KR970067073A - 티에프티 엘시디 디스플레이의 구동방법 - Google Patents

티에프티 엘시디 디스플레이의 구동방법 Download PDF

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Publication number
KR970067073A
KR970067073A KR1019960009546A KR19960009546A KR970067073A KR 970067073 A KR970067073 A KR 970067073A KR 1019960009546 A KR1019960009546 A KR 1019960009546A KR 19960009546 A KR19960009546 A KR 19960009546A KR 970067073 A KR970067073 A KR 970067073A
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KR
South Korea
Prior art keywords
low level
gate low
field
gate
driving
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KR1019960009546A
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English (en)
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KR100219116B1 (ko
Inventor
윤상영
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구자홍
Lg 전자 주식회사
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Application filed by 구자홍, Lg 전자 주식회사 filed Critical 구자홍
Priority to KR1019960009546A priority Critical patent/KR100219116B1/ko
Priority to US08/740,662 priority patent/US6005542A/en
Publication of KR970067073A publication Critical patent/KR970067073A/ko
Application granted granted Critical
Publication of KR100219116B1 publication Critical patent/KR100219116B1/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
    • 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
    • G09G2320/0247—Flicker reduction other than flicker reduction circuits used for single beam cathode-ray tubes
    • 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

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

Abstract

본 발명은 종래의 라인 인버전 방식의 티에프티 엘시디 디스플레이 판넬 구동방법이 가진 깜박임 현상을 해소하기 위하여, TFT의 게이트-소오스 전압 Vgs를 포지티브 필드와 네거티브 필드에서 거의 일치하도록 하려는 것이며, 게이트 로우 레벨 전압을 포지티브 필드와 네거티브 필드에서 각기 다르게 하여 공급하는 방법이다. 즉 포지티브 필드에서의 게이트 로우 레벨 전압과 네거티브 필드에서의 게이트 로우 레벨을 서로 다르게 하는데, 그 크기는 대략 공통 전압의 하이 레벨과 로우 레벨의 차이만큼 차이가 나도록 하여 구동하는 것이다.

Description

티에프티 엘시디 디스플레이의 구동방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도의 (가)와 (나)는 TFT LCD 패널의 하나의 픽셀에 대한 등가 회로도이다, 제2도는 TFT LCD 패널을 구동하는 라인 인버전 방식의 게이트 구동 펄스의 파형과 타이밍 도이다, 제3도는 TFT LCD 패널을 구동하는 플로팅 게이트 방식의 게이트 구동 펄스의 파형과 타이밍 도이다.

Claims (3)

  1. 라인 인버전 방식의 티에프티 엘시디 디스플레이의 구동방법으로서, 포지티브 필드에서의 게이트 로우 레벨 전압과 네거티브 필드에서의 게이트 로우 레벨을 서로 다르게 하여 게이트 라인을 구동하는 것을 특징으로 하는 티에프티 엘시디 디스플레이의 구동방법.
  2. 제1항에 있어서, 포지티브 필드에서의 게이트 로우 레벨 전압과 네거티브 필드에서의 게이트 로우 레벨을 대략 공통 전압의 하이 레벨과 로우 레벨의 차이만큼 차이가 나도록 하여 구동하는 것이 특징인 라인 인버전 방식의 티에프티 엘시디 디스플레이의 구동방법.
  3. 제1항에 있어서, 포지티브 필드에서의 게이트 로우 레벨 전압과 네거티브 필드에서의 게이트 로우 레벨을 서로 다르게 하여 구동하되, 그 레벨의 차이를 조절할 수 있도록 하여 구동하는 것이 특징인 라인 인버전 방식의 티에프티 엘시디 디스플레이의 구동방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019960009546A 1996-03-30 1996-03-30 티에프티 엘시디 디스플레이의 구동방법 KR100219116B1 (ko)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1019960009546A KR100219116B1 (ko) 1996-03-30 1996-03-30 티에프티 엘시디 디스플레이의 구동방법
US08/740,662 US6005542A (en) 1996-03-30 1996-10-31 Method for driving a thin film transistor liquid crystal display device using varied gate low levels

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019960009546A KR100219116B1 (ko) 1996-03-30 1996-03-30 티에프티 엘시디 디스플레이의 구동방법

Publications (2)

Publication Number Publication Date
KR970067073A true KR970067073A (ko) 1997-10-13
KR100219116B1 KR100219116B1 (ko) 1999-09-01

Family

ID=19454665

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019960009546A KR100219116B1 (ko) 1996-03-30 1996-03-30 티에프티 엘시디 디스플레이의 구동방법

Country Status (2)

Country Link
US (1) US6005542A (ko)
KR (1) KR100219116B1 (ko)

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KR101002324B1 (ko) * 2003-12-22 2010-12-17 엘지디스플레이 주식회사 액정표시장치 및 그의 구동방법
KR101171188B1 (ko) * 2005-11-22 2012-08-06 삼성전자주식회사 표시 장치 및 그 구동 방법
TWI449009B (zh) * 2005-12-02 2014-08-11 Semiconductor Energy Lab 顯示裝置和使用該顯示裝置的電子裝置
US8633889B2 (en) 2010-04-15 2014-01-21 Semiconductor Energy Laboratory Co., Ltd. Display device, driving method thereof, and electronic appliance
TWI534773B (zh) 2010-04-23 2016-05-21 半導體能源研究所股份有限公司 顯示裝置的驅動方法
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Publication number Publication date
US6005542A (en) 1999-12-21
KR100219116B1 (ko) 1999-09-01

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