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.:
Date of Patent:
Dec. 02, 2025
Filed:
Feb. 22, 2022
Samsung Electronics Co., Ltd., Suwon-si, KR;
Ewha University—industry Collaboration Foundation, Seoul, KR;
Yongsik Jung, Seoul, KR;
Youngmin You, Seoul, KR;
Seunga Heo, Seoul, KR;
Joonghyuk Kim, Seoul, KR;
Hyeonho Choi, Seoul, KR;
Inkoo Kim, Suwon-si, KR;
Hyejin Bae, Suwon-si, KR;
SAMSUNG ELECTRONICS CO., LTD., Gyeonggi-Do, KR;
EWHA UNIVERSITY—INDUSTRY COLLABORATION FOUNDATION, Seoul, KR;
Abstract
An organic light-emitting device, comprising: a first electrode; a second electrode; and an organic layer located between the first electrode and the second electrode, wherein the organic layer comprises an emission layer, wherein the emission layer comprises a host, a sensitizer, and an emitter, wherein the host, the sensitizer, and the emitter are different from each other, and wherein the sensitizer is represented by Formula 1:M(L)(L) Formula 1wherein, in Formula 1, Mis Au, Ag, or Cu, Lis a ligand represented by Formula 2-1 or Formula 2-2, and Lis a ligand represented by one of Formulae 3-1, 3-2, or 3-3: wherein A, A, A, X, Rto R, Rto R, b23, and b33 are as defined herein, and * indicates a binding site to Min Formula 1.