1. Department of Electronic Science, Fujian Engineering Research Center for Solid-state Lighting, Collaborative Innovation Center for Optoelectronic Semiconductors and Efficient Devices, Xiamen University, Xiamen 361005, China
2. Xiamen Institute of Measurement and Testing, Xiamen, Fujian, People's Republic of China
3. Xiamen Dacol Photoelectronics Technology Co., Ltd. Xiamen, Fujian, People's Republic of China
4. Xiamen Hualian Electronics Co., Ltd. Xiamen, Fujian, People's Republic of China
5. Department of Physics, Xiamen University, Xiamen, Fujian 361005, People's Republic of China