Scientists at Ghent University have developed a tiny curved liquid crystal display (LCD) that can potentially be embedded inside a contact lens. Light emitting diodes (LED) have been integrated into contact lenses before (see flashbacks below), but an LCD screen can provide a higher resolution at small scales.
According to Jelle De Smet, lead researcher on the project, “the main challenge was to create a very thin, spherically curved substrate with active layers that could withstand the extreme molding processes.” The lens technology is still far from seeing practical application as it will probably need to use novel methods of being powered and receiving a signal.