FR2549268B1 - Affichage a cristaux liquides - Google Patents

Affichage a cristaux liquides

Info

Publication number
FR2549268B1
FR2549268B1 FR8410952A FR8410952A FR2549268B1 FR 2549268 B1 FR2549268 B1 FR 2549268B1 FR 8410952 A FR8410952 A FR 8410952A FR 8410952 A FR8410952 A FR 8410952A FR 2549268 B1 FR2549268 B1 FR 2549268B1
Authority
FR
France
Prior art keywords
liquid crystal
crystal display
display
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.)
Expired
Application number
FR8410952A
Other languages
English (en)
Other versions
FR2549268A1 (fr
Inventor
Hermann Amstutz
Dieter Heimgartner
Mainolph Kaufmann
Terry J Scheffer
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.)
BBC Brown Boveri AG Switzerland
Original Assignee
BBC Brown Boveri AG Switzerland
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25693920&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FR2549268(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from CH381983A external-priority patent/CH664027A5/de
Priority claimed from CH583583A external-priority patent/CH665491A5/de
Application filed by BBC Brown Boveri AG Switzerland filed Critical BBC Brown Boveri AG Switzerland
Publication of FR2549268A1 publication Critical patent/FR2549268A1/fr
Application granted granted Critical
Publication of FR2549268B1 publication Critical patent/FR2549268B1/fr
Expired 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 
    • G02F1/17—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 variable-absorption elements not provided for in groups G02F1/015 - G02F1/169
    • 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
    • G02F1/137—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
    • G02F1/139—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent
    • G02F1/1396—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent the liquid crystal being selectively controlled between a twisted state and a non-twisted state, e.g. TN-LC cell
    • G02F1/1397—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent the liquid crystal being selectively controlled between a twisted state and a non-twisted state, e.g. TN-LC cell the twist being substantially higher than 90°, e.g. STN-, SBE-, OMI-LC cells
FR8410952A 1983-07-12 1984-07-10 Affichage a cristaux liquides Expired FR2549268B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH381983A CH664027A5 (de) 1983-07-12 1983-07-12 Fluessigkristallanzeige.
CH583583A CH665491A5 (de) 1983-10-28 1983-10-28 Fluessigkristallanzeige.

Publications (2)

Publication Number Publication Date
FR2549268A1 FR2549268A1 (fr) 1985-01-18
FR2549268B1 true FR2549268B1 (fr) 1985-12-13

Family

ID=25693920

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8410952A Expired FR2549268B1 (fr) 1983-07-12 1984-07-10 Affichage a cristaux liquides

Country Status (14)

Country Link
US (2) US4634229A (fr)
EP (1) EP0131216B1 (fr)
KR (1) KR900008064B1 (fr)
CA (1) CA1242784A (fr)
DD (1) DD222433A5 (fr)
DE (2) DE3467044D1 (fr)
FR (1) FR2549268B1 (fr)
GB (1) GB2143336B (fr)
HK (1) HK54890A (fr)
IN (1) IN161652B (fr)
NL (1) NL8402189A (fr)
NO (1) NO167241C (fr)
PH (1) PH24617A (fr)
SG (1) SG20690G (fr)

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JPH0656459B2 (ja) * 1985-04-05 1994-07-27 株式会社日立製作所 液晶表示素子
CA1281114C (fr) * 1985-09-25 1991-03-05 Kokichi Ito Element electro-optique a cristal liquide et particules adhesives
US5215677A (en) * 1985-09-27 1993-06-01 Sanyo Electric Co., Ltd. Liquid crystal display device
EP0217641B1 (fr) * 1985-09-27 1992-04-22 Sanyo Electric Co., Ltd. Dispositif d'affichage à cristaux liquides
US5044735A (en) * 1985-11-29 1991-09-03 Konishiroku Photo Industry Co., Ltd. Liquid crystal display device for providing sufficiently high contrast ratio and excellent response time
JPS62194224A (ja) * 1986-02-20 1987-08-26 Sharp Corp ツイステツド・ネマチツク型液晶表示素子
US4726659A (en) * 1986-02-24 1988-02-23 Rca Corporation Display device having different alignment layers
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US5188758A (en) * 1986-03-19 1993-02-23 Merck Patent Gesellschaft Mit Beschraenkter Haftung Electrooptical display element using a supertwist liquid crystal having specified elastic constants
DE3609141A1 (de) * 1986-03-19 1987-09-24 Merck Patent Gmbh Elektrooptisches anzeigeelement
DE3752219T2 (de) * 1986-05-19 1999-02-18 Seiko Epson Corp Flüssigkristall-Anzeigevorrichtung
US4776674A (en) * 1986-06-25 1988-10-11 American Telephone And Telegraph Company, At&T Bell Laboratories Liquid crystal device with chemically-induced high-tilt alignment coating
US4779958A (en) * 1986-06-28 1988-10-25 Kabushiki Kaisha Toshiba Liquid crystal device having different natural and induced twists
US4818074A (en) * 1986-09-03 1989-04-04 Ricoh Company, Ltd. Projection device for irradiating a light to a display device and optically magnifying and projecting a reflection light therefrom
JP2676508B2 (ja) * 1986-09-12 1997-11-17 コニカ株式会社 液晶表示装置
DE3774977D1 (de) * 1986-09-12 1992-01-16 Hoffmann La Roche Fluessigkristallanzeige.
JPS63167331A (ja) * 1986-12-29 1988-07-11 Sharp Corp ツイステツド・ネマチツク型液晶表示素子
JPS63220221A (ja) * 1987-03-10 1988-09-13 Sharp Corp カラ−液晶表示素子
JPS63234225A (ja) * 1987-03-23 1988-09-29 Sharp Corp 液晶表示装置
FR2613566B1 (fr) * 1987-04-06 1989-06-09 Commissariat Energie Atomique Ecran a matrice active pour affichage en couleur d'images de television, systeme de commande et procede de fabrication dudit ecran
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JPS6421416A (en) * 1987-07-17 1989-01-24 Hitachi Ltd Liquid crystal display element
KR0134974B1 (ko) * 1987-07-29 1998-04-22 미다 가쓰시게 트위스트 나선구조를 가지는 네마틱 액정표시장치
US5044733A (en) * 1987-08-19 1991-09-03 Ricoh Company, Ltd. Super twisted nematic liquid crystal display device having the standard deviation of the spherical grains being not more than 3% and the dispersion quantity of the spherical grains being 100-200 grains/mm2
JPH0797189B2 (ja) * 1987-10-07 1995-10-18 シャープ株式会社 液晶表示装置
DE3887436T2 (de) * 1987-10-13 1994-05-11 Fujitsu Ltd Flüssigkristall-Anzeigetafel.
JPH01120527A (ja) * 1987-11-04 1989-05-12 Sharp Corp 液晶表示装置
FR2623649B1 (fr) * 1987-11-23 1992-05-15 Asulab Sa Cellule d'affichage a cristal liquide
JPH07117664B2 (ja) * 1987-12-03 1995-12-18 シャープ株式会社 液晶表示装置
DE3741997C2 (de) * 1987-12-11 1997-07-17 Vdo Schindling Verfahren zur Ansteuerung einer STN Flüssigkristallzelle
US5119220A (en) * 1988-01-28 1992-06-02 Sanyo Electric Co., Ltd. Liquid crystal display device with a phase plate for shadow compensation
US4936654A (en) * 1988-01-28 1990-06-26 Sanyo Electric Co., Ltd. Liquid crystal display device
DE3807958B4 (de) * 1988-03-10 2004-03-18 Merck Patent Gmbh Supertwist-Flüssigkristallanzeigeelement
DE3835803A1 (de) * 1988-03-10 1990-04-26 Merck Patent Gmbh Supertwist-fluessigkristallanzeigeelement und fluessigkristallmischung
US5082353A (en) * 1988-05-11 1992-01-21 Kabushiki Kaisha Toshiba Liquid-crystal display apparatus
JP2621385B2 (ja) * 1988-07-06 1997-06-18 セイコーエプソン株式会社 電気光学装置
WO1990000756A1 (fr) * 1988-07-14 1990-01-25 Seiko Epson Corporation Dispositif electro-optique a cristaux liquides du type a reflexion et dispositif d'affichage du type a projection l'utilisant
JPH02124529A (ja) * 1988-07-19 1990-05-11 Sharp Corp 二層型液晶表示装置
US5302946A (en) * 1988-07-21 1994-04-12 Leonid Shapiro Stacked display panel construction and method of making same
US5153568A (en) * 1988-07-21 1992-10-06 Proxima Corporation Liquid crystal display panel system and method of using same
US4944578A (en) * 1988-07-21 1990-07-31 Telex Communications Color graphic imager utilizing a liquid crystal display
US5089810A (en) * 1990-04-09 1992-02-18 Computer Accessories Corporation Stacked display panel construction and method of making same
US5058998A (en) * 1988-09-16 1991-10-22 Casio Computer Co., Ltd. Liquid crystal display devide with a twisted alignment state
JPH0642125B2 (ja) * 1988-10-04 1994-06-01 シャープ株式会社 プロジェクション装置
US5387369A (en) * 1988-10-20 1995-02-07 Merck Patent Gesellschaft Mit Beschrankter Haftung Supertwist liquid crystal display
DE3835804B4 (de) * 1988-10-20 2006-12-28 Merck Patent Gmbh Nematische Flüssigkristallmischung
DE3843767A1 (de) * 1988-12-24 1990-07-05 Nokia Unterhaltungselektronik Fluessigkristalldisplay fuer schwarz/weiss-darstellung
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US5050965A (en) * 1989-09-01 1991-09-24 In Focus Systems, Inc. Color display using supertwisted nematic liquid crystal material
JP2784205B2 (ja) * 1989-04-14 1998-08-06 コニカ株式会社 透過型液晶表示装置
US5229031A (en) * 1989-05-17 1993-07-20 Seiko Epson Corporation Liquid crystal display device
US4991924A (en) * 1989-05-19 1991-02-12 Cornell Research Foundation, Inc. Optical switches using cholesteric or chiral nematic liquid crystals and method of using same
DE3923064B4 (de) * 1989-07-13 2004-08-05 Merck Patent Gmbh Flüssigkristallmischung und sie enthaltende Supertwist-Flüssigkristallanzeige
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JP2924055B2 (ja) * 1989-12-08 1999-07-26 セイコーエプソン株式会社 反射型液晶表示素子
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US6392689B1 (en) * 1991-02-21 2002-05-21 Eugene Dolgoff System for displaying moving images pseudostereoscopically
US5184156A (en) * 1991-11-12 1993-02-02 Reliant Laser Corporation Glasses with color-switchable, multi-layered lenses
US5398127A (en) * 1992-03-03 1995-03-14 Matsushita Electric Industrial Co., Ltd. Active matrix twisted nematic liquid crystal display with rubbing direction 1-44 degrees to the electrodes
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US5327269A (en) * 1992-05-13 1994-07-05 Standish Industries, Inc. Fast switching 270° twisted nematic liquid crystal device and eyewear incorporating the device
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DE69622942T2 (de) 1995-01-23 2003-05-28 Asahi Glass Co Ltd Flussigkristall-anzeigvorrichtung
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Also Published As

Publication number Publication date
GB8417776D0 (en) 1984-08-15
EP0131216B1 (fr) 1987-10-28
GB2143336A (en) 1985-02-06
KR850001438A (ko) 1985-03-18
IN161652B (fr) 1988-01-09
US4634229A (en) 1987-01-06
US4697884A (en) 1987-10-06
US4697884B1 (fr) 1990-08-28
NO167241B (no) 1991-07-08
DE3423993C2 (fr) 1988-06-23
KR900008064B1 (ko) 1990-10-31
DE3467044D1 (en) 1987-12-03
NO167241C (no) 1991-10-16
NL8402189A (nl) 1985-02-01
EP0131216A3 (en) 1985-03-13
GB2143336B (en) 1987-04-01
NO842799L (no) 1985-01-14
FR2549268A1 (fr) 1985-01-18
DE3423993A1 (de) 1985-01-24
EP0131216A2 (fr) 1985-01-16
CA1242784A (fr) 1988-10-04
SG20690G (en) 1990-07-06
DD222433A5 (de) 1985-05-15
HK54890A (en) 1990-07-27
PH24617A (en) 1990-08-17

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