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. 05, 2010
Filed:
Aug. 14, 2006
Applicants:
Gunnar Luettgens, Aachen, DE;
Albrecht Kraus, Kerkrade, NL;
Benno Spinger, Aachen, DE;
Inventors:
Assignee:
Koninklijke Philips Electronics N.V., Eindhoven, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 5/50 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a light source to emit a mixture of primary and secondary light comprising an electroluminescent device like a light emitting diode LED or a laser, to emit the primary light into a light conversion element () to convert the primary light into the secondary light, where a first part of the primary light is emitted along a light path with a first conversion factor () for the primary light, and a second part of the primary light is emitted along a light path with a second conversion factor () for the primary light larger than the first conversion factor.