ES2098286T3 - Aparato de cristal liquido. - Google Patents

Aparato de cristal liquido.

Info

Publication number
ES2098286T3
ES2098286T3 ES91114021T ES91114021T ES2098286T3 ES 2098286 T3 ES2098286 T3 ES 2098286T3 ES 91114021 T ES91114021 T ES 91114021T ES 91114021 T ES91114021 T ES 91114021T ES 2098286 T3 ES2098286 T3 ES 2098286T3
Authority
ES
Spain
Prior art keywords
liquid crystal
spontaneous polarization
electrode substrates
liquid glass
glass device
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 - Lifetime
Application number
ES91114021T
Other languages
English (en)
Inventor
Shuzo Kaneko
Ryoji Canon Kabushiki Fujiwara
Akio Yoshida
Tomoko Maruyama
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 JP03192048A external-priority patent/JP3143497B2/ja
Application filed by Canon Inc filed Critical Canon Inc
Application granted granted Critical
Publication of ES2098286T3 publication Critical patent/ES2098286T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G09G3/36—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
    • G09G3/3648—Control of matrices with row and column drivers using an active matrix
    • G09G3/3651—Control of matrices with row and column drivers using an active matrix using multistable liquid crystals, e.g. ferroelectric liquid crystals
    • 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
    • G09G2310/06—Details of flat display driving waveforms
    • 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
    • G09G2310/06—Details of flat display driving waveforms
    • G09G2310/061—Details of flat display driving waveforms for resetting or blanking
    • 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
    • G09G2310/06—Details of flat display driving waveforms
    • G09G2310/065—Waveforms comprising zero voltage phase or pause
    • 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
    • G09G3/2007—Display of intermediate tones
    • G09G3/2011—Display of intermediate tones by amplitude modulation
    • 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
    • G09G3/2007—Display of intermediate tones
    • G09G3/207—Display of intermediate tones by domain size control

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Liquid Crystal (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Liquid Crystal Substances (AREA)

Abstract

SE DESCRIBE UN APARATO DE CRISTAL LIQUIDO QUE INCLUYE UN PANEL DE CRISTAL LIQUIDO CON UN PAR DE ELECTRODOS Y UN CRISTAL LIQUIDO QUE MUESTRA UNA POLARIZACION ESPONTANEA Y DISPUESTO ENTRE EL PAR DE ELECTRODOS, ELEMENTOS PRIMARIOS PARA LA APLICACION DE UNA SEÑAL DE GRADACION DE VOLTAJE CORRESPONDIENTE A LA INFORMACION DE GRADACION DEL PAR DE ELECTRODOS, Y UNOS ELEMENTOS SECUNDARIOS PARA APLICAR, MEDIANTE UN COMPONENTE DE CORRIENTE CONTINUA QUE SIRVE COMO UN BIAS DE REVERSO PARA UN CAMPO ELECTRICO INTERNO GENERADO MEDIANTE LA APLICACION DE LA SEÑAL DE VOLTAJE DE GRADACION, AL CRISTAL LIQUIDO DURANTE UN PERIODO DE ESCANEO VERTICAL.
ES91114021T 1990-08-22 1991-08-21 Aparato de cristal liquido. Expired - Lifetime ES2098286T3 (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP22170990 1990-08-22
JP22171090 1990-08-22
JP03192048A JP3143497B2 (ja) 1990-08-22 1991-07-31 液晶装置

Publications (1)

Publication Number Publication Date
ES2098286T3 true ES2098286T3 (es) 1997-05-01

Family

ID=27326554

Family Applications (1)

Application Number Title Priority Date Filing Date
ES91114021T Expired - Lifetime ES2098286T3 (es) 1990-08-22 1991-08-21 Aparato de cristal liquido.

Country Status (4)

Country Link
EP (1) EP0717305B1 (es)
AT (2) ATE150570T1 (es)
DE (2) DE69125228T2 (es)
ES (1) ES2098286T3 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19732381A1 (de) * 1997-07-25 1999-01-28 Hoechst Ag Ferroelektrische Flüssigkristallanzeige mit aktiven Matrix Elementen

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3854751T2 (de) * 1987-06-12 1996-06-13 Canon Kk Vorrichtung mit einem ferroelektrischen Flüssigkristall.

Also Published As

Publication number Publication date
EP0717305A3 (en) 1996-11-20
DE69125228D1 (de) 1997-04-24
DE69133146T2 (de) 2004-02-05
ATE227437T1 (de) 2002-11-15
DE69125228T2 (de) 1997-08-28
DE69133146D1 (de) 2002-12-12
EP0717305B1 (en) 2002-11-06
EP0717305A2 (en) 1996-06-19
ATE150570T1 (de) 1997-04-15

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