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:
Jul. 11, 2023
Filed:
Mar. 13, 2018
Lg Chem, Ltd., Seoul, KR;
Jung Hoon Yang, Daejeon, KR;
Dong Hoon Lee, Daejeon, KR;
Jung Oh Huh, Daejeon, KR;
Boon Jae Jang, Daejeon, KR;
Min Young Kang, Daejeon, KR;
Dong Uk Heo, Daejeon, KR;
Mi Yeon Han, Daejeon, KR;
Min Woo Jung, Daejeon, KR;
LG CHEM, LTD., Seoul, KR;
Abstract
Provided is a compound of Formula 1: where X is O or S; Aris an aryl having 6 to 20 carbon atoms substituted with at least one functional group selected from the group consisting of cyano, pyridinyl, benzimidazolyl and diphenylphosphine oxide, or a substituted or unsubstituted heteroaryl having 3 to 20 carbon atoms containing at least one N; and Aris a functional group of Formula 2 below, with the proviso that Arand Arare different from each other, where Aris an aryl having 6 to 20 carbon atoms, and m is an integer of 0 to 2, and an organic light emitting device comprising the same.