Gongxun Bai received his Ph.D. in Applied Physics from The Hong Kong Polytechnic University. He is currently a Level 3 Researcher and PhD supervisor at China Jiliang University, where he also serves as Deputy Dean of the College of Science and Deputy Dean of the College of International Education. He is a Distinguished Professor of the “Qianjiang Scholars Program” of Zhejiang Province, a Young Top-notch Talent of the Provincial Ten Thousand Talents Program, a recipient of the Outstanding Youth Fund of Zhejiang Provincial Natural Science Foundation, and a selected talent of the Provincial “Young Talents Program Paired and Cultivated by Academicians and Experts”. In the past five years, he has been focusing on key technical bottlenecks in rare-earth optoelectronic materials and semiconductor lighting. He has presided over several research projects, including the Young Scientist Project of the National Key R&D Program, the General Program of the National Natural Science Foundation of China, and the Outstanding Youth Project of Zhejiang Provincial Natural Science Foundation. His research interests include the structure–property relationship of rare-earth luminescent materials, optoelectronic device integration, and precision optical lighting systems.