Plasma display panel
View Patent ↗A plasma display panel comprising plural kinds of phosphors, each of which emits a light having a different kind of color, separators which separate the plural kinds of phosphors, and discharge cells having sustain electrode pairs which create discharges producing the light emissions from the phosphors. In the plasma display panel, sustain discharge currents through the sustain electrode pairs in the discharge cells are set at different values according to respective brightness of the lights emitted from the plural kinds of phosphors.
1. A plasma display panel comprising:
plural kinds of phosphors producing light emissions of respective, different colors;
separators which separate said plural kinds of phosphors; and
plural discharge cells having sustain electrode pairs which produce surface discharges to create the light emissions from said phosphors;
each of said sustain electrode pairs comprising a first electrode and a second electrode, each thereof having a transparent electrode comprising T-shaped parts and each T-shaped part comprising a narrow part and a wide part; and
respective sizes of said sustain electrode pairs and respective distances between said sustain electrode pairs in plural discharge cells being different, according to corresponding, different brightness of the light emissions from respective, different phosphors in the plural discharge cells.
2. The plasma display panel as claimed in claim 1 , wherein a size of said sustain electrode pair in discharge cells where a phosphor having low brightness is deposited is larger than a size of said sustain electrode pair in discharge cells where a phosphor other than said phosphor having a low brightness is deposited.
3. The plasma display panel as claimed in claim 2 , wherein a size of said sustain electrode pair in discharge cell having a red phosphor therein is the same as a size of said sustain electrode pair in a discharge cell having a green phosphor therein, and a size of said sustain electrode pair in a discharge cell having a blue phosphor therein is larger than the size of said sustain electrode pair in a discharge cell having either the red or the green phosphor therein.
4. The plasma display panel as claimed in claim 1 , wherein a size of said sustain electrode pair in a discharge cell having a green phosphor therein is larger than a size of said sustain electrode pair in a discharge cell having a red phosphor therein, and a size of said sustain electrode pair in a discharge cell having a blue phosphor therein is larger than the size of said sustain electrode pair in a discharge cell having either the red or the green phosphor therein.
5. The plasma display panel as claimed in claim 1 , wherein said T-shaped parts are provided on both sides of said first electrode and said second electrode, and wherein each transparent electrode comprising said T-shaped parts, in said discharge cells having green or blue phosphors therein, is extended in directions of said both sides, to increase said sizes of said sustain electrode pairs therein.
6. The plasma display panel as claimed in claim 1 , wherein said narrow part and said wide part of each transparent electrode of said sustain electrode pair in said discharge cells having green or blue phosphors therein are extended in a direction parallel to said first electrode and said second electrode, to increase said sizes of said sustain electrode pairs therein.
7. A plasma display panel, comprising:
plural kinds of phosphors emitting respective, different colors;
separators separating said plural kinds of phosphors;
plural discharge cells individually having a respective one of the plural kinds of phosphors therein and having respective sustain electrode pairs selectively producing surface discharges in the plural discharge cells, creating corresponding light emissions of respective, different colors from said plural phosphors;
each sustain electrode pair comprising a first electrode and a second electrode, each thereof having a transparent electrode comprising T-shaped parts and each T-shaped part having a narrow part and a wide part; and
respective sizes of said sustain electrode pairs and respective distances between said sustain electrode pairs in plural discharge cells being different, according to corresponding, different brightness of the light emissions from the respective, different phosphors in the plural discharge cells.
8. A plasma display panel as claimed in claim 7 , wherein a size of said sustain electrode pair, associated with discharge cells for which the respective phosphor has a low brightness, is larger than a size of said sustain electrode pair associated with discharge cells for which the respective phosphor has a brightness othern than the low brightness.
9. The plasma display panel as recited in claim 8 , wherein a size of said sustain electrode pair associated with discharge cells in which a red phosphor is deposited is the same as the size of said electrode pair associated with discharge cells in which a green phosphor is deposited, and a size of said sustain electrode pair associated with discharge cells in which blue phosphor is deposited is larger than the respective sizes of said sustain electrode pairs associated with corresponding discharge cells in which the red and green phosphors, respectively, are deposited.
10. The plasma display panel as recited in claim 7 , wherein a size of said sustain electrode pair associated with discharge cells in which a red phosphor is deposited is the same as the size of said electrode pair associated with discharge cells in which a green phosphor is deposited, and a size of said sustain electrode pair associated with discharge cells in which a blue phosphor is deposited is larger than the respective sizes of said sustain electrod pairs associated with corresponding discharge cells in which the red and green phosphors, respectively, are deposited.
11. The plasma display panel as claimed in claim 7 , wherein said T-shaped parts are provided on both sides of said first electrode and said second electrode and wherein each transparent electrode comprising said T-shaped parts, in said discharge cells having green or blue psosphors therein, is extended in directions of said both sides, to increase said sizes of said sustain electrode pair therein.
12. The plasma display panel as claimed in claim 7 , wherein said narrow part and said wide part of each transparent electrode of said sustain electrode pair in said discharge cells having green or blue phosphors therein are extended in a direction parallel to said first electrode and said second electrode, to increase said sizes of said sustain electrode pairs therein.