Che-Hao Liao

Che-Hao Liao, Ph.D. from National Taiwan University, Taiwan. Now, working as an Assistant Professor at the National Yunlin University of Science and Technology (Yuntech), Taiwan. 1. Work Experience (1) Epitaxy Growth Div., RD center, Genesis Photonics Inc, Tainan, Taiwan, 2015-2017 Senior RD Engineer - In charge of three Veeco K465i MOCVD for GaN-based Blue LED epi-wafer (2, 4, and 6 inches) mass production, monitoring recipes and yields, DOEs to improve device properties/ implement new recipes. - Research and development of new epi-wafer structures for high power, high brightness LED, and improve the ESD characteristic of epi-wafer. - Front-end wafer fabrication quality control (SPC and GR&R), thin film deposition (PECVD, e-beam evaporator, sputter), monitor recipes and yields. Solving issues by DMAIC cycle approach. (2) Electronic Materials Div., LCD dept., Nan Ya Plastics Co., Tao Yuan, Taiwan, 2002-2006 Research and development engineer - Implemented Double STN-LCD panels for wide temperature range display applications on vehicles /vessels. Products earned the purchase order from Stonebridge Vehicles Ltd for VOLVO trucks. - Designed and fabricated the trans-reflectance color STN-LCD panels for personal digital assistor (PDA), global positioning system (GPS) modules and consumer electronics for outdoor applications - Developed TFT-LCD panels for portable devices and cell phones, integrated the process with vendor's TFT-cell to the mass production line. 2. Research Experience (1) King Abdullah University of Science and Technology (KAUST), Saudi Arabia, 2017-2022 Research Scientist - Lab Safety Representative/Lab manager of Advance Semiconductor Laboratory. - In charge of TNS MOCVD SR-4000HT for AlGaN-based DUV LED and HEMT epitaxial growth - Nitride and Oxide material growth by MOCVD and PLD, device fabrication, and characterization. (2) Graduate Institute of Photonics and Optoelectronics, National Taiwan University, Taipei, Taiwan, 2012-2014 Postdoctoral Researcher - Design and grow the special epi-structures for GaN crystal quality improvement or novel device fabrication, such as ELO, Nano-pattern, novel substrates, and vertical LED growth. - MOCVD epitaxy growth of nitride-based nanorods, InGaN/GaN core-shell nanorod LED array, and their emission wavelength variation properties studied for solid-state lighting applications. - Crystal quality evaluations, material analysis, optical and electrical property measurements.