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:
Apr. 22, 2014
Filed:
Jul. 09, 2008
Frank Jermann, Königsbrunn, DE;
Armin Konrad, Groβaitingen, DE;
Martin Zachau, Geltendorf, DE;
Osram Gesellschaft mit beschraenkter Haftung, Munich, DE;
Abstract
A phosphor mixture for a discharge lamp, which includes a first phosphor compound and a second phosphor compound, wherein the first phosphor compound has an emission spectrum in the green and/or yellow spectral range and absorbs the UV radiation emitted by an Hg source and the radiation in the blue spectral range emitted by the Hg source, characterized in that the first phosphor compound of the phosphor mixture comprises (Ba,Sr,Ca)SiO:Eu and/or (SrBaCa)SiON:Eu(SrSiON), as a constituent, and the second phosphor compound of the phosphor mixture comprises YO:Eu, as a constituent; and the phosphor mixture has a color temperature of less than 2500 K.