ELECTROPHORETIC PARTICLE FILM HAVING REDUCED DIFFRACTION IN AN OPEN STATE

A switchable light modulating device with an electrophoretic medium disposed between a first light-transmissive electrode layer and a second electrode layer. The device includes one or more apodization structures in a bottom of a cell that contains the electrophoretic fluid, and the apodization stru...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	BEAN, Brian D, O'KEEFFE, Donal Martin
Format:	Patent
Sprache:	eng
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 LOGIC ELEMENTS OPTICS PHYSICS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Beschreibung
Zusammenfassung:	A switchable light modulating device with an electrophoretic medium disposed between a first light-transmissive electrode layer and a second electrode layer. The device includes one or more apodization structures in a bottom of a cell that contains the electrophoretic fluid, and the apodization structures reduce optical interference when the cell is in an open state and the structure is viewed with reflected or transmitted light passing through the apodization structure.