An organic light emitting device is provided. The device includes an anode, a cathode, and an organic emissive stack disposed between the anode and the cathode. The device may be a “pixel” in a display, capable of emitting a wide variety of colors through the use of independently addressable “sub-pixels,”...http://www.google.com/patents/US8053770?utm_source=gb-gplus-sharePatent US8053770 - Emissive layer patterning for OLED
