Plasma display apparatus
AssigneeFujitsu Hitachi Plasma Display Limited
InventorsMakoto Onozawa, Michitaka Ohsawa, Tomokatsu Kishi, Yoshikazu Kanazawa
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Abstract
A plasma display apparatus, in which a sustain output device (transistor) with a voltage rating in accordance with the sustain voltage can be used even when a voltage greater than the sustain voltage is applied to a sustain electrode in the reset period and the address period, has been disclosed, wherein, an X or a Y drive circuit, to which a voltage greater than the sustain voltage is applied, comprises a first switch provided between a second sustain drive transistor and the supply source of a second voltage, and the voltage is supplied to the sustain drive transistor in the state in which the first switch is open.
Claims20
A plasma display apparatus comprising a display panel having first electrodes and second electrodes arranged adjacent, by turns, in a direction intersecting third electrodes, an X drive circuit that drives the first electrode, and a Y drive circuit that drives the second electrode, wherein a first voltage and a second voltage are applied alternately to the first electrode and the second electrode to cause a sustain discharge to occur between the first electrode and the second electrode;
- the X drive circuit and the Y drive circuit have a first sustain drive transistor, one of the terminals of which is connected to the first electrode or the second electrode, and the first voltage is supplied to the other terminal, and a second sustain drive transistor, one of the terminals of which is connected to the first electrode or the second electrode, and the second voltage is supplied to the other terminal, respectively;
- a third voltage, the voltage difference from the second voltage being greater than the voltage difference between the first voltage and the second voltage, is applied at least to either of the first electrode or the second electrode;
- the X drive circuit or the Y drive circuit, to which the third voltage is applied, comprises a first switch provided between the second sustain drive transistor and the supply source of the second voltage;
- and the third voltage is supplied to the first or the second sustain drive transistor in the state in which the first switch is open.
A plasma display apparatus comprising a display panel having first electrodes and second electrodes arranged adjacent by turns in a direction intersecting third electrodes, an X drive circuit that drives the first electrode, and a Y drive circuit that drives the second electrode, wherein a first voltage and a second voltage are applied alternately to the first electrode and the second electrode to cause a sustain discharge to occur between the first electrode and the second electrode;
- the X drive circuit and the Y drive circuit have a first sustain drive transistor, one of the terminals of which is connected to the first electrode or the second electrode, and the first voltage is supplied to the other terminal, and a second sustain drive transistor, one of the terminals of which is connected to the first electrode or the second electrode, and the second voltage is supplied to the other terminal, respectively;
- a third voltage, the voltage difference from the first voltage being greater than the voltage difference between the second voltage and the first voltage, is applied at least to either of the first electrode or the second electrode;
- the X drive circuit or the Y drive circuit, to which the third voltage is applied, comprises a first switch provided between the first sustain drive transistor and the supply source of the first voltage;
- and the third voltage is supplied to the first or the second sustain drive transistor in the state in which the first switch is open.
Dependencies are inferred from the claim text.