Full color surface discharge type plasma display device
View Patent ↗A full color three electrode surface discharge type plasma display device that has fine image elements and is large and has a bright display. The three primary color luminescent areas are arranged in the extending direction of the display electrode pairs in a successive manner and an image element is composed by the three unit luminescent areas defined by these three luminescent areas and address electrodes intersecting these three luminescent areas. Further, phosphors are coated not only on a substrate but also on the side walls of the barriers and on address electrodes. The manufacturing processes and operation methods of the above constructions are also disclosed.
1. A surface discharge type AC color plasma display panel having a first substrate and a second substrate, comprising:
an address electrode arranged on the first substrate, extending in a first direction;
a pair of display electrodes arranged in parallel on the second substrate, extending in a second direction perpendicular to the first direction, and generating a surface discharge between the pair of display electrodes when sustain voltage is applied alternately therebetween;
the first substrate and the second substrate having a space therebetween; and
a plurality of barrier ribs arranged on the first substrate, extending in the first direction, and dividing the space into a plurality of discharge spaces,
wherein a width in the second direction of a top portion of a barrier rib, between adjacent discharge spaces in the second direction, is not less than 7.5 um and a width of a bottom portion of the barrier rib is wider than the width in the second direction of the top portion.
2. The surface discharge type AC color plasma display panel according to claim 1 , wherein the top portion of the barrier rib is substantially flat.
3. The surface discharge type AC color plasma display panel according to claim 1 , wherein the respective heights of the barrier ribs are substantially uniform.
4. The surface discharge type AC color plasma display panel according to claim 1 , wherein a difference in respective heights of the barrier ribs is within ±5 um.
5. The surface discharge type AC color plasma a display panel according to claim 1 , further comprising a dielectric layer disposed on the display electrodes and a protecting layer disposed on the dielectric layer.
6. The surface discharge type AC color plasma display panel according to claim 5 , wherein a distance between the respective top portions of the barrier ribs and a surface of the protecting layer is not more than 20 um.
7. The surface discharge type AC color plasma display panel according to claim 1 , wherein respective widths of the top portions of the barrier ribs are not less than 15 um in the second direction.
8. The surface discharge type AC color plasma display panel according to claim 1 , wherein the barrier ribs extend in the first direction.
9. The surface discharge type AC color plasma display panel according to claim 1 , wherein the barrier ribs are formed only on the first substrate.
10. The surface discharge type AC color plasma display panel according to claim 1 , further comprising:
a plurality of phosphors on the first substrate, each of the phosphors arranged in a first direction,
wherein the thickness of the phosphors is in a range of 10 um to 50 um.
11. The surface discharge type AC color plasma display panel according to claim 1 , further comprising:
first phosphors for a first color, second phosphors for a second color and third phosphors for a third color arranged on the first substrate, each of the phosphors being arranged in the first direction on the first substrate.
12. The surface discharge type AC color plasma display panel according to claim 11 , wherein the first color is red, the second color is green and the third color is blue.
13. A surface discharge type AC color plasma display panel having a first substrate and a second substrate, comprising:
an address electrode arranged on the first substrate, extending in a first direction;
a pair of display electrodes arranged on the second substrate, covered by an insulating layer, extending in a second direction, and generating a surface discharge between the pair of display electrodes when sustain voltage is applied alternately therebetween;
a plurality of barrier ribs supported by the first substrate and extending in the first direction;
discharge spaces divided by the barrier ribs; and
a phosphor disposed in the discharge space, covering at least sidewalls of a corresponding barrier rib;
wherein a width of a top portion of each barrier rib, disposed between the discharge spaces, is not less than 7.5 um in the second direction.
14. The surface discharge type AC color plasma display panel according to claim 13 , wherein the top portion of the harrier rib is substantially flat.
15. The surface discharge type AC color plasma display panel according to claim 13 , wherein respective heights of the barrier ribs are substantially uniform.
16. The surface discharge type AC color plasma display panel according to claim 13 , wherein a difference in respective heights of the barrier ribs is within ±5 um.
17. The surface discharge type AC color plasma display panel according to claim 13 , further comprising a protecting layer on the insulating layer.
18. The surface discharge type AC color plasma display panel according to claim 17 , wherein a distance between a top portion of a barrier rib and a surface of the protecting layer is not more than 20 um.
19. The surface discharge type AC color plasma display panel according to claim 13 , wherein a width of a top portion of each barrier rib is not less than 15 um in the second direction.
20. The surface discharge type AC color plasma display panel according to claim 13 , wherein the barrier ribs extend in the first direction.
21. The surface discharge type AC color plasma display panel according to claim 13 , wherein the barrier ribs are formed only on the first substrate.
22. The surface discharge type AC color plasma display panel according to claim 13 , wherein a thickness of the phosphor is in a range of 10 um to 50 um.
23. The surface discharge type AC color plasma display panel according to claim 13 , further comprising:
first phosphors for a first color, second phosphors for a second color and third phosphors for a third color arranged on the first substrate, each of the phosphors being arranged in the first direction on the first substrate.
24. The surface discharge type AC color plasma display panel according to claim 23 , wherein the first color is red, the second color is green and the third color is blue.
25. A surface discharge type AC color plasma display panel having a first substrate and a second substrate, comprising:
an address electrode arranged on the first substrate, extending in a first direction;
a pair of display electrodes arranged on the second substrate, covered by an insulating layer and extending in a second direction, and generating a surface discharge between the pair of display electrodes when sustain voltage is applied alternately therebetween;
a plurality of barrier ribs supported by the first substrate and extending in the first direction;
discharge spaces defined by the barrier ribs;
a protecting layer arranged on the insulating layer; and
a phosphor disposed in the discharge space and covering at least a sidewall of a corresponding barrier rib, the thickness of the phosphor being in a range of 10 um to 50 um,
wherein a top portion of each barrier rib is disposed between adjacent discharge spaces in the second direction and a width of the top portion is not less than 7.5 um in the second direction.
26. The surface discharge type AC color plasma display panel according to claim 25 , wherein the top portion of the barrier rib is substantially flat.
27. The surface discharge type AC color plasma display panel according to claim 25 , wherein the respective heights of the barrier ribs are substantially uniform.
28. The surface discharge type AC color plasma display panel according to claim 25 , wherein a difference in respective heights of the barrier ribs is within ±5 um.
29. The surface discharge type AC color plasma display panel according to claim 25 , wherein a distance between a top portion of a barrier rib and a surface of the protecting layer is not more than 20 um.
30. The surface discharge type AC color plasma display panel according to claim 25 , wherein the width of the top portion of each barrier rib is not less than 15 um in the second direction.
31. The surface discharge type AC color plasma display panel according to claim 25 , wherein the barrier ribs extend in the first direction.
32. The surface discharge type AC color plasma display panel according to claim 25 , wherein the barrier ribs are supported only on the first substrate.
33. The surface discharge type AC color plasma display panel according to claim 25 , wherein the phosphor is disposed and covers sidewalls of respective barrier ribs defining each discharge space and a surface supported by the first substrate and extending between the sidewalls of the respective barrier ribs defining each discharge space.
34. The surface discharge type AC color plasma display panel according to claim 25 , wherein a surface of the first substrate comprises an exposed surface of a dielectric layer formed on the first substrate and covering the address electrode.
35. The surface discharge type AC color plasma display panel according to claim 25 , wherein the discharged space is defined by the phosphor disposed on sidewalls of the respective barrier ribs and on a surface of a dielectric layer formed on the first substrate and covering the address electrode and extending between the sidewalls of the respective barrier ribs.
36. A surface discharge type AC color plasma display panel having a first substrate and a second substrate, comprising:
an address electrode arranged on the first substrate, extending in a first direction;
a pair of display electrodes arranged on the second substrate, covered by an insulating layer, extending in a second direction, and generating a surface discharge between the pair of display electrodes when sustain voltage is applied alternately therebetween;
a plurality of barrier ribs supported by the first substrate and extending in the first direction,
discharge spaces divided by the barrier ribs; and
a protecting layer arranged on the insulating layer,
wherein a top portion of each barrier rib is disposed between adjacent discharge spaces in the second direction and a width of the top portion is not less than 7.5 um in the second direction, and a distance between the top portion of each barrier rib and a surface of the protecting layer is not more than 20 um.
37. The surface discharge type AO color plasma display panel according to claim 36 , wherein the top portion of each barrier rib is substantially flat.
38. The surface discharge type AC color plasma display panel according to claim 36 , wherein the barrier ribs have respective heights which are substantially uniform.
39. The surface discharge type AC color plasma display panel according to claim 36 , wherein a difference in respective heights of the barrier ribs is within ±5 um.
40. The surface discharge type AC color plasma display panel according to claim 36 , wherein the width of the top portion of each barrier rib is not less than 15 um in the second direction.
41. The surface discharge type AC color plasma display panel according to claim 36 , wherein the barrier ribs extend in the first direction.
42. The surface discharge type AC color plasma display panel according to claim 36 , wherein the barrier ribs are supported only on the first substrate.
43. The surface discharge type AC color plasma display panel according to claim 36 , further comprising a phosphor disposed in the discharge space and covering at least a sidewall of a corresponding barrier rib, the thickness of the phosphor being in a range of 10 um to 50 um.
44. A surface discharge type AC color plasma display panel having a first substrate and a second substrate, comprising:
an address electrode arranged on the first substrate, extending in a first direction
a pair of display electrodes arranged in parallel on the second substrate, extending in a second direction perpendicular to the first direction, and generating a surface discharge between the pair of display electrodes when sustain voltage is applied alternately therebetween;
a space formed between the first substrate and the second substrate, and
a plurality of barrier ribs arranged on the first substrate, extending in the first direction, dividing the space into plurality of discharge spaces in the second direction, each barrier rib being between adjacent discharge spaces in the second direction,
wherein a width in the second direction of a top portion of each barrier rib between adjacent discharge spaces in the second direction, is not less than 7.5 um and a width of a bottom portion of the barrier rib is wider than the width in the second direction of the top portion.