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:
Jul. 13, 2010
Filed:
May. 22, 2006
Applicants:
Thomas Justel, Witten, DE;
Walter Mayr, Alsdorf, DE;
Jorg Meyer, Aachen, DE;
Peter Schmidt, Aachen, DE;
Inventors:
Thomas Justel, Witten, DE;
Walter Mayr, Alsdorf, DE;
Jorg Meyer, Aachen, DE;
Peter Schmidt, Aachen, DE;
Assignee:
Koniklijke Philips Electronics N.V., Eindhoven, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An illumination system includes a radiation source capable of emitting primary radiation and a luminescent material. The luminescent material includes a blend of a first phosphor capable of converting the primary radiation into a broad-band emission in the yellow range of the electromagnetic spectrum, and a second phosphor capable of converting the primary radiation into a multiple narrow-band emission in the red and green range of the electromagnetic spectrum.