1. Institute of Lighting and Energy Photonics, College of Photonics, National Chiao Tung University, No. 301, Gaofa 3rd Road, Guiren District, Tainan 71150, Taiwan, ROC
2. Opulence Optronics Co., Ltd., 3F, No. 1, Zhanye 1st Road, East District, Hsinchu 30091, Taiwan, ROC