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:
May. 14, 2013
Filed:
Dec. 15, 2008
Applicants:
Joerg Meyer, Aachen, DE;
Peter J. Schmidt, Aachen, DE;
Hans-helmut Bechtel, Roetgen, DE;
Walter Mayr, Alsdorf, DE;
Baby-seriyati Schreinemacher, Eynatten, BE;
Matthias Heidemann, Aachen, DE;
Inventors:
Joerg Meyer, Aachen, DE;
Peter J. Schmidt, Aachen, DE;
Hans-Helmut Bechtel, Roetgen, DE;
Walter Mayr, Alsdorf, DE;
Baby-Seriyati Schreinemacher, Eynatten, BE;
Matthias Heidemann, Aachen, DE;
Assignee:
Koninklijke Philips Electronics N.V., Eindhoven, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 33/00 (2010.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a red emitting material of the composition a(MN)*b(MN)*c(MN)*dCeO*dEuO*xMO2*yMOwith Cerium and Europium present in the material. This material has been found to have an increased lumen equivalent and absorption efficiency of blue light.