BE770676A - Ecran d'affichage a couche cristalline liquide et procede pour sa fabrication - Google Patents

Ecran d'affichage a couche cristalline liquide et procede pour sa fabrication

Info

Publication number
BE770676A
BE770676A BE770676A BE770676A BE770676A BE 770676 A BE770676 A BE 770676A BE 770676 A BE770676 A BE 770676A BE 770676 A BE770676 A BE 770676A BE 770676 A BE770676 A BE 770676A
Authority
BE
Belgium
Prior art keywords
manufacturing
display screen
liquid crystalline
crystalline layer
layer display
Prior art date
Application number
BE770676A
Other languages
English (en)
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of BE770676A publication Critical patent/BE770676A/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
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/135—Liquid crystal cells structurally associated with a photoconducting or a ferro-electric layer, the properties of which can be optically or electrically varied
    • G02F1/1358—Liquid crystal cells structurally associated with a photoconducting or a ferro-electric layer, the properties of which can be optically or electrically varied the supplementary layer being a ferro-electric layer

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
BE770676A 1970-07-29 1971-07-29 Ecran d'affichage a couche cristalline liquide et procede pour sa fabrication BE770676A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702037676 DE2037676B2 (de) 1970-07-29 1970-07-29 Anzeigeschirm mit einer fluessigkeristallschicht sowie verfahren zu dessen herstellung

Publications (1)

Publication Number Publication Date
BE770676A true BE770676A (fr) 1972-01-31

Family

ID=5778275

Family Applications (1)

Application Number Title Priority Date Filing Date
BE770676A BE770676A (fr) 1970-07-29 1971-07-29 Ecran d'affichage a couche cristalline liquide et procede pour sa fabrication

Country Status (9)

Country Link
US (1) US3725899A (fr)
BE (1) BE770676A (fr)
CH (1) CH532303A (fr)
DE (1) DE2037676B2 (fr)
FR (1) FR2099366A5 (fr)
GB (1) GB1326685A (fr)
LU (1) LU63620A1 (fr)
NL (1) NL7110199A (fr)
SE (1) SE372125B (fr)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5327938B2 (fr) * 1971-12-17 1978-08-11
US3794405A (en) * 1972-02-10 1974-02-26 J Masi Liquid crystal cell and method for its manufacture
US3891981A (en) * 1973-02-20 1975-06-24 Olivetti & Co Spa Drive circuit for a liquid crystal display
NL7303674A (fr) * 1973-03-16 1974-09-18
US3981087A (en) * 1973-10-11 1976-09-21 Sachs Thomas D Teaching machine
GB1525405A (en) * 1974-10-14 1978-09-20 Hitachi Ltd Liquid crystal display panels
US4040720A (en) * 1975-04-21 1977-08-09 Rockwell International Corporation Ferroelectric liquid crystal display
US4233603A (en) * 1978-11-16 1980-11-11 General Electric Company Multiplexed varistor-controlled liquid crystal display
JPS62124525A (ja) * 1985-11-25 1987-06-05 Semiconductor Energy Lab Co Ltd 液晶装置
JPS62159124A (ja) * 1986-01-07 1987-07-15 Semiconductor Energy Lab Co Ltd 液晶装置
DE3751311T2 (de) * 1986-02-17 1995-09-28 Sel Semiconductor Energy Laboratory Co., Ltd., Atsugi, Kanagawa Flüssigkristallvorrichtung mit einer Ladungs-Speicherstruktur.
FR2599171B1 (fr) * 1986-05-20 1989-12-08 Thomson Csf Ecran de visualisation electrooptique et procede de realisation
US5016982A (en) * 1986-07-22 1991-05-21 Raychem Corporation Liquid crystal display having a capacitor for overvoltage protection
US4850680A (en) * 1986-09-19 1989-07-25 Semiconductor Energy Laboratory Co., Ltd. Liquid crystal device with a ferroelectric film
US5434811A (en) * 1987-11-19 1995-07-18 National Semiconductor Corporation Non-destructive read ferroelectric based memory circuit
US5268777A (en) * 1987-12-23 1993-12-07 Seiko Epson Corporation Driving method of active matrix display having ferroelectric layer as active layer
US5282069A (en) * 1987-12-23 1994-01-25 Seiko Epson Corporation Active device and active matrix display having ferroelectric layer as active layer
EP0321962B1 (fr) * 1987-12-23 1994-08-03 Seiko Epson Corporation Dispositif d'affichage élecrooptique à cristaux liquides à matrice active et sa méthode de commande
US5225821A (en) * 1988-12-22 1993-07-06 Seiko Epson Corporation Method for driving an active matrix display and active matrix display
US5499127A (en) * 1992-05-25 1996-03-12 Sharp Kabushiki Kaisha Liquid crystal display device having a larger gap between the substrates in the display area than in the sealant area
JP3173745B2 (ja) * 1992-07-24 2001-06-04 株式会社半導体エネルギー研究所 液晶表示装置
DE69413624T2 (de) * 1993-07-27 1999-05-06 Sharp K.K., Osaka Flüssigkristall-Anzeigevorrichtung
KR100270147B1 (ko) * 1996-03-01 2000-10-16 니시무로 타이죠 액정표시장치
US5973762A (en) * 1998-06-04 1999-10-26 Kent State University Ferroelectric liquid crystal cell with a monochevron structure of smectic layers

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3258644A (en) * 1966-06-28 Light emitting display panels
NL207561A (fr) * 1955-05-31
US2998546A (en) * 1960-01-13 1961-08-29 Westinghouse Electric Corp Display device
US3290554A (en) * 1962-12-17 1966-12-06 Edgar A Sack Electroluminescent display screen and circuit therefor
US3197744A (en) * 1963-12-04 1965-07-27 Rca Corp Ferroelectric storage circuits
US3410999A (en) * 1965-06-29 1968-11-12 Westinghouse Electric Corp Display system utilizing a liquid crystalline material of the cholesteric phase
US3440620A (en) * 1966-01-10 1969-04-22 Rca Corp Electro-optical memory
US3499704A (en) * 1967-09-14 1970-03-10 Atomic Energy Commission Ferroelectric ceramic electro-optical device
US3499702A (en) * 1967-12-05 1970-03-10 Rca Corp Nematic liquid crystal mixtures for use in a light valve
US3551689A (en) * 1969-03-21 1970-12-29 Rca Corp Alternating current driven load circuit

Also Published As

Publication number Publication date
GB1326685A (en) 1973-08-15
SE372125B (fr) 1974-12-09
US3725899A (en) 1973-04-03
DE2037676A1 (de) 1972-02-10
LU63620A1 (fr) 1972-04-04
DE2037676B2 (de) 1973-04-12
CH532303A (de) 1972-12-31
FR2099366A5 (fr) 1972-03-10
NL7110199A (fr) 1972-02-01

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