FR2472794B1 - - Google Patents

Info

Publication number
FR2472794B1
FR2472794B1 FR8027293A FR8027293A FR2472794B1 FR 2472794 B1 FR2472794 B1 FR 2472794B1 FR 8027293 A FR8027293 A FR 8027293A FR 8027293 A FR8027293 A FR 8027293A FR 2472794 B1 FR2472794 B1 FR 2472794B1
Authority
FR
France
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
Application number
FR8027293A
Other languages
French (fr)
Other versions
FR2472794A1 (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.)
Hosiden Electronics Co Ltd
Original Assignee
Hosiden Electronics Co Ltd
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 JP16801479A external-priority patent/JPS5689721A/ja
Priority claimed from JP16801579A external-priority patent/JPS5689790A/ja
Application filed by Hosiden Electronics Co Ltd filed Critical Hosiden Electronics Co Ltd
Publication of FR2472794A1 publication Critical patent/FR2472794A1/fr
Application granted granted Critical
Publication of FR2472794B1 publication Critical patent/FR2472794B1/fr
Granted 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
    • G09G3/04—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions
    • G09G3/16—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions by control of light from an independent source
    • G09G3/18—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions by control of light from an independent source using liquid crystals
    • 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
    • G02F1/1347—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells

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)
  • Mathematical Physics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Liquid Crystal Display Device Control (AREA)
FR8027293A 1979-12-24 1980-12-23 Dispositif d'affichage a cristal liquide Granted FR2472794A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP16801479A JPS5689721A (en) 1979-12-24 1979-12-24 Liquid crystal display device
JP16801579A JPS5689790A (en) 1979-12-24 1979-12-24 Channel display unit

Publications (2)

Publication Number Publication Date
FR2472794A1 FR2472794A1 (fr) 1981-07-03
FR2472794B1 true FR2472794B1 (ja) 1985-01-25

Family

ID=26491875

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8027293A Granted FR2472794A1 (fr) 1979-12-24 1980-12-23 Dispositif d'affichage a cristal liquide

Country Status (4)

Country Link
DE (1) DE3047146A1 (ja)
FR (1) FR2472794A1 (ja)
GB (1) GB2067813B (ja)
IT (1) IT1134883B (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JPH07104506B2 (ja) * 1989-03-14 1995-11-13 スタンレー電気株式会社 強誘電性液晶パネル
SE0000495D0 (sv) * 2000-02-16 2000-02-16 Torsten Lundberg Anordning för bildskärm

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2150001B2 (de) * 1971-10-07 1976-11-04 Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart Vorrichtung zur anzeige ds arbeitsprogrammes sowie des betriebszustandes von haushaltsmaschinen und -geraeten, insbesondere wasch- oder geschirrspuelmaschinen
DE2150621A1 (de) * 1971-10-11 1973-04-19 Rca Corp Steuerschaltung, insbesondere fuer eine fluessigkristallzelle
US4097128A (en) * 1975-04-24 1978-06-27 Tokyo Shibaura Electric Co., Ltd. Liquid crystal color display devices
JPS53101296A (en) * 1977-02-16 1978-09-04 Seiko Epson Corp Display unit

Also Published As

Publication number Publication date
GB2067813B (en) 1983-10-19
FR2472794A1 (fr) 1981-07-03
IT1134883B (it) 1986-08-20
IT8026912A0 (it) 1980-12-23
DE3047146C2 (ja) 1990-03-29
GB2067813A (en) 1981-07-30
DE3047146A1 (de) 1981-08-27

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Legal Events

Date Code Title Description
CD Change of name or company name
ST Notification of lapse