Blue OLEDs may have been garnering the lion's share of researchers' attention as of late, but it looks like a group of researchers led by Akiyoshi Mikami of the Kanazawa Institute of Technology are doing their part to keep green side of things up to speed, and they've now announced that they've managed to more than double the efficiency of green phospor-based OLEDs. That was apparently achieved at least in part though the use of a 0.7mm-thick glass plate with a refraction
