EP1028347A4 - Ecran a cristaux liquides et procede de pilotage dudit ecran - Google Patents

Ecran a cristaux liquides et procede de pilotage dudit ecran

Info

Publication number
EP1028347A4
EP1028347A4 EP98940621A EP98940621A EP1028347A4 EP 1028347 A4 EP1028347 A4 EP 1028347A4 EP 98940621 A EP98940621 A EP 98940621A EP 98940621 A EP98940621 A EP 98940621A EP 1028347 A4 EP1028347 A4 EP 1028347A4
Authority
EP
European Patent Office
Prior art keywords
driving
liquid crystal
same
crystal display
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.)
Withdrawn
Application number
EP98940621A
Other languages
German (de)
English (en)
Other versions
EP1028347A1 (fr
Inventor
Shinya Kondoh
Mie Ohara
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.)
Citizen Watch Co Ltd
Original Assignee
Citizen Watch Co Ltd
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 Citizen Watch Co Ltd filed Critical Citizen Watch Co Ltd
Publication of EP1028347A1 publication Critical patent/EP1028347A1/fr
Publication of EP1028347A4 publication Critical patent/EP1028347A4/fr
Withdrawn legal-status Critical Current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
    • 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
    • G09G3/3406—Control of illumination source
    • 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
    • G09G3/3633—Control of matrices with row and column drivers using a passive matrix using liquid crystals having memory effects, e.g. ferroelectric liquid crystals with transmission/voltage characteristic comprising multiple loops, e.g. antiferroelectric 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
    • G09G2310/0235—Field-sequential colour display
    • 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
    • G09G2310/061—Details of flat display driving waveforms for resetting or blanking
    • G09G2310/063—Waveforms for resetting the whole screen at once
    • 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
    • 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)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Liquid Crystal (AREA)
  • Liquid Crystal Display Device Control (AREA)
EP98940621A 1998-08-28 1998-08-28 Ecran a cristaux liquides et procede de pilotage dudit ecran Withdrawn EP1028347A4 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP1998/003859 WO2000013057A1 (fr) 1998-08-28 1998-08-28 Ecran a cristaux liquides et procede de pilotage dudit ecran

Publications (2)

Publication Number Publication Date
EP1028347A1 EP1028347A1 (fr) 2000-08-16
EP1028347A4 true EP1028347A4 (fr) 2005-08-31

Family

ID=14208881

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98940621A Withdrawn EP1028347A4 (fr) 1998-08-28 1998-08-28 Ecran a cristaux liquides et procede de pilotage dudit ecran

Country Status (2)

Country Link
EP (1) EP1028347A4 (fr)
WO (1) WO2000013057A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0992835B1 (fr) 1998-03-10 2005-01-12 Citizen Watch Co. Ltd. Afficheur a cristaux liquides anti-ferroelectriques et procede de commande
EP1721306A1 (fr) * 2004-02-24 2006-11-15 Koninklijke Philips Electronics N.V. Dispositif d'affichage a electrophorese
JP4809727B2 (ja) * 2006-07-28 2011-11-09 康 鈴木 単純マトリクスカラー液晶表示装置の駆動方法
EP3519728B1 (fr) 2016-09-29 2020-07-29 Lumileds Holding B.V. Ensemble formant éclairage avec diffuseur

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0632426A1 (fr) * 1993-06-30 1995-01-04 Sharp Kabushiki Kaisha Dispositif d'affichage à cristaux liquides et sa méthode de commande
JPH10133614A (ja) * 1996-11-05 1998-05-22 Citizen Watch Co Ltd 表示装置及びその駆動方法
WO1998027537A1 (fr) * 1996-12-19 1998-06-25 Colorado Microdisplay, Inc. Systeme d'affichage appliquant une tension de reference a des electrodes pixels avant d'afficher une nouvelle image

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2847331B2 (ja) * 1991-04-23 1999-01-20 キヤノン株式会社 液晶表示装置
JP3133414B2 (ja) * 1991-09-20 2001-02-05 日本電信電話株式会社 カラー液晶表示方式
JPH0854605A (ja) * 1994-08-15 1996-02-27 Citizen Watch Co Ltd 反強誘電性液晶ディスプレイの駆動方法
JPH0973067A (ja) * 1995-06-15 1997-03-18 Canon Inc 光学変調装置及び画像表示装置の駆動法
JPH10253943A (ja) * 1997-03-07 1998-09-25 Citizen Watch Co Ltd 反強誘電性液晶表示ディスプレイ

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0632426A1 (fr) * 1993-06-30 1995-01-04 Sharp Kabushiki Kaisha Dispositif d'affichage à cristaux liquides et sa méthode de commande
JPH10133614A (ja) * 1996-11-05 1998-05-22 Citizen Watch Co Ltd 表示装置及びその駆動方法
US6188379B1 (en) * 1996-11-05 2001-02-13 Citizen Watch Co., Ltd. Color display system and method of driving the same
WO1998027537A1 (fr) * 1996-12-19 1998-06-25 Colorado Microdisplay, Inc. Systeme d'affichage appliquant une tension de reference a des electrodes pixels avant d'afficher une nouvelle image

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 1998, no. 10 31 August 1998 (1998-08-31) *
See also references of WO0013057A1 *

Also Published As

Publication number Publication date
WO2000013057A1 (fr) 2000-03-09
EP1028347A1 (fr) 2000-08-16

Similar Documents

Publication Publication Date Title
GB2329061B (en) Liquid crystal display and method of manufacturing the same
GB2323959B (en) Liquid crystal display and method of manufacturing the same
GB2319889B (en) Liquid crystal display and method of manufacturing the same
GB2332769B (en) Liquid crystal display and fabrication method
EP0919849A4 (fr) Afficheur a cristaux liquides anti-ferroelectriques et son procede de commande
GB2311653B (en) Liquid crystal display and method for manufacturing the same
AU1260999A (en) Liquid crystal display device and its driving method
EP0894282A4 (fr) Affichage a cristaux liquides et procede associe
GB2318445B (en) Liquid crystal display and method for manufacturing the same
GB2339952B (en) Method of driving liquid crystal panel and apparatus thereof
GB2347778B (en) Method of driving liquid crystal display
GB9803979D0 (en) Source driver of liquid crystal display and method for driving the same
GB2370150B (en) Liquid crystal display and driving method thereof
GB2340283B (en) Liquid crystal display device and manufacturing method of the same
GB2368445B (en) Liquid crystal display and driving method thereof
GB2306747B (en) Liquid crystal display and method of manufacturing the same
GB2316793B (en) Liquid crystal display and method for manufacturing the same
EP1043618A4 (fr) Affichage a cristaux liquides ferroelectriques et procede de fonctionnement
EP0992835A4 (fr) Afficheur a cristaux liquides anti-ferroelectriques et procede de commande
GB2334610B (en) Driving method and driving circuit for ferroelectric liquid crystal display emement
GB2312092B (en) Liquid crystal display and method of manufacturing the same
EP1028347A4 (fr) Ecran a cristaux liquides et procede de pilotage dudit ecran
EP1026541A4 (fr) Afficheur a cristaux liquide et son procede de fabrication
GB2320605B (en) Liquid crystal display device and method of manufacturing the same
GB2332770B (en) Liquid crystal display element and driving method thereof

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19991208

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): DE FR GB NL

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: CITIZEN WATCH CO. LTD.

A4 Supplementary search report drawn up and despatched

Effective date: 20050715

RIC1 Information provided on ipc code assigned before grant

Ipc: 7G 09G 3/34 B

Ipc: 7G 09G 3/36 B

Ipc: 7G 02F 1/133 A

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20060119