2:30 PM - 2:45 PM [11p-S223-4] ZnS:Cu EL phosphors prepared by using nanoparticles- Improvement of PL and EL characteristics by impregnation in Cu solutions - 〇Koki Saruta1, Satoshi Tanaka1, Tadashi Ishigaki1, Koutoku Ohmi1 (1.Tottori Univ.)