Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8012792 | Composite phosphor powder, light emitting device using the same and method for manufacturing composite phoshpor powder | Chulsoo Yoon, Joon Ho Yoon, Yun Seup Chung | 2011-09-06 |
| 7999456 | White light emitting diode with yellow, green and red light emitting phosphor | Jong Rak Sohn, Chul Soo Yoon, Il Woo Park | 2011-08-16 |
| 7911127 | Phosphor blend for wavelength conversion and white light emitting device using the same | Jong Rak Sohn, Il Woo Park, Yun Seup Chung, Chul Soo Yoon, Joon Ho Yoon | 2011-03-22 |