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

<table>Energy level diagram of the Bebq<sub>2</sub> fluorescent host and Ir(phq)<sub>2</sub> acac and Ir(piq)<sub>3</sub> red phosphorescent dopant materials.</table>

Advances in Materials Science and Engineering

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Figure 10

Figure 10: Efficiency Control in Iridium Complex-Based Phosphorescent Light-Emitting Diodes 