Figure 5
From: Carbon Nanotube Driver Circuit for 6 × 6 Organic Light Emitting Diode Display

Structure and characteristics of a standard Alq3 green OLED.
(a) Schematic diagram of the green OLED with the structure of ITO/MoO3/NPB/Alq3/LiF/Al. (b) The OLED luminance and current density versus the applied voltage on the OLED.