KR900008307A - 멀티플렉스된 강유전성 액정의 어드레싱 기법 - Google Patents

멀티플렉스된 강유전성 액정의 어드레싱 기법 Download PDF

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Publication number
KR900008307A
KR900008307A KR1019890016962A KR890016962A KR900008307A KR 900008307 A KR900008307 A KR 900008307A KR 1019890016962 A KR1019890016962 A KR 1019890016962A KR 890016962 A KR890016962 A KR 890016962A KR 900008307 A KR900008307 A KR 900008307A
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South Korea
Prior art keywords
voltage
duration
pulse
pixel
liquid crystal
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KR1019890016962A
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KR0148105B1 (ko
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죤 버취 마틴
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원본 미기재
에쓰티씨 피엘씨
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    • 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
    • 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
    • G09G3/3622—Control of matrices with row and column drivers using a passive matrix
    • G09G3/3629—Control of matrices with row and column drivers using a passive matrix using liquid crystals having memory effects, e.g. ferroelectric 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
    • G09G2310/00—Command of the display device
    • G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
    • G09G2310/0202—Addressing of scan or signal lines
    • G09G2310/0205—Simultaneous scanning of several lines in flat panels
    • 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
    • G09G2310/06—Details of flat display driving waveforms

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

Abstract

내용 없음.

Description

멀티플렉스 된 강유전성 액정의 어드레싱 기법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제2도는 좌표기준으로 제1도 셀의 어드레상에서 사용된 파형을 도시한 도면,
제3도는 펄스 지속기간을 스위칭을 실시하기 위해 필요한 펄스진폭과 관련시키는 스위칭 특성을 도시한 도면,
제5도는 제1도 셀의 액정층내 분자 배열을 도시한 도면,
제7도는 스위칭 특성이 a,c안정화의 존재에 의해 스위칭 특성이 어떻게 변경되는가 도시한 그래프,
제8도는 각기 다른 펄스순서로 어드레스된 때 픽셀에 인가된 전위차를 나타내는 다수의 파형을 도시한 도면.

Claims (2)

  1. 필셀(pixel)이 액정층의 한 측면에서 제1전극 세트 부분과 액정층의 다른 한측면에서 제2전극 세트부분사이의 중첩영역에 의해 만들어지고, 이 같은 픽셀이 스트로브(strobe) 펄스를 제1전극세트 부분으로 순차적으로 적용시키므로써 한 라인씩(line-by-basis)선택적으로 어드레스되며, 자료펄스가 제2전극세트 부분에 병렬로 적용되는 강유전성 액정층을 갖는 행렬-배열형 액정 셀을 어드레싱 하는 방법에 있어서, 한 유료자료의 자료펄스가 지속기간 2t의 전하 평형 쌍극헝 펄스이며. 이 같은 지속기간 2t의 전하 평형 쌍극형 펄스가 지속기간 t동안 전압+VD로 제1전압 회 유를 만들고 뒤이어 또 다른 지속기간 t동안 전압 -VD로의 제2전압회유가 뒤따르며, 이 때 맞은편 유효자료의 자료펄스가 지속기간 2t의 전하평형 쌍극형 펄스이고, 이 같은 지속기판 2t의 전하 평형 쌍극형회유(excursion)가 지속기간 t인 전압 -VD로 제1전압회유를 만들며 또 다른 지속기간 t동안 전압 +VD로의 제2의 전압회유가 뒤따르고, 여기서 스트로브 펄스가 지속기간3t의 전하평형 쌍극형 펄스이며 이때의 펄스가 지속기간 t동안 계수 ｜Vs｜의 전압으로 제1전압회유를 만들고 제1의 전압회유 및 계수 ｜Vs｜의 전압과 반대 방향인 제2전압회유에 의해 지속기간 t동안 뒤이어지며, 여기서 스트로브 펄스의 제1 및 제2 전압회유와 동기 되어짐을 특징으로 하는 방법.
  2. 제1항에 있어서, 자료와 스트로브 펄스의 픽셀 전극으로 적용에 의해 픽셀을 가로질로 인가된 전압이 픽셀의 안정화를 스위치 된 상태로 픽셀의 안정화를 하는 교번전압 안정화 파형의 적용에 의해 보충하여지게 됨을 특징으로 하는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019890016962A 1988-11-23 1989-11-22 행렬 배열형 액정셀의 어드레싱 방법 KR0148105B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8827384.2 1988-11-23
GB8827384A GB2225473B (en) 1988-11-23 1988-11-23 Addressing scheme for multiplexded ferroelectric liquid crystal

Publications (2)

Publication Number Publication Date
KR900008307A true KR900008307A (ko) 1990-06-04
KR0148105B1 KR0148105B1 (ko) 1998-09-15

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KR1019890016962A KR0148105B1 (ko) 1988-11-23 1989-11-22 행렬 배열형 액정셀의 어드레싱 방법

Country Status (8)

Country Link
US (1) US5018834A (ko)
EP (1) EP0370649B1 (ko)
JP (1) JP2918588B2 (ko)
KR (1) KR0148105B1 (ko)
AT (1) ATE107067T1 (ko)
CA (1) CA2002657C (ko)
DE (1) DE68915956T2 (ko)
GB (1) GB2225473B (ko)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2682886B2 (ja) * 1990-04-25 1997-11-26 シャープ株式会社 表示装置の駆動方法
GB2271011A (en) * 1992-09-23 1994-03-30 Central Research Lab Ltd Greyscale addressing of ferroelectric liquid crystal displays.
GB2271211A (en) * 1992-10-03 1994-04-06 Central Research Lab Ltd Addressing a ferroelectric liquid crystal display.
GB9309502D0 (en) * 1993-05-08 1993-06-23 Secr Defence Addressing ferroelectric liquid crystal displays
GB2294797A (en) * 1994-11-01 1996-05-08 Sharp Kk Method of addressing a liquid crystal display
GB2312542B (en) * 1995-12-21 2000-02-23 Secr Defence Multiplex addressing of ferroelectric liquid crystal displays
GB9526270D0 (en) * 1995-12-21 1996-02-21 Secr Defence Multiplex addressing of ferroelectric liquid crystal displays
AU6541996A (en) * 1996-06-24 1998-01-14 International Business Machines Corporation Stacked semiconductor device package
DE19731020A1 (de) * 1997-07-18 1999-01-21 Hoechst Ag Ferroelektrisches Flüssigkristalldisplay mit breitem Arbeitstemperaturbereich
GB9718369D0 (en) * 1997-08-29 1997-11-05 Sharp Kk Multiplexing Method and Apparatus

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Publication number Priority date Publication date Assignee Title
US3982239A (en) * 1973-02-07 1976-09-21 North Hills Electronics, Inc. Saturation drive arrangements for optically bistable displays
US4655561A (en) * 1983-04-19 1987-04-07 Canon Kabushiki Kaisha Method of driving optical modulation device using ferroelectric liquid crystal
GB2146473B (en) * 1983-09-10 1987-03-11 Standard Telephones Cables Ltd Addressing liquid crystal displays
US4712872A (en) * 1984-03-26 1987-12-15 Canon Kabushiki Kaisha Liquid crystal device
GB2173337B (en) * 1985-04-03 1989-01-11 Stc Plc Addressing liquid crystal cells
GB2173336B (en) * 1985-04-03 1988-04-27 Stc Plc Addressing liquid crystal cells
GB2173335B (en) * 1985-04-03 1988-02-17 Stc Plc Addressing liquid crystal cells
US4836656A (en) * 1985-12-25 1989-06-06 Canon Kabushiki Kaisha Driving method for optical modulation device
GB2173629B (en) * 1986-04-01 1989-11-15 Stc Plc Addressing liquid crystal cells
GB8720856D0 (en) * 1987-09-04 1987-10-14 Emi Plc Thorn Matrix addressing
US4870398A (en) * 1987-10-08 1989-09-26 Tektronix, Inc. Drive waveform for ferroelectric displays

Also Published As

Publication number Publication date
CA2002657A1 (en) 1990-05-23
KR0148105B1 (ko) 1998-09-15
EP0370649A3 (en) 1991-05-08
GB8827384D0 (en) 1988-12-29
JP2918588B2 (ja) 1999-07-12
EP0370649B1 (en) 1994-06-08
JPH02187722A (ja) 1990-07-23
CA2002657C (en) 1998-05-12
DE68915956D1 (de) 1994-07-14
GB2225473A (en) 1990-05-30
US5018834A (en) 1991-05-28
ATE107067T1 (de) 1994-06-15
DE68915956T2 (de) 1994-09-22
EP0370649A2 (en) 1990-05-30
GB2225473B (en) 1993-01-13

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