SE9903729D0 - Method of driving liquid crystals - Google Patents

Method of driving liquid crystals

Info

Publication number
SE9903729D0
SE9903729D0 SE9903729A SE9903729A SE9903729D0 SE 9903729 D0 SE9903729 D0 SE 9903729D0 SE 9903729 A SE9903729 A SE 9903729A SE 9903729 A SE9903729 A SE 9903729A SE 9903729 D0 SE9903729 D0 SE 9903729D0
Authority
SE
Sweden
Prior art keywords
liquid crystals
picture
driving
driving liquid
picture elements
Prior art date
Application number
SE9903729A
Other languages
English (en)
Other versions
SE9903729L (sv
SE515073C2 (sv
Inventor
Bjoern Quickers
Original Assignee
Lc Tec Sweden Ab
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 Lc Tec Sweden Ab filed Critical Lc Tec Sweden Ab
Priority to SE9903729A priority Critical patent/SE515073C2/sv
Publication of SE9903729D0 publication Critical patent/SE9903729D0/sv
Priority to AU10689/01A priority patent/AU1068901A/en
Priority to PCT/SE2000/001987 priority patent/WO2001027912A1/en
Publication of SE9903729L publication Critical patent/SE9903729L/sv
Publication of SE515073C2 publication Critical patent/SE515073C2/sv

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
    • G09G3/3614—Control of polarity reversal in general
    • 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
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/04—Structural and physical details of display devices
    • G09G2300/0469—Details of the physics of pixel operation
    • G09G2300/0478—Details of the physics of pixel operation related to liquid crystal pixels
    • G09G2300/0482—Use of memory effects in nematic liquid crystals
    • G09G2300/0486—Cholesteric liquid crystals, including chiral-nematic liquid crystals, with transitions between focal conic, planar, and homeotropic states
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/02—Details of power systems and of start or stop of display operation
    • G09G2330/021—Power management, e.g. power saving

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)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal (AREA)
SE9903729A 1999-10-15 1999-10-15 Metod för att driva vätskekristaller SE515073C2 (sv)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE9903729A SE515073C2 (sv) 1999-10-15 1999-10-15 Metod för att driva vätskekristaller
AU10689/01A AU1068901A (en) 1999-10-15 2000-10-13 Method of driving liquid crystals
PCT/SE2000/001987 WO2001027912A1 (en) 1999-10-15 2000-10-13 Method of driving liquid crystals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9903729A SE515073C2 (sv) 1999-10-15 1999-10-15 Metod för att driva vätskekristaller

Publications (3)

Publication Number Publication Date
SE9903729D0 true SE9903729D0 (sv) 1999-10-15
SE9903729L SE9903729L (sv) 2001-04-16
SE515073C2 SE515073C2 (sv) 2001-06-05

Family

ID=20417375

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9903729A SE515073C2 (sv) 1999-10-15 1999-10-15 Metod för att driva vätskekristaller

Country Status (3)

Country Link
AU (1) AU1068901A (sv)
SE (1) SE515073C2 (sv)
WO (1) WO2001027912A1 (sv)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4455576A (en) * 1981-04-07 1984-06-19 Seiko Instruments & Electronics Ltd. Picture display device
JP2822911B2 (ja) * 1995-03-23 1998-11-11 日本電気株式会社 駆動回路

Also Published As

Publication number Publication date
WO2001027912A1 (en) 2001-04-19
AU1068901A (en) 2001-04-23
SE9903729L (sv) 2001-04-16
SE515073C2 (sv) 2001-06-05

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Legal Events

Date Code Title Description
NUG Patent has lapsed