Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7271531 | Surface light source device, method of manufacturing the same and back light unit having the same | Seok-Hyun Cho, Ki Yeon Lee, Dong Woo Kim, Hae Soo Ha | 2007-09-18 |