FR2675295B1 - Dispositif pour l'amelioration de la lisibilite d'un afficheur a cristaux liquides. - Google Patents
Dispositif pour l'amelioration de la lisibilite d'un afficheur a cristaux liquides.Info
- Publication number
- FR2675295B1 FR2675295B1 FR9104956A FR9104956A FR2675295B1 FR 2675295 B1 FR2675295 B1 FR 2675295B1 FR 9104956 A FR9104956 A FR 9104956A FR 9104956 A FR9104956 A FR 9104956A FR 2675295 B1 FR2675295 B1 FR 2675295B1
- Authority
- FR
- France
- Prior art keywords
- readability
- improving
- liquid crystal
- crystal display
- 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 - Fee Related
Links
Classifications
-
- 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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133504—Diffusing, scattering, diffracting elements
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9104956A FR2675295B1 (fr) | 1991-04-12 | 1991-04-12 | Dispositif pour l'amelioration de la lisibilite d'un afficheur a cristaux liquides. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9104956A FR2675295B1 (fr) | 1991-04-12 | 1991-04-12 | Dispositif pour l'amelioration de la lisibilite d'un afficheur a cristaux liquides. |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2675295A1 FR2675295A1 (fr) | 1992-10-16 |
FR2675295B1 true FR2675295B1 (fr) | 1994-03-11 |
Family
ID=9412133
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9104956A Expired - Fee Related FR2675295B1 (fr) | 1991-04-12 | 1991-04-12 | Dispositif pour l'amelioration de la lisibilite d'un afficheur a cristaux liquides. |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2675295B1 (fr) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3887791A (en) * | 1973-11-08 | 1975-06-03 | Texas Instruments Inc | Prismatic display window for a calculator |
CH607120A5 (fr) * | 1976-04-29 | 1978-11-30 | Bbc Brown Boveri & Cie | |
CH600470A5 (fr) * | 1976-11-09 | 1978-06-15 | Bbc Brown Boveri & Cie | |
JPS57122981U (fr) * | 1981-01-27 | 1982-07-31 | ||
FR2652434A1 (fr) * | 1989-09-22 | 1991-03-29 | Sextant Avionique | Procede et dispositif d'optimisation du contraste et de l'angle de vue d'un afficheur a cristaux liquides. |
-
1991
- 1991-04-12 FR FR9104956A patent/FR2675295B1/fr not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR2675295A1 (fr) | 1992-10-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |