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. 29, 2025
Filed:
Apr. 14, 2021
Applicant:
Universal Display Corporation, Ewing, NJ (US);
Inventors:
Suman Layek, Pennington, NJ (US);
Hsiao-Fan Chen, Lawrence Township, NJ (US);
Tyler Fleetham, Newtown, PA (US);
Assignee:
UNIVERSAL DISPLAY CORPORATION, Ewing, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 487/00 (2005.12); C07D 255/04 (2005.12); C07D 487/04 (2005.12); C07D 487/14 (2005.12); C07D 487/22 (2005.12); C07F 5/02 (2005.12); C07F 7/08 (2005.12); H10K 85/10 (2022.12); H10K 85/40 (2022.12); H10K 85/60 (2022.12); H10K 50/12 (2022.12);
U.S. Cl.
CPC ...
C07D 255/04 (2012.12); C07D 487/00 (2012.12); C07D 487/04 (2012.12); C07D 487/14 (2012.12); C07D 487/22 (2012.12); C07F 5/027 (2012.12); C07F 7/0803 (2012.12); H10K 85/10 (2023.01); H10K 85/40 (2023.01); H10K 85/6572 (2023.01); H10K 50/121 (2023.01);
Abstract
Provided are carbazole-based host compounds containing a 9-membered ring represented by Formula I where the variables are defined herein. Also provided are formulations comprising these carbazole-based hosts compounds. Further provided are OLEDs and related consumer products that utilize these carbazole-based hosts compounds.