GENEVA, Feb. 16 -- SOOCHOW UNIVERSITY (199 Ren Ai Road, Suzhou Industrial Park,Suzhou, Jiangsu 215123), 苏州大学 (中国江苏省苏州市工业园区仁爱路199号), SVG TECH GROUP CO., LTD (No. 68 Xinchang Road, Industrial ParkSuzhou, Jiangsu 215123), 苏州苏大维格科技集团股份有限公司 (中国江苏省苏州市工业园区新昌路68号) filed a patent application (PCT/CN2025/072268) for "PREPARATION METHOD FOR LIQUID-CRYSTAL PHOTONIC DEVICE, AND EXPOSURE SYSTEM AN...