Fig. 2From: Micro multi-nozzle jet coating of organic thin film for organic light-emitting diode lighting devicesThe fabrication flow diagram of the OLED lighting device: a ITO electrode patterning, b PEDOT:PSS layer (HIL) coating using a micro multi-nozzle jet head, c NPB patterning, d Alq3 patterning, e LiF/Al patterning, and f encapsulationBack to article page