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Baffering rib material for plasma display panel

A display panel and plasma technology, applied in gas discharge tubes/containers, instruments, electrical components, etc., can solve the problems of low mechanical strength and difficulty in forming barrier ribs with sufficient strength

Inactive Publication Date: 2006-05-24
NIPPON ELECTRIC GLASS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these materials are less mechanically strong than alumina
Therefore it is difficult to form barrier ribs with sufficient strength

Method used

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  • Baffering rib material for plasma display panel
  • Baffering rib material for plasma display panel

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0031] A barrier rib material for a PDP according to an embodiment of the present invention includes glass powder and silica-based filler powder. The silica-based filler powder includes fused silica powder and alpha-quartz powder. A part or all of the silica-based filler powder, ie at least a part of the silica-based filler powder is a spherical filler powder.

[0032] The PDP barrier rib material may additionally contain another silica-based filler, such as cristobalite powder, if desired.

[0033] Fused silica and alpha-quartz have a dielectric constant of 4.5, both lower than alumina's dielectric constant of 10. Therefore, the dielectric constant of the barrier rib material can be lowered as a whole.

[0034] Spherical filler powders can significantly relax stress concentrations because the powder particles have no protrusions. Therefore, the barrier rib can obtain sufficient strength without additionally using a high-strength filler such as alumina. Fused silica powder...

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Abstract

In the PDP barrier rib material including glass powder and silica-based filler powder, the silica-based filler powder includes fused silica powder and α-quartz powder. At least a portion of the silica-based filler powder is a spherical filler powder. The remainder of the silica-based filler powder may be non-spherical filler powder. In this case, the ratio of the spherical filler powder to the non-spherical filler powder may be 30:70˜100:0 by mass.

Description

technical field [0001] The present invention relates to a barrier rib material for a plasma display panel (hereinafter may be abbreviated as "PDP"). Background technique [0002] The plasma display is a self-emissive type flat display and has excellent characteristics such as light weight, thin thickness, and wide viewing angle. In a plasma display, the display is easily widened. Therefore, the plasma display attracts attention and is one of the most promising display devices. [0003] FIG. 1 is a cross-sectional view showing a typical structure of a PDP for a plasma display. The PDP shown in FIG. 1 comprises a front glass substrate 1, a back substrate glass 2 facing the front glass substrate 1, and a multilayer glass that divides the cavity between the front and back glass substrates 1 and 2 into a plurality of gas discharge regions. a blocking rib3. In the figure, only one gas discharge area is shown. On the front glass substrate 1, a pair of transparent electrodes 4 ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01J17/16H01J17/04H01J11/02G09F9/313C03C8/16C03C8/14C03C8/24C03C17/02H01J11/22H01J11/34H01J11/36
CPCC03C8/14C03C17/02H01J2211/36H01J11/36
Inventor 奥长清行北村嘉朗后藤龙哉应治雅彦波多野和夫
Owner NIPPON ELECTRIC GLASS CO LTD