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.

Date of Patent:
May. 31, 2016

Filed:

Sep. 08, 2012
Applicants:

Joachim Kaiser, Darmstadt, DE;

Edgar Boehm, Griesheim, DE;

Inventors:

Joachim Kaiser, Darmstadt, DE;

Edgar Boehm, Griesheim, DE;

Assignee:

Merck Patent GmbH, Darmstadt, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/08 (2006.01); H01L 51/00 (2006.01); H01L 51/50 (2006.01); C09K 11/06 (2006.01); H01L 51/52 (2006.01); H01L 51/56 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0067 (2013.01); C09K 11/06 (2013.01); H01L 51/005 (2013.01); H01L 51/006 (2013.01); H01L 51/0056 (2013.01); H01L 51/0057 (2013.01); H01L 51/0058 (2013.01); H01L 51/0059 (2013.01); H01L 51/0061 (2013.01); H01L 51/0068 (2013.01); H01L 51/0072 (2013.01); H01L 51/0073 (2013.01); H01L 51/0085 (2013.01); H01L 51/0087 (2013.01); H01L 51/0088 (2013.01); H01L 51/504 (2013.01); H01L 51/5016 (2013.01); C09K 2211/1011 (2013.01); C09K 2211/1029 (2013.01); C09K 2211/1044 (2013.01); C09K 2211/1088 (2013.01); C09K 2211/185 (2013.01); H01L 51/5004 (2013.01); H01L 51/5068 (2013.01); H01L 51/5084 (2013.01); H01L 51/5206 (2013.01); H01L 51/5221 (2013.01); H01L 51/56 (2013.01); H01L 2251/5376 (2013.01); H01L 2251/5384 (2013.01);
Abstract

An organic electroluminescent device that includes at least two phosphorescent emitting layers, where phosphorescent emitter layercomprises a hole-conducting matrix material and two different phosphorescent emitters, and phosphorescent emitter layercomprises an electron-conducting matrix material and a phosphorescent emitter.


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