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← TechnologyWhich emission effect occurs when exceeding the forward current limit of an LED display panel?
A)Efficiency significantly degrades✓
B)Reverse breakdown is imminent
C)Chromaticity shifts towards blue
D)Thermal runaway is mitigated
💡 Explanation
Exceeding design limits creates excessive heat at the P-N junction causing the active region's temperature to rises; this causes Non-Radiative Recombination because the increased thermal energy diminishes radiative recombination efficiency therefore overall light output drops much more rapidly, rather than a shift in its color spectrum.
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