A method of making an OLED display having at least first, second, and third differently colored pixels includes providing a first light-emitting layer over a substrate for the first and second pixels and a providing a second light-emitting layer over the substrate for the third pixel wherein the first...http://www.google.fr/patents/US7439670?utm_source=gb-gplus-shareBrevet US7439670 - Making multicolor OLED displays
