Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8624159 | Method of fabricating light emitting diode using laser lift-off technique and laser lift-off apparatus having heater | Chang Youn Kim, Joon Hee Lee, Hwa Mok Kim | 2014-01-07 |
| 8618565 | High efficiency light emitting diode | Chang Youn Kim, Joon Hee Lee, Hong Chol Lim | 2013-12-31 |
| 8410506 | High efficiency light emitting diode | Chang Youn Kim, Joon Hee Lee, Hong Chol Lim | 2013-04-02 |
| 8288781 | Light emitting device and method of fabricating the same | Won Cheol Seo, Joon Hee Lee, Chang Youn Kim, Jin Cheul Shin, Hwa Mok Kim +3 more | 2012-10-16 |
| 8153509 | Method of fabricating light emitting diode using laser lift-off technique and laser lift-off apparatus having heater | Chang Youn Kim, Joon Hee Lee, Hwa Mok Kim | 2012-04-10 |