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:
Aug. 06, 2024
Filed:
May. 22, 2020
Applicant:
Samsung Display Co., Ltd., Yongin-si, KR;
Inventors:
Hirokazu Kuwabara, Yokohama, JP;
Ryuhei Furue, Yokohama, JP;
Assignee:
Samsung Display Co., Ltd., Yongin-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10K 85/30 (2023.01); C07F 5/02 (2006.01); C07F 9/6561 (2006.01); C09K 11/06 (2006.01); H10K 50/11 (2023.01); H10K 50/12 (2023.01); H10K 85/60 (2023.01);
U.S. Cl.
CPC ...
H10K 85/322 (2023.02); C07F 5/027 (2013.01); C07F 9/6561 (2013.01); C09K 11/06 (2013.01); H10K 50/12 (2023.02); H10K 85/633 (2023.02); H10K 85/656 (2023.02); H10K 50/11 (2023.02);
Abstract
An organic electroluminescence device of an embodiment includes a first electrode, a second electrode, and an emission layer between the first electrode and the second electrode, wherein the emission layer includes a polycyclic compound represented by Formula 1 below, and shows high emission efficiency: