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:
Jun. 30, 2015
Filed:
Jul. 08, 2011
Nicolle Langer, Heppenheim, DE;
Christian Schildknecht, Mannheim, DE;
Christian Lennartz, Schifferstadt, DE;
Gerhard Wagenblast, Wachenheim, DE;
Thomas Schäfer, Liestal, CH;
Nicolle Langer, Heppenheim, DE;
Christian Schildknecht, Mannheim, DE;
Christian Lennartz, Schifferstadt, DE;
Gerhard Wagenblast, Wachenheim, DE;
Thomas Schäfer, Liestal, CH;
BASF SE, Ludwigshafen, DE;
Abstract
The present invention relates to the use of dibenzofurans and dibenzothiophenes which have at least one nitrogen-bonded five-membered heterocyclic ring as a substituent as host, blocker and/or charge transport material in organic electronics. The present invention further relates to dibenzofurans and dibenzothiophenes which comprise at least one nitrogen-bonded five-membered heterocyclic ring and at least one carbazolyl radical as substituents, to a process for preparation thereof, and to the use of these compounds in organic electronics.