Method and apparatus for driving capacitive load, and LCD

Details Method and apparatus for driving capacitive load, and LCD Method and apparatus for driving capacitive load, and LCD

2011-01-04

2011-01-04

Nguyen, Kevin M (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S091000

Reexamination Certificate

active

07864147

ABSTRACT:
A potential supplied from a capacitive load drive unit to one end of a respective capacitive load is switched to an intermediate potential between a first and a second power supply potentials for a predetermined period of time prior to switching the potential of the one end of the capacitive load from the first to the second power supply potential, or vice versa, which minimizes charging and discharging currents of the load, variations of the potential supplied to the capacitive load, and hence power consumption involved, without providing a charging capacitor having a large capacitance in the capacitive load drive unit.

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International Search Report for PCT Application No. PCT/JP2006/300570; mailed on Apr. 18, 2006.

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