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Performance characteristics of blue and orange OLEDs. (A) Current-density and optical power vs. voltage characteristics for blue and orange devices under DC and 10 kHz square-wave operation. (B) Optical output power vs. time for blue and orange OLEDs under DC and 10 KHz square-wave operation. (C) Peak optical power (mean ± sem) under DC and square-wave operation for measurement times of varying length.
