Uv-emitting phosphor blend and tanning lamp containing same

Details Uv-emitting phosphor blend and tanning lamp containing same Uv-emitting phosphor blend and tanning lamp containing same

C - Chemistry, Metallurgy

09

K

C09K 11/70 (2006.01) C09K 11/08 (2006.01) C09K 11/66 (2006.01) C09K 11/71 (2006.01) C09K 11/77 (2006.01) H01J 61/44 (2006.01)

Patent

CA 2448911

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.

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