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:
Jan. 06, 2026
Filed:
Jun. 27, 2018
Applicant:
Samsung Display Co., Ltd., Yongin-si, KR;
Inventor:
Nobutaka Akashi, Yokohama, JP;
Assignee:
Samsung Display Co., Ltd., Yongin-si, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H10K 85/60 (2023.01); C07D 471/04 (2006.01); C07D 471/14 (2006.01); C07D 519/00 (2006.01); C07F 9/6584 (2006.01); C09K 11/06 (2006.01); H10K 50/11 (2023.01); H10K 50/17 (2023.01); H10K 85/40 (2023.01); H10K 50/16 (2023.01); H10K 101/10 (2023.01);
U.S. Cl.
CPC ...
H10K 85/6572 (2023.02); C07D 471/04 (2013.01); C07D 471/14 (2013.01); C07D 519/00 (2013.01); C07F 9/6584 (2013.01); C09K 11/06 (2013.01); H10K 50/171 (2023.02); H10K 50/11 (2023.02); H10K 50/166 (2023.02); H10K 85/40 (2023.02); H10K 2101/10 (2023.02);
Abstract
A nitrogen-containing compound represented by Formula 1 below may be included in a light emitting layer of an organic electroluminescence device. The resulting organic electroluminescence device may exhibit improved light emitting efficiency and may emit deep blue light: wherein, Xto Xare each independently CR, CRor N, at least one of Xto Xis N, at least one of Xto Xis CR, and Ris represented by Formula 2 below:
Akashi, Nobutaka. (2026). Nitrogen-containing compound and organic electroluminescence device including the same (U.S. Patent No. 12520722). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12520722
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile