Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8052294 | Direct type back light unit for liquid crystal display device | Sung Keun Lee | 2011-11-08 |
| 8045092 | Multifunctional optical sheet and liquid crystal display device including the same | Young Hun Jeong, Hyeuk-Chan Kwon | 2011-10-25 |
| 7905647 | Prism sheet, back light unit using the same and liquid crystal display device having the back light unit | Hoe Sup Soh, Ji-Su Yoon, Sung Keun Lee, Jin Hyuk Kwon | 2011-03-15 |