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:
Aug. 21, 2012
Filed:
Sep. 12, 2006
Tetsuzo Miki, Minato-ku, JP;
Norimasa Yokoyama, Tsukuba, JP;
Shuichi Hayashi, Tsukuba, JP;
Shigeru Kusano, Tsukuba, JP;
Yoshio Taniguchi, Ueda, JP;
Musubu Ichikawa, Ueda, JP;
Tetsuzo Miki, Minato-ku, JP;
Norimasa Yokoyama, Tsukuba, JP;
Shuichi Hayashi, Tsukuba, JP;
Shigeru Kusano, Tsukuba, JP;
Yoshio Taniguchi, Ueda, JP;
Musubu Ichikawa, Ueda, JP;
Hodogaya Chemical Co., Ltd., Tokyo, JP;
Shinshu University, Matsumoto-shi, JP;
Abstract
An object of the invention is to provide an organic compound having excellent characteristics as a material for highly efficient and highly durable organic EL devices, and also to provide a highly efficient and highly durable organic EL device. This invention relates to a compound represented by the general formula (1) having an oxadiazole ring structure bonded with an aromatic heterocycle, and to an organic electroluminescence device containing the compound: wherein Ar represents a substituted or unsubstituted aromatic hydrocarbon group, a substituted or unsubstituted aromatic heterocyclic group, or a substituted or unsubstituted condensed polycyclic aromatic group; A represents a substituted or unsubstituted aromatic heterocyclic group; and n represents an integer of 1 to 3.