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:
Mar. 03, 2015
Filed:
Nov. 07, 2008
Sung-kil Hong, Daejeon, KR;
Wook-dong Cho, Daejeon, KR;
Jae-soon Bae, Daejeon, KR;
Ji-eun Kim, Daejeon, KR;
Hyun Nam, Daejeon, KR;
Jun-gi Jang, Daejeon, KR;
Byung-sun Jeon, Seoul, KR;
Mun-kyu Joo, Busan, KR;
Hye-young Jang, Daejeon, KR;
Sung-Kil Hong, Daejeon, KR;
Wook-Dong Cho, Daejeon, KR;
Jae-Soon Bae, Daejeon, KR;
Ji-Eun Kim, Daejeon, KR;
Hyun Nam, Daejeon, KR;
Jun-Gi Jang, Daejeon, KR;
Byung-Sun Jeon, Seoul, KR;
Mun-Kyu Joo, Busan, KR;
Hye-Young Jang, Daejeon, KR;
LG Chem, Ltd., Seoul, KR;
Abstract
The present invention provides a novel compound that is capable of largely improving life span, efficiency, electrochemical stability and thermal stability of the organic light emitting device, and an organic light emitting device in which said compound is included in an organic compound layer.