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:
Jan. 17, 2023
Filed:
Nov. 07, 2017
Applicant:
Universal Display Corporation, Ewing, NJ (US);
Inventors:
Lichang Zeng, Lawrenceville, NJ (US);
Zhiqiang Ji, Hillsborough, NJ (US);
Mingjuan Su, Ewing, NJ (US);
Edward Barron, Hamilton, NJ (US);
Chun Lin, Yardley, PA (US);
Assignee:
UNIVERSAL DISPLAY CORPORATION, Ewing, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 51/50 (2006.01); H01L 51/00 (2006.01); C09K 11/06 (2006.01); C07F 15/00 (2006.01);
U.S. Cl.
CPC ...
C07F 15/0086 (2013.01); C07F 15/0033 (2013.01); C09K 11/06 (2013.01); H01L 51/0085 (2013.01); H01L 51/0087 (2013.01); H01L 51/5012 (2013.01); C09K 2211/185 (2013.01); H01L 51/5016 (2013.01);
Abstract
Metal complexes with cyclic ligands having Formula (I), are disclosed. Ligands with cyclic structure are believed to be beneficial to the rigidity and stability of the metal complexes, which is desirable for improving OLED device performance.