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:
Sep. 30, 2025
Filed:
Aug. 03, 2021
Applicant:
Samsung Display Co., Ltd., Yongin-si, KR;
Inventors:
Hyunah Um, Seoul, KR;
Hyeongmin Kim, Suwon-si, KR;
Heechoon Ahn, Seoul, KR;
Yeseul Lee, Busan, KR;
Hyoyoung Lee, Suwon-si, KR;
Yirang Im, Anseong-si, KR;
Seowon Cho, Anyang-si, KR;
Assignee:
Samsung Display Co., Ltd., Yongin-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/50 (2006.01); C07D 213/06 (2006.01); H10K 85/40 (2023.01); H10K 85/60 (2023.01); C07C 15/20 (2006.01); C09K 11/06 (2006.01); H10K 50/11 (2023.01); H10K 71/00 (2023.01);
U.S. Cl.
CPC ...
H10K 85/626 (2023.02); C07D 213/06 (2013.01); H10K 85/40 (2023.02); H10K 85/6572 (2023.02); H10K 85/6574 (2023.02); H10K 85/6576 (2023.02); C07C 15/20 (2013.01); C09K 11/06 (2013.01); H10K 50/11 (2023.02); H10K 71/00 (2023.02);
Abstract
An electroluminescence device of the present disclosure includes a first electrode, a second electrode facing the first electrode, and a plurality of organic layers between the first electrode and the second electrode, wherein at least one organic layer selected from among the plurality of organic layers includes a polycyclic compound represented by Formula 1, thereby showing improved emission efficiency: