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:
Dec. 09, 2025
Filed:
Feb. 28, 2020
Lg Chem, Ltd., Seoul, KR;
Minjun Kim, Daejeon, KR;
Dong Hoon Lee, Daejeon, KR;
Hyoung Seok Kim, Daejeon, KR;
Sangwoo Lee, Daejeon, KR;
Sang Duk Suh, Daejeon, KR;
Donghee Kim, Daejeon, KR;
Sunmin Kim, Daejeon, KR;
Da Jung Lee, Daejeon, KR;
LG CHEM, LTD., Seoul, KR;
Abstract
A compound of Chemical Formula 1: where at least one of R7 to R10 is Chemical Formula A, and the remaining R7 to R10 are hydrogen: wherein in Chemical Formula A,means a bond with R7 to R10; R15 is hydrogen, a nitrile group, a halogen group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted silyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted heteroaryl group, or adjacent groups bond to each other to form a substituted or unsubstituted ring; and the other substituents are as defined in the specification, and an organic light emitting device including the same.