AU2002217946A1 - Drive circuit for improved brightness control in liquid crystal displays and method therefor - Google Patents

Drive circuit for improved brightness control in liquid crystal displays and method therefor

Info

Publication number
AU2002217946A1
AU2002217946A1 AU2002217946A AU1794602A AU2002217946A1 AU 2002217946 A1 AU2002217946 A1 AU 2002217946A1 AU 2002217946 A AU2002217946 A AU 2002217946A AU 1794602 A AU1794602 A AU 1794602A AU 2002217946 A1 AU2002217946 A1 AU 2002217946A1
Authority
AU
Australia
Prior art keywords
liquid crystal
drive circuit
crystal displays
method therefor
brightness control
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.)
Abandoned
Application number
AU2002217946A
Other languages
English (en)
Inventor
Eugene Murphy O'donnell
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.)
Thomson Licensing SAS
Original Assignee
Thomson Licensing SAS
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 Thomson Licensing SAS filed Critical Thomson Licensing SAS
Publication of AU2002217946A1 publication Critical patent/AU2002217946A1/en
Abandoned 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
    • G09G3/3648—Control of matrices with row and column drivers using an active matrix
    • G09G3/3659—Control of matrices with row and column drivers using an active matrix the addressing of the pixel involving the control of two or more scan electrodes or two or more data electrodes, e.g. pixel voltage dependant on signal of two data electrodes
    • 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
    • G09G3/3648—Control of matrices with row and column drivers using an active matrix
    • 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
    • G09G2300/08—Active matrix structure, i.e. with use of active elements, inclusive of non-linear two terminal elements, in the pixels together with light emitting or modulating elements
    • G09G2300/0809—Several active elements per pixel in active matrix 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
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/08—Active matrix structure, i.e. with use of active elements, inclusive of non-linear two terminal elements, in the pixels together with light emitting or modulating elements
    • G09G2300/0809—Several active elements per pixel in active matrix panels
    • G09G2300/0823—Several active elements per pixel in active matrix panels used to establish symmetry in driving, e.g. with polarity inversion
    • 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
    • G09G2300/08—Active matrix structure, i.e. with use of active elements, inclusive of non-linear two terminal elements, in the pixels together with light emitting or modulating elements
    • G09G2300/0809—Several active elements per pixel in active matrix panels
    • G09G2300/0842—Several active elements per pixel in active matrix panels forming a memory circuit, e.g. a dynamic memory with one capacitor
    • 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
    • G09G2300/08—Active matrix structure, i.e. with use of active elements, inclusive of non-linear two terminal elements, in the pixels together with light emitting or modulating elements
    • G09G2300/0809—Several active elements per pixel in active matrix panels
    • G09G2300/0842—Several active elements per pixel in active matrix panels forming a memory circuit, e.g. a dynamic memory with one capacitor
    • G09G2300/0852—Several active elements per pixel in active matrix panels forming a memory circuit, e.g. a dynamic memory with one capacitor being a dynamic memory with more than one capacitor
    • 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

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)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal Display Device Control (AREA)
AU2002217946A 2000-11-30 2001-11-29 Drive circuit for improved brightness control in liquid crystal displays and method therefor Abandoned AU2002217946A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US25019600P 2000-11-30 2000-11-30
US60250196 2000-11-30
PCT/US2001/044745 WO2002045065A1 (en) 2000-11-30 2001-11-29 Drive circuit for improved brightness control in liquid crystal displays and method therefor

Publications (1)

Publication Number Publication Date
AU2002217946A1 true AU2002217946A1 (en) 2002-06-11

Family

ID=22946692

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002217946A Abandoned AU2002217946A1 (en) 2000-11-30 2001-11-29 Drive circuit for improved brightness control in liquid crystal displays and method therefor

Country Status (9)

Country Link
US (1) US7508367B2 (ko)
EP (1) EP1275103A4 (ko)
JP (1) JP4242151B2 (ko)
KR (1) KR100832049B1 (ko)
CN (1) CN1248187C (ko)
AU (1) AU2002217946A1 (ko)
BR (1) BR0107946A (ko)
MX (1) MXPA02007366A (ko)
WO (1) WO2002045065A1 (ko)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2002217961A1 (en) * 2000-11-30 2002-06-11 Thomson Licensing S.A. Drive circuit for liquid crystal displays and method therefor
JP2005062535A (ja) * 2003-08-14 2005-03-10 Toshiba Matsushita Display Technology Co Ltd 液晶表示装置
CN1294552C (zh) * 2004-07-27 2007-01-10 友达光电股份有限公司 液晶显示器及其方法
JP4413730B2 (ja) * 2004-09-28 2010-02-10 富士通株式会社 液晶表示装置及びその駆動方法
US9049412B2 (en) * 2005-03-30 2015-06-02 Tte Technology, Inc. System and method for projecting video onto a screen
US7281806B2 (en) * 2005-06-08 2007-10-16 Tte Technology, Inc. System and method for projecting a video image with a temporal LED combiner
TWI420971B (zh) * 2010-09-02 2013-12-21 Univ Ishou 發光裝置及其驅動電路
JP2014195243A (ja) * 2013-02-28 2014-10-09 Semiconductor Energy Lab Co Ltd 半導体装置
US9520091B2 (en) * 2013-06-17 2016-12-13 Shenzhen China Star Optoelectronics Technology Co., Ltd Liquid crystal cell and the liquid crystal display with the same
KR20170134619A (ko) * 2015-04-03 2017-12-06 도요세이칸 그룹 홀딩스 가부시키가이샤 다층 용기
WO2023114979A1 (en) * 2021-12-16 2023-06-22 Ohio State Innovation Foundation Pixel circuits for liquid crystal on silicon phase modulator

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2951352B2 (ja) * 1990-03-08 1999-09-20 株式会社日立製作所 多階調液晶表示装置
DE69224959T2 (de) * 1991-11-07 1998-08-13 Canon Kk Flüssigkristallvorrichtung und Steuerverfahren dafür
US5526014A (en) * 1992-02-26 1996-06-11 Nec Corporation Semiconductor device for driving liquid crystal display panel
US5627557A (en) 1992-08-20 1997-05-06 Sharp Kabushiki Kaisha Display apparatus
JPH08500915A (ja) * 1993-06-30 1996-01-30 フィリップス エレクトロニクス ネムローゼ フェン ノートシャップ マトリックス表示システムおよび、このようなシステムの動作方法
JP3490147B2 (ja) * 1994-07-05 2004-01-26 株式会社半導体エネルギー研究所 情報処理装置
CN1099608C (zh) * 1994-11-21 2003-01-22 精工爱普生株式会社 液晶驱动装置及液晶驱动方法
JP3110980B2 (ja) 1995-07-18 2000-11-20 インターナショナル・ビジネス・マシーンズ・コーポレ−ション 液晶表示装置の駆動装置及び方法
JP3175001B2 (ja) 1996-02-23 2001-06-11 キヤノン株式会社 液晶表示装置及びその駆動方法
GB2312773A (en) * 1996-05-01 1997-11-05 Sharp Kk Active matrix display
JPH09329806A (ja) * 1996-06-11 1997-12-22 Toshiba Corp 液晶表示装置
US5952991A (en) * 1996-11-14 1999-09-14 Kabushiki Kaisha Toshiba Liquid crystal display
JP3413043B2 (ja) * 1997-02-13 2003-06-03 株式会社東芝 液晶表示装置
US6414664B1 (en) * 1997-11-13 2002-07-02 Honeywell Inc. Method of and apparatus for controlling contrast of liquid crystal displays while receiving large dynamic range video

Also Published As

Publication number Publication date
EP1275103A4 (en) 2008-11-12
US7508367B2 (en) 2009-03-24
US20030001811A1 (en) 2003-01-02
BR0107946A (pt) 2002-10-22
KR100832049B1 (ko) 2008-06-04
JP4242151B2 (ja) 2009-03-18
CN1248187C (zh) 2006-03-29
KR20020089337A (ko) 2002-11-29
CN1422422A (zh) 2003-06-04
MXPA02007366A (es) 2002-12-09
EP1275103A1 (en) 2003-01-15
WO2002045065A1 (en) 2002-06-06
JP2004514956A (ja) 2004-05-20

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