Issued Patents 2017
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9753276 | Wavelength-converting device and illumination system using same | Meng-Han Liu, Keh-Su Chang, Jau-Shiu Chen, Chi Chen | 2017-09-05 |
| 9753277 | Wavelength conversion device | Keh-Su Chang, Chi Chen, Chun-Hsien Lu | 2017-09-05 |
| 9726335 | Phosphor device and manufacturing method thereof having a second phosphor agent to increase the luminous intensity of a converted color light | Keh-Su Chang, Chi Chen | 2017-08-08 |
| 9696013 | Illumination system multi-layered wavelength-converting device | Keh-Su Chang, Jau-Shiu Chen, Chi Chen | 2017-07-04 |