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. 16, 2015
Filed:
Feb. 26, 2013
Applicant:
Semiconductor Energy Laboratory Co., Ltd., Kanagawa-ken, JP;
Inventors:
Masato Suzuki, Kanagawa, JP;
Harue Osaka, Kanagawa, JP;
Satoko Shitagaki, Kanagawa, JP;
Nobuharu Ohsawa, Tochigi, JP;
Takao Hamada, Kanagawa, JP;
Toshiki Hamada, Kanagawa, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/00 (2006.01); C07D 239/26 (2006.01); C07D 213/06 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0067 (2013.01); H01L 51/0058 (2013.01); H01L 51/0085 (2013.01); H01L 51/5016 (2013.01); C07D 239/26 (2013.01); C07D 213/06 (2013.01);
Abstract
One embodiment of the present invention is a fluorene compound. Specifically, one embodiment of the present invention is a fluorene compound in which two 9-phenylfluoren-9-yl groups are each bonded to any of a pyridine skeleton and a pyrimidine skeleton through an arylene group, and in which the arylene group is any of one to three phenylene groups.