Abstract
Information encryption is significantly important for information security, national public safety, and social business, which still face severe challenges of large-scale stimulus decryption equipment, information leakage, and product forgery. Herein, a wireless-controlled, self-powered, and patterned information encryption display system (IEDS) based on flexible electroluminescence (EL) device is developed, in which the EL device based on quick response (QR)/Morse-coded silver electrodes can be directly driven by a wearable triboelectric nanogenerator (W-TENG) to demonstrate programmed pixel-based dynamic EL emission for wireless-controlled information encryption. Moreover, the silver electrodes fabricated by inkjet printing for the EL device demonstrate high conductivity of 1.6 Ω/ sq and excellent flexibility. A wireless control module operated by a smartphone is employed to switch on or off the connection of the W-TENG with the EL device to achieve pixel-based dynamic EL emission for the IEDS, which would provide a novel insight and strategy for implementing advanced information encryption technology.
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