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:
Apr. 30, 2024
Filed:
Jan. 10, 2019
Applicant:
Hodogaya Chemical Co., Ltd., Tokyo, JP;
Inventors:
Kouki Kase, Tokyo, JP;
Takeshi Yamamoto, Tokyo, JP;
Shunji Mochizuki, Tokyo, JP;
Shuichi Hayashi, Tokyo, JP;
Assignee:
HODOGAYA CHEMICAL CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10K 85/60 (2023.01); H10K 50/15 (2023.01); H10K 50/16 (2023.01); H10K 50/17 (2023.01);
U.S. Cl.
CPC ...
H10K 85/654 (2023.02); H10K 85/631 (2023.02); H10K 50/15 (2023.02); H10K 50/16 (2023.02); H10K 50/171 (2023.02);
Abstract
The present invention relates to an organic EL device having at least an anodic electrode, a hole transport layer, a light emitting layer, an electron transport layer, a cathodic electrode, and a capping layer in this order, in which the capping layer contains an amine compound having a benzazole ring structure represented by the following general formula (A-1).