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:
Sep. 07, 2010
Filed:
Jun. 22, 2007
Applicants:
Arne Büsing, Frankfurt, DE;
Holger Heil, Darmstadt, DE;
Aurélie Ludemann, Frankfurt, DE;
Niels Schulte, Kelkheim, DE;
Inventors:
Arne Büsing, Frankfurt, DE;
Holger Heil, Darmstadt, DE;
Aurélie Ludemann, Frankfurt, DE;
Niels Schulte, Kelkheim, DE;
Assignee:
Merck Patent GmbH, , DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K 11/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to electroluminescent polymers which contain structural units of the formula (1) and to the use thereof. The polymers according to the invention exhibit improved efficiency and a longer lifetime, in particular on use in polymeric organic light-emitting diodes.