JP2020505637A - 液体レンズの駆動電圧印加方法、カメラモジュール及びこのモジュールを含む光学機器 - Google Patents
液体レンズの駆動電圧印加方法、カメラモジュール及びこのモジュールを含む光学機器 Download PDFInfo
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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
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/004—Optical devices or arrangements for the control of light using movable or deformable optical elements based on a displacement or a deformation of a fluid
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- G02B3/00—Simple or compound lenses
- G02B3/12—Fluid-filled or evacuated lenses
- G02B3/14—Fluid-filled or evacuated lenses of variable focal length
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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
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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
- G03B17/12—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
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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
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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
- H04N23/60—Control of cameras or camera modules
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/64—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image
- G02B27/646—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image compensating for small deviations, e.g. due to vibration or shake
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- Mechanical Light Control Or Optical Switches (AREA)
- Automatic Focus Adjustment (AREA)
- Adjustment Of Camera Lenses (AREA)
- Studio Devices (AREA)
Abstract
Description
Vk=Vi+dv*k
V’k=Vi+dv/4*k
単位サイクルでの平均駆動電圧=第1電圧+(既設定の単位駆動電圧*Y)/X
単位サイクルでの平均駆動電圧=(第1電圧*(x−y)+第2電圧*y)/x
単位サイクルでの平均駆動電圧=(第1電圧*(X−Y)+第2電圧*Y)/X
Claims (10)
- 伝導性液体と非伝導性液体を収容するキャビティが形成された第1プレートと、
前記第1プレートに配置され、前記伝導性液体と前記非伝導性液体間の界面を変化させるように外部電源と電気的に連結された電極部と、
前記電極部に配置され、前記非伝導性液体の接触を遮断する絶縁部と、
前記電極部に印加される電圧を制御する制御部とを含み、
前記電極部は、
電磁気的に相互作用して前記伝導性液体と前記非伝導性液体間の界面を変化させる第1電極及び第2電極を含み、
前記第1電極は、
光軸を中心に時計方向に沿って順次配置される複数の電極セクターを含み、
前記制御部は前記複数の電極セクターに対応する複数の電極セクターと共通電極対である駆動電極に印加される電圧を時計方向又は反時計方向にローテートさせるように制御する、カメラモジュール。 - 前記制御部は、前記複数の駆動電極の少なくとも一つの駆動電極に第1電圧を印加し、残りの駆動電極に第1電圧と大きさが違う第2電圧を印加する、請求項1に記載のカメラモジュール。
- キャビティ(cavity)に収容されて境界面を成す伝導性液体及び非伝導性液体と、
前記境界面を制御するための第1〜第n(nは2以上の整数)駆動電極とを含み、
前記第1〜第n駆動電極のそれぞれに印加される第1〜第n駆動電圧は前記n個のサブサイクルを含むサイクル単位で制御され、
前記n個のサブサイクルのそれぞれで前記第1〜第n駆動電圧の少なくとも一つの駆動電圧は第1電圧で、m(mは1以上n−1以下の整数)個の駆動電圧は第2電圧でそれぞれ印加され、前記第2電圧で印加されるm個の駆動電圧はローテートされる、カメラモジュール。 - 前記第2電圧は前記第1電圧と前記液体レンズに駆動電圧を提供する電圧ドライバーの単位電圧を合算した電圧である、請求項3に記載のカメラモジュール。
- 前記第1〜第n駆動電圧のいずれか一つの駆動電圧は前記m個のサブサイクルで前記第2電圧で印加される、請求項3に記載のカメラモジュール。
- 前記n個のサブサイクルの中で隣接したサブサイクルで前記第1〜第n駆動電圧の少なくとも一つの駆動電圧は変更される、請求項3に記載のカメラモジュール。
- 前記n個のサブサイクルのそれぞれで印加された前記第1〜第n駆動電圧の総和は一定に維持される、請求項3に記載のカメラモジュール。
- 第1〜第n(nは2以上の整数)駆動電極のそれぞれに第1電圧を印加する段階と、
前記第1〜第n駆動電極の中でm(mは1以上n−1以下の整数)個の駆動電極に第2電圧を印加し、残りのn−m個の駆動電極には第1電圧を印加する段階と、
前記第1〜第n駆動電極のそれぞれに前記第2電圧を印加する段階とを含み、
前記第1〜第n駆動電極の中でm個の駆動電極に前記第2電圧を印加し、残りのn−m個の駆動電極には第1電圧を印加する段階は、前記第2電圧で印加されるm個の駆動電圧をローテートさせる段階を含む、液体レンズの駆動電圧印加方法。 - 前記第2電圧は前記第1電圧と前記液体レンズに駆動電圧を提供する電圧ドライバーの単位電圧を合算した電圧である、請求項8に記載の液体レンズの駆動電圧印加方法。
- 前記第1〜第n駆動電圧の中でm個の駆動電圧を前記第2電圧で印加する段階は、前記n個のサブサイクルから構成され、
前記n個のサブサイクルの中で隣接したサブサイクルで前記第1〜第n駆動電圧の少なくとも一つの駆動電圧は変更される、請求項8に記載の液体レンズの駆動電圧印加方法。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020170006224A KR20180083666A (ko) | 2017-01-13 | 2017-01-13 | 액체 렌즈의 구동 전압 인가 방법, 액체 렌즈, 카메라 모듈 및 광학 기기 |
KR10-2017-0006224 | 2017-01-13 | ||
KR10-2017-0046984 | 2017-04-11 | ||
KR1020170046984A KR102362733B1 (ko) | 2017-04-11 | 2017-04-11 | 액체 렌즈, 카메라 모듈 및 광학 기기 |
PCT/KR2018/000603 WO2018131925A1 (ko) | 2017-01-13 | 2018-01-12 | 액체 렌즈의 구동 전압 인가 방법, 액체 렌즈, 카메라 모듈 및 광학 기기 |
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JP2020505637A true JP2020505637A (ja) | 2020-02-20 |
JP7146774B2 JP7146774B2 (ja) | 2022-10-04 |
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US (1) | US11226541B2 (ja) |
EP (1) | EP3570102B1 (ja) |
JP (1) | JP7146774B2 (ja) |
CN (1) | CN110178080B (ja) |
WO (1) | WO2018131925A1 (ja) |
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KR102626082B1 (ko) | 2017-04-05 | 2024-01-18 | 코닝 인코포레이티드 | 액체 렌즈 제어 시스템 및 방법 |
KR20210007408A (ko) * | 2019-07-11 | 2021-01-20 | 엘지이노텍 주식회사 | 렌즈 곡률 가변 장치 |
US11675182B2 (en) | 2019-11-22 | 2023-06-13 | Corning Incorporated | Liquid lenses with shock protection |
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- 2018-01-12 CN CN201880006870.6A patent/CN110178080B/zh active Active
- 2018-01-12 WO PCT/KR2018/000603 patent/WO2018131925A1/ko unknown
- 2018-01-12 US US16/477,667 patent/US11226541B2/en active Active
- 2018-01-12 EP EP18738775.8A patent/EP3570102B1/en active Active
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CN110178080B (zh) | 2022-08-12 |
EP3570102B1 (en) | 2023-09-06 |
EP3570102A4 (en) | 2020-08-26 |
WO2018131925A1 (ko) | 2018-07-19 |
CN110178080A (zh) | 2019-08-27 |
US11226541B2 (en) | 2022-01-18 |
US20190361322A1 (en) | 2019-11-28 |
EP3570102A1 (en) | 2019-11-20 |
JP7146774B2 (ja) | 2022-10-04 |
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