1. Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province College of Physics and Optoelectronic Engineering Shenzhen University Shenzhen China
2. College of Electronics and Electrical Engineering Shenzhen University Shenzhen China
3. State Key Lab of Advanced Displays and Optoelectronics Technologies Hong Kong University of Science and Technology Clear Water Bay Kowloon Hong Kong