CH646564GA3 - - Google Patents

Download PDF

Info

Publication number
CH646564GA3
CH646564GA3 CH1318878A CH1318878A CH646564GA3 CH 646564G A3 CH646564G A3 CH 646564GA3 CH 1318878 A CH1318878 A CH 1318878A CH 1318878 A CH1318878 A CH 1318878A CH 646564G A3 CH646564G A3 CH 646564GA3
Authority
CH
Switzerland
Prior art keywords
composition
liquid crystal
frequency
output
display element
Prior art date
Application number
CH1318878A
Other languages
English (en)
French (fr)
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 JP16084477A external-priority patent/JPS5490994A/ja
Priority claimed from JP15931077A external-priority patent/JPS5492195A/ja
Application filed filed Critical
Publication of CH646564GA3 publication Critical patent/CH646564GA3/fr

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
    • G02F1/139—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 orientation effects in which the liquid crystal remains transparent
    • G02F1/1392—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 orientation effects in which the liquid crystal remains transparent using a field-induced sign-reversal of the dielectric anisotropy

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Liquid Crystal Display Device Control (AREA)
CH1318878A 1977-12-27 1978-12-27 CH646564GA3 (enExample)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP16084477A JPS5490994A (en) 1977-12-27 1977-12-27 Liquid crystal display unit
JP15931077A JPS5492195A (en) 1977-12-29 1977-12-29 Liquid crystal display unit

Publications (1)

Publication Number Publication Date
CH646564GA3 true CH646564GA3 (enExample) 1984-12-14

Family

ID=26486154

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1318878A CH646564GA3 (enExample) 1977-12-27 1978-12-27

Country Status (4)

Country Link
US (1) US4417785A (enExample)
CH (1) CH646564GA3 (enExample)
DE (1) DE2856134A1 (enExample)
GB (1) GB2013014B (enExample)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3140078A1 (de) * 1980-10-08 1982-04-22 Kabushiki Kaisha Suwa Seikosha, Tokyo Optische fluessigkristalleinrichtung und drucker, der eine solche optische einrichtung als lichtventil benutzt
DE3221462A1 (de) * 1981-06-18 1983-01-05 F. Hoffmann-La Roche & Co AG, 4002 Basel Fluessigkristallines gemisch
US4655561A (en) * 1983-04-19 1987-04-07 Canon Kabushiki Kaisha Method of driving optical modulation device using ferroelectric liquid crystal
JPS60104925A (ja) * 1983-11-14 1985-06-10 Nippon Denso Co Ltd 液晶素子駆動装置
US4688899A (en) * 1984-07-27 1987-08-25 Casio Computer Co., Ltd. Dual-frequency, dielectric anisotropy liquid crystal display
US4755812A (en) * 1984-08-31 1988-07-05 Casio Computer Co., Ltd. Method of driving a recording apparatus
DE3503958A1 (de) * 1985-02-06 1986-08-07 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren zum betrieb einer fluessigkristall-drehzelle
GB2173337B (en) * 1985-04-03 1989-01-11 Stc Plc Addressing liquid crystal cells
US4850676A (en) * 1985-07-31 1989-07-25 Seiko Epson Corporation Method for driving a liquid crystal element
US5010327A (en) * 1985-09-06 1991-04-23 Matsushita Electric Industrial Co., Ltd. Method of driving a liquid crystal matrix panel
US4848877A (en) * 1987-09-29 1989-07-18 Cambridge Research And Instrumentation, Inc. Liquid crystal devices and systems using such devices
JP3840856B2 (ja) * 1999-11-10 2006-11-01 セイコーエプソン株式会社 液晶パネルの駆動方法、液晶装置および電子機器
DE60319338T2 (de) * 2002-01-10 2009-02-19 Kent State University, Kent Material für eine flüssigkristallzelle
US7758773B2 (en) * 2002-01-10 2010-07-20 Kent State University Non-synthetic method for modifying properties of liquid crystals
JP5105694B2 (ja) * 2003-12-24 2012-12-26 株式会社半導体エネルギー研究所 表示装置及び電子機器
KR101222987B1 (ko) * 2007-05-11 2013-01-17 엘지디스플레이 주식회사 액정표시장치와 그 구동방법

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1426896A (en) * 1972-05-30 1976-03-03 Matsushita Electric Industrial Co Ltd Liquid crystal display system
US3857629A (en) * 1973-05-14 1974-12-31 Ibm Fast turn-off nematic liquid optical devices
US4009934A (en) * 1974-01-11 1977-03-01 Eastman Kodak Company Electro-optic display devices and methods
US3914022A (en) * 1974-07-02 1975-10-21 Gen Electric Quasi-homeotropic twisted nematic liquid crystal device
US4093356A (en) * 1977-02-14 1978-06-06 General Electric Company Transflective liquid crystal display
GB2010560A (en) * 1977-11-22 1979-06-27 Suwa Seikosha Kk Liquid crystal display arrangements

Also Published As

Publication number Publication date
US4417785A (en) 1983-11-29
GB2013014A (en) 1979-08-01
GB2013014B (en) 1982-06-30
DE2856134A1 (de) 1979-06-28

Similar Documents

Publication Publication Date Title
GB2013014B (en) Liquid crystal display device
KR930001743A (ko) 화면검사장치
DE3064970D1 (en) Device for driving and controlling the operation of an electro-optic data display, consisting of liquid crystal display elements (lcd device)
JPS522566A (en) Liquid crystal display element driving circuit
GB1410161A (en) Apparatus comprinsing an electro-optical device comprising a layer of nematic liquid crystal material
JPS5788433A (en) Guest-host liquid crystal display device
CH639811B (de) Fluessigkristall-anzeigezelle.
JPS5230470A (en) Electronic clock
JPS5492195A (en) Liquid crystal display unit
NL7801018A (nl) Weergeefinrichting met een vloeibaar kristal van het gast-gastheer-type.
JPS5332049A (en) Display device
FR2360145A1 (fr) Appareil destine a la memorisation d'images, par utilisation d'un cristal liquide smectique-a
KR970012278A (ko) 액정 디스플레이 구동회로
GB1463979A (en) Liquid crystal devices
JPS54155796A (en) Driving method for phase-transition type liquid-crystal display unit
FR2343269A1 (fr) Dispositif de reproduction d'image muni d'une couche de cristal liquide nematique
KR930006229B1 (ko) 시간지연 전원자동 차단회로
JPS5389894A (en) Display device
SU1136642A1 (ru) Оптический сумматор
JPS5472996A (en) Liquid-crystal display unit
JPS5854692U (ja) 液晶表示駆動装置
JPS5335564A (en) Liquid crystal display element
JPS5412762A (en) Field effect type liquid crystal display device
JPS5336196A (en) Reflection type display body
CA1028074A (en) Nematic liquid crystal displays for low voltage direct current operation