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:
Jul. 01, 2014
Filed:
Oct. 03, 2011
Yuichi Sawada, Kitakyushu, JP;
Masanori Hotta, Kitakyushu, JP;
Megumi Matsumoto, Kitakyushu, JP;
Nippon Steel & Sumikin Chemical Co., Ltd., Tokyo, JP;
Abstract
Provided are a novel nitrogen-containing aromatic heterocyclic compound and an organic electronic device using the compound. This nitrogen-containing aromatic compound is represented by the general formula (1). Further, the present invention relates to organic electronic devices such as a light-emitting device, a thin-film transistor, and a photovoltaic device each using the nitrogen-containing aromatic compound. (L represents an m+n-valent aromatic hydrocarbon group or aromatic heterocyclic group, or a group arising from a triarylamine or a diaryl sulfone; X represents N-A, O, S, or Se; A represents an alkyl group or the like; R represent hydrogen, an alkyl group, an aromatic group, or the like; and m+n is an integer of 2 to 4.)