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:
Nov. 13, 2007
Filed:
Jun. 25, 2004
Hae-jung Son, Seoul, KR;
Eun-sil Han, Daejeon-si, KR;
Jong-hyoup Lee, Seoul, KR;
Lyong-sun Pu, Suwon-si, KR;
Seok Chang, Daejeon-si, KR;
Yi-yeol Lyu, Daejeon-si, KR;
Das Rupasree Ragini, Suwon-si, KR;
Hae-Jung Son, Seoul, KR;
Eun-Sil Han, Daejeon-si, KR;
Jong-Hyoup Lee, Seoul, KR;
Lyong-Sun Pu, Suwon-si, KR;
Seok Chang, Daejeon-si, KR;
Yi-Yeol Lyu, Daejeon-si, KR;
Das Rupasree Ragini, Suwon-si, KR;
Samsung SDI Co., Ltd., Suwon-si, Gyeonggi-do, KR;
Abstract
An organometallic complex which includes a carboxylic acid as an ancillary ligand, and an organic electroluminescent device employing the same. The organometallic complex is useful as a phosphorescence dopant material of an organic electroluminescent device due to its high luminosity in the range of the blue wavelengths.