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:
May. 12, 2015
Filed:
Jun. 11, 2010
Christian Schildknecht, Mannheim, DE;
Christian Lennartz, Schifferstadt, DE;
Soichi Watanabe, Mannheim, DE;
Gerhard Wagenblast, Wachenheim, DE;
Peter Murer, Oberwil, CH;
Thomas Schäfer, Liestal, CH;
Natalia Chebotareva, Hagenthal le Bas, FR;
Andrea Ricci, Zürich, CH;
Kristina Bardon, Waldshut, DE;
Christian Schildknecht, Mannheim, DE;
Christian Lennartz, Schifferstadt, DE;
Soichi Watanabe, Mannheim, DE;
Gerhard Wagenblast, Wachenheim, DE;
Peter Murer, Oberwil, CH;
Thomas Schäfer, Liestal, CH;
Natalia Chebotareva, Hagenthal le Bas, FR;
Andrea Ricci, Zürich, CH;
Kristina Bardon, Waldshut, DE;
BASF SE, Ludwigshafen, DE;
Abstract
The present invention relates to electroluminescent devices, comprising a compound of the formula (I) as a component of the transporting/injecting and/or electron blocking layer. The compounds of formula (I) may function alone, or in combination with dopants to provide improved efficiency, driving voltage and/or lifetime of electroluminescent devices.