Drive circuit for plasma display panel

Details Drive circuit for plasma display panel Drive circuit for plasma display panel

2006-02-07

2006-02-07

Tran, Thuy V. (Department: 2821)

Electric lamp and discharge devices: systems

Plural power supplies

Plural cathode and/or anode load device

C345S060000, C345S067000

Reexamination Certificate

active

06995521

ABSTRACT:
Two sustain driver circuits are provided: a first sustain driver circuit for both controlling the potential on the scan electrode side and effecting control such that, when the scan electrode side is at the power-supply potential, this potential is used to raise the potential on the sustain electrode side; and a second sustain driver circuit for both controlling the potential on the sustain electrode side and effecting control such that, when the sustain electrode side is at the power-supply potential, this potential is used to raise the potential of the scan electrode side. When the scan electrode side is at the power-supply potential, control is effected such that current flows from the first sustain driver circuit to the second sustain driver circuit by way of a third switching element and first coil, whereby the potential of the scan electrode side falls and the potential of the sustain electrode side rises. When the sustain electrode side is at the power-supply potential, on the other hand, control is effected such that current flows from the second sustain driver circuit to the first sustain driver circuit by way of a sixth switching element and a second coil, whereby the potential of the sustain electrode side falls and the potential of the scan electrode side rises.

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