Dr. Seung-Jae Lee (Korea Photonics Technology Institute / KR), Dr. Seong Ran Jeon (Korea Photonics Technology Institute / KR), Young Jun Choi (LumiGNtech Co., Ltd. / KR), Hae-Gon Oh (LumiGNtech Co., Ltd. / KR), Hae-Yong Lee (LumiGNtech Co., Ltd. / KR)