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. 21, 2011
Filed:
Mar. 13, 2007
Applicants:
Dietrich Bertram, Aachen, DE;
Lingli Wang, Heeze, NL;
Denis Joseph Carel Van Oers, Bocholt, BE;
Johannes Petrus Maria Ansems, Hulsel, NL;
Inventors:
Dietrich Bertram, Aachen, DE;
Lingli Wang, Heeze, NL;
Denis Joseph Carel Van Oers, Bocholt, BE;
Johannes Petrus Maria Ansems, Hulsel, NL;
Assignee:
Koninklijke Philips Electronics N.V., Eindhoven, NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21V 5/00 (2006.01); F21V 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A lighting device with a light emitter includes OLEDs of at least two different primary colors. The light emitter is followed by a primary optics, e.g. a collimator or a lens, and a tapered tubular reflector with a diameter that increases from its narrow end to its wide end. The light emitter may include concentric rings of different OLEDs.