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ES2074493T3 - Aparato de cristal liquido. - Google Patents

Aparato de cristal liquido.

Info

Publication number
ES2074493T3
ES2074493T3 ES90107631T ES90107631T ES2074493T3 ES 2074493 T3 ES2074493 T3 ES 2074493T3 ES 90107631 T ES90107631 T ES 90107631T ES 90107631 T ES90107631 T ES 90107631T ES 2074493 T3 ES2074493 T3 ES 2074493T3
Authority
ES
Spain
Prior art keywords
scanning
lines
pulse
data
liquid crystal
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
ES90107631T
Other languages
English (en)
Inventor
Osamu Taniguchi
Akira Tsuboyama
Yutaka Inaba
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
Application filed by Canon Inc filed Critical Canon Inc
Application granted granted Critical
Publication of ES2074493T3 publication Critical patent/ES2074493T3/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
    • G09G3/3674—Details of drivers for scan electrodes
    • 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
    • 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
    • G09G2310/0202—Addressing of scan or signal lines
    • G09G2310/0205—Simultaneous scanning of several lines in flat panels
    • 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
    • G09G2310/04—Partial updating of the display screen
    • 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
    • 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

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 Display Device Control (AREA)
  • Liquid Crystal (AREA)
  • Liquid Crystal Substances (AREA)

Abstract

UN APARATO DE CRISTAL LIQUIDO INCLUYE: UN DISPOSITIVO DE CRISTAL LIQUIDO FERROELECTRICO QUE COMPRENDE UNA MATRIZ DEL ELECTRODO QUE INCLUYE UNA DIVERSIDAD DE LINEAS DE EXPLORACION Y UNA VARIEDAD DE LINEAS DE DATOS QUE HACEN INTERSECCION CON LAS LINEAS DE EXPLORACION, Y UN CRISTAL LIQUIDO FERROELECTRICO COLOCADO ENTRE LAS LINEAS DE EXPLORACION Y LAS LINEAS DE DATOS, Y MEDIOS DE PROPULSION PARA APLICAR SECUENCIALMENTE UNA SEÑAL DE EXPLORACION A LAS LINEAS DE EXPLORACION PARA SELECCIONAR UNA LINEA DE EXPLORACION PARTICULAR, Y PARA APLICAR SEÑALES DE DATOS PARA LOS PUNTOS SOBRE LA LINEA DE EXPLORACION SELECCIONADA PARA LAS LINEAS DE DATOS; EN EL QUE CADA UNA DE LAS SEÑALES DE DATOS TIENE UNA VARIEDAD DE IMPULSOS, INCLUYENDO UN IMPULSO EN LA FASE CONTROLADA Y UN IMPULSO EN LA FASE AUXILIAR, Y LA SEÑAL DE EXPLORACION PARA LA LINEA DE EXPLORACION SELECCIONADA TIENE UN IMPULSO DE COMPENSACION PARA EQUILIBRAR EL IMPULSO EN LA FASE AUXILIAR DE UNA SEÑAL DE DATOS PARA UN PUNTO SOBRE LA LINEA DE EXPLORACION SELECCIONADA.
ES90107631T 1989-04-24 1990-04-23 Aparato de cristal liquido. Expired - Lifetime ES2074493T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1101733A JP2652886B2 (ja) 1989-04-24 1989-04-24 液晶装置の駆動方法

Publications (1)

Publication Number Publication Date
ES2074493T3 true ES2074493T3 (es) 1995-09-16

Family

ID=14308464

Family Applications (1)

Application Number Title Priority Date Filing Date
ES90107631T Expired - Lifetime ES2074493T3 (es) 1989-04-24 1990-04-23 Aparato de cristal liquido.

Country Status (5)

Country Link
EP (1) EP0394903B1 (es)
JP (1) JP2652886B2 (es)
AT (1) ATE125380T1 (es)
DE (1) DE69020942T2 (es)
ES (1) ES2074493T3 (es)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6271817B1 (en) 1991-03-20 2001-08-07 Seiko Epson Corporation Method of driving liquid crystal display device that reduces afterimages
JP3227197B2 (ja) * 1991-06-18 2001-11-12 キヤノン株式会社 表示装置
GB2271011A (en) * 1992-09-23 1994-03-30 Central Research Lab Ltd Greyscale addressing of ferroelectric liquid crystal displays.
KR0147590B1 (ko) * 1994-06-03 1998-12-01 윤종용 매트릭스형 액정표시소자 구동 장치 및 방법
EP0701241B1 (en) * 1994-09-12 2001-11-21 Canon Kabushiki Kaisha Driving method for a ferroelectric liquid crystal device
JP3286503B2 (ja) * 1994-09-28 2002-05-27 キヤノン株式会社 液晶素子の駆動法、及び該駆動法が用いられる液晶装置
US6018330A (en) * 1995-04-28 2000-01-25 Canon Kabushiki Kaisha Liquid crystal display apparatus
US6061044A (en) * 1995-05-30 2000-05-09 Canon Kabushiki Kaisha Liquid-crystal display apparatus
US5734365A (en) * 1996-01-25 1998-03-31 Canon Kabushiki Kaisha Liquid crystal display apparatus
US5903251A (en) * 1996-01-29 1999-05-11 Canon Kabushiki Kaisha Liquid crystal apparatus that changes a voltage level of a correction pulse based on a detected temperature
WO1999021161A2 (en) * 1997-10-20 1999-04-29 Koninklijke Philips Electronics N.V. Display device
DE102011007493B4 (de) * 2011-04-15 2015-07-02 BMG Gesellschaft für moderne Informationssysteme mbH Flüssigkristallanzeige und Verfahren zu deren Ansteuerung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4709995A (en) * 1984-08-18 1987-12-01 Canon Kabushiki Kaisha Ferroelectric display panel and driving method therefor to achieve gray scale
JP2505756B2 (ja) * 1986-07-22 1996-06-12 キヤノン株式会社 光学変調素子の駆動法
JP2531683B2 (ja) * 1987-06-08 1996-09-04 キヤノン株式会社 液晶装置
JP2768421B2 (ja) * 1987-08-31 1998-06-25 シャープ株式会社 強誘電性液晶表示装置の表示方法

Also Published As

Publication number Publication date
ATE125380T1 (de) 1995-08-15
JP2652886B2 (ja) 1997-09-10
EP0394903A2 (en) 1990-10-31
JPH02281233A (ja) 1990-11-16
EP0394903B1 (en) 1995-07-19
EP0394903A3 (en) 1991-09-18
DE69020942T2 (de) 1995-11-23
DE69020942D1 (de) 1995-08-24

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