WO2016137081A1 - Dispositif de stabilisation pour tremblement d'appareil de prise de vues et module d'objectif d'appareil de prise de vues le comprenant - Google Patents

Dispositif de stabilisation pour tremblement d'appareil de prise de vues et module d'objectif d'appareil de prise de vues le comprenant Download PDF

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Publication number
WO2016137081A1
WO2016137081A1 PCT/KR2015/010891 KR2015010891W WO2016137081A1 WO 2016137081 A1 WO2016137081 A1 WO 2016137081A1 KR 2015010891 W KR2015010891 W KR 2015010891W WO 2016137081 A1 WO2016137081 A1 WO 2016137081A1
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WO
WIPO (PCT)
Prior art keywords
coil
movable part
axis
shake correction
elastic body
Prior art date
Application number
PCT/KR2015/010891
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English (en)
Korean (ko)
Inventor
이병철
김영석
박병찬
연제승
정승현
Original Assignee
자화전자 주식회사
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Application filed by 자화전자 주식회사 filed Critical 자화전자 주식회사
Publication of WO2016137081A1 publication Critical patent/WO2016137081A1/fr

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    • 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
    • G02B7/09—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted for automatic 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
    • G03B5/00—Adjustment of optical system relative to image or object surface other than for focusing
    • 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
    • G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/54—Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/68—Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
    • H04N23/682—Vibration or motion blur correction
    • H04N23/685—Vibration or motion blur correction performed by mechanical compensation
    • H04N23/687—Vibration or motion blur correction performed by mechanical compensation by shifting the lens or sensor position
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B2205/00—Adjustment of optical system relative to image or object surface other than for focusing
    • G03B2205/0053—Driving means for the movement of one or more optical element
    • G03B2205/0069—Driving means for the movement of one or more optical element using electromagnetic actuators, e.g. voice coils

Definitions

  • the present invention relates to an apparatus for compensating for camera shake, and in particular, a camera shake compensator for compensating for hand shake caused when a still image is taken by a small camera of a portable mobile device, so as to capture an image without image shake, and including the same. It relates to a camera lens module.
  • 'mobile' portable terminals such as smartphones (hereinafter referred to as 'mobile') are being multi-converged and equipped with music, movies, TVs and games as well as simple telephone functions with the development of the technology.
  • One of the factors driving the development of the furnace is the camera lens module.
  • the camera lens module mounted on the mobile is equipped with various additional functions such as auto focus function (AUTO FOCUS: AF), optical zoom function (OPTICAL ZOOM), etc. in order to meet the recent changes to high pixel and high function centered on user's request. Is changing. Recently, various attempts have been made to implement OPTICAL IMAGE STABILIZER in mobile size.
  • AUTO FOCUS AF
  • OPTICAL ZOOM optical zoom function
  • the image stabilization technology automatically maintains the resolution of the captured image by automatically controlling the focus of the correction lens constituting the camera module to move in a direction corresponding to the hand shake.
  • the camera module applied to the mobile device to implement the image stabilization technology is equipped with an image stabilization actuator.
  • VCM Voice Coil Motor
  • a magnetic circuit is usually composed of a coil and a magnetic body disposed to face each other, and the moving part of the lens mounted plane is moved in a plane with respect to the fixed part by using the electromagnetic force generated by the magnetic circuit to cope with the tremor. Allow calibration to be implemented.
  • the conventional image stabilization device using a suspension wire is a camera shake correction device of Japanese Patent Application Laid-Open No. 2011-065140, an image pickup device with a camera shake correction function of Korea Patent Publication No. 2012-0045333 and Korea Patent Publication
  • a number of techniques have been proposed in various forms, including the image pickup apparatus with image stabilization function of 2012-0047384.
  • both ends of the suspension wire are fixed to the fixed part and the driving part in a state in which the fixed part and the driving part are fixed to a separate dedicated jig apart from each other. Since each soldering (Soldering) had to be connected, there is a disadvantage that the assembly is remarkably inferior and takes a lot of time to assemble.
  • the technical problem to be solved by the present invention is to provide a hand shake correction device capable of stable and accurate hand shake correction drive control in a simple configuration as a spring guides the two-dimensional plane motion of the movable part relative to the drive part. .
  • Another technical problem to be solved by the present invention is to provide a hand shake correction device that can improve durability and product reliability because there is no fear that the part supporting the two-dimensional planar motion of the movable part with respect to the drive part is damaged even in a drop impact. It is.
  • Another technical problem to be solved by the present invention is to provide a hand shake correction device that can improve the assembling of the product in implementing the hand shake correction device to increase the mass production of the product and reduce the cost.
  • a moving part performing a two-dimensional plane motion on the fixing part (MOVER);
  • a hollow elastic body positioned between the fixed part and the movable part to provide a restoring force to the planar motion of the movable part relative to the fixed part;
  • a coil is mounted on the fixed part
  • a lens barrel is mounted on the movable part MOVER
  • a magnetic material is mounted corresponding to the coil
  • the movable part is mounted on the fixed part by the interaction between the coil and the magnetic material. It may be a configuration that performs a dimensional plane motion.
  • the fixing part applied to an aspect of the present invention includes: a flexible substrate on which the coil is mounted and an image sensor is mounted corresponding to the lens barrel; And a base on which the flexible substrate is mounted.
  • the coil may include two X-axis driving coils mounted on an upper surface of the fixing part in a first direction perpendicular to an optical axis of the lens barrel; And two Y-axis driving coils mounted on an upper surface of the fixing part along a second direction perpendicular to the first direction.
  • At least one of the two X-axis drive coils are separated to form a left and right pair based on the center portion of the coil, and the position of the movable part in the center of the X-axis drive coil separated to form the left and right pairs in the first direction
  • a first position detection sensor can be mounted that detects the change.
  • At least one of the two Y-axis drive coils is separated so as to form a left and right pair based on the central portion of the coil, and the positional change of the movable part with respect to the second direction at the center of the Y-axis drive coils configured to form the left and right pairs.
  • a second position detection sensor for detecting may be mounted.
  • the yoke is mounted to the lower portion of each coil corresponding to the magnetic body; may further include.
  • the movable part (MOVER) applied to an aspect of the present invention includes a shake correction carrier having a magnetic mounting surface on which the magnetic body is mounted; The lens barrel is mounted, and the autofocus carrier is accommodated in the shake correction carrier to be retractable along the optical axis direction of the lens barrel.
  • the magnetic body may include two X-axis driving magnets mounted on a circumferential surface of the movable part in a first direction perpendicular to the optical axis of the lens barrel; And two Y-axis driving magnets mounted on the circumferential surface of the movable part in a second direction perpendicular to the first direction.
  • the hollow elastic body may be a coil spring.
  • the present invention is formed on the fixing portion, two or more first supporters which are assembled to be fitted to the inside of the lower portion of the elastic body; And two or more second supports formed on the movable part corresponding to the first support, the second supports being assembled so that a part thereof is fitted inside the upper portion of the elastic body.
  • the ball may be interposed to contact the upper surface of the earth and the lower surface of the second support.
  • the first support can be installed one by one in the corner portion of the fixed portion in a structure that is opposed to each other with a coil between
  • the second support is a structure in which the magnetic body sandwiched between the edge portion of the movable portion Can be installed one by one.
  • a first connection portion electrically communicating with the circuit board is formed on the flexible circuit board on the fixing portion of the first support circumference portion, and the lens barrel of the movable portion MOVER is in the optical axis direction on the second support circumference portion.
  • the second connecting portion is electrically connected to the autofocus coil for generating a driving force to move along the following is formed, the first connecting portion and the second connecting portion may be configured to be electrically connected through the hollow elastic body.
  • the elastic body is preferably composed of a nonmagnetic conductor.
  • a camera lens module comprising a hand shake correction device according to the above aspect.
  • the spring guides the planar motion of the movable part with respect to the drive part, which is simpler in construction than the wiser suspension method, and is advantageous in miniaturization and light weight of the product. There is no risk of damage to the part supporting the planar motion of the movable part, which increases the durability and reliability of the product.
  • the ball is configured to stably support the two-dimensional planar motion of the driving part with respect to the movable part inside the spring, so that a more stable and accurate image stabilization can be achieved, thereby providing a high-quality image with clear image quality without shaking.
  • a satisfactory camera lens module capable of providing data to a user can be implemented.
  • the present invention provides an attraction force between the magnetic body and the yoke mounted on each of the driving part and the movable part.
  • the product can be assembled by a simple operation of placing the driving part on the movable part while the spring is connected by the pull.
  • FIG. 1 is an exploded perspective view of a hand shake correction apparatus according to an embodiment of the present invention.
  • FIG. 2 is a partial exploded perspective view of the image stabilization device according to an embodiment of the present invention.
  • FIG. 3 is a side view of FIG. 2;
  • FIG. 4 is a perspective view of the camera shake correction apparatus according to an embodiment of the present invention.
  • FIG. 5 is a side view of the coupling of the hand shake correction apparatus according to an embodiment of the present invention.
  • FIG. 6 is a cross-sectional view of the camera shake correction device shown in FIG. 4 as viewed from the A-A line direction.
  • FIG. 6 is a cross-sectional view of the camera shake correction device shown in FIG. 4 as viewed from the A-A line direction.
  • FIG. 7 is a cross-sectional view of the camera shake correction device shown in FIG. 4 as viewed from the B-B line direction.
  • FIG. 7 is a cross-sectional view of the camera shake correction device shown in FIG. 4 as viewed from the B-B line direction.
  • FIG 8 is a view showing an operating state associated with the X-axis shake correction performed through the hand shake correction apparatus according to an embodiment of the present invention.
  • FIG. 9 is a view showing an operating state associated with Y-axis shake correction performed through a hand shake correction apparatus according to an embodiment of the present invention.
  • the Z axis is defined as the optical axis direction
  • the X axis (first direction) is orthogonal to the Z axis which is the optical axis direction.
  • the direction and the Y axis (second direction) will be described by defining another image stabilization direction orthogonal to the X axis on the coplanar plane.
  • the image stabilization apparatus of the present invention is applied to a compact camera lens module for a mobile device.
  • the camera's lens module compensates for the hand shake caused when shooting still images, so that a clear picture without image shake can be obtained.
  • a relative displacement is given to the lens or the image sensor in a direction perpendicular to the optical axis, respectively. To compensate for hand shake.
  • FIG. 1 is an exploded perspective view of a hand shake correction apparatus according to an embodiment of the present invention
  • Figure 2 is a partial exploded perspective view of a hand shake correction apparatus according to an embodiment of the present invention
  • 3 is a side view of FIG. 2
  • FIG. 4 is a combined perspective view of a hand shake correction apparatus according to an embodiment of the present invention
  • FIG. 5 is a side view of a hand shake correction device according to an embodiment of the present invention. .
  • the configuration of the hand shake correction apparatus may be largely divided into a fixing part STATOR 1 and a moving part MOVER 2.
  • the movable part 2 performs a two-dimensional planar motion with respect to the fixed part 1 on the fixed part 1, and for this purpose, the coil 10 and the magnetic body are located at positions corresponding to each other in the fixed part 1 and the movable part 2. 20 are mounted, respectively.
  • the movable part 2 moves on the fixed part 1 by two-dimensional plane motion by the interaction between the electric field generated by the coil 10 and the magnetic field of the magnetic body 20.
  • the restoring force for the two-dimensional planar motion of the movable part 2 with respect to the fixed part 1 is determined by the fixed part 1 and the movable part 2. It provides a plurality of hollow elastic body (3) for connecting.
  • the hollow elastic body 3 may preferably be a coil spring having a predetermined length and having a predetermined elasticity with respect to the direction in which it is stretched and compressed, as illustrated in the drawings, and rolling motion inside each hollow elastic body 3.
  • the support part 4 having the ball 42 When the current is applied by the support part 4 having the ball 42, the two-dimensional plane motion of the movable part 2 with respect to the fixed part 1 is stably supported.
  • the fixing part STATOR 1 includes a flexible substrate 12 mounted with an image sensor (not shown) corresponding to the coil 10 and the lens barrel 22 mounted on the movable part 2, and a flexible substrate ( And a base 14 on which 12 is mounted.
  • the flexible substrate 12 extends outside of the camera lens module equipped with the image stabilization apparatus of the present invention, is electrically connected to the main substrate of the mobile device, and applies a current to the coil 10.
  • the coil 10 applied to the embodiment of the present invention may have a first direction perpendicular to the optical axis of the lens barrel 22 on the upper surface of the fixing part 1, specifically, on the upper surface of the flexible substrate 12.
  • Two oppositely mounted X-axis drive coils 10a and two Y-axis drive coils 10b mounted opposite to the upper surface of the fixing part 1 along a second direction perpendicular to the first direction. Can be configured.
  • the fixed portion ( 1) the X-axis shake correction driving unit 15 generating a driving force so that the movable portion 2 can be moved back and forth within a predetermined range allowed by the elastic body 3 along the first direction (X-axis direction).
  • the two Y-axis drive coils 10b also have a fixed portion when correction corresponding to hand shake is performed together with the two Y-axis drive magnets 20b (to be described later) mounted on the movable portion 2 correspondingly, respectively.
  • Y-axis shake correction driving unit 25 for generating a driving force so that the movable portion 2 can move forward and backward within a predetermined range allowed by the elastic body 3 along the second direction (Y-axis direction) with respect to (1).
  • At least one of the two X-axis drive coils (10a) is separated to form a pair symmetrically based on the center portion of the coil, the movable portion (2) for the first direction in the center of the separated X-axis drive coil (10a) ),
  • a first position detection sensor 11a for detecting a position change of the X-axis driving magnet 20a corresponding to the X-axis driving coil 10a may be mounted.
  • At least one of the two Y-axis drive coils 10b is separated to form a pair symmetrically with respect to the center of the coil, and the center of the separated Y-axis drive coil 10b is
  • the second position detection sensor 11b for detecting a position change of the movable part 2 in the second direction, specifically, a position change of the Y-axis drive magnet 20b corresponding to the Y-axis drive coil 10b, is mounted. Can be.
  • the first position detection sensor 11a and the second position detection sensor 11b recognize in real time the position of the movable portion 2 with respect to the fixed portion 1 as a change in the magnetic field of the magnet corresponding to each sensor. By performing feedback control on the first and second shake correction drivers 11 and 21 based on the recognized position value, the shake correction can be accurately and precisely implemented.
  • the fixing part 1 (base 14) under each coil 10 corresponding to the magnetic body 20 (X-axis driving magnet 20a and Y-axis driving magnet 20b which are mentioned later) mounted in the movable part 2 Yoke (16) may be embedded in the case, and in this case, the attraction force acting between the yoke 16 and each of the magnetic bodies 20 together with the elastic restoring force of the elastic body 3 when shaking correction is performed. It acts as a restoring force to return the displaced movable part 2 to its original position.
  • the attractive force acting between the yoke 16 and the magnetic body 20 causes the movable part 2 to be positioned correctly on the fixing part 1.
  • the attraction force returns the movable part 2 to its original position along with the restoring force of the elastic body 3 when a current is applied to the coil 10 to displace the moving part and the movable part 2 is displaced. It will act as a force to make.
  • the lens barrel 22 in which the optical path is formed is mounted in the movable part MOVER 2.
  • the movable part 2 includes a shake correction carrier 24 having a magnetic body mounting surface 240 on which the magnetic body 20 is mounted on a circumferential surface corresponding to the coil 10.
  • the lens barrel 22 is mounted, and the shake correction carrier 24 includes an auto focus carrier (not shown) that is retractably received along the optical axis direction of the lens barrel 22.
  • the lens barrel 22 is equipped with a lens group (not shown) composed of a plurality of lenses, and the shake correction carrier 24 has a diameter such that the auto focus carrier equipped with the lens barrel 22 can be stably housed. A hole having a can be provided. In this case, although not shown, the optical axis lift of the auto focus carrier in the shake correction carrier 24 may be implemented through the auto focus driver.
  • the auto focusing actuator may be a VCM (Voice Coil Motor) method in which a magnetic circuit is formed using a coil and a magnet.
  • VCM Vehicle Coil Motor
  • it may include all known driving means for vertically driving the autofocus carrier such as an ultrasonic motor method using a piezo or a shape memory alloy to perform autofocus.
  • the magnetic body 20 installed on the movable part 2 includes two Xs that are mounted on the circumferential surface of the movable part 2 in a first direction (X axis direction) orthogonal to the optical axis of the lens barrel 22. It may be composed of an axial drive magnet 20a and two Y-axis drive magnets 20b which are mounted on the circumferential surface of the movable part 2 in a second direction (Y-axis direction) perpendicular to the first direction. have.
  • a shield cover (not shown) is coupled to the structure surrounding the movable part 2 to protect components mounted on the movable part 2 and the fixing part 1 from the outside, and simultaneously blocks external electromagnetic waves.
  • the function is such that the electromagnetic force generated between the coil 10 mounted on the fixed part 1 and the magnetic body 20 mounted on the movable part 2 is not affected.
  • the planar movement of the movable part 2 with respect to the fixing part 1 may be stably performed inside each elastic body 3.
  • interval interval corresponding to the diameter of the ball 42.
  • the support 4 preferably includes a first support 40 formed at a position corresponding to each other of the fixed part 1 and the movable part 2, respectively. Interposed between the second support 44 and the first support 40 and the second support 44 to perform a cloud movement during the two-dimensional plane movement of the movable part 2 with respect to the fixing part 1. It includes a ball 42 for stably guiding the planar motion of the movable portion (2).
  • the first support 40 of the fixing part 1 is formed in a cylindrical shape in which at least two protruding upwards from the upper surface of the fixing part 1 in the optical axis direction (Z-axis direction) to the lower inner side of the elastic body 3.
  • the second support 44 is formed in a cylindrical shape protruding downward in the optical axis direction on one side of the movable part 2 so that a part of the second support 44 is fitted into the upper inside of the elastic body 3. Can be assembled.
  • the ball 42 is interposed between the top and bottom of the top and bottom of the first support 40 and the bottom of the second support 44 facing up and down inside the elastic body 3 in the form of point contact. Accordingly, when the product is assembled, the movable part 2 with respect to the fixing part 1 maintains a distance corresponding to the diameter of the ball 42 and is supported by the elastic body 3 in a supported state. Can be combined.
  • the first support 40 has a coil 10 (the X-axis driving coil 10a and the Y-axis driving coil 10b) disposed to face each other, and the edges of the fixing part 1 are arranged so as to face each other.
  • Each of the second support 44 may also be formed at a portion, and the second support 44 may also be formed to face each other with a magnetic body 20 disposed on a slope between them. It can be a configuration.
  • the hollow elastic body 3 serves as a connector for electrically connecting the autofocus driving part of the movable part 2 which generates a driving force for raising and lowering the flexible substrate 12 and the lens barrel 22 in the optical axis direction. do.
  • the substrate 12 and the autofocus driver are electrically connected to each other through the elastic body 3, a current through the substrate 12 may be supplied to the autofocus driver of the movable part 2.
  • connection part 100 is formed, and a second connection part 200 which is electrically connected to the auto focus driving part of the movable part 2 is formed around the second support 44, and the first connection part 100 is formed. Both ends of the elastic body 3 may be connected to the second connection part 200, respectively.
  • the elastic body 3 may be made of a nonmagnetic conductor, that is, a material that is electrically conductive without being magnetic. In other words, it may be a non-magnetic conductor which is not affected by the electric and magnetic fields generated by the coil 10 and the magnetic body 20 mounted nearby while implementing the current between the first connector 100 and the second connector 200.
  • a nonmagnetic conductor that is, a material that is electrically conductive without being magnetic.
  • it may be a non-magnetic conductor which is not affected by the electric and magnetic fields generated by the coil 10 and the magnetic body 20 mounted nearby while implementing the current between the first connector 100 and the second connector 200.
  • copper (Cu), SUS 316, SUS 304, or the like may be adopted as the material.
  • FIG 8 is a view showing an operating state associated with the X-axis shake correction performed through the image stabilization device according to an embodiment of the present invention
  • Figure 9 is performed through a hand shake correction device according to an embodiment of the present invention
  • the movable part 2 maintains an alignment state whose center is exactly coincident with the optical axis without being oriented in either direction with respect to the XY plane on the fixed part 1.
  • the first position detection sensor 11a detects the position change of the X-axis driving magnet 20a in the X-axis shake correction process and recognizes the displacement amount of the movable portion 2 in the fixed portion 1 in real time. Feedback control to the movable part 2 is performed by the control unit based on the recognized position value for the correction of the X-axis direction tremor, which can be accurately and precisely performed.
  • the Y-axis vibration correction is also applied to the Y-axis driving coil 10b and the corresponding Y-axis driving magnet 20b when power is supplied to the Y-axis driving coil 10b by the Y-axis vibration.
  • the force of advancing and moving the movable part 2 in the Y-axis direction is generated by the interaction of), and the movable part 2 moves in the direction corresponding to the Y-axis oscillation as shown in FIG. .
  • the second position detection sensor 11b detects a change in the position of the Y-axis driving magnet 20b to recognize the displacement amount of the movable portion 2 in the fixed portion 1 in real time.
  • the feedback control of the movable part 2 is performed by the control unit based on the recognized position value with respect to the Y-axis vibration, thereby making it possible to accurately and precisely correct the Y-axis vibration.
  • the X-axis shake correction driver 15 and the Y-axis shake correction driver 25 are simultaneously driven so as to correspond to the shake in the corresponding direction to move the movable part 2 in the X-axis and Y-axis directions. Through this, correction corresponding to the shaking acting in combination with the X and Y axis directions is performed.
  • the spring guides the planar motion of the movable part relative to the drive part, which is simpler in construction than the Weisers suspension method and is advantageous in miniaturization and light weight of the product. There is no fear that the part supporting the planar motion of the movable part will not be damaged, which can increase the durability and reliability of the product.
  • the ball is configured to stably support the two-dimensional planar motion of the driving part with respect to the movable part inside the spring, so that a more stable and accurate image stabilization can be achieved, thereby providing a high-quality image with clear image quality without shaking.
  • a satisfactory camera lens module capable of providing data to a user can be implemented.
  • the present invention provides an attraction force between the magnetic body and the yoke mounted on each of the driving part and the movable part.
  • the product can be assembled by a simple operation of placing the driving part on the movable part while the spring is connected by the pull.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Adjustment Of Camera Lenses (AREA)

Abstract

L'invention concerne un dispositif de stabilisation pour le tremblement d'un appareil de prise de vues et un module d'objectif d'appareil de prise de vues le comprenant. Un dispositif de stabilisation pour le tremblement d'un appareil de prise de vues, selon un mode de réalisation de la présente invention, comprend : un stator sur lequel est montée une bobine ; un dispositif de déplacement sur lequel est installé un barillet d'objectif et sur lequel est monté un corps magnétique en correspondance avec la bobine, et qui effectue un mouvement plan à deux dimensions sur le stator au moyen de l'interaction entre la bobine et le corps magnétique ; une pluralité de corps élastiques creux qui relient le stator et le dispositif de déplacement et apporte de la résilience au mouvement plan du dispositif de déplacement par rapport au stator ; et une unité de support qui comprend une boule qui supporte, dans chaque corps résilient, le mouvement plan du dispositif de déplacement par rapport au stator.
PCT/KR2015/010891 2015-02-23 2015-10-15 Dispositif de stabilisation pour tremblement d'appareil de prise de vues et module d'objectif d'appareil de prise de vues le comprenant WO2016137081A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2015-0025343 2015-02-23
KR1020150025343A KR101696172B1 (ko) 2015-02-23 2015-02-23 손 떨림 보정 장치 및 이를 포함하는 카메라 렌즈 모듈

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CN110998430A (zh) * 2017-08-10 2020-04-10 索尼公司 相机抖动校正装置
CN112462530A (zh) * 2020-12-17 2021-03-09 新思考电机有限公司 透镜驱动装置、照相装置和电子设备
CN112804423A (zh) * 2020-12-29 2021-05-14 维沃移动通信有限公司 摄像头模组和电子设备
CN114167662A (zh) * 2020-09-09 2022-03-11 三星电机株式会社 相机模块
CN114326006A (zh) * 2020-09-30 2022-04-12 北京小米移动软件有限公司 镜头模组及移动终端
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