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:
Nov. 15, 2011
Filed:
May. 10, 2005
Applicants:
Arne Buesing, Frankfurt am Main, DE;
René Scheurich, Gross-Zimmern, DE;
Susanne Heun, Bad Soden, DE;
Ingrid Bach, Hofheim, DE;
Inventors:
Arne Buesing, Frankfurt am Main, DE;
René Scheurich, Gross-Zimmern, DE;
Susanne Heun, Bad Soden, DE;
Ingrid Bach, Hofheim, DE;
Assignee:
Merck Patent GmbH, Darmstadt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 1/62 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to mixtures comprising at least one polymer, additionally comprising structural units containing at least one element from the 4main group different from carbon and additionally comprising structural units that are triplet emissives. The inventive materials are better suited to the use in phosphorescent organic light emitting diodes than comparable prior art materials.