FR2472794A1 - Dispositif d'affichage a cristal liquide - Google Patents
Dispositif d'affichage a cristal liquide Download PDFInfo
- Publication number
- FR2472794A1 FR2472794A1 FR8027293A FR8027293A FR2472794A1 FR 2472794 A1 FR2472794 A1 FR 2472794A1 FR 8027293 A FR8027293 A FR 8027293A FR 8027293 A FR8027293 A FR 8027293A FR 2472794 A1 FR2472794 A1 FR 2472794A1
- Authority
- FR
- France
- Prior art keywords
- liquid crystal
- crystal display
- display
- color
- channel
- 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.)
- Granted
Links
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 109
- 239000003086 colorant Substances 0.000 claims abstract description 9
- 239000011521 glass Substances 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 9
- 239000013078 crystal Substances 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 7
- 239000004988 Nematic liquid crystal Substances 0.000 description 2
- KSMVZQYAVGTKIV-UHFFFAOYSA-N decanal Chemical compound CCCCCCCCCC=O KSMVZQYAVGTKIV-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 239000004986 Cholesteric liquid crystals (ChLC) Substances 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 230000003098 cholesteric effect Effects 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 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 |
---|---|---|---|
JP16801579A JPS5689790A (en) | 1979-12-24 | 1979-12-24 | Channel display unit |
JP16801479A JPS5689721A (en) | 1979-12-24 | 1979-12-24 | Liquid crystal display device |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2472794A1 true FR2472794A1 (fr) | 1981-07-03 |
FR2472794B1 FR2472794B1 (it) | 1985-01-25 |
Family
ID=26491875
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8027293A Granted FR2472794A1 (fr) | 1979-12-24 | 1980-12-23 | Dispositif d'affichage a cristal liquide |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE3047146A1 (it) |
FR (1) | FR2472794A1 (it) |
GB (1) | GB2067813B (it) |
IT (1) | IT1134883B (it) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2597641B1 (fr) * | 1986-04-22 | 1989-12-08 | Thomson Csf | Dispositif de modulation de la lumiere d'eclairement d'un ecran d'affichage electro-optique |
JPH07104506B2 (ja) * | 1989-03-14 | 1995-11-13 | スタンレー電気株式会社 | 強誘電性液晶パネル |
SE0000495D0 (sv) * | 2000-02-16 | 2000-02-16 | Torsten Lundberg | Anordning för bildskärm |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2150001B2 (de) * | 1971-10-07 | 1976-11-04 | Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart | Vorrichtung zur anzeige ds arbeitsprogrammes sowie des betriebszustandes von haushaltsmaschinen und -geraeten, insbesondere wasch- oder geschirrspuelmaschinen |
DE2150621A1 (de) * | 1971-10-11 | 1973-04-19 | Rca Corp | Steuerschaltung, insbesondere fuer eine fluessigkristallzelle |
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/de active Granted
- 1980-12-16 GB GB8040218A patent/GB2067813B/en not_active Expired
- 1980-12-23 FR FR8027293A patent/FR2472794A1/fr active Granted
- 1980-12-23 IT IT26912/80A patent/IT1134883B/it active
Also Published As
Publication number | Publication date |
---|---|
FR2472794B1 (it) | 1985-01-25 |
IT1134883B (it) | 1986-08-20 |
DE3047146A1 (de) | 1981-08-27 |
IT8026912A0 (it) | 1980-12-23 |
GB2067813A (en) | 1981-07-30 |
DE3047146C2 (it) | 1990-03-29 |
GB2067813B (en) | 1983-10-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CD | Change of name or company name | ||
ST | Notification of lapse |