Phosphors and white light illumination devices utilizing the same

Disclosed is about compositions and synthetic methods of a phosphor that can be efficiently excited by blue light. The wavelength of the blue light is between 400 nm to 480 nm. The phosphors contain garnet fluorescent material activated with cerium, which contain Ba; Y, Tb, Lu, Sc, La, Gd, Sm, or co...

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Bibliographische Detailangaben
Hauptverfasser:	LIN, CHUN, LIU, RU-SHI, CHEN, KUO-JU, TSAI, PEIUN, LIN, JENUN, WANG, SU-REN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ADHESIVES BASIC ELECTRIC ELEMENTS CHEMISTRY DYES ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS POLISHES SEMICONDUCTOR DEVICES
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Beschreibung
Zusammenfassung:	Disclosed is about compositions and synthetic methods of a phosphor that can be efficiently excited by blue light. The wavelength of the blue light is between 400 nm to 480 nm. The phosphors contain garnet fluorescent material activated with cerium, which contain Ba; Y, Tb, Lu, Sc, La, Gd, Sm, or combinations thereof; and Al, Ga, In, or combinations thereof. In addition, the phosphor is easily and fast prepared in a large amount. The phosphors have high thermal stability and high illumination intensity, therefore being high value in industry utilization.