1. National Key Laboratory of Science and Technology on Micro/Nano FabricationDepartment of Micro/Nano ElectronicsSchool of Electronic Information and Electrical EngineeringShanghai Jiao Tong UniversityShanghai200240People's Republic of China
2. LED DivisionSamsung Electronics CorporationNongseo‐dong, Giheung‐guYongin‐siGyeonggi‐do446‐711Korea