On January 14, the 2023 annual seminar of the national key R&D project "Basic Research on the Design, Synthesis and Application of New High-Efficiency Rare Earth Luminescent Materials Excited by Purple Light" led by Shanghai University of Technology was held at Fengxian Campus. The project leader and chief scientist, Professor Fang Yongzheng of the School of Materials Science and Technology of our school as well as other subject leaders and key members of the project attended the meeting. The meeting was chaired by Han Sheng, dean of the Research Institute, and Liu Ronghui, the general manager of Youyan Rare Earth New Materials Co., Ltd.