Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8388863 | Silicate phosphor for UV and long-wavelength excitation and preparation method thereof | Joung Kyu Park, Chang Hae Kim, Kyung Nam Kim, Jae-Myung Kim | 2013-03-05 |
| 7646141 | Phosphor, light emitting device by using the same and manufacturing method of the same | Chang Hae Kim, Joung Kyu Park, Sang-Kee Kim, Chung Ryeol Kim | 2010-01-12 |