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:
Apr. 11, 2017
Filed:
Jul. 08, 2013
Udc Ireland Limited, Dublin, IE;
Thomas Schaefer, Liestal, CH;
Flavio Luiz Benedito, Ludwigshafen, DE;
Ute Heinemeyer, Neustadt, DE;
Nicolle Langer, Lampertheim, DE;
Heinz Wolleb, Fehren, CH;
Teresa Marina Figueira Duarte, Hong Kong, CN;
Soichi Watanabe, Mannheim, DE;
Christian Lennartz, Schifferstadt, DE;
Gerhard Wagenblast, Wachenheim, DE;
Annemarie Wolleb, Fehren, CH;
Kristina Bardon, Waldshut, DE;
UDC Ireland Limited, Dublin, IE;
Abstract
A compound of the general formula a process for the production of the compound and its use in electronic devices, especially electroluminescent devices. Improved efficiency, stability, manufacturability, or spectral characteristics of electroluminescent devices are provided when the compound of formula I is used as host material for phosphorescent emitters in electroluminescent devices.