Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12237446 | Wavelength conversion apparatus and method for manufacturing the same | Qian Li | 2025-02-25 |
| 11053161 | Glass fluorescent powder slice with multi-layer structure and preparation method therefor, and light-emitting device | Qian Li, Yanqing Deng | 2021-07-06 |
| 11022276 | Wavelength conversion device, manufacturing method thereof, and related illumination device | Yanzheng Xu, Qian Li, Hu Xu | 2021-06-01 |
| 10401014 | Sealed wavelength conversion device and cooling system | Fei Hu, Yi Yang, Wei Fu | 2019-09-03 |
| 10386548 | Diffuse reflection material, diffuse reflection layer, wavelength conversion device and light source system | Hu Xu, Qian Li | 2019-08-20 |
| 9897303 | Wavelength conversion device, light source system and projection system | Xiliang Wu, Dayan Dai, Yusan Chen, Yanzheng Xu | 2018-02-20 |