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:
Sep. 03, 2024
Filed:
Apr. 24, 2017
Lg Chem, Ltd., Seoul, KR;
Dong Uk Heo, Daejeon, KR;
Dong Hoon Lee, Daejeon, KR;
Jungoh Huh, Daejeon, KR;
Boonjae Jang, Daejeon, KR;
Min Woo Jung, Daejeon, KR;
Ju Young Lee, Daejeon, KR;
LG Chem, Ltd., Seoul, KR;
Abstract
The present specification relates to an organic light emitting device having high light emission efficiency. Such organic light emitting device comprises a light emitting layer provided between the cathode and the anode, and including an anthracene derivative represented by the following Chemical Formula 2, and an organic material layer provide between the cathode and the light emitting layer, and including a cyclic compound represented by the following Chemical Formula 1. wherein Ar1, Ar2, X, G1, G2, m, n, R1-R8, Ar3, Ar4, L3, and I3 are described herein.