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:
Nov. 04, 2025
Filed:
Aug. 09, 2021
Applicant:
Universal Display Corporation, Ewing, NJ (US);
Inventors:
Chuanjun Xia, Lawrenceville, NJ (US);
Lichang Zeng, Lawrenceville, NJ (US);
Walter Yeager, Yardley, PA (US);
Zhiqiang Ji, Hillsborough, NJ (US);
Assignee:
UNIVERSAL DISPLAY CORPORATION, Ewing, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 495/04 (2006.01); C09K 11/02 (2006.01); C09K 11/06 (2006.01); H10K 50/11 (2023.01); H10K 50/15 (2023.01); H10K 50/16 (2023.01); H10K 50/18 (2023.01); H10K 85/30 (2023.01); H10K 85/60 (2023.01); H10K 101/10 (2023.01);
U.S. Cl.
CPC ...
C07D 495/04 (2013.01); C09K 11/025 (2013.01); C09K 11/06 (2013.01); H10K 85/342 (2023.02); H10K 85/657 (2023.02); H10K 85/6572 (2023.02); C09K 2211/185 (2013.01); H10K 50/11 (2023.02); H10K 50/15 (2023.02); H10K 50/16 (2023.02); H10K 50/18 (2023.02); H10K 2101/10 (2023.02);
Abstract
Novel compounds that contain azadibenzofuran, azadibenzothiophene, and azadibenzoselenophene with fused rings that can be used as a host material in phosphorescent OLEDs are disclosed.