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:
Jul. 26, 2011
Filed:
Jul. 12, 2007
Michael Buechel, Eindhoven, NL;
Edward Willem Albert Young, Eindhoven, NL;
Michael Buechel, Eindhoven, NL;
Edward Willem Albert Young, Eindhoven, NL;
Koninklijke Philips Electronics N.V., Eindhoven, NL;
Abstract
An electro-optically active organic diode, for example an organic light emitting diode (OLED), comprises an anode electrode (), a cathode electrode () and an electro-optically active organic layer () arranged in-between. A cover layer () is arranged in contact with a surface of the cathode layer () so that the cathode layer () is positioned between the organic layer () and the cover layer (), which is formed of a substantially inert material with respect to a cathode layer () material in contact with said cover layer (). The inert material is deposited on said surface of the cathode layer () so that the complete surface is covered and surface defects eliminated. A short protection layer () is further arranged between said cathode electrode () and said electro-optically active organic layer (), and adjacent to said cathode electrode (), and is formed of an inorganic semiconductor material. The cover layer () and the short protection layer () together reduce the risk of shorts to occur between the cathode () and the anode () and thus increase reliability of the electro-optically active organic diode.