DE69116694T2 - ADDRESSING A LIQUID CRYSTAL DISPLAY MATRIX - Google Patents

ADDRESSING A LIQUID CRYSTAL DISPLAY MATRIX

Info

Publication number
DE69116694T2
DE69116694T2 DE69116694T DE69116694T DE69116694T2 DE 69116694 T2 DE69116694 T2 DE 69116694T2 DE 69116694 T DE69116694 T DE 69116694T DE 69116694 T DE69116694 T DE 69116694T DE 69116694 T2 DE69116694 T2 DE 69116694T2
Authority
DE
Germany
Prior art keywords
addressing
liquid crystal
crystal display
display matrix
matrix
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 - Lifetime
Application number
DE69116694T
Other languages
German (de)
Other versions
DE69116694D1 (en
Inventor
William Crossland
Martin Birch
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
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 filed Critical Northern Telecom Ltd
Application granted granted Critical
Publication of DE69116694D1 publication Critical patent/DE69116694D1/en
Publication of DE69116694T2 publication Critical patent/DE69116694T2/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G09G3/3648—Control of matrices with row and column drivers using an active matrix
    • G09G3/3651—Control of matrices with row and column drivers using an active matrix using multistable liquid crystals, 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
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0204—Compensation of DC component across the pixels in flat panels

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)
DE69116694T 1990-09-11 1991-09-10 ADDRESSING A LIQUID CRYSTAL DISPLAY MATRIX Expired - Lifetime DE69116694T2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9019883A GB2247974B (en) 1990-09-11 1990-09-11 Co-ordinate addressing of liquid crystal cells
PCT/GB1991/001536 WO1992004709A1 (en) 1990-09-11 1991-09-10 Co-ordinate addressing of liquid crystal cells

Publications (2)

Publication Number Publication Date
DE69116694D1 DE69116694D1 (en) 1996-03-07
DE69116694T2 true DE69116694T2 (en) 1996-05-30

Family

ID=10682048

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69116694T Expired - Lifetime DE69116694T2 (en) 1990-09-11 1991-09-10 ADDRESSING A LIQUID CRYSTAL DISPLAY MATRIX

Country Status (5)

Country Link
EP (1) EP0548179B1 (en)
JP (1) JP3105248B2 (en)
DE (1) DE69116694T2 (en)
GB (1) GB2247974B (en)
WO (1) WO1992004709A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2247972B (en) * 1990-09-11 1994-07-27 Stc Plc Co-ordinate addressing of liquid crystal cells
GB9719019D0 (en) * 1997-09-08 1997-11-12 Central Research Lab Ltd An optical modulator and integrated circuit therefor
GB9827945D0 (en) * 1998-12-19 1999-02-10 Secr Defence Method of driving a spatial light modulator

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR900005489B1 (en) * 1984-04-26 1990-07-30 마쯔시다덴기산교 가부시기가이샤 The driving circuit of lcd devices
GB2173336B (en) * 1985-04-03 1988-04-27 Stc Plc Addressing liquid crystal cells
GB2173629B (en) * 1986-04-01 1989-11-15 Stc Plc Addressing liquid crystal cells
JP2534334B2 (en) * 1988-11-18 1996-09-11 シャープ株式会社 Display device
US5041823A (en) * 1988-12-29 1991-08-20 Honeywell Inc. Flicker-free liquid crystal display driver system
GB2247972B (en) * 1990-09-11 1994-07-27 Stc Plc Co-ordinate addressing of liquid crystal cells

Also Published As

Publication number Publication date
EP0548179B1 (en) 1996-01-24
WO1992004709A1 (en) 1992-03-19
GB2247974A (en) 1992-03-18
JP3105248B2 (en) 2000-10-30
GB9019883D0 (en) 1990-10-24
JPH06501568A (en) 1994-02-17
GB2247974B (en) 1994-07-27
DE69116694D1 (en) 1996-03-07
EP0548179A1 (en) 1993-06-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition