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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 12428597 B1

PDFFull Text
Date of Patent:
Sep. 30, 2025

Filed:

Jan. 25, 2022

Light emitting element

Applicant:

Samsung Display Co., Ltd., Yongin-si, KR;

Inventors:

Minjung Jung, Hongcheon-gun, KR;

Taeil Kim, Hwaseong-si, KR;

Sun Young Pak, Suwon-si, KR;

Junha Park, Gwacheon-si, KR;

Jang Yeol Baek, Yongin-si, KR;

Kyoung Sunwoo, Hwaseong-si, KR;

Mun-Ki Sim, Seoul, KR;

Chanseok Oh, Seoul, KR;

Assignee:

Samsung Display Co., Ltd., Yongin-si, KR;

Attorney:

Womble Bond Dickinson (US) LLP

Primary Examiner:

Andrew K Bohaty

Int. Cl.
CPC ...
H01L 51/54 (2006.01); C09K 11/06 (2006.01); H10K 85/30 (2023.01); H10K 85/60 (2023.01); H10K 50/11 (2023.01); H10K 50/15 (2023.01); H10K 59/12 (2023.01); H10K 101/10 (2023.01); H10K 101/20 (2023.01);
U.S. Cl.
CPC ...
C09K 11/06 (2013.01); H10K 85/322 (2023.02); H10K 85/633 (2023.02); H10K 85/636 (2023.02); H10K 85/658 (2023.02); C09K 2211/1018 (2013.01); H10K 50/11 (2023.02); H10K 50/15 (2023.02); H10K 59/12 (2023.02); H10K 85/6572 (2023.02); H10K 2101/10 (2023.02); H10K 2101/20 (2023.02);
Abstract

A light emitting element of one or more embodiments includes a first electrode, a second electrode, and a polycyclic compound represented by Formula 1 below in an emission layer disposed between the first electrode and the second electrode, thereby showing high emission efficiency properties: The polycyclic compound is of a DABNA structure includes one heteroaryl group substituted at a para position to boron, and two bulky substituents substituted at meta positions to the boron.

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