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GB2262831B - Multiplex addressing of ferro-electric liquid crystal displays - Google Patents

Multiplex addressing of ferro-electric liquid crystal displays

Info

Publication number
GB2262831B
GB2262831B GB9301627A GB9301627A GB2262831B GB 2262831 B GB2262831 B GB 2262831B GB 9301627 A GB9301627 A GB 9301627A GB 9301627 A GB9301627 A GB 9301627A GB 2262831 B GB2262831 B GB 2262831B
Authority
GB
United Kingdom
Prior art keywords
ferro
liquid crystal
crystal displays
electric liquid
multiplex addressing
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
GB9301627A
Other versions
GB9301627D0 (en
GB2262831A (en
Inventor
Jonathan Rennie Hughes
Edward Peter Raynes
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.)
UK Secretary of State for Defence
Original Assignee
UK Secretary of State for Defence
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 UK Secretary of State for Defence filed Critical UK Secretary of State for Defence
Publication of GB9301627D0 publication Critical patent/GB9301627D0/en
Publication of GB2262831A publication Critical patent/GB2262831A/en
Application granted granted Critical
Publication of GB2262831B publication Critical patent/GB2262831B/en
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
    • 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
    • G09G2310/00—Command of the display device
    • G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
    • G09G2310/0202—Addressing of scan or signal lines
    • G09G2310/0205—Simultaneous scanning of several lines in flat 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
    • 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
    • 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
    • G09G2320/00—Control of display operating conditions
    • G09G2320/04—Maintaining the quality of display appearance
    • G09G2320/041—Temperature compensation

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)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
GB9301627A 1990-08-07 1993-01-27 Multiplex addressing of ferro-electric liquid crystal displays Expired - Fee Related GB2262831B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB909017316A GB9017316D0 (en) 1990-08-07 1990-08-07 Multiplex addressing of ferro-electric liquid crystal displays
PCT/GB1991/001263 WO1992002925A1 (en) 1990-08-07 1991-07-26 Multiplex addressing of ferro-electric liquid crystal displays

Publications (3)

Publication Number Publication Date
GB9301627D0 GB9301627D0 (en) 1993-04-14
GB2262831A GB2262831A (en) 1993-06-30
GB2262831B true GB2262831B (en) 1994-06-29

Family

ID=10680305

Family Applications (2)

Application Number Title Priority Date Filing Date
GB909017316A Pending GB9017316D0 (en) 1990-08-07 1990-08-07 Multiplex addressing of ferro-electric liquid crystal displays
GB9301627A Expired - Fee Related GB2262831B (en) 1990-08-07 1993-01-27 Multiplex addressing of ferro-electric liquid crystal displays

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB909017316A Pending GB9017316D0 (en) 1990-08-07 1990-08-07 Multiplex addressing of ferro-electric liquid crystal displays

Country Status (9)

Country Link
EP (1) EP0542804B1 (en)
JP (1) JP3356430B2 (en)
KR (1) KR100231216B1 (en)
CN (1) CN1025454C (en)
CA (1) CA2088770C (en)
DE (1) DE69119771T2 (en)
GB (2) GB9017316D0 (en)
MY (1) MY108630A (en)
WO (1) WO1992002925A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102681228A (en) * 2011-03-17 2012-09-19 苏州汉朗光电有限公司 Driving method for pixel-independent-control smectic-phase liquid crystal display screens

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9302997D0 (en) * 1993-02-15 1993-03-31 Secr Defence Multiplex addressing of ferro-electric liquid crystal displays
JP2977410B2 (en) * 1993-04-26 1999-11-15 シャープ株式会社 Ferroelectric liquid crystal composition and device using the same
GB9309502D0 (en) * 1993-05-08 1993-06-23 Secr Defence Addressing ferroelectric liquid crystal displays
GB2301450B (en) * 1994-03-07 1998-01-14 Secr Defence Temperature compensation of ferro-electric liquid crystal displays
GB9404356D0 (en) * 1994-03-07 1994-04-20 Secr Defence Temperature compensation of ferroelectric liquid crystal displays
GB9407116D0 (en) * 1994-04-11 1994-06-01 Secr Defence Ferroelectric liquid crystal display with greyscale
US6115021A (en) 1994-07-04 2000-09-05 Sharp Kabushiki Kaisha Method and apparatus for driving a liquid crystal panel using a ferroelectric liquid crystal material having a negative dielectric anisotropy
GB2294797A (en) * 1994-11-01 1996-05-08 Sharp Kk Method of addressing a liquid crystal display
GB9510612D0 (en) * 1995-05-25 1995-07-19 Central Research Lab Ltd Improvements in or relating to the addressing of liquid crystal displays
GB9526270D0 (en) * 1995-12-21 1996-02-21 Secr Defence Multiplex addressing of ferroelectric liquid crystal displays
GB2312542B (en) * 1995-12-21 2000-02-23 Secr Defence Multiplex addressing of ferroelectric liquid crystal displays
GB2313225A (en) * 1996-05-17 1997-11-19 Sharp Kk Liquid crystal array device
GB2313224A (en) 1996-05-17 1997-11-19 Sharp Kk Ferroelectric liquid crystal device
GB9612958D0 (en) * 1996-06-20 1996-08-21 Sharp Kk Matrix array bistable device addressing
GB2337608B (en) 1998-05-16 2003-01-15 Sharp Kk Reduction of ionic memory effect in ferroelectric liquid crystal material
GB9904071D0 (en) * 1999-02-24 1999-04-14 Sharp Kk overnment Of The United Kingdom Of Great Britain And Northern Ireland The Matrix array bistable devices
KR100434250B1 (en) * 2002-02-16 2004-06-04 이정열 Granule form solidification method of cultured bacteria and culture fluid have the high solubility and viability
CN102622972B (en) * 2011-01-30 2013-09-04 苏州汉朗光电有限公司 Unidirectional pulse driving method of smectic state liquid crystal display
CN102682722B (en) * 2011-03-07 2013-10-02 苏州汉朗光电有限公司 Scanning drive method for smectic phase liquid crystal display

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0197742A2 (en) * 1985-04-03 1986-10-15 Nortel Networks Corporation Addressing liquid crystal cells

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB197742A (en) 1922-02-21 1923-05-22 Herbert Fleetwood Holworthy New or improved means for cleaning, scouring, sharpening, or performing similar functions of domestic character

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0197742A2 (en) * 1985-04-03 1986-10-15 Nortel Networks Corporation Addressing liquid crystal cells

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102681228A (en) * 2011-03-17 2012-09-19 苏州汉朗光电有限公司 Driving method for pixel-independent-control smectic-phase liquid crystal display screens

Also Published As

Publication number Publication date
EP0542804A1 (en) 1993-05-26
MY108630A (en) 1996-10-31
DE69119771T2 (en) 1996-11-14
WO1992002925A1 (en) 1992-02-20
KR100231216B1 (en) 1999-11-15
GB9017316D0 (en) 1990-09-19
GB9301627D0 (en) 1993-04-14
JPH05509419A (en) 1993-12-22
CN1058850A (en) 1992-02-19
CA2088770C (en) 2002-11-12
CN1025454C (en) 1994-07-13
CA2088770A1 (en) 1992-02-08
EP0542804B1 (en) 1996-05-22
GB2262831A (en) 1993-06-30
JP3356430B2 (en) 2002-12-16
KR930701803A (en) 1993-06-12
DE69119771D1 (en) 1996-06-27

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20030726