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:
Jun. 11, 2013
Filed:
Apr. 11, 2008
Applicants:
Daniel Becker, Augsburg, DE;
Tim Fiedler, München, DE;
Frank Jermann, Königsbrunn, DE;
Bianca Pohl, München, DE;
Martin Zachau, Geltendorf, DE;
Inventors:
Daniel Becker, Augsburg, DE;
Tim Fiedler, München, DE;
Frank Jermann, Königsbrunn, DE;
Bianca Pohl, München, DE;
Martin Zachau, Geltendorf, DE;
Assignee:
OSRAM Gesellschaft mit beschränkter Haftung, Munich, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K 11/08 (2006.01); C09K 11/54 (2006.01);
U.S. Cl.
CPC ...
Abstract
A red-emitting phosphor composed of an M-Al—Si—N system, comprising a cation M, wherein M is represented by at least one of the elements Ca or Ba or Sr and, if appropriate, can additionally be combined with at least one further element from the group Mg, Zn, Cd, wherein the phosphor is activated with Eu, which partly replaces M, and wherein the phosphor additionally contains LiF.