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:
Aug. 15, 2017
Filed:
Jul. 25, 2012
Applicants:
Jonas Valentin Kroeber, Frankfurt am Main, DE;
Frank Voges, Bad Duerkheim, DE;
Susanne Heun, Bad Soden, DE;
Joachim Kaiser, Darmstadt, DE;
Inventors:
Jonas Valentin Kroeber, Frankfurt am Main, DE;
Frank Voges, Bad Duerkheim, DE;
Susanne Heun, Bad Soden, DE;
Joachim Kaiser, Darmstadt, DE;
Assignee:
Merck Patent GmbH, Darmstadt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/50 (2006.01); C09B 57/00 (2006.01); H01L 51/56 (2006.01); H01L 51/00 (2006.01);
U.S. Cl.
CPC ...
H01L 51/5004 (2013.01); C09B 57/00 (2013.01); H01L 51/0067 (2013.01); H01L 51/5016 (2013.01); H01L 51/5076 (2013.01); H01L 51/56 (2013.01); H01L 51/0058 (2013.01); H01L 51/0072 (2013.01); H01L 51/0094 (2013.01); H01L 2251/552 (2013.01);
Abstract
The present invention relates to organic electroluminescent devices which comprise a mixture of at least two materials in the electron-transport layer.