GB1380641A - Electro-optic methods - Google Patents

Electro-optic methods

Info

Publication number
GB1380641A
GB1380641A GB11272A GB11272A GB1380641A GB 1380641 A GB1380641 A GB 1380641A GB 11272 A GB11272 A GB 11272A GB 11272 A GB11272 A GB 11272A GB 1380641 A GB1380641 A GB 1380641A
Authority
GB
United Kingdom
Prior art keywords
liquid crystal
less
cholesteryl
mbba
pbcro
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
GB11272A
Other languages
English (en)
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 GB1380641A publication Critical patent/GB1380641A/en
Expired legal-status Critical Current

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
    • C09K19/04Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
    • C09K19/36Steroidal liquid crystal 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
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/13731Devices 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
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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 
    • G02F1/17Devices 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
    • G02F1/172Devices 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 based on a suspension of orientable dipolar particles, e.g. suspended particles displays
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S359/00Optical: systems and elements
    • Y10S359/90Methods

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Liquid Crystal Substances (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
GB11272A 1971-01-06 1972-01-03 Electro-optic methods Expired GB1380641A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10436671A 1971-01-06 1971-01-06

Publications (1)

Publication Number Publication Date
GB1380641A true GB1380641A (en) 1975-01-15

Family

ID=22300116

Family Applications (1)

Application Number Title Priority Date Filing Date
GB11272A Expired GB1380641A (en) 1971-01-06 1972-01-03 Electro-optic methods

Country Status (5)

Country Link
US (1) US3697150A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS549500B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA963137A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2200079A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1380641A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3972733A (en) * 1971-01-29 1976-08-03 Agency Of Industrial Science & Technology Method for producing electrical energy by means of liquid crystal devices
US3951845A (en) * 1972-06-23 1976-04-20 General Electric Company Nematic liquid crystal mixtures having homogeneous boundary conditions and method of making the same
US3972589A (en) * 1972-06-23 1976-08-03 General Electric Company Nematic liquid crystal mixtures with stable homeotropic boundary conditions and methods of making the same
JPS5216468B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1972-09-05 1977-05-10
US3975285A (en) * 1972-10-30 1976-08-17 Hodogaya Chemical Co., Ltd. Liquid crystal composition
GB1433130A (en) * 1972-11-09 1976-04-22 Secr Defence Substituted biphenyl and polyphenyl compounds and liquid crystal materials and devices containing them
JPS49110581A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1973-02-23 1974-10-21
US3930719A (en) * 1973-04-09 1976-01-06 Xerox Corporation Edge brightness display and method using a material exhibiting dielectric anisotropy
CA1029940A (en) * 1973-04-20 1978-04-25 Matsushita Electric Industrial Co., Ltd. Liquid crystal display device
US3950264A (en) * 1973-05-07 1976-04-13 Rockwell International Corporation Schiff-base liquid crystals doped to raise dynamic scattering cutoff frequency
US3920576A (en) * 1973-05-07 1975-11-18 Rockwell International Corp Doping of nematic liquid crystal
US3857629A (en) * 1973-05-14 1974-12-31 Ibm Fast turn-off nematic liquid optical devices
US3922067A (en) * 1974-02-22 1975-11-25 Hitachi Ltd Electro-optical display device including an improved liquid crystal composition
US3942871A (en) * 1974-04-29 1976-03-09 Xerox Corporation Liquid crystalline optical filter
US3942872A (en) * 1974-04-29 1976-03-09 Xerox Corporation Liquid crystalline display
US3942870A (en) * 1974-04-29 1976-03-09 Xerox Corporation Liquid crystalline optical filter
US3942007A (en) * 1974-04-29 1976-03-02 Xerox Corporation Liquid crystalline image converter
US3943369A (en) * 1974-04-29 1976-03-09 Xerox Corporation Liquid crystalline information transfer
US3960439A (en) * 1974-09-16 1976-06-01 Xerox Corporation Texture transformations in optically negative liquid crystals
US4012118A (en) * 1974-09-16 1977-03-15 Xerox Corporation Texture transformations in optically negative liquid crystals
US4012121A (en) * 1974-09-16 1977-03-15 Xerox Corporation Texture transformations in optically negative liquid crystals
US4595259A (en) * 1984-01-19 1986-06-17 Xerox Corporation Transient state liquid crystal image bar for electrophotographic printers
JPH03248125A (ja) * 1990-02-26 1991-11-06 Sharp Corp 液晶表示素子
US7259744B2 (en) * 1995-07-20 2007-08-21 E Ink Corporation Dielectrophoretic displays
US7999787B2 (en) 1995-07-20 2011-08-16 E Ink Corporation Methods for driving electrophoretic displays using dielectrophoretic forces
US7583251B2 (en) 1995-07-20 2009-09-01 E Ink Corporation Dielectrophoretic displays
US6034752A (en) * 1997-03-22 2000-03-07 Kent Displays Incorporated Display device reflecting visible and infrared radiation
US6366330B1 (en) 1997-05-23 2002-04-02 Kent Displays Incorporated Cholesteric liquid crystal display that prevents image sticking
US6172720B1 (en) 1997-05-23 2001-01-09 Kent Displays Incorporated Low viscosity liquid crystal material
US20130063333A1 (en) 2002-10-16 2013-03-14 E Ink Corporation Electrophoretic displays
US11250794B2 (en) 2004-07-27 2022-02-15 E Ink Corporation Methods for driving electrophoretic displays using dielectrophoretic forces
US20060066803A1 (en) * 2004-09-30 2006-03-30 Aylward Peter T Substrate free flexible liquid crystal displays
US7201952B2 (en) * 2004-12-03 2007-04-10 Xerox Corporation Low voltage e-paper
US7195802B2 (en) * 2004-12-03 2007-03-27 Xerox Corporation Multi-color cholesteric liquid crystal display
DE102007022437A1 (de) * 2007-05-10 2008-11-13 Leonhard Kurz Gmbh & Co. Kg Verfahren zur Herstellung einer vernetzen Flüssigkristallschicht sowie Vorrichtung zur Durchführung des Verfahrens

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS422997Y1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1963-12-19 1967-02-22
US3551026A (en) * 1965-04-26 1970-12-29 Rca Corp Control of optical properties of materials with liquid crystals
US3519330A (en) * 1967-09-14 1970-07-07 Rca Corp Turnoff method and circuit for liquid crystal display element
US3575492A (en) * 1969-07-10 1971-04-20 Rca Corp Turnoff method and circuit for liquid crystal display element
US3575493A (en) * 1969-08-05 1971-04-20 Rca Corp Fast self-quenching of dynamic scattering in liquid crystal devices

Also Published As

Publication number Publication date
CA963137A (en) 1975-02-18
DE2200079A1 (de) 1972-07-27
US3697150A (en) 1972-10-10
JPS549500B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1979-04-25

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees