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:
Dec. 15, 2020
Filed:
Dec. 15, 2017
Applicant:
Semiconductor Energy Laboratory Co., Ltd., Kanagawa-ken, JP;
Inventors:
Miki Kurihara, Kanagawa, JP;
Hideko Yoshizumi, Kanagawa, JP;
Hiromitsu Kido, Kanagawa, JP;
Tatsuyoshi Takahashi, Kanagawa, JP;
Satoshi Seo, Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/50 (2006.01); H01L 51/00 (2006.01); C07D 491/048 (2006.01); C07D 495/04 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0072 (2013.01); C07D 491/048 (2013.01); C07D 495/04 (2013.01); H01L 51/0052 (2013.01); H01L 51/0054 (2013.01); H01L 51/0071 (2013.01); H01L 51/0073 (2013.01); H01L 51/0074 (2013.01); H01L 51/0085 (2013.01); H01L 51/508 (2013.01); H01L 51/5016 (2013.01);
Abstract
A novel organic compound is provided. Moreover, a light-emitting element with high emission efficiency and a long lifetime is provided. A novel organic compound having a bicarbazole skeleton and a benzofuropyrimidine skeleton or a benzothienopyrimidine skeleton that includes at least one condensed ring or two condensed rings is provided. Moreover, a light-emitting element including the organic compound is provided.