UV-EMITTING PHOSPHOR BLEND AND TANNING LAMP CONTAINING SAME

Title:

UV-EMITTING PHOSPHOR BLEND AND TANNING LAMP CONTAINING SAME

Document Type and Number:

WIPO Patent Application WO2004066334

Kind Code:

A3

Abstract:

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 a UVB-emitting phosphor 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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Inventors:

DUTTA ARUNAVA (US)
TETREAULT ALINE (CA)
DULLEA LEONARD V (US)
HORION PASCAL (CA)

Application Number:

PCT/US2004/001362

Publication Date:

December 29, 2004

Filing Date:

January 20, 2004

Export Citation:

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Assignee:

OSRAM SYLVANIA INC (US)
DUTTA ARUNAVA (US)
TETREAULT ALINE (CA)
DULLEA LEONARD V (US)
HORION PASCAL (CA)

International Classes:

C09K11/02; C09K11/08; C09K11/59; C09K11/66; C09K11/77; H01J1/00; H01J61/44; (IPC1-7): H01J61/44; H01J1/62; H01J61/42

Foreign References:

EP0228737A2

1987-07-15

Other References: