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
Hodogaya Chemical Co., Ltd., Tokyo, JP;
Kazuyuki Suruga, Tokyo, JP;
Takeshi Yamamoto, Tokyo, JP;
Kouki Kase, Tokyo, JP;
Shunji Mochizuki, Tokyo, JP;
HODOGAYA CHEMICAL CO., LTD., Tokyo, JP;
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.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile