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DE69020942T2 - Flüssigkristallanzeige. - Google Patents

Flüssigkristallanzeige.

Info

Publication number
DE69020942T2
DE69020942T2 DE69020942T DE69020942T DE69020942T2 DE 69020942 T2 DE69020942 T2 DE 69020942T2 DE 69020942 T DE69020942 T DE 69020942T DE 69020942 T DE69020942 T DE 69020942T DE 69020942 T2 DE69020942 T2 DE 69020942T2
Authority
DE
Germany
Prior art keywords
pulse
liquid crystal
scanning
phase
crystal display
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
DE69020942T
Other languages
German (de)
English (en)
Other versions
DE69020942D1 (de
Inventor
Yutaka C O Canon Kabushi Inaba
Osamu C O Canon Kabu Taniguchi
Akira C O Canon Kabu Tsuboyama
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
Publication of DE69020942D1 publication Critical patent/DE69020942D1/de
Application granted granted Critical
Publication of DE69020942T2 publication Critical patent/DE69020942T2/de
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
    • G09G3/36—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)
DE69020942T 1989-04-24 1990-04-23 Flüssigkristallanzeige. Expired - Fee Related DE69020942T2 (de)

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 (2)

Publication Number Publication Date
DE69020942D1 DE69020942D1 (de) 1995-08-24
DE69020942T2 true DE69020942T2 (de) 1995-11-23

Family

ID=14308464

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69020942T Expired - Fee Related DE69020942T2 (de) 1989-04-24 1990-04-23 Flüssigkristallanzeige.

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
DE69524013T2 (de) * 1994-09-12 2002-06-06 Canon K.K., Tokio/Tokyo Ansteuerung für eine Ferroelectrische Flüsigkristallvorichtung
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
JP2001506381A (ja) * 1997-10-20 2001-05-15 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 表示デバイス
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
DE69020942D1 (de) 1995-08-24
JPH02281233A (ja) 1990-11-16
EP0394903A2 (en) 1990-10-31
EP0394903A3 (en) 1991-09-18
ATE125380T1 (de) 1995-08-15
EP0394903B1 (en) 1995-07-19
ES2074493T3 (es) 1995-09-16
JP2652886B2 (ja) 1997-09-10

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee