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US 2008/0174244 A1Published application
Plasma display panel and method for driving same
AssigneePioneer Corporation
InventorsShunsuke ITAKURA, Hai Lin, Atsushi Hirota
Life of this patent
Estimating the term…
Abstract
Each of the red, green and blue phosphor layers includes magnesium oxide including a magnesium oxide crystal body having properties of causing a cathode-luminescence emission having a peak within a wavelength range of 200 nm to 300 nm upon excitation by electron beams, as a secondary electron emission.
Claims27
A plasma display panel, comprising:
- a pair of substrates placed across a discharge space;
- a plurality of row electrode pairs provided on one of the pair of substrates;
- a plurality of column electrodes provided on the other substrate and extending in a direction at right angles to the row electrode pairs to form unit light emission areas in the discharge space respectively corresponding to the intersections with the row electrode pairs;
- and
- phosphor layers of red, green and blue colors provided in respective positions facing the respective unit light emission areas between the column electrodes and the row electrode pairs, each of the red phosphor layers being formed of a red phosphor material and making a red unit light mission area of the corresponding unit light emission area, each of the green phosphor layers being formed of a green phosphor material and making a green unit light emission area of the corresponding unit light emission area, and each of the blue phosphor layers being formed of a blue phosphor material and making a blue unit light emission area of the corresponding unit light emission area,
- wherein each of the phosphor layers includes a secondary electron emission material, and the secondary electron emission material is magnesium oxide including a magnesium oxide crystal body having properties of causing a cathode-luminescence emission having a peak within a wavelength range of 200 nm to 300 nm upon excitation by electron beams, and
- the phosphor layer of a required color of the red, green and blue phosphor layers includes a different amount of the secondary electron emission material than the phosphor layers of the remaining colors.
4 more elements
A method for operating a plasma display panel comprising
- a pair of substrates placed across a discharge space,
- a plurality of row electrode pairs provided on one of the pair of substrates,
- a plurality of column electrodes provided on the other substrate and extending in a direction at right angles to the row electrode pairs to form unit light emission areas in the discharge space respectively corresponding to the intersections with the row electrode pairs, and
- phosphor layers of red, green and blue colors provided in respective positions facing the respective unit light emission areas between the column electrodes and the row electrode pairs, each of the red phosphor layers being formed of a red phosphor material and making a red unit light mission area of the corresponding unit light emission area, each of the green phosphor layers being formed of a green phosphor material and making a green unit light emission area of the corresponding unit light emission area, and each of the blue phosphor layers being formed of a blue phosphor material and making a blue unit light emission area of the corresponding unit light emission area, wherein the phosphor layer of a required color of the red, green and blue phosphor layers includes a different amount of the secondary electron emission material than the phosphor layers of the remaining colors, the method of operating the plasma display panel comprising:
- applying a voltage pulse to one row electrode of each of the row electrode pairs and setting a potential of the corresponding column electrode to be negative relative to the row electrode to which the voltage pulse is applied to initiate an opposing discharge between the column electrode and the row electrode.
2 more elements
A plasma display panel, comprising:
- a pair of substrates placed across a discharge space;
- a plurality of row electrode pairs provided on one of the pair of substrates;
- a plurality of column electrodes provided on the other substrate and extending in a direction at right angles to the row electrode pairs to form unit light emission areas in the discharge space respectively corresponding to the intersections with the row electrode pairs;
- and
- phosphor layers of red, green and blue colors provided in respective positions facing the respective unit light emission areas between the column electrodes and the row electrode pairs, each of the red phosphor layers being formed of a red phosphor material and making a red unit light mission area of the corresponding unit light emission area, each of the green phosphor layers being formed of a green phosphor material and making a green unit light emission area of the corresponding unit light emission area, and each of the blue phosphor layers being formed of a blue phosphor material and making a blue unit light emission area of the corresponding unit light emission area,
- wherein each of the red phosphor layers, the green phosphor layers and the blue phosphor layers includes a secondary electron emission material, and
- property of emitting secondary electrons of the phosphor layer of a required color of the red, green and blue phosphor layers is different from property of emitting secondary electrons of the phosphor layers of the remaining colors.
4 more elements
A method for operating a plasma display panel comprising
- a pair of substrates placed across a discharge space,
- a plurality of row electrode pairs provided on one of the pair of substrates,
- a plurality of column electrodes provided on the other substrate and extending in a direction at right angles to the row electrode pairs to form unit light emission areas in the discharge space respectively corresponding to the intersections with the row electrode pairs, and
- phosphor layers of red, green and blue colors provided in respective positions facing the respective unit light emission areas between the column electrodes and the row electrode pairs, each of the red phosphor layers being formed of a red phosphor material and making a red unit light mission area of the corresponding unit light emission area, each of the green phosphor layers being formed of a green phosphor material and making a green unit light emission area of the corresponding unit light emission area, and each of the blue phosphor layers being formed of a blue phosphor material and making a blue unit light emission area of the corresponding unit light emission area, wherein each of the red phosphor layers, the green phosphor layers and the blue phosphor layers includes a secondary electron emission material, and property of emitting secondary electrons of the phosphor layer of a required color of the red, green and blue phosphor layers is different from property of emitting secondary electrons of the phosphor layers of the remaining colors, the method of operating the plasma display panel comprising:
- applying a voltage pulse to one row electrode of each of the row electrode pairs and setting a potential of the corresponding column electrode to be negative relative to the row electrode to which the voltage pulse is applied to initiate an opposing discharge between the column electrode and the row electrode.
2 more elements
Dependencies are inferred from the claim text.