Current Voltage Characteristics of LEDs. Click image for more info.

(a) Current-voltage characteristics of 440 nm GaInN LED measured from 200 K to 450 K. The red-filled circles indicate the onset of high-level injection. (b) Determination of the onset of high-level-injection point as the transition point from an exponential slope to a sub-exponential slope.

Image Credit: Rensselaer Polytechnic Institute.

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