OLEDs may soon be a display hanging on your wall, but there are some technical challenges before that happens. DuPont has found a way to produce these panels cheaper and more efficiently. Currently, OLED panels are printed with a a type of ink jet or they are produced with a type of vacuum system. Ether the current techniques produce inconsistent results or they are very expensive. Hopefully DuPonts system will counter both of the current issues.