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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 12543493 B1

PDFFull Text
Date of Patent:
Feb. 03, 2026

Filed:

Mar. 08, 2022

Organic light-emitting device

Applicant:

Sfc Co., Ltd., Chungcheongbuk-do, KR;

Inventors:

Kyeong-Hyeon Kim, Chungcheongbuk-do, KR;

Se-Jin Lee, Chungcheongbuk-do, KR;

Si-In Kim, Chungcheongbuk-do, KR;

Seok-Bae Park, Chungcheongbuk-do, KR;

Hee-Dae Kim, Chungcheongbuk-do, KR;

Yeong-Tae Choi, Chungcheongbuk-do, KR;

Seung-Soo Lee, Chungcheongbuk-do, KR;

Ji-Yung Kim, Chungcheongbuk-do, KR;

Kyung-Tae Kim, Chungcheongbuk-do, KR;

Myeong-Jun Kim, Chungcheongbuk-do, KR;

Tae-Gyun Lee, Chungcheongbuk-do, KR;

Joon-Ho Kim, Chungcheongbuk-do, KR;

Assignee:

SFC CO., LTD., Chungcheongbuk-do, KR;

Attorney:

Harness, Dickey & Pierce, P.L.C.

Primary Examiner:

Victor A Mandala

Int. Cl.
CPC ...
H10K 85/60 (2023.01); C07D 307/79 (2006.01); C07D 307/91 (2006.01); C07D 333/54 (2006.01); C07D 409/04 (2006.01); C07F 5/02 (2006.01); C09K 11/06 (2006.01); H10K 50/12 (2023.01);
U.S. Cl.
CPC ...
H10K 85/615 (2023.02); C07D 307/79 (2013.01); C07D 307/91 (2013.01); C07D 333/54 (2013.01); C07D 409/04 (2013.01); C07F 5/027 (2013.01); C09K 11/06 (2013.01); H10K 85/626 (2023.02); H10K 85/6574 (2023.02); H10K 85/6576 (2023.02); H10K 85/658 (2023.02); C09K 2211/1018 (2013.01); H10K 50/12 (2023.02);
Abstract

The present invention relates to an organic light-emitting device employing, as a host of a light emission layer, an anthracene derivative compound having a characteristic structure by introduction of a benzofuran structure into the anthracene backbone, and as a dopant of the light emission layer, a polycyclic compound having a characteristic structure. The organic light-emitting device according to the present invention is an organic light-emitting device with significantly improved external quantum efficiency and can be advantageously utilized not only for lighting devices but also for various display devices, such as flat, flexible, and wearable displays.

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