KR920008524A - 액정셀 구동 방법 - Google Patents

액정셀 구동 방법 Download PDF

Info

Publication number
KR920008524A
KR920008524A KR1019910018677A KR910018677A KR920008524A KR 920008524 A KR920008524 A KR 920008524A KR 1019910018677 A KR1019910018677 A KR 1019910018677A KR 910018677 A KR910018677 A KR 910018677A KR 920008524 A KR920008524 A KR 920008524A
Authority
KR
South Korea
Prior art keywords
liquid crystal
reference signals
pulses
column
driving
Prior art date
Application number
KR1019910018677A
Other languages
English (en)
Inventor
모슬리 앨런
콜린 런들 패트릭
Original Assignee
시이 에프 호우스트
지이이이시이-마아코니 리미팃드
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 시이 에프 호우스트, 지이이이시이-마아코니 리미팃드 filed Critical 시이 에프 호우스트
Publication of KR920008524A publication Critical patent/KR920008524A/ko

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • 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
    • G09G3/3648—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
    • G09G2310/00—Command of the display device
    • G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
    • G09G2310/0224—Details of interlacing

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Liquid Crystal (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)

Abstract

내용 없음

Description

액정셀 구동 방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 능동 매트릭스 선택식 LCD내 액정 셀그룹용 RCT건축구동 회로의 회로도.
제5도는 본 발명에 따르는 구동회로에서의 파형을 보여주는 도면.

Claims (4)

  1. 저항-결합 트랜지스터 유형의 능동 매트릭스 선택 액정 디스플레이의 액정셀들을 구동하는 방법으로서, 제1필드 주기동안은 N-1, N+1, N+3....의 셀열들이 그 관련 열어드레스선들(10,12,1..)에 트랜지스터 턴온펄스들(63,67,....)이 제공됨으로써 순차적으로 선택되는 반면, N, N+2, N+4...열에 관련된 열어드레스선들(11,13...)에는 기준 신호들(65,69)이 순차적으로 제공되는데, N-1열에 대한 턴온펄스와 N열에 대한 기준신호는 동시적으로 발생하며; 제2펄드주기동안은, N, N+2, N+4...의 셀열들이 그 관련 열어드레스선들에 트랜지스터 턴온펄스들(66,70....)이 제공됨으로써 순차적으로 어드레스되는 반면, N+1, N+3, N+5...열과 관련된 열어드레스선들(12,...)에는 기준신호들이 순차적으로 제공되는데, N열에 대한 턴온펄스와 N+1열에 대한 기준신호는 동시적으로 발생하는 것을 특징으로 하는 액정셀 구동방법.
  2. 제1항에 있어서, 상기 기준신호들은 모두 진폭이 같은 것을 특징으로 하는 액정셀 구동방법.
  3. 제1항에 있어서, 상기 기준신호들은 그 진폭이 액정셀들을 구동할 데이타펄스들이 추출되는 텔레비젼 신호의 선단위로 교호하는 두개의 상이한 진폭인 것을 특징으로 하는 액정셀 구동방법.
  4. 제1항에 있어서, 상기 기준신호들은 그 진폭이 액정셀을 구동할 데이타펄스들이 추출되는 텔레비젼 신호의 프레임 단위로 교호하는 두개의 상이한 진폭인 것을 특징으로 하는 액정셀 구동방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개되는 것임.
KR1019910018677A 1990-10-24 1991-10-23 액정셀 구동 방법 KR920008524A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9023133A GB2249210B (en) 1990-10-24 1990-10-24 Liquid crystal displays
GB9023133.3 1990-10-24

Publications (1)

Publication Number Publication Date
KR920008524A true KR920008524A (ko) 1992-05-28

Family

ID=10684281

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910018677A KR920008524A (ko) 1990-10-24 1991-10-23 액정셀 구동 방법

Country Status (6)

Country Link
US (1) US5241392A (ko)
EP (1) EP0482839A3 (ko)
JP (1) JPH04284493A (ko)
KR (1) KR920008524A (ko)
GB (1) GB2249210B (ko)
TW (1) TW218923B (ko)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5748164A (en) * 1994-12-22 1998-05-05 Displaytech, Inc. Active matrix liquid crystal image generator

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4455576A (en) * 1981-04-07 1984-06-19 Seiko Instruments & Electronics Ltd. Picture display device
JPS59113420A (ja) * 1982-12-21 1984-06-30 Citizen Watch Co Ltd マトリクス表示装置の駆動方法
JPH0652938B2 (ja) * 1986-01-28 1994-07-06 株式会社精工舎 液晶表示装置
KR900004989B1 (en) * 1986-09-11 1990-07-16 Fujitsu Ltd Active matrix type display and driving method
DE3884442T2 (de) * 1987-04-15 1994-02-17 Sharp Kk Flüssigkristallanzeigegerät.
JP2555420B2 (ja) * 1988-08-29 1996-11-20 株式会社日立製作所 液晶マトリックス・パネルの中間調表示駆動回路
JPH02157813A (ja) * 1988-12-12 1990-06-18 Sharp Corp 液晶表示パネル

Also Published As

Publication number Publication date
EP0482839A3 (en) 1993-01-07
GB9023133D0 (en) 1990-12-05
JPH04284493A (ja) 1992-10-09
TW218923B (ko) 1994-01-11
US5241392A (en) 1993-08-31
EP0482839A2 (en) 1992-04-29
GB2249210A (en) 1992-04-29
GB2249210B (en) 1994-07-27

Similar Documents

Publication Publication Date Title
KR880011615A (ko) 액정 표시장치 및 그 구동방법
WO1993018501A1 (en) Method and circuit for driving liquid crystal elements, and display apparatus
KR920015258A (ko) Lcd제어기, lcd장치 및 정보처리장치
KR920008662A (ko) 액정 표시 장치
KR930000996A (ko) 전기광학장치의 화상표시방법 및 표시장치
KR890010594A (ko) 매트릭스 표시장치
TW200509042A (en) Liquid crystal display apparatus and method for driving the same
KR920018643A (ko) 액정표시장치와 그 구동 방법
KR970011960A (ko) 액정 표시 장치
KR920008661A (ko) 디스플레이 구동 방법 및 장치
KR920017012A (ko) 액정표시장치
KR930008701A (ko) 액티브매트릭스형 액정표시장치의 구동 장치 및 방법
KR940024652A (ko) 액정 장치의 구동 방법
KR950020377A (ko) 액정 표시 패널 구동장치
GB1473150A (ko)
KR920008524A (ko) 액정셀 구동 방법
KR20050012455A (ko) 펄스 폭 변조 구동 방식을 이용한 다계조의 화상 표시 장치
KR910008634A (ko) 표시제어장치
KR970076456A (ko) 펄스 폭 변조를 이용한 다중 라인 선택 전압 인가 방식의 큰휨 네마틱 액정 표시기(stn-lcd) 구동 회로
KR970007421A (ko) 액정표시소자의 드라이버 아이씨(ic) 구조
KR950019824A (ko) 매트릭스형 액정표시장치의 구동장치 및 그 구동방법
KR960038721A (ko) 티에프티 액정(tfe lcd) 구동방법
JPH1031201A (ja) 液晶表示装置およびその駆動方法
KR940007575A (ko) 액정표시장치 구동방법
KR980003688A (ko) 분할구동 액정표시장치

Legal Events

Date Code Title Description
WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid