Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6970149 | Active matrix organic light emitting diode display panel circuit | Choong-Heui Chung, Chi-Sun Hwang, Jin Ho Lee | 2005-11-29 |
| 6958499 | Triode field emission device having mesh gate and field emission display using the same | Chi-Sun Hwang, Bong Chul Kim, Choong-Heui Chung | 2005-10-25 |