FR2325131A1 - Dispositif d'affichage a cristal liquide comportant une couche de cristal liquide cholesterique bistable - Google Patents

Dispositif d'affichage a cristal liquide comportant une couche de cristal liquide cholesterique bistable

Info

Publication number
FR2325131A1
FR2325131A1 FR7627699A FR7627699A FR2325131A1 FR 2325131 A1 FR2325131 A1 FR 2325131A1 FR 7627699 A FR7627699 A FR 7627699A FR 7627699 A FR7627699 A FR 7627699A FR 2325131 A1 FR2325131 A1 FR 2325131A1
Authority
FR
France
Prior art keywords
liquid crystal
display device
device including
crystal display
crystal layer
Prior art date
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.)
Granted
Application number
FR7627699A
Other languages
English (en)
Other versions
FR2325131B1 (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.)
Siemens AG
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
Priority claimed from DE2542189A external-priority patent/DE2542189C3/de
Priority claimed from DE2542166A external-priority patent/DE2542166C3/de
Application filed by Siemens AG filed Critical Siemens AG
Publication of FR2325131A1 publication Critical patent/FR2325131A1/fr
Application granted granted Critical
Publication of FR2325131B1 publication Critical patent/FR2325131B1/fr
Granted 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
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1343—Electrodes
    • 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
    • G02F1/134336—Matrix
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Geometry (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Liquid Crystal Display Device Control (AREA)
FR7627699A 1975-09-22 1976-09-15 Dispositif d'affichage a cristal liquide comportant une couche de cristal liquide cholesterique bistable Granted FR2325131A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2542189A DE2542189C3 (de) 1975-09-22 1975-09-22 Flüssigkristallanzeige mit bistabiler cholesterinischer Flüssigkristall-Schicht
DE2542166A DE2542166C3 (de) 1975-09-22 1975-09-22 Flüssigkristallanzeige mit einer bistabilen cholesterinischen Flüssigkristallschicht

Publications (2)

Publication Number Publication Date
FR2325131A1 true FR2325131A1 (fr) 1977-04-15
FR2325131B1 FR2325131B1 (fr) 1980-07-04

Family

ID=25769425

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7627699A Granted FR2325131A1 (fr) 1975-09-22 1976-09-15 Dispositif d'affichage a cristal liquide comportant une couche de cristal liquide cholesterique bistable

Country Status (5)

Country Link
JP (1) JPS5240094A (fr)
CH (1) CH607195A5 (fr)
FR (1) FR2325131A1 (fr)
GB (1) GB1506331A (fr)
IT (1) IT1068534B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0008816A1 (fr) * 1978-08-30 1980-03-19 Koninklijke Philips Electronics N.V. Dispositif d'affichage à cristal liquide
EP0036678B1 (fr) * 1980-03-17 1985-05-15 Koninklijke Philips Electronics N.V. Dispositif d'affichage à cristal liquide

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53143248A (en) * 1977-05-19 1978-12-13 Sharp Corp Electrode production of liquid crystal display device
JPS53146651A (en) * 1977-05-25 1978-12-20 Sharp Corp Electrode production of liquid crystal display device
JPS57120470A (en) * 1981-01-19 1982-07-27 Seiko Epson Corp Liquid crystal light valve
JPS6150115A (ja) * 1985-08-01 1986-03-12 Seiko Epson Corp 液晶ライトバルブ

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2324091A1 (fr) * 1975-09-15 1977-04-08 Western Electric Co Memoire a condensateurs

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2324091A1 (fr) * 1975-09-15 1977-04-08 Western Electric Co Memoire a condensateurs

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0008816A1 (fr) * 1978-08-30 1980-03-19 Koninklijke Philips Electronics N.V. Dispositif d'affichage à cristal liquide
EP0036678B1 (fr) * 1980-03-17 1985-05-15 Koninklijke Philips Electronics N.V. Dispositif d'affichage à cristal liquide

Also Published As

Publication number Publication date
CH607195A5 (fr) 1978-11-30
FR2325131B1 (fr) 1980-07-04
GB1506331A (en) 1978-04-05
IT1068534B (it) 1985-03-21
JPS5240094A (en) 1977-03-28

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Legal Events

Date Code Title Description
ST Notification of lapse