Improvement of electro-optic performances in white organic light emitting diodes with color stability by buffer layer and multiple dopants structure

Kou Zhi-Qi^†, Tang Yu, Yang Li-Ping, Yang Fei-Yu, Guo Wen-Jun

(color online) (a) Curves of current density and luminance versus voltage of devices A3, B1, B2, and C1 and (b) curves of power efficiency and current efficiency versus current density of devices A3, B1, B2, and C1.