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. 14, 2017
Filed:
Aug. 23, 2012
Anja Jatsch, Frankfurt am Main, DE;
Amir Hossain Parham, Frankfurt am Main, DE;
Christof Pflumm, Darmstadt, DE;
Philipp Stoessel, Frankfurt am Main, DE;
Jonas Valentin Kroesser, Frankfurt am Main, DE;
Rémi Manouk Anémian, Seoul, KR;
Thomas Eberle, Landau, DE;
Anja Jatsch, Frankfurt am Main, DE;
Amir Hossain Parham, Frankfurt am Main, DE;
Christof Pflumm, Darmstadt, DE;
Philipp Stoessel, Frankfurt am Main, DE;
Jonas Valentin Kroesser, Frankfurt am Main, DE;
Rémi Manouk Anémian, Seoul, KR;
Thomas Eberle, Landau, DE;
Merck Patent GmbH, Darmstadt, DE;
Abstract
The present invention describes carbazole derivatives formula (1), where the following applies to the symbols used: Y is on each occurrence, identically or differently, CR or N; X is selected from C(R1)2, O, S, PR1, P(═O)R1 or BR1; characterized in that at least one group R is present which stands, identically or differently on each occurrence, for a group of the following formula (2), and/or in that at least one group R1 is present which stands for a group of the following formula (3) or (4), in particular for use as triplet matrix materials in organic electroluminescent devices. The invention furthermore relates to a process for the preparation of the compounds according to the invention and to electronic devices comprising same.