KR940013190A - 표시장치의 구동회로 - Google Patents

표시장치의 구동회로 Download PDF

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Publication number
KR940013190A
KR940013190A KR1019930025574A KR930025574A KR940013190A KR 940013190 A KR940013190 A KR 940013190A KR 1019930025574 A KR1019930025574 A KR 1019930025574A KR 930025574 A KR930025574 A KR 930025574A KR 940013190 A KR940013190 A KR 940013190A
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KR
South Korea
Prior art keywords
voltage
pixel
display device
driving circuit
applying
Prior art date
Application number
KR1019930025574A
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English (en)
Other versions
KR960014499B1 (ko
Inventor
히사오 오까다
다다쯔구 니시따니
도시히로 야나기
Original Assignee
쯔지 하루오
샤프 가부시끼가이샤
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Publication of KR940013190A publication Critical patent/KR940013190A/ko
Application granted granted Critical
Publication of KR960014499B1 publication Critical patent/KR960014499B1/ko

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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
    • G09G3/3696—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
    • 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
    • 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

Landscapes

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

Abstract

본 발명은 평판 표시장치의 구동회로에 관한 것으로, 특히 수신된 디지탈 영상신호에 응하여 계조를 갖는 영상을 만들어내도록 디지탈 영상신호를 수신하는 표시장치의 구동회로에 관한 것이다. 이 표시장치의 구동회로는 화소에 특정의 전압을 인가하여서 영상을 표시할수 있고, 공급된 복수의 계조용 기준전압에 기초하여 이를 계조용 기준전압의 전압레벨 사이의 보간전압을 발생시키고, 상기 보간전압을 상기 화소에 인가하는 제1전압출력수단; 및 상기 계조용 기준전압과는 다른 전압을 상기 화소에 인가하는 제2전압출력수단을 포함한다.

Description

표시장치의 구동회로
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제5도는 본 발명에 따른 구동회로를 이용한 데이타 구동기의 일부분의 개략적인 회로도,
제6도는 제5도에 도시된 선택제어회로(53)에 입력되는 신호 t의 파형도,
제7도는 본 발명에 따른 다른 구동회로를 이용한 데이타 구동기의 회로구성부의 개략적인 회로도,
제8도는 화소에 인가된 전압과 이로인한 화소의 투과율 사이의 관계를 보여주는 그래프.

Claims (3)

  1. 화소에 특정의 전압을 인가하여서 영상을 표시할수 있는 표시장치의 구동회로에 있어서; 공급된 복수의 계조용 기준전압에 기초하여 이들 계조용 기준전압의 전압레벨 사이의 보간전압을 발생시키고, 상기 보간전압을 상기 화소에 인가하는 제1전압출력 수단; 및 상기 계조용 기준전압과는 다른 전압을 상기 화소에 인가하는 제2전압출력수단을 포함하는 표시장치의 구동회로.
  2. 제1항에 있어서, 상기 제2전압출력수단에 의해 상기 화소에 인가된 전압이 최대 계조를 구하는데 사용되는 표시장치의 구동회로.
  3. 제1항에 있어서, 상기 제2전압출력수단에 의해 상기 화소에 인가된 전압이 최소 계조를 구하는데 사용되는 표시장치의 구동회로.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019930025574A 1992-11-25 1993-11-25 표시장치의 구동회로 KR960014499B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP4315421A JP2849010B2 (ja) 1992-11-25 1992-11-25 表示装置の駆動回路
JP92-315421 1992-11-25

Publications (2)

Publication Number Publication Date
KR940013190A true KR940013190A (ko) 1994-06-25
KR960014499B1 KR960014499B1 (ko) 1996-10-16

Family

ID=18065182

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019930025574A KR960014499B1 (ko) 1992-11-25 1993-11-25 표시장치의 구동회로

Country Status (4)

Country Link
US (1) US5680148A (ko)
JP (1) JP2849010B2 (ko)
KR (1) KR960014499B1 (ko)
CN (1) CN1029712C (ko)

Families Citing this family (7)

* 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
JPH08115060A (ja) * 1994-10-14 1996-05-07 Sharp Corp 表示装置の駆動回路及び液晶表示装置
JP3512710B2 (ja) * 2000-05-30 2004-03-31 Ｎｅｃ液晶テクノロジー株式会社 液晶表示装置
JP2003172915A (ja) * 2001-09-26 2003-06-20 Sharp Corp 液晶表示装置
JP3829809B2 (ja) * 2003-02-18 2006-10-04 セイコーエプソン株式会社 表示装置の駆動回路及び駆動方法、並びに表示装置及び投射型表示装置
JP4936854B2 (ja) * 2006-10-25 2012-05-23 ルネサスエレクトロニクス株式会社 表示装置、及び表示パネルドライバ
JP5716292B2 (ja) * 2010-05-07 2015-05-13 ソニー株式会社 表示装置、電子機器、表示装置の駆動方法

Family Cites Families (7)

* 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.
US5266936A (en) * 1989-05-09 1993-11-30 Nec Corporation Driving circuit for liquid crystal display
EP0478386B1 (en) * 1990-09-28 1995-12-13 Sharp Kabushiki Kaisha Drive circuit for a display apparatus
JPH04140787A (ja) * 1990-10-01 1992-05-14 Sharp Corp 表示装置の駆動回路
JP2659473B2 (ja) * 1990-09-28 1997-09-30 富士通株式会社 表示パネル駆動回路
JP2761128B2 (ja) * 1990-10-31 1998-06-04 富士通株式会社 液晶表示装置
JP3075006B2 (ja) * 1993-03-26 2000-08-07 神鋼電機株式会社 フォークリフトの昇降制御方法

Also Published As

Publication number Publication date
JP2849010B2 (ja) 1999-01-20
CN1092194A (zh) 1994-09-14
KR960014499B1 (ko) 1996-10-16
CN1029712C (zh) 1995-09-06
US5680148A (en) 1997-10-21
JPH06161387A (ja) 1994-06-07

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