The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 10, 2006
Filed:
Jan. 21, 2003
Arunava Dutta, Winchester, MA (US);
Aline Tetreault, Drummondville, CA;
Leonard V. Dullea, Peabody, MA (US);
Pascal Horion, Nicephore, CA;
Arunava Dutta, Winchester, MA (US);
Aline Tetreault, Drummondville, CA;
Leonard V. Dullea, Peabody, MA (US);
Pascal Horion, Nicephore, CA;
Osram Sylvania Inc., Danvers, MA (US);
Abstract
A UV-emitting phosphor blend is provided which comprises a mixture of at least two UVA-emitting phosphors selected from SrBO:Eu, YPO:Ce, and BaSiO: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 SrCeMgAlOin an amount from 0 to 12 wt. % of the mixture. Tanning lamps containing these blends exhibit increases in initial UVA output and UVA maintenance.