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.

Date of Patent:
Aug. 06, 2024

Filed:

Feb. 20, 2019
Applicant:

Idemitsu Kosan Co., Ltd., Tokyo, JP;

Inventors:

Tetsuya Masuda, Sodegaura, JP;

Yuki Nakano, Sodegaura, JP;

Takushi Shiomi, Sodegaura, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10K 85/60 (2023.01); C09K 11/06 (2006.01); H10K 50/16 (2023.01); H10K 101/00 (2023.01);
U.S. Cl.
CPC ...
H10K 85/654 (2023.02); C09K 11/06 (2013.01); H10K 85/6574 (2023.02); C09K 2211/1007 (2013.01); C09K 2211/1011 (2013.01); C09K 2211/1018 (2013.01); H10K 50/166 (2023.02); H10K 2101/27 (2023.02);
Abstract

An organic electroluminescence device, comprising: an anode, an emitting layer, a first electron-transporting layer, a second electron-transporting layer and a cathode in this order, wherein the second electron-transporting layer comprises a compound represented by the following formula (1), and the emitting layer comprises a compound represented by the following formula (10).


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