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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 12577202 B1

PDFFull Text
Date of Patent:
Mar. 17, 2026

Filed:

Jul. 14, 2022

Organic electroluminescent materials and devices

Applicant:

Universal Display Corporation, Ewing, NJ (US);

Inventors:

Tyler Fleetham, Yardley, PA (US);

Eric A. Margulies, Philadelphia, PA (US);

Bin MA, Plainsboro, NJ (US);

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

Bert Alleyne, Newtown, PA (US);

Ting-Chih Wang, Lawrenceville, NJ (US);

Assignee:

UNIVERSAL DISPLAY CORPORATION, Ewing, NJ (US);

Attorney:

DUANE MORRIS LLP

Primary Examiner:

Gregory D Clark

Int. Cl.
CPC ...
H01L 51/50 (2006.01); C07D 209/86 (2006.01); H10K 50/11 (2023.01); H10K 85/30 (2023.01); H10K 85/40 (2023.01); H10K 85/60 (2023.01); H10K 101/40 (2023.01);
U.S. Cl.
CPC ...
C07D 209/86 (2013.01); H10K 50/11 (2023.02); H10K 85/342 (2023.02); H10K 85/346 (2023.02); H10K 85/361 (2023.02); H10K 85/40 (2023.02); H10K 85/615 (2023.02); H10K 85/622 (2023.02); H10K 85/624 (2023.02); H10K 85/652 (2023.02); H10K 85/654 (2023.02); H10K 85/657 (2023.02); H10K 85/6572 (2023.02); H10K 85/6574 (2023.02); H10K 85/6576 (2023.02); H10K 85/658 (2023.02); C07B 2200/05 (2013.01); H10K 2101/40 (2023.02);
Abstract

The present disclosure provides for an organic electroluminescent device (OLED) including an anode; a cathode; and an emissive layer, disposed between the anode and the cathode. The emissive layer includes a phosphorescent dopant, a first host, and a second host, wherein the first host transports holes, the second host transports electrons, and the first host is fully or partially deuterated. Consumer products that include the OLED are also provided.

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