DE69329491D1 - Schaltung fur eine flussigkristallblende - Google Patents

Schaltung fur eine flussigkristallblende

Info

Publication number
DE69329491D1
DE69329491D1 DE69329491T DE69329491T DE69329491D1 DE 69329491 D1 DE69329491 D1 DE 69329491D1 DE 69329491 T DE69329491 T DE 69329491T DE 69329491 T DE69329491 T DE 69329491T DE 69329491 D1 DE69329491 D1 DE 69329491D1
Authority
DE
Germany
Prior art keywords
circuit
liquid crystal
crystal panel
panel
liquid
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.)
Expired - Fee Related
Application number
DE69329491T
Other languages
English (en)
Other versions
DE69329491T2 (de
Inventor
Abraham Gross
Anthony Mcmahon
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.)
Crystalens Ltd
Original Assignee
Crystalens 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 Crystalens Ltd filed Critical Crystalens Ltd
Publication of DE69329491D1 publication Critical patent/DE69329491D1/de
Application granted granted Critical
Publication of DE69329491T2 publication Critical patent/DE69329491T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
    • 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
DE69329491T 1992-01-20 1993-01-20 Schaltung fur eine flussigkristallblende Expired - Fee Related DE69329491T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB929201124A GB9201124D0 (en) 1992-01-20 1992-01-20 Liquid crystal lens circuit
PCT/GB1993/000119 WO1993014435A1 (en) 1992-01-20 1993-01-20 Liquid crystal lens circuit

Publications (2)

Publication Number Publication Date
DE69329491D1 true DE69329491D1 (de) 2000-11-02
DE69329491T2 DE69329491T2 (de) 2001-05-10

Family

ID=10708862

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69329491T Expired - Fee Related DE69329491T2 (de) 1992-01-20 1993-01-20 Schaltung fur eine flussigkristallblende

Country Status (7)

Country Link
US (1) US6433770B1 (de)
EP (1) EP0623227B1 (de)
AU (1) AU3360793A (de)
DE (1) DE69329491T2 (de)
ES (1) ES2152944T3 (de)
GB (1) GB9201124D0 (de)
WO (1) WO1993014435A1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9503858D0 (en) * 1995-02-25 1995-04-19 Central Research Lab Ltd Drive circuit
US7811482B2 (en) * 2001-09-18 2010-10-12 Alphamicron, Inc. Curved optical device and method for making the same
US7102602B2 (en) * 2001-09-18 2006-09-05 Alphamicron, Inc. Doubly curved optical device for eyewear and method for making the same
US20040004608A1 (en) * 2002-07-03 2004-01-08 Kinpo Electronics, Inc. Display device for reducing power consumption and protecting user's eyes
KR100533643B1 (ko) * 2004-03-29 2005-12-06 삼성전기주식회사 가변 구형파 구동장치
AU2008278641A1 (en) * 2007-07-20 2009-01-29 Rappaport Family Institute For Research In The Medical Sciences A method and a system for protection of retina from light- induced damage
ES2334960A1 (es) * 2008-06-11 2010-03-17 Universidad De Valladolid Dispositivo de ayuda y proteccion en la vision.
CN101778516A (zh) * 2010-03-18 2010-07-14 青岛海信电器股份有限公司 显示装置及其灯光控制方法
CN102707538A (zh) * 2012-05-28 2012-10-03 天马微电子股份有限公司 一种液晶透镜驱动电路及立体显示器
CH710211A2 (de) * 2014-10-06 2016-04-15 castelberg design GmbH Elektro-optisches Blendschutzglas, insbesondere für Schutz-, Sport- und Sonnenbrillen.
US10198094B1 (en) * 2017-08-02 2019-02-05 Microsoft Technology Licensing, Llc Active stylus
EP3521910A1 (de) * 2018-02-06 2019-08-07 Essilor International Vorrichtung mit variabler optischer transmission und zugehöriges steuerungsverfahren
EP3985429A1 (de) * 2020-10-16 2022-04-20 Essilor International Dynamische übertragungswertregelung

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2913571C2 (de) * 1979-04-04 1980-08-21 Josef 8000 Muenchen Pfanzelt Elektrisch-automatisch arbeitende Blendschutzvorrichtung
US4279474A (en) * 1980-03-25 1981-07-21 Belgorod Barry M Spectacle lens having continuously variable controlled density and fast response time
JPS59151286A (ja) * 1983-02-18 1984-08-29 株式会社アペックス 飲料自動販売機
JPS60139545A (ja) * 1983-12-27 1985-07-24 Nippon Denso Co Ltd 車両用防眩型反射鏡駆動装置
US4560239A (en) * 1984-02-29 1985-12-24 Amnon Katz Liquid crystal active light shield
GB2190516B (en) * 1986-05-16 1990-01-31 Cd Marketing Ltd Day/night mirror
CA1274297A (en) * 1986-07-18 1990-09-18 Edward A. Gahan Rearview mirror control circuit
US5015086A (en) * 1989-04-17 1991-05-14 Seiko Epson Corporation Electronic sunglasses
JPH04134320A (ja) * 1990-09-26 1992-05-08 Seiko Epson Corp 電子サングラス
US5285060A (en) * 1992-12-15 1994-02-08 Donnelly Corporation Display for automatic rearview mirror
GB9314435D0 (en) * 1993-07-13 1993-08-25 Mcmurtrie Robert Key-start switch security case
US5402040A (en) * 1993-11-23 1995-03-28 The Watt Stopper Dimmable ballast control circuit
US5742131A (en) * 1993-11-23 1998-04-21 The Watt Stopper Dimmable ballast control circuit

Also Published As

Publication number Publication date
US20020044112A1 (en) 2002-04-18
ES2152944T3 (es) 2001-02-16
AU3360793A (en) 1993-08-03
EP0623227A1 (de) 1994-11-09
EP0623227B1 (de) 2000-09-27
DE69329491T2 (de) 2001-05-10
US6433770B1 (en) 2002-08-13
GB9201124D0 (en) 1992-03-11
WO1993014435A1 (en) 1993-07-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee