Abstract
A current-biased voltage-programmed (CBVP) pixel circuit for
active-matrix organic light-emitting diode (AMOLED) displays is proposed.
The pixel circuit can not only ensure an accurate and fast compensation
for the threshold voltage variation and degeneration of the driving
TFT and the OLED, but also provide the OLED with a negative bias during
the programming period. The negative bias prevents the OLED from a
possible light emitting during the programming period and potentially
suppresses the degradation of the OLED.
© 2015 IEEE
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