Optically enhanced solid-state light converters

A light converter (200) comprises: a solid-state light conversion material (201) that generates emission light from excitation light incident on its surface; a filler layer (230, 240) on the surface of the solid-state light conversion material (201); and an optical coating (220, 250) on the filler l...

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Bibliographische Detailangaben
Hauptverfasser:	Cao, Simon, Huang, Yuyong
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES THEREFOR ADHESIVES APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM BASIC ELECTRIC ELEMENTS BLASTING CHEMISTRY CINEMATOGRAPHY DYES ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY ELECTROGRAPHY FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF HEATING HOLOGRAPHY LIGHTING MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE MECHANICAL ENGINEERING METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PAINTS PHOTOGRAPHY PHYSICS POLISHES SEMICONDUCTOR DEVICES STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR WEAPONS
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Beschreibung
Zusammenfassung:	A light converter (200) comprises: a solid-state light conversion material (201) that generates emission light from excitation light incident on its surface; a filler layer (230, 240) on the surface of the solid-state light conversion material (201); and an optical coating (220, 250) on the filler layer. The optical coating (220, 250) may be a thin film, such as an anti-reflective coating (220) and/or a high-reflective coating (250). A metallic coating (260) may additionally be provided. The light converter (200) may be used for an optical device, such as a phosphor wheel or automotive headlight.