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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.:

US 6586764 B1

PDFFull Text
Expired
Date of Patent:
Jul. 01, 2003

Filed:

Apr. 12, 2002

Led comprising a conductive transparent polymer layer with low sulfate and high metal ion content

Applicant:
Inventors:

Michael Buechel, Eindhoven, NL;

Boudewijn Johannes Catharinus Jacobs, Heerlen, NL;

Georg Greuel, Roetgen, DE;

Margaretha Maria De Kok Van Breemen, Eindhoven, NL;

Peter Van De Weijer, Eindhoven, NL;

Assignee:

Koninklijke Philips Electronics N.V., Eindhoven, NL;

Attorney:
Primary Examiner:

Steven Leke

Assistant Examiner:

Samuel Gebremariam

Int. Cl.
CPC ...
H01L 5/100 ;
U.S. Cl.
CPC ...
H01L 5/100 ;
Abstract

The invention pertains to an organic light emitting diode (LED) comprising a transparent electrode, superposed by a layer of a conductive transparent polymer (CTP), superposed by a layer of a light emitting polymer, oligomer, or low molecular weight compound superposed by a metal cathode, characterized in that the CTP layer has a sulfate ion content of less than 7,500 ppm, and a metal ion content of more than 0.04 mmoles/g.

Find Patent Forward Citations

Buechel, Michael. (2003). Led comprising a conductive transparent polymer layer with low sulfate and high metal ion content (U.S. Patent No. 6586764). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6586764

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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