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:
Jun. 23, 2015
Filed:
Jan. 17, 2012
Sung Kil Hong, Daejeon, KR;
Yun Hwan Kim, Seoul, KR;
Tae Yoon Park, Daejeon, KR;
Hye Young Jang, Daejeon, KR;
Boonjae Jang, Daejeon, KR;
Sung Kil Hong, Daejeon, KR;
Yun Hwan Kim, Seoul, KR;
Tae Yoon Park, Daejeon, KR;
Hye Young Jang, Daejeon, KR;
Boonjae Jang, Daejeon, KR;
LG Chem, Ltd., Seoul, KR;
Abstract
The present invention relates to a novel compound and an organic light emitting device comprising the same. The compound according to the present invention may be used as hole injection, hole transport, electron injection and transport, and light emitting materials in an organic light emitting device, and the organic light emitting device according to the present invention has excellent properties in terms of efficiency, driving voltage, and life-span.