DE69331240T2 - Multistabiler chirale neumatische anzeigevorrichtung - Google Patents

Multistabiler chirale neumatische anzeigevorrichtung

Info

Publication number
DE69331240T2
DE69331240T2 DE69331240T DE69331240T DE69331240T2 DE 69331240 T2 DE69331240 T2 DE 69331240T2 DE 69331240 T DE69331240 T DE 69331240T DE 69331240 T DE69331240 T DE 69331240T DE 69331240 T2 DE69331240 T2 DE 69331240T2
Authority
DE
Germany
Prior art keywords
chiral
neumatic
display device
textures
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 - Lifetime
Application number
DE69331240T
Other languages
English (en)
Other versions
DE69331240D1 (de
Inventor
John West
Deng-Ke Yang
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.)
Kent State University
Original Assignee
Kent State University
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=27369301&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69331240(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from PCT/US1992/009367 external-priority patent/WO1993023496A1/en
Priority claimed from US08/057,662 external-priority patent/US5453863A/en
Application filed by Kent State University filed Critical Kent State University
Application granted granted Critical
Publication of DE69331240D1 publication Critical patent/DE69331240D1/de
Publication of DE69331240T2 publication Critical patent/DE69331240T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • C09K19/00—Liquid crystal materials
    • C09K19/02—Liquid crystal materials characterised by optical, electrical or physical properties of the components, in general
    • C09K19/0208—Twisted Nematic (T.N.); Super Twisted Nematic (S.T.N.); Optical Mode Interference (O.M.I.)
    • 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
    • C09K19/00—Liquid crystal materials
    • C09K19/52—Liquid crystal materials characterised by components which are not liquid crystals, e.g. additives with special physical aspect: solvents, solid particles
    • C09K19/54—Additives having no specific mesophase characterised by their chemical composition
    • C09K19/542—Macromolecular compounds
    • 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
    • C09K19/00—Liquid crystal materials
    • C09K19/52—Liquid crystal materials characterised by components which are not liquid crystals, e.g. additives with special physical aspect: solvents, solid particles
    • C09K19/54—Additives having no specific mesophase characterised by their chemical composition
    • C09K19/542—Macromolecular compounds
    • C09K19/544—Macromolecular compounds as dispersing or encapsulating medium around the liquid crystal
    • 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
    • C09K19/00—Liquid crystal materials
    • C09K19/52—Liquid crystal materials characterised by components which are not liquid crystals, e.g. additives with special physical aspect: solvents, solid particles
    • C09K19/58—Dopants or charge transfer agents
    • C09K19/586—Optically active dopants; chiral dopants
    • 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
    • G02F1/13718—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 a change of the texture state of a cholesteric liquid crystal
    • 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
    • G02F1/1334—Constructional arrangements; Manufacturing methods based on polymer dispersed liquid crystals, e.g. microencapsulated liquid crystals
    • G02F1/13345—Network or three-dimensional gels

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Liquid Crystal (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Liquid Crystal Substances (AREA)
DE69331240T 1992-10-30 1993-10-19 Multistabiler chirale neumatische anzeigevorrichtung Expired - Lifetime DE69331240T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
PCT/US1992/009367 WO1993023496A1 (en) 1992-05-18 1992-10-30 Liquid crystalline light modulating device & material
US07/969,093 US5437811A (en) 1991-05-02 1992-10-30 Liquid crystalline light modulating device and material
US08/057,662 US5453863A (en) 1991-05-02 1993-05-04 Multistable chiral nematic displays
PCT/US1993/009999 WO1994010260A1 (en) 1992-10-30 1993-10-19 Multistable chiral nematic displays

Publications (2)

Publication Number Publication Date
DE69331240D1 DE69331240D1 (de) 2002-01-10
DE69331240T2 true DE69331240T2 (de) 2002-06-27

Family

ID=27369301

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69331240T Expired - Lifetime DE69331240T2 (de) 1992-10-30 1993-10-19 Multistabiler chirale neumatische anzeigevorrichtung

Country Status (5)

Country Link
EP (1) EP0742915B1 (de)
JP (1) JP3055697B2 (de)
AT (1) ATE209790T1 (de)
DE (1) DE69331240T2 (de)
WO (1) WO1994010260A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE179259T1 (de) * 1992-05-18 1999-05-15 Univ Kent State Ohio Flüssigkristalline, lichtmodulierende vorrichtung und material
US5661533A (en) * 1995-05-19 1997-08-26 Advanced Display Systems, Inc. Ultra fast response, multistable reflective cholesteric liquid crystal displays
US6034752A (en) * 1997-03-22 2000-03-07 Kent Displays Incorporated Display device reflecting visible and infrared radiation
US6339463B1 (en) * 1997-03-27 2002-01-15 Xerox Corporation Enhanced viewing angle performance on non-polarizer based color reflective liquid crystal display using a fiber-optic faceplate
JP2001042278A (ja) * 1999-08-03 2001-02-16 Minolta Co Ltd 液晶素子
JP2001290135A (ja) 2000-01-31 2001-10-19 Nitto Denko Corp タッチ式液晶表示装置及び入力検出方法
JP2001228464A (ja) 2000-02-14 2001-08-24 Nitto Denko Corp 液晶表示装置及び着色樹脂基板
US6909484B2 (en) * 2002-10-17 2005-06-21 Intel Corporation Black and white color cholesteric liquid crystal display
JP2007219413A (ja) * 2006-02-20 2007-08-30 Fujifilm Corp 液晶調光デバイスの駆動方法及び液晶調光デバイス
EP2617795B1 (de) * 2012-01-23 2018-12-12 Vlyte Innovations Limited Chirale nematische Flüssigkristallanzeigevorrichtung

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3680950A (en) * 1971-03-15 1972-08-01 Xerox Corp Grandjean state liquid crystalline imaging system
US3806230A (en) * 1971-12-14 1974-04-23 Xerox Corp Liquid crystal imaging system having optical storage capabilities
US3947183A (en) * 1974-09-25 1976-03-30 Xerox Corporation Liquid crystal display system
US4097127A (en) * 1977-03-02 1978-06-27 Xerox Corporation Mixed liquid crystalline texture formation
JPS5691294A (en) * 1979-12-25 1981-07-24 Seiko Instr & Electronics Display unit

Also Published As

Publication number Publication date
EP0742915A4 (de) 1996-07-19
DE69331240D1 (de) 2002-01-10
EP0742915B1 (de) 2001-11-28
WO1994010260A1 (en) 1994-05-11
ATE209790T1 (de) 2001-12-15
JP3055697B2 (ja) 2000-06-26
EP0742915A1 (de) 1996-11-20
JPH08502837A (ja) 1996-03-26

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Legal Events

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8363 Opposition against the patent