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:
Feb. 05, 2019
Filed:
Jul. 01, 2013
Applicant:
Universal Display Corporation, Ewing, NJ (US);
Inventors:
Pierre-Luc T. Boudreault, Pennington, NJ (US);
Alexey Dyatkin, Ambler, PA (US);
David Zenan Li, Princeton, NJ (US);
Scott Joseph, Ewing, NJ (US);
Chuanjun Xia, Lawrenceville, NJ (US);
Hitoshi Yamamoto, Pennington, NJ (US);
Michael S. Weaver, Princeton, NJ (US);
Bert Alleyne, Newtown, PA (US);
James Fiordeliso, Yardley, PA (US);
Assignee:
UNIVERSAL DISPLAY CORPORATION, Ewing, unknown;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 51/50 (2006.01); H01L 51/00 (2006.01); C07F 15/00 (2006.01); C09K 11/06 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0085 (2013.01); C07F 15/0033 (2013.01); C09K 11/06 (2013.01); C09K 2211/1007 (2013.01); C09K 2211/1029 (2013.01); C09K 2211/185 (2013.01); H01L 51/5016 (2013.01);
Abstract
A compound having an ancillary ligand Lhaving the formula: Formula I is disclosed. The ligand Lis coordinated to a metal M having an atomic number greater than 40, and two adjacent substituents are optionally joined to form into a ring. Such compound is suitable for use as emitters in organic light emitting devices.