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FR2584845B1 - Appareil a cristaux liquides et son procede de commande - Google Patents

Appareil a cristaux liquides et son procede de commande

Info

Publication number
FR2584845B1
FR2584845B1 FR8610203A FR8610203A FR2584845B1 FR 2584845 B1 FR2584845 B1 FR 2584845B1 FR 8610203 A FR8610203 A FR 8610203A FR 8610203 A FR8610203 A FR 8610203A FR 2584845 B1 FR2584845 B1 FR 2584845B1
Authority
FR
France
Prior art keywords
liquid crystal
control method
crystal apparatus
control
liquid
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.)
Expired - Fee Related
Application number
FR8610203A
Other languages
English (en)
Other versions
FR2584845A1 (fr
Inventor
Shingiro Okada
Tohru Takahashi
Hideyuki Kawagishi
Yutaka Inaba
Osamu Taniguchi
Ken Kanagawa
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.)
Canon Inc
Original Assignee
Canon Inc
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 JP60152320A external-priority patent/JPS6214115A/ja
Priority claimed from JP23356585A external-priority patent/JPS6294829A/ja
Priority claimed from JP23356485A external-priority patent/JPS6294828A/ja
Priority claimed from JP23356385A external-priority patent/JPS6294827A/ja
Priority claimed from JP60240663A external-priority patent/JPS62100738A/ja
Application filed by Canon Inc filed Critical Canon Inc
Publication of FR2584845A1 publication Critical patent/FR2584845A1/fr
Application granted granted Critical
Publication of FR2584845B1 publication Critical patent/FR2584845B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G09G3/3406—Control of illumination source
    • 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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133604—Direct backlight with lamps
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00—Command of the display device
    • G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00—Command of the display device
    • G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
    • G09G2310/0237—Switching ON and OFF the backlight within one frame
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0247—Flicker reduction other than flicker reduction circuits used for single beam cathode-ray tubes
    • 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
    • G09G3/3629—Control of matrices with row and column drivers using a passive matrix using liquid crystals having memory effects, e.g. ferroelectric liquid crystals

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Liquid Crystal (AREA)
FR8610203A 1985-07-12 1986-07-11 Appareil a cristaux liquides et son procede de commande Expired - Fee Related FR2584845B1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP60152320A JPS6214115A (ja) 1985-07-12 1985-07-12 強誘電性液晶装置
JP23356585A JPS6294829A (ja) 1985-10-21 1985-10-21 強誘電性液晶装置
JP23356485A JPS6294828A (ja) 1985-10-21 1985-10-21 強誘電性液晶装置
JP23356385A JPS6294827A (ja) 1985-10-21 1985-10-21 強誘電性液晶装置
JP60240663A JPS62100738A (ja) 1985-10-29 1985-10-29 液晶装置

Publications (2)

Publication Number Publication Date
FR2584845A1 FR2584845A1 (fr) 1987-01-16
FR2584845B1 true FR2584845B1 (fr) 1996-06-21

Family

ID=27527983

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8610203A Expired - Fee Related FR2584845B1 (fr) 1985-07-12 1986-07-11 Appareil a cristaux liquides et son procede de commande

Country Status (4)

Country Link
US (1) US4958915A (fr)
DE (1) DE3623514A1 (fr)
FR (1) FR2584845B1 (fr)
GB (1) GB2178581B (fr)

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JPS62125329A (ja) * 1985-11-27 1987-06-06 Hosiden Electronics Co Ltd 透過形表示装置
FR2597641B1 (fr) * 1986-04-22 1989-12-08 Thomson Csf Dispositif de modulation de la lumiere d'eclairement d'un ecran d'affichage electro-optique
US4791418A (en) * 1986-04-30 1988-12-13 Taliq Corporation Signal light
JP2933936B2 (ja) * 1988-11-22 1999-08-16 富士写真フイルム株式会社 多色感熱記録材料

Also Published As

Publication number Publication date
GB8616824D0 (en) 1986-08-20
DE3623514A1 (de) 1987-01-29
US4958915A (en) 1990-09-25
FR2584845A1 (fr) 1987-01-16
DE3623514C2 (fr) 1989-08-17
GB2178581A (en) 1987-02-11
GB2178581B (en) 1989-07-19

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