International Journal of Photoenergy / 2012 / Article / Tab 1

Research Article

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

Table 1

Performance of the WOLEDs with different MoO3 doping concentrations.

Doping concentrationCurrent densitya (mA·cm−2)Driving voltageb (V)Max. EQE
(%)
PEb (lm·W−1)CIE 1931 ( ) chromatic coordinatescCRIc

50%2225.68.17.1(0.4134, 0.3729)85
25%2305.68.47.4(0.4303, 0.3893)86
10%2105.68.97.5(0.4339, 0.3837)84
5%1655.79.37.9(0.4325, 0.3837)84
undoped736.89.56.2(0.4596, 0.3826)84

aAt 10 V.
bAt luminance of 1,000 cd·m−2.
cAt current density of 153 mA·cm−2.

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