On July 8th, the "85th ROEL Lecture Session" was held at Conference Room in Research Center for Organic Electronics (ROEL).

We invited Prof. Katsumi Tokumaru, Professor Emeritus at University of Tsukuba and Senior Adviser at Chemical Material Evaluation and Research Base (CEREBA), as a guest speaker, giving a lecture entitled "New Development of Chemiluminescence."

Many researchers and students attended to the lecture and it finished in success.