OLEDs were sold to us as being cheaper and better than traditional LEDs, but they hit a bottleneck on the way to market: The high price of production. Partly the big price tag was due to indium tin oxide, which is used as an electrode in these energy-saving lights – and which is added to them via a painstaking, expensive process. A new method could simplify that process, producing OLEDs in a way that “faster, easier and cheaper.” More