est en contact avec l'élément piézoélectrique, de manière qu'une source d'alimentation soit connectée à l'élément piézoélectrique, le connecteur se déformant élastiquement lors d'un mouvement de l'élément piézoélectrique de manière à maintenir le contact entre la partie borne et l'élément piézoélectrique ; une partie résonnante qui est actionnée par l'élément piézoélectrique et déplace la lentille ; et un élément support qui est monté sur la carte de circuit imprimé et à laquelle la partie résonance est couplée.
PCT/KR2015/001399 2014-04-24 2015-02-12 Actionneur piézoélectrique destiné à actionner une lentille, et module d'appareil de prise de vue pour terminal portable utilisant l'actionneur piézoélectrique Ceased WO2015163571A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2014-0049128 2014-04-24
KR1020140049128A KR101624856B1 (ko) 2014-04-24 2014-04-24 렌즈 구동을 위한 피에조 액추에이터 및 피에조 액추에이터를 이용한 휴대단말기용 카메라 모듈

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WO2015163571A1 true WO2015163571A1 (fr) 2015-10-29

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Cited By (4)

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WO2019105230A1 (fr) * 2017-11-30 2019-06-06 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Ensemble caméra et appareil électronique
CN113242376A (zh) * 2021-06-18 2021-08-10 维沃移动通信有限公司 摄像模组和电子设备
WO2022039548A1 (fr) * 2020-08-20 2022-02-24 엘지이노텍 주식회사 Actionneur de caméra
CN118826535A (zh) * 2024-08-23 2024-10-22 立讯智造科技(常熟)有限公司 压电致动器

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KR20180068228A (ko) 2016-12-13 2018-06-21 삼성전자주식회사 위치 조정 유닛 및 이를 포함하는 마스크리스 노광 장치
KR102331696B1 (ko) 2019-09-10 2021-11-26 자화전자(주) 카메라 액추에이터 및 이를 포함하는 소형 카메라
JP2023032341A (ja) 2021-08-26 2023-03-09 ミツミ電機株式会社 光学素子駆動装置、カメラモジュール及びカメラ搭載装置

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Cited By (8)

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Publication number Priority date Publication date Assignee Title
WO2019105230A1 (fr) * 2017-11-30 2019-06-06 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Ensemble caméra et appareil électronique
US10698454B2 (en) 2017-11-30 2020-06-30 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Camera assembly, electronic apparatus, and mobile terminal
WO2022039548A1 (fr) * 2020-08-20 2022-02-24 엘지이노텍 주식회사 Actionneur de caméra
CN116507971A (zh) * 2020-08-20 2023-07-28 Lg伊诺特有限公司 相机致动器
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CN113242376A (zh) * 2021-06-18 2021-08-10 维沃移动通信有限公司 摄像模组和电子设备
WO2022262697A1 (fr) * 2021-06-18 2022-12-22 维沃移动通信有限公司 Module de photographie et dispositif électronique
CN118826535A (zh) * 2024-08-23 2024-10-22 立讯智造科技(常熟)有限公司 压电致动器

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