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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 12446460 B1

PDFFull Text
Date of Patent:
Oct. 14, 2025

Filed:

Oct. 01, 2020

Organic light-emitting device and apparatus including the same

Applicant:

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

Inventors:

Seulong Kim, Yongin-si, KR;

Pilgu Kang, Yongin-si, KR;

Jiyoung Kwon, Yongin-si, KR;

Taehyung Kim, Yongin-si, KR;

Hyoyeon Kim, Yongin-si, KR;

Huiju Park, Yongin-si, KR;

Dongkyu Lee, Yongin-si, KR;

Seho Lee, Yongin-si, KR;

Yongdae Lee, Yongin-si, KR;

Changgwi Jin, Yongin-si, KR;

Jungho Choi, Yongin-si, KR;

Assignee:

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

Attorney:

Lerner David LLP

Primary Examiner:

Jay Yang

Int. Cl.
CPC ...
H01L 51/50 (2006.01); C07D 471/04 (2006.01); C09K 11/06 (2006.01); H01L 51/00 (2006.01); H10K 50/13 (2023.01); H10K 85/30 (2023.01); H10K 85/60 (2023.01); H10K 50/11 (2023.01); H10K 50/16 (2023.01); H10K 50/17 (2023.01); H10K 101/30 (2023.01); H10K 101/40 (2023.01);
U.S. Cl.
CPC ...
H10K 85/654 (2023.02); C07D 471/04 (2013.01); C09K 11/06 (2013.01); H10K 50/131 (2023.02); H10K 85/342 (2023.02); H10K 85/615 (2023.02); H10K 85/633 (2023.02); H10K 85/6572 (2023.02); H10K 85/6574 (2023.02); C09K 2211/1018 (2013.01); C09K 2211/1029 (2013.01); C09K 2211/185 (2013.01); H10K 50/11 (2023.02); H10K 50/16 (2023.02); H10K 50/171 (2023.02); H10K 85/622 (2023.02); H10K 2101/30 (2023.02); H10K 2101/40 (2023.02);
Abstract

Provided are an organic light-emitting device and an apparatus including the same. The organic light-emitting device includes a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode. The organic layer includes m emission units; and m-1 charge generation units between two neighboring emission units among the m emission units, wherein m is an integer of 2 or more, and at least one of the m-1 charge generation units includes a heterocyclic compound represented by Formula 1 below: Substituents in Formula 1 may be understood as described in connection with the detailed description.

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