EP0196905A3 - Adressage de cellules à cristaux liquides - Google Patents

Adressage de cellules à cristaux liquides Download PDF

Info

Publication number
EP0196905A3
EP0196905A3 EP86302382A EP86302382A EP0196905A3 EP 0196905 A3 EP0196905 A3 EP 0196905A3 EP 86302382 A EP86302382 A EP 86302382A EP 86302382 A EP86302382 A EP 86302382A EP 0196905 A3 EP0196905 A3 EP 0196905A3
Authority
EP
European Patent Office
Prior art keywords
liquid crystal
crystal cells
electrodes
addressing
addressing liquid
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.)
Ceased
Application number
EP86302382A
Other languages
German (de)
English (en)
Other versions
EP0196905A2 (fr
Inventor
Peter John Ayliffe
Anthony Bernard Davey
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.)
Nortel Networks Ltd
Original Assignee
Northern Telecom Ltd
International Standard Electric Corp
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 Northern Telecom Ltd, International Standard Electric Corp filed Critical Northern Telecom Ltd
Publication of EP0196905A2 publication Critical patent/EP0196905A2/fr
Publication of EP0196905A3 publication Critical patent/EP0196905A3/fr
Ceased legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control 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
    • G09G3/34Control 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
    • G09G3/36Control 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
    • G09G3/3611Control of matrices with row and column drivers
    • G09G3/3622Control of matrices with row and column drivers using a passive matrix
    • G09G3/3629Control of matrices with row and column drivers using a passive matrix using liquid crystals having memory effects, e.g. ferroelectric liquid crystals
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00Command of the display device
    • G09G2310/06Details of flat display driving waveforms
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00Control of display operating conditions
    • G09G2320/02Improving the quality of display appearance
    • G09G2320/0209Crosstalk reduction, i.e. to reduce direct or indirect influences of signals directed to a certain pixel of the displayed image on other pixels of said image, inclusive of influences affecting pixels in different frames or fields or sub-images which constitute a same image, e.g. left and right images of a stereoscopic display

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)
EP86302382A 1985-04-03 1986-04-01 Adressage de cellules à cristaux liquides Ceased EP0196905A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8508709 1985-04-03
GB08508709A GB2173335B (en) 1985-04-03 1985-04-03 Addressing liquid crystal cells

Publications (2)

Publication Number Publication Date
EP0196905A2 EP0196905A2 (fr) 1986-10-08
EP0196905A3 true EP0196905A3 (fr) 1989-10-18

Family

ID=10577140

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86302382A Ceased EP0196905A3 (fr) 1985-04-03 1986-04-01 Adressage de cellules à cristaux liquides

Country Status (4)

Country Link
EP (1) EP0196905A3 (fr)
JP (1) JPS61286818A (fr)
AU (1) AU580859B2 (fr)
GB (1) GB2173335B (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2173337B (en) * 1985-04-03 1989-01-11 Stc Plc Addressing liquid crystal cells
GB2173336B (en) * 1985-04-03 1988-04-27 Stc Plc Addressing liquid crystal cells
US5010328A (en) * 1987-07-21 1991-04-23 Thorn Emi Plc Display device
GB8720856D0 (en) * 1987-09-04 1987-10-14 Emi Plc Thorn Matrix addressing
GB2225473B (en) * 1988-11-23 1993-01-13 Stc Plc Addressing scheme for multiplexded ferroelectric liquid crystal
TW200572B (fr) * 1991-03-20 1993-02-21 Seiko Epson Corp
US6271817B1 (en) 1991-03-20 2001-08-07 Seiko Epson Corporation Method of driving liquid crystal display device that reduces afterimages
GB9526270D0 (en) * 1995-12-21 1996-02-21 Secr Defence Multiplex addressing of ferroelectric liquid crystal displays

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0120732A1 (fr) * 1983-02-24 1984-10-03 Commissariat A L'energie Atomique Procédé de commande séquentielle d'un imageur matriciel utilisant l'effet de transition de phase cholestérique-nématique d'un cristal liquide
EP0137726A2 (fr) * 1983-09-10 1985-04-17 Stc Plc Adressage de panneaux d'affichage à cristaux liquides

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6033535A (ja) * 1983-08-04 1985-02-20 Canon Inc 液晶装置
JPS6015624A (ja) * 1983-07-08 1985-01-26 Hitachi Ltd 液晶プリンタの駆動方法
GB2173337B (en) * 1985-04-03 1989-01-11 Stc Plc Addressing liquid crystal cells
GB2173336B (en) * 1985-04-03 1988-04-27 Stc Plc Addressing liquid crystal cells

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0120732A1 (fr) * 1983-02-24 1984-10-03 Commissariat A L'energie Atomique Procédé de commande séquentielle d'un imageur matriciel utilisant l'effet de transition de phase cholestérique-nématique d'un cristal liquide
EP0137726A2 (fr) * 1983-09-10 1985-04-17 Stc Plc Adressage de panneaux d'affichage à cristaux liquides

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN, vol. 9, no. 133 (P-362)[1856], 8th June 1985; & JP-A-60 15 624 (HITACHI SEISAKUSHO K.K.) 26-01-1985 & JP-A-45 91 886 (UMEDA et al.) *

Also Published As

Publication number Publication date
JPS61286818A (ja) 1986-12-17
GB8508709D0 (en) 1985-05-09
AU580859B2 (en) 1989-02-02
EP0196905A2 (fr) 1986-10-08
GB2173335A (en) 1986-10-08
AU5537186A (en) 1986-10-09
GB2173335B (en) 1988-02-17

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Inventor name: DAVEY, ANTHONY BERNARD