Super-thin electronic skin lights up a digital display on your hand
In a study published in Science Advances, researchers created organic polymer light-emitting diodes (PLEDs) — small sheets of energy-efficient lights — in three colors: red, green, and blue. When hit with electrical pulses, these lights can turn on and off, mimicking pixels on a normal screen.
Source : Super-thin electronic skin lights up a digital display on your hand | The Verge