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:
Aug. 20, 2024
Filed:
Jan. 14, 2020
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Sung Jae Lee, Daejeon, KR;
Sung Kil Hong, Daejeon, KR;
Yongbum Cha, Daejeon, KR;
Woo Jin Cho, Daejeon, KR;
Joo Yong Yoon, Daejeon, KR;
Hyeon Jin Mun, Daejeon, KR;
Assignee:
LG Chem, Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/00 (2006.01); H10K 50/15 (2023.01); H10K 85/00 (2023.01); H10K 85/60 (2023.01); H10K 50/17 (2023.01); H10K 50/18 (2023.01);
U.S. Cl.
CPC ...
H10K 85/636 (2023.02); H10K 85/00 (2023.02); H10K 85/633 (2023.02); H10K 50/15 (2023.02); H10K 50/17 (2023.02); H10K 50/18 (2023.02); H10K 85/626 (2023.02); H10K 85/6572 (2023.02);
Abstract
An organic light emitting device including a first electrode; a second electrode provided to face the first electrode; and an organic material layer having one, two or more layers provided between the first electrode and the second electrode, wherein the organic material layer includes a first organic material layer including a compound of Chemical Formula 1 and a second organic material layer including a compound of Chemical Formula 2.