fig3

Figure 3. (A) Schematic illustration of the human ocular structure and the integrated soft optoelectronic device; (B) schematic illustration of the high-density CurvIS array based on the MoS₂-graphene heterostructure; (C) phototransistor stack (bottom) and the stimulation electrode (top) connected through the soft FPCB; (D) schematic illustration of the electronics for detecting external light and stimulation; (E) optical camera image of the CurvIS array and UNE stack connected through the soft FPCB; and (F) university logo image captured by the CurvIS array^[116]. FPCB: Flexible printed circuit board; UNE: ultra-thin neural-interfacing electrodes.