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. 12, 2012
Filed:
Mar. 18, 2005
Materials for injecting or transporting holes and organic electroluminescence devices using the same
Ji Eun Kim, Daejeon, KR;
Jae Chol Lee, Daejeon, KR;
Kong Kyeom Kim, Daejeon, KR;
Jae Soon Bae, Daejeon, KR;
Jun Gi Jang, Cheongju-si, KR;
Sang Young Jeon, Seoul, KR;
Min Soo Kang, Daejeon, KR;
Wook Dong Cho, Daejeon, KR;
Byung Sun Jeon, Seoul, KR;
Yeon Hwan Kim, Goyang-si, KR;
Ji Eun Kim, Daejeon, KR;
Jae Chol Lee, Daejeon, KR;
Kong Kyeom Kim, Daejeon, KR;
Jae Soon Bae, Daejeon, KR;
Jun Gi Jang, Cheongju-si, KR;
Sang Young Jeon, Seoul, KR;
Min Soo Kang, Daejeon, KR;
Wook Dong Cho, Daejeon, KR;
Byung Sun Jeon, Seoul, KR;
Yeon Hwan Kim, Goyang-si, KR;
LG Chem, Ltd., Seoul, KR;
Abstract
The present invention relates to a novel compound that can significantly improve the lifespan, efficiency and thermal stability of an organic light emitting device, and to an organic electroluminescence device or light emitting device comprising the compound in an organic compound layer is also disclosed.