GREEN EMITTING LUMINESCENT MATERIALS

The invention relates to improved green light emitting materials of the formula Me(La 1-a-b-c-d Y a Gd b Lu c Tb d )(Mo 1-x W x ) 2 O8, (La 1-a-b-c-d Y a Gd b Lu c Tb d ) 2 (Mo 1-x Wx ) 2O9 and (La 1-a-b-c-d Y a Gd b Lu c Tb d ) 2 (Mo 1-x W x )3O12. These materials have a high lumen equivalent, a fa...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	BETTENTRUP, HELGA, JUESTEL, THOMAS, UHLICH, DOMINIK, HUPPERTZ, PETRA, WIECHERT, DETLEF UWE, OHLAND, HENNING
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ADHESIVES ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F CONCRETE DYES INORGANIC CHEMISTRY LIME, MAGNESIA MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS POLISHES REFRACTORIES SLAG TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	The invention relates to improved green light emitting materials of the formula Me(La 1-a-b-c-d Y a Gd b Lu c Tb d )(Mo 1-x W x ) 2 O8, (La 1-a-b-c-d Y a Gd b Lu c Tb d ) 2 (Mo 1-x Wx ) 2O9 and (La 1-a-b-c-d Y a Gd b Lu c Tb d ) 2 (Mo 1-x W x )3O12. These materials have a high lumen equivalent, a fast decay, and a high conversion efficiency which makes them useful for lighting purposes. L'invention porte sur des matières améliorées émettant de la lumière verte, représentées par la formule Me(La1-a-b-c-d Ya Gdb Luc Tbd)(Mo1-x Wx)2 O8, (La1-a-b-c-d Ya Gdb Luc Tbd)2 (Mo1-x Wx)2O9 et (La1-a-b-c-d Ya Gdb Luc Tbd)2 (Mo1-x Wx)3O12. Ces matières ont un lumen équivalent élevé, une dégradation rapide et un rendement de conversion élevé qui les rend utile pour des objectifs d'éclairage.