KR970050060A - 액정표시 장치의 구동방법 - Google Patents

액정표시 장치의 구동방법 Download PDF

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Publication number
KR970050060A
KR970050060A KR1019960051950A KR19960051950A KR970050060A KR 970050060 A KR970050060 A KR 970050060A KR 1019960051950 A KR1019960051950 A KR 1019960051950A KR 19960051950 A KR19960051950 A KR 19960051950A KR 970050060 A KR970050060 A KR 970050060A
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South Korea
Prior art keywords
voltage
compensation voltage
liquid crystal
feedthrough
storage capacitor
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KR1019960051950A
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English (en)
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KR100239092B1 (ko
Inventor
가오루 가사후까
히데히사 시미즈
신이찌 기무라
Original Assignee
제프리 엘. 포맨
인터내셔널 비지네스 머신즈 코포레이션
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Publication of KR970050060A publication Critical patent/KR970050060A/ko
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Publication of KR100239092B1 publication Critical patent/KR100239092B1/ko

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    • 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
    • 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
    • G09G2310/00—Command of the display device
    • G09G2310/06—Details of flat display driving waveforms
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0204—Compensation of DC component across the pixels in flat 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
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0219—Reducing feedthrough effects in active matrix panels, i.e. voltage changes on the scan electrode influencing the pixel voltage due to capacitive coupling
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0223—Compensation for problems related to R-C delay and attenuation in electrodes of matrix panels, e.g. in gate electrodes or on-substrate video signal electrodes

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  • 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 (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)

Abstract

본 발명은 박막 트랜지스터(TFT)등의 스위칭 소자와 화소전극이 매트릭스 형상으로 배열된 액티브·매트릭스형의 액정표시장치의 구동방법에 관한 것이며, 표시화면의 대형화, 고세밀화, 고애퍼쳐비의 결과로, 게이트선 부하가 증대하였어도, 화질 및 신뢰성이 우수하고 소비전력을 저감시킨 액정표시 장치의 구동방법을 제공하는 것을 목적으로 한다.
첫째 단계에서 △V=0이 되도록 게이트. 오프와 같은 타이밍으로 보상전압을 출력함으로써 게이트 지연에 의한 DC의 발생을 억제할 수 있다. 그후, △V가 타겟 값이 되도록, 제2보상 전압을 출력한다. 제2출력은 게이트 지연의 영향을 받지 않기 때문에 △V를 크게할 수 있다.

Description

액정표시 장치의 구동방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1a도 내지 제1e도는 본 발명의 실시예에 의한 액정표시 장치의 구동방법을 설명하는 도면이다,
제2a도 내지 제2b도는 본 발명의 실시예에 의한 액정표시 장치의 구동방법을 설명하는 도면이다,
제3도는 Cs-온-게이트 구조의 액정표시 장치의 등가회로를 도시한 도면이다.

Claims (5)

  1. 게이트선에 게이트 신호를 인가하여 박막 트랜지스터를 온시키어 데이타선의 화소신호를 표시전극에 충전함과 동시에, 보조용량에 피드스루전압 보상전압을 인가하여 피드스루전압 보상을 한 후, 실효치 보상전압을 인가하여 피드스루전압 보상을 한 후, 실효치 보상전압을 인가하여 각 화소영역의 액정에 소정의 액정전위를 주는 것을 특징으로 하는 액정표시장치의 구동방법.
  2. 제1항에 있어서, 상기 피드스루전압 보상전압은 상기 게이트신호의 하강하는 타이밍에 거의 일치하여 인가되는 것을 특징으로 하는 액정표시장치의 구동방법.
  3. 제1항에 있어서, 상기 실효치 보상전압은 상기 피드스루전압 보상전압의 인가후 상기 박막 트랜지스터가 오프한 후에 인가되는 것을 특징으로 하는 액정표시장치의 구동방법.
  4. 제1항 내지 제3항 중 어느 한 항에 있어서, 상기 보조용량은 상기 게이트선의 앞의 게이트선과 상기 표시전극으로 구성되고, 상기 피드스루전압 보상전압 및 실효치 보상전압은 상기 앞의 게이트선에 인가되는 것을 특징으로 하는 액정표시장치의 구동방법.
  5. 제1항 내지 제3항 중 어느 한 항에 있어서, 상기 보조용 양은 독립된 축적 용량선과 상기 표시전극으로 구성되고, 상기 피드스루전압 보상전압 및 실효치 보상전압은 상기 축적 용량선에 인가되는 것을 특징으로 하는 액정표시장치의 구동방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019960051950A 1995-12-18 1996-10-30 액정표시장치의 구동방법 KR100239092B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP95-329187 1995-12-18
JP7329187A JP3037886B2 (ja) 1995-12-18 1995-12-18 液晶表示装置の駆動方法

Publications (2)

Publication Number Publication Date
KR970050060A true KR970050060A (ko) 1997-07-29
KR100239092B1 KR100239092B1 (ko) 2000-01-15

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US (1) US5995074A (ko)
EP (1) EP0780826A3 (ko)
JP (1) JP3037886B2 (ko)
KR (1) KR100239092B1 (ko)

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KR100848958B1 (ko) * 2001-12-26 2008-07-29 엘지디스플레이 주식회사 액정표시장치 및 그 구동방법

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KR100933449B1 (ko) * 2003-06-24 2009-12-23 엘지디스플레이 주식회사 액정 표시 패널의 구동 방법 및 장치
KR100741894B1 (ko) * 2003-07-04 2007-07-23 엘지.필립스 엘시디 주식회사 횡전계 방식 액정 표시 장치의 구동방법
JP4449784B2 (ja) * 2005-02-28 2010-04-14 エプソンイメージングデバイス株式会社 電気光学装置、駆動方法および電子機器
US8411006B2 (en) * 2005-11-04 2013-04-02 Sharp Kabushiki Kaisha Display device including scan signal line driving circuits connected via signal wiring
KR101337261B1 (ko) * 2006-07-24 2013-12-05 삼성디스플레이 주식회사 액정 표시 장치 및 그의 구동 방법
KR101319971B1 (ko) * 2006-08-14 2013-10-21 삼성디스플레이 주식회사 액정 표시 장치 및 그 구동방법
KR101432126B1 (ko) * 2008-07-23 2014-08-21 삼성디스플레이 주식회사 유기전계발광 표시장치
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CN103258514B (zh) * 2013-05-06 2015-05-20 深圳市华星光电技术有限公司 Goa驱动电路及驱动方法
KR102208386B1 (ko) * 2014-01-22 2021-01-28 삼성디스플레이 주식회사 표시 패널 구동 방법, 이 방법을 수행하는 표시 패널 구동 장치 및 이 표시패널 구동 장치를 포함하는 표시 장치
KR20160020041A (ko) 2014-08-12 2016-02-23 삼성디스플레이 주식회사 표시장치
CN107332914B (zh) * 2017-07-04 2020-09-01 北京云测网络科技有限公司 一种终端展示方法及装置
CN115394265B (zh) * 2022-08-29 2023-07-18 惠科股份有限公司 显示驱动电路及液晶显示屏

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KR100848958B1 (ko) * 2001-12-26 2008-07-29 엘지디스플레이 주식회사 액정표시장치 및 그 구동방법

Also Published As

Publication number Publication date
KR100239092B1 (ko) 2000-01-15
JP3037886B2 (ja) 2000-05-08
EP0780826A2 (en) 1997-06-25
EP0780826A3 (en) 1997-07-30
JPH09179097A (ja) 1997-07-11
US5995074A (en) 1999-11-30

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