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. 22, 2017
Filed:
Dec. 02, 2011
Junyou Pan, Frankfurt am Main, DE;
Rémi Manouk Anémian, Seoul, KR;
Susanne Heun, Bad Soden, DE;
Thomas Eberle, Landau, DE;
Niels Schulte, Kelkheim, DE;
Junyou Pan, Frankfurt am Main, DE;
Rémi Manouk Anémian, Seoul, KR;
Susanne Heun, Bad Soden, DE;
Thomas Eberle, Landau, DE;
Niels Schulte, Kelkheim, DE;
Merck Patent GmbH, Darmstadt, DE;
Abstract
The present invention relates to copolymers containing indenocarbazole derivatives having electron- and hole-transporting properties, in particular for use in the interlayer, emission layer and/or charge-transport layer of electroluminescent devices. The invention furthermore relates to a process for the preparation of the compounds according to the invention and to electronic devices comprising these compounds.