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. 23, 2020
Filed:
Dec. 08, 2017
Applicant:
Semiconductor Energy Laboratory Co., Ltd., Kanagawa-ken, JP;
Inventors:
Hideko Inoue, Kanagawa, JP;
Tomoya Yamaguchi, Kanagawa, JP;
Hiromi Seo, Kanagawa, JP;
Satoshi Seo, Kanagawa, JP;
Kunihiko Suzuki, Kanagawa, JP;
Miki Kanamoto, Kanagawa, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 11/06 (2006.01); H01L 51/00 (2006.01); H05B 33/10 (2006.01); C07F 15/00 (2006.01); C09K 11/02 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0085 (2013.01); C07F 15/0033 (2013.01); C09K 11/025 (2013.01); C09K 11/06 (2013.01); H01L 51/006 (2013.01); H01L 51/0074 (2013.01); H05B 33/10 (2013.01); C09K 2211/1007 (2013.01); C09K 2211/1044 (2013.01); C09K 2211/1059 (2013.01); C09K 2211/185 (2013.01); H01L 51/0058 (2013.01); H01L 51/5016 (2013.01);
Abstract
A light-emitting element with a light-emitting substance comprising an organometallic complex. The organometallic complex having a structure represented by General Formula (G0). In the formula, X represents a substituted or unsubstituted six-membered heteroaromatic ring including two or more nitrogen atoms inclusive of a nitrogen atom that is a coordinating atom. Further, Rand R2 each represent an alkyl group having 1 to 6 carbon atoms.