DE69417000T2 - System zur Verbesserung der Formatveränderungen in ferroelektrischen Flüssigkristallanzeigen - Google Patents

System zur Verbesserung der Formatveränderungen in ferroelektrischen Flüssigkristallanzeigen

Info

Publication number
DE69417000T2
DE69417000T2 DE69417000T DE69417000T DE69417000T2 DE 69417000 T2 DE69417000 T2 DE 69417000T2 DE 69417000 T DE69417000 T DE 69417000T DE 69417000 T DE69417000 T DE 69417000T DE 69417000 T2 DE69417000 T2 DE 69417000T2
Authority
DE
Germany
Prior art keywords
improving
liquid crystal
crystal displays
ferroelectric liquid
format changes
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
DE69417000T
Other languages
English (en)
Other versions
DE69417000D1 (de
Inventor
Eiichi Matsuzaki
Taketo Hasegawa
Toshiyuki Nobutani
Masami Shimakura
Junichi Tanahashi
Kenichiro Ono
Hajime Morimoto
Tatsuya Sakashita
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 DE69417000D1 publication Critical patent/DE69417000D1/de
Publication of DE69417000T2 publication Critical patent/DE69417000T2/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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • G06F3/147—Digital output to display device ; Cooperation and interconnection of the display device with other functional units using display 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
    • 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
    • G09G3/364—Control of matrices with row and column drivers using a passive matrix using liquid crystals having memory effects, e.g. ferroelectric liquid crystals with use of subpixels
    • 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
    • G09G2310/0232—Special driving of display border areas
    • 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
    • G09G2320/00—Control of display operating conditions
    • G09G2320/04—Maintaining the quality of display appearance
    • G09G2320/041—Temperature compensation
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2370/00—Aspects of data communication
    • G09G2370/04—Exchange of auxiliary data, i.e. other than image data, between monitor and graphics controller
    • G09G2370/045—Exchange of auxiliary data, i.e. other than image data, between monitor and graphics controller using multiple communication channels, e.g. parallel and serial
    • 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
    • G09G3/2044—Display of intermediate tones using dithering
    • G09G3/2051—Display of intermediate tones using dithering with use of a spatial dither pattern
    • 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
    • G09G3/2059—Display of intermediate tones using error diffusion
    • 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
    • G09G3/2074—Display of intermediate tones using sub-pixels
DE69417000T 1994-01-11 1994-12-30 System zur Verbesserung der Formatveränderungen in ferroelektrischen Flüssigkristallanzeigen Expired - Fee Related DE69417000T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6012256A JP2902290B2 (ja) 1994-01-11 1994-01-11 表示制御システム

Publications (2)

Publication Number Publication Date
DE69417000D1 DE69417000D1 (de) 1999-04-15
DE69417000T2 true DE69417000T2 (de) 1999-08-26

Family

ID=11800293

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69417000T Expired - Fee Related DE69417000T2 (de) 1994-01-11 1994-12-30 System zur Verbesserung der Formatveränderungen in ferroelektrischen Flüssigkristallanzeigen

Country Status (4)

Country Link
US (1) US6140992A (de)
EP (1) EP0663660B1 (de)
JP (1) JP2902290B2 (de)
DE (1) DE69417000T2 (de)

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US6188378B1 (en) * 1995-06-02 2001-02-13 Canon Kabushiki Kaisha Display apparatus, display system, and display control method for display system
US6140985A (en) * 1995-06-05 2000-10-31 Canon Kabushiki Kaisha Image display apparatus
FR2776814B1 (fr) * 1998-03-26 2001-10-19 Alsthom Cge Alkatel Procede de controle d'un afficheur a cristaux liquides
US7425970B1 (en) 2000-11-08 2008-09-16 Palm, Inc. Controllable pixel border for a negative mode passive matrix display device
US6961029B1 (en) * 2000-11-08 2005-11-01 Palm, Inc. Pixel border for improved viewability of a display device
US7724270B1 (en) 2000-11-08 2010-05-25 Palm, Inc. Apparatus and methods to achieve a variable color pixel border on a negative mode screen with a passive matrix drive
JP2002287681A (ja) * 2001-03-27 2002-10-04 Mitsubishi Electric Corp 部分ホールド型表示制御装置及び部分ホールド型表示制御方法
JP2002311901A (ja) * 2001-04-11 2002-10-25 Sanyo Electric Co Ltd 表示装置
KR100429880B1 (ko) * 2001-09-25 2004-05-03 삼성전자주식회사 Ｌｃｄ 프레임 비율 제어 회로 및 방법과 ｌｃｄ 시스템
CN100339842C (zh) * 2002-10-09 2007-09-26 松下电器产业株式会社 信息处理器
JP2009128888A (ja) * 2007-11-28 2009-06-11 Sanyo Electric Co Ltd 液晶駆動回路
TWI597703B (zh) * 2015-10-08 2017-09-01 瑞鼎科技股份有限公司 顯示記錄資訊產生方法

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE8504760D0 (sv) * 1985-10-14 1985-10-14 Sven Torbjorn Lagerwall Electronic addressing of ferroelectric liquid crystal devices
JP2579933B2 (ja) * 1987-03-31 1997-02-12 キヤノン株式会社 表示制御装置
US4922241A (en) * 1987-03-31 1990-05-01 Canon Kabushiki Kaisha Display device for forming a frame on a display when the device operates in a block or line access mode
US5233446A (en) * 1987-03-31 1993-08-03 Canon Kabushiki Kaisha Display device
JP2670045B2 (ja) * 1987-03-31 1997-10-29 キヤノン株式会社 表示制御装置
JP2670044B2 (ja) * 1987-03-31 1997-10-29 キヤノン株式会社 表示制御装置
GB8726996D0 (en) * 1987-11-18 1987-12-23 Secr Defence Multiplex addressing of ferro-electric liquid crystal displays
US5499036A (en) * 1988-07-21 1996-03-12 Proxima Corporation Display control apparatus and method of using same
JP3126360B2 (ja) * 1989-09-01 2001-01-22 キヤノン株式会社 表示システム及びその表示制御方法
DE68926885T2 (de) * 1989-09-08 1997-01-09 Canon Kk Datenverarbeitungssystem mit Anzeigetafel
KR940004138B1 (en) * 1990-04-06 1994-05-13 Canon Kk Display apparatus
US5436636A (en) * 1990-04-20 1995-07-25 Canon Kabushiki Kaisha Display control device which restricts the start of partial updating in accordance with whether the number of lines to be updated exceeds a predetermined number
KR920006903A (ko) * 1990-09-27 1992-04-28 쯔지 하루오 액정표시 장치의 제어방법 및 표시 제어장치
JPH04242790A (ja) * 1991-01-08 1992-08-31 Toshiba Corp 電子機器
CA2060361A1 (en) * 1991-01-31 1992-08-01 Masao Fukuda Display control device
JPH0580720A (ja) * 1991-09-18 1993-04-02 Canon Inc 表示制御装置
JP2896006B2 (ja) * 1992-01-16 1999-05-31 三菱電機株式会社 画面表示装置の制御方式
EP0558342B1 (de) * 1992-02-28 1997-08-20 Canon Kabushiki Kaisha Verfahren und Einrichtung zur Kontrolle einer Anzeigeeinheit
DE69313925T2 (de) * 1992-05-19 1998-01-29 Canon Kk Verfahren und Einrichtung zur Steuerung einer Anzeige
JPH05323904A (ja) * 1992-05-19 1993-12-07 Canon Inc 表示制御装置及び表示制御方法
JP3173745B2 (ja) * 1992-07-24 2001-06-04 株式会社半導体エネルギー研究所 液晶表示装置
US5493648A (en) * 1993-03-23 1996-02-20 Hayes Microcomputer Products, Inc. Display update controller

Also Published As

Publication number Publication date
EP0663660A1 (de) 1995-07-19
JPH07210121A (ja) 1995-08-11
JP2902290B2 (ja) 1999-06-07
EP0663660B1 (de) 1999-03-10
DE69417000D1 (de) 1999-04-15
US6140992A (en) 2000-10-31

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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