PLASMA DISPLAY APPARATUS AND DRIVING METHOD OF PLASMA DISPLAY APPARATUS

Abstract

A plasma display apparatus comprises a plasma display panel, an energy storing unit, a first driver, and a second driver. The plasma display panel includes a first electrode and a second electrode. The energy storing unit supplies a first voltage and a second voltage, or the second voltage. The first driver supplying or recovering an energy corresponding to the first voltage or the second voltage of the energy storing unit through the first electrode during an address period. The second driver supplying or recovering the energy corresponding to the second voltage of the energy storing unit through the second electrode during a sustain period. A level of the first voltage is less than a level of the second voltage.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

The embodiment will be described in detail with reference to the following drawings in which like numerals refer to like elements.

FIG. 1 illustrates a plasma display apparatus according to an embodiment;

FIG. 2 illustrates an example of a circuit of an energy storing unit, a first electrode driver, a second electrode driver, and a second electrode driver in FIG. 1;

FIG. 3 illustrates another example of a circuit of an energy storing unit, a first electrode driver, a second electrode driver, and a second electrode driver in FIG. 1; and

FIG. 4 illustrates still another example of a circuit of an energy storing unit, a first electrode driver, a second electrode driver, and a second electrode driver in FIG. 1.

Claims

1. A plasma display apparatus comprising: a plasma display panel including a first electrode and a second electrode;an energy storing unit supplying a first voltage and a second voltage, or the second voltage;a first driver supplying or recovering an energy corresponding to the first voltage or the second voltage of the energy storing unit through the first electrode during an address period; anda second driver supplying or recovering the energy corresponding to the second voltage of the energy storing unit through the second electrode during a sustain period, wherein a level of the first voltage is less than a level of the second voltage.

2. The plasma display apparatus of claim 1, wherein the energy storing unit includes a capacitor, and the capacitor supplies the second voltage.

3. The plasma display apparatus of claim 1, wherein the energy storing unit includes a plurality of capacitors,at least one of the plurality of capacitors supplies the second voltage, andthe remaining capacitors except at least one of the plurality of capacitors supply the first voltage.

4. The plasma display apparatus of claim 3, wherein the energy storing unit includes a first capacitor, a second capacitor, and a third capacitor,the first capacitor and the second capacitor are connected in serial,the third capacitor is connected in parallel to the first capacitor and the second capacitor, andthe first electrode driver is connected to a common node of the first capacitor and the second capacitor.

5. The plasma display apparatus of claim 1, wherein the energy storing unit includes a plurality of capacitors,at least one of the plurality of capacitors supplies the second voltage,the remaining capacitors except at least one of the plurality of capacitors supply the first voltage, andthe first electrode driver supplies or recovers the energy corresponding to the first voltage through the first electrode and supplies the second voltage to the first electrode.

6. The plasma display apparatus of claim 1, wherein the second electrode includes at least of a scan electrode or a sustain electrode.

7. A plasma display apparatus comprising: a plasma display panel including a first electrode and a second electrode;an energy storing unit supplying a first voltage and a second voltage greater, or the first voltage;a first driver supplying or recovering an energy corresponding to the first voltage or the second voltage of the energy storing unit through an inductor and the first electrode during an address period; anda second driver supplying or recovering the energy corresponding to the second voltage of the energy storing unit through the second electrode during a sustain period, whereina level of the first voltage is less than a level of the second voltage.

8. The plasma display apparatus of claim 7, wherein the first electrode driver includes a first switch and a data driver,the first switch is connected between the energy storing unit and the inductor, and forms a supplying path and a recovering path of the energy when the first switch is turned on, andthe data driver is connected to the inductor, and supplies or recovers the energy corresponding to the first voltage or the second voltage through the first electrode.

9. The plasma display apparatus of claim 7, wherein the energy storing unit includes a capacitor,the capacitor supplies the second voltage corresponding to the energy supplied or recovered through the first electrode driver,the first driver includes a first switch and a data driver,the first switch is connected between the capacitor and the inductor and forms a supplying path of the energy and a recovering path when the first switch is turned on, andthe data driver is connected to the inductor, and supplies or recovers the energy through the first electrode.

10. The plasma display apparatus of claim 7, wherein the energy storing unit includes a plurality of capacitors,at least one of the plurality of capacitors supplies the second voltage,the remaining capacitors except at least one of the plurality of capacitors supply the first voltage,the first electrode driver supplies or recovers the energy corresponding to the first voltage through the first electrode and supplies the first voltage to the first electrode,the first electrode driver includes a first switch and a data driver,the first switch is connected between the remaining capacitors and an inductor, and forms a supplying path of the energy and a recovering path of the energy when the first switch is turned on, andthe data driver is connected to the inductor and supplies or recovers the energy corresponding to the first voltage through the first electrode.

11. The plasma display apparatus of claim 10, wherein the first electrode driver further includes a second switch, andthe second switch supplies a data voltage, supplied by an outside voltage source, to the first electrode through the data driver.

12. The plasma display apparatus of claim 10, wherein the first electrode driver further includes a second switch, andthe second switch supplies the second voltage, supplied by at least one, to the first electrode through the data driver.

13. The plasma display apparatus of claim 10, wherein the energy storing unit includes a first capacitor, a second capacitor, and a third capacitor,the first capacitor and the second capacitor are connected in serial,the third capacitor is connected in parallel to the first capacitor and the second, andthe first electrode driver is connected to a common node of the first capacitor and the second capacitor.

14. The plasma display apparatus of claim 10, wherein the rest capacitors except at least one of the plurality of capacitors includes a first capacitor connected to the first electrode driver, and a second capacitor connected to the first capacitor, anda capacitance of the second capacitor is greater than a capacitance of the first capacitor.

15. A driving method of a plasma display apparatus including an energy storing unit, a first electrode and a second electrode, comprising: supplying or recovering an energy corresponding to a first voltage or second voltage supplied by the energy storing unit through the first electrode during an address period; andsupplying or recovering the energy corresponding to the second voltage supplied by the energy storing unit through the second electrode during a sustain period, whereina level of the first voltage is less than a level of the second voltage.

16. The driving method of claim 15, further comprising supplying the energy corresponding to the second voltage to the first electrode, supplying a constant voltage to the first electrode, recovering the energy corresponding to the second voltage from the first electrode to the energy storing unit, and supplying a ground level voltage to the first electrode during the address period.

17. The driving method of claim 15, further comprising supplying the energy corresponding to the first voltage to the first electrode, supplying a constant voltage to the first electrode, recovering the energy corresponding to the first voltage from the first electrode to the energy storing unit, and supplying a ground level voltage to the first electrode during the address period.

18. The driving method of claim 15, further comprising supplying the energy corresponding to the first voltage to the first electrode, supplying the second voltage to the first electrode, recovering the energy corresponding to the first voltage from the first electrode to the energy storing unit, andsupplying a ground level voltage to the first electrode during the address period.