DE69415078D1 - Verfahren und Einrichtung zum Anzeigen von Halbtönen in einer ferroelektrischen Flüssigkristallanzeige mit Abtastung in Streifeneinheiten - Google Patents

Verfahren und Einrichtung zum Anzeigen von Halbtönen in einer ferroelektrischen Flüssigkristallanzeige mit Abtastung in Streifeneinheiten

Info

Publication number
DE69415078D1
DE69415078D1 DE69415078T DE69415078T DE69415078D1 DE 69415078 D1 DE69415078 D1 DE 69415078D1 DE 69415078 T DE69415078 T DE 69415078T DE 69415078 T DE69415078 T DE 69415078T DE 69415078 D1 DE69415078 D1 DE 69415078D1
Authority
DE
Germany
Prior art keywords
scanning
liquid crystal
crystal display
ferroelectric liquid
strip units
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
DE69415078T
Other languages
English (en)
Other versions
DE69415078T2 (de
Inventor
Shuntaro Aratani
Masamichi Ohshima
Kazumi Suga
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 JP12250293A external-priority patent/JP3209379B2/ja
Priority claimed from JP05122501A external-priority patent/JP3106033B2/ja
Application filed by Canon Inc filed Critical Canon Inc
Application granted granted Critical
Publication of DE69415078D1 publication Critical patent/DE69415078D1/de
Publication of DE69415078T2 publication Critical patent/DE69415078T2/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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40—Picture signal circuits
    • H04N1/405—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels
    • H04N1/4051—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a dispersed dots halftone pattern, the dots having substantially the same size
    • H04N1/4052—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a dispersed dots halftone pattern, the dots having substantially the same size by error diffusion, i.e. transferring the binarising error to neighbouring dot decisions
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Controls And Circuits For Display Device (AREA)
DE69415078T 1993-05-25 1994-05-24 Verfahren und Einrichtung zum Anzeigen von Halbtönen in einer ferroelektrischen Flüssigkristallanzeige mit Abtastung in Streifeneinheiten Expired - Fee Related DE69415078T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP12250293A JP3209379B2 (ja) 1993-05-25 1993-05-25 画像処理装置及びその方法
JP05122501A JP3106033B2 (ja) 1993-05-25 1993-05-25 表示制御装置

Publications (2)

Publication Number Publication Date
DE69415078D1 true DE69415078D1 (de) 1999-01-21
DE69415078T2 DE69415078T2 (de) 1999-06-02

Family

ID=26459606

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69415078T Expired - Fee Related DE69415078T2 (de) 1993-05-25 1994-05-24 Verfahren und Einrichtung zum Anzeigen von Halbtönen in einer ferroelektrischen Flüssigkristallanzeige mit Abtastung in Streifeneinheiten

Country Status (3)

Country Link
US (1) US5701135A (de)
EP (1) EP0626672B1 (de)
DE (1) DE69415078T2 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3524122B2 (ja) * 1993-05-25 2004-05-10 キヤノン株式会社 表示制御装置
KR100337866B1 (ko) * 1995-09-06 2002-11-04 삼성에스디아이 주식회사 매트릭스형 액정 표시 소자의 다계조 표시 구동 방법
KR0155890B1 (ko) * 1995-09-28 1998-12-15 윤종용 화상 표시 장치의 다계조 표시 구동 방법
JP3620943B2 (ja) * 1997-01-20 2005-02-16 富士通株式会社 表示方法及び表示装置
KR100222989B1 (ko) * 1997-07-04 1999-10-01 윤종용 셔틀 방식의 독취 장치에서 독취된 이미지를 이진화하기 위한 이미지 처리 장치 및 방법
US6630599B1 (en) 1998-01-06 2003-10-07 Cytec Technology Corp. Process for preparing derivatives of isopropenyl-α, α-dimethylbenzyl isocyanate
EP1160759A3 (de) * 2000-05-31 2008-11-26 Panasonic Corporation Bildausgabevorrichtung und Verfahren zur Steuerung der Bildausgabe
GB2387817A (en) 2002-04-27 2003-10-29 Hewlett Packard Co Page wide array inkjet printer having halftone controller and multiple printheads, each printing different image strips.
US7450270B2 (en) 2004-01-16 2008-11-11 Hewlett-Packard Development Company, L.P. Image data processing methods, hard imaging devices, and articles of manufacture
JP2006229928A (ja) * 2005-01-18 2006-08-31 Seiko Epson Corp 画像処理装置、画像処理プログラム及び画像処理方法、印刷装置、印刷装置制御プログラム及び印刷装置制御方法、印刷用データ生成装置、印刷用データ生成プログラム及び印刷用データ生成方法、並びに表示装置、表示装置制御プログラム及び表示装置制御方法
JP4544141B2 (ja) * 2005-11-18 2010-09-15 セイコーエプソン株式会社 画像処理装置、プリンタドライバ、印刷システム、プログラム
JP4204600B2 (ja) * 2006-04-03 2009-01-07 シャープ株式会社 画像処理装置、誤差拡散処理方法、及びプログラム
WO2008108075A1 (ja) * 2007-03-01 2008-09-12 Panasonic Corporation 画像表示装置
US20100188678A1 (en) * 2009-01-29 2010-07-29 Canon Kabushiki Kaisha Image processing apparatus, printing apparatus, and image processing method
US20110285713A1 (en) * 2010-05-21 2011-11-24 Jerzy Wieslaw Swic Processing Color Sub-Pixels
EP2388773A3 (de) * 2010-05-21 2012-09-26 Seiko Epson Corporation Verarbeitung von Farb-Unterpixeln

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4958236A (en) * 1987-06-11 1990-09-18 Canon Kabushiki Kaisha Image processing method and apparatus therefor
CA1319767C (en) * 1987-11-26 1993-06-29 Canon Kabushiki Kaisha Display apparatus
AU617006B2 (en) * 1988-09-29 1991-11-14 Canon Kabushiki Kaisha Data processing system and apparatus
EP0395404B1 (de) * 1989-04-27 1999-12-01 Canon Kabushiki Kaisha Bildverarbeitungsvorrichtung
JPH03248674A (ja) * 1990-02-27 1991-11-06 Casio Comput Co Ltd 中間調画像処理装置
DE69227165T2 (de) * 1991-08-02 1999-04-29 Canon K.K., Tokio/Tokyo Anzeigesteuergerät
US5613103A (en) * 1992-05-19 1997-03-18 Canon Kabushiki Kaisha Display control system and method for controlling data based on supply of data
JP3245229B2 (ja) * 1992-09-04 2002-01-07 キヤノン株式会社 表示制御装置および表示制御方法
DE69322580T2 (de) * 1992-09-04 1999-06-17 Canon K.K., Tokio/Tokyo Verfahren und Einrichtung zur Steuerung einer Anzeige

Also Published As

Publication number Publication date
EP0626672B1 (de) 1998-12-09
US5701135A (en) 1997-12-23
EP0626672A3 (de) 1995-03-08
DE69415078T2 (de) 1999-06-02
EP0626672A2 (de) 1994-11-30

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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