1. Key Laboratory of Electronic Materials and Devices of Tianjin, School of Electronics and Information Engineering, Hebei University of Technology, Tianjin 300401, China
2. Key Laboratory of Reliability and Intelligence of Electrical Equipment, Hebei University of Technology, Tianjin 300401, China
3. State Key Engineering Center of Flat-Panel-Display Glass and Equipment, 369 Zhujiang Road, High-Tech Zone, Shijiazhuang, Hebei Province 050035, People’s Republic of China