Dr. Preetpal received hi B.S. degree from the Guru Nanak Engineering College, Hyderabad, India, in 2007, and the M.S. degree from Amity University, Noida, India, in 2013. He finished his Ph.D. degree with the Department of Electronic Engineering and the Semiconductor Laboratory, Chang Gung University, Taoyuan, Taiwan. His research interests include graphene-based high-power LEDs, high power LED degradation study, and LED reliability.

He has published his research in reputed journals like the IEEE-TDMR, Microelectronics Reliability, and Scientific Reports. He also hold a US patent for his work on High Power LEDs substrate- GaN thermal and lattice mismatch improvement. He is also the Reviewer for the IEEE-TDMR and microelectronics journals.