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Plasma display panel

A technology for plasma and display screens, which is applied to alternating current plasma display panels, gas discharge electrodes, gas discharge tubes/containers, etc., and can solve problems such as reducing the rate of charge decay.

Inactive Publication Date: 2010-01-27
PANASONIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In this way, as a characteristic of the protective layer, there is the following problem: it has high electron emission performance and reduces the decay rate of the charge as a storage function, that is, it has a high charge retention characteristic, and it is necessary to have these two opposite characteristics.

Method used

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Embodiment approach

[0027] 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 common AC surface discharge type PDP. Such as figure 1 As shown in the PDP 1, 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 are arranged to face each other. The outer peripheral portion of the PDP 1 is hermetically sealed by a sealing member made of glass frit or the like. Discharge gases such as Ne and Xe are enclosed at a pressure of 400 Torr to 600 Torr in the discharge space 16 inside the sealed PDP 1 .

[0028] On the front glass substrate 3 of the front panel 2, a plurality of display electrodes 6 and black stripes (light shielding layers) 7 composed of a pair of strip-shaped scan electrodes 4 and sustain electrodes 5 are arranged in multiple rows in parallel to each other. Dielectric layer 8 tha...

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Abstract

A plasma display panel is provided with a front board (2) wherein a dielectric layer (8) is formed to cover a display electrode (6) formed on a front glass substrate (3) and a protection layer (9) is formed on the dielectric layer (8); and a back board, which faces the front board (2) so as to form a discharge space, forms an address electrode in a direction intersecting with the display electrode and has a partitioning wall for partitioning the discharge space. The protection layer (9) forms a base film (91) on the dielectric layer (8) and is constituted by adhering agglomerated particles (92) wherein a plurality of crystal grains composed of a metal oxide are agglomerated, on the base film (91) so that the agglomerated particles are distributed over the entire surface. The agglomerated particles are adhered so that the ratio of the transmissivity of the front board (2) with the agglomerated particles (92) adhered thereto to the transmissivity of said front board without the agglomerated particles adhered thereto is 85% or more but not more than 99%. Thus, the PDP, which has improved electron discharge characteristics, charge retention characteristics, and achieves high image qualities, low cost and low voltage at the same time, is provided.

Description

technical field [0001] The present invention relates to plasma display screens used in display devices and the like. Background technique [0002] Since the plasma display panel (hereinafter referred to as "PDP") can achieve high definition and large screen size, 65-inch-class TVs and the like have been commercialized. In recent years, PDP is more suitable for high-definition televisions with twice the number of scanning lines than the existing NTSC system, and PDPs that do not contain lead are required in consideration of environmental issues. [0003] A PDP is basically composed of a front panel and a rear panel. The front panel is composed of the following components: a glass substrate of sodium borosilicate glass produced by a float process; a display electrode composed of strip-shaped transparent electrodes and bus electrodes formed on one main surface of the glass substrate; A dielectric layer on which the capacitor operates; a protective layer composed of magnesium ...

Claims

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Application Information

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IPC IPC(8): H01J11/02H01J11/22H01J11/24H01J11/34H01J11/40
CPCH01J11/40H01J11/12H01J11/38
Inventor 大江良尚石野真一郎坂元光洋宫前雄一郎沟上要河原崎秀司
Owner PANASONIC CORP
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