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

<table>EL spectra of devices B1, B2, B3, B4, and B5 at bias voltage of 8 V. Inset: EL spectra of device B3 driven by different bias voltages.</table>

International Journal of Photoenergy

Figure 5: Tailoring the Spectra of White Organic Light-Emitting Devices by Trap Effect of a Concentration-Insensitive Dopant 