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. 28, 2011
Filed:
Jun. 10, 2005
Helmut Bechtel, Roetgen, DE;
Wolfgang Busselt, Roetgen, DE;
Georg Friedrich Gartner, Aachen, DE;
Eliav Itzhak, Eindhoven, NL;
Joachim Opitz, Aachen, DE;
Helmut Bechtel, Roetgen, DE;
Wolfgang Busselt, Roetgen, DE;
Georg Friedrich Gartner, Aachen, DE;
Eliav Itzhak, Eindhoven, NL;
Joachim Opitz, Aachen, DE;
Koninklijke Philips Electronics N.V., Eindhoven, NL;
Abstract
An LED includes a substrate, a first electrode layer and a thin colloidal layer located between the substrate and the first electrode layer. A smoothening layer or particles located within or on the colloidal layer is provided so that the roughness of the outer surface of the colloidal layer which is facing towards the first electrode layer is R≦30 nm and R≧1 nm.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile