Patent ID: 7319441
Filing Date: 2008-01-15
Classification: G09G

Abstract:
1. A supply device for supplying an array of electrodes of a plasma display panel provided with a two-dimensional matrix of discharge cells, the supply device comprising: a sustain pulse generator which generates, between a reference terminal and at least one supply terminal that can be connected to the electrodes, positive sustain pulses, the sustain pulse generator being provided with a module for recovering or re-injecting, using a resonant inductor, capacitive energy at the rising or falling edges of said positive sustain pulses, wherein the sustain pulse generator allows electrical current to flow between the reference terminal and the supply terminal of the sustain pulse generator when a negative voltage is applied between the supply terminal and the reference terminal; at least one negative voltage generator which generates a negative voltage between the reference terminal and a second supply terminal that can be connected to the electrodes; for each electrode of the array, a driver which connects, on command, the supply terminal of the sustain pulse generator and/or the second supply terminal of the at least one negative voltage generator to the electrode, the driver comprising: wherein the supply device further comprises a power switch between the upper power terminal of the drivers and the lower power terminal, and