Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7285339 | Organic electroluminescent device with improved long-term stability | Jong Geun Yoon, Hyoung Yun Oh, Sung Tae Kim | 2007-10-23 |
| 7064484 | Organic EL device | Won-Jun Song | 2006-06-20 |
| 6893744 | Organic electroluminescent display device | Hyoung Yun Oh | 2005-05-17 |
| 6838819 | Full color organic EL display panel, manufacturing method thereof and driving circuit thereof | Chang Nam Kim, Hak Su Kim, Jung Bae Kim | 2005-01-04 |
| 6663985 | Organic electroluminescent device with improved long-term stability | Jong Geun Yoon, Hyoung Yun Oh, Sung Tae Kim | 2003-12-16 |
| 6248458 | Organic electroluminescent device with improved long-term stability | Jong Geun Yoon, Hyoung Yun Oh, Sung Tae Kim | 2001-06-19 |