3-D touchless interactive display detects finger humidity to change color
Wednesday, July 29, 2020 - 10:30
in Physics & Chemistry
A novel three-dimensional (3-D) touchless interactive display can change color based on the distance of the user's finger from the screen by detecting subtle shifts in ambient relative humidity, according to a new study. The technology may find future applications in wearable electronics and electronic skins (e-skins) that artificially mimic human skin's ability to sense pressure, temperature, and humidity. While scientists have already developed a variety of interactive touch displays, most of these involve variations in the intensity of light emission or chromic reflection in response to a stimulus rather than changes in color, which can provide more striking and distinct visual feedback.