KR970012278A - 액정 디스플레이 구동회로 - Google Patents

액정 디스플레이 구동회로 Download PDF

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Publication number
KR970012278A
KR970012278A KR1019950023679A KR19950023679A KR970012278A KR 970012278 A KR970012278 A KR 970012278A KR 1019950023679 A KR1019950023679 A KR 1019950023679A KR 19950023679 A KR19950023679 A KR 19950023679A KR 970012278 A KR970012278 A KR 970012278A
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KR
South Korea
Prior art keywords
liquid crystal
inverting
crystal panel
control capacitor
driving circuit
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Application number
KR1019950023679A
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English (en)
Other versions
KR0156171B1 (ko
Inventor
박승우
Original Assignee
문정환
Lg 반도체주식회사
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Application filed by 문정환, Lg 반도체주식회사 filed Critical 문정환
Priority to KR1019950023679A priority Critical patent/KR0156171B1/ko
Publication of KR970012278A publication Critical patent/KR970012278A/ko
Application granted granted Critical
Publication of KR0156171B1 publication Critical patent/KR0156171B1/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
    • G09G3/3648—Control of matrices with row and column drivers using an active matrix
    • G09G3/3659—Control of matrices with row and column drivers using an active matrix the addressing of the pixel involving the control of two or more scan electrodes or two or more data electrodes, e.g. pixel voltage dependant on signal of two data electrodes
    • 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
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2230/00—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
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/08—Active matrix structure, i.e. with use of active elements, inclusive of non-linear two terminal elements, in the pixels together with light emitting or modulating elements
    • G09G2300/0809—Several active elements per pixel in active matrix panels
    • G09G2300/0828—Several active elements per pixel in active matrix panels forming a digital to analog [D/A] conversion circuit

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

Abstract

본 발명은 액정 디스플레이 구동회로에 관한 것으로 액정 패널의 반전 구동시에 반전된 데이터 전압을 액정패널에 인가하기 위하여 반전 전원을 공급하는 반전전압 공급부로 구성된 액정 디스플레이 구동회로.

Description

액정 디스플레이 구동회로
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 박막 트랜지스터 액정표시패널(TFT LCD Pannel)구조를 나타낸 구성도,
제2도는 종래의 액정 패널 구동방법 및 데이터 예를 예시한 타이밍도,
제3도는 본 발명의 액정 디스플레이 구동 회로도,
제4도는 LCD의 광투과율 특성을 나타낸 그래프,
제5도는 본 발명의 액정 패널 구동방법 및 데이터 예를 예시한 타이밍도,
제6도는 본 발명의 S/W 블록 논리표.

Claims (2)

  1. 액정 패널의 반전 구동시에 반전된 데이터 전압을 액정 패널에 인가하기 위하여 반전전원을 공급하는 반전전압 공급부로 구성된 것을 특징으로 하는 액정 패널을 갖는 액정 디스플레이 구동회로.
  2. 제1항에 있어서 상기 반전전압 공급부를 반전제어 커패시터와, -단자가 접지되고, 상기 반전제어 커패시터와 직렬연결된 반전전원과, 상기 반전제어 커패시터와 상기 반전전원 사이에 접속되고, 액정 패널의 반전 구동시에만 액정 패널에 상기 반전전원을 공급하기 위하여 온(ON) 동작하는 스위치와, 상기 반전제어 커패시터에 병렬 접속되고, 액정 패널의 정상구동시에만 온(ON)동작하여 상기 반전제어 커패시터의 양단전압을 같게 해주는 스위치로 구성된 것을 특징으로 하는 액정 패널을 갖는 액정 디스플레이 구동회로.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019950023679A 1995-08-01 1995-08-01 액정 디스플레이 구동회로 KR0156171B1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950023679A KR0156171B1 (ko) 1995-08-01 1995-08-01 액정 디스플레이 구동회로

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950023679A KR0156171B1 (ko) 1995-08-01 1995-08-01 액정 디스플레이 구동회로

Publications (2)

Publication Number Publication Date
KR970012278A true KR970012278A (ko) 1997-03-29
KR0156171B1 KR0156171B1 (ko) 1998-12-15

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ID=19422580

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950023679A KR0156171B1 (ko) 1995-08-01 1995-08-01 액정 디스플레이 구동회로

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KR (1) KR0156171B1 (ko)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5694054A (en) * 1995-11-28 1997-12-02 Energy Conversion Devices, Inc. Integrated drivers for flat panel displays employing chalcogenide logic elements

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Publication number Publication date
KR0156171B1 (ko) 1998-12-15

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