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 510006;
China;
National Center for International Research on Green Optoelectronics;
South China Normal University;
Guangzhou 510006;
China;
School of Electrical and Electronic Engineering;
50 Nanyang Avenue;
Nanyang Technological University;
Singapore 639798;
Singapore;
Shenzhen Guohua Optoelectronics Tech.Co.Ltd;
Shenzhen 518110;
China;