International Journal of Photoenergy / 2012 / Article / Fig 3

Research Article

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

Figure 3

(a) Chemical structure of the organic materials, (b) device structure, and (c) schematic energy level diagram of WOLEDs.
581421.fig.003a
(a)
581421.fig.003b
(b)
581421.fig.003c
(c)

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