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:
Jun. 19, 2003
Applicants:
Helmut Bechtel, Roetgen, DE;
Wolfgang Busselt, Roetgen, DE;
Herbert Friedrich Börner, Aachen, DE;
Dietrich Bertram, Aachen, DE;
Inventors:
Helmut Bechtel, Roetgen, DE;
Wolfgang Busselt, Roetgen, DE;
Herbert Friedrich Börner, Aachen, DE;
Dietrich Bertram, Aachen, DE;
Assignee:
Koninklijke Philips Electronics, N.V., Eindhoven, NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 33/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
An electroluminescent device includes a transparent cathode and a substrate. A laminated body is provided Adjacent to the substrate. The laminated body includes a first electrode, an electroluminescent layer and a second metallic electrode. The second electrode is covered with transparent dielectric layers which increase the transmission of light through the second metallic electrode and serve as filters.