FR2499741A1 - Perfectionnements apportes aux dispositifs afficheurs a cristal liquide - Google Patents

Perfectionnements apportes aux dispositifs afficheurs a cristal liquide Download PDF

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Publication number
FR2499741A1
FR2499741A1 FR8102774A FR8102774A FR2499741A1 FR 2499741 A1 FR2499741 A1 FR 2499741A1 FR 8102774 A FR8102774 A FR 8102774A FR 8102774 A FR8102774 A FR 8102774A FR 2499741 A1 FR2499741 A1 FR 2499741A1
Authority
FR
France
Prior art keywords
electrodes
plate
counter
liquid crystal
electrode
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
FR8102774A
Other languages
English (en)
French (fr)
Other versions
FR2499741B3 (enExample
Inventor
Alain Boissier
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.)
Societe des Telephones Ericsson SA
Original Assignee
Societe des Telephones Ericsson 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 Societe des Telephones Ericsson SA filed Critical Societe des Telephones Ericsson SA
Priority to FR8102774A priority Critical patent/FR2499741A1/fr
Publication of FR2499741A1 publication Critical patent/FR2499741A1/fr
Application granted granted Critical
Publication of FR2499741B3 publication Critical patent/FR2499741B3/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
    • G02F1/134309—Electrodes characterised by their geometrical arrangement
    • G02F1/134336—Matrix
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
    • G09G3/3611—Control of matrices with row and column drivers
    • G09G3/3622—Control of matrices with row and column drivers using a passive matrix

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Geometry (AREA)
  • Mathematical Physics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
FR8102774A 1981-02-12 1981-02-12 Perfectionnements apportes aux dispositifs afficheurs a cristal liquide Granted FR2499741A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8102774A FR2499741A1 (fr) 1981-02-12 1981-02-12 Perfectionnements apportes aux dispositifs afficheurs a cristal liquide

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8102774A FR2499741A1 (fr) 1981-02-12 1981-02-12 Perfectionnements apportes aux dispositifs afficheurs a cristal liquide

Publications (2)

Publication Number Publication Date
FR2499741A1 true FR2499741A1 (fr) 1982-08-13
FR2499741B3 FR2499741B3 (enExample) 1983-12-09

Family

ID=9255126

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8102774A Granted FR2499741A1 (fr) 1981-02-12 1981-02-12 Perfectionnements apportes aux dispositifs afficheurs a cristal liquide

Country Status (1)

Country Link
FR (1) FR2499741A1 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2569293A1 (fr) * 1984-08-16 1986-02-21 Commissariat Energie Atomique Ecran matriciel polychrome sans couplage entre les lignes et les colonnes
US4602850A (en) * 1984-03-08 1986-07-29 Vidium, Inc. Light valve display having integrated driving circuits and shield electrode

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4602850A (en) * 1984-03-08 1986-07-29 Vidium, Inc. Light valve display having integrated driving circuits and shield electrode
FR2569293A1 (fr) * 1984-08-16 1986-02-21 Commissariat Energie Atomique Ecran matriciel polychrome sans couplage entre les lignes et les colonnes
EP0176384A1 (fr) * 1984-08-16 1986-04-02 Commissariat A L'energie Atomique Ecran matriciel polychrome sans couplage entre les lignes et les colonnes
US4737777A (en) * 1984-08-16 1988-04-12 Commissariat A L'energie Atomique Polychrome matrix screen without coupling between the rows and columns

Also Published As

Publication number Publication date
FR2499741B3 (enExample) 1983-12-09

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