Issued Patents All Time
Showing 26–43 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7687626 | Organometallic complex and organic electroluminescent device using the same | Das Rupasree Ragini, Hee Kyung Kim, O-Hyun Kwon, Joon Yong PARK, Jung-Bae Song +1 more | 2010-03-30 |
| 7670691 | Cyclometalated transition metal complex and organic electroluminescent display device using the same | Yi-Yeol Lyu, Yu Jin Kim, Das Rupasree Ragini, Seok Chang, Lyong-Sun Pu +1 more | 2010-03-02 |
| 7601438 | Cyclometalated transition metal complex and organic electroluminescent display device using the same | Das Rupasree Ragini, Seok Chang, Yi-Yeol Lyu, Eun-Sil Han, Lyong-Sun Pu +1 more | 2009-10-13 |
| 7579092 | Cyclometalated transition metal complex and organic electroluminescent device using the same | Das Rupasree Ragini, Seok Chang, Yi-Yeol Lyu, Eun-Sil Han, Lyong-Sun Pu +1 more | 2009-08-25 |
| 7575817 | Cyclometalated transition metal complex and organic electroluminescent device using the same | Yi-Yeol Lyu, Das Rupasree Ragini, Eun-Sil Han, Seok Chang, Lyong-Sun Pu +1 more | 2009-08-18 |
| 7556867 | Iridium (III) complex with heteroatom linking group and organic electroluminescent device using the same | Seok Chang, Hyun-Nam Cho, Jong-Hyoup Lee, Lyong-Sun Pu, Yi-Yeol Lyu +2 more | 2009-07-07 |
| 7511423 | Organic light emitting device (OLED) and white light emitting device | Tae-Yong Noh, Euk Che Hwang, Jong Jin Park, Jhun-Mo Son, Sung-Hun Lee +1 more | 2009-03-31 |
| 7501188 | Organic electroluminescent device | Hae Jung Son, Tae-Yong Noh, Sang-Hoon Park, Lyong-Sun Pu, Das Rupasree Ragini +4 more | 2009-03-10 |
| 7396599 | Binuclear organometallic complexes and organic electroluminescent display device using the same | Yi-Yeol Lyu, Lyong-Sun Pu, Das Rupasree Ragini, Seok Chang, Eun-Sil Han +3 more | 2008-07-08 |
| 7374701 | Organometallic precursor composition and method of forming metal film or pattern using the same | Euk Che Hwang, Sang Yoon Lee, Joon Sung Ryu, Hae Jung Son | 2008-05-20 |
| 7341897 | Method of fabricating thin film transistor | Tae-Woo Lee, Yi-Yeol Lyu, Sang Yoon Lee, Bon Won Koo | 2008-03-11 |
| 7033738 | Process of forming a micro-pattern of a metal or a metal oxide | Soon Taik Hwang, Euk Che Hwang, Seok Chang | 2006-04-25 |
| 7014979 | Organometallic precursor mixture for forming metal alloy pattern and method of forming metal alloy pattern using the same | Soon Taik Hwang, Byong Yun, Hae Jung Son | 2006-03-21 |
| 7005674 | Organic thin film transistor comprising multi-layered gate insulator | Sang Yoon Lee, Jong Jin Park, Yi-Yeol Lyu, Bon Won Koo, In-Nam Kang | 2006-02-28 |
| 6965045 | Organic metal precursor for use in forming metal containing patterned films | Won Cheol JUNG, Seok Chang, Soon Taik Hwang | 2005-11-15 |
| 6774034 | Organometallic precursor for forming metal pattern and method of forming metal pattern using the same | Soon Taik Hwang, Euk Che Hwang | 2004-08-10 |
| 6599587 | Organometallic precursor for forming metal pattern and method of forming metal pattern using the same | Min-Chul Chung, Soon Taik Hwang, Euk Che Hwang | 2003-07-29 |
| 6348611 | Process for carbonylation of epoxide derivatives | Byeong No Lee, Duck Joo Yang | 2002-02-19 |