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.

Date of Patent:
Feb. 10, 2026

Filed:

Aug. 03, 2022
Applicant:

Universal Display Corporation, Ewing, NJ (US);

Inventors:

Tyler Fleetham, Yardley, PA (US);

Woo-Young So, Richboro, PA (US);

Rasha Hamze, Ewing, NJ (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/54 (2006.01); C07F 5/02 (2006.01); C09K 11/06 (2006.01); H10K 85/60 (2023.01); H10K 50/11 (2023.01); H10K 101/30 (2023.01);
U.S. Cl.
CPC ...
H10K 85/658 (2023.02); C07F 5/027 (2013.01); C09K 11/06 (2013.01); H10K 85/657 (2023.02); C09K 2211/1018 (2013.01); H10K 50/11 (2023.02); H10K 2101/30 (2023.02);
Abstract

Provided are compounds comprising a structure comprising at least five rings which are fused together, and which contain a central nitrogen atom, wherein at least two of the five rings are aromatic and at least one ring is a five-membered ring which is optionally aromatic. Also provided are formulations comprising these compounds. Further provided are organic light emitting devices (OLEDs) and related consumer products that utilize these compounds.


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