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. 29, 2017
Filed:
Nov. 01, 2013
Applicant:
Idemitsu Kosan Co., Ltd., Chiyoda-ku, JP;
Inventors:
Hirokatsu Ito, Chiba, JP;
Takeshi Ikeda, Chiba, JP;
Assignee:
IDEMITSU KOSAN CO., LTD., Chiyoda-ku, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/50 (2006.01); H01L 51/00 (2006.01);
U.S. Cl.
CPC ...
H01L 51/006 (2013.01); H01L 51/0054 (2013.01); H01L 51/0061 (2013.01); H01L 51/0073 (2013.01); H01L 51/0055 (2013.01); H01L 51/0058 (2013.01); H01L 51/5056 (2013.01);
Abstract
Provided are an amine compound having a benzofluorene structure and further having a dibenzofuran structure and/or a dibenzothiophene structure, and an organic electroluminescent device containing a cathode, an anode and an organic thin film layer intervening between the cathode and anode, the organic thin film layer comprising one layer or plural layers comprising at least an emitting layer, at least one layer of the organic thin film layer comprising the aforementioned amine compound solely or as a component of a mixture.