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. 05, 2016
Filed:
Mar. 07, 2012
Applicants:
Christof Pflumm, Frankfurt am Main, DE;
Niels Schulte, Kelkheim, DE;
Inventors:
Christof Pflumm, Frankfurt am Main, DE;
Niels Schulte, Kelkheim, DE;
Assignee:
Merck Patent GmbH, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/00 (2006.01); H01L 51/50 (2006.01); C09B 57/00 (2006.01); H01L 51/00 (2006.01);
U.S. Cl.
CPC ...
H01L 51/5004 (2013.01); C09B 57/00 (2013.01); C09B 57/008 (2013.01); H01L 51/5016 (2013.01); H01L 51/5096 (2013.01); H01L 51/0059 (2013.01); H01L 51/0061 (2013.01); H01L 51/0067 (2013.01); H01L 51/0072 (2013.01); H01L 51/0074 (2013.01); H01L 51/0077 (2013.01); H01L 51/0085 (2013.01); H01L 51/0087 (2013.01); H01L 51/0094 (2013.01);
Abstract
The present invention relates to phosphorescent organic electroluminescent devices which have a low concentration of the phosphorescent emitter in the emitting layer.