1) “Development of GaN-based laser diode”, Seoul Semiconductor Inc. (2009.05 ~ 2010. 04)
2) “Analysis of efficiency droop in GaN-based LED” by Seoul Semiconductor Inc. (2010. 05. ~ 2014. 04)
3) “Development of nonpolar GaN-based LED” by the IT R & D program from the Ministry of Knowledge Economy (2009. 03. ~ 2012. 02)
4) “Development of high quality semipolar GaN by lateral growth methods” by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education,
Science and Technology (2010. 05. ~ 2012. 04)
5) “Development of 200mW green (525nm) LED for full color display”, Industrial source technology development project, Ministry of Commerce, Industry and Energy (2011. 05. ~2014. 02.)
6) “Development of full color laser diodes and modules for mobile fusion devices”, Industrial source technology development project, Ministry of Commerce, Industry and Energy (2011.08. ~2014. 05)
7) ICT Fusion Project of Samsung Science & Technology Foundation (2015. 06.~ 2019. 05.)
8) Visiting professor scholarship of LG Yonam Foundation (2016.01. ~ 2017.01)