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:
Dec. 02, 2025
Filed:
Sep. 17, 2020
Applicant:
Universal Display Corporation, Ewing, NJ (US);
Inventors:
Pierre-Luc T. Boudreault, Pennington, NJ (US);
Suman Layek, Pennington, NJ (US);
Bert Alleyne, Newtown, PA (US);
Assignee:
UNIVERSAL DISPLAY CORPORATION, Ewing, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F 15/00 (2006.01); H10K 50/12 (2023.01); H10K 50/16 (2023.01); H10K 85/30 (2023.01); H10K 85/40 (2023.01); H10K 85/60 (2023.01);
U.S. Cl.
CPC ...
C07F 15/0033 (2013.01); H10K 85/342 (2023.02); H10K 85/346 (2023.02); H10K 85/40 (2023.02); H10K 85/654 (2023.02); H10K 85/6572 (2023.02); H10K 85/6574 (2023.02); H10K 85/6576 (2023.02); H10K 50/12 (2023.02); H10K 50/16 (2023.02);
Abstract
Provided is a compound comprising a ligand Lhaving where ring A is a 5-membered or 6-membered carbocyclic or heterocyclic ring; one of X-Xis C if linked to ring A; one of X-Xis N if adjacent to the linking C and coordinates to a metal M to form a five-membered chelate ring as indicated by the two dashed lines.