KR940011995A - 표시장치의 구동회로와 구동방법 - Google Patents

표시장치의 구동회로와 구동방법 Download PDF

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KR940011995A
KR940011995A KR1019930025575A KR930025575A KR940011995A KR 940011995 A KR940011995 A KR 940011995A KR 1019930025575 A KR1019930025575 A KR 1019930025575A KR 930025575 A KR930025575 A KR 930025575A KR 940011995 A KR940011995 A KR 940011995A
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driving circuit
signal
voltage
driving
pixels
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KR1019930025575A
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KR970004243B1 (ko
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히사오 오까다
시게유끼 우에히라
준지 가와니시
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쯔지 하루오
샤프 가부시끼가이샤
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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
    • G09G3/2007—Display of intermediate tones
    • G09G3/2011—Display of intermediate tones by amplitude modulation
    • 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
    • G09G3/3685—Details of drivers for data electrodes
    • G09G3/3688—Details of drivers for data 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
    • G09G3/34—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
    • G09G2310/027—Details of drivers for data electrodes, the drivers handling digital grey scale data, e.g. use of D/A converters
    • 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
    • G09G2320/0271—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping
    • G09G2320/0276—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping for the purpose of adaptation to the characteristics of a display device, i.e. gamma correction
    • 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
    • G09G3/2007—Display of intermediate tones
    • G09G3/2014—Display of intermediate tones by modulation of the duration of a single pulse during which the logic level remains constant
    • 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)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal (AREA)
  • Liquid Crystal Display Device Control (AREA)

Abstract

본 발명은 평판 표시장치의 구동방법과 이 표시장치의 구동회로에 관한 것으로, 특히 수신된 디지털 영상신호에 응하여 그레이 스케일의 영상을 만들어내도록 디지털 영상신호를 수신하는 표시장치를 구동하는 방법과 그 표시장치의 구동회로에 관한 것이다. 이 구동방법은, 복수의 화소와 이들 화소에 각각 접속된 스위칭소자를 갖는 표시부, 상기 표시부를 구동하기 위한 구동회로 및 이 구동회로와 스위칭 소자들을 접속하는 신호의 포함하고, 상기 화소들에 특정 전압들을 인가함으로써 영상을 생성할 수 있는 방법으로서; 1출력기간의 개시로부터 일정 기간동안, 상기 구동회로가 진동하지 않는 전압신호를 상기 신호선들 각각에 출력하는 단계; 및 상기 일정기간의 경과후 상기 제1출력기간의 종료까지, 상기 구동회로가 적어도 1회 진동하는 진동성분을 갖는 진동전압신호를 상기 신호선들 각각에 출력하는 단계를 포함한다.

Description

표시장치의 구동회로와 구동방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제5도는 그레이 스케일 기준전압 V0과 V2의 파형도,
제6도는 그레이 스케일 기준전압V0과 V2를 공급하는 전원회로(60)의 회로도,
제7도는 데이터 구동기에 부하를 주는 데이터선의 등가회로도,
제8도는 기생진동이 발생한 전원회로로부터 공급되는 그레이 스케일 기준전압 V0의 파형도.

Claims (7)

  1. 복수의 화소와 이들 화소에 각각 접속된 스위칭소자를 갖는 표시부, 상기 표시부를 구동하기 위한 구동회로, 및 이 구동회로와 스위칭소자들을 접속하는 신호선을 포함하고, 상기 화소들에 특정 전압들을 인가함으로써 영상을 생성할 수 있는 표시장치의 구동방법으로서; 1출력기간의 개시로부터 일정기간 동안, 상기 구동회로가 진동하지 않는 전압신호를 상기 신호선들 각각에 출력하는 단계; 및 상기 일정 기간의 경과후 상기 제1출력기간의 종료까지, 상기 구동회로가 적어도 1회 진동하는 진동성분을 갖는 진동전압신호를 상기 신호선들 각각에 출력하는 단계;를 포함하는 표시장치의 구동방법.
  2. 제1항에 있어서, 상기 일정 기간은 상기 구동회로가 과도 상태, 즉 상기 출력기간의 개시 직후에 구동회로가 상승하는 상태에 있는 기간을 포함하는 표시장치의 구동방법.
  3. 제1항에 있어서, 상기 진동전압신호가 제1전압과 제2전압 사이를 주기적으로 진동하는 표시장치의 구동방법.
  4. 복수의 화소와 이들 화소에 각각 접속된 스위칭소자를 갖는 표시부, 및 상기 스위칭소자들에 접속된 신호선들을 포함하고, 상기 화소들에 특정 전압들을 인가함으로써 영상을 생성할 수 있는 표시장치의 구동회로로서; 1출력기간의 개시로 부터 일정기간 동안, 진동하지 않는 전압신호를 상기 신호선들 각각에 출력한 다음, 상기 일정기간의 경과후 상기 1출력기간의 종료까지 적어도 1회 진동하는 진동성분을 갖는 진동전압 신호를 상기 신호선에 출력하는 전압신호 출력제어수단을 포함하는 구동회로.
  5. 제4항에 있어서, 상기 일정 기간은 상기 구동회로가 과도 상태, 즉 상기 출력기간의 개시 직후에 구동회로가 상승하는 상태에 있는 기간을 포함하는 표시장치의 구동방법.
  6. 제4항에 있어서, 상기 진동전압신호가 제1전압과 제2전압 사이를 주기적으로 진동하는 구동회로.
  7. 제4항에 있어서, 상기 전압신호 출력제어수단이, 복수의 스위칭 수단; 및 디지털 영상테이타를 수신하고, 이렇게 수신된 영상데이타에 따라 상기 스위칭 수단들 각각의 ON/OFF 상태를 제어하도록 스위칭수단들을 각각 ON/OFF하는 선택제어회로;를 포함하고, 상기 스위칭수단 각각에는 ON상태일때만 사로 다른 전압신호들이 공급되어, 상기 신호선들 각각으로 출력되며; 상기 선택제어회로는 상기 일정기간동안에 상기 스위칭수단들중의 하나를 ON상태로 한 다음, 상기 일정 기간의 경과후 상기 1출력기간의 종료까지 상기 복수의 스위칭소자들중의 적어도 한쌍의 스위치소자의 ON/OFF 상태를 제어하여 교대로 ON시키는 구동회로.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019930025575A 1992-11-25 1993-11-25 표시장치의 구동회로와 구동방법 KR970004243B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP4315422A JP2806718B2 (ja) 1992-11-25 1992-11-25 表示装置の駆動方法及び駆動回路
JP92-315422 1992-11-25

Publications (2)

Publication Number Publication Date
KR940011995A true KR940011995A (ko) 1994-06-22
KR970004243B1 KR970004243B1 (ko) 1997-03-26

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Country Link
US (1) US5642126A (ko)
JP (1) JP2806718B2 (ko)
KR (1) KR970004243B1 (ko)
CN (1) CN1047016C (ko)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR0140041B1 (ko) * 1993-02-09 1998-06-15 쯔지 하루오 표시 장치용 전압 발생 회로, 공통 전극 구동 회로, 신호선 구동 회로 및 계조 전압 발생 회로
JP2002082645A (ja) * 2000-06-19 2002-03-22 Sharp Corp 画像表示装置の列電極駆動回路及びそれを用いた画像表示装置
JP3800401B2 (ja) 2001-06-18 2006-07-26 株式会社日立製作所 画像表示装置及びその駆動方法
TWI273539B (en) * 2001-11-29 2007-02-11 Semiconductor Energy Lab Display device and display system using the same
KR101022581B1 (ko) * 2003-12-30 2011-03-16 엘지디스플레이 주식회사 아날로그 버퍼 및 그를 이용한 액정 표시 장치 및 그 구동방법

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3686219T2 (de) * 1985-09-06 1993-03-18 Matsushita Electric Ind Co Ltd Verfahren zur ansteuerung eines fluessigkristallrasterbildschirmes.
JP2572578B2 (ja) * 1985-09-26 1997-01-16 セイコーエプソン株式会社 画像表示装置及びその駆動方法
JP2849740B2 (ja) * 1986-03-17 1999-01-27 セイコーインスツルメンツ株式会社 強誘電性液晶電気光学装置
JP2826744B2 (ja) * 1989-03-02 1998-11-18 キヤノン株式会社 液晶表示装置
JPH0353218A (ja) * 1989-07-21 1991-03-07 Nippon Telegr & Teleph Corp <Ntt> 画像表示パネル
JPH087340B2 (ja) * 1990-07-06 1996-01-29 スタンレー電気株式会社 液晶表示器の駆動装置
DE69115414T2 (de) * 1990-09-28 1996-06-13 Sharp Kk Steuerschaltung für ein Anzeigegerät
JPH04136981A (ja) * 1990-09-28 1992-05-11 Sharp Corp 表示装置の駆動回路
JPH04142592A (ja) * 1990-10-04 1992-05-15 Oki Electric Ind Co Ltd 液晶表示装置
JPH04299388A (ja) * 1991-03-28 1992-10-22 Casio Comput Co Ltd 液晶表示素子の駆動方法
DE69226723T2 (de) * 1991-05-21 1999-04-15 Sharp Kk Verfahren und Einrichtung zum Steuern einer Anzeigeeinrichtung

Also Published As

Publication number Publication date
CN1098535A (zh) 1995-02-08
US5642126A (en) 1997-06-24
CN1047016C (zh) 1999-12-01
JP2806718B2 (ja) 1998-09-30
KR970004243B1 (ko) 1997-03-26
JPH06161388A (ja) 1994-06-07

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