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. 12, 2016
Filed:
Jun. 24, 2011
Applicants:
Anja Gerhard, Egelsbach, DE;
Philipp Stoessel, Frankfurt am Main, DE;
Dominik Joosten, Frankfurt am Main, DE;
Holger Heil, Frankfurt am Main, DE;
Christof Pflumm, Darmstadt, DE;
Susanne Heun, Bad Soden, DE;
Inventors:
Anja Gerhard, Egelsbach, DE;
Philipp Stoessel, Frankfurt am Main, DE;
Dominik Joosten, Frankfurt am Main, DE;
Holger Heil, Frankfurt am Main, DE;
Christof Pflumm, Darmstadt, DE;
Susanne Heun, Bad Soden, DE;
Assignee:
Merck Patent GmbH, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/50 (2006.01); H01L 51/00 (2006.01);
U.S. Cl.
CPC ...
H01L 51/5004 (2013.01); H01L 51/0002 (2013.01); H01L 51/5016 (2013.01); H01L 51/5036 (2013.01); H01L 51/0067 (2013.01); H01L 51/0085 (2013.01);
Abstract
The present invention relates to phosphorescent organic electroluminescent devices include at least one phosphorescent emitter and a matrix material in the emitting layer, where certain conditions must be satisfied for the positions of the triplet energy and the HOMO and LUMO.