A LIGHT WEIGHT ELECTROCHROMIC MIRROR STACK

A light weight electrochromic dimmable mirror stack (300, 600) is presented that is composed only of solid-state layers (315, 615) with a total thickness of less than 50 micron and a reflector (310, 610). Normally such a kind of layered device suffers from iridescence due to interference of light wa...

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Bibliographische Detailangaben
Hauptverfasser:	WIDJAJA, EDY, PERSOONE, PETER
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 LOGIC ELEMENTS OPTICS PERFORMING OPERATIONS PHYSICS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF TRANSPORTING VEHICLES IN GENERAL VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR
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Beschreibung
Zusammenfassung:	A light weight electrochromic dimmable mirror stack (300, 600) is presented that is composed only of solid-state layers (315, 615) with a total thickness of less than 50 micron and a reflector (310, 610). Normally such a kind of layered device suffers from iridescence due to interference of light waves reflecting at the interfaces between the layers of the electrochromic device. The solution provided by the invention is to pattern at least one of the layers (315, 615) in the device such that the interference effects are smeared out and a more neutral color is obtained. Various possible configurations are described and also the method to produce such a device. L'invention concerne un empilement de miroir électrochromique à gradation réglable léger (300, 600) qui est uniquement composé de couches à semiconducteur (315, 615) ayant une épaisseur totale de moins de 50 micromètres et un réflecteur (310, 610). Habituellement, un tel type de dispositif en couches subit une iridescence due à une interférence d'ondes lumineuses se réfléchissant au niveau des interfaces entres les couches du dispositif électrochromique. La solution proposée selon l'invention est de former des motifs sur au moins l'une des couches (315, 615) du dispositif de façon à dissiper les effets d'interférence et d'obtenir une couleur plus neutre. L'invention concerne diverses configurations possibles ainsi que le procédé de production d'un tel dispositif.