WO2010068048A2 - 손떨림 보정장치를 구비한 카메라 모듈 - Google Patents
손떨림 보정장치를 구비한 카메라 모듈 Download PDFInfo
- Publication number
- WO2010068048A2 WO2010068048A2 PCT/KR2009/007386 KR2009007386W WO2010068048A2 WO 2010068048 A2 WO2010068048 A2 WO 2010068048A2 KR 2009007386 W KR2009007386 W KR 2009007386W WO 2010068048 A2 WO2010068048 A2 WO 2010068048A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- housing
- lens unit
- optical axis
- axis direction
- camera module
- 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
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Classifications
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B5/00—Adjustment of optical system relative to image or object surface other than for focusing
- G03B5/06—Swinging lens about normal to the optical axis
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B30/00—Camera modules comprising integrated lens units and imaging units, specially adapted for being embedded in other devices, e.g. mobile phones or vehicles
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- G—PHYSICS
- 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
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/02—Bodies
-
- 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
- G03B5/02—Lateral adjustment of lens
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/54—Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
-
- 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
- H04N23/67—Focus control based on electronic image sensor signals
-
- 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
-
- 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
- H04N23/681—Motion detection
- H04N23/6812—Motion detection based on additional sensors, e.g. acceleration sensors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/68—Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
- H04N23/682—Vibration or motion blur correction
- H04N23/685—Vibration or motion blur correction performed by mechanical compensation
- H04N23/687—Vibration or motion blur correction performed by mechanical compensation by shifting the lens or sensor position
Definitions
- the present invention relates to a camera module having a camera shake correction device, and more particularly, to implement a camera module having a camera shake correction device for preventing the camera from being blurred due to the hand shake of the user holding the device.
- the present invention relates to a camera module having an image stabilization device that includes a device on the side of the lens to reduce the thickness of the camera and to reduce the amount of current generated when operating the autofocus drive by reducing the weight supported by the autofocus drive. .
- Figure 4 shows a camera module according to the prior art
- the camera module according to the prior art is a light incident window 10, the lower case 20, the lens barrel 30, lens group (31, 32), infrared cut filter 40, the imaging element 50, and the protective glass 60.
- the protective glass 60 As shown in FIG.
- the camera module includes a lens barrel (30, 32) having a light incident window (10) formed by mounting a lens group (31,32), a lens group (31,32) consisting of a plurality of lenses, A lower case 20 for fixing the barrel 30, an infrared cut filter 40 for blocking infrared rays passing through the lens groups 31 and 32, and a lower case 20 and mounted to the lens case 31 and 32.
- the imaging device 50 which converts the optical signal which passed through into into an electrical signal, and the protective glass 60 which protects the imaging device 50 are provided.
- the image pickup device position 53 is fixed, so that the distance of the subject 52 capable of forming an image at the image pickup device position 53 is specified, and this position is the optimum focal subject surface 51. to be.
- the image 54 of the subject is precisely formed at the image pickup device position 53, and the optimum photographing can be performed.
- the camera shake prevention stand may be used, but the camera stand is bulky, heavy, and troublesome to operate, which is inconvenient for the general public to use. Due to this inconvenience, when attempting to shoot the camera without using the camera stand, the camera module is defocused due to the shaking of the user, resulting in deterioration of the captured image quality.
- An object of the present invention is to implement a camera module having a camera shake correction device for preventing the camera from being blurred due to the shake of the user holding the device when using the camera to provide a camera shake correction device on the side of the lens unit to increase the thickness of the camera. It is to provide a camera module having a camera shake correction device for reducing the amount of current consumed for operating the autofocus drive by reducing the weight, the weight supported by the autofocus drive.
- the present invention provides a lens unit having a plurality of lenses for converting the image of the subject to a specific magnification, a housing for accommodating the lens unit so that the lens unit is driven in the optical axis direction, and An autofocus driving unit provided in the lens unit and the housing so that the lens unit is driven in the optical axis direction, a suspension member supporting the housing in parallel with the optical axis direction so that the housing is movable in a direction orthogonal to the optical axis direction, and the suspension member And a box-shaped case accommodating the housing, a circuit board mounted under the case, and a compensation actuator installed in the housing and the case so as to compensate for displacement due to shaking of the housing.
- Camera with image stabilization To provide a module.
- suspension member is characterized in that the four suspension wires supporting the four vertices of the box-shaped housing.
- the apparatus may further include a displacement sensor for detecting a shake displacement of the housing.
- the auto focus drive unit is characterized in that the voice coil, piezo, SMA is provided.
- the compensation actuator is a second coil provided on each of the four side walls of the housing, a second magnet provided on the four side walls of the case facing the second coil and a metal yoke to concentrate the magnetic force of the magnet Characterized in that made.
- a camera module having a camera shake correction device is provided, and a camera module having a camera shake correction device for preventing a camera from being blurred due to a hand shake of a user holding a device when using a camera is a camera shake correction device. It is provided on the side of the lens unit to reduce the thickness of the camera, by reducing the weight of the autofocus driving unit to provide a camera module having a camera shake correction device that can minimize the amount of current consumption for operating the autofocus driving unit can do.
- FIG. 1 is an exploded view of a camera module having a camera shake correction apparatus according to the present invention.
- FIG. 2 is a cross-sectional view of a camera module having a camera shake correction apparatus according to the present invention.
- Figure 3 is a detailed cross-sectional view of the camera module having a camera shake correction apparatus according to the present invention.
- FIG. 4 is a detailed cross-sectional view of a camera module according to the related art.
- FIG. 5 is a diagram illustrating focus adjustment of a camera module according to the related art.
- circuit board 161 image sensor
- the camera module 100 having a camera shake correction apparatus is the lens unit 110, the housing 120, the autofocus drive unit 130, the suspension The member 140, the case 150, the circuit board 160, and the compensation actuator 170 are included.
- the lens unit 110 includes a plurality of lenses for changing an image of a subject at a specific magnification.
- the housing 120 is for accommodating the lens unit 110 so that the lens unit 110 is driven in the optical axis direction, and has an autofocus driver 130 therein.
- the auto focus driver 130 is used to drive the lens unit 110 in the optical axis direction, and is provided inside the housing 120 and may be provided as a voice coil, a piezo, or a shape memory alloy (SMA). have.
- SMA shape memory alloy
- the first coil 131 is wound around the outer circumferential surface of the lens unit 110, and the first magnet 132 is installed in the housing 120 to face the first coil 131.
- the auto focus driver 130 moves the lens unit 110 vertically in the Z direction by an electromagnetic force generated between the electric field caused by the current flowing through the first coil 131 and the magnetic field caused by the first magnet 132. Linear movement in the optical axis direction.
- the suspension member 140 supports the housing 120 side by side in the optical axis direction such that the housing 120 is movable in a direction orthogonal to the optical axis direction.
- the suspension member 140 may be composed of a suspension wire or a leaf spring, and is provided at four vertex portions of the housing 120.
- the suspension member 140 may prevent the inclination of the housing 120 that may occur in the optical axis direction by supporting the housing 120.
- the case 150 is for accommodating the housing 120 and the suspension member 140 supporting the housing 120.
- the case 150 has a hole penetrated by the image sensor 161 on the bottom surface, the suspension member 140 is fixedly installed on the bottom surface, and the cover plate 151 is mounted on the top.
- the circuit board 160 includes an image sensor 161 and is mounted below the case 150.
- the circuit board 160 has an autofocus driver 130 and a compensation actuator 170 in addition to the image sensor 161.
- Various passive elements for driving the are installed.
- the compensation actuator 170 is used to compensate for horizontal shaking in the XZ direction of the housing 120 due to hand shaking.
- the compensation actuator 170 is installed in the housing 120 and the case 150, and the second coil 171 and the second magnet 172. ) And a metal yoke 173.
- the second coil 171 is wound in a rectangular or square shape and is installed on four sidewalls of the housing 120 to flow current.
- the second magnet 172 is installed on the side wall of the case 150 to face the four second coil 171, the magnetic force of the second magnet 172 by the metal yoke 173 is the second coil 171 To be concentrated.
- the compensation actuator 170 is mounted on the side surface of the lens unit 110 and does not affect the thickness of the camera, which is consistent with the trend of recent cameras, which are becoming thinner and lighter. In addition, since it does not affect the weight of the lens unit 110 driven by the autofocus driver 130, it may not affect the amount of current consumed when the lens unit 110 is driven up and down.
- the camera shake correction method of the camera module 100 is as follows.
- a signal is transmitted to the control operation unit and the control operation unit detects the movement.
- the signal is transmitted to the driver, and then the signal is transmitted to the second coil 171 to operate the compensation actuator 170. That is, when the motion of the user holding the photographing device is detected by the displacement sensor 165 while the image of the subject is being photographed, it is transmitted to the control operation unit to focus the lens by moving the lens unit 110 in the XY direction. .
- the housing 120 is always in the reference position due to the offset movement of the compensation actuator 170, and thus is captured by the image sensor 161 through the lens unit 110.
- the image of the subject is always clear.
- Such a structure has an advantage of giving a camera shake correction function directly through the outer portion of the conventional autofocus camera module.
- the support and the guide structure required in the guide or ball structure of the conventional camera module can be omitted, the structure is simplified, easy to assemble and miniaturized.
- the suspension member 140 it is possible to reduce the inclination of the autofocus driving unit 130 that can occur in the optical axis direction.
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Adjustment Of Camera Lenses (AREA)
- Studio Devices (AREA)
Abstract
Description
Claims (5)
- 피사체의 상을 특정한 배율로 변환시키는 다수의 렌즈들을 구비한 렌즈부;상기 렌즈부가 광축방향으로 구동되도록 상기 렌즈부를 수용하는 하우징;상기 렌즈부가 광축방향으로 구동되도록 상기 렌즈부와 상기 하우징에 설치된 자동초점구동부;상기 하우징이 광축방향에 직교하는 방향으로 유동가능하도록 광축방향에 나란히 상기 하우징을 지지하는 서스펜션부재;상기 서스펜션부재가 고정되며 상기 하우징을 수용하는 박스형 케이스;상기 케이스의 하부에 장착되며 이미지센서가 설치된 회로기판; 및상기 하우징의 흔들림에 의한 변위를 보상하도록 상기 하우징과 상기 케이스에 설치되는 보상 액츄에이터;를 포함하는 것을 특징으로 하는 손떨림 보정장치를 구비한 카메라 모듈.
- 청구항 1에 있어서,상기 서스펜션부재는 상기 박스형 하우징의 네 꼭지점을 지지하는 네 개의 서스펜션와이어인 것을 특징으로 하는 손떨림 보정장치를 구비한 카메라 모듈.
- 청구항 1에 있어서,상기 하우징의 흔들림 변위를 감지하는 변위감지센서를 더 포함하는 것을 특징으로 하는 손떨림 보정장치를 구비한 카메라 모듈.
- 청구항 1에 있어서,상기 자동초점구동부는 보이스코일, 피에조, 형상기억합금(SMA)으로 구비되는 것을 특징으로 하는 손떨림 보정장치를 구비한 카메라 모듈.
- 청구항 1에 있어서,상기 보상 액츄에이터는 상기 하우징의 네 개의 측벽에 각각 구비되는 제 2코일, 상기 제 2코일에 마주하게 상기 케이스의 네 개의 측벽에 구비되는 제 2자석 및 상기 자석의 자기력을 집중시키는 금속요크로 이루어진 것을 특징으로 하는 손떨림 보정장치를 구비한 카메라 모듈.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009801446958A CN102209933A (zh) | 2008-12-10 | 2009-12-10 | 具有防抖设备的照相机模块 |
| DE112009002692T DE112009002692T5 (de) | 2008-12-10 | 2009-12-10 | Kameramodul mit Verwackelungsschutzvorrichtung |
| US13/126,417 US20110211821A1 (en) | 2008-12-10 | 2009-12-10 | Camera module with anti-shake device |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020080125090A KR20100066678A (ko) | 2008-12-10 | 2008-12-10 | 손떨림 보정장치를 구비한 카메라 모듈 |
| KR10-2008-0125090 | 2008-12-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO2010068048A2 true WO2010068048A2 (ko) | 2010-06-17 |
| WO2010068048A3 WO2010068048A3 (ko) | 2010-08-05 |
Family
ID=42243226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/KR2009/007386 Ceased WO2010068048A2 (ko) | 2008-12-10 | 2009-12-10 | 손떨림 보정장치를 구비한 카메라 모듈 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20110211821A1 (ko) |
| KR (1) | KR20100066678A (ko) |
| CN (1) | CN102209933A (ko) |
| DE (1) | DE112009002692T5 (ko) |
| WO (1) | WO2010068048A2 (ko) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102375287A (zh) * | 2010-08-26 | 2012-03-14 | 鸿富锦精密工业(深圳)有限公司 | 影像稳定模组及成像装置 |
| CN102445811A (zh) * | 2010-10-04 | 2012-05-09 | 三星电机株式会社 | 具有用于补偿手抖动的功能的图像拍摄装置 |
| CN102466942A (zh) * | 2010-11-03 | 2012-05-23 | 三星电机株式会社 | 具有用于补偿手抖动的功能的图像拍摄装置 |
| CN102654717A (zh) * | 2011-03-02 | 2012-09-05 | 大立光电股份有限公司 | 致动器 |
| CN102739950A (zh) * | 2011-03-30 | 2012-10-17 | 大立光电股份有限公司 | 摄影模块 |
| US20130175885A1 (en) * | 2012-01-10 | 2013-07-11 | Hon Hai Precision Industry Co., Ltd. | Voice coil motor capable of increasing focusing accuracy |
| WO2017003199A1 (ko) * | 2015-06-30 | 2017-01-05 | 엘지이노텍(주) | 렌즈 구동장치, 및 이를 포함하는 카메라 모듈 및 휴대용 디바이스 |
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| CN102572251A (zh) * | 2010-12-07 | 2012-07-11 | 鸿富锦精密工业(深圳)有限公司 | 相机模组 |
| KR101184812B1 (ko) | 2011-03-02 | 2012-09-20 | 삼성전기주식회사 | 손떨림 보정용 서스펜션 와이어 및 이를 포함하는 영상 촬상 장치 |
| KR101246578B1 (ko) * | 2011-08-25 | 2013-03-25 | 주식회사 하이소닉 | 카메라용 손떨림 보정장치 |
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| KR101300353B1 (ko) * | 2011-12-22 | 2013-08-28 | 삼성전기주식회사 | 손떨림 보정장치 |
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| KR101273793B1 (ko) * | 2012-03-20 | 2013-06-11 | 삼성전기주식회사 | 손떨림 보정 기능을 구비한 카메라 모듈 |
| KR101332099B1 (ko) * | 2012-05-09 | 2013-11-21 | 삼성전기주식회사 | 자동 초점 카메라 모듈 |
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-
2009
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- 2009-12-10 CN CN2009801446958A patent/CN102209933A/zh active Pending
- 2009-12-10 US US13/126,417 patent/US20110211821A1/en not_active Abandoned
- 2009-12-10 WO PCT/KR2009/007386 patent/WO2010068048A2/ko not_active Ceased
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| CN102375287A (zh) * | 2010-08-26 | 2012-03-14 | 鸿富锦精密工业(深圳)有限公司 | 影像稳定模组及成像装置 |
| CN102445811A (zh) * | 2010-10-04 | 2012-05-09 | 三星电机株式会社 | 具有用于补偿手抖动的功能的图像拍摄装置 |
| CN104079807A (zh) * | 2010-11-03 | 2014-10-01 | 三星电机株式会社 | 具有用于补偿手抖动的功能的图像拍摄装置 |
| CN102466942A (zh) * | 2010-11-03 | 2012-05-23 | 三星电机株式会社 | 具有用于补偿手抖动的功能的图像拍摄装置 |
| CN102466942B (zh) * | 2010-11-03 | 2014-12-10 | 三星电机株式会社 | 具有用于补偿手抖动的功能的图像拍摄装置 |
| CN102654717A (zh) * | 2011-03-02 | 2012-09-05 | 大立光电股份有限公司 | 致动器 |
| CN102739950A (zh) * | 2011-03-30 | 2012-10-17 | 大立光电股份有限公司 | 摄影模块 |
| CN102739950B (zh) * | 2011-03-30 | 2015-06-10 | 大立光电股份有限公司 | 摄影模块 |
| US20130175885A1 (en) * | 2012-01-10 | 2013-07-11 | Hon Hai Precision Industry Co., Ltd. | Voice coil motor capable of increasing focusing accuracy |
| WO2017003199A1 (ko) * | 2015-06-30 | 2017-01-05 | 엘지이노텍(주) | 렌즈 구동장치, 및 이를 포함하는 카메라 모듈 및 휴대용 디바이스 |
| US10859890B2 (en) | 2015-06-30 | 2020-12-08 | Lg Innotek Co., Ltd. | Lens moving apparatus, and camera module and portable device including same |
| US11662648B2 (en) | 2015-06-30 | 2023-05-30 | Lg Innotek Co., Ltd. | Lens moving apparatus, and camera module and portable device including same |
| US12092949B2 (en) | 2015-06-30 | 2024-09-17 | Lg Innotek Co., Ltd. | Lens moving apparatus, and camera module and portable device including same |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20100066678A (ko) | 2010-06-18 |
| DE112009002692T5 (de) | 2013-05-02 |
| WO2010068048A3 (ko) | 2010-08-05 |
| CN102209933A (zh) | 2011-10-05 |
| US20110211821A1 (en) | 2011-09-01 |
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