FR2257968B1 - - Google Patents

Info

Publication number
FR2257968B1
FR2257968B1 FR7427155A FR7427155A FR2257968B1 FR 2257968 B1 FR2257968 B1 FR 2257968B1 FR 7427155 A FR7427155 A FR 7427155A FR 7427155 A FR7427155 A FR 7427155A FR 2257968 B1 FR2257968 B1 FR 2257968B1
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
FR7427155A
Other versions
FR2257968A1 (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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone 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
Priority claimed from JP8758073A external-priority patent/JPS5037452A/ja
Priority claimed from JP10036573A external-priority patent/JPS5338928B2/ja
Priority claimed from JP2620574A external-priority patent/JPS5342264B2/ja
Priority claimed from JP49065623A external-priority patent/JPS5749914B2/ja
Application filed by Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Publication of FR2257968A1 publication Critical patent/FR2257968A1/fr
Application granted granted Critical
Publication of FR2257968B1 publication Critical patent/FR2257968B1/fr
Expired 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
    • C09K19/36—Steroidal liquid crystal 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
    • 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
    • G02F1/13306—Circuit arrangements or driving methods for the control of single 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
    • G02F1/137—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

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (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)
  • Mathematical Physics (AREA)
  • Liquid Crystal (AREA)
FR7427155A 1973-08-06 1974-08-05 Expired FR2257968B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP8758073A JPS5037452A (fr) 1973-08-06 1973-08-06
JP10036573A JPS5338928B2 (fr) 1973-09-07 1973-09-07
JP2620574A JPS5342264B2 (fr) 1974-03-08 1974-03-08
JP49065623A JPS5749914B2 (fr) 1974-06-11 1974-06-11

Publications (2)

Publication Number Publication Date
FR2257968A1 FR2257968A1 (fr) 1975-08-08
FR2257968B1 true FR2257968B1 (fr) 1978-06-09

Family

ID=27458450

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7427155A Expired FR2257968B1 (fr) 1973-08-06 1974-08-05

Country Status (5)

Country Link
US (1) US3936815A (fr)
DE (1) DE2437516B2 (fr)
FR (1) FR2257968B1 (fr)
GB (1) GB1475735A (fr)
NL (1) NL162485C (fr)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5169327A (en) * 1974-12-03 1976-06-15 Canon Kk Ekishoku dosochi
JPS594713B2 (ja) * 1975-03-11 1984-01-31 シチズン時計株式会社 ヒヨウジセイギヨカイロ
DE2644449C3 (de) * 1976-10-01 1979-03-22 Siemens Ag, 1000 Berlin Und 8000 Muenchen Ansteuerverfahren für einen Anzeigeschirm mit einem zwischen den Zeilen und Spalten einer Leitermatrix befindlichen Medium, insbesondere einer Flüssigkristallschicht
GB1576106A (en) * 1976-11-25 1980-10-01 Secr Defence Temperature compensated liquid crystal devices
FR2382722A1 (fr) * 1977-03-02 1978-09-29 Seikosha Kk Procede de commande pour un dispositif d'affichage a cristal liquide
JPS5823607B2 (ja) * 1977-09-22 1983-05-16 シャープ株式会社 多層マトリツクス型液晶表示装置
NL169647B (nl) * 1977-10-27 1982-03-01 Philips Nv Weergeefinrichting met een vloeibaar kristal.
CH636208A5 (de) * 1978-07-13 1983-05-13 Bbc Brown Boveri & Cie Fluessigkristallanzeige.
US4380008A (en) * 1978-09-29 1983-04-12 Hitachi, Ltd. Method of driving a matrix type phase transition liquid crystal display device to obtain a holding effect and improved response time for the erasing operation
DE3035268C2 (de) * 1979-09-19 1983-01-20 Sharp K.K., Osaka Mehrschicht-Flüssigkristall-Anzeigetafel
US4717243A (en) * 1982-08-25 1988-01-05 American Telephone And Telegraph Company, At&T Bell Laboratories Bistable liquid crystal display utilizing priming voltages
EP0106386A3 (fr) * 1982-09-23 1985-03-13 BBC Brown Boveri AG Méthode de commande en multiplex d'un dispositif d'affichage à cristaux liquides bistables
JPS59129837A (ja) * 1983-01-14 1984-07-26 Canon Inc 時分割電圧印加方法及び装置
US4571585A (en) * 1983-03-17 1986-02-18 General Electric Company Matrix addressing of cholesteric liquid crystal display
US4655561A (en) * 1983-04-19 1987-04-07 Canon Kabushiki Kaisha Method of driving optical modulation device using ferroelectric liquid crystal
GB2149176B (en) * 1983-10-26 1988-07-13 Stc Plc Addressing liquid crystal displays
US4796981A (en) * 1983-11-26 1989-01-10 Canon Kabushiki Kaisha Optical element for modulation of light by heating a monomolecular film
JPS60220316A (ja) * 1984-04-16 1985-11-05 Canon Inc 液晶光学素子
JPS60249191A (ja) * 1984-05-24 1985-12-09 シチズン時計株式会社 表示駆動回路
JPS6152630A (ja) * 1984-08-22 1986-03-15 Hitachi Ltd 液晶素子の駆動方法
US4707078A (en) * 1985-04-26 1987-11-17 American Telephone And Telegraph Company, At&T Bell Laboratories Ferroelectric liquid crystal devices using field-stabilized states
GB8617593D0 (en) * 1986-07-18 1986-08-28 Stc Plc Display device
GB2194663B (en) * 1986-07-18 1990-06-20 Stc Plc Display device
US4786858A (en) * 1986-12-18 1988-11-22 Xerox Corporation Liquid crystal electrostatic voltmeter
JP2878913B2 (ja) * 1992-09-14 1999-04-05 株式会社ミツトヨ 変位測定装置
JP3219185B2 (ja) 1995-08-23 2001-10-15 キヤノン株式会社 電子発生装置、画像表示装置およびそれらの駆動回路、駆動方法
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
US6950086B2 (en) * 2000-04-03 2005-09-27 Optrex Corporation Driving method for a cholesteric liquid crystal display device having a memory mode of operation and a driving apparatus
TWI283310B (en) * 2001-12-06 2007-07-01 Optrex Kk Liquid crystal display element, information display, method for preparing it and method for using it
TWI282004B (en) * 2005-07-01 2007-06-01 Chunghwa Picture Tubes Ltd Liquid crystal display panel and liquid crystal display device
JP4754627B2 (ja) * 2006-03-30 2011-08-24 富士通株式会社 表示素子の駆動方法および表示装置

Family Cites Families (4)

* 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
JPS523560B1 (fr) * 1971-06-02 1977-01-28
US3790251A (en) * 1971-11-29 1974-02-05 Xerox Corp Holding field to improve the image retention of a cholesteric nematic phase transition liquid crystal imaging system

Also Published As

Publication number Publication date
FR2257968A1 (fr) 1975-08-08
US3936815A (en) 1976-02-03
DE2437516B2 (de) 1976-04-01
GB1475735A (en) 1977-06-01
NL7410389A (nl) 1975-02-10
DE2437516A1 (de) 1975-02-27
NL162485C (nl) 1980-05-16
NL162485B (nl) 1979-12-17

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Legal Events

Date Code Title Description
ST Notification of lapse