Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7934840 | Optical device and projection system comprising the same | — | 2011-05-03 |
| 7901102 | Backlight unit and liquid crystal display apparatus employing the same | Il-yong Jung, Joon-chan Park, Ji-whan Noh | 2011-03-08 |