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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.:

US 11895917 B1

PDFFull Text
Date of Patent:
Feb. 06, 2024

Filed:

Jun. 11, 2021

Material for organic electroluminescence device and organic electroluminescence device using the same

Applicant:

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

Inventors:

Tomoki Kato, Sodegaura, JP;

Masaki Numata, Sodegaura, JP;

Kazuki Nishimura, Sodegaura, JP;

Toshihiro Iwakuma, Sodegaura, JP;

Chishio Hosokawa, Sodegaura, JP;

Assignee:

IDEMITSU KOSAN CO., LTD., Tokyo, JP;

Attorney:

Oblon, McClelland, Maier & Neustadt, L.L.P.

Primary Examiner:

Jay Yang

Int. Cl.
CPC ...
H01L 51/00 (2006.01); C07D 487/04 (2006.01); C07D 519/00 (2006.01); C09K 11/06 (2006.01); H05B 33/14 (2006.01); C07D 493/04 (2006.01); C07D 495/04 (2006.01); C09K 11/02 (2006.01); C07D 307/91 (2006.01); H10K 85/60 (2023.01); H10K 85/30 (2023.01); H10K 30/80 (2023.01); H10K 50/11 (2023.01); H10K 50/12 (2023.01); H10K 50/13 (2023.01); H10K 50/14 (2023.01); H10K 50/15 (2023.01); H10K 50/16 (2023.01); H10K 50/81 (2023.01); H10K 50/82 (2023.01); H10K 50/17 (2023.01); H10K 101/10 (2023.01);
U.S. Cl.
CPC ...
H10K 85/6574 (2023.02); C07D 307/91 (2013.01); C07D 487/04 (2013.01); C07D 493/04 (2013.01); C07D 495/04 (2013.01); C07D 519/00 (2013.01); C09K 11/025 (2013.01); C09K 11/06 (2013.01); H05B 33/14 (2013.01); H10K 85/324 (2023.02); H10K 85/342 (2023.02); H10K 85/623 (2023.02); H10K 85/654 (2023.02); H10K 85/6572 (2023.02); H10K 85/6576 (2023.02); C09K 2211/1007 (2013.01); C09K 2211/1029 (2013.01); C09K 2211/1088 (2013.01); C09K 2211/185 (2013.01); H10K 30/865 (2023.02); H10K 50/11 (2023.02); H10K 50/12 (2023.02); H10K 50/13 (2023.02); H10K 50/14 (2023.02); H10K 50/15 (2023.02); H10K 50/16 (2023.02); H10K 50/171 (2023.02); H10K 50/81 (2023.02); H10K 50/82 (2023.02); H10K 2101/10 (2023.02);
Abstract

Provided are an organic electroluminescence device, which shows high luminous efficiency, is free of any pixel defect, and has a long lifetime, and a material for an organic electroluminescence device for realizing the device. The material for an organic electroluminescence device is a compound having a π-conjugated heteroacene skeleton crosslinked with a carbon atom, nitrogen atom, oxygen atom, or sulfur atom. The organic electroluminescence device has one or more organic thin film layers including a light emitting layer between a cathode and an anode, and at least one layer of the organic thin film layers contains the material for an organic electroluminescence device.

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