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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