FR2409529A1 - Systeme modulateur de lumiere - Google Patents
Systeme modulateur de lumiereInfo
- Publication number
- FR2409529A1 FR2409529A1 FR7735004A FR7735004A FR2409529A1 FR 2409529 A1 FR2409529 A1 FR 2409529A1 FR 7735004 A FR7735004 A FR 7735004A FR 7735004 A FR7735004 A FR 7735004A FR 2409529 A1 FR2409529 A1 FR 2409529A1
- Authority
- FR
- France
- Prior art keywords
- liq
- filtering
- dielectric
- light modulating
- concentric annular
- 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
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
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133514—Colour filters
-
- 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
- G02F1/1313—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 specially adapted for a particular application
-
- 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
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
-
- 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
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/52—RGB geometrical arrangements
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Geometry (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
Abstract
SYSTEME DESTINE A MODULER OU A MODIFIER UN FAISCEAU LUMINEUX TRAVERSANT UN SYSTEME OPTIQUE, CARACTERISE EN CE QU'IL EST CONSTITUE D'UNE CELLULE A CRISTAL LIQUIDE DONT LES ELECTRODES CONSTITUENT UNE SERIE D'ANNEAUX CONCENTRIQUES, CHACUN DE CES ANNEAUX ETANT COMMANDE PAR UN CONTACT EXTERNE ET INDEPENDANT, LADITE CELLULE ETANT INTERPOSEE SUR LE TRAJET DU FAISCEAU LUMINEUX A MODIFIER.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7735004A FR2409529A1 (fr) | 1977-11-22 | 1977-11-22 | Systeme modulateur de lumiere |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7735004A FR2409529A1 (fr) | 1977-11-22 | 1977-11-22 | Systeme modulateur de lumiere |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2409529A1 true FR2409529A1 (fr) | 1979-06-15 |
FR2409529B1 FR2409529B1 (fr) | 1980-07-04 |
Family
ID=9197870
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7735004A Granted FR2409529A1 (fr) | 1977-11-22 | 1977-11-22 | Systeme modulateur de lumiere |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2409529A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0237707A2 (fr) * | 1986-03-20 | 1987-09-23 | VDO Adolf Schindling AG | Dispositif d'affichage |
-
1977
- 1977-11-22 FR FR7735004A patent/FR2409529A1/fr active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0237707A2 (fr) * | 1986-03-20 | 1987-09-23 | VDO Adolf Schindling AG | Dispositif d'affichage |
EP0237707A3 (fr) * | 1986-03-20 | 1989-04-05 | VDO Adolf Schindling AG | Dispositif d'affichage |
Also Published As
Publication number | Publication date |
---|---|
FR2409529B1 (fr) | 1980-07-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US1707965A (en) | Illuminated sign | |
ES8201739A1 (es) | Un dispositivo de visualizacion | |
IE34870L (en) | Photoanalysis apparatus | |
GB1331799A (en) | Light defelctor | |
FR2618568B1 (fr) | Procede de fabrication d'un dispositif pour la modulation de la lumiere | |
FR2409529A1 (fr) | Systeme modulateur de lumiere | |
JPS5586061A (en) | Thin type discharge lamp | |
CA1015478A (en) | Liquid crystal cell for producing colored light | |
JPS5288085A (en) | Defect detection system | |
ES459022A1 (es) | Perfeccionamientos introducidos en un sistema de iluminacionde la trayectoria de aproximacion en el aterrizaje de aero- planos. | |
GB1477949A (en) | Apparatus for engraving printing surfaces by means of laser light | |
CA971260A (en) | Electro-optical light modulation cell | |
GB1373649A (en) | Luminance distribution photometers | |
GB1343657A (en) | Light projectors | |
JPS57211504A (en) | Observation member for talbot interferometer | |
JPS53115247A (en) | Light intensity modulating and optical path changing device using prisms | |
GB1450589A (en) | Correcting lens | |
FR2285629A1 (fr) | Dispositif de projection | |
JPS5221843A (en) | Solid state thin film light modulation element | |
JPS55157843A (en) | Black matrix system colour image receiving tube | |
JPS5738427A (en) | Reflective screen | |
JPS56165250A (en) | Electron beam scanning type electro-optical valve | |
GB1353371A (en) | Apparatus for rendering visible waves of acoustic frequency | |
JPS5570808A (en) | Production of multicolor optical filter plate | |
JPS54134552A (en) | Exposure unit for color picture tube |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |