EP0903721A3 - Method for driving a nematic liquid crystal - Google Patents
Method for driving a nematic liquid crystal Download PDFInfo
- Publication number
- EP0903721A3 EP0903721A3 EP98113183A EP98113183A EP0903721A3 EP 0903721 A3 EP0903721 A3 EP 0903721A3 EP 98113183 A EP98113183 A EP 98113183A EP 98113183 A EP98113183 A EP 98113183A EP 0903721 A3 EP0903721 A3 EP 0903721A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- liquid crystal
- nematic liquid
- driving
- electrodes
- predetermined
- 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
-
- 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
- G09G2310/06—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
- G09G3/34—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
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)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Substances (AREA)
Abstract
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP267819/97 | 1997-09-12 | ||
JP26781997 | 1997-09-12 | ||
JP26781997A JPH1184341A (en) | 1997-09-12 | 1997-09-12 | Method for driving nematic liquid crystal |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0903721A2 EP0903721A2 (en) | 1999-03-24 |
EP0903721A3 true EP0903721A3 (en) | 1999-07-21 |
Family
ID=17450053
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98113183A Ceased EP0903721A3 (en) | 1997-09-12 | 1998-07-15 | Method for driving a nematic liquid crystal |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0903721A3 (en) |
JP (1) | JPH1184341A (en) |
KR (1) | KR100639602B1 (en) |
CN (1) | CN1161729C (en) |
CA (1) | CA2243383C (en) |
HK (1) | HK1019106A1 (en) |
TW (1) | TW421775B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1345202B1 (en) | 2000-12-22 | 2011-02-16 | Hunet Display Technology Inc. | Liquid crystal drive apparatus and gradation display method |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2346974A1 (en) * | 1973-09-18 | 1975-04-03 | Commissariat Energie Atomique | Nematic crystal display junction-points values control - uses stimulation signals from voltage sources to junction electrodes |
EP0424030A2 (en) * | 1989-10-18 | 1991-04-24 | Matsushita Electric Industrial Co., Ltd. | Method of driving a liquid crystal display |
EP0438093A2 (en) * | 1990-01-16 | 1991-07-24 | Honeywell Inc. | Apparatus and method for temperature compensation of liquid crystal displays |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DD292601A7 (en) * | 1987-04-15 | 1991-08-08 | Zentralinstitut Fuer Elektronenphysik,De | METHOD FOR CONTROLLING A LIQUID CRYSTAL CELL |
JP2901438B2 (en) * | 1992-10-07 | 1999-06-07 | シャープ株式会社 | Driving method of liquid crystal display device |
JPH1069260A (en) * | 1996-08-26 | 1998-03-10 | Buraito Kenkyusho:Kk | Method for driving nematic liquid crystal |
-
1997
- 1997-09-12 JP JP26781997A patent/JPH1184341A/en active Pending
-
1998
- 1998-05-27 TW TW87108249A patent/TW421775B/en not_active IP Right Cessation
- 1998-05-28 KR KR1019980019532A patent/KR100639602B1/en not_active IP Right Cessation
- 1998-06-05 CN CNB981095658A patent/CN1161729C/en not_active Expired - Fee Related
- 1998-07-15 EP EP98113183A patent/EP0903721A3/en not_active Ceased
- 1998-07-20 CA CA2243383A patent/CA2243383C/en not_active Expired - Fee Related
-
1999
- 1999-09-23 HK HK99104139A patent/HK1019106A1/en not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2346974A1 (en) * | 1973-09-18 | 1975-04-03 | Commissariat Energie Atomique | Nematic crystal display junction-points values control - uses stimulation signals from voltage sources to junction electrodes |
EP0424030A2 (en) * | 1989-10-18 | 1991-04-24 | Matsushita Electric Industrial Co., Ltd. | Method of driving a liquid crystal display |
EP0438093A2 (en) * | 1990-01-16 | 1991-07-24 | Honeywell Inc. | Apparatus and method for temperature compensation of liquid crystal displays |
Also Published As
Publication number | Publication date |
---|---|
CA2243383A1 (en) | 1999-03-12 |
EP0903721A2 (en) | 1999-03-24 |
JPH1184341A (en) | 1999-03-26 |
CA2243383C (en) | 2012-12-18 |
CN1161729C (en) | 2004-08-11 |
KR100639602B1 (en) | 2006-12-19 |
TW421775B (en) | 2001-02-11 |
HK1019106A1 (en) | 2000-01-21 |
CN1211778A (en) | 1999-03-24 |
KR19990029212A (en) | 1999-04-26 |
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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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AK | Designated contracting states |
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17P | Request for examination filed |
Effective date: 19991229 |
|
AKX | Designation fees paid |
Free format text: DE FR GB NL |
|
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: 20080425 |