CH639791A5 - Cellule d'affichage electro-optique passif. - Google Patents

Cellule d'affichage electro-optique passif. Download PDF

Info

Publication number
CH639791A5
CH639791A5 CH689780A CH689780A CH639791A5 CH 639791 A5 CH639791 A5 CH 639791A5 CH 689780 A CH689780 A CH 689780A CH 689780 A CH689780 A CH 689780A CH 639791 A5 CH639791 A5 CH 639791A5
Authority
CH
Switzerland
Prior art keywords
electrodes
screen
electrode
openings
cell
Prior art date
Application number
CH689780A
Other languages
English (en)
French (fr)
Inventor
Hubert Portmann
Original Assignee
Asulab Sa
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 Asulab Sa filed Critical Asulab Sa
Priority to CH689780A priority Critical patent/CH639791A5/fr
Priority to FR8023079A priority patent/FR2490379A1/fr
Priority to US06/298,495 priority patent/US4429955A/en
Priority to DE3135446A priority patent/DE3135446A1/de
Priority to GB8127548A priority patent/GB2084373B/en
Priority to JP56144096A priority patent/JPS5782884A/ja
Publication of CH639791A5 publication Critical patent/CH639791A5/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
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1343—Electrodes
    • G02F1/134309—Electrodes characterised by their geometrical arrangement
    • G02F1/134327—Segmented, e.g. alpha numeric display

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Geometry (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)
CH689780A 1980-09-15 1980-09-15 Cellule d'affichage electro-optique passif. CH639791A5 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CH689780A CH639791A5 (fr) 1980-09-15 1980-09-15 Cellule d'affichage electro-optique passif.
FR8023079A FR2490379A1 (fr) 1980-09-15 1980-10-28 Cellule d'affichage electro-optique passif
US06/298,495 US4429955A (en) 1980-09-15 1981-09-01 Passive electro-optical display with screen and control electrodes
DE3135446A DE3135446A1 (de) 1980-09-15 1981-09-08 "passive elektro-optische anzeigezelle"
GB8127548A GB2084373B (en) 1980-09-15 1981-09-11 Passive electro-optical display cell
JP56144096A JPS5782884A (en) 1980-09-15 1981-09-14 Passive electricity-optical indication cell

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH689780A CH639791A5 (fr) 1980-09-15 1980-09-15 Cellule d'affichage electro-optique passif.

Publications (1)

Publication Number Publication Date
CH639791A5 true CH639791A5 (fr) 1983-11-30

Family

ID=4316779

Family Applications (1)

Application Number Title Priority Date Filing Date
CH689780A CH639791A5 (fr) 1980-09-15 1980-09-15 Cellule d'affichage electro-optique passif.

Country Status (6)

Country Link
US (1) US4429955A (enExample)
JP (1) JPS5782884A (enExample)
CH (1) CH639791A5 (enExample)
DE (1) DE3135446A1 (enExample)
FR (1) FR2490379A1 (enExample)
GB (1) GB2084373B (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4542960A (en) * 1982-06-30 1985-09-24 International Business Machines Corporation Fringe-field switched storage-effect liquid crystal display devices
US4602850A (en) * 1984-03-08 1986-07-29 Vidium, Inc. Light valve display having integrated driving circuits and shield electrode
US4790631A (en) * 1987-01-05 1988-12-13 Semiconductor Energy Laboratory Co., Ltd. Liquid crystal device with ferroelectric liquid crystal adapted for unipolar driving
EP1186968A4 (en) * 1999-03-25 2004-05-12 Citizen Watch Co Ltd WATCH WITH LIQUID CRYSTAL DISPLAY PANEL

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3647280A (en) * 1969-11-06 1972-03-07 Rca Corp Liquid crystal display device
US3897996A (en) * 1972-09-30 1975-08-05 Dainippon Printing Co Ltd Electro-optic display device
US3787834A (en) 1972-12-29 1974-01-22 Ibm Liquid crystal display system
US4277786A (en) 1979-07-19 1981-07-07 General Electric Company Multi-electrode liquid crystal displays

Also Published As

Publication number Publication date
US4429955A (en) 1984-02-07
DE3135446A1 (de) 1982-04-15
GB2084373B (en) 1984-04-11
JPS5782884A (en) 1982-05-24
FR2490379A1 (fr) 1982-03-19
FR2490379B1 (enExample) 1985-02-15
GB2084373A (en) 1982-04-07

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Legal Events

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PL Patent ceased