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. 07, 2023
Filed:
Jun. 23, 2020
Applicant:
LT Materials Co., Ltd., Yongin-Si, KR;
Inventors:
Ji-Un Kim, Yongin, KR;
Yu-Jun Jung, Yongin, KR;
Nam-Jin Lee, Yongin, KR;
Won-Jang Jeong, Yongin, KR;
Jun-Tae Mo, Yongin, KR;
Assignee:
LT MATERIALS CO., LTD., Yongin-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10K 85/60 (2023.01); C07D 307/77 (2006.01); C07D 307/91 (2006.01); H10K 50/15 (2023.01);
U.S. Cl.
CPC ...
H10K 85/633 (2023.02); C07D 307/77 (2013.01); C07D 307/91 (2013.01); H10K 85/636 (2023.02); H10K 50/15 (2023.02); H10K 85/615 (2023.02); H10K 85/6574 (2023.02);
Abstract
The present application provides a hetero-cyclic compound capable of significantly enhancing lifetime, efficiency, electrochemical stability and thermal stability of an organic light emitting device, and an organic light emitting device comprising the hetero-cyclic compound in an organic material layer.