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:
Jan. 16, 2018
Filed:
Feb. 20, 2014
Applicant:
Hodogaya Chemical Co., Ltd., Tokyo, JP;
Inventors:
Makoto Nagaoka, Tokyo, JP;
Shigetaka Numazawa, Tokyo, JP;
Mari Toriya, Tokyo, JP;
Shingo Ozawa, Tokyo, JP;
Shigeru Kusano, Tokyo, JP;
Assignee:
HODOGAYA CHEMICAL CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/00 (2006.01); C07D 401/04 (2006.01); C07D 401/10 (2006.01); C07D 409/14 (2006.01); C09K 11/06 (2006.01); C07D 401/14 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0072 (2013.01); C07D 401/04 (2013.01); C07D 401/10 (2013.01); C07D 401/14 (2013.01); C07D 409/14 (2013.01); C09K 11/06 (2013.01); H01L 51/0052 (2013.01); H01L 51/0067 (2013.01); H01L 51/0074 (2013.01); C09K 2211/1007 (2013.01); C09K 2211/1011 (2013.01); C09K 2211/1029 (2013.01); C09K 2211/1059 (2013.01); C09K 2211/1092 (2013.01); H01L 51/0058 (2013.01); H01L 51/5012 (2013.01); H01L 51/5072 (2013.01); H01L 51/5092 (2013.01); H01L 51/5096 (2013.01);
Abstract
Naphthotriazole derivatives represented by the following general formula (1), wherein, Aris an aromatic hydrocarbon group or an aromatic heterocyclic group, and A is a group that contains an aromatic heterocyclic group. The compound features excellent electron injection/transporting capability, a high hole-blocking power and a high stability in the form of a thin film, and can be used as a material for producing highly efficient and highly durable organic electroluminescent devices.