DE3682610D1 - Elektrooptische vorrichtung mit chiral smektischem fluessigkristall und verfahren zu deren ansteuerung. - Google Patents
Elektrooptische vorrichtung mit chiral smektischem fluessigkristall und verfahren zu deren ansteuerung.Info
- Publication number
- DE3682610D1 DE3682610D1 DE8686302887T DE3682610T DE3682610D1 DE 3682610 D1 DE3682610 D1 DE 3682610D1 DE 8686302887 T DE8686302887 T DE 8686302887T DE 3682610 T DE3682610 T DE 3682610T DE 3682610 D1 DE3682610 D1 DE 3682610D1
- Authority
- DE
- Germany
- Prior art keywords
- electro
- controlling
- liquid crystal
- same
- optical device
- 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
- 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
- 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
- G09G3/2014—Display of intermediate tones by modulation of the duration of a single pulse during which the logic level remains constant
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8365185A JPS61241731A (ja) | 1985-04-19 | 1985-04-19 | スメクテイック液晶装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3682610D1 true DE3682610D1 (de) | 1992-01-09 |
Family
ID=13808352
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8686302887T Expired - Fee Related DE3682610D1 (de) | 1985-04-19 | 1986-04-17 | Elektrooptische vorrichtung mit chiral smektischem fluessigkristall und verfahren zu deren ansteuerung. |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0200427B1 (de) |
JP (1) | JPS61241731A (de) |
DE (1) | DE3682610D1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4836656A (en) * | 1985-12-25 | 1989-06-06 | Canon Kabushiki Kaisha | Driving method for optical modulation device |
US5255110A (en) * | 1985-12-25 | 1993-10-19 | Canon Kabushiki Kaisha | Driving method for optical modulation device using ferroelectric liquid crystal |
JPH061310B2 (ja) * | 1987-05-13 | 1994-01-05 | キヤノン株式会社 | 液晶装置 |
US5010328A (en) * | 1987-07-21 | 1991-04-23 | Thorn Emi Plc | Display device |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0629919B2 (ja) * | 1982-04-16 | 1994-04-20 | 株式会社日立製作所 | 液晶素子の駆動方法 |
EP0106386A3 (de) * | 1982-09-23 | 1985-03-13 | BBC Brown Boveri AG | Verfahren zur Ansteuerung einer multiplexierbaren, bistabilen Flüssigkristallanzeige |
US4655561A (en) * | 1983-04-19 | 1987-04-07 | Canon Kabushiki Kaisha | Method of driving optical modulation device using ferroelectric liquid crystal |
AU584867B2 (en) * | 1983-12-09 | 1989-06-08 | Seiko Instruments & Electronics Ltd. | A liquid crystal display device |
-
1985
- 1985-04-19 JP JP8365185A patent/JPS61241731A/ja active Granted
-
1986
- 1986-04-17 DE DE8686302887T patent/DE3682610D1/de not_active Expired - Fee Related
- 1986-04-17 EP EP19860302887 patent/EP0200427B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0200427B1 (de) | 1991-11-27 |
EP0200427A1 (de) | 1986-11-05 |
JPH0431372B2 (de) | 1992-05-26 |
JPS61241731A (ja) | 1986-10-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8320 | Willingness to grant licences declared (paragraph 23) | ||
8339 | Ceased/non-payment of the annual fee |