Abstract
Power dissipation in the driver circuit of liquid-crystal display is
analyzed when the display is scanned with a multi-line addressing (MLA) technique
that is based on Rademacher functions. We have considered the binary addressing
technique (BAT), hybrid addressing technique (HAT), and improved HAT (IHAT)
to obtain, the extreme as well as the average, power dissipation in the driver
circuit. Closed-form expression for power dissipation is also obtained for
these techniques; when the number of transitions in the addressing waveforms
is forced to be independent of the state of the pixels by introducing duty
cycle in select and data pulses. An improvement in the brightness uniformity
can be achieved among pixels that are driven to the same state without increasing
the average power dissipation by introducing duty cycle in the addressing
waveforms.
© 2008 IEEE
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