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:
Mar. 18, 2025
Filed:
Nov. 09, 2021
Applicant:
Samsung Display Co., Ltd., Yongin-si, KR;
Inventors:
Hyosup Shin, Yongin-si, KR;
Soobyung Ko, Yongin-si, KR;
Tsuyoshi Naijo, Yongin-si, KR;
Jiyoung Lee, Yongin-si, KR;
Assignee:
SAMSUNG DISPLAY CO., LTD., Yongin-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/50 (2006.01); H10K 85/30 (2023.01); H10K 85/60 (2023.01); H10K 50/11 (2023.01); H10K 50/12 (2023.01); H10K 50/15 (2023.01); H10K 50/16 (2023.01); H10K 101/00 (2023.01); H10K 101/10 (2023.01); H10K 101/40 (2023.01);
U.S. Cl.
CPC ...
H10K 85/322 (2023.02); H10K 85/622 (2023.02); H10K 85/626 (2023.02); H10K 85/633 (2023.02); H10K 85/636 (2023.02); H10K 85/654 (2023.02); H10K 85/6572 (2023.02); H10K 85/6574 (2023.02); H10K 85/6576 (2023.02); H10K 50/11 (2023.02); H10K 50/12 (2023.02); H10K 50/15 (2023.02); H10K 50/16 (2023.02); H10K 2101/10 (2023.02); H10K 2101/40 (2023.02); H10K 2101/90 (2023.02);
Abstract
A light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an interlayer between the first electrode and the second electrode and including an emission layer, wherein the emission layer includes: a first host, a second host, and a dopant, at least one of the first host and the second host is an organometallic compound, and the first host, the second host, and the dopant satisfy the following Equation (1):|LUMO energy of2−HOMO energy of1|≥0.9×energy of