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:
Jun. 02, 2026
Filed:
Oct. 09, 2020
Applicant:
Idemitsu Kosan Co., Ltd., Chiyoda-ku, JP;
Inventors:
Yusuke Takahashi, Sodegaura, JP;
Tasuku Haketa, Sodegaura, JP;
Shota Tanaka, Sodegaura, JP;
Hirokatsu Ito, Sodegaura, JP;
Yu Kudo, Sodegaura, JP;
Assignee:
IDEMITSU KOSAN CO., LTD., Chiyoda-ku, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07C 211/54 (2006.01); C07D 307/91 (2006.01); C07D 333/76 (2006.01); C07D 409/12 (2006.01); H10K 50/11 (2023.01); H10K 50/15 (2023.01); H10K 85/60 (2023.01);
U.S. Cl.
CPC ...
C07C 211/54 (2013.01); C07D 307/91 (2013.01); C07D 333/76 (2013.01); C07D 409/12 (2013.01); H10K 50/11 (2023.02); H10K 50/15 (2023.02); H10K 85/615 (2023.02); H10K 85/622 (2023.02); H10K 85/626 (2023.02); H10K 85/631 (2023.02); H10K 85/633 (2023.02); H10K 85/636 (2023.02); H10K 85/6574 (2023.02); H10K 85/6576 (2023.02); C07B 2200/05 (2013.01);
Abstract
A compound may improve the capability of an organic EL device, and an organic electroluminescent device including such compound may have improved capability and may be included in electronic devices. Such compounds may be of formula (1A) or formula (1B) (wherein the symbols are as defined in the description) organic electroluminescent device(s) may contain such compound(s), and electronic device(s) may include such organic electroluminescent device(s).