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. 31, 2011
Filed:
Jul. 04, 2006
Applicants:
Hans-helmut Bechtel, Roetgen, DE;
Wolfgang Busselt, Roetgen, DE;
Peter J. Schmidt, Aachen, DE;
Inventors:
Assignee:
Koninklijke Philips Electronics N.V., Eindhoven, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An electroluminescent device comprising at least one electroluminescent light source () with an electroluminescent layer () for emitting a primary radiation with an emission characteristic around a mean emission direction (), and at least one light-converting element () for converting at least part of the primary radiation into a secondary radiation, wherein the shape of the light-converting element () is adapted to the emission characteristic of the electroluminescent light source () so as to generate a defined correlated color temperature as a function of a viewing angle ().