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:
Apr. 08, 2025
Filed:
Dec. 14, 2022
Applicant:
Universal Display Corporation, Ewing, NJ (US);
Inventors:
Lichang Zeng, Lawrenceville, NJ (US);
Chuanjun Xia, Lawrenceville, NJ (US);
Assignee:
UNIVERSAL DISPLAY CORPORATION, Ewing, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10K 85/60 (2023.01); C07D 403/10 (2006.01); H10K 50/11 (2023.01); H10K 50/16 (2023.01); H10K 85/30 (2023.01); H10K 101/00 (2023.01); H10K 101/10 (2023.01);
U.S. Cl.
CPC ...
H10K 85/654 (2023.02); C07D 403/10 (2013.01); H10K 85/6572 (2023.02); H10K 50/11 (2023.02); H10K 50/16 (2023.02); H10K 85/324 (2023.02); H10K 85/342 (2023.02); H10K 85/622 (2023.02); H10K 85/6576 (2023.02); H10K 2101/10 (2023.02); H10K 2101/90 (2023.02);
Abstract
Novel host compounds consisting of carbazole and nitrile groups are disclosed. These compounds are useful in phosphorescent OLEDs.