The materials for OLEDs are expensive because the materials used in the manufacturing of OLEDs require levels of purity that are not normally available. The yield rates for the manufacturing process are very poor too. It is not yet economically feasible to buid and sell OLEDs, or you'd...
No, really Brett I don't need to do more research. I work for a flat panel display manufacturer that has an subsidiary working solely on OLED technology. Trust me when I say the technology is not ready for the mainstream. There are still problems with the technology. Differential aging...
OLED is Organic Light Emitting Diode. I hope no one is holding their breath for injet printable OLEDs. While it would be the silver bullet of displays it's not coming anytime soon. As for the other variants of OLED dispalys they're still plagued with lots of problems and are very expensive...