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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 12349589 B1

PDFFull Text
Date of Patent:
Jul. 01, 2025

Filed:

Nov. 17, 2021

Organic electroluminescent materials and devices

Applicant:

Universal Display Corporation, Ewing, NJ (US);

Inventors:

Morgan C. Macinnis, Yardley, PA (US);

Hsiao-Fan Chen, Lawrence Township, NJ (US);

Tyler Fleetham, Newtown, PA (US);

Peter Wolohan, Princeton Junction, NJ (US);

Jerald Feldman, Cherry Hill, NJ (US);

Jui-Yi Tsai, Newtown, PA (US);

Pierre-Luc T. Boudreault, Pennington, NJ (US);

Alexey Borisovich Dyatkin, Ambler, PA (US);

Zhiqiang Ji, Chalfont, PA (US);

Sean Michael Ryno, Yardley, PA (US);

Rasha Hamze, Philadelphia, PA (US);

Chun Lin, Yardley, PA (US);

Elena Sheina, Langhorne, PA (US);

Assignee:

UNIVERSAL DISPLAY CORPORATION, Ewing, NJ (US);

Attorney:

DUANE MORRIS LLP

Primary Examiner:

Sean M DeGuire

Int. Cl.
CPC ...
H10K 85/30 (2023.01); C07F 15/00 (2006.01); C09K 11/02 (2006.01); C09K 11/06 (2006.01); H10K 50/11 (2023.01); H10K 101/10 (2023.01);
U.S. Cl.
CPC ...
H10K 85/346 (2023.02); C07F 15/0033 (2013.01); C07F 15/0086 (2013.01); C09K 11/02 (2013.01); C09K 11/06 (2013.01); H10K 85/342 (2023.02); C07B 2200/05 (2013.01); C09K 2211/1007 (2013.01); C09K 2211/1014 (2013.01); C09K 2211/1022 (2013.01); C09K 2211/1029 (2013.01); C09K 2211/104 (2013.01); C09K 2211/1044 (2013.01); C09K 2211/1096 (2013.01); C09K 2211/185 (2013.01); H10K 50/11 (2023.02); H10K 2101/10 (2023.02);
Abstract

A compound comprising a ligand Lcomprising a moiety L having a structure of Formula I is provided. In Formula I, Lcoordinated to a metal M; Ais selected from B, N, P, P═O, P═S, Al, Ga, SiR″, GeR″, and SnR″; where rings A, B, and C are 5- or 6-membered rings; Y, Y, and Yare selected from direct bonds, the metal M, and a variety of linkers; a+b+c=2 or 3; and one of a number of specific conditions is met. OLED devices, consumer products, and formulations including the compound are also provided.

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