GB2067813B - Liquid crystal display device - Google Patents
Liquid crystal display deviceInfo
- Publication number
- GB2067813B GB2067813B GB8040218A GB8040218A GB2067813B GB 2067813 B GB2067813 B GB 2067813B GB 8040218 A GB8040218 A GB 8040218A GB 8040218 A GB8040218 A GB 8040218A GB 2067813 B GB2067813 B GB 2067813B
- Authority
- GB
- United Kingdom
- Prior art keywords
- liquid crystal
- display device
- crystal display
- liquid
- display
- 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
Links
- 239000004973 liquid crystal related substance 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
- G09G3/04—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
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1347—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Physics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Liquid Crystal Display Device Control (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16801479A JPS5689721A (en) | 1979-12-24 | 1979-12-24 | Liquid crystal display device |
JP16801579A JPS5689790A (en) | 1979-12-24 | 1979-12-24 | Channel display unit |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2067813A GB2067813A (en) | 1981-07-30 |
GB2067813B true GB2067813B (en) | 1983-10-19 |
Family
ID=26491875
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8040218A Expired GB2067813B (en) | 1979-12-24 | 1980-12-16 | Liquid crystal display device |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE3047146A1 (en) |
FR (1) | FR2472794A1 (en) |
GB (1) | GB2067813B (en) |
IT (1) | IT1134883B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2597641B1 (en) * | 1986-04-22 | 1989-12-08 | Thomson Csf | DEVICE FOR MODULATING THE ILLUMINATION LIGHT OF AN ELECTRO-OPTICAL DISPLAY SCREEN |
JPH07104506B2 (en) * | 1989-03-14 | 1995-11-13 | スタンレー電気株式会社 | Ferroelectric liquid crystal panel |
SE0000495D0 (en) * | 2000-02-16 | 2000-02-16 | Torsten Lundberg | Display device |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2150001B2 (en) * | 1971-10-07 | 1976-11-04 | Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart | DEVICE FOR DISPLAYING THE WORK PROGRAM AND THE OPERATING STATUS OF HOUSEHOLD MACHINERY AND APPLIANCES, IN PARTICULAR WASHING MACHINES OR DISHWASHER |
DE2150621A1 (en) * | 1971-10-11 | 1973-04-19 | Rca Corp | CONTROL CIRCUIT, IN PARTICULAR FOR A LIQUID CRYSTAL CELL |
US4097128A (en) * | 1975-04-24 | 1978-06-27 | Tokyo Shibaura Electric Co., Ltd. | Liquid crystal color display devices |
JPS53101296A (en) * | 1977-02-16 | 1978-09-04 | Seiko Epson Corp | Display unit |
-
1980
- 1980-12-15 DE DE19803047146 patent/DE3047146A1/en active Granted
- 1980-12-16 GB GB8040218A patent/GB2067813B/en not_active Expired
- 1980-12-23 FR FR8027293A patent/FR2472794A1/en active Granted
- 1980-12-23 IT IT26912/80A patent/IT1134883B/en active
Also Published As
Publication number | Publication date |
---|---|
FR2472794A1 (en) | 1981-07-03 |
FR2472794B1 (en) | 1985-01-25 |
GB2067813A (en) | 1981-07-30 |
IT8026912A0 (en) | 1980-12-23 |
DE3047146A1 (en) | 1981-08-27 |
IT1134883B (en) | 1986-08-20 |
DE3047146C2 (en) | 1990-03-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19961216 |