Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8018428 | Electrophoretic display panel, electrophoretic display device having the same and method for driving the same | Cheol-Woo Park, Sung Jin Hong | 2011-09-13 |
| 7952558 | Methods for driving electrophoretic display so as to avoid persistent unidirectional current through TFT switches | Young-Chol Yang | 2011-05-31 |
| 7933061 | Display substrate, electrophoretic display device with the same and method for manufacturing the same | Kyu-Young Kim, Nam-Seok Roh | 2011-04-26 |
| 7928970 | Display device and control method thereof | Jae Hyun Cho, Cheol-Woo Park, Sung Jin Hong | 2011-04-19 |
| 7799488 | Method for manufacturing phase shift mask using electron beam lithography | Sang Jin Jo | 2010-09-21 |
| 7666556 | Method for manufacturing photomask | — | 2010-02-23 |
| 7580032 | Display device and driving method thereof | Cheol-Woo Park | 2009-08-25 |
| 7167150 | Method for displaying an image, image display apparatus, method for driving an image display apparatus and apparatus for driving an image display panel | Young-Chol Yang, Mun-Pyo Hong, Keun-Kyu Song, Soo-Guy Rho, Nam-Seok Roh | 2007-01-23 |