Beijing Engineering Research Center of Mixed Reality and Advanced Display;
School of Optics and Photonics;
Beijing Institute of Technology;
Beijing 100081;
China;
Department of Electronic Engineering;
Beijing National Research Center for Information Science and Technology;
Institute for Precision Medicine;
Center for Flexible Electronics Technology;
and IDG/McGovern Institute for Brain Research;
Tsinghua University;
Beijing 100084;
China;
School of Materials Science and Engineering;
Tsinghua University;
Beijing 100084;
China;