FR2409529A1 - Systeme modulateur de lumiere - Google Patents

Systeme modulateur de lumiere

Info

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
Application number
FR7735004A
Other languages
English (en)
Other versions
FR2409529B1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
APPLIC ARTIST TECH INDLES
Original Assignee
APPLIC ARTIST TECH INDLES
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by APPLIC ARTIST TECH INDLES filed Critical APPLIC ARTIST TECH INDLES
Priority to FR7735004A priority Critical patent/FR2409529A1/fr
Publication of FR2409529A1 publication Critical patent/FR2409529A1/fr
Application granted granted Critical
Publication of FR2409529B1 publication Critical patent/FR2409529B1/fr
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133509Filters, e.g. light shielding masks
    • G02F1/133514Colour filters
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/1313Devices 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
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1343Electrodes
    • G02F1/134309Electrodes characterised by their geometrical arrangement
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F2201/00Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/52RGB 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.
FR7735004A 1977-11-22 1977-11-22 Systeme modulateur de lumiere Granted FR2409529A1 (fr)

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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0237707A2 (fr) * 1986-03-20 1987-09-23 VDO Adolf Schindling AG Dispositif d'affichage

Cited By (2)

* Cited by examiner, † Cited by third party
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

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Legal Events

Date Code Title Description
ST Notification of lapse