Electrode material, dielectric material and plasma display panel using them
AssigneeMatsushita Electric Industrial Co., Ltd.
InventorsToshio Fujii, Tatsuo Mifune
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Abstract
A material usable for the electrodes and the dielectric layer plasma display panels and capable of reducing the occurrence of yellowing and a high-image-quality plasma display panel using the material are provided. Using glass powder containing 25 to 50 wt % of Bi2O3, 5 to 35 wt % of B2O3, 10 to 20 wt % of ZnO, 5 to 20 wt % of BaO, 0 to 15 wt % of SiO2 and 0 to 10 wt % of Al2O3, the electrodes and the dielectric layer of a plasma display panel are formed.
Claims10
An electrode material for a plasma display panel, comprising:
- Ag powder;
- glass powder containing 25 to 50 wt % of Bi2O3, 5 to 35 wt % of B2O3, 10 to 20 wt % of ZnO, 5 to 20 wt % of BaO, 0 to 15 wt % of SiO2 and 0 to 10 wt % of Al2O3;
- wherein said glass powder has an average grain size of not more than 4.0 μm and a maximum grain size of not more than 10 μm;
- and
- an organic component containing a resin and a solvent.
A dielectric material for a plasma display panel, comprising:
- glass powder containing 25 to 50 wt % of Bi2O3, 5 to 35 wt % of B2O3, 10 to 20 wt % of ZnO, 5 to 20 wt % of BaO, 0 to 15 wt % of SiO2 and 0 to 10 wt % of Al2O3;
- wherein said glass powder has an average grain size of not more than 4.0 μm and a maximum grain size of not more than 10 μm;
- and
- an organic component containing a resin and a solvent.
A plasma display panel comprising:
- a plurality of electrodes comprising a first glass and Ag;
- and
- a dielectric layer comprising a second glass and insulating said electrodes from each other,
- wherein at least one of said first glass and said second glass contains 25 to 50 wt % of Bi2O3, 5 to 35 wt % of B2O3, 10 to 20 wt % of ZnO, 5 to 20 wt % of BaO, 0 to 15 wt % of SiO2 and 0 to 10 wt % of Al2O3;
- and wherein said at least one of said first glass and said second glass is made from a glass powder having an average grain size of not more than 4.0 μm and a maximum grain size of not more than 10 μm.
A plasma display panel comprising a dielectric layer made of a dielectric paste material comprising:
- glass powder containing 25 to 50 wt % of Bi2O3, 5 to 35 wt % of B2O3, 10 to 20 wt % of ZnO, 5 to 20 wt % of BaO, 0 to 15 wt % of SiO2, and 0 to 10 wt % of Al2O3;
- and
- an organic component containing at least a resin and a solvent,
- wherein said glass powder has an average grain size of not more than 4.0 μm and a maximum grain size of not more than 10 μm.
Dependencies are inferred from the claim text.