Abstract
A novel bipolar phosphor BZQPG realizes a series of highly efficient orange-red PhOLEDs with the wide-range doping concentrations of 15, 20 and 25 wt%. They exhibit stable CIEx,y (0.57 ± 0.01, 0.41 ± 0.01) and constantly high peak PE and EQE values of >60 lm W−1 and 22%, respectively.
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