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. 14, 2023
Filed:
Jul. 20, 2018
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Jung Ha Lee, Daejeon, KR;
Dong Hoon Lee, Daejeon, KR;
Tae Yoon Park, Daejeon, KR;
Seong Mi Cho, Daejeon, KR;
Dong Uk Heo, Daejeon, KR;
Min Woo Jung, Daejeon, KR;
Assignee:
LG CHEM, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 491/048 (2006.01); C07D 209/82 (2006.01); C07D 307/91 (2006.01); C07D 333/52 (2006.01); C07D 495/04 (2006.01); H01L 51/00 (2006.01); C07D 407/14 (2006.01); C07D 409/14 (2006.01); C07D 471/04 (2006.01); C07D 487/04 (2006.01); C07D 413/14 (2006.01); C07D 417/14 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
C07D 491/048 (2013.01); C07D 209/82 (2013.01); C07D 307/91 (2013.01); C07D 333/52 (2013.01); C07D 407/14 (2013.01); C07D 409/14 (2013.01); C07D 413/14 (2013.01); C07D 417/14 (2013.01); C07D 471/04 (2013.01); C07D 487/04 (2013.01); C07D 495/04 (2013.01); H01L 51/0052 (2013.01); H01L 51/0067 (2013.01); H01L 51/0071 (2013.01); H01L 51/0072 (2013.01); H01L 51/0073 (2013.01); H01L 51/0074 (2013.01); H01L 51/508 (2013.01); H01L 51/5016 (2013.01); H01L 51/5024 (2013.01); H01L 51/5072 (2013.01); H01L 51/5092 (2013.01);
Abstract
Disclosed are a heterocyclic compound represented by Formula 1 and an organic light emitting device using the same. The heterocyclic compound is used as a material for hole injection layer, hole transport layer, hole injection and transport layer, light emission layer, electron transport layer, or electron injection layer of the organic light emitting device and provides improved efficiency, low driving voltage, and improved lifetime characteristic.