Patent ID: 7791575

Claim:
A driving circuit for providing transition controlled voltage driving of image data levels of a display panel including a plurality of pixels, comprising: a selecting signal generator to generate a plurality of selecting signals through a plurality of channels according to a first and a second pixel data corresponding to previous and current images, respectively, at timing intervals during the transition for driving pixel data voltage from previous to current levels, wherein each of the plurality of selecting signals is carried by one of the plurality of channels and the plurality of selecting signals are generated serially through each of the plurality of channels; a voltage divider, coupled across data voltage levels corresponding to said first and second pixel data, to provide a plurality of sub-transition voltages between said data voltage levels by divider steps; a voltage selector coupled to receive the plurality of sub-transition voltages and the selecting signals, and to selectively output at least a portion of the plurality of sub-transition voltages serially according to the selecting signals; and a drive buffer coupled to receive the outputted sub-transition voltages serially and to serially generate a plurality of sub-transition driving voltages according to the outputted sub-transition voltages at a plurality of interval times during a transition time period, wherein the driving pixel data voltage from said first data voltage corresponding to said first pixel data, to said second data voltage corresponding to said second pixel data, follow said divider steps at the plurality of interval times governed by said sub-transition voltages and said selecting signals.