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

<table>Current efficiency-current density characteristics of devices A1, A2, A3, A4, and A5 (a) and power efficiency-current density characteristics of the devices (b).</table>

International Journal of Photoenergy

fig3

Figure 3

Figure 3: Tailoring the Spectra of White Organic Light-Emitting Devices by Trap Effect of a Concentration-Insensitive Dopant 