FR2437039A1 - Dispositif d'affichage a cristaux liquides a fond masque - Google Patents

Dispositif d'affichage a cristaux liquides a fond masque

Info

Publication number
FR2437039A1
FR2437039A1 FR7923525A FR7923525A FR2437039A1 FR 2437039 A1 FR2437039 A1 FR 2437039A1 FR 7923525 A FR7923525 A FR 7923525A FR 7923525 A FR7923525 A FR 7923525A FR 2437039 A1 FR2437039 A1 FR 2437039A1
Authority
FR
France
Prior art keywords
mask
liquid crystal
layer
display device
crystal display
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.)
Withdrawn
Application number
FR7923525A
Other languages
English (en)
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of FR2437039A1 publication Critical patent/FR2437039A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Liquid Crystal (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

DISPOSITIF A CARACTERES TRES CONTRASTES. IL COMPREND: UNE COUCHE DE SOLUTION DE CRISTAUX LIQUIDES 12 AYANT DES SURFACES AVANT ET ARRIERE OPPOSEES 12A, 12B; -UN MASQUE 30 PLACE DE MANIERE ADJACENTE A L'UNE DES SURFACES DE CETTE COUCHE DE CRISTAUX LIQUIDES, CE MASQUE ETANT FORME DE MATERIAU HAUTEMENT REFLECHISSANT, ET CONTENANT AU MOINS UNE OUVERTURE LE TRAVERSANT, ET DE DIMENSION ET DE FORME TELLES QU'ELLES DEFINISSENT UN SEGMENT FORMANT CARACTERES; -AU MOINS UNE ELECTRODE 32 TRANSPARENTE, CHACUNE DE CELLES-CI COINCIDANT OPTIQUEMENT AVEC L'UNE DES OUVERTURES SE TROUVANT AU MOINS DANS CE MASQUE, ET LUI ETANT ASSOCIEE; ET -UN MOYEN 18 DE FORMER UNE AUTRE ELECTRODE, ADJACENT A L'AUTRE SURFACE DE LA COUCHE DE CRISTAUX LIQUIDES. APPLICATION A L'AFFICHAGE NUMERIQUE.
FR7923525A 1978-09-22 1979-09-21 Dispositif d'affichage a cristaux liquides a fond masque Withdrawn FR2437039A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US94476378A 1978-09-22 1978-09-22

Publications (1)

Publication Number Publication Date
FR2437039A1 true FR2437039A1 (fr) 1980-04-18

Family

ID=25482029

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7923525A Withdrawn FR2437039A1 (fr) 1978-09-22 1979-09-21 Dispositif d'affichage a cristaux liquides a fond masque

Country Status (4)

Country Link
JP (1) JPS5557886A (fr)
DE (1) DE2936618A1 (fr)
FR (1) FR2437039A1 (fr)
GB (1) GB2031211A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0070322A1 (fr) * 1981-02-03 1983-01-26 Mitsubishi Denki Kabushiki Kaisha Unite d'affichage a cristaux liquides

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3237323A1 (de) * 1982-10-08 1984-04-12 Robert Bosch Gmbh, 7000 Stuttgart Anzeigevorrichtung
JPS59129832A (ja) * 1983-01-18 1984-07-26 Canon Inc 光学変調装置
GB2153575B (en) * 1983-12-16 1988-07-27 Citizen Watch Co Ltd Liquid crystal display device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0070322A1 (fr) * 1981-02-03 1983-01-26 Mitsubishi Denki Kabushiki Kaisha Unite d'affichage a cristaux liquides
EP0070322A4 (fr) * 1981-02-03 1985-09-16 Mitsubishi Electric Corp Unite d'affichage a cristaux liquides.

Also Published As

Publication number Publication date
DE2936618A1 (de) 1980-04-03
JPS5557886A (en) 1980-04-30
GB2031211A (en) 1980-04-16

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Legal Events

Date Code Title Description
ST Notification of lapse