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:
Apr. 23, 2019
Filed:
Jan. 12, 2018
Applicant:
Merck Patent Gmbh, Darmstadt, DE;
Inventors:
Frank Voges, Bad Duerkheim, DE;
Jonas Valentin Kroeber, Frankfurt am Main, DE;
Christof Pflumm, Darmstadt, DE;
Joachim Kaiser, Darmstadt, DE;
Arne Buesing, Frankfurt am Main, DE;
Assignee:
Merck Patent GmbH, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/00 (2006.01); H01L 51/50 (2006.01); A61N 5/06 (2006.01); H01L 51/52 (2006.01);
U.S. Cl.
CPC ...
H01L 51/5064 (2013.01); A61N 5/06 (2013.01); H01L 51/0059 (2013.01); H01L 51/5004 (2013.01); H01L 51/506 (2013.01); H01L 51/5012 (2013.01); H01L 51/5072 (2013.01); H01L 51/5092 (2013.01); H01L 51/5096 (2013.01); H01L 51/5206 (2013.01); H01L 51/5221 (2013.01); A61N 2005/0653 (2013.01); H01L 51/006 (2013.01); H01L 51/0051 (2013.01); H01L 51/0056 (2013.01); H01L 51/0058 (2013.01); H01L 51/0061 (2013.01); H01L 51/0071 (2013.01); H01L 51/0072 (2013.01); H01L 51/0073 (2013.01); H01L 51/0074 (2013.01); H01L 51/0094 (2013.01); H01L 2251/301 (2013.01); H01L 2251/303 (2013.01); H01L 2251/308 (2013.01); H01L 2251/552 (2013.01); H01L 2251/558 (2013.01);
Abstract
The present application relates to an electronic device comprising a hole-transport layer A, a doped hole-transport layer B and a hole-transport layer C, where hole-transport layers A, B and C are arranged between the anode and the emitting layer, and where hole-transport layer B is arranged on the cathode side of hole-transport layer A and hole-transport layer C is arranged on the cathode side of hole-transport layer B.