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← ScienceWhich mechanism accelerates degradation of organic light-emitting diode (OLED) displays as capacitance increases?
A)Increased reverse bias spiking✓
B)Elevated piezoelectric stress
C)Enhanced electromigration effects
D)Augmented parasitic inductance losses
💡 Explanation
When capacitance increases, the reverse bias spiking becomes more prominent during switching because parasitic capacitance stores energy that discharges rapidly, leading to larger voltage spikes and accelerated degradation. Therefore, increased reverse bias spiking results, rather than piezoelectricity, electromigration, or inductance, which are caused by different physical phenomena.
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