GB8531471D0 - Liquid crystal lens - Google Patents

Liquid crystal lens

Info

Publication number
GB8531471D0
GB8531471D0 GB858531471A GB8531471A GB8531471D0 GB 8531471 D0 GB8531471 D0 GB 8531471D0 GB 858531471 A GB858531471 A GB 858531471A GB 8531471 A GB8531471 A GB 8531471A GB 8531471 D0 GB8531471 D0 GB 8531471D0
Authority
GB
United Kingdom
Prior art keywords
liquid crystal
crystal lens
lens
liquid
crystal
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.)
Withdrawn
Application number
GB858531471A
Other versions
GB2169417A (en
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.)
Olympus Corp
Original Assignee
Olympus Optical Co 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
Priority claimed from JP27774184A external-priority patent/JPS61156225A/en
Priority claimed from JP1911185A external-priority patent/JPS61177433A/en
Priority claimed from JP14322785A external-priority patent/JPS623223A/en
Application filed by Olympus Optical Co Ltd filed Critical Olympus Optical Co Ltd
Publication of GB8531471D0 publication Critical patent/GB8531471D0/en
Publication of GB2169417A publication Critical patent/GB2169417A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/10—Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses
    • G02C7/101—Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses having an electro-optical light valve
    • 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
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1347—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells
    • G02F1/13471—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells in which all the liquid crystal cells or layers remain transparent, e.g. FLC, ECB, DAP, HAN, TN, STN, SBE-LC cells
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/29—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the position or the direction of light beams, i.e. deflection
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/29—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the position or the direction of light beams, i.e. deflection
    • G02F1/294—Variable focal length devices
GB08531471A 1984-12-28 1985-12-20 Liquid crystal lens having a variable focal length Withdrawn GB2169417A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP27774184A JPS61156225A (en) 1984-12-28 1984-12-28 Liquid crystal lens with variable focal distance
JP1911185A JPS61177433A (en) 1985-02-02 1985-02-02 Liquid crystal lens with variable focal length
JP14322785A JPS623223A (en) 1985-06-28 1985-06-28 Liquid crystal lens of variable focal length

Publications (2)

Publication Number Publication Date
GB8531471D0 true GB8531471D0 (en) 1986-02-05
GB2169417A GB2169417A (en) 1986-07-09

Family

ID=27282499

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08531471A Withdrawn GB2169417A (en) 1984-12-28 1985-12-20 Liquid crystal lens having a variable focal length

Country Status (1)

Country Link
GB (1) GB2169417A (en)

Families Citing this family (55)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4756605A (en) * 1985-02-01 1988-07-12 Olympus Optical Co., Ltd. Liquid crystal spectacles
US5299037A (en) * 1985-08-07 1994-03-29 Canon Kabushiki Kaisha Diffraction grating type liquid crystal display device in viewfinder
GB2184560B (en) * 1985-12-18 1990-06-20 Gen Electric Plc Apparatus for deflecting a beam of light
JP2666907B2 (en) * 1986-03-05 1997-10-22 オリンパス光学工業株式会社 Liquid crystal lens
US4765719A (en) * 1987-02-04 1988-08-23 Fergason James L Optical protection using smectic liquid crystal
US5159475A (en) * 1989-05-25 1992-10-27 Optical Shields, Inc. High speed optical protection using smectic liquid crystal
FR2685102B1 (en) * 1991-12-17 1994-04-15 Asulab Sa ELECTRO-OPTICAL DEVICE WITH VARIABLE TRANSPARENCY.
US5608567A (en) * 1991-11-05 1997-03-04 Asulab S.A. Variable transparency electro-optical device
SG65551A1 (en) * 1991-11-05 1999-06-22 Asulab Sa Variable transparency electro-optical device
DE69421394T2 (en) * 1993-04-07 2000-02-10 Ttp Group Plc SWITCHABLE LENS
US6626532B1 (en) * 1997-06-10 2003-09-30 Olympus Optical Co., Ltd. Vari-focal spectacles
MXPA01012785A (en) * 1999-06-11 2002-07-22 Ppg Ind Ohio Inc Electro-optical device and variable transparent article with such device.
US6517203B1 (en) 1999-07-02 2003-02-11 E-Vision, Llc System, apparatus, and method for correcting vision using electro-active spectacles
US6491394B1 (en) 1999-07-02 2002-12-10 E-Vision, Llc Method for refracting and dispensing electro-active spectacles
US6733130B2 (en) 1999-07-02 2004-05-11 E-Vision, Llc Method for refracting and dispensing electro-active spectacles
US6619799B1 (en) 1999-07-02 2003-09-16 E-Vision, Llc Optical lens system with electro-active lens having alterably different focal lengths
US6491391B1 (en) 1999-07-02 2002-12-10 E-Vision Llc System, apparatus, and method for reducing birefringence
US7775660B2 (en) 1999-07-02 2010-08-17 E-Vision Llc Electro-active ophthalmic lens having an optical power blending region
US7988286B2 (en) 1999-07-02 2011-08-02 E-Vision Llc Static progressive surface region in optical communication with a dynamic optic
US6690495B1 (en) 2000-10-03 2004-02-10 Alphamicron, Inc. Device exhibiting photo-induced dichroism for adaptive anti-glare vision protection
US8545984B2 (en) 2003-07-01 2013-10-01 Transitions Optical, Inc. Photochromic compounds and compositions
US9096014B2 (en) 2003-07-01 2015-08-04 Transitions Optical, Inc. Oriented polymeric sheets exhibiting dichroism and articles containing the same
US7978391B2 (en) 2004-05-17 2011-07-12 Transitions Optical, Inc. Polarizing, photochromic devices and methods of making the same
US8698117B2 (en) 2003-07-01 2014-04-15 Transitions Optical, Inc. Indeno-fused ring compounds
US7256921B2 (en) 2003-07-01 2007-08-14 Transitions Optical, Inc. Polarizing, photochromic devices and methods of making the same
US8582192B2 (en) 2003-07-01 2013-11-12 Transitions Optical, Inc. Polarizing photochromic articles
US8089678B2 (en) 2003-07-01 2012-01-03 Transitions Optical, Inc Clear to circular polarizing photochromic devices and methods of making the same
US8518546B2 (en) 2003-07-01 2013-08-27 Transitions Optical, Inc. Photochromic compounds and compositions
US7632540B2 (en) 2003-07-01 2009-12-15 Transitions Optical, Inc. Alignment facilities for optical dyes
US8211338B2 (en) 2003-07-01 2012-07-03 Transitions Optical, Inc Photochromic compounds
JP4252576B2 (en) * 2003-10-06 2009-04-08 株式会社メニコン Manufacturing method of ophthalmic lens article, ophthalmic lens article obtained by the same, and mold for ophthalmic lens article
US7097303B2 (en) 2004-01-14 2006-08-29 Ppg Industries Ohio, Inc. Polarizing devices and methods of making the same
US8778022B2 (en) 2004-11-02 2014-07-15 E-Vision Smart Optics Inc. Electro-active intraocular lenses
EP1807728A4 (en) * 2004-11-02 2009-07-29 E Vision Llc Electro-active spectacles and method of fabricating same
US9801709B2 (en) 2004-11-02 2017-10-31 E-Vision Smart Optics, Inc. Electro-active intraocular lenses
US8931896B2 (en) 2004-11-02 2015-01-13 E-Vision Smart Optics Inc. Eyewear including a docking station
US9122083B2 (en) 2005-10-28 2015-09-01 E-Vision Smart Optics, Inc. Eyewear docking station and electronic module
US20080273166A1 (en) 2007-05-04 2008-11-06 William Kokonaski Electronic eyeglass frame
US7656509B2 (en) 2006-05-24 2010-02-02 Pixeloptics, Inc. Optical rangefinder for an electro-active lens
KR101449986B1 (en) 2006-06-23 2014-10-13 픽셀옵틱스, 인크. Electronic adapter for electro-active spectacle lenses
AR064985A1 (en) 2007-01-22 2009-05-06 E Vision Llc FLEXIBLE ELECTROACTIVE LENS
WO2008103906A2 (en) 2007-02-23 2008-08-28 Pixeloptics, Inc. Ophthalmic dynamic aperture
JP2010520514A (en) 2007-03-07 2010-06-10 ピクセルオプティクス， インコーポレイテッド Multifocal lens with progressive optical power region and discontinuity
US20080273169A1 (en) 2007-03-29 2008-11-06 Blum Ronald D Multifocal Lens Having a Progressive Optical Power Region and a Discontinuity
US7883207B2 (en) 2007-12-14 2011-02-08 Pixeloptics, Inc. Refractive-diffractive multifocal lens
US10613355B2 (en) 2007-05-04 2020-04-07 E-Vision, Llc Moisture-resistant eye wear
US11061252B2 (en) 2007-05-04 2021-07-13 E-Vision, Llc Hinge for electronic spectacles
US8317321B2 (en) 2007-07-03 2012-11-27 Pixeloptics, Inc. Multifocal lens with a diffractive optical power region
EP2271964A4 (en) 2008-03-18 2017-09-20 Mitsui Chemicals, Inc. Advanced electro-active optic device
US8154804B2 (en) 2008-03-25 2012-04-10 E-Vision Smart Optics, Inc. Electro-optic lenses for correction of higher order aberrations
EP2793072B1 (en) * 2011-12-16 2019-10-09 Mitsui Chemicals, Inc. Control device for variable focus lenses, control method for variable focus lenses, and electronic glasses
GR1008919B (en) * 2016-04-11 2016-12-23 Γεωργιος Αποστολου Ντοβας Application of radio frequencies to thermotropic liquid crystals for vision control
US10599006B2 (en) 2016-04-12 2020-03-24 E-Vision Smart Optics, Inc. Electro-active lenses with raised resistive bridges
JP6781267B2 (en) 2016-04-12 2020-11-04 イービジョン スマート オプティクス インコーポレイテッド Electrically activated lens with elevated resistance bridge
US10866455B2 (en) 2017-10-19 2020-12-15 Ppg Industries Ohio, Inc. Display devices including photochromic-dichroic compounds and dichroic compounds

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2323160A1 (en) * 1975-09-03 1977-04-01 Thomson Brandt OPTICAL PROJECTION DEVICE AND OPTICAL READER INCLUDING SUCH A DEVICE
US4190330A (en) * 1977-12-27 1980-02-26 Bell Telephone Laboratories, Incorporated Variable focus liquid crystal lens system
DE2937974A1 (en) * 1979-09-20 1981-04-02 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt DEVICE FOR ELECTROOPTICALLY CONTROLLING A LIGHT BUNDLE
ATE27862T1 (en) * 1982-04-14 1987-07-15 Andre M Eggenschwiler LIGHT PROTECTION FILTERS, PARTICULARLY FOR WELDING SHIELDS OR WELDING GOGGLES.

Also Published As

Publication number Publication date
GB2169417A (en) 1986-07-09

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)