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:
Nov. 23, 2021
Filed:
Sep. 18, 2018
Nippon Shokubai Co., Ltd., Osaka, JP;
Nippon Hoso Kyokai, Tokyo, JP;
Katsuyuki Morii, Osaka, JP;
Kaho Maeda, Osaka, JP;
Akiko Kuriyama, Osaka, JP;
Hirohiko Fukagawa, Tokyo, JP;
Takahisa Shimizu, Tokyo, JP;
Nippon Shokubai Co., Ltd., Osaka, JP;
Nippon Hoso Kyokai, Tokyo, JP;
Abstract
The present invention provides an organic electroluminescence device having excellent luminous efficiency and excellent luminance. The present invention relates to an organic electroluminescence device including a structure in which a plurality of layers is laminated between an anode and a cathode formed on a substrate; wherein the organic electroluminescence device includes a metal oxide layer between the anode and the cathode; and a nitrogen-containing film layer having an average thickness of not less than 0.1 nm but less than 3 nm adjacent to the metal oxide layer and disposed on an anode side.