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:
Feb. 01, 2022
Filed:
Jul. 06, 2017
Applicant:
LT Materials Co., Ltd., Yongin, KR;
Inventors:
Gi-Back Lee, Osan-si, KR;
Han-Kook Oh, Osan-si, KR;
Yong-Geun Jung, Seoul, KR;
Jun-Tae Mo, Osan-si, KR;
Won-Jang Jeong, Hwaseong-si, KR;
Jin-Seok Choi, Suwon-si, KR;
Dae-Hyuk Choi, Yongin-si, KR;
Joo-Dong Lee, Seongnam-si, KR;
Assignee:
LT MATERIALS CO., LTD., Yongin-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 221/06 (2006.01); H01L 51/00 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0067 (2013.01); C07D 221/06 (2013.01); H01L 51/0052 (2013.01); H01L 51/0072 (2013.01); H01L 51/0073 (2013.01); H01L 51/0074 (2013.01); H01L 51/5072 (2013.01); H01L 51/5092 (2013.01); H01L 51/5096 (2013.01);
Abstract
The present application provides a hetero-cyclic compound capable of significantly enhancing lifespan, efficiency, electrochemical stability and thermal stability of an organic light emitting device, and an organic light emitting device containing the hetero-cyclic compound in an organic compound layer.