Device and method for driving plasma display panel
AssigneeLG Electronics Inc.
InventorGeun Soo Lim
Life of this patent
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Abstract
Device and method for driving a plasma display panel, wherein scanning pulses are progressively applied to the plurality of scanning/sustain electrode lines divided and driving in two or more than two blocks such that the scanning pulses are overlapped to each other, and first data pulses each with a first logic value and second data pulses each with a second logic value each having a data pulse width different from the first data pulse, are progressively applied to the plurality of address electrode lines, for causing address discharges at the plurality of discharge cells selectively, thereby permitting fast addressing, and minimizing power consumption.
Claims15
A method for driving a plasma display panel having a matrix of a plurality of discharge cells formed by a plurality of scanning/sustain electrode lines and a common sustain electrode line in parallel, and a plurality of address electrode lines crossed with the scanning/sustain electrode lines and the common sustain electrode line, comprising the steps of:
- (a) discharging, and initializing the plurality of discharge cells;
- (b) generating a plurality of data pulses based on input data signals and applying the plurality of data pulses to the address electrode lines, a width of each of the plurality of data pulses being based on a logic value of at least one of the input data signals, wherein if a first one of the input data signals has a first logic value then the width of a corresponding one of the data pulses is a first data pulse width and if a second one of the input data signals has a second logic value then the width of a corresponding one of the data pulses is a second data pulse width, and if two consecutive input data signals have the first logic value then the width of a corresponding one of the data pulses is a third data pulse width, wherein said first logic value is different from said second logic value, the first data pulse width is greater than the second data pulse width, and the third data pulse width is different than the first data pulse width and the second data pulse width;
- and
- (c) applying scanning pulses having a pulse width identical to the first data pulse width, wherein the scanning pulses progressively applied to the plurality of scanning/sustain electrode lines are overlapped for a preset time with respect to each other.
A method for driving a plasma display panel having a plurality of discharge cells formed by a plurality of scanning/sustain electrode lines and a common sustain electrode line, and a plurality of address electrode lines traversing the scanning/sustain electrode lines and the common sustain electrode line, the method comprising:
- generating a plurality of data pulses based on input data signals and applying the plurality of data pulses to the address electrode lines, a width of each of the plurality of data pulses being based on a logic value of at least one of the input data signals, wherein if a first one of the input data signals has a first logic value then the width of a corresponding one of the data pulses is a first data pulse width and if a second one of the input data signals has a second logic value then the width of a corresponding one of the data pulses is a second data pulse width, and if two consecutive input data signals have the first logic value then the width of a corresponding one of the data pulses is a third data pulse width, wherein said first logic value is different from said second logic value, the first data pulse width is greater than the second data pulse width, and the third data pulse width is different than the first data pulse width and the second data pulse width;
- and
- applying scanning pulses having a pulse width substantially identical to the first pulse width, a first one of the scanning pulses applied to a first one of the plurality of scanning/sustain electrode lines being overlapped for a preset time as compared to a second one of the scanning pulses applied to a second one of the plurality of scanning/sustain electrode lines.
Dependencies are inferred from the claim text.