Research Article

Improvement of Power Efficiency in Phosphorescent White Organic Light-Emitting Diodes Using p-Doped Hole Transport Layer

Figure 5

(a) Power efficiency versus luminance characteristics and (b) power efficiency and external quantum efficiency of WOLEDs at 1,000 cd·m−2 with different MoO3 doping concentrations.
581421.fig.005a
(a)
581421.fig.005b
(b)