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. 09, 2020
Filed:
Jun. 14, 2017
Applicant:
Universal Display Corporation, Ewing, NJ (US);
Inventors:
Peter Wolohan, Ewing, NJ (US);
George Fitzgerald, Ewing, NJ (US);
Daniel W. Silverstein, Ewing, NJ (US);
Jerald Feldman, Ewing, NJ (US);
Assignee:
UNIVERSAL DISPLAY CORPORATION, Ewing, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/08 (2006.01); H01L 51/00 (2006.01); H01L 51/50 (2006.01); C09K 11/02 (2006.01); C09K 11/06 (2006.01); C07D 405/10 (2006.01); C07D 311/82 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0073 (2013.01); C07D 311/82 (2013.01); C07D 405/10 (2013.01); C09K 11/02 (2013.01); C09K 11/025 (2013.01); C09K 11/06 (2013.01); H01L 51/0055 (2013.01); H01L 51/0072 (2013.01); H01L 51/0085 (2013.01); H01L 51/5016 (2013.01); C09K 2211/1018 (2013.01); C09K 2211/1044 (2013.01); C09K 2211/185 (2013.01); H01L 51/5072 (2013.01); H01L 51/5088 (2013.01);
Abstract
The present application includes novel containing xanthene and spiro dixanthene ring structures and alkylated variants thereof. These compounds are useful as host materials with high triplet energies for phosphorescent electroluminescent devices.