Method of driving plasma display apparatus

Abstract

A method of driving a plasma display apparatus is disclosed. In the method, a scan pulse is applied to a scan electrode during an address period, and a data pulse corresponding to the scan pulse is applied to an address electrode during the address period. The scan pulse falls from a scan reference voltage to a first intermediate voltage, is maintained at the first intermediate voltage, and falls from the first intermediate voltage to a scan voltage.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

The accompany drawings, which are included to provide a further understanding of the invention and are incorporated on and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention.

FIG. 1 illustrates a plasma display apparatus according to embodiments;

FIG. 2 illustrates one example of the structure of a plasma display panel of the plasma display apparatus according to the embodiments;

FIG. 3 is a timing diagram for illustrating a time-division driving method with one frame being divided into a plurality of subfields;

FIGS. 4 a and 4b illustrate a driving waveform generated by a driving method of a plasma display apparatus according to a first embodiment;

FIGS. 5 b and 5b illustrate a driving waveform generated by a driving method of a plasma display apparatus according to a second embodiment;

FIGS. 6 a and 6b illustrate a driving waveform generated by a driving method of a plasma display apparatus according to a third embodiment; and

FIGS. 7 a and 7b illustrate a driving waveform generated by a driving method of a plasma display apparatus according to a fourth embodiment.

Claims

1. A method of driving a plasma display apparatus comprising: applying a scan pulse to a scan electrode during an address period, the scan pulse falling from a scan reference voltage to a first intermediate voltage, being maintained at the first intermediate voltage, and falling from the first intermediate voltage to a scan voltage; andapplying a data pulse corresponding to the scan pulse to an address electrode during the address period.

2. The method of claim 1, wherein the scan pulse rises from the scan voltage to a second intermediate voltage, is maintained at the second intermediate voltage, and rises from the second intermediate voltage to the scan reference voltage.

3. The method of claim 1, wherein a data voltage of the data pulse is applied to the address electrode during the application of the scan voltage of the scan pulse to the scan electrode.

4. The method of claim 2, wherein an absolute value of the first intermediate voltage is substantially equal to an absolute value of the second intermediate voltage.

5. The method of claim 1, wherein a sustain pulse alternately having a positive voltage and a negative voltage is applied to the scan electrode and a ground level voltage is applied to a sustain electrode during a sustain period which follows the address period.

6. The method of claim 1, wherein a sustain pulse alternately having a positive voltage and a negative voltage is applied to a sustain electrode and a ground level voltage is applied to the scan electrode during a sustain period which follows the address period.

7. A method of driving a plasma display apparatus comprising: applying a first scan pulse to a scan electrode during an address period; andapplying a second scan pulse later than the first scan pulse to the scan electrode during the address period, wherein an absolute value of a first scan voltage of the first scan pulse is less than an absolute value of a second scan voltage of the second scan pulse.

8. The method of claim 7, wherein a sustain pulse alternately having a positive voltage and a negative voltage is applied to the scan electrode and a ground level voltage is applied to a sustain electrode during a sustain period which follows the address period.

9. The method of claim 8, wherein an absolute value of the negative voltage of the sustain pulse is more than an absolute value of a scan reference voltage of the second scan pulse, and is less than an absolute value of the second scan voltage of the second scan pulse.

10. The method of claim 7, wherein a sustain pulse alternately having a positive voltage and a negative voltage is applied to a sustain electrode and a ground level voltage is applied to the scan electrode during a sustain period which follows the address period.

11. The method of claim 10, wherein an absolute value of the negative voltage of the sustain pulse is more than an absolute value of a scan reference voltage of the second scan pulse, and is less than an absolute value of the second scan voltage of the second scan pulse.

12. The method of claim 7, wherein the second scan pulse falls from a scan reference voltage to a first intermediate voltage, is maintained at the first intermediate voltage, and falls from the first intermediate voltage to the second scan voltage.

13. The method of claim 12, wherein the second scan pulse rises from the second scan voltage to a second intermediate voltage, is maintained at the second intermediate voltage, and rises from the second intermediate voltage to the scan reference voltage.

14. The method of claim 12, wherein a data voltage of a data pulse corresponding to the second scan pulse is applied to the address electrode during the application of the second scan voltage of the second scan pulse to the scan electrode.

15. The method of claim 13, wherein an absolute value of the first intermediate voltage is substantially equal to an absolute value of the second intermediate voltage.

16. The method of claim 12, wherein the first scan pulse falls from the scan reference voltage to a third intermediate voltage, is maintained at the third intermediate voltage, and falls from the third intermediate voltage to the first scan voltage.

17. The method of claim 16, wherein the first scan pulse rises from the first scan voltage to a fourth intermediate voltage, is maintained at the fourth intermediate voltage, and rises from the fourth intermediate voltage to the scan reference voltage.

18. The method of claim 16, wherein a data voltage of a data pulse corresponding to the first scan pulse is applied to the address electrode during the application of the first scan voltage of the first scan pulse to the scan electrode.

19. The method of claim 17, wherein an absolute value of the third intermediate voltage is substantially equal to an absolute value of the fourth intermediate voltage.