FR2286458B3 - - Google Patents

Info

Publication number
FR2286458B3
FR2286458B3 FR7529428A FR7529428A FR2286458B3 FR 2286458 B3 FR2286458 B3 FR 2286458B3 FR 7529428 A FR7529428 A FR 7529428A FR 7529428 A FR7529428 A FR 7529428A FR 2286458 B3 FR2286458 B3 FR 2286458B3
Authority
FR
France
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
FR7529428A
Other languages
French (fr)
Other versions
FR2286458A1 (fr
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.)
Xerox Corp
Original Assignee
Xerox Corp
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 Xerox Corp filed Critical Xerox Corp
Publication of FR2286458A1 publication Critical patent/FR2286458A1/fr
Application granted granted Critical
Publication of FR2286458B3 publication Critical patent/FR2286458B3/fr
Granted 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
    • G02F1/137—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
    • G02F1/13731—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 field-induced phase transition
    • 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
    • C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
    • C09K19/06—Non-steroidal liquid crystal compounds
    • C09K19/08—Non-steroidal liquid crystal compounds containing at least two non-condensed rings
    • C09K19/10—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings
    • C09K19/22—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings linked by a chain containing carbon and nitrogen atoms as chain links, e.g. Schiff bases
    • 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
    • C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
    • C09K19/36—Steroidal liquid crystal compounds
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S359/00—Optical: systems and elements
    • Y10S359/90—Methods

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Nonlinear Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Liquid Crystal Substances (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
FR7529428A 1974-09-25 1975-09-25 Procede d'affichage a cristaux liquides Granted FR2286458A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/509,056 US3947183A (en) 1974-09-25 1974-09-25 Liquid crystal display system

Publications (2)

Publication Number Publication Date
FR2286458A1 FR2286458A1 (fr) 1976-04-23
FR2286458B3 true FR2286458B3 (US07601507-20091013-C00023.png) 1978-05-12

Family

ID=24025102

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7529428A Granted FR2286458A1 (fr) 1974-09-25 1975-09-25 Procede d'affichage a cristaux liquides

Country Status (7)

Country Link
US (1) US3947183A (US07601507-20091013-C00023.png)
JP (1) JPS5160542A (US07601507-20091013-C00023.png)
CA (1) CA1050642A (US07601507-20091013-C00023.png)
DE (1) DE2538186A1 (US07601507-20091013-C00023.png)
FR (1) FR2286458A1 (US07601507-20091013-C00023.png)
GB (1) GB1509571A (US07601507-20091013-C00023.png)
NL (1) NL7511323A (US07601507-20091013-C00023.png)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4106853A (en) * 1976-07-28 1978-08-15 Hughes Aircraft Company Method and apparatus for increasing contrast ratio of the stored image in a storage mode light valve
US4472026A (en) * 1982-05-06 1984-09-18 At&T Bell Laboratories Electrothermal matrix addressable liquid crystal display
US4556289A (en) * 1983-03-21 1985-12-03 Manchester R & D Partnership Low birefringence encapsulated liquid crystal and optical shutter using same
US5278684A (en) * 1986-12-11 1994-01-11 Fujitsu Limited Parallel aligned chiral nematic liquid crystal display element
US4824215A (en) * 1988-01-22 1989-04-25 Xtalite Technology Limited/La Technologie Xtalite Limitee Liquid crystal display apparatus
US5111316A (en) * 1990-08-09 1992-05-05 Western Publishing Company Liquid crystal writing state
US5115330A (en) * 1990-08-09 1992-05-19 Western Publishing Company Liquid crystal writing slate
US5117297A (en) * 1990-08-09 1992-05-26 Western Publishing Company Liquid crystal writing slate with DC imaging system
US5136404A (en) * 1990-08-09 1992-08-04 Western Publishing Company Liquid crystal writing slate with improved light-transmission retention
US5453863A (en) * 1991-05-02 1995-09-26 Kent State University Multistable chiral nematic displays
US5847798A (en) * 1991-05-02 1998-12-08 Kent State University Polymer stabilized black-white cholesteric reflective display
US5695682A (en) * 1991-05-02 1997-12-09 Kent State University Liquid crystalline light modulating device and material
KR100320567B1 (ko) * 1992-05-18 2002-06-20 액정광변조장치및재료
WO1994010260A1 (en) * 1992-10-30 1994-05-11 Kent State University Multistable chiral nematic displays
DE4328785A1 (de) * 1993-08-26 1995-03-02 Consortium Elektrochem Ind Optische Elemente mit abbildender farb- und polarisationsselektiver Reflexion enthaltend cholesterische Flüssigkristalle sowie Herstellung und Verwendung dieser Elemente
US5668614A (en) * 1995-05-01 1997-09-16 Kent State University Pixelized liquid crystal display materials including chiral material adopted to change its chirality upon photo-irradiation
US5933203A (en) * 1997-01-08 1999-08-03 Advanced Display Systems, Inc. Apparatus for and method of driving a cholesteric liquid crystal flat panel display
JP4502415B2 (ja) * 1998-04-14 2010-07-14 新日本石油株式会社 コレステリック液晶薄膜で覆われた微粒子
WO2016201422A1 (en) * 2015-06-12 2016-12-15 Kent State University Frequency-controlled electro-optical device
CN107924095A (zh) * 2015-06-12 2018-04-17 肯特州立大学 频率可控的电光装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3650603A (en) * 1967-12-05 1972-03-21 Rca Corp Liquid crystal light valve containing a mixture of nematic and cholesteric materials in which the light scattering effect is reduced when an electric field is applied
US3652148A (en) * 1969-05-05 1972-03-28 Xerox Corp Imaging system
US3703331A (en) * 1971-11-26 1972-11-21 Rca Corp Liquid crystal display element having storage

Also Published As

Publication number Publication date
CA1050642A (en) 1979-03-13
US3947183A (en) 1976-03-30
GB1509571A (en) 1978-05-04
JPS5160542A (US07601507-20091013-C00023.png) 1976-05-26
FR2286458A1 (fr) 1976-04-23
NL7511323A (nl) 1976-03-29
DE2538186A1 (de) 1976-04-15

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Legal Events

Date Code Title Description
ST Notification of lapse