KR920008661A - 디스플레이 구동 방법 및 장치 - Google Patents

디스플레이 구동 방법 및 장치 Download PDF

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KR920008661A
KR920008661A KR1019910017087A KR910017087A KR920008661A KR 920008661 A KR920008661 A KR 920008661A KR 1019910017087 A KR1019910017087 A KR 1019910017087A KR 910017087 A KR910017087 A KR 910017087A KR 920008661 A KR920008661 A KR 920008661A
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pulse
display
rows
blanking
amplitude
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KR1019910017087A
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KR100233794B1 (ko
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조오지프 쉘포오드 리스터 스티븐
테크 후이 예오 콜린
모슬리 앨런
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엠 비이 다불류 포프
지이이이시이-마아코니 리미팃드
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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
    • 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
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/04—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions
    • G09G3/16—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions by control of light from an independent source
    • G09G3/18—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions 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
    • 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
    • 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
    • G09G2310/061—Details of flat display driving waveforms for resetting or blanking
    • 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
    • G09G2310/065—Waveforms comprising zero voltage phase or pause
    • 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

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

Abstract

내용 없음

Description

디스플레이 구동 방법 및 장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제4도는 본 발명에 따른 제1기구에서 발생하는 파형을 나타내는 도면.
제5도는 본 발명에 따른 또 다른 기구에서 발생하는 파형을 나타내는 도면.
제6도는 귀선소거 및 데이타 펄스들을 동시 적용한 결과 생기는 파형을 나타내는 도면.

Claims (13)

  1. 강유전성 액정 요소들의 행들 및 열들로 된 매트릭스로 구성되는 디스플레이를 시분할 다중 모드로 구동하는 방법으로서, 진폭 VB및 펄스폭 2ts의 귀선소거 전압 펄스(41)에 뒤이어 n×ts(∵n은 정수)의 지연후에 진폭 VW, 폭 ts및 상기 귀선 소거 전압 펄스에 대해 극성이 반대인 기록 전압펄스(43)가 2ts의 간격으로 연속 행들에 인가되며, 0을 포함하는 범위로 부터 선택된 진폭│VD│이며 각각 펄스폭 ts인 쌍곡자 데이타 펄스쌍들(49, 50;52, 53)이 열의 어드레스 라인들에 인가됨으로써 상기 데이타 펄스들은 i번째 행에 대한 귀선소거 펄스, 및 n의 홀수값들에 대해 i-(n+1)/2행 그리고 n의 짝수값들에 대해 i-(n+2)/2행에 인가된 기록 펄스와 일치하는, 상기 디스플레이 구동방법.
  2. 제1항에 있어서, n이 홀수인 디스플레이 구동방법.
  3. 제2항에 있어서, n이 1부터 9까지의 홀수인 디스플레이구동 방법.
  4. 제1항에 있어서, n이 짝수인 디스플레이 구동방법.
  5. 제4항에 있어서, n이 0부터 10까지의 짝수인 디스플레이 구동방법.
  6. 전항들중 어느 한 항에 있어서, 상기 귀선소거 펄스(41)및 상기 기록 펄스(43)의 극성들이 디스플레이의 교대하는 작동 프레임들에 대해 바뀌는, 디스플레이 구동방법.
  7. 제1항에 있어서, 크기 VG의 오프셋 dc전압이 VG=(2VB-VW)/N(∵N은 행들의 수)이 되도록 상기 귀선소거 및 기록 펄스들과 더불어 인가되는, 디스플레이 구동방법.
  8. 전항들중 어느 한 항에 있어서, 상기 데이타, 귀선소거 및 기록펄스들(49, 50;52, 53;41, 43)의 진폭 VD, VB및 VW는 그레이 레벨 없이 바이레벨 디스플레이에 사용되도록 4VD=2VB=VW의 상태로 각각 관련되는, 디스플레이 구동방법.
  9. 제1항 내지 제7항중 어느 한 항에 있어서, VD가 변함으로써 다양한 그레이 셰이드(shade)가 얻어지는, 디스플레이 구동방법.
  10. 전항들중 어느 한 항의 방법에 의해 작동되는 강유전성 액정 디스플레이.
  11. 강유전성 액정 요소들의 행들 및 열들로 된 매트릭스로 구성되는 디스플레이를 시분할 다중 모드로 구동하는 장치로서, 2ts의 간격으로 상기 요소들의 연속 행들에, 진폭 VB및 펄스 폭 2ts의 귀선소거 전압 펄스(41)를 인가하고 n×ts(∵n은 정수)의 지연후에, 진폭 VW, 폭 ts및 상기 귀선소거 전압펄스에 대해 극성이 반대인 기록전압 펄스(43)를 인가하는 수단과, 0을 포함하는 범위로 부터 선택된 진폭 │VD│이며 각각 펄스폭 ts인 쌍극자 데이타 펄스 쌍들(49, 50, 52, 53)을 열 어드레스 라인들에 인가함으로써 상기 데이타 펄스들은 i번째 행에 대한 귀선소거 펄스, 및 n의 홀수값들에대해 i-(n+1)/2행 그리고 n의 짝수값들에 대해 i-(n+2)/2행에 인가된 귀선소거 펄스와 일치하게 하는 수단을 포함하는, 상기 디스플레이 구동장치.
  12. 제11항에 있어서, 크기 VG의 오프셋 dc전압을 VG=(2VB-VW)/N(∵N은 행들의 수)가 되도록 상기 귀선소거 및 기록 펄스들과 더불어 상기 i번째 행에 인가하는 수단을 포함하는 디스플레이 구동장치.
  13. 제11항에 있어서, 상기 귀선소거 펄스 및 상기 기록펄스를 인가하는 수단은 디스플레이의 교대하는 작동 프레임들에 대해 상기 펄스들의 극성을 바꾸도록 작동하는, 디스플레이 구동장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개되는 것임.
KR1019910017087A 1990-10-01 1991-09-30 디스플레이 구동 방법 및 장치 KR100233794B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9021346A GB2249653B (en) 1990-10-01 1990-10-01 Ferroelectric liquid crystal devices
GB9021346.3 1990-10-01

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Publication Number Publication Date
KR920008661A true KR920008661A (ko) 1992-05-28
KR100233794B1 KR100233794B1 (ko) 1999-12-01

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US (1) US5260699A (ko)
EP (1) EP0479530B1 (ko)
JP (1) JPH05249434A (ko)
KR (1) KR100233794B1 (ko)
DE (1) DE69114985T2 (ko)
GB (1) GB2249653B (ko)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR970011946A (ko) * 1995-08-18 1997-03-27 이데이 노부유끼 액정 소자의 구동 방법
KR100453186B1 (ko) * 1997-07-02 2005-05-11 삼성에스디아이 주식회사 강유전성액정표시장치및그구동방법
KR100685921B1 (ko) * 2001-10-13 2007-02-23 엘지.필립스 엘시디 주식회사 강유전성 액정표시소자의 구동방법

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US5465168A (en) * 1992-01-29 1995-11-07 Sharp Kabushiki Kaisha Gradation driving method for bistable ferroelectric liquid crystal using effective cone angle in both states
JP2808380B2 (ja) * 1992-04-17 1998-10-08 松下電器産業株式会社 空間光変調素子の駆動方法
JP3634390B2 (ja) * 1992-07-16 2005-03-30 セイコーエプソン株式会社 液晶電気光学素子
JP3489169B2 (ja) 1993-02-25 2004-01-19 セイコーエプソン株式会社 液晶表示装置の駆動方法
JP3657012B2 (ja) * 1993-03-17 2005-06-08 富士通株式会社 液晶表示装置および該液晶表示装置の駆動方法
EP0632425A1 (en) * 1993-06-29 1995-01-04 Central Research Laboratories Limited Addressing a matrix of bistable pixels
GB2293906A (en) 1994-10-03 1996-04-10 Sharp Kk Liquid crystal display
KR0145653B1 (ko) * 1994-12-01 1998-09-15 김광호 절전기능을 구비한 액정표시장치 구동회로
US6154190A (en) * 1995-02-17 2000-11-28 Kent State University Dynamic drive methods and apparatus for a bistable liquid crystal display
US5748277A (en) * 1995-02-17 1998-05-05 Kent State University Dynamic drive method and apparatus for a bistable liquid crystal display
JP3577719B2 (ja) 1995-05-17 2004-10-13 セイコーエプソン株式会社 液晶表示装置及びその駆動方法並びにそれに用いる駆動回路
GB2339321B (en) * 1995-11-06 2000-04-12 Sharp Kk Liquid crystal display apparatus
JPH09127483A (ja) * 1995-11-06 1997-05-16 Sharp Corp 液晶表示装置
GB2321754A (en) * 1997-01-31 1998-08-05 Sharp Kk Diffractive spatial light modulator
JPH10268265A (ja) * 1997-03-25 1998-10-09 Sharp Corp 液晶表示装置
US6268840B1 (en) 1997-05-12 2001-07-31 Kent Displays Incorporated Unipolar waveform drive method and apparatus for a bistable liquid crystal display
US6133895A (en) * 1997-06-04 2000-10-17 Kent Displays Incorporated Cumulative drive scheme and method for a liquid crystal display
US6268839B1 (en) 1998-05-12 2001-07-31 Kent State University Drive schemes for gray scale bistable cholesteric reflective displays
US6204835B1 (en) 1998-05-12 2001-03-20 Kent State University Cumulative two phase drive scheme for bistable cholesteric reflective displays
US6320563B1 (en) 1999-01-21 2001-11-20 Kent State University Dual frequency cholesteric display and drive scheme
JP3918399B2 (ja) * 2000-04-28 2007-05-23 富士通株式会社 液晶素子
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JP3982249B2 (ja) * 2001-12-11 2007-09-26 株式会社日立製作所 表示装置
KR100537609B1 (ko) * 2001-12-27 2005-12-19 삼성에스디아이 주식회사 정확한 계조 표시를 위한 콜레스테릭 액정 표시 패널의구동 방법

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR970011946A (ko) * 1995-08-18 1997-03-27 이데이 노부유끼 액정 소자의 구동 방법
KR100453186B1 (ko) * 1997-07-02 2005-05-11 삼성에스디아이 주식회사 강유전성액정표시장치및그구동방법
KR100685921B1 (ko) * 2001-10-13 2007-02-23 엘지.필립스 엘시디 주식회사 강유전성 액정표시소자의 구동방법

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Publication number Publication date
GB9021346D0 (en) 1990-11-14
GB2249653A (en) 1992-05-13
EP0479530B1 (en) 1995-11-29
GB2249653B (en) 1994-09-07
KR100233794B1 (ko) 1999-12-01
JPH05249434A (ja) 1993-09-28
EP0479530A3 (en) 1993-03-24
US5260699A (en) 1993-11-09
EP0479530A2 (en) 1992-04-08
DE69114985T2 (de) 1996-04-18
DE69114985D1 (de) 1996-01-11

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