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:
Feb. 19, 2013
Filed:
Jan. 30, 2009
Applicants:
Norimasa Yokoyama, Tsukuba, JP;
Shuichi Hayashi, Tsukuba, JP;
Sawa Izumi, Tsukuba, JP;
Shigeru Kusano, Tsukuba, JP;
Inventors:
Norimasa Yokoyama, Tsukuba, JP;
Shuichi Hayashi, Tsukuba, JP;
Sawa Izumi, Tsukuba, JP;
Shigeru Kusano, Tsukuba, JP;
Assignee:
Hodogaya Chemical Co., Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided is a compound having a substituted pyridyl group and a pyridoindole ring structure linked through a phenylene group, having formula (1), and an organic EL device with a pair of electrodes and at least one organic layer interposed between the electrodes, wherein the at least one organic layer having the compound: