EP0903721A3 - Method for driving a nematic liquid crystal - Google Patents

Method for driving a nematic liquid crystal Download PDF

Info

Publication number
EP0903721A3
EP0903721A3 EP98113183A EP98113183A EP0903721A3 EP 0903721 A3 EP0903721 A3 EP 0903721A3 EP 98113183 A EP98113183 A EP 98113183A EP 98113183 A EP98113183 A EP 98113183A EP 0903721 A3 EP0903721 A3 EP 0903721A3
Authority
EP
European Patent Office
Prior art keywords
liquid crystal
nematic liquid
driving
electrodes
predetermined
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
EP98113183A
Other languages
German (de)
French (fr)
Other versions
EP0903721A2 (en
Inventor
Masaya Okita
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0903721A2 publication Critical patent/EP0903721A2/en
Publication of EP0903721A3 publication Critical patent/EP0903721A3/en
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
    • 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
    • G09G3/04—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions
    • G09G3/16—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions by control of light from an independent source
    • G09G3/18—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions 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
    • G09G2310/00—Command of the display device
    • G09G2310/06—Details of flat display driving waveforms
    • G09G2310/065—Waveforms comprising zero voltage phase or pause
    • 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

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)
  • Liquid Crystal Substances (AREA)

Abstract

In a liquid crystal display device combining a nematic liquid crystal confined between two electrodes with polarizing plates, a voltage applied between two electrodes to drive the nematic liquid crystal is maintained in a predetermined value for a predetermined duration of time in predetermined intervals to increase the response speed and to realize color images by tricolor back-lighting or moving images equivalent to or more excellent than those by CRT displays.
EP98113183A 1997-09-12 1998-07-15 Method for driving a nematic liquid crystal Ceased EP0903721A3 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP267819/97 1997-09-12
JP26781997 1997-09-12
JP26781997A JPH1184341A (en) 1997-09-12 1997-09-12 Method for driving nematic liquid crystal

Publications (2)

Publication Number Publication Date
EP0903721A2 EP0903721A2 (en) 1999-03-24
EP0903721A3 true EP0903721A3 (en) 1999-07-21

Family

ID=17450053

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98113183A Ceased EP0903721A3 (en) 1997-09-12 1998-07-15 Method for driving a nematic liquid crystal

Country Status (7)

Country Link
EP (1) EP0903721A3 (en)
JP (1) JPH1184341A (en)
KR (1) KR100639602B1 (en)
CN (1) CN1161729C (en)
CA (1) CA2243383C (en)
HK (1) HK1019106A1 (en)
TW (1) TW421775B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1345202B1 (en) 2000-12-22 2011-02-16 Hunet Display Technology Inc. Liquid crystal drive apparatus and gradation display method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2346974A1 (en) * 1973-09-18 1975-04-03 Commissariat Energie Atomique Nematic crystal display junction-points values control - uses stimulation signals from voltage sources to junction electrodes
EP0424030A2 (en) * 1989-10-18 1991-04-24 Matsushita Electric Industrial Co., Ltd. Method of driving a liquid crystal display
EP0438093A2 (en) * 1990-01-16 1991-07-24 Honeywell Inc. Apparatus and method for temperature compensation of liquid crystal displays

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD292601A7 (en) * 1987-04-15 1991-08-08 Zentralinstitut Fuer Elektronenphysik,De METHOD FOR CONTROLLING A LIQUID CRYSTAL CELL
JP2901438B2 (en) * 1992-10-07 1999-06-07 シャープ株式会社 Driving method of liquid crystal display device
JPH1069260A (en) * 1996-08-26 1998-03-10 Buraito Kenkyusho:Kk Method for driving nematic liquid crystal

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2346974A1 (en) * 1973-09-18 1975-04-03 Commissariat Energie Atomique Nematic crystal display junction-points values control - uses stimulation signals from voltage sources to junction electrodes
EP0424030A2 (en) * 1989-10-18 1991-04-24 Matsushita Electric Industrial Co., Ltd. Method of driving a liquid crystal display
EP0438093A2 (en) * 1990-01-16 1991-07-24 Honeywell Inc. Apparatus and method for temperature compensation of liquid crystal displays

Also Published As

Publication number Publication date
CA2243383A1 (en) 1999-03-12
EP0903721A2 (en) 1999-03-24
JPH1184341A (en) 1999-03-26
CA2243383C (en) 2012-12-18
CN1161729C (en) 2004-08-11
KR100639602B1 (en) 2006-12-19
TW421775B (en) 2001-02-11
HK1019106A1 (en) 2000-01-21
CN1211778A (en) 1999-03-24
KR19990029212A (en) 1999-04-26

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