A low-voltage and flexible display screen that can safely be worn on the skin could open the door to new types human-machine interfaces.
Current tattoo-like stretchable light-emitting devices require relatively high voltages, which require a lot of power and could be dangerous if damaged. To offer a safer skin-worn alternative, researchers took advantage of a new type of dielectric material made up of ceramic nanoparticles embedded in a stretchy polymer. This new design increases the brightness of the display, allowing it to be read in indoor lighting even at low voltages.
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