CA2243383C - Method for driving a nematic liquid crystal - Google Patents

Method for driving a nematic liquid crystal Download PDF

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Publication number
CA2243383C
CA2243383C CA2243383A CA2243383A CA2243383C CA 2243383 C CA2243383 C CA 2243383C CA 2243383 A CA2243383 A CA 2243383A CA 2243383 A CA2243383 A CA 2243383A CA 2243383 C CA2243383 C CA 2243383C
Authority
CA
Canada
Prior art keywords
liquid crystal
display device
electrodes
nematic liquid
crystal display
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
CA2243383A
Other languages
English (en)
French (fr)
Other versions
CA2243383A1 (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 CA2243383A1 publication Critical patent/CA2243383A1/en
Application granted granted Critical
Publication of CA2243383C publication Critical patent/CA2243383C/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
    • 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)
CA2243383A 1997-09-12 1998-07-20 Method for driving a nematic liquid crystal Expired - Fee Related CA2243383C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP9-267819 1997-09-12
JP26781997A JPH1184341A (ja) 1997-09-12 1997-09-12 ネマティック液晶の駆動方法

Publications (2)

Publication Number Publication Date
CA2243383A1 CA2243383A1 (en) 1999-03-12
CA2243383C true CA2243383C (en) 2012-12-18

Family

ID=17450053

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2243383A Expired - Fee Related CA2243383C (en) 1997-09-12 1998-07-20 Method for driving a nematic liquid crystal

Country Status (7)

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

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

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2346974A1 (de) * 1973-09-18 1975-04-03 Commissariat Energie Atomique Verfahren und abbildungseinrichtung zum sequentiellen steuern einer optischen kenngroesse
DD292601A7 (de) * 1987-04-15 1991-08-08 Zentralinstitut Fuer Elektronenphysik,De Verfahren zum ansteuern einer fluessigkristallzelle
JPH03132692A (ja) * 1989-10-18 1991-06-06 Matsushita Electric Ind Co Ltd 液晶表示装置の駆動方法及びその駆動回路
US5088806A (en) * 1990-01-16 1992-02-18 Honeywell, Inc. Apparatus and method for temperature compensation of liquid crystal matrix displays
JP2901438B2 (ja) * 1992-10-07 1999-06-07 シャープ株式会社 液晶表示装置の駆動方法
JPH1069260A (ja) * 1996-08-26 1998-03-10 Buraito Kenkyusho:Kk ネマティック液晶の駆動方法

Also Published As

Publication number Publication date
CA2243383A1 (en) 1999-03-12
EP0903721A2 (en) 1999-03-24
JPH1184341A (ja) 1999-03-26
CN1161729C (zh) 2004-08-11
KR100639602B1 (ko) 2006-12-19
TW421775B (en) 2001-02-11
HK1019106A1 (en) 2000-01-21
CN1211778A (zh) 1999-03-24
EP0903721A3 (en) 1999-07-21
KR19990029212A (ko) 1999-04-26

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20160720