Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7141931 | Flat fluorescent lamp and backlight unit using the same | Deuk-il Park, Choong Yop Rhew | 2006-11-28 |
| 6843587 | Surface light source apparatus, and method and apparatus for manufacturing the same | Deuk-il Park, Soon Cheon Cho, Sang Mook Kim, Choong Yop Rhew, Min Ho Kim +2 more | 2005-01-18 |