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. 13, 2015
Filed:
Aug. 16, 2006
Applicants:
Amir Parham, Frankfurt, DE;
Susanne Heun, Bad Soden, DE;
Horst Vestweber, Gilserberg, DE;
Philipp Stoessel, Frankfurt am Main, DE;
Holger Heil, Darmstadt, DE;
Rocco Fortte, Frankfurt, DE;
Inventors:
Amir Parham, Frankfurt, DE;
Susanne Heun, Bad Soden, DE;
Horst Vestweber, Gilserberg, DE;
Philipp Stoessel, Frankfurt am Main, DE;
Holger Heil, Darmstadt, DE;
Rocco Fortte, Frankfurt, DE;
Assignee:
Merck Patent GmbH, Darmstadt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 1/63 (2006.01); C07D 221/18 (2006.01); C09K 11/06 (2006.01); C07D 471/16 (2006.01); H01L 51/00 (2006.01); H05B 33/14 (2006.01); C09B 17/00 (2006.01); C09B 19/00 (2006.01); C09B 21/00 (2006.01); C09B 23/14 (2006.01); C09B 57/00 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
C09K 11/06 (2013.01); C07D 471/16 (2013.01); H01L 51/0059 (2013.01); H01L 51/0071 (2013.01); H01L 51/0072 (2013.01); H05B 33/14 (2013.01); C09B 17/00 (2013.01); C09B 19/00 (2013.01); C09B 21/00 (2013.01); C09B 23/145 (2013.01); C09B 23/148 (2013.01); C09B 57/00 (2013.01); C09B 57/008 (2013.01); C09K 2211/1014 (2013.01); C09K 2211/1029 (2013.01); H01L 51/0052 (2013.01); H01L 51/0068 (2013.01); H01L 51/008 (2013.01); H01L 51/5012 (2013.01); H01L 51/5048 (2013.01); Y02E 10/549 (2013.01); Y10S 977/754 (2013.01);
Abstract
The present invention relates to the improvement of organic electroluminescent devices, in particular blue-emitting devices, by using compounds of the formula (1) or formula (2) as dopants in the emitting layer or as hole-transport material in a hole-transport layer.