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. 03, 2010
Filed:
Sep. 18, 2004
Applicants:
Aurélie Falcou, Frankfurt, DE;
Frank Meyer, Heidelberg, DE;
Amir Parham, Frankfurt, DE;
Heinrich Becker, Hofheim, DE;
Inventors:
Aurélie Falcou, Frankfurt, DE;
Frank Meyer, Heidelberg, DE;
Amir Parham, Frankfurt, DE;
Heinrich Becker, Hofheim, DE;
Assignee:
Merck Patent GmbH, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 73/06 (2006.01); C08G 61/00 (2006.01); C08G 75/06 (2006.01); H01B 1/12 (2006.01); H01L 51/05 (2006.01); H01L 51/30 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to conjugated polymers which comprise both structural units of the formula (1) and also structural units of the formula (2). The materials according to the invention are more readily soluble, display improved air stability and display a smaller voltage increase during prolonged operation when used in a polymeric organic light-emitting diode (PLED) than polymers according to the prior art.