1. Guangdong Provincial Key Laboratory of Optical Information Materials and Technology & Institute of Electronic Paper Displays, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou, People's Republic of China
2. National Center for International Research on Green Optoelectronics, South China Normal University, Guangzhou, People's Republic of China
3. Shenzhen Guohua Optoelectronics Tech. Co. Ltd., Shenzhen, People's Republic of China
4. Academy of Shenzhen Guohua Optoelectronics, Shenzhen, People's Republic of China