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:
Oct. 19, 2021
Filed:
May. 29, 2018
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Dong Uk Heo, Daejeon, KR;
Dong Hoon Lee, Daejeon, KR;
Jungoh Huh, Daejeon, KR;
Boonjae Jang, Daejeon, KR;
Yongbum Cha, Daejeon, KR;
Miyeon Han, Daejeon, KR;
Junghoon Yang, Daejeon, KR;
Heekyung Yun, Daejeon, KR;
Assignee:
LG CHEM, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/00 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0072 (2013.01); H01L 51/0054 (2013.01); H01L 51/0061 (2013.01); H01L 51/0069 (2013.01); H01L 51/0073 (2013.01); H01L 51/0077 (2013.01); H01L 51/5072 (2013.01); H01L 2251/552 (2013.01);
Abstract
Provided is an organic light emitting device including an anode; a cathode; and a light emitting layer provided between the anode and the cathode, the device further including an electron control layer provided between the light emitting layer and the cathode and including a compound of Chemical Formula 1: and an electron transfer layer provided between the electron control layer and the cathode and including a compound of Chemical Formula 3: