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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 12593606 B1

PDFFull Text
Date of Patent:
Mar. 31, 2026

Filed:

Jul. 08, 2022

Organic light-emitting device

Applicant:

Samsung Electronics Co., Ltd., Suwon-si, KR;

Inventors:

Jong Soo Kim, Hanam-si, KR;

Eunsuk Kwon, Suwon-si, KR;

Hwang Suk Kim, Suwon-si, KR;

Yeon Sook Chung, Seoul, KR;

Yongsik Jung, Seoul, KR;

Soonok Jeon, Suwon-si, KR;

Hyeongmin Kim, Suwon-si, KR;

Heechoon Ahn, Seoul, KR;

Hyunah Um, Seoul, KR;

Yeseul Lee, Busan, KR;

Hosuk Kang, Suwon-si, KR;

Joonghyuk Kim, Seoul, KR;

Jiwhan Kim, Seoul, KR;

Sungho Nam, Daegu, KR;

Sangho Park, Anyang-si, KR;

Youngmok Son, Hwaseong-si, KR;

Sooghang Ihn, Hwaseong-si, KR;

Hyeonho Choi, Seoul, KR;

Assignee:

SAMSUNG DISPLAY CO., LTD., Gyeonggi-Do, KR;

Attorney:

CANTOR COLBURN 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 85/40 (2023.01); H10K 85/60 (2023.01); H10K 50/11 (2023.01); H10K 101/00 (2023.01);
U.S. Cl.
CPC ...
H10K 85/40 (2023.02); C09K 11/06 (2013.01); H10K 85/346 (2023.02); H10K 85/6572 (2023.02); C09K 2211/1044 (2013.01); C09K 2211/185 (2013.01); H10K 50/11 (2023.02); H10K 2101/90 (2023.02);
Abstract

An organic light-emitting device including: a first electrode and a second electrode each having a surface opposite the other; and an intermediate layer disposed between the first electrode and the second electrode, the intermediate layer including a first compound and a second compound, wherein the first compound includes a first silyl group-containing group and at least two carbazole-derived groups, wherein one carbazole-derived group of the at least two carbazole-derived groups is bonded via a N atom to another carbazole-derived group, the second compound includes a second silyl group-containing group, a triazine group, and a carbazole-derived group, and at least one of the first compound or the second compound has a triplet (T) energy level of 2.81 eV or more.

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