DE69219644D1 - Flüssigkristallanzeigevorrichtung - Google Patents

Flüssigkristallanzeigevorrichtung

Info

Publication number
DE69219644D1
DE69219644D1 DE69219644T DE69219644T DE69219644D1 DE 69219644 D1 DE69219644 D1 DE 69219644D1 DE 69219644 T DE69219644 T DE 69219644T DE 69219644 T DE69219644 T DE 69219644T DE 69219644 D1 DE69219644 D1 DE 69219644D1
Authority
DE
Germany
Prior art keywords
liquid crystal
ferroelectric liquid
voltage signal
display device
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
DE69219644T
Other languages
English (en)
Other versions
DE69219644T2 (de
Inventor
Shinjiro Okada
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 DE69219644D1 publication Critical patent/DE69219644D1/de
Publication of DE69219644T2 publication Critical patent/DE69219644T2/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
    • G09G3/3622—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
    • G09G3/3637—Control of matrices with row and column drivers using a passive matrix using liquid crystals having memory effects, e.g. ferroelectric liquid crystals with intermediate tones displayed by domain size control
    • 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
    • G09G2340/00—Aspects of display data processing
    • G09G2340/16—Determination of a pixel data signal depending on the signal applied in the previous 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
    • 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)
DE69219644T 1991-02-20 1992-02-19 Flüssigkristallanzeigevorrichtung Expired - Fee Related DE69219644T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3045624A JP2826776B2 (ja) 1991-02-20 1991-02-20 強誘電性液晶装置

Publications (2)

Publication Number Publication Date
DE69219644D1 true DE69219644D1 (de) 1997-06-19
DE69219644T2 DE69219644T2 (de) 1997-11-06

Family

ID=12724528

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69219644T Expired - Fee Related DE69219644T2 (de) 1991-02-20 1992-02-19 Flüssigkristallanzeigevorrichtung

Country Status (5)

Country Link
US (1) US6054971A (de)
EP (1) EP0503321B1 (de)
JP (1) JP2826776B2 (de)
AT (1) ATE153164T1 (de)
DE (1) DE69219644T2 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2293907A (en) * 1994-10-03 1996-04-10 Sharp Kk Drive scheme for liquid crystal display
GB2325555A (en) * 1997-05-20 1998-11-25 Sharp Kk Light modulating devices
JP3347678B2 (ja) 1998-06-18 2002-11-20 キヤノン株式会社 液晶素子とその駆動方法
US7002605B1 (en) * 2000-07-03 2006-02-21 Alps Electric Co., Ltd. Image display apparatus for fixing luminance of blank area and varying only luminance of image
US7248241B2 (en) * 2000-08-01 2007-07-24 Hannstar Display Corp. Method and apparatus for dynamic gray level switching
CN1245653C (zh) * 2001-05-29 2006-03-15 日立化成工业株式会社 电极结构
KR100878267B1 (ko) * 2002-05-08 2009-01-13 삼성전자주식회사 액정 표시 장치
JP2006292817A (ja) * 2005-04-06 2006-10-26 Renesas Technology Corp 表示駆動用半導体集積回路および自発光型表示装置を備えた電子機器
US7616179B2 (en) * 2006-03-31 2009-11-10 Canon Kabushiki Kaisha Organic EL display apparatus and driving method therefor

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59113420A (ja) * 1982-12-21 1984-06-30 Citizen Watch Co Ltd マトリクス表示装置の駆動方法
US4655561A (en) * 1983-04-19 1987-04-07 Canon Kabushiki Kaisha Method of driving optical modulation device using ferroelectric liquid crystal
US4763995A (en) * 1983-04-28 1988-08-16 Canon Kabushiki Kaisha Spacers with alignment effect and substrates having a weak alignment effect
US4531160A (en) * 1983-05-03 1985-07-23 Itek Corporation Display processor system and method
JPS60156043A (ja) * 1984-01-23 1985-08-16 Canon Inc カイラルスメクティック液晶素子
US4709995A (en) * 1984-08-18 1987-12-01 Canon Kabushiki Kaisha Ferroelectric display panel and driving method therefor to achieve gray scale
JPS6186732A (ja) * 1984-10-04 1986-05-02 Canon Inc 液晶装置
US4712877A (en) * 1985-01-18 1987-12-15 Canon Kabushiki Kaisha Ferroelectric display panel of varying thickness and driving method therefor
DE3605516A1 (de) * 1985-02-21 1986-09-04 Canon K.K., Tokio/Tokyo Optisches funktionselement sowie optische funktionsvorrichtung
US4941736A (en) * 1985-04-23 1990-07-17 Canon Kabushiki Kaisha Ferroelectric liquid crystal device and driving method therefor
JPS6232424A (ja) * 1985-08-05 1987-02-12 Canon Inc 液晶装置
JPH0679117B2 (ja) * 1985-09-30 1994-10-05 松下電器産業株式会社 光学変調スイッチの駆動方法
US4824218A (en) * 1986-04-09 1989-04-25 Canon Kabushiki Kaisha Optical modulation apparatus using ferroelectric liquid crystal and low-resistance portions of column electrodes
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
JP2505757B2 (ja) * 1986-07-23 1996-06-12 キヤノン株式会社 光学変調素子の駆動法
ES2053486T3 (es) * 1986-08-25 1994-08-01 Canon Kk Dispositivo de modulacion optica.
GB8623240D0 (en) * 1986-09-26 1986-10-29 Emi Plc Thorn Display device
ES2065327T3 (es) * 1987-10-26 1995-02-16 Canon Kk Aparato de control.
JPH0217893A (ja) * 1988-07-01 1990-01-22 Toshiba Corp 可変周波数変換装置のバイパス装置
AU617006B2 (en) * 1988-09-29 1991-11-14 Canon Kabushiki Kaisha Data processing system and apparatus
JPH02113477A (ja) * 1988-10-24 1990-04-25 Pfu Ltd キャリッジ暴走検出装置
US5225821A (en) * 1988-12-22 1993-07-06 Seiko Epson Corporation Method for driving an active matrix display and active matrix display
JP3143497B2 (ja) * 1990-08-22 2001-03-07 キヤノン株式会社 液晶装置
US5347294A (en) * 1991-04-17 1994-09-13 Casio Computer Co., Ltd. Image display apparatus

Also Published As

Publication number Publication date
US6054971A (en) 2000-04-25
DE69219644T2 (de) 1997-11-06
ATE153164T1 (de) 1997-05-15
JPH04264518A (ja) 1992-09-21
EP0503321B1 (de) 1997-05-14
EP0503321A1 (de) 1992-09-16
JP2826776B2 (ja) 1998-11-18

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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