Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6669868 | Phosphors having improved luminance and longer lifespan | Il Yu, Sang-Hyuk Lee, Kyu-Chan Park | 2003-12-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6669868 | Phosphors having improved luminance and longer lifespan | Il Yu, Sang-Hyuk Lee, Kyu-Chan Park | 2003-12-30 |