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:
May. 05, 2020
Filed:
Jun. 26, 2015
Applicant:
LT Materials Co., Ltd., Yongin, Gyeonggi-do, KR;
Inventors:
Jung-Hyun Lee, Osan, KR;
Young-Seok No, Osan, KR;
Geon-Yu Park, Osan, KR;
Dong-Jun Kim, Yongin, KR;
Kee-Yong Kim, Suwon, KR;
Jin-Seok Choi, Suwon, KR;
Dae-Hyuk Choi, Yongin, KR;
Sung-Jin Eum, Yongin, KR;
Joo-Dong Lee, Seongnam, KR;
Assignee:
LT MATERIALS CO., LTD., Yongin-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/00 (2006.01); C09K 11/02 (2006.01); C07F 7/08 (2006.01); C07D 519/00 (2006.01); C07D 491/048 (2006.01); C07D 495/04 (2006.01); C07F 9/6561 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0067 (2013.01); C07D 491/048 (2013.01); C07D 495/04 (2013.01); C07D 519/00 (2013.01); C07F 7/0812 (2013.01); C07F 9/6561 (2013.01); C09K 11/025 (2013.01); H01L 51/0052 (2013.01); H01L 51/0054 (2013.01); H01L 51/0058 (2013.01); H01L 51/0061 (2013.01); H01L 51/0071 (2013.01); H01L 51/0072 (2013.01); H01L 51/0073 (2013.01); H01L 51/0074 (2013.01); H01L 51/0094 (2013.01); H01L 51/5012 (2013.01); H01L 51/5056 (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 which may significantly improve the service life, efficiency, electrochemical stability, and thermal stability of an organic light emitting device, and an organic light emitting device in which the hetero-cyclic compound is contained in an organic compound layer.