OLEDs is becoming mainstream technology for display applications. Though evaporation-based OLEDs have been a great success in medium-size display, for example for handy, new technology is still needed for large-size display. IJP-OLEDs (Ink-Jet Printed OLEDs) is the most promising technology for large-size display. In this talk, the different technologies are compared at first, and then the latest development on soluble materials, especially blue materials for IJP-OLEDs is reported.
