Nokia touchscreen creates texture illusion

 作者:介授     |      日期:2017-05-21 04:01:00
IMAGINE shopping online and feeling the texture of wool, denim or leather garments as you run your fingers across the surface of your touchscreen phone. To create such an experience, Piers Andrew at Nokia Labs in Cambridge, UK, placed two thin, transparent layers above a normal liquid crystal display (LCD). When someone touches the upper layer, an alternating voltage produced by the lower, conducting layer attracts their finger with varying strength, fooling touch receptors: the faster the voltage switches, the smoother the screen feels. The team has already mimicked various textiles, gravel, building stone and leaves,