Perparation of improved ZnS:Mn phosphors

The present invention relates to the precipitation of nano-particles of zinc sulfide efficiently doped with manganese ions, and their use in a particular electroluminescent device. Highly efficient ZnS:Mn phosphors can be obtained by using triazole or diazole compounds during homogeneous precipitati...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Andriessen, Hieronymus, Lezy, Steven
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The present invention relates to the precipitation of nano-particles of zinc sulfide efficiently doped with manganese ions, and their use in a particular electroluminescent device. Highly efficient ZnS:Mn phosphors can be obtained by using triazole or diazole compounds during homogeneous precipitation in aqueous medium. Coated layers containing such phosphors can be incorporated in Thin Film Inorganic Light Emitting Diodes.