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. 11, 2012
Filed:
Mar. 09, 2007
Yeon-hwan Kim, Goyang-si, KR;
Dong-hoon Lee, Seoul, KR;
Hye-young Jang, Daejeon Metropolitan, KR;
Sung-kil Hong, Daejeon Metropolitan, KR;
Sung-jin Yeo, Daejeon Metropolitan, KR;
Kong-kyeom Kim, Daejeon Metropolitan, KR;
Dong-seob Jeong, Seoul, KR;
So-yeon Choi, Legal Representative, Daejeon, KR;
Yeon-Hwan Kim, Goyang-si, KR;
Dong-Hoon Lee, Seoul, KR;
Hye-Young Jang, Daejeon Metropolitan, KR;
Sung-Kil Hong, Daejeon Metropolitan, KR;
Sung-Jin Yeo, Daejeon Metropolitan, KR;
Kong-Kyeom Kim, Daejeon Metropolitan, KR;
Dong-Seob Jeong, Seoul, KR;
So-Yeon Choi, legal representative, Daejeon, KR;
LG Chem, Ltd., Seoul, KR;
Abstract
The present invention provides a novel tetraphenylnaphthalene derivative, and an organic light emitting device using the same.