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:
Oct. 06, 2026
Filed:
Nov. 22, 2022
Applicant:
Samsung Display Co., Ltd., Yongin-si, KR;
Inventors:
Kyoung Sunwoo, Hwaseong-si, KR;
Taeil Kim, Hwaseong-si, KR;
Junha Park, Gwacheon-si, KR;
Minjae Sung, Hwaseong-si, KR;
Mun-Ki Sim, Seoul, KR;
Minjung Jung, Hongcheon-gun, KR;
Assignee:
Samsung Display Co., Ltd., Yongin-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10K 85/30 (2023.01); H10K 50/15 (2023.01); H10K 85/60 (2023.01);
U.S. Cl.
CPC ...
H10K 85/322 (2023.02); H10K 50/15 (2023.02); H10K 85/6572 (2023.02); H10K 85/6574 (2023.02); H10K 85/6576 (2023.02);
Abstract
A light emitting device that includes a first electrode, a second electrode facing the first electrode, and an emission layer between the first electrode and the second electrode is provided. The emission layer includes a first compound represented by Formula 1, and at least one of a second compound represented Formula H-1, a third compound represented Formula H-2, or a fourth compound represented Formula D-2, thereby exhibiting improved luminous efficiency characteristics.