ATE448504T1 - Flüssigkristallanzeige - Google Patents

Flüssigkristallanzeige

Info

Publication number
ATE448504T1
ATE448504T1 AT01956649T AT01956649T ATE448504T1 AT E448504 T1 ATE448504 T1 AT E448504T1 AT 01956649 T AT01956649 T AT 01956649T AT 01956649 T AT01956649 T AT 01956649T AT E448504 T1 ATE448504 T1 AT E448504T1
Authority
AT
Austria
Prior art keywords
liquid crystal
stable
configurations
crystal display
alignment grating
Prior art date
Application number
AT01956649T
Other languages
English (en)
Inventor
Emma Louise Wood
Guy Peter Bryan-Brown
Victor Hui
John Clifford Jones
Carl Vernon Brown
Original Assignee
Zbd Displays 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 Zbd Displays Ltd filed Critical Zbd Displays Ltd
Application granted granted Critical
Publication of ATE448504T1 publication Critical patent/ATE448504T1/de

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
    • G02F1/137—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
    • G02F1/1391—Bistable or multi-stable liquid crystal 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
    • G02F1/01—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
    • G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2323/00—Functional layers of liquid crystal optical display excluding electroactive liquid crystal layer characterised by chemical composition
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2323/00—Functional layers of liquid crystal optical display excluding electroactive liquid crystal layer characterised by chemical composition
    • C09K2323/02—Alignment layer characterised by chemical composition
    • 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
    • G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • G02F1/133753—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers with different alignment orientations or pretilt angles on a same surface, e.g. for grey scale or improved viewing angle
    • G02F1/133761—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers with different alignment orientations or pretilt angles on a same surface, e.g. for grey scale or improved viewing angle with different pretilt angles
    • 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
    • G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • G02F1/133776—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers having structures locally influencing the alignment, e.g. unevenness
    • 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
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/30—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 grating

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Liquid Crystal (AREA)
  • Liquid Crystal Substances (AREA)
AT01956649T 2000-07-21 2001-07-18 Flüssigkristallanzeige ATE448504T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0017953.1A GB0017953D0 (en) 2000-07-21 2000-07-21 Liquid crystal device
PCT/GB2001/003168 WO2002008825A1 (en) 2000-07-21 2001-07-18 Liquid crystal device

Publications (1)

Publication Number Publication Date
ATE448504T1 true ATE448504T1 (de) 2009-11-15

Family

ID=9896104

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01956649T ATE448504T1 (de) 2000-07-21 2001-07-18 Flüssigkristallanzeige

Country Status (9)

Country Link
US (1) US7053975B2 (de)
EP (1) EP1301823B1 (de)
JP (1) JP2004505297A (de)
AT (1) ATE448504T1 (de)
AU (1) AU2001278573A1 (de)
DE (1) DE60140449D1 (de)
GB (1) GB0017953D0 (de)
MY (1) MY134139A (de)
WO (1) WO2002008825A1 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9521106D0 (en) * 1995-10-16 1995-12-20 Secr Defence Bistable nematic liquid crystal device
US7460200B2 (en) * 2000-03-27 2008-12-02 Helwett-Packard Development Company, L.P. Liquid crystal alignment
US7463228B2 (en) * 2002-01-18 2008-12-09 Kent State University Fast switching dual-frequency liquid crystal cells and method for driving the same
DE60307101T2 (de) * 2002-05-29 2007-01-04 Zbd Displays Ltd., Malvern Anzeigevorrichtung mit einem material mit mindestens zwei stabilen zuständen und ansteuerverfahren dafür
EP1736960A3 (de) * 2002-05-29 2007-05-23 ZBD Displays Limited Anzeigevorrichtung mit einem material mit mindestens zwei stabilen zuständen und ansteuerverfahren dafür
US7692672B2 (en) 2002-07-04 2010-04-06 Zbd Displays Limited Liquid crystal devices with greyscale
WO2004036302A1 (en) 2002-10-17 2004-04-29 Zbd Displays Ltd. Liquid crystal alignment layer
GB0226784D0 (en) * 2002-11-18 2002-12-24 Qinetiq Ltd Liquid crystal devices with reduced surface anchoring energy
FR2847704B1 (fr) * 2002-11-26 2005-01-28 Nemoptic Procede et dispositif perfectionnes d'affichage a cristal liquide nematique bistable
US7294368B2 (en) 2002-12-11 2007-11-13 Merck Patent Gmbh Liquid crystal composition for use in bistable liquid crystal devices
CN100453619C (zh) * 2002-12-11 2009-01-21 默克专利股份有限公司 用于双稳态液晶器件的快速切换液晶组合物
EP1445645A1 (de) 2003-02-07 2004-08-11 ZBD Displays Ltd, Flüssigkristallvorrichtung
CN100540631C (zh) * 2003-05-08 2009-09-16 默克专利股份有限公司 用于双稳态液晶器件的液晶组合物
US8330932B2 (en) * 2004-12-10 2012-12-11 Industrial Technology Research Institute Bistable watermark
US20080242401A1 (en) * 2005-09-09 2008-10-02 Wms Gaming Inc. Wagering Game System with Bistable Lcd Display
KR101489528B1 (ko) * 2007-05-16 2015-02-03 메르크 파텐트 게엠베하 전자기파 방사선 변조 요소, 변조 소자 및 변조 매질
DE102007035969A1 (de) 2007-07-30 2009-02-05 Hidde, Axel R., Dr. Ventilbaukasten mit Keramikventil
US8913215B2 (en) 2008-03-24 2014-12-16 Kent State University Bistable switchable liquid crystal window
WO2019013284A1 (ja) 2017-07-12 2019-01-17 富士フイルム株式会社 液晶組成物、反射層の製造方法、反射層、硬化物、光学異方体
US10996518B1 (en) * 2019-12-26 2021-05-04 Industrial Technology Research Institute Light switchable device
US20230399889A1 (en) * 2020-10-30 2023-12-14 Kent State University Dual-mode smart switchable liquid crystal window
FR3127826B1 (fr) * 2021-10-06 2023-09-08 Saint Gobain SYSTEME OPTIQUE A cristaux liquides

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4333708A (en) * 1979-11-30 1982-06-08 Bell Telephone Laboratories, Incorporated Mechanically multistable liquid crystal cell
US4472026A (en) * 1982-05-06 1984-09-18 At&T Bell Laboratories Electrothermal matrix addressable liquid crystal display
US5438421A (en) * 1991-04-24 1995-08-01 Alps Electric Co., Ltd. Orientation film of liquid crystal having bilaterally asymmetric ridges separated by grooves
JPH0588177A (ja) * 1991-09-30 1993-04-09 Toshiba Corp 液晶表示素子
FR2740894B1 (fr) * 1995-11-08 1998-01-23 Centre Nat Rech Scient Dispositif d'affichage perfectionne a base de cristaux liquides et a effet bistable
FR2763145B1 (fr) * 1997-05-07 1999-07-30 Centre Nat Rech Scient Dispositif a cristaux liquides comprenant des moyens d'ancrage perfectionnes sur au moins une plaque de confinement donnant une orientation degeneree sans memoire
GB9727142D0 (en) * 1997-12-24 1998-02-25 Secr Defence Bistable nematic liquid crystal device
EP1139152A1 (de) * 2000-03-27 2001-10-04 Hewlett-Packard Company, A Delaware Corporation Struktur zum ausrichten von Flussigkristallen

Also Published As

Publication number Publication date
EP1301823B1 (de) 2009-11-11
EP1301823A1 (de) 2003-04-16
JP2004505297A (ja) 2004-02-19
WO2002008825A1 (en) 2002-01-31
US20040191427A1 (en) 2004-09-30
US7053975B2 (en) 2006-05-30
DE60140449D1 (de) 2009-12-24
GB0017953D0 (en) 2000-09-13
AU2001278573A1 (en) 2002-02-05
MY134139A (en) 2007-11-30

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties