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:
Dec. 29, 2009
Filed:
Jul. 25, 2007
Heinrich Becker, Eppstein, DE;
Kevin Treacher, Northwich, GB;
Hubert Spreitzer, Viernheim, DE;
Aurelie Falcou, Frankfurt, DE;
Philipp Stoessel, Frankfurt, DE;
Arne Buesing, Frankfurt, DE;
Amir Parham, Frankfurt, DE;
Bernd Schröder, Villmar-Weyer, DE;
Heinrich Becker, Eppstein, DE;
Kevin Treacher, Northwich, GB;
Hubert Spreitzer, Viernheim, DE;
Aurelie Falcou, Frankfurt, DE;
Philipp Stoessel, Frankfurt, DE;
Arne Buesing, Frankfurt, DE;
Amir Parham, Frankfurt, DE;
Bernd Schröder, Villmar-Weyer, DE;
Merck Patent GmbH, Darmstadt, DE;
Abstract
The present invention relates to novel conjugated polymers comprising spirobifluorene units and their use in optoelectronic devices, preferably in, for example, displays based on polymeric organic light-emitting diodes.