GB2427283A - Variable focal length lens - Google Patents

Variable focal length lens Download PDF

Info

Publication number
GB2427283A
GB2427283A GB0619852A GB0619852A GB2427283A GB 2427283 A GB2427283 A GB 2427283A GB 0619852 A GB0619852 A GB 0619852A GB 0619852 A GB0619852 A GB 0619852A GB 2427283 A GB2427283 A GB 2427283A
Authority
GB
United Kingdom
Prior art keywords
focal length
variable focal
lens
length lens
interface
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.)
Granted
Application number
GB0619852A
Other versions
GB2427283B (en
GB0619852D0 (en
Inventor
Mark Richard Shepherd
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.)
1 Ltd
Original Assignee
1 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
Application filed by 1 Ltd filed Critical 1 Ltd
Publication of GB0619852D0 publication Critical patent/GB0619852D0/en
Publication of GB2427283A publication Critical patent/GB2427283A/en
Application granted granted Critical
Publication of GB2427283B publication Critical patent/GB2427283B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/12—Fluid-filled or evacuated lenses
    • G02B3/14—Fluid-filled or evacuated lenses of variable focal length
    • 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
    • G02B26/005—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 based on electrowetting

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)

Abstract

A variable focal length lens, comprises a chamber arrangement containing two transparent liquids adjacent one another with an interface therebetween, the chamber arrangement allowing light to pass along an optical axis through the transparent liquids and across the interface, the lens focusing the passing light. A piezoelectric actuator is arranged, on activation, to change the pressure of one of the liquids so that the interface moves, for example by changing shape, to change the focal length of the lens.

Description

GB 2427283 A continuation (74) Agent and/or Address for Service: J A Kemp
& Co. 14 South Square, Gray's Inn, LONDON, WC1R 5JJ, United Kingdom
GB0619852A 2004-04-01 2005-04-01 Variable focal length lens Expired - Fee Related GB2427283B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0407414.2A GB0407414D0 (en) 2004-04-01 2004-04-01 Variable focal length lens
PCT/GB2005/001274 WO2005096028A1 (en) 2004-04-01 2005-04-01 Varian e focal length lens

Publications (3)

Publication Number Publication Date
GB0619852D0 GB0619852D0 (en) 2006-11-15
GB2427283A true GB2427283A (en) 2006-12-20
GB2427283B GB2427283B (en) 2007-11-28

Family

ID=32247674

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB0407414.2A Ceased GB0407414D0 (en) 2004-04-01 2004-04-01 Variable focal length lens
GB0619852A Expired - Fee Related GB2427283B (en) 2004-04-01 2005-04-01 Variable focal length lens

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB0407414.2A Ceased GB0407414D0 (en) 2004-04-01 2004-04-01 Variable focal length lens

Country Status (3)

Country Link
US (1) US20080259463A1 (en)
GB (2) GB0407414D0 (en)
WO (1) WO2005096028A1 (en)

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US7646544B2 (en) * 2005-05-14 2010-01-12 Batchko Robert G Fluidic optical devices
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FR2878338B1 (en) * 2004-11-24 2007-03-02 Varioptic Sa VARIABLE FOCAL LENS MOUNT
US20090116359A1 (en) * 2005-03-24 2009-05-07 Koninklijke Philips Electronics, N.V. Optical scanning device
US8064142B2 (en) 2005-05-14 2011-11-22 Holochip Corporation Fluidic lens with reduced optical aberration
US7697214B2 (en) 2005-05-14 2010-04-13 Holochip Corporation Fluidic lens with manually-adjustable focus
US7948683B2 (en) * 2006-05-14 2011-05-24 Holochip Corporation Fluidic lens with manually-adjustable focus
FR2887638B1 (en) * 2005-06-23 2007-08-31 Varioptic Sa VARIABLE FOCAL LENS WITH REDUCED INTERNAL PRESSURE VARIATION
TW200730881A (en) * 2005-12-16 2007-08-16 Koninkl Philips Electronics Nv Piezoelectric variable focus fluid lens and method of focusing
US7791814B2 (en) * 2006-02-01 2010-09-07 Varioptic Optical electrowetting device
US7554743B2 (en) * 2006-05-30 2009-06-30 Wisconsin Alumni Research Foundation Variable-focus lens assembly
US8137315B2 (en) 2006-07-05 2012-03-20 Nanyang Technological University Self-contained pump
EP2054742A1 (en) 2006-08-15 2009-05-06 Koninklijke Philips Electronics N.V. Variable focus lens
GB0706748D0 (en) * 2007-04-05 2007-05-16 Large Timothy A Electronic fluid displacement mechanism
EP2034338A1 (en) 2007-08-11 2009-03-11 ETH Zurich Liquid Lens System
GB0806561D0 (en) * 2008-04-10 2008-05-14 Adlens Ltd Variable focus lens and spectacles
WO2010015093A1 (en) 2008-08-08 2010-02-11 Optotune Ag Electroactive optical device
US8659835B2 (en) * 2009-03-13 2014-02-25 Optotune Ag Lens systems and method
US8699141B2 (en) * 2009-03-13 2014-04-15 Knowles Electronics, Llc Lens assembly apparatus and method
US9164202B2 (en) 2010-02-16 2015-10-20 Holochip Corporation Adaptive optical devices with controllable focal power and aspheric shape
US8038066B2 (en) * 2009-04-29 2011-10-18 Hand Held Products, Inc. Laser scanner with deformable lens
US8282004B2 (en) * 2009-04-29 2012-10-09 Hand Held Products, Inc. Focusing apparatus and terminal comprising variable focus lens assembly
US8305691B2 (en) 2009-04-29 2012-11-06 Hand Held Products, Inc. Fluid lens element for use in changing thermal operating environment
US8226009B2 (en) * 2009-04-29 2012-07-24 Hand Held Products, Inc. Laser scanner with improved decoding
US8320049B2 (en) 2009-07-15 2012-11-27 The Penn State Research Foundation Tunable liquid gradient refractive index lens device
DE102010001551A1 (en) * 2010-02-03 2011-08-04 TRUMPF Laser- und Systemtechnik GmbH, 71254 Adaptive lens
EP2239600A1 (en) 2010-06-02 2010-10-13 Optotune AG Adjustable optical lens
EP2612065B1 (en) 2010-09-02 2017-05-17 Optotune AG Illumination source with variable divergence
CN101950078B (en) * 2010-09-07 2012-03-28 华中科技大学 Variable focus double liquid lens based on inverse piezoelectric effect
US8947784B2 (en) 2010-10-26 2015-02-03 Optotune Ag Variable focus lens having two liquid chambers
US9389342B2 (en) 2013-03-07 2016-07-12 Wisconsin Alumni Research Foundation Variable focus lens system
EP2869097A1 (en) 2013-11-01 2015-05-06 Optotune AG Tunable optical device
KR102207799B1 (en) 2014-01-31 2021-01-26 매직 립, 인코포레이티드 Multi-focal display system and method
CA2938262C (en) 2014-01-31 2021-01-19 Magic Leap, Inc. Multi-focal display system and method
JP6648041B2 (en) 2014-05-30 2020-02-14 マジック リープ， インコーポレイテッドＭａｇｉｃ Ｌｅａｐ，Ｉｎｃ． Method and system for displaying stereoscopic view using freeform optical system with addressable focus for virtual and augmented reality
EP3149528B1 (en) * 2014-05-30 2023-06-07 Magic Leap, Inc. Methods and system for creating focal planes in virtual and augmented reality
KR20170030789A (en) * 2015-09-10 2017-03-20 엘지전자 주식회사 Smart device and method for contolling the same
WO2017120475A1 (en) 2016-01-06 2017-07-13 University Of Utah Research Foundation Low-power large aperture adaptive lenses for smart eyeglasses
JP2018106127A (en) * 2016-12-28 2018-07-05 株式会社ミツトヨ Lens system and variable focal length lens device
KR102711393B1 (en) 2018-05-23 2024-09-27 엘지이노텍 주식회사 Liquid lens and lens assembly including the liquid lens
US10890693B2 (en) * 2018-12-20 2021-01-12 Mitutoyo Corporation Tunable acoustic gradient lens with axial compliance portion
CN111435214A (en) * 2019-01-11 2020-07-21 三赢科技（深圳）有限公司 Camera module and electronic device with same
KR102798416B1 (en) * 2019-12-11 2025-04-22 엘지이노텍 주식회사 Camera module
CN113114915B (en) * 2021-04-28 2022-11-11 维沃移动通信有限公司 Camera module and electronic equipment
CN113885110A (en) * 2021-09-30 2022-01-04 珠海格力电器股份有限公司 Liquid lens, electronic equipment and zooming method of liquid lens
CN117170085A (en) * 2022-05-26 2023-12-05 晋城三赢精密电子有限公司 Lens assembly, camera module and electronic equipment
CN120009288A (en) * 2025-04-21 2025-05-16 中国刑事警察学院 Trace investigation equipment and investigation method based on polarized light

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Publication number Priority date Publication date Assignee Title
US2300251A (en) * 1941-01-23 1942-10-27 Bausch & Lomb Variable focus lens
US4289379A (en) * 1977-04-27 1981-09-15 Quantel S.A. Optical system having a variable focal length
EP0291596A1 (en) * 1985-11-05 1988-11-23 Oxford Lensats Limited Suspension system for a flexible optical membrane
US5917657A (en) * 1996-02-22 1999-06-29 Denso Corp Imaging device having flexible liquid-filled film lens
WO2003069380A1 (en) * 2002-02-14 2003-08-21 Koninklijke Philips Electronics N.V. Variable focus lens

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US5774274A (en) * 1995-05-12 1998-06-30 Schachar; Ronald A. Variable focus lens by small changes of the equatorial lens diameter
FR2769375B1 (en) * 1997-10-08 2001-01-19 Univ Joseph Fourier VARIABLE FOCAL LENS
JP3961729B2 (en) * 1999-03-03 2007-08-22 株式会社デンソー All-focus imaging device
US6542309B2 (en) * 2001-06-29 2003-04-01 The Boeing Company Flexible lens
WO2004038480A1 (en) * 2002-10-25 2004-05-06 Koninklijke Philips Electronics N.V. Zoom lens
EP2559405A3 (en) * 2002-12-12 2013-06-26 PowerVision, Inc. Accommodating intraocular lens system
US7436598B2 (en) * 2003-05-14 2008-10-14 Koninklijke Philips Electronics N.V. Variable shape lens
DE10349467A1 (en) * 2003-10-23 2005-06-02 Carl Zeiss Optical element for variably adjusting the focal length in an optical device and optical device
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EP1735644A4 (en) * 2004-03-31 2010-01-27 Univ California FLUID ADAPTIVE GLASS
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Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2300251A (en) * 1941-01-23 1942-10-27 Bausch & Lomb Variable focus lens
US4289379A (en) * 1977-04-27 1981-09-15 Quantel S.A. Optical system having a variable focal length
EP0291596A1 (en) * 1985-11-05 1988-11-23 Oxford Lensats Limited Suspension system for a flexible optical membrane
US5917657A (en) * 1996-02-22 1999-06-29 Denso Corp Imaging device having flexible liquid-filled film lens
WO2003069380A1 (en) * 2002-02-14 2003-08-21 Koninklijke Philips Electronics N.V. Variable focus lens

Also Published As

Publication number Publication date
WO2005096028A1 (en) 2005-10-13
US20080259463A1 (en) 2008-10-23
GB0407414D0 (en) 2004-05-05
GB2427283B (en) 2007-11-28
GB0619852D0 (en) 2006-11-15

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20090401