WO2006030388A3 - Display devices and methods of driving such - Google Patents

Display devices and methods of driving such Download PDF

Info

Publication number
WO2006030388A3
WO2006030388A3 PCT/IB2005/053018 IB2005053018W WO2006030388A3 WO 2006030388 A3 WO2006030388 A3 WO 2006030388A3 IB 2005053018 W IB2005053018 W IB 2005053018W WO 2006030388 A3 WO2006030388 A3 WO 2006030388A3
Authority
WO
WIPO (PCT)
Prior art keywords
polarity
phases
pixels
pixel
display
Prior art date
Application number
PCT/IB2005/053018
Other languages
French (fr)
Other versions
WO2006030388A2 (en
Inventor
Frank Vossen
Aleksandar Sevo
Den Broeke Dick Van
Wolfgang Furtner
Frank Matschullat
Gorkom Ramon Van
Martin J J Jak
Original Assignee
Koninkl Philips Electronics Nv
Frank Vossen
Aleksandar Sevo
Den Broeke Dick Van
Wolfgang Furtner
Frank Matschullat
Gorkom Ramon Van
Martin J J Jak
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
Priority claimed from GB0420489A external-priority patent/GB0420489D0/en
Application filed by Koninkl Philips Electronics Nv, Frank Vossen, Aleksandar Sevo, Den Broeke Dick Van, Wolfgang Furtner, Frank Matschullat, Gorkom Ramon Van, Martin J J Jak filed Critical Koninkl Philips Electronics Nv
Publication of WO2006030388A2 publication Critical patent/WO2006030388A2/en
Publication of WO2006030388A3 publication Critical patent/WO2006030388A3/en

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
    • G09G3/3648—Control of matrices with row and column drivers using an active 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)

Abstract

A display device comprises an array (10) of pixels (12) arranged in rows and columns and drive circuitry (20,21,22,24) for providing pixel drive signals to the pixels. Each pixel is driveable with two opposite polarity signals (+,-). Each pixel is driven cyclically with a number n of phases where n is 4 or more, n/2 phases with one polarity and n/2 phases with the opposite polarity. During each phase change, the polarity of k x 2/n of the pixels of the display is changed, where k is an integer and k x 2/n is more than 0 and less than 1. Furthermore, the phases in the first half of each cycle are duplicated in the second half of each cycle with opposite polarity. This drive scheme provides a staggered change in polarity and has symmetry to remove a dc offset. Preferably, the polarity changes are always distributed uniformly across the display.
PCT/IB2005/053018 2004-09-15 2005-09-14 Display devices and methods of driving such WO2006030388A2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB0420489.7 2004-09-15
GB0420489A GB0420489D0 (en) 2004-09-15 2004-09-15 Display devices and methods of driving such
GB0500829.7 2005-01-17
GB0500829A GB0500829D0 (en) 2004-09-15 2005-01-17 Display devices and methods of driving such

Publications (2)

Publication Number Publication Date
WO2006030388A2 WO2006030388A2 (en) 2006-03-23
WO2006030388A3 true WO2006030388A3 (en) 2006-05-11

Family

ID=35414664

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2005/053018 WO2006030388A2 (en) 2004-09-15 2005-09-14 Display devices and methods of driving such

Country Status (1)

Country Link
WO (1) WO2006030388A2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101266723B1 (en) 2006-05-01 2013-05-28 엘지디스플레이 주식회사 Driving liquid crystal display and apparatus for driving the same
JP5072424B2 (en) * 2007-05-02 2012-11-14 キヤノン株式会社 Liquid crystal display
CN102646383A (en) * 2011-02-16 2012-08-22 联咏科技股份有限公司 Multi-type polarity inversion driving method and application circuit and device thereof
JP6981052B2 (en) * 2017-06-08 2021-12-15 凸版印刷株式会社 Dimmer

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6219019B1 (en) * 1996-09-05 2001-04-17 Kabushiki Kaisha Toshiba Liquid crystal display apparatus and method for driving the same
JP2002091392A (en) * 2000-09-11 2002-03-27 Hitachi Ltd Liquid crystal driving method and drive controller
US20020089485A1 (en) * 2000-11-22 2002-07-11 Won-Bong Youn Liquid crystal display with multi-frame inverting function and an apparatus and a method for driving the same
US6507368B1 (en) * 1999-01-29 2003-01-14 Canon Kabushiki Kaisha Control of image signals in liquid crystal displays
US20030011583A1 (en) * 2001-06-26 2003-01-16 Seiko Epson Corporation Display device, drive circuit thereof, driving method therefor, and electronic equipment

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6219019B1 (en) * 1996-09-05 2001-04-17 Kabushiki Kaisha Toshiba Liquid crystal display apparatus and method for driving the same
US6507368B1 (en) * 1999-01-29 2003-01-14 Canon Kabushiki Kaisha Control of image signals in liquid crystal displays
JP2002091392A (en) * 2000-09-11 2002-03-27 Hitachi Ltd Liquid crystal driving method and drive controller
US20020089485A1 (en) * 2000-11-22 2002-07-11 Won-Bong Youn Liquid crystal display with multi-frame inverting function and an apparatus and a method for driving the same
US20030011583A1 (en) * 2001-06-26 2003-01-16 Seiko Epson Corporation Display device, drive circuit thereof, driving method therefor, and electronic equipment

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NISHIMURA M ET AL: "45.6L: Late-News Paper; A 21 .3-in. UXGA TFT-LCD with New Driving Method", SID 1998, 22 May 1998 (1998-05-22), XP007008702 *

Also Published As

Publication number Publication date
WO2006030388A2 (en) 2006-03-23

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