AU580859B2 - Liquid crystal cells - Google Patents

Liquid crystal cells

Info

Publication number
AU580859B2
AU580859B2 AU55371/86A AU5537186A AU580859B2 AU 580859 B2 AU580859 B2 AU 580859B2 AU 55371/86 A AU55371/86 A AU 55371/86A AU 5537186 A AU5537186 A AU 5537186A AU 580859 B2 AU580859 B2 AU 580859B2
Authority
AU
Australia
Prior art keywords
liquid crystal
crystal cells
cells
liquid
crystal
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
AU55371/86A
Other versions
AU5537186A (en
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 Corp
Original Assignee
STC PLC
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 STC PLC filed Critical STC PLC
Publication of AU5537186A publication Critical patent/AU5537186A/en
Application granted granted Critical
Publication of AU580859B2 publication Critical patent/AU580859B2/en
Assigned to NORTHERN TELECOM LIMITED reassignment NORTHERN TELECOM LIMITED Alteration of Name(s) in Register under S187 Assignors: STC PLC
Assigned to NORTEL NETWORKS CORPORATION reassignment NORTEL NETWORKS CORPORATION Request to Amend Deed and Register Assignors: NORTHERN TELECOM LIMITED
Anticipated expiration legal-status Critical
Ceased 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
    • 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
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0209—Crosstalk 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)
AU55371/86A 1985-04-03 1986-03-27 Liquid crystal cells Ceased AU580859B2 (en)

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
AU5537186A AU5537186A (en) 1986-10-09
AU580859B2 true AU580859B2 (en) 1989-02-02

Family

ID=10577140

Family Applications (1)

Application Number Title Priority Date Filing Date
AU55371/86A Ceased AU580859B2 (en) 1985-04-03 1986-03-27 Liquid crystal cells

Country Status (4)

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

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
US6271817B1 (en) 1991-03-20 2001-08-07 Seiko Epson Corporation Method of driving liquid crystal display device that reduces afterimages
DE69222959T2 (en) * 1991-03-20 1998-03-19 Seiko Epson Corp Method of operating an active matrix type liquid crystal display device
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
AU5537086A (en) * 1985-04-03 1986-10-09 Nortel Networks Corporation Liquid crystal cells
AU5536986A (en) * 1985-04-03 1986-10-09 Stc Plc Liquid crystal cells

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2541807B1 (en) * 1983-02-24 1985-06-07 Commissariat Energie Atomique METHOD OF SEQUENTIAL CONTROL OF A MATRIX IMAGER USING THE CHOLESTERIC-NEMATIC PHASE TRANSITION EFFECT OF A LIQUID CRYSTAL
JPS6033535A (en) * 1983-08-04 1985-02-20 Canon Inc Driving method of optical modulating element
JPS6015624A (en) * 1983-07-08 1985-01-26 Hitachi Ltd Driving method of liquid crystal switch element for printer
GB2146473B (en) * 1983-09-10 1987-03-11 Standard Telephones Cables Ltd Addressing liquid crystal displays

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU5537086A (en) * 1985-04-03 1986-10-09 Nortel Networks Corporation Liquid crystal cells
AU5536986A (en) * 1985-04-03 1986-10-09 Stc Plc Liquid crystal cells

Also Published As

Publication number Publication date
JPS61286818A (en) 1986-12-17
GB2173335A (en) 1986-10-08
EP0196905A2 (en) 1986-10-08
GB2173335B (en) 1988-02-17
EP0196905A3 (en) 1989-10-18
GB8508709D0 (en) 1985-05-09
AU5537186A (en) 1986-10-09

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Legal Events

Date Code Title Description
HB Alteration of name in register

Free format text: NORTEL NETWORKS CORPORATION

MK14 Patent ceased section 143(a) (annual fees not paid) or expired