Issued Patents 2011
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8017035 | Silicate-based yellow-green phosphors | Ning Wang, Shifan Cheng, Yi-Qun Li | 2011-09-13 |
| 7985000 | Lighting apparatus having multiple light-emitting diodes with individual light-conversion layers | — | 2011-07-26 |
| D638012 | Portable personal financial device | WeiCheng Tian | 2011-05-17 |
| 7937865 | Light emitting sign and display surface therefor | Yi-Qun Li, James Caruso, Charles Edwards | 2011-05-10 |
| 7922937 | Two-phase silicate-based yellow phosphor | Yi-Qun Li, Shifan Cheng, Dejie Tao, Ning Wang | 2011-04-12 |
| 7906041 | Silicate-based green phosphors in red-green-blue (RGB) backlighting and white illumination systems | Yi-Qun Li, Dejie Tao, Shifan Cheng, Ning Wang | 2011-03-15 |
| 7887719 | Phosphor systems for a white light emitting diode (LED) | Ning Wang, Shifan Cheng, Yi-Qun Li | 2011-02-15 |