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. 28, 2025
Filed:
Nov. 04, 2021
Applicant:
Samsung Display Co., Ltd., Yongin-si, KR;
Inventors:
Taeil Kim, Hwaseong-si, KR;
Chanseok Oh, Seoul, KR;
Sun Young Pak, Suwon-si, KR;
Junha Park, Gwacheon-si, KR;
Jang Yeol Baek, Yongin-si, KR;
Kyoung Sunwoo, 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 ...
C09K 11/06 (2006.01); H10K 50/11 (2023.01); H10K 85/30 (2023.01); H10K 85/60 (2023.01); H10K 101/10 (2023.01);
U.S. Cl.
CPC ...
C09K 11/06 (2013.01); H10K 85/322 (2023.02); H10K 85/658 (2023.02); C09K 2211/1018 (2013.01); H10K 50/11 (2023.02); H10K 2101/10 (2023.02);
Abstract
A light emitting device includes a first electrode, a second electrode, and an emission layer between the first electrode and the second electrode, and the emission layer may include a condensed cyclic compound represented by Formula 1 below, thereby exhibiting high luminous efficiency and improved service life characteristics.