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:
Mar. 02, 2021
Filed:
Mar. 02, 2018
Applicant:
Udc Ireland Limited, Dublin, IE;
Inventors:
Frederique Wendeborn, Dublin, IE;
Beat Schmidhalter, Dublin, IE;
Thomas Schäfer, Dublin, IE;
Peter Murer, Dublin, IE;
Kristina Bardon, Dublin, IE;
Assignee:
UDC IRELAND LIMITED, Dublin, IE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/50 (2006.01); C07D 235/18 (2006.01); C07D 209/58 (2006.01); C07D 241/42 (2006.01); C07D 263/57 (2006.01); C07D 403/14 (2006.01); C07D 413/14 (2006.01); C07F 9/6506 (2006.01); C07F 9/653 (2006.01);
U.S. Cl.
CPC ...
C07D 235/18 (2013.01); C07D 209/58 (2013.01); C07D 241/42 (2013.01); C07D 263/57 (2013.01); C07D 403/14 (2013.01); C07D 413/14 (2013.01); C07F 9/65068 (2013.01); C07F 9/65324 (2013.01);
Abstract
The present invention relates electroluminescent devices, comprising a compound of the formula especially as host for phosphorescent compounds. The hosts may function with phosphorescent materials to provide improved efficiency, stability, manufacturability, or spectral characteristics of electroluminescent devices.