National&Local Joint Engineering Research Center of Semiconductor Display and Optical Communication Devices South China University of Technology Guangdong 510640 ChinaFoshan Nationstar Optoelectronics Company Ltd. Foshan 528000 China;
National&Local Joint Engineering Research Center of Semiconductor Display and Optical Communication Devices South China University of Technology Guangdong 510640 China;
National&Local Joint Engineering Research Center of Semiconductor Display and Optical Communication Devices South China University of Technology Guangdong 510640 ChinaFoshan Nationstar Optoelectronics Company Ltd. Foshan 528000 China;
National&Local Joint Engineering Research Center of Semiconductor Display and Optical Communication Devices South China University of Technology Guangdong 510640 China;
National&Local Joint Engineering Research Center of Semiconductor Display and Optical Communication Devices South China University of Technology Guangdong 510640 China;
National&Local Joint Engineering Research Center of Semiconductor Display and Optical Communication Devices South China University of Technology Guangdong 510640 China;
perovskite light emitting diodes; perovskite film; device structure; blue LEDs;