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:
Oct. 07, 2025
Filed:
Oct. 06, 2021
Applicant:
Universal Display Corporation, Ewing, NJ (US);
Inventors:
Bin Ma, Plainsboro, NJ (US);
Alan Deangelis, Pennington, NJ (US);
Chuanjun Xia, Lawrenceville, NJ (US);
Bert Alleyne, Newtown, PA (US);
Assignee:
UNIVERSAL DISPLAY CORPRATION, Ewing, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10K 85/30 (2023.01); C07F 15/00 (2006.01); C09K 11/06 (2006.01); H05B 33/14 (2006.01); H10K 50/11 (2023.01); H10K 85/60 (2023.01); H10K 101/10 (2023.01);
U.S. Cl.
CPC ...
H10K 85/342 (2023.02); C07F 15/0033 (2013.01); C09K 11/06 (2013.01); H05B 33/14 (2013.01); C09K 2211/1007 (2013.01); C09K 2211/1011 (2013.01); C09K 2211/1029 (2013.01); C09K 2211/185 (2013.01); H10K 50/11 (2023.02); H10K 85/622 (2023.02); H10K 85/6576 (2023.02); H10K 2101/10 (2023.02);
Abstract
A compound comprising a heteroleptic iridium complex having a structure of Formula II, is provided. In Formula II, each of R, R, R, R, R, and R, is independently selected from the group consisting of hydrogen, deuterium, cycloalkyl, deuterated cycloalkyl, alkyl, and deuterated alkyl; at least one of R, R, R, R, R, and Ris not hydrogen or deuterium; and each R and R' is independently selected from a variety of substitutions. OLEDs and formulations containing the compound of Formula II are also provided.