Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8354784 | Solid-state light emitting devices with photoluminescence wavelength conversion | Bing Dai, Yi-Qun Li | 2013-01-15 |
| 8274215 | Nitride-based, red-emitting phosphors | Shengfeng Liu, Dejie Tao, Yi-Qun Li | 2012-09-25 |
| 7557356 | Camera-based x-ray digital image detector | Shifan Cheng, Yi-Qun Li | 2009-07-07 |