FR3049727B1 - Dispositif d'obturation electro-optique a double etat de transmission optimise sur l'ensemble de la bande spectrale du visible - Google Patents

Dispositif d'obturation electro-optique a double etat de transmission optimise sur l'ensemble de la bande spectrale du visible Download PDF

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Publication number
FR3049727B1
FR3049727B1 FR1652857A FR1652857A FR3049727B1 FR 3049727 B1 FR3049727 B1 FR 3049727B1 FR 1652857 A FR1652857 A FR 1652857A FR 1652857 A FR1652857 A FR 1652857A FR 3049727 B1 FR3049727 B1 FR 3049727B1
Authority
FR
France
Prior art keywords
electro
entirely
visible
spectral band
optimized over
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.)
Active
Application number
FR1652857A
Other languages
English (en)
Other versions
FR3049727A1 (fr
Inventor
Jean-Louis De Bougrenet De La Tocnaye
Laurent Dupont
Samir ABBAS
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.)
Telecom ParisTech
Institut Mines Telecom IMT
Eyes Triple Shut SAS
Original Assignee
Telecom ParisTech
Institut Mines Telecom IMT
Eyes Triple Shut SAS
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 Telecom ParisTech, Institut Mines Telecom IMT, Eyes Triple Shut SAS filed Critical Telecom ParisTech
Priority to FR1652857A priority Critical patent/FR3049727B1/fr
Priority to PCT/EP2017/057613 priority patent/WO2017167922A1/fr
Publication of FR3049727A1 publication Critical patent/FR3049727A1/fr
Application granted granted Critical
Publication of FR3049727B1 publication Critical patent/FR3049727B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G02F1/1347—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
    • G02F1/13475—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 in which at least one liquid crystal cell or layer is doped with a pleochroic dye, e.g. GH-LC cell
    • 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
    • G02F1/13731—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 a field-induced phase transition
    • G02F1/13737—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 a field-induced phase transition in liquid crystals doped with a pleochroic dye
FR1652857A 2016-04-01 2016-04-01 Dispositif d'obturation electro-optique a double etat de transmission optimise sur l'ensemble de la bande spectrale du visible Active FR3049727B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR1652857A FR3049727B1 (fr) 2016-04-01 2016-04-01 Dispositif d'obturation electro-optique a double etat de transmission optimise sur l'ensemble de la bande spectrale du visible
PCT/EP2017/057613 WO2017167922A1 (fr) 2016-04-01 2017-03-30 Dispositif d'obturation électro-optique à double état de transmission optimisé sur l'ensemble de la bande spectrale du visible

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1652857 2016-04-01
FR1652857A FR3049727B1 (fr) 2016-04-01 2016-04-01 Dispositif d'obturation electro-optique a double etat de transmission optimise sur l'ensemble de la bande spectrale du visible

Publications (2)

Publication Number Publication Date
FR3049727A1 FR3049727A1 (fr) 2017-10-06
FR3049727B1 true FR3049727B1 (fr) 2018-04-27

Family

ID=56741142

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1652857A Active FR3049727B1 (fr) 2016-04-01 2016-04-01 Dispositif d'obturation electro-optique a double etat de transmission optimise sur l'ensemble de la bande spectrale du visible

Country Status (2)

Country Link
FR (1) FR3049727B1 (fr)
WO (1) WO2017167922A1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2129954B (en) * 1982-10-22 1986-03-05 Stc Plc Liquid crystal display device
US7282245B2 (en) * 2004-10-26 2007-10-16 Xerox Corporation Device with multiple liquid crystal layers
FR3021418B1 (fr) * 2014-05-22 2018-03-02 Institut Mines Telecom - Telecom Bretagne Dispositif d'obturation electro-optique a double mode d'attenuation
FR3033331B1 (fr) * 2015-03-03 2017-04-14 Inst Mines Telecom Materiau destine a la realisation d'un dispositif d'obturation electro-optique a trois etats de transmission, dispositif et utilisations correspondants.

Also Published As

Publication number Publication date
WO2017167922A1 (fr) 2017-10-05
FR3049727A1 (fr) 2017-10-06

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