1. Guangdong Provincial Key Laboratory of Optical Information Materials and Technology & Institute of Electronic Paper Displays, South China Academy of Advanced Optoelectronics, Guangzhou, China
2. Jihua Laboratory, 28 Huandaonan road, Nanhai district, Foshan, Guangdong Province, China
3. Kebotix, Inc., 501 Massachusetts Avenue, Cambridge, MA 02139, USA