UV-emitting phosphor blend and tanning lamp containing same

A UV-emitting phosphor blend is provided which comprises a mixture of at least two UVA-emitting phosphors selected from SrB4O7:Eu, YPO4:Ce, and BaSi2O5:Pb wherein the sum of the weight percentages of the phosphors in the mixture equals 100%. The phosphor blend may additionally contain an amount of S...

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Bibliographische Detailangaben
Hauptverfasser: DULLEA LEONARD V, TETREAULT ALINE, DUTTA ARUNAVA, HORION PASCAL
Format: Patent
Sprache:eng
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Zusammenfassung:A UV-emitting phosphor blend is provided which comprises a mixture of at least two UVA-emitting phosphors selected from SrB4O7:Eu, YPO4:Ce, and BaSi2O5:Pb wherein the sum of the weight percentages of the phosphors in the mixture equals 100%. The phosphor blend may additionally contain an amount of SrCe0.08MgAl11O18 in an amount from 0 to 12 wt. % of the mixture. Tanning lamps containing these blends exhibit increases in initial UVA output and UVA maintenance.