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. 18, 2015
Filed:
Nov. 26, 2013
Idemitsu Kosan Company, Limited, Chiyoda-ku, JP;
Nobuhiro Yabunouchi, Chiba, JP;
Masahiro Kawamura, Chiba, JP;
Hisayuki Kawamura, Chiba, JP;
Chishio Hosokawa, Chiba, JP;
Shigeyuki Matsunami, Tokyo, JP;
Tadahiko Yoshinaga, Tokyo, JP;
Yasunori Kijima, Tokyo, JP;
Idemitsu Kosan Company, Limited, Chiyoda-ku, JP;
Abstract
The present invention provides a novel aromatic amine derivative having a specific structure and an organic electroluminescence device in which an organic thin film layer comprising a single layer or plural layers including at least a light emitting layer is interposed between a cathode and an anode, wherein at least one layer in the above organic thin film layer, particularly a hole injecting layer contains the aromatic amine derivative described above in the form of a single component or a mixed component. Use of the aromatic amine derivative described above materialize an organic electroluminescence device which reduces an operating voltage and makes molecules less liable to be crystallized and which enhances a yield in producing the organic EL device and has a long lifetime.