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. 04, 2023
Filed:
Dec. 20, 2019
Applicant:
Lg Display Co., Ltd., Seoul, KR;
Inventors:
Heejun Park, Paju-si, KR;
Seonkeun Yoo, Gunpo-si, KR;
Soyoung Jang, Seoul, KR;
Jicheol Shin, Seoul, KR;
Sangbeom Kim, Paju-si, KR;
Sunghoon Kim, Seoul, KR;
Tae Wan Lee, Seoul, KR;
Seong-Min Park, Seoul, KR;
Assignee:
LG DISPLAY CO., LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/50 (2006.01); H10K 85/60 (2023.01); C07D 333/76 (2006.01); C07D 409/04 (2006.01); C07D 307/77 (2006.01); H10K 50/18 (2023.01); H10K 50/15 (2023.01); H10K 50/844 (2023.01); H10K 59/123 (2023.01);
U.S. Cl.
CPC ...
H10K 85/636 (2023.02); C07D 307/77 (2013.01); C07D 333/76 (2013.01); C07D 409/04 (2013.01); H10K 85/633 (2023.02); H10K 50/156 (2023.02); H10K 50/18 (2023.02); H10K 50/844 (2023.02); H10K 59/123 (2023.02); H10K 85/615 (2023.02); H10K 85/6574 (2023.02); H10K 85/6576 (2023.02);
Abstract
The present disclosure provides a novel compound and an organic light-emitting device comprising the same. When the novel compound is applied as a hole transport material to an organic light emitting device, the novel compound allows the device to have improved drive voltage, efficiency and lifespan characteristics.