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:
Apr. 26, 2022
Filed:
Feb. 21, 2018
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Min Woo Jung, Daejeon, KR;
Dong Hoon Lee, Daejeon, KR;
Seong Mi Cho, Daejeon, KR;
Dong Uk Heo, Daejeon, KR;
Mi Yeon Han, Daejeon, KR;
Jung Ha Lee, Daejeon, KR;
Assignee:
LG CHEM, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 213/24 (2006.01); C07D 237/26 (2006.01); C07D 251/24 (2006.01); H01L 51/00 (2006.01); H01L 51/50 (2006.01); C07D 239/26 (2006.01); C07D 401/10 (2006.01); C07D 401/14 (2006.01); C07D 403/10 (2006.01); C07D 405/10 (2006.01); C07D 409/10 (2006.01);
U.S. Cl.
CPC ...
C07D 251/24 (2013.01); C07D 213/24 (2013.01); C07D 239/26 (2013.01); C07D 401/10 (2013.01); C07D 401/14 (2013.01); C07D 403/10 (2013.01); C07D 405/10 (2013.01); C07D 409/10 (2013.01); H01L 51/0054 (2013.01); H01L 51/0058 (2013.01); H01L 51/0072 (2013.01); H01L 51/5072 (2013.01);
Abstract
The present invention relates to a novel cyclic compound represented by Formula 1, and an organic light emitting device comprising an organic material layer including the novel cyclic compound and having improved efficiency, low driving voltage, and enhanced lifetime characteristic: