EP0196905A3 - Adressage de cellules à cristaux liquides - Google Patents
Adressage de cellules à cristaux liquides Download PDFInfo
- Publication number
- EP0196905A3 EP0196905A3 EP86302382A EP86302382A EP0196905A3 EP 0196905 A3 EP0196905 A3 EP 0196905A3 EP 86302382 A EP86302382 A EP 86302382A EP 86302382 A EP86302382 A EP 86302382A EP 0196905 A3 EP0196905 A3 EP 0196905A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- liquid crystal
- crystal cells
- electrodes
- addressing
- addressing liquid
- 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.)
- Ceased
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
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0209—Crosstalk reduction, i.e. to reduce direct or indirect influences of signals directed to a certain pixel of the displayed image on other pixels of said image, inclusive of influences affecting pixels in different frames or fields or sub-images which constitute a same image, e.g. left and right images of a stereoscopic display
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)
- Liquid Crystal (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8508709 | 1985-04-03 | ||
GB08508709A GB2173335B (en) | 1985-04-03 | 1985-04-03 | Addressing liquid crystal cells |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0196905A2 EP0196905A2 (fr) | 1986-10-08 |
EP0196905A3 true EP0196905A3 (fr) | 1989-10-18 |
Family
ID=10577140
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP86302382A Ceased EP0196905A3 (fr) | 1985-04-03 | 1986-04-01 | Adressage de cellules à cristaux liquides |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0196905A3 (fr) |
JP (1) | JPS61286818A (fr) |
AU (1) | AU580859B2 (fr) |
GB (1) | GB2173335B (fr) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
US5010328A (en) * | 1987-07-21 | 1991-04-23 | Thorn Emi Plc | Display device |
GB8720856D0 (en) * | 1987-09-04 | 1987-10-14 | Emi Plc Thorn | Matrix addressing |
GB2225473B (en) * | 1988-11-23 | 1993-01-13 | Stc Plc | Addressing scheme for multiplexded ferroelectric liquid crystal |
TW200572B (fr) * | 1991-03-20 | 1993-02-21 | Seiko Epson Corp | |
US6271817B1 (en) | 1991-03-20 | 2001-08-07 | Seiko Epson Corporation | Method of driving liquid crystal display device that reduces afterimages |
GB9526270D0 (en) * | 1995-12-21 | 1996-02-21 | Secr Defence | Multiplex addressing of ferroelectric liquid crystal displays |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0120732A1 (fr) * | 1983-02-24 | 1984-10-03 | Commissariat A L'energie Atomique | Procédé de commande séquentielle d'un imageur matriciel utilisant l'effet de transition de phase cholestérique-nématique d'un cristal liquide |
EP0137726A2 (fr) * | 1983-09-10 | 1985-04-17 | Stc Plc | Adressage de panneaux d'affichage à cristaux liquides |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6033535A (ja) * | 1983-08-04 | 1985-02-20 | Canon Inc | 液晶装置 |
JPS6015624A (ja) * | 1983-07-08 | 1985-01-26 | Hitachi Ltd | 液晶プリンタの駆動方法 |
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 |
-
1985
- 1985-04-03 GB GB08508709A patent/GB2173335B/en not_active Expired
-
1986
- 1986-03-27 AU AU55371/86A patent/AU580859B2/en not_active Ceased
- 1986-04-01 EP EP86302382A patent/EP0196905A3/fr not_active Ceased
- 1986-04-03 JP JP7749586A patent/JPS61286818A/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0120732A1 (fr) * | 1983-02-24 | 1984-10-03 | Commissariat A L'energie Atomique | Procédé de commande séquentielle d'un imageur matriciel utilisant l'effet de transition de phase cholestérique-nématique d'un cristal liquide |
EP0137726A2 (fr) * | 1983-09-10 | 1985-04-17 | Stc Plc | Adressage de panneaux d'affichage à cristaux liquides |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN, vol. 9, no. 133 (P-362)[1856], 8th June 1985; & JP-A-60 15 624 (HITACHI SEISAKUSHO K.K.) 26-01-1985 & JP-A-45 91 886 (UMEDA et al.) * |
Also Published As
Publication number | Publication date |
---|---|
JPS61286818A (ja) | 1986-12-17 |
GB8508709D0 (en) | 1985-05-09 |
AU580859B2 (en) | 1989-02-02 |
EP0196905A2 (fr) | 1986-10-08 |
GB2173335A (en) | 1986-10-08 |
AU5537186A (en) | 1986-10-09 |
GB2173335B (en) | 1988-02-17 |
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Legal Events
Date | Code | Title | Description |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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AK | Designated contracting states |
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PUAL | Search report despatched |
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17P | Request for examination filed |
Effective date: 19900215 |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: STC PLC |
|
17Q | First examination report despatched |
Effective date: 19910812 |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: NORTHERN TELECOM LIMITED |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN REFUSED |
|
18R | Application refused |
Effective date: 19950530 |
|
APAF | Appeal reference modified |
Free format text: ORIGINAL CODE: EPIDOSCREFNE |
|
RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: AYLIFFE, PETER JOHN Inventor name: DAVEY, ANTHONY BERNARD |