FR2173807A1 - - Google Patents

Info

Publication number
FR2173807A1
FR2173807A1 FR7207437A FR7207437A FR2173807A1 FR 2173807 A1 FR2173807 A1 FR 2173807A1 FR 7207437 A FR7207437 A FR 7207437A FR 7207437 A FR7207437 A FR 7207437A FR 2173807 A1 FR2173807 A1 FR 2173807A1
Authority
FR
France
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
FR7207437A
Other languages
French (fr)
Other versions
FR2173807B1 (US07714131-20100511-C00024.png
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.)
Bpifrance Financement SA
Original Assignee
Agence National de Valorisation de la Recherche ANVAR
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 Agence National de Valorisation de la Recherche ANVAR filed Critical Agence National de Valorisation de la Recherche ANVAR
Priority to FR7207437A priority Critical patent/FR2173807B1/fr
Publication of FR2173807A1 publication Critical patent/FR2173807A1/fr
Application granted granted Critical
Publication of FR2173807B1 publication Critical patent/FR2173807B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G02B5/1828—Diffraction gratings having means for producing variable diffraction
    • 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
    • G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
    • 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
    • G02F1/137—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
    • G02F1/13743—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on electrohydrodynamic instabilities or domain formation in liquid crystals

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Fluid Mechanics (AREA)
FR7207437A 1972-03-03 1972-03-03 Expired FR2173807B1 (US07714131-20100511-C00024.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7207437A FR2173807B1 (US07714131-20100511-C00024.png) 1972-03-03 1972-03-03

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7207437A FR2173807B1 (US07714131-20100511-C00024.png) 1972-03-03 1972-03-03

Publications (2)

Publication Number Publication Date
FR2173807A1 true FR2173807A1 (US07714131-20100511-C00024.png) 1973-10-12
FR2173807B1 FR2173807B1 (US07714131-20100511-C00024.png) 1974-08-02

Family

ID=9094565

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7207437A Expired FR2173807B1 (US07714131-20100511-C00024.png) 1972-03-03 1972-03-03

Country Status (1)

Country Link
FR (1) FR2173807B1 (US07714131-20100511-C00024.png)

Non-Patent Citations (6)

* Cited by examiner, † Cited by third party
Title
-ADRESSED LIQUID-CRYSTAL LIGHT VALVES'. *
ARTICLE DE P.J. WILD ET J. NEHRING : TURN-ON TIME REDUCTION AND CONTRAST ENHANCEMENT IN MATRIX *
LIQUIDES'.) *
N. 3438, NOVEMBRE 1971, ARTICLE DE E.DUBOIS-VIOLETTE ET O.PARODI : 'CES CRISTAUX QUE L ON DIT *
REVUE AMERICAINE 'APPLIED PHYSICS LETTERS', VOL. 19, N. 9, 1 NOVEMBRE 1971, PAGES 335-336 *
REVUE FRANCAISE 'SCIENCE-PROGRES-DECOUVERTE', VOL. 99, *

Also Published As

Publication number Publication date
FR2173807B1 (US07714131-20100511-C00024.png) 1974-08-02

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Legal Events

Date Code Title Description
ST Notification of lapse