DE69518948D1 - Ferroelektrische Flüssigkristallanzeigevorrichtung und Ansteuerungsverfahren zur Durchführung einer abgestufften Anzeige - Google Patents
Ferroelektrische Flüssigkristallanzeigevorrichtung und Ansteuerungsverfahren zur Durchführung einer abgestufften AnzeigeInfo
- Publication number
- DE69518948D1 DE69518948D1 DE69518948T DE69518948T DE69518948D1 DE 69518948 D1 DE69518948 D1 DE 69518948D1 DE 69518948 T DE69518948 T DE 69518948T DE 69518948 T DE69518948 T DE 69518948T DE 69518948 D1 DE69518948 D1 DE 69518948D1
- Authority
- DE
- Germany
- Prior art keywords
- liquid crystal
- driving method
- ferroelectric liquid
- display device
- graded
- 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 - Lifetime
Links
- 239000005262 ferroelectric liquid crystals (FLCs) Substances 0.000 title 1
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
- G09G3/364—Control of matrices with row and column drivers using a passive matrix using liquid crystals having memory effects, e.g. ferroelectric liquid crystals with use of subpixels
-
- 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
- G09G3/3607—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 for displaying colours or for displaying grey scales with a specific pixel layout, e.g. using sub-pixels
-
- 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
- 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
-
- 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
- G09G3/2018—Display of intermediate tones by time modulation using two or more time intervals
- G09G3/2022—Display of intermediate tones by time modulation using two or more time intervals using sub-frames
- G09G3/2025—Display of intermediate tones by time modulation using two or more time intervals using sub-frames the sub-frames having all the same time duration
-
- 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
- G09G3/2074—Display of intermediate tones using sub-pixels
-
- 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
- G09G3/2077—Display of intermediate tones by a combination of two or more gradation control methods
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12032494 | 1994-06-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE69518948D1 true DE69518948D1 (de) | 2000-11-02 |
Family
ID=14783439
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69518948T Expired - Lifetime DE69518948D1 (de) | 1994-06-01 | 1995-05-30 | Ferroelektrische Flüssigkristallanzeigevorrichtung und Ansteuerungsverfahren zur Durchführung einer abgestufften Anzeige |
Country Status (3)
Country | Link |
---|---|
US (1) | US5614924A (de) |
EP (1) | EP0685832B1 (de) |
DE (1) | DE69518948D1 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9324710D0 (en) * | 1993-12-02 | 1994-01-19 | Central Research Lab Ltd | Analogue greyscale addressing |
JPH09325319A (ja) | 1996-06-07 | 1997-12-16 | Sharp Corp | 単純マトリクス型液晶表示装置およびその駆動回路 |
EP0836172A3 (de) * | 1996-10-09 | 1999-01-07 | Canon Kabushiki Kaisha | Anzeigevorrichtung mit unterteilten Bildelementen und ihr Ansteuerungsverfahren |
GB2330678A (en) * | 1997-10-16 | 1999-04-28 | Sharp Kk | Addressing a ferroelectric liquid crystal display |
JP3556150B2 (ja) * | 1999-06-15 | 2004-08-18 | シャープ株式会社 | 液晶表示方法および液晶表示装置 |
US7023457B2 (en) | 2001-03-13 | 2006-04-04 | Intel Corporation | System and method for intensity control of a pixel |
NO315884B1 (no) * | 2001-12-14 | 2003-11-03 | Hans Gude Gudesen | Fremgangsmåte til fremstilling av elektroder med höyt sideforhold |
JP2013050680A (ja) * | 2011-08-31 | 2013-03-14 | Sony Corp | 駆動回路、表示装置、および表示装置の駆動方法 |
CN105679803B (zh) * | 2016-03-25 | 2018-01-05 | 北京京东方显示技术有限公司 | 显示面板及其控制方法、显示装置、显示系统 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2615644B1 (fr) * | 1987-05-18 | 1989-06-30 | Brunel Christian | Dispositif d'affichage electroluminescent a effet memoire et a demi-teintes |
JP2612863B2 (ja) * | 1987-08-31 | 1997-05-21 | シャープ株式会社 | 表示装置の駆動方法 |
CA1322257C (en) * | 1987-11-13 | 1993-09-14 | Kalluri R. Sarma | Apparatus and method for providing a gray scale in liquid crystal flat panel displays |
JP2700903B2 (ja) * | 1988-09-30 | 1998-01-21 | シャープ株式会社 | 液晶表示装置 |
FR2637407B1 (fr) * | 1988-09-30 | 1994-02-11 | Commissariat A Energie Atomique | Procede d'affichage de niveaux de gris sur un ecran a cristaux liquides ferroelectriques a phase smectique chirale |
JPH03189622A (ja) * | 1989-12-19 | 1991-08-19 | Citizen Watch Co Ltd | 強誘電性液晶素子 |
NL9000942A (nl) * | 1990-04-20 | 1991-11-18 | Philips Nv | Weergeefinrichting. |
JPH0497126A (ja) * | 1990-08-16 | 1992-03-30 | Internatl Business Mach Corp <Ibm> | 液晶表示装置 |
US5459495A (en) * | 1992-05-14 | 1995-10-17 | In Focus Systems, Inc. | Gray level addressing for LCDs |
JPH05119327A (ja) * | 1991-10-29 | 1993-05-18 | Matsushita Electric Ind Co Ltd | 階調表示装置 |
DE69225869T2 (de) * | 1991-11-19 | 1998-12-24 | Philips Electronics Nv | Anzeigevorrichtung |
JP2954429B2 (ja) * | 1992-08-25 | 1999-09-27 | シャープ株式会社 | アクティブマトリクス方式駆動装置 |
JPH06118385A (ja) * | 1992-10-08 | 1994-04-28 | Sharp Corp | 強誘電性液晶パネルの駆動方法 |
GB9324710D0 (en) * | 1993-12-02 | 1994-01-19 | Central Research Lab Ltd | Analogue greyscale addressing |
-
1995
- 1995-05-04 US US08/437,441 patent/US5614924A/en not_active Expired - Fee Related
- 1995-05-30 DE DE69518948T patent/DE69518948D1/de not_active Expired - Lifetime
- 1995-05-30 EP EP95303672A patent/EP0685832B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5614924A (en) | 1997-03-25 |
EP0685832A1 (de) | 1995-12-06 |
EP0685832B1 (de) | 2000-09-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8332 | No legal effect for de |