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:
Feb. 14, 2023
Filed:
Sep. 04, 2018
Applicant:
Hodogaya Chemical Co., Ltd., Tokyo, JP;
Inventors:
Kazuyuki Suruga, Tokyo, JP;
Takeshi Yamamoto, Tokyo, JP;
Kouki Kase, Tokyo, JP;
Shunji Mochizuki, Tokyo, JP;
Assignee:
HODOGAYA CHEMICAL CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 413/10 (2006.01); C07D 413/04 (2006.01); C07C 211/54 (2006.01); C07C 211/58 (2006.01); C07D 209/82 (2006.01); C07D 263/57 (2006.01); C07D 277/66 (2006.01); C07D 307/91 (2006.01); C07D 333/76 (2006.01); C07D 413/14 (2006.01); C07D 417/04 (2006.01); C07D 417/10 (2006.01); C07D 417/14 (2006.01); H01L 51/00 (2006.01); H01L 51/42 (2006.01);
U.S. Cl.
CPC ...
C07D 413/10 (2013.01); C07C 211/54 (2013.01); C07C 211/58 (2013.01); C07D 209/82 (2013.01); C07D 263/57 (2013.01); C07D 277/66 (2013.01); C07D 307/91 (2013.01); C07D 333/76 (2013.01); C07D 413/04 (2013.01); C07D 413/14 (2013.01); C07D 417/04 (2013.01); C07D 417/10 (2013.01); C07D 417/14 (2013.01); H01L 51/006 (2013.01); H01L 51/0052 (2013.01); H01L 51/0067 (2013.01); H01L 51/0069 (2013.01); H01L 51/0072 (2013.01); H01L 51/0073 (2013.01); H01L 51/0074 (2013.01); H01L 51/4273 (2013.01);
Abstract
An organic EL device is provided, including at least an anode, a hole transport layer, a light-emitting layer, an electron transport layer, and a cathode in this order, wherein the hole transport layer contains an arylamine compound represented by the following formula (1), wherein Arto Arand n1 are defined in the specification, and the electron transport layer contains a compound having a benzoazole ring structure represented by the following formula (2), wherein Ar, Ar, X, Y, Zand Zare defined in the specification.