Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8035292 | Planar light source device and liquid crystal display device having the same | Hyeong-Suk Yoo, Seung Ki Joo, In-Sun Hwang, Hae-Il Park, Sung-Lak Choi | 2011-10-11 |
| 7816851 | Planar light source device and liquid crystal display device having the same | Hyeong-Suk Yoo, Seung Ki Joo, In-Sun Hwang, Hae-Il Park, Sung-Lak Choi | 2010-10-19 |