Optical device with liquid crystal alignment

An optical device, comprising: -a first electrode layer; -a second electrode layer provided at a distance from the first electrode layer; -the first and second electrode layer being light transmitting; wherein the optical device further comprises, in between the first and the second electrode layers...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Marchal, Paul Wilfried Cecile, De Smet, Jelle, Cirkel, Peter
Format:	Patent
Sprache:	eng
Schlagworte:	CONTACT LENSES 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 LOGIC ELEMENTS OPTICS PHYSICS SPECTACLES SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Beschreibung
Zusammenfassung:	An optical device, comprising: -a first electrode layer; -a second electrode layer provided at a distance from the first electrode layer; -the first and second electrode layer being light transmitting; wherein the optical device further comprises, in between the first and the second electrode layers: o a diffractive optical element adjacent to the first electrode layer and comprising at least one sloped surface; and o a liquid crystalline material filling a space between the sloped surface and the second electrode layer; the liquid crystalline material having a pretilt that compensates for a slope angle of the at least one sloped surface.