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:
Oct. 12, 2010
Filed:
Mar. 25, 2005
Tetsuzo Miki, Tsukuba, JP;
Makoto Nagaoka, Tsukuba, JP;
Shuichi Hayashi, Tsukuba, JP;
Yoshio Taniguchi, Ueda, JP;
Musubu Ichikawa, Ueda, JP;
Tetsuzo Miki, Tsukuba, JP;
Makoto Nagaoka, Tsukuba, JP;
Shuichi Hayashi, Tsukuba, JP;
Yoshio Taniguchi, Ueda, JP;
Musubu Ichikawa, Ueda, JP;
Hodogaya Chemical Co., Ltd., Tokyo, JP;
Abstract
The present invention relates to a compound having an oxadiazole ring structure having a substituted pyridyl group connected thereto, represented by the following general formula (1). According to the present invention, it becomes possible to provide an organic compound having excellent characteristic of high stability in a thin film state, and the emission efficiency and durability of conventional organic EL devices can be remarkably improved.