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:
Mar. 13, 2018
Filed:
Nov. 10, 2014
Applicant:
Semiconductor Energy Laboratory Co., Ltd., Kanagawa-ken, JP;
Inventors:
Hideko Inoue, Kanagawa, JP;
Yui Yamada, Kanagawa, JP;
Tsunenori Suzuki, Kanagawa, JP;
Satoshi Seo, Kanagawa, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/00 (2006.01); F21V 23/04 (2006.01); C09K 11/06 (2006.01); C07D 405/14 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0072 (2013.01); C07D 405/14 (2013.01); C09K 11/06 (2013.01); H01L 51/0067 (2013.01); H01L 51/0073 (2013.01); H01L 51/5072 (2013.01);
Abstract
A novel organic compound is provided. Alternatively, an organic compound that can be used as an electron-transport material of a light-emitting element is provided. An organic compound in which heteroaromatic groups each including two pyridine rings are bonded to the 2- and 8-positions of dibenzofuran is provided. The organic compound is an organic compound that can be used as an electron-transport material of a light-emitting element.