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, 2012
Filed:
Jul. 31, 2007
Daniel Becker, Augsburg, DE;
Tim Fiedler, München, DE;
Frank Jermann, Königsbrunn, DE;
Christian Koch, Oberottmarshausen, DE;
Bianca Pohl, München, DE;
Daniel Becker, Augsburg, DE;
Tim Fiedler, München, DE;
Frank Jermann, Königsbrunn, DE;
Christian Koch, Oberottmarshausen, DE;
Bianca Pohl, München, DE;
OSRAM AG, München, DE;
Abstract
A phosphor from the class of nitridosilicates from the M-Al—Si—N system, comprising a cation M, wherein M is represented by Ca alone or is represented by a mixture of Ca with at least one further element from the group Ba, Sr, Mg, Zn, Cd, Li, Na, Cu, wherein the phosphor is activated with at least one element from the group Eu, Ce which partly replaces M, characterized in that the phosphor forms a phase that is to be assigned to the system M3N2-AlN-Si3N4, wherein the atomic ratio of the constituents M:Al≧0.375 and the atomic ratio Si/Al≧1.4.