Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9466761 | Light emitting diode having well and/or barrier layers with superlattice structure | Joo Won Choi, Dong-Seon Lee, Sang Joon Lee | 2016-10-11 |
| 8716046 | Light emitting device and method for manufacturing the same | Sang Joon Lee, Chang Suk Han, Kwang Choong Kim | 2014-05-06 |
| 8716048 | Light emitting device and method for manufacturing the same | Sang Joon Lee, Chang Suk Han, Kwang Choong Kim | 2014-05-06 |
| 7649195 | Light emitting diode having active region of multi quantum well structure | Dong-Seon Lee | 2010-01-19 |