Plasma display panel and plasma display apparatus including the same

Abstract

Provided is a plasma display panel comprising a front substrate, a sealing layer that seals a discharge gas, and phosphor layers on the sealing layer without a rear substrate formed of glass, thereby improving brightness and luminous efficiency and a plasma display apparatus including the plasma display panel. The plasma display panel includes: a substrate; barrier ribs formed on the substrate and defining a plurality of discharge cells; pairs of discharge electrodes disposed in the barrier ribs and generating a discharge in the discharge cells; a sealing layer, along with the substrate, sealing the discharge cells; first phosphor layers disposed on the substrate in the discharge cells; and second phosphor layers disposed on the sealing layer in the discharge cells.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

The above and other features and advantages of the present embodiments will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings in which:

FIG. 1 is an exploded perspective view of a conventional plasma display panel;

FIG. 2 is a partially exploded perspective view of a plasma display panel according to an embodiment;

FIG. 3 is a partial cross-sectional view taken along a line III-III of FIG. 2, according to an embodiment;

FIG. 4 is a layout diagram of discharge cells and first and second discharge electrodes of the plasma display panel illustrated in FIG. 2, according to an embodiment;

FIG. 5 is a partial cross-sectional view of a plasma display panel having a three-electrode structure according to another embodiment;

FIG. 6 is a layout diagram of discharge cells, first and second discharge electrodes, and address electrodes of the plasma display panel illustrated in FIG. 5, according to an embodiment;

FIG. 7 is a layout cross-sectional view of the plasma display panel illustrated in FIG. 2 to explain a method of manufacturing the plasma display panel;

FIG. 8 is a partially exploded perspective view of a plasma display panel according to another embodiment;

FIG. 9 is a partial cross-sectional view taken along a line IX-IX of FIG. 8, according to another embodiment; and

FIG. 10 is a partial cross-sectional view of a plasma display apparatus according to another embodiment.

Claims

1. A plasma display panel comprising: a substrate;barrier ribs formed on the substrate configured to define a plurality of discharge cells;pairs of discharge electrodes disposed in the barrier ribs configured to generate a discharge in the discharge cells;a sealing layer configured to seal the discharge cells;first phosphor layers disposed on the substrate in the discharge cells; andsecond phosphor layers disposed on the sealing layer in the discharge cells.

2. The plasma display panel of claim 1, wherein the sealing layer is formed of a dielectric substance.

3. The plasma display panel of claim 2, wherein the sealing layer includes at least one selected from a group consisting of SiO2, Al2O3, TiO2, BaO, CaO, B2O3, ZnO, R2O, PbO, Bi2O3 and a combination thereof.

4. The plasma display panel of claim 1, wherein the sealing layer is formed of the same material as that of the barrier ribs.

5. The plasma display panel of claim 1, wherein the sealing layer is integrally formed with the barrier ribs.

6. The plasma display panel of claim 1, wherein the pairs of discharge electrodes include first discharge electrodes and second discharge electrodes that extend to cross each other.

7. The plasma display panel of claim 6, wherein the first discharge electrodes and the second discharge electrodes extend to surround at least a part of the discharge cells disposed in a direction.

8. The plasma display panel of claim 1, further comprising address electrodes extending to cross the pairs of discharge electrodes, wherein the pairs of discharge electrodes include first discharge electrodes and second discharge electrodes that extend parallel to each other,

9. The plasma display panel of claim 8, wherein the first discharge electrodes and the second discharge electrodes oppose each other toward the discharge cells.

10. The plasma display panel of claim 8, wherein the first discharge electrodes and the second discharge electrodes extend to surround at least a part of the discharge cells disposed in a direction.

11. The plasma display panel of claim 8, wherein the address electrodes are immersed in the sealing layer.

12. The plasma display panel of claim 1, further comprising grooves with a predetermined depth formed on the substrate facing the discharge cells, wherein the first phosphor layers are disposed in the grooves.

13. The plasma display panel of claim 1, further comprising grooves with a predetermined depth formed on the sealing layer facing the discharge cells, wherein the second phosphor layers are disposed in the grooves.

14. A plasma display apparatus comprising: a substrate;barrier ribs formed on the substrate configured to define a plurality of discharge cells;pairs of discharge electrodes disposed in the barrier ribs configured to generate a discharge in the discharge cells;a sealing layer configured to seal the discharge cells;first phosphor layers disposed on the substrate in the discharge cells;second phosphor layers disposed on the sealing layer in the discharge cells; anda chassis disposed in a side portion of the sealing layer configured to support the substrate.

15. The plasma display apparatus of claim 14, wherein the sealing layer is formed of a dielectric substance.

16. The plasma display apparatus of claim 15, wherein the sealing layer includes at least one selected from a group consisting of SiO2, Al2O3, TiO2, BaO, CaO, B2O3, ZnO, R2O, PbO, Bi2O3 and a combination thereof.

17. The plasma display apparatus of claim 14, wherein the sealing layer is formed of the same material as that of the barrier ribs.

18. The plasma display apparatus of claim 14, wherein the sealing layer is integrally formed with the barrier ribs.

19. The plasma display apparatus of claim 14, wherein the pairs of discharge electrodes include first discharge electrodes and second discharge electrodes that extend to cross each other.

20. The plasma display apparatus of claim 19, wherein the first discharge electrodes and the second discharge electrodes extend to surround at least a part of the discharge cells disposed in a direction.

21. The plasma display apparatus of claim 14, further comprising: address electrodes extending to cross the pairs of discharge electrodes, wherein the pairs of discharge electrodes include first discharge electrodes and second discharge electrodes that extend parallel to each other,

22. The plasma display apparatus of claim 21, wherein the first discharge electrodes and the second discharge electrodes oppose each other toward the discharge cells.

23. The plasma display apparatus of claim 21, wherein the first discharge electrodes and the second discharge electrodes extend to surround at least a part of the discharge cells disposed in a direction.

24. The plasma display apparatus of claim 21, wherein the address electrodes are immersed in the sealing layer.

25. The plasma display apparatus of claim 14, further comprising grooves with a predetermined depth formed on the substrate facing the discharge cells, wherein the first phosphor layers are disposed in the grooves.

26. The plasma display apparatus of claim 14, further comprising grooves with a predetermined depth formed on the sealing layer facing the discharge cells, wherein the second phosphor layers are disposed in the grooves.