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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 12787635 B1

PDFFull Text
Date of Patent:
Nov. 03, 2026

Filed:

Jun. 10, 2022

Composition, layer including the composition, light-emitting device including the composition, and electronic apparatus including the light-emitting device

Applicant:

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

Inventors:

Kum Hee Lee, Suwon-si, KR;

Byungjoon Kang, Seoul, KR;

Seungyeon Kwak, Suwon-si, KR;

Myungsun Sim, Suwon-si, KR;

Banglin Lee, Suwon-si, KR;

Sunghun Lee, Hwaseong-si, KR;

Jeoungin Yi, Seoul, KR;

Byoungki Choi, Hwaseong-si, KR;

Assignee:

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

Attorney:

CANTOR COLBURN LLP

Primary Examiner:

Tae H Yoon

Int. Cl.
CPC ...
H01L 51/00 (2006.01); C07F 15/00 (2006.01); C09K 11/06 (2006.01); H10K 85/30 (2023.01); H10K 85/40 (2023.01); H10K 50/11 (2023.01);
U.S. Cl.
CPC ...
H10K 85/342 (2023.02); C07F 15/0033 (2013.01); C09K 11/06 (2013.01); H10K 85/40 (2023.02); C09K 2211/1029 (2013.01); C09K 2211/1048 (2013.01); C09K 2211/185 (2013.01); H10K 50/11 (2023.02);
Abstract

A composition, including a first compound represented by Formula 1 and a second compound represented by Formula 2:Ir(L)(L)(L)  Formula 1Ir(L)(L)(L)  Formula 2wherein L, L, L, L, L, and Lare each i) a bidentate ligand bonded to Ir of Formula 1 or 2 via two nitrogen atoms, ii) a bidentate ligand bonded to Ir of Formula 1 or 2 via a nitrogen atom and a carbon atom, or iii) a bidentate ligand bonded to Ir of Formula 1 or 2 via two carbon atoms, L, L, and Lare different from one another; n11, n12, n21, and n22 are each independently 1 or 2; n13 and n23 are each independently 0 or 1; a sum of n11, n12, and n13 is 3; a sum of n21, n22, and n23 is 3; and Land Lare different from each other.

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Quick Actions:

Lee, Kum. (2026). Composition, layer including the composition, light-emitting device including the composition, and electronic apparatus including the light-emitting device (U.S. Patent No. 12787635). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12787635

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