BE868545A - Dispositif a cristal liquide servant a afficher directement des informations analogiques. - Google Patents

Dispositif a cristal liquide servant a afficher directement des informations analogiques.

Info

Publication number
BE868545A
BE868545A BE188912A BE188912A BE868545A BE 868545 A BE868545 A BE 868545A BE 188912 A BE188912 A BE 188912A BE 188912 A BE188912 A BE 188912A BE 868545 A BE868545 A BE 868545A
Authority
BE
Belgium
Prior art keywords
liquid crystal
crystal device
direct display
analogue information
analogue
Prior art date
Application number
BE188912A
Other languages
English (en)
Original Assignee
Crystaloid Electronics Cy
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 Crystaloid Electronics Cy filed Critical Crystaloid Electronics Cy
Publication of BE868545A publication Critical patent/BE868545A/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
    • 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

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)
  • Geometry (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
BE188912A 1977-06-29 1978-06-28 Dispositif a cristal liquide servant a afficher directement des informations analogiques. BE868545A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/811,308 US4193669A (en) 1977-06-29 1977-06-29 Liquid crystal device for direct display of analog information

Publications (1)

Publication Number Publication Date
BE868545A true BE868545A (fr) 1978-10-16

Family

ID=25206183

Family Applications (1)

Application Number Title Priority Date Filing Date
BE188912A BE868545A (fr) 1977-06-29 1978-06-28 Dispositif a cristal liquide servant a afficher directement des informations analogiques.

Country Status (6)

Country Link
US (1) US4193669A (fr)
JP (1) JPS5412600A (fr)
BE (1) BE868545A (fr)
CA (1) CA1098606A (fr)
DE (1) DE2828432A1 (fr)
GB (1) GB1598498A (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4365868A (en) * 1977-06-29 1982-12-28 Eaton Corporation Liquid crystal device for direct display of analog information
US4493531A (en) * 1980-07-03 1985-01-15 Control Interface Company Limited Field sensitive optical displays, generation of fields therefor and scanning thereof
JPS5834433A (ja) * 1981-08-25 1983-02-28 Optrex Corp 高信頼性電気光学素子及びその製法
JPS59193306A (ja) * 1983-04-19 1984-11-01 Mitsutoyo Mfg Co Ltd 寸法測定装置
US4662719A (en) * 1984-09-10 1987-05-05 International Business Machines Corporation Liquid crystal display and method for production
DE3750006T2 (de) * 1986-08-25 1994-10-06 Canon Kk Optische Modulationsvorrichtung.
DE4238581A1 (en) * 1991-11-20 1993-05-27 Wolf Henning Optical variable diffraction grating using controlled opto-electrical elements - uses liquid crystal cell with meandering electrode line structure applied to substrate plate providing line pattern
US5703617A (en) * 1993-10-18 1997-12-30 Crystal Semiconductor Signal driver circuit for liquid crystal displays
US5574475A (en) * 1993-10-18 1996-11-12 Crystal Semiconductor Corporation Signal driver circuit for liquid crystal displays

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH527427A (de) * 1971-02-15 1972-08-31 Bbc Brown Boveri & Cie Anordnung zur lokalen Änderung der optischen Eigenschaften einer Anzeigeschrift mittels einer Steuerspannung
DE2347613C2 (de) * 1972-09-22 1982-05-27 Dai Nippon Printing Co., Ltd., Tokyo Elektrooptisches Gerät
JPS50143496A (fr) * 1974-02-20 1975-11-18

Also Published As

Publication number Publication date
US4193669A (en) 1980-03-18
DE2828432A1 (de) 1979-01-11
CA1098606A (fr) 1981-03-31
JPS5412600A (en) 1979-01-30
GB1598498A (en) 1981-09-23

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: CRYSTALOID ELECTRONICS CY (ANCIENNEMENT DENOMMEE

Effective date: 19850628