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:
Jul. 09, 2024
Filed:
Mar. 23, 2021
Applicant:
Samsung Display Co., Ltd., Yongin-si, KR;
Inventors:
Eunjae Jeong, Hwaseong-si, KR;
Dongjun Kim, Suwon-si, KR;
Minji Kim, Hwaseong-si, KR;
Sohee Jo, Cheonan-si, KR;
Sanghyun Han, Hwaseong-si, KR;
Assignee:
Samsung Display Co., Ltd., Yongin-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10K 50/15 (2023.01); C09K 11/07 (2006.01); H05B 33/14 (2006.01); H10K 85/60 (2023.01); H10K 50/16 (2023.01); H10K 50/17 (2023.01);
U.S. Cl.
CPC ...
H10K 50/15 (2023.02); C09K 11/07 (2013.01); H05B 33/14 (2013.01); H10K 85/615 (2023.02); H10K 85/633 (2023.02); H10K 85/636 (2023.02); H10K 85/6572 (2023.02); H10K 85/6574 (2023.02); H10K 85/6576 (2023.02); H10K 50/16 (2023.02); H10K 50/171 (2023.02);
Abstract
An organic electroluminescence device (OLED) of an embodiment includes a first electrode, a hole transport region on the first electrode, an emission layer on the hole transport region, and an electron transport region on the emission layer. The hole transport region may include an amine compound represented by Formula 1, and the OLED may thereby exhibit high luminous efficiency: