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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.:

US 12029108 B1

PDFFull Text
Date of Patent:
Jul. 02, 2024

Filed:

Apr. 16, 2021

Organic electroluminescent materials and devices

Applicant:

Universal Display Corporation, Ewing, NJ (US);

Inventors:

Bin Ma, Plainsboro, NJ (US);

Walter Yeager, Yardley, PA (US);

Edward Barron, Hamilton, NJ (US);

Alan Deangelis, Pennington, NJ (US);

Chuanjun Xia, Lawrenceville, NJ (US);

Vadim Adamovich, Yardley, PA (US);

Scott Beers, Flemington, NJ (US);

Harvey Wendt, Medford Lakes, NJ (US);

Suman Layek, Lawrenceville, NJ (US);

Assignee:

UNIVERSAL DISPLAY CORPORATION, Ewing, NJ (US);

Attorney:

DUANE MORRIS LLP

Primary Examiner:

Amanda L Aguirre

Int. Cl.
CPC ...
C07F 15/00 (2006.01); C09K 11/06 (2006.01); H10K 50/11 (2023.01); H10K 50/16 (2023.01); H10K 50/18 (2023.01); H10K 85/30 (2023.01); H10K 85/40 (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); H10K 85/40 (2023.02); H10K 85/622 (2023.02); H10K 85/654 (2023.02); H10K 85/6572 (2023.02); H10K 85/6576 (2023.02); C09K 2211/1029 (2013.01); C09K 2211/1033 (2013.01); C09K 2211/185 (2013.01); H10K 50/11 (2023.02); H10K 50/16 (2023.02); H10K 50/18 (2023.02); H10K 2101/10 (2023.02);
Abstract

A compound having the formula Ir(L)(L)is disclosed wherein Lis an aza-DBF ligand and Lis an alkyl-substituted phenylpyridine ligand, wherein the compound has a structure according to Formula I: wherein each of Ato Acomprise carbon or nitrogen; wherein at least one of Ato Ais nitrogen; wherein ring B is bonded to ring A through a C—C bond; wherein the iridium is bonded to ring A through a Ir—C bond; wherein X is O, S, or Se; wherein R' and R″ each independently represent mono-, di-substitution, or no substitution; wherein any adjacent substitutions in R′, R″, R, R, R, R, R, and Rare optionally linked together to form a ring; wherein R, R, R′, and R″ are each independently selected from a variety of substituents; wherein R, R, R, and Rare each independently selected from the group consisting of hydrogen, deuterium, alkyl, cycloalkyl, and combinations thereof; wherein n is an integer from 1 to 3; and wherein total number of carbons in at least one of the pairs Rand R, and Rand Ris at least four.

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