KR980006859A - 액정 디스플레이 패널이 특별한 신호 처리기 없이 확대된 화상을 표시하도록하는 구동회로 - Google Patents

액정 디스플레이 패널이 특별한 신호 처리기 없이 확대된 화상을 표시하도록하는 구동회로 Download PDF

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Publication number
KR980006859A
KR980006859A KR1019970023479A KR19970023479A KR980006859A KR 980006859 A KR980006859 A KR 980006859A KR 1019970023479 A KR1019970023479 A KR 1019970023479A KR 19970023479 A KR19970023479 A KR 19970023479A KR 980006859 A KR980006859 A KR 980006859A
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South Korea
Prior art keywords
driving circuit
signal
group
sample
image signal
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KR1019970023479A
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English (en)
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KR100255987B1 (ko
Inventor
다쓰야 시끼
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가네꼬 히사시
닛뽕덴끼 가부시끼가이샤
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Publication of KR980006859A publication Critical patent/KR980006859A/ko
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Publication of KR100255987B1 publication Critical patent/KR100255987B1/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
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/003—Details of a display terminal, the details relating to the control arrangement of the display terminal and to the interfaces thereto
    • G09G5/005—Adapting incoming signals to the display format of the display terminal
    • 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
    • G09G2310/0297—Special arrangements with multiplexing or demultiplexing of display data in the drivers for data electrodes, in a pre-processing circuitry delivering display data to said drivers or in the matrix panel, e.g. multiplexing plural data signals to one D/A converter or demultiplexing the D/A converter output to multiple columns
    • 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
    • G09G2340/00—Aspects of display data processing
    • G09G2340/04—Changes in size, position or resolution of an image
    • G09G2340/0407—Resolution change, inclusive of the use of different resolutions for different screen areas
    • G09G2340/0414—Vertical resolution change
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2340/00—Aspects of display data processing
    • G09G2340/04—Changes in size, position or resolution of an image
    • G09G2340/0407—Resolution change, inclusive of the use of different resolutions for different screen areas
    • G09G2340/0421—Horizontal resolution change
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/003—Details of a display terminal, the details relating to the control arrangement of the display terminal and to the interfaces thereto
    • G09G5/006—Details of the interface to the display terminal

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)
  • Transforming Electric Information Into Light Information (AREA)

Abstract

구동회로는 액정 디스플레이 패널의 데이터 버스에 접속된 복수개의 샘플 및 유지 회로를 갖는다. 데이터 버스는 복수개의 그룹으로 분리된다. 각 그룹은 화상신호를 수신하여 데이터 버스를 구동한다. 타이밍 제어기는 동기신호 및 클록신호에 반응하여 그룹의 동작 타이밍을 제어하여 각 그룹을 서로 독립적으로 제어한다.

Description

액정 디스플레이 패널이 특별한 신호 처리기 없이 확대된 화상을 표시하도록 하는 구동회로
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제5도는 본 발명의 바람직한 실시예에 따른 구동회로의 블록도.

Claims (7)

  1. 동기신호, 및 클록신호에 반응하여 동작하여 복수개의 데이터버스를 갖는 액정 디스플레이 패널을 구동하는 구동회로에 있어서, 상기 데이터 버스에 각각 접속되며, 상기 화상신호를 수신하여 상기 데이터 버스를 구동하는 복수개의 그룹으로 분리되는 복수개의 샘플 및 유지회로, 및 그룹에 대한 상기 데이터 버스가 독립적으로 구동되도록 상기 동기신호 및 상기 클록신호에 반응하여 상기 샘플 및 유지회로의 그룹의 동작 타이밍을 제어하는 타이밍 제어수단을 구비하는 것을 특징으로 하는 구동회로.
  2. 제 1 항에 있어서, 상기 타이밍 제어수단은 상기 그룹 샘플을 동시에 규칙적으로 상기 화상신호로 만들어 상기 화상신호의 데이터를 보정하는 것을 특징으로 하는 구동회로.
  3. 제 2 항에 있어서, 상기 타이밍 제어수단은 상기 그룹의 동작 타이밍을 상기 화상신호의 일 프레임 만큼 변경시키는 것을 특징으로 하는 구동회로.
  4. 제 2 항에 있어서, 상기 타이밍 제어수단은 샘플 개시신호를 생성하여 각 그룹의 상기 샘플 및 유지회로중 한 개를 선택하며 각 그룹의 상기 샘플 및 유지회로 중 선택된 한 개에 대한 스위칭 신호를 생성하여 상기 동작 타이밍을 제어하는 것을 특징으로 하는 구동회로.
  5. 제 1 항에 있어서, 상기 타이밍 제어수단은 상기 그룹 샘플을 동시에 규칙적으로 상기 화상신호로 만들어 상기 화상신호에 의해 표시되는 원 화상을 확대하는 것을 특징으로 하는 구동회로.
  6. 제 1 항에 있어서, 상기 구동회로는 입력신호를 보정하며 상기 보정신호를 상기 화상신호로서 상기 그룹에 공급하는 신호 처리기를 또한 구비하는 것을 특징으로 하는 구동회로.
  7. 홀수 버스 및 짝수 버스로 분리되는 복수개의 데이터 버스를 갖는 액정 디스플레이 패널 구동방법에 있어서, 제 1 모드에서 서로 교대로 구동되도록 짝수 및 홀수버스를 구동하는 단계와, 제 1 모드와 상이한 제 2 모드에서 홀수 및 짝수 버스를 구동하는 단계를 구비하는 것을 특징으로 하는 액정 디스플레이 패널 구동방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019970023479A 1996-06-07 1997-06-05 특별한신호처리기없이확대화상을표시하도록하는액정디스플레이장치의구동회로 KR100255987B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP96-145649 1996-06-07
JP8145649A JP2923906B2 (ja) 1996-06-07 1996-06-07 液晶表示装置の駆動回路

Publications (2)

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KR980006859A true KR980006859A (ko) 1998-03-30
KR100255987B1 KR100255987B1 (ko) 2000-05-01

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Application Number Title Priority Date Filing Date
KR1019970023479A KR100255987B1 (ko) 1996-06-07 1997-06-05 특별한신호처리기없이확대화상을표시하도록하는액정디스플레이장치의구동회로

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Country Link
US (1) US6292162B1 (ko)
JP (1) JP2923906B2 (ko)
KR (1) KR100255987B1 (ko)
TW (1) TW352430B (ko)

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Also Published As

Publication number Publication date
US6292162B1 (en) 2001-09-18
JPH09325740A (ja) 1997-12-16
JP2923906B2 (ja) 1999-07-26
KR100255987B1 (ko) 2000-05-01
TW352430B (en) 1999-02-11

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