Efficiency Control in Iridium Complex-Based Phosphorescent Light-Emitting Diodes

<table>                              Energy band diagram of CBP : Ir(ppy)<sub>3</sub> and Bepp<sub>2</sub> : Ir(ppy)<sub>3</sub> based green PHOLEDs.</table>

Advances in Materials Science and Engineering

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Figure 13

Figure 13: Efficiency Control in Iridium Complex-Based Phosphorescent Light-Emitting Diodes 