1. Japan Laboratory; LG Display Co. Ltd; 2F, Glass Cube Shinagawa, 4-13-14 Higashi shinagawa; Shinagawa-ku; Tokyo; 140-0002; Japan
2. Panel Technology Department; LG Display Co. Ltd; 1007, Deoheunri, Wollongmyeon; Pajusi; Gyeonggido; 413-811; Korea
3. Graduate School of Science and Engineering; Yamagata University; 4-3-16 Jonan; Yonezawa; 992-8510; Japan