PHOSPHOR AND ITS MANUFACTURE

PURPOSE:To improve the conductivity and enhance the luminous intensity by providing a conductive coating layer comprising a compound oxide of In, Sn, and a specified metal on the surface of a phosphor. CONSTITUTION:A fluorescent material is coated with 0.1-20wt.% conductive substance (electrical res...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: TAKEDA MIZUYASU, KIMURA KAZUHIRO, NAKAMURA TAKESHI
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:PURPOSE:To improve the conductivity and enhance the luminous intensity by providing a conductive coating layer comprising a compound oxide of In, Sn, and a specified metal on the surface of a phosphor. CONSTITUTION:A fluorescent material is coated with 0.1-20wt.% conductive substance (electrical resistance: 1000OMEGA or less) comprising a compound oxide shown by the formula In(2-x-y)SnxMyOz (wherein M is Sb, Cd, Zn, W, Ti or Mo; 0