Illinois Featured Content

  • Dual-function nanorod LEDs could make multifunctional displays

    Feb 10, 2017 9:45 am by Liz Ahlberg TouchstoneResearch
    A laser stylus writes on a small array of multifunction pixels made by dual-function LEDs than can both emit and respond to light. Photo courtesy of Moonsub Shim

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    • A laser stylus writes on a small array of multifunction pixels made by dual-function LEDs than can both emit and respond to light. Photo courtesy of Moonsub Shim

    Cellphones and other devices could soon be controlled with touchless gestures and charge themselves using ambient light, thanks to new LED arrays that can both emit and detect light.