Plasma display panel

A display panel and plasma technology, applied in AC plasma display panels, gas discharge electrodes, gas discharge tubes/containers, etc., can solve problems such as increased attenuation rate

Inactive Publication Date: 2010-03-24
PANASONIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, when impurities are mixed into the protective layer to improve the electron emission characteristics, charges are accumulated on the surface of the

Method used

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Embodiment approach

[0028] figure 1 It is a perspective view showing the structure of the PDP according to the embodiment of the present invention. The basic structure of the PDP is the same as that of a general AC surface discharge type PDP. Such as figure 1 As shown, the PDP 1 is disposed facing a front panel 2 composed of a front glass substrate 3 and the like and a rear panel 10 composed of a rear glass substrate 11 and the like. The outer peripheral portion of the PDP 1 is sealed with a sealing material made of glass frit or the like. In the discharge space 16 inside the sealed PDP 1 , discharge gases such as Ne and Xe are sealed under a pressure of 400 Torr to 600 Torr.

[0029] On front glass substrate 3 of front panel 2, a pair of strip-shaped display electrodes 6 and black strips (light shielding layers) 7 composed of scan electrodes 4 and sustain electrodes 5 are arranged in parallel to each other. On the front glass substrate 3, a dielectric layer 8 covering the display electrodes ...

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Abstract

Disclosed is a plasma display panel comprising a front plate (2) wherein a dielectric layer (8) is so formed as to cover a display electrode (6) formed on a front glass substrate (3) and a protectivelayer (9) is formed on the dielectric layer (8), and a back plate so arranged as to face the front plate (2) so that a discharge space is formed therebetween. The back plate is provided with an address electrode lying in the direction intersecting the display electrode (6) and a partition wall which divides the discharge space. The protective layer (9) is obtained by forming a base film (91) composed of MgO on the dielectric layer (8), and having agglomerated particles (92), wherein a plurality of crystal particles composed of a metal oxide are agglomerated, adhere to the base film (91) in such a manner that the agglomerated particles (92) are distributed all over the base film (91). The base film (91) contains Si as a raw material impurity, and the Si concentration is set at more than 0 ppm but not more than 10 ppm.

Description

technical field [0001] The present invention relates to a plasma display panel used for a display device or the like. Background technique [0002] Plasma display panels (hereinafter referred to as "PDP") are commercialized as 65-inch televisions and the like because they can achieve high definition and large screen size. In recent years, the application of PDPs to high-definition televisions with twice or more scanning lines compared with the conventional NTSC system has been promoted, and PDPs containing no lead components are required in consideration of environmental issues. [0003] The PDP is mainly composed of a front panel and a rear panel. The front panel is composed of the following parts: a glass substrate of sodium borosilicate glass based on the flotation method; a display electrode composed of a strip-shaped transparent electrode and a bus electrode formed on one main surface of the glass substrate; an overlay display Electrodes and a dielectric layer functio...

Claims

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Application Information

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IPC IPC(8): H01J11/02H01J11/12H01J11/22H01J11/24H01J11/26H01J11/34H01J11/36H01J11/38H01J11/40H01J11/42H01J11/44H01J11/50
CPCH01J11/40H01J11/12
Inventor 沟上要河原崎秀司大江良尚
Owner PANASONIC CORP
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