Journal Article Review human-interactive sensing displays AC-to-AC power transfer alternating current electroluminescence alternating current-driven devices anti‐counterfeiting techniques block copolymers direct capacitive coupling electroluminescence exciton recombination flexible sensing displays hot-electron impact excitation inverse piezoelectric sounds mechanoluminescence metal halide perovskites optical encryption photoluminescence photonic crystals self-healing and stretchable sensing displays soft human-machine interfaces solid-state cathode luminescence structural color structural colors tactile vibration wireless stand-alone interactive displays