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:
Nov. 04, 2025
Filed:
Apr. 21, 2022
Applicant:
Samsung Display Co., Ltd., Yongin-si, KR;
Inventors:
Chanseok Oh, Seoul, KR;
Taeil Kim, Hwaseong-si, 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, Gangwon-do, KR;
Assignee:
SAMSUNG DISPLAY CO., LTD., Yongin-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F 5/02 (2006.01); H10K 50/12 (2023.01); H10K 50/81 (2023.01); H10K 50/82 (2023.01); H10K 85/60 (2023.01);
U.S. Cl.
CPC ...
H10K 85/6572 (2023.02); C07F 5/02 (2013.01); H10K 50/12 (2023.02); H10K 50/81 (2023.02); H10K 50/82 (2023.02);
Abstract
A light emitting device includes a first electrode, a second electrode disposed on the first electrode, and a light emitting layer disposed between the first electrode and the second electrode. The light emitting layer includes a novel polycyclic compound and thus, the light emitting device may exhibit high light emission efficiency properties and improved lifespan properties.