AT209790T - MULTI-STABLE CHIRAL NEUMATIC DISPLAY DEVICE - Google Patents

MULTI-STABLE CHIRAL NEUMATIC DISPLAY DEVICE

Info

Publication number
AT209790T
AT209790T AT93924954T AT93924954T AT209790T AT 209790 T AT209790 T AT 209790T AT 93924954 T AT93924954 T AT 93924954T AT 93924954 T AT93924954 T AT 93924954T AT 209790 T AT209790 T AT 209790T
Authority
AT
Austria
Prior art keywords
neumatic
display
stable chiral
chiral
stable
Prior art date
Application number
AT93924954T
Other languages
English (en)
Inventor
John West
Deng-Ke Yang
Original Assignee
Univ Kent State Ohio
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
Priority to PCT/US1992/009367 priority Critical patent/WO1993023496A1/en
Priority to US07/969,093 priority patent/US5437811A/en
Priority to US08/057,662 priority patent/US5453863A/en
Application filed by Univ Kent State Ohio filed Critical Univ Kent State Ohio
Priority to PCT/US1993/009999 priority patent/WO1994010260A1/en
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=AT209790(T) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Publication of AT209790T publication Critical patent/AT209790T/de

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00Liquid crystal materials
    • C09K19/02Liquid crystal materials characterised by optical, electrical or physical properties of the components, in general
    • C09K19/0208Twisted Nematic (T.N.); Super Twisted Nematic (S.T.N.); Optical Mode Interference (O.M.I.)
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00Liquid crystal materials
    • C09K19/52Liquid crystal materials characterised by components which are not liquid crystals, e.g. additives with special physical aspect: solvents, solid particles
    • C09K19/54Additives having no specific mesophase characterised by their chemical composition
    • C09K19/542Macromolecular compounds
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00Liquid crystal materials
    • C09K19/52Liquid crystal materials characterised by components which are not liquid crystals, e.g. additives with special physical aspect: solvents, solid particles
    • C09K19/54Additives having no specific mesophase characterised by their chemical composition
    • C09K19/542Macromolecular compounds
    • C09K19/544Macromolecular compounds as dispersing or encapsulating medium around the liquid crystal
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00Liquid crystal materials
    • C09K19/52Liquid crystal materials characterised by components which are not liquid crystals, e.g. additives with special physical aspect: solvents, solid particles
    • C09K19/58Dopants or charge transfer agents
    • C09K19/586Optically active dopants; chiral dopants
    • GPHYSICS
    • G02OPTICS
    • G02FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/137Devices 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
    • G02F1/13718Devices 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
    • GPHYSICS
    • G02OPTICS
    • G02FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1334Constructional arrangements; Manufacturing methods based on polymer dispersed liquid crystals, e.g. microencapsulated liquid crystals
    • G02F1/13345Network or three-dimensional gels
AT93924954T 1991-05-02 1993-10-19 MULTI-STABLE CHIRAL NEUMATIC DISPLAY DEVICE AT209790T (de)

Priority Applications (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 (1)

Publication Number Publication Date
AT209790T true AT209790T (de) 2001-12-15

Family

ID=27369301

Family Applications (1)

Application Number Title Priority Date Filing Date
AT93924954T AT209790T (de) 1991-05-02 1993-10-19 MULTI-STABLE CHIRAL NEUMATIC DISPLAY DEVICE

Country Status (5)

Country Link
EP (1) EP0742915B1 (de)
JP (1) JP3055697B2 (de)
AT (1) AT209790T (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
JP3551381B2 (ja) * 1992-05-18 2004-08-04 ケント ステイト ユニバーシティ 液晶光変調デバイスと物質
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
JP3055697B2 (ja) 2000-06-26
DE69331240T2 (de) 2002-06-27
DE69331240D1 (de) 2002-01-10
JPH08502837A (ja) 1996-03-26
EP0742915A1 (de) 1996-11-20
WO1994010260A1 (en) 1994-05-11
EP0742915B1 (de) 2001-11-28

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