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AC type plasma display element

A display element and plasma technology, applied in the field of lighting, can solve the problems of reduced product yield and increased manufacturing process costs, and achieve the effects of excellent discharge characteristics, reduced discharge voltage, and low working voltage

Inactive Publication Date: 2011-09-28
CERAMICS & CHEM TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, although this method has the advantage of not polluting the protective film material and can obtain excellent characteristics, after the protective film coating layer is manufactured, the entire process must be maintained in a vacuum, so there is a sharp increase in the cost of the manufacturing process and a decrease in product yield. The problem

Method used

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Examples

Experimental program
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Embodiment 1

[0070] Use CaO getter powder with an average particle size of 1 μm or less to coat the adsorption layer with a thickness of 2 μm or less, and apply a phosphor paste on its surface by printing to form a back substrate, which will have a crystalline binary system (Ca 0.15 Mg 0.85 ) The front substrate of the O oxide protective film and the above-mentioned rear substrate were fired at a temperature of 500° C., sealed in a nitrogen atmosphere, and then exhausted by heating and filled with a discharge gas to produce a PDP. Other conditions are the same as in Comparative Example 1.

experiment example 1

[0072] The discharge voltages of the respective PDPs produced in Comparative Examples 1 and 2 and the Examples were measured according to the aging time of the PDPs, and the results are shown in a graph. Figure 7 and Figure 8 middle.

[0073] First, if Figure 7 As shown, in Comparative Example 1, the binary system (Ca 0.1 5Mg 0.85 The discharge voltage of the )O oxide protective film is about 305V, which is about 40V lower than the discharge voltage of the MgO protective film of Comparative Example 2, which is 345V. The reason for this drop in discharge voltage can be considered to be the binary system (Ca 0.15 Mg 0.85 ) The band gap energy of the O oxide protective film is reduced compared with that of MgO, thus increasing the secondary electron emission coefficient.

[0074] Next, if Figure 8 As shown, the PDP discharge voltage of embodiment 1 is reduced to 230V. In contrast, in the case of Comparative Example 2 using a protective film formed of MgO, the discharg...

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Abstract

The invention provides an AC type plasma display element (AC PDP), which is characterized by comprising a front substrate formed by a front glass / front dielectric layer / protective film. The protective film is formed by adding the dibastic oxide ((MxMg1-x) O) of a divalent metal oxide (MO) on an MgO substrate. The surface of a rear substrate formed by a rear glass / rear dielectric layer / partition is uniformly coated with a non-volatile oxide adsorption layer. The surface of the non-volatile oxide adsorption layer is formed with a phosphor layer.

Description

technical field [0001] The present invention relates to an AC type plasma display element, in particular to an AC type plasma display element with the following structure: comprising a front substrate composed of front glass / front dielectric layer / protective film, the above protective film is formed by adding two Binary oxides of valent metal oxides (MO) ((M x Mg 1-x )O) is formed by uniformly coating a non-volatile oxide adsorption layer on the surface of a rear substrate composed of rear glass / rear dielectric layer / partition rib, and forming a phosphor on the surface of the non-volatile oxide adsorption layer. Floor. Background technique [0002] The PDP is mainly used for a large-sized display device of 40 inches or more because it has excellent image quality as a flat-panel display device, is thin, and is light in weight. In the plasma display element, pixels are formed at positions where a plurality of barrier ribs and a plurality of address electrodes formed on the ...

Claims

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Application Information

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IPC IPC(8): H01J17/49H01J17/24H01J17/18H01J11/12H01J11/22H01J11/24H01J11/26H01J11/34H01J11/40H01J11/42H01J11/48H01J11/52H01J11/54
Inventor 金廷硕金容奭郑锡金有汉尹相薰
Owner CERAMICS & CHEM TECH
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