Research Article

Tailoring the Spectra of White Organic Light-Emitting Devices by Trap Effect of a Concentration-Insensitive Dopant

Figure 6

Current efficiency-current density characteristics of devices B1, B2, B3, B4, and B5 (a) and power efficiency-current density characteristics of the devices (b).
392408.fig.006a
(a)
392408.fig.006b
(b)