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. 25, 2024
Filed:
Apr. 26, 2023
Applicant:
Universal Display Corporation, Ewing, NJ (US);
Inventors:
Chun Lin, Yardley, PA (US);
Pierre-Luc T. Boudreault, Pennington, NJ (US);
Bert Alleyne, Newtown, PA (US);
Zhiqiang Ji, Chalfont, PA (US);
Suman Layek, Pennington, NJ (US);
Assignee:
UNIVERSAL DISPLAY CORPORATION, Ewing, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F 15/00 (2006.01); 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 85/322 (2023.02); H10K 85/342 (2023.02); H10K 85/40 (2023.02); H10K 85/654 (2023.02); H10K 85/6572 (2023.02); H10K 85/6576 (2023.02);
Abstract
Provided are transition metal compounds having 5-membered carbocyclic or heterocyclic ring in a unique configuration of fused rings per Formula I The compounds show improved phosphorescent emission in red to near IR region and are useful as emitter materials in organic electroluminescence device.