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. 05, 2012
Filed:
Mar. 09, 2004
Applicants:
Hans-helmut Bechtel, Roetgen, DE;
Dietrich Bertram, Aachen, DE;
Markus Klein, Tegernheim, DE;
Volker Weiler, Aachen, DE;
Inventors:
Hans-Helmut Bechtel, Roetgen, DE;
Dietrich Bertram, Aachen, DE;
Markus Klein, Tegernheim, DE;
Volker Weiler, Aachen, DE;
Assignee:
Koninklijke Philips Electronics N.V., Eindhoven, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 1/62 (2006.01);
U.S. Cl.
CPC ...
Abstract
An electroluminescent device includes a substrate and a sandwich consisting of a first electrode, an electroluminescent layer and a second electrode. To improve decoupling of light from the electro-luminescent device, a layer comprising conductive particles adjoins the first or second electrode.