On April 1st, the 13th National Symposium on Molecular and Structural Characterization of Polymers opened at the Hyatt Regency Hotel in Yantian, Shenzhen. Zhang Pei, a doctoral student of the 2021 level in the research group, won the Excellent Poster Award at this conference. The conference showcased a total of over 130 posters from major universities across the country. After careful screening by experts, 12 people were awarded the "Excellent Poster Award". The title of the award-winning poster is "3D Printing Flexible Stretchable Light Emitting Devices and Soft Robots", which mainly reports a new type of 3D printing flexible electroluminescent (EL) device and soft robot based on ink direct writing, which can achieve full printing and convenient preparation of flexible light emitting devices.