KR100233794B1 - 디스플레이 구동 방법 및 장치 - Google Patents
디스플레이 구동 방법 및 장치 Download PDFInfo
- Publication number
- KR100233794B1 KR100233794B1 KR1019910017087A KR910017087A KR100233794B1 KR 100233794 B1 KR100233794 B1 KR 100233794B1 KR 1019910017087 A KR1019910017087 A KR 1019910017087A KR 910017087 A KR910017087 A KR 910017087A KR 100233794 B1 KR100233794 B1 KR 100233794B1
- Authority
- KR
- South Korea
- Prior art keywords
- pulse
- pulses
- rows
- amplitude
- blanking
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
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
- G09G3/3622—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
Landscapes
- 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
Description
Claims (12)
- 강유전성 액정 요소의 행 및 열로 이루어진 매트릭스로 구성된 디스플레이를 시분할 다중 모드로 구동하는 방법에 있어서, 상기 방법은 : 진폭(VB) 및 펄스폭(2tS) 의 귀선소거 전압 펄스(41)에 뒤이어, n × tS의 지연 후에, 진폭(VW), 폭(tS) 및 상기 귀선소거 전압 펄스에 대해 극성이 반대인 기록 전압펄스(43)를 2tS의 간격으로 연속 행에 인가하는 단계와; ⅰ번째 행에 대한 귀선소거 펄스가 n 의 홀수값에 대해 i-(n+1)/2 행에 그리고 n의 짝수값에 대해 i-(n+2)/2 행에 인가된 데이터 펄스와 기록 펄스에 일치하도록, 각각의 펄스가 펄스 폭(tS)인, 0을 포함하는 범위로부터 선택된 진폭(VD)의 쌍극 데이터 펄스(49, 50 : 52, 53) 쌍을 열 어드레스 라인에 인가하는 단계를 포함하며, 여기서 ⅰ및 n은 양의 정수이고, tS는 시간 기간이고, VB, VW및 VD는 전압인 것을 특징으로 하는 디스플레이 구동방법.
- 제1항에 있어서, n 이 홀수인 것을 특징으로 하는 디스플레이 구동방법.
- 제2항에 있어서, n 이 1부터 9까지의 홀수인 것을 특징으로 하는 디스플레이 구동방법.
- 제1항에 있어서, n 이 짝수인 것을 특징으로 하는 디스플레이 구동방법.
- 제4항에 있어서, n 이 0부터 10까지의 짝수인 것을 특징으로 하는 디스플레이 구동방법.
- 제1항에 있어서, 상기 귀선소거 펄스(41) 및 상기 기록 펄스(43)의 극성은 디스플레이 동작 프레임이 교대로 되도록 역전하는 단계를 포함하는 것을 특징으로 하는 디스플레이 구동방법.
- 제1항에 있어서, 크기(VG)의 옵셋 dc 전압을(N은 행의 수와 동일한 정수)이 되도록, 귀선소거 및 기록 펄스에 인가하는 단계를 포함하는 것을 특징으로 하는 디스플레이 구동방법.
- 제1항에 있어서, 데이터, 귀선소거 및 기록 펄스(49, 50 ; 52, 53 ; 41, 43)의 진폭(VD, VB및 VW)은 무 그레이 레벨(no grey levels)을 가진 바이레벨(bilevel) 디스플레이에 사용용으로,에 각각 관련되는 것을 특징으로 하는 디스플레이 구동방법.
- 제1항에 있어서, VD는 다양한 그레이 세이드(shade)가 획득되도록 가변성인 것을 특징으로 하는 디스플레이 구동방법.
- 강유전성 액정 요소의 행 및 열로 이루어진 매트릭스로 구성된 디스플레이를 시분할 다중 모드로 구동하는 장치에 있어서, 상기 장치는; 진폭(VB) 및 펄스폭(2tS) 의 귀선소거 전압 펄스(41)에 뒤이어, n × tS의 지연 후에, 진폭(VW), 폭(tS) 및 상기 귀선소거 전압 펄스에 대해 극성이 반대인 기록 전압펄스(43)를 2tS의 간격으로 상기 강유전성 액정 요소의 연속 행에 인가하는 수단과; ⅰ번째 행에 대한 귀선소거 펄스가 n 의 홀수값에 대해 i-(n+1)/2 행 그리고 n의 짝수값에 대해 i-(n+2)/2 행에 인가된 데이터 펄스와 기록 펄스에 일치하도록, 각각의 펄스가 펄스 폭(tS)인, 0을 포함하는 범위로부터 선택된 진폭(VD)으로 이루어진 쌍극 데이터 펄스(49, 50 : 52, 53) 쌍을 열 어드레스 라인에 인가하는 단계를 포함하며, 여기서 ⅰ및 n은 양의 정수이고, tS는 시간 기간이고, VB, VW및 VD는 전압인 것을 특징으로 하는 디스플레이 구동방법.
- 제10항에 있어서, 크기(VG)의 옵셋 dc 전압을가 되도록, 상기 귀선소거 및 기록 펄스를 가진 ⅰ번째 행에 인가하는 수단을 포함하는 것을 특징으로 하는 디스플레이 구동방법.
- 제10항에 있어서, 상기 귀선소거 펄스 및 상기 기록 펄스를 인가하는 수단은 디스플레이의 동작 프레임을 교대로 하기 위해 펄스 극성이 역전하도록 동작하는 것을 특징으로 하는 디스플레이 구동장치.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9021346.3 | 1990-10-01 | ||
GB9021346A GB2249653B (en) | 1990-10-01 | 1990-10-01 | Ferroelectric liquid crystal devices |
Publications (2)
Publication Number | Publication Date |
---|---|
KR920008661A KR920008661A (ko) | 1992-05-28 |
KR100233794B1 true KR100233794B1 (ko) | 1999-12-01 |
Family
ID=10683061
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019910017087A Expired - Fee Related KR100233794B1 (ko) | 1990-10-01 | 1991-09-30 | 디스플레이 구동 방법 및 장치 |
Country Status (6)
Country | Link |
---|---|
US (1) | US5260699A (ko) |
EP (1) | EP0479530B1 (ko) |
JP (1) | JPH05249434A (ko) |
KR (1) | KR100233794B1 (ko) |
DE (1) | DE69114985T2 (ko) |
GB (1) | GB2249653B (ko) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW476422U (en) * | 1992-01-29 | 2002-02-11 | Sharp Kk | Liquid crystal display |
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 |
US5748277A (en) * | 1995-02-17 | 1998-05-05 | Kent State University | Dynamic drive method and apparatus for a bistable liquid crystal display |
US6154190A (en) * | 1995-02-17 | 2000-11-28 | Kent State University | Dynamic drive methods and apparatus for a bistable liquid crystal display |
EP0772067B1 (en) | 1995-05-17 | 2002-04-24 | Seiko Epson Corporation | Liquid crystal display and its driving method and circuit |
JPH0954307A (ja) * | 1995-08-18 | 1997-02-25 | Sony Corp | 液晶素子の駆動方法 |
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 |
KR100453186B1 (ko) * | 1997-07-02 | 2005-05-11 | 삼성에스디아이 주식회사 | 강유전성액정표시장치및그구동방법 |
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 |
US7023409B2 (en) | 2001-02-09 | 2006-04-04 | Kent Displays, Incorporated | Drive schemes for gray scale bistable cholesteric reflective displays utilizing variable frequency pulses |
KR100685921B1 (ko) * | 2001-10-13 | 2007-02-23 | 엘지.필립스 엘시디 주식회사 | 강유전성 액정표시소자의 구동방법 |
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 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2173336B (en) * | 1985-04-03 | 1988-04-27 | Stc Plc | Addressing liquid crystal cells |
GB2173629B (en) * | 1986-04-01 | 1989-11-15 | Stc Plc | Addressing liquid crystal cells |
JPS63116128A (ja) * | 1986-11-04 | 1988-05-20 | Canon Inc | 光学変調装置 |
GB2208559B (en) * | 1987-08-12 | 1991-09-04 | Gen Electric Co Plc | Ferroelectric liquid crystal devices |
GB8720856D0 (en) * | 1987-09-04 | 1987-10-14 | Emi Plc Thorn | Matrix addressing |
NL8703040A (nl) * | 1987-12-16 | 1989-07-17 | Philips Nv | Werkwijze voor het besturen van een passieve ferro-elektrisch vloeibaar kristal weergeefinrichting. |
GB8808812D0 (en) * | 1988-04-14 | 1988-05-18 | Emi Plc Thorn | Display device |
-
1990
- 1990-10-01 GB GB9021346A patent/GB2249653B/en not_active Expired - Fee Related
-
1991
- 1991-09-26 US US07/766,812 patent/US5260699A/en not_active Expired - Fee Related
- 1991-09-30 KR KR1019910017087A patent/KR100233794B1/ko not_active Expired - Fee Related
- 1991-09-30 DE DE69114985T patent/DE69114985T2/de not_active Expired - Fee Related
- 1991-09-30 EP EP91308939A patent/EP0479530B1/en not_active Expired - Lifetime
- 1991-09-30 JP JP3278233A patent/JPH05249434A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
GB9021346D0 (en) | 1990-11-14 |
EP0479530B1 (en) | 1995-11-29 |
JPH05249434A (ja) | 1993-09-28 |
EP0479530A2 (en) | 1992-04-08 |
DE69114985D1 (de) | 1996-01-11 |
EP0479530A3 (en) | 1993-03-24 |
DE69114985T2 (de) | 1996-04-18 |
KR920008661A (ko) | 1992-05-28 |
US5260699A (en) | 1993-11-09 |
GB2249653A (en) | 1992-05-13 |
GB2249653B (en) | 1994-09-07 |
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