Method of driving a plasma display panel in which the width of display sustain pulse varies
AssigneeSamsung SDI Co., Ltd.
InventorsKyoung-Ho Kang, Seung-Hun Chae
Life of this patent
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Abstract
A plasma display panel driving method, in which a reset step, an address step, and a display sustaining step are performed on unit subfields, is provided. In the reset step, the charge states of display cells to be driven are uniformed. In the address step, wall charges with a predetermined voltage are formed on only display cells to be turned on. In the display sustaining step, alternating current pulses are applied to all of the display cells, so that only the display cells having the wall charges perform display discharge. In embodiments, the width of AC pulses and portions of the pulses applied to all of the display cells varies in the display sustaining step.
Claims20
A method for driving a plasma display panel, the method comprising:
- a reset step of arranging uniformly the charge states of display cells to be driven;
- an address step of forming wall charges with a predetermined voltage on only display cells to be turned on;
- and
- a display sustaining step of applying alternating current (AC) pulses to all of the display cells so that only the display cells having the wall charges perform display discharge,
- wherein the width of AC pulses applied to all of the display cells varies in the display sustaining step.
A driving method for a 3-electrode plasma display panel having a front transparent substrate, X electrode lines and Y electrode lines disposed parallel to one another on the rear surface of the front transparent substrate in such a way that the X electrode lines alternate with the Y electrode lines in order to obtain XY electrode line pairs, a rear transparent substrate, address electrode lines disposed on the front surface of the rear transparent substrate so as to intersect the XY electrode line pairs, and display cells defined at the intersections, the driving method comprising:
- a reset step of creating uniformly the charge states of display cells to be driven;
- an address step of forming wall charges with a predetermined voltage on only display cells to be turned on;
- and
- a display sustaining step of applying alternating current pulses to all of the display cells so that only the display cells having the wall charges perform display discharge,
- wherein the width of AC pulses applied to all of the display cells varies in the display sustaining step.
A driving method for a 3-electrode plasma display panel having a front transparent substrate, X electrode lines and Y electrode lines disposed parallel to one another on the rear surface of the front transparent substrate in such a way that the X electrode lines alternate with the Y electrode lines in order to obtain XY electrode line pairs, a rear transparent substrate, address electrode lines disposed on the front surface of the rear transparent substrate so as to intersect the XY electrode line pairs, and display cells defined at the intersections, the driving method comprising:
- a reset step of creating uniformly the charge states of display cells to be driven;
- an address step of forming wall charges with a predetermined voltage on only display cells to be turned on;
- and
- a display sustaining step of applying alternating current (AC) pulses to all of the display cells so that only the display cells having the wall charges perform display discharge,
- wherein the pulse period of AC pulses applied to all of the display cells is constant in the display sustaining step, and
- wherein a portion of the AC pulses varies, the portion substantially at a sustain voltage level Vs.
Dependencies are inferred from the claim text.