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:
Sep. 03, 2013
Filed:
May. 22, 2007
Jorg Meyer, Aachen, DE;
Peter Lurkens, Aachen, DE;
Bernd Ackermann, Aachen, DE;
Andreas Tucks, Aachen, DE;
Jorg Meyer, Aachen, DE;
Peter Lurkens, Aachen, DE;
Bernd Ackermann, Aachen, DE;
Andreas Tucks, Aachen, DE;
Koninklijke Philips N.V., Eindhoven, NL;
Abstract
A lighting device for generating colored and white light. According to the invention the lighting device comprises at least one light source () emitting blue or ultraviolet light and a color conversion unit () for converting said blue or ultraviolet light into visible light comprising at least two sections (), at least one section () of which being a transparent or translucent color converting section, said color conversion unit () being arranged for alternately illuminating said at least two sections () with said blue or ultraviolet light, said at least one color converting section containing luminescent material, wherein said luminescent material is a luminescent organic dye in a polymer matrix or a crystalline inorganic luminescent material.