1. Guangdong University Key Laboratory for Advanced Quantum Dot Displays and Lighting Department of Electrical & Electronic Engineering Southern University of Science and Technology Shenzhen 518055 China
2. Department of Electrical & Electronic Engineering The University of Hong Kong Pokfulam Road, Hong Kong 852 SAR China
3. Guangdong‐Hong Kong‐Macao Joint Laboratory for Photonic‐Thermal‐Electrical Energy Materials and Devices Shenzhen 518055 China