Fingernail Display a Handy Technology For Future Touch Screens
Description:The prototype is mounted on a clunky thumb ring, but for fat-fingered smart-screen users, it could herald a breakthrough. The display is designed to reveal screen images or characters obscured by a thumb or a finger. One day, says Professor Chen -Bing Yu, the prototype will have evolved into an organic light-emitting coating that can be painted onto a fingernail, transforming it an interactive display screen..(1:38)