Issued Patents All Time
Showing 151–156 of 156 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9000406 | Method and apparatus of drive currents control over a solid state light source | Yi Li, Yi Yang, Liangliang Cao | 2015-04-07 |
| 8919993 | High recycling efficiency solid state light source device | Yi Li, Yi Yang | 2014-12-30 |
| 8840267 | High luminance multicolor illumination devices and related methods and projection system using the same | Yi Li, Quan Zhang, Yi Yang | 2014-09-23 |
| 8740406 | Method and apparatus for solid state illumination | Yi Yang, Yi Li | 2014-06-03 |
| 8474997 | High brightness illumination device using double-sided excitation of wavelength conversion materials | Yi Li, Yi Yang | 2013-07-02 |
| 8024157 | Device for detecting voltage disturbance | Jian Duo Li, Guang Qiang Tang, Ting Xie, Yi Gang Yu, Yue Zhuo | 2011-09-20 |