Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8586963 | Semiconductor light-emitting devices having concave microstructures providing improved light extraction efficiency and method for producing same | Nelson Tansu, Yik Khoon Ee, Pisist Kumnorkaew | 2013-11-19 |
| 8569737 | Broadband light emitting diodes and method for producing same | Nelson Tansu, Xiaohang Li, Hongping Zhao, Guangyu Liu, Pisist Kumnorkaew | 2013-10-29 |
| 8076667 | Efficient light extraction method and device | Nelson Tansu, Yik Khoon Ee, Pisit Kumnorkaew, Ronald A. Arif | 2011-12-13 |