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Resolution: standard / high Figure 3.
Electrical characteristics of blue PHOLEDs. The luminance versus voltage characteristics (inset: current density versus voltage
characteristics) of devices A, B, C, and D. The dotted circle on the graph shows reduction
in the turn-on voltage from 3.5 V of the reference device (device A) to 2.5 V of the
MQW structure device (device D).
Lee et al. Nanoscale Research Letters 2012 7:23 doi:10.1186/1556-276X-7-23 |