Fluorescence light emitting element comprising a phosphor layer including phosphors and a binder made of an inorganic material

A fluorescence light emitting element includes a phosphor layer that includes phosphors and a binder made of an inorganic material. A thermal conductivity B of the binder is larger than 1.88 times a thermal conductivity A of the phosphors. When the volume of the phosphors included in the phosphor la...

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Bibliographische Detailangaben
Hauptverfasser:	Kuroi Kiyoshi, Hashizume Toshiaki
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 CHEMISTRY CINEMATOGRAPHY DYES ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY ELECTROGRAPHY HOLOGRAPHY MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PHOTOGRAPHY PHYSICS POLISHES SEMICONDUCTOR DEVICES
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Beschreibung
Zusammenfassung:	A fluorescence light emitting element includes a phosphor layer that includes phosphors and a binder made of an inorganic material. A thermal conductivity B of the binder is larger than 1.88 times a thermal conductivity A of the phosphors. When the volume of the phosphors included in the phosphor layer is X and the volume of the binder included in the phosphor layer is Y, a relationship of X/Y>1/2 is satisfied.