Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8388863 | Silicate phosphor for UV and long-wavelength excitation and preparation method thereof | Chang Hae Kim, Kyoung Jae Choi, 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, Sang-Kee Kim, Chung Ryeol Kim, Kyoung Jae Choi | 2010-01-12 |
| 7531956 | Light emitting device and phosphor for the same | Chang Hae Kim, Sang-Kee Kim, Choong Youl Kim | 2009-05-12 |
| 7045826 | Strontium silicate-based phosphor, fabrication method thereof, and LED using the phosphor | Chang Hae Kim, Hee-Dong Park | 2006-05-16 |