KR930001121A - 표시 장치의 구동 회로 - Google Patents

표시 장치의 구동 회로 Download PDF

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Publication number
KR930001121A
KR930001121A KR1019920010173A KR920010173A KR930001121A KR 930001121 A KR930001121 A KR 930001121A KR 1019920010173 A KR1019920010173 A KR 1019920010173A KR 920010173 A KR920010173 A KR 920010173A KR 930001121 A KR930001121 A KR 930001121A
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South Korea
Prior art keywords
pixel
oscillation voltage
switching element
electrode
voltage
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KR1019920010173A
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English (en)
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KR960008105B1 (ko
Inventor
다까아끼 이에모또
고지 구마다
다까시 오오니시
히데끼 야꾸시가와
Original Assignee
쯔지 하루오
샤프 가부시끼가이샤
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Publication of KR930001121A publication Critical patent/KR930001121A/ko
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Publication of KR960008105B1 publication Critical patent/KR960008105B1/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
    • G09G1/00—Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators; General aspects or details, e.g. selection emphasis on particular characters, dashed line or dotted line generation; Preprocessing of data
    • 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
    • G09G3/3674—Details of drivers for scan electrodes
    • G09G3/3677—Details of drivers for scan electrodes suitable for active matrices only
    • 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
    • G09G3/22—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 using controlled light sources
    • G09G3/30—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 using controlled light sources using electroluminescent 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
    • 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
    • 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
    • G09G3/3696—Generation of voltages supplied to electrode 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
    • G09G2310/00—Command of the display device
    • G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
    • G09G2310/0264—Details of driving circuits
    • G09G2310/0267—Details of drivers for scan electrodes, other than drivers for liquid crystal, plasma or OLED displays
    • 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
    • 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)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Liquid Crystal (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)

Abstract

내용 없음

Description

표시 장치의 구동 회로
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 따른 구동회로의 1실시예를 나타내는 회로도,
제2(a), 2(b) 및 2(c)도는 제1도의 실시예에 대한 신호 파형도들,
제2(d)도는 주사 펄스와 역전압간의 관계를 보인 도면.

Claims (6)

  1. 화소, 상기 화소에 연결된 스위칭 소자와 상기 스위칭 소자에 연결된 주사 전극, 및 상기 화소의 대향측들상에 제공되는 화소 전극과 대향 전극을 포함하는 표시부를 갖는 표시장치용 구동 회로로서, 상기 구동회로는, 상기 대향전극에 제1발진 전압을 인가하기 위한 제1수단; 상기 스위칭 소자가 오프 상태로 되었을 때 소정 주기동안 상기 제1전압과 동일한 위상과 동일한 진폭을 갖는 제2발진 전압을 상기 주사 전극에 인가하기 위한 제2수단을 포함하는 것을 특징으로 하는 구동 회로.
  2. 제1항에 있어서, 상기 제2수단은 상시 스위칭 소자가 오프 상태 또는 온 상태로 되는지에 따라 상기 제1발진 전압과 동일한 위상과 동일한 진폭을 갖는 제2발진 전압 및 상기 제1전압과 동일한 위상을 갖는 제3발진 전압을 상기 주사 전극에 선택적으로 인가하는 것을 특징으로 하는 구동 회로.
  3. 화소, 상기 화소에 연결된 스위칭 소자와 상기 스위칭 소자에 연결된 주사 전극, 및 상기 화소의 대향측들상에 제공되는 화소 전극과 대향 전극을 구비하는 표시부; 및 상기 표시부를 구동하기 위한 구동회로;를 포함하며, 상기 구동 회로는 상기 대향전극에 제1발진 전압을 인가하기 위한 제1수단과 상기 스위칭 소자가 오프 상태로 되었을 때 소정 기간 동안 상기 제1발진 전압과 동일한 위상과 동일한 진폭을 갖는 제2발진 전압을 상기 주사 전극에 인가하기 위한 제2수단을 포함하는 것을 특징으로 하는 표시장치.
  4. 제3항에 있어서, 상기 제2수단은 상기 스위칭 소자가 오프 상태 또는 온 상태로 되는지에 따라 상기 제1발진 전압과 동일한 위상과 동일한 진폭을 갖는 제2발진 전압 및 상기 제1발진 전압과 동일한 위상을 갖는 제3발진 전압을 상기 주사 전극에 선택적으로 인가하는 것을 특징으로 하는표시장치.
  5. 제3항에 있어서,상기 스위칭 소자는 박막 트랜지스터(TFT)인 것을 특징으로 하는 표시장치.
  6. 화소, 상기 화소에 연결된 스위칭 소자와 상기 스위칭 소자에 연결된 주사 전극, 및 상기 화소의 대항측들상에 제공되는 화소 전극과 대향 전극을 포함하는 표시부를 갖는 표시장치를 구동하기 위한 방법으로서, 상기 방법은 상기 대향전극에 제1발진 전압을 인가하기 위한 단계; 및 상기 스위칭 소자가 오프 상태로 되었을 때 소정 기간 동안 상기 제1발진 전압과 동일한 위상 및 동일한 진폭을 갖는 제2발진 전압을 상기 주사 전극에 인가하기 위한 단계를 포함하는 것을 특징으로 하는 표시장치의 구동방법.
    ※참고사항:최초출원 내용에 의하여 공개되는 것임.
KR1019920010173A 1991-06-10 1992-06-10 표시 장치의 구동 회로와 표시장치의 구동방법 및 이를 이용한 표시장치 KR960008105B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP13802891A JP2948682B2 (ja) 1991-06-10 1991-06-10 表示装置の駆動回路
JP91-138028 1991-06-10

Publications (2)

Publication Number Publication Date
KR930001121A true KR930001121A (ko) 1993-01-16
KR960008105B1 KR960008105B1 (ko) 1996-06-19

Family

ID=15212361

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019920010173A KR960008105B1 (ko) 1991-06-10 1992-06-10 표시 장치의 구동 회로와 표시장치의 구동방법 및 이를 이용한 표시장치

Country Status (5)

Country Link
US (1) US5300945A (ko)
EP (1) EP0518643B1 (ko)
JP (1) JP2948682B2 (ko)
KR (1) KR960008105B1 (ko)
DE (1) DE69218296T2 (ko)

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KR940009734A (ko) * 1992-10-29 1994-05-24 카나이 쯔또무 매트릭스형 표시장치 및 그 구동방법
WO1995034986A2 (en) * 1994-06-09 1995-12-21 Philips Electronics N.V. A liquid crystal display with a drive circuit
KR0172881B1 (ko) * 1995-07-12 1999-03-20 구자홍 액정표시장치의 구조 및 구동방법
KR100230793B1 (ko) * 1995-07-28 1999-11-15 김영환 엘씨디의구동방식
JP3074640B2 (ja) * 1995-12-22 2000-08-07 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方法
US5945866A (en) * 1996-02-27 1999-08-31 The Penn State Research Foundation Method and system for the reduction of off-state current in field effect transistors
KR100219116B1 (ko) * 1996-03-30 1999-09-01 구자홍 티에프티 엘시디 디스플레이의 구동방법
US5949398A (en) * 1996-04-12 1999-09-07 Thomson Multimedia S.A. Select line driver for a display matrix with toggling backplane
JP3442581B2 (ja) * 1996-08-06 2003-09-02 株式会社ヒューネット ネマティック液晶の駆動方法
US6046716A (en) * 1996-12-19 2000-04-04 Colorado Microdisplay, Inc. Display system having electrode modulation to alter a state of an electro-optic layer
JPH11296150A (ja) 1998-04-10 1999-10-29 Masaya Okita 液晶の高速駆動方法
US7002542B2 (en) * 1998-09-19 2006-02-21 Lg.Philips Lcd Co., Ltd. Active matrix liquid crystal display
TW573290B (en) * 2000-04-10 2004-01-21 Sharp Kk Driving method of image display apparatus, driving apparatus of image display apparatus, and image display apparatus
US7078864B2 (en) * 2001-06-07 2006-07-18 Hitachi, Ltd. Display apparatus and power supply device for displaying
KR100499581B1 (ko) * 2002-09-26 2005-07-05 엘지.필립스 엘시디 주식회사 피모스소자 안정화를 위한 바이어스 인가장치
JP4761735B2 (ja) * 2003-08-25 2011-08-31 シャープ株式会社 液晶表示装置およびその駆動方法
KR100951358B1 (ko) * 2003-09-05 2010-04-08 삼성전자주식회사 액정 표시 장치 및 그 구동 장치
EP2008264B1 (en) * 2006-04-19 2016-11-16 Ignis Innovation Inc. Stable driving scheme for active matrix displays
JP4541332B2 (ja) * 2006-08-04 2010-09-08 株式会社日立製作所 表示装置
KR101931335B1 (ko) * 2012-03-23 2018-12-20 엘지디스플레이 주식회사 액정표시장치의 레벨 시프터

Family Cites Families (6)

* Cited by examiner, † Cited by third party
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JPS5875194A (ja) * 1981-10-30 1983-05-06 株式会社日立製作所 マトリクス表示装置及び駆動方法
JPH02136824A (ja) * 1988-11-18 1990-05-25 Seiko Epson Corp 液晶パネルの駆動回路
JPH02196218A (ja) * 1989-01-25 1990-08-02 Seiko Instr Inc 液晶表示装置の駆動方法
JPH0799452B2 (ja) * 1989-04-25 1995-10-25 シチズン時計株式会社 表示駆動回路
JPH0451116A (ja) * 1990-06-19 1992-02-19 Nec Corp アクティブマトリクス液晶表示パネルの駆動方法
JP3000637B2 (ja) * 1990-08-27 2000-01-17 セイコーエプソン株式会社 液晶表示装置の駆動方法

Also Published As

Publication number Publication date
EP0518643B1 (en) 1997-03-19
KR960008105B1 (ko) 1996-06-19
EP0518643A2 (en) 1992-12-16
EP0518643A3 (en) 1993-12-01
JPH04362689A (ja) 1992-12-15
JP2948682B2 (ja) 1999-09-13
DE69218296D1 (de) 1997-04-24
US5300945A (en) 1994-04-05
DE69218296T2 (de) 1997-11-20

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