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. 05, 2022
Filed:
Aug. 31, 2018
Lg Chem, Ltd., Seoul, KR;
Min Woo Jung, Daejeon, KR;
Min Young Kang, Daejeon, KR;
Tae Yoon Park, Daejeon, KR;
Seong Mi Cho, Daejeon, KR;
Jeong Wook Mun, Daejeon, KR;
Jung Ha Lee, Daejeon, KR;
Mi Young Chae, Daejeon, KR;
LG CHEM, LTD., Seoul, KR;
Abstract
Provided is a compound of Chemical Formula 1 or 2: wherein: Xto Xare N or CH, with the proviso that at least one of Xto Xis N; Y is O or S; Land Lare each independently a single bond or a substituted or unsubstituted Carylene; and Ar is a substituted or unsubstituted Calkyl, a substituted or unsubstituted Chaloalkyl, a substituted or unsubstituted Ccycloalkyl, a substituted or unsubstituted Caryl, or a substituted or unsubstituted Cheteroaryl containing one to three heteroatoms selected from the group consisting of N, O, and S, and an organic light emitting device including the same.