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. 01, 2005
Filed:
Dec. 02, 2003
Ki-dong Kim, Daejeon, KR;
Sang-dae Kim, Daegu, KR;
Yoon-soo Han, Kyongsangbuk-do, KR;
Yoon-heung Tak, Gumi-shi, KR;
Dong-uk Kim, Daegu, KR;
Tae-jeong Kim, Daegu, KR;
Ung-chan Yoon, Busan, KR;
Sung-hoon Kim, Daegu, KR;
Hee-wan Moon, Daegu, KR;
Ki-Dong Kim, Daejeon, KR;
Sang-Dae Kim, Daegu, KR;
Yoon-Soo Han, Kyongsangbuk-do, KR;
Yoon-Heung Tak, Gumi-shi, KR;
Dong-Uk Kim, Daegu, KR;
Tae-Jeong Kim, Daegu, KR;
Ung-Chan Yoon, Busan, KR;
Sung-Hoon Kim, Daegu, KR;
Hee-Wan Moon, Daegu, KR;
LG Electronics, Inc., Seoul, KR;
Abstract
The present invention relates to luminescence materials for an organic electroluminescent device (OELD), and particularly to phenyl pyridine-iridium metal complex compounds of formula (1), and preparation method thereof. In addition, the present invention relates to an organic electroluminescent device using the luminescence materials according to the present invention, which can greatly enhance the efficiency of luminescence and increase the operating life time of the device: