Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7486261 | Electro-luminescent display device | Du-Hwan Oh | 2009-02-03 |
| 7486027 | Organic light emitting diode display device | Chang Hwan Lee | 2009-02-03 |
| 7319446 | Organic electroluminescent display device and driving method thereof | Du-Hwan Oh | 2008-01-15 |
| 7262751 | Digital driving method of organic electroluminescent display device | Jae-Ho Sim | 2007-08-28 |
| 7221096 | Active matrix organic light emitting display panel | Du-Hwan Oh | 2007-05-22 |
| 7187375 | Apparatus and method of generating gamma voltage | Yong Min Ha, Seok Hee Jeong, Dai Yun Lee, Han Sang Lee | 2007-03-06 |
| 7118944 | Method for fabricating polycrystalline silicon thin film transistor | — | 2006-10-10 |
| 7112476 | Polycrystalline silicon liquid crystal display device and fabrication method thereof | San-Ho Kim | 2006-09-26 |
| 7030842 | Electro-luminescence display device and driving method thereof | Yong Min Ha, Han Sang Lee, Myung Ho Lee, Seok Hee Jeong | 2006-04-18 |
| 7002178 | Polycrystalline silicon thin film transistor and method for fabricating the same | — | 2006-02-21 |
| 6801186 | Analog buffer and method of driving the same | Chul Hi Han | 2004-10-05 |
| 6747625 | Digital driving circuit for liquid crystal display | Chul Hi Han, Seung Woo Lee | 2004-06-08 |