Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8597961 | Method for improving internal quantum efficiency of group-III nitride-based light emitting device | Ching-Hwa Chang Jean, Jang-Ho Chen | 2013-12-03 |
| 8513688 | Method for enhancing electrical injection efficiency and light extraction efficiency of light-emitting devices | Ching-Hwa Chang Jean, Jang-Ho Chen | 2013-08-20 |
| 8129728 | Light emitting device and method for enhancing light extraction thereof | Ching-Hwa Chang Jean, Jang-Ho Chen | 2012-03-06 |