| 摘要 |
A plasma display device is provided to prevent damages to sustain electrodes adjacent to a conductive connection pad by coupling Z sustain boards via a differential current coupling unit. A plasma display device includes a PDP(Plasma Display Panel,400), at least two Z sustain boards(480a,480b), and a differential current coupling unit(690). The PDP includes sustain electrodes, which are commonly connected to a conductive connection pad. The Z sustain boards drive the sustain electrodes. The differential current coupling unit electrically couples the Z sustain boards with each other and flows a current, which corresponds to the driving difference between the Z sustain boards. The resistance of the differential current coupling unit is smaller than the resistance of the connection pad. The differential current coupling unit is one of a PCB(Printed Circuit Board), an FPCB(Flexible Printed Circuit Board), and a conductive metal.
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