LC BEAM BROADENING DEVICE WITH IMPROVED BEAM SYMMETRY

Liquid crystal light beam broadening devices and their manufacture are described. Beneficial aspects of beam broadening devices employed for controlled illumination and architectural purposes are presented including providing symmetric beam broadening, improving the beam intensity profile, beam dive...

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Bibliographische Detailangaben
Hauptverfasser:	ASATRYAN, Karen, ZOHRABYAN, Armen, PRESNIAKOV, Vladimir, GALSTIAN, Tigran
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING FREQUENCY-CHANGING NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Beschreibung
Zusammenfassung:	Liquid crystal light beam broadening devices and their manufacture are described. Beneficial aspects of beam broadening devices employed for controlled illumination and architectural purposes are presented including providing symmetric beam broadening, improving the beam intensity profile, beam divergence preconditioning and improving projected beam intensity uniformity. Both beam control devices having in-plane and homeotropic ground state liquid crystal alignment are presented. La présente invention concerne des dispositifs de commande de faisceau de lumière à cristaux liquides et leur fabrication. Des aspects avantageux des dispositifs d'élargissement de faisceau utilisés pour une illumination commandée et des fins architecturales sont présentés, comprenant la fourniture de l'élargissement de faisceau symétrique, de l'amélioration du profil d'intensité de faisceau, du préconditionnement de divergence de faisceau et de l'amélioration de l'uniformité d'intensité de faisceau projetée. L'invention concerne à la fois des dispositifs de commande de faisceau présentant un alignement de cristaux liquides dans l'état fondamental planaire et homéotrope.