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A kind of mgo/zno composite dielectric protective film and preparation method thereof

A composite medium and protective film technology, applied in the manufacture of discharge tubes/lamps, cold cathodes, electrode systems, etc., can solve problems such as the inability to meet the performance requirements of dielectric protective films, and improve and reduce the secondary electron emission coefficient. Power consumption and cost, the effect of improving roughness

Active Publication Date: 2016-08-17
宁波云涂科技有限公司
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

Although these designs have improved the performance of the dielectric protective film to varying degrees, they still cannot meet the performance requirements of AC-PDP for the dielectric protective film. Therefore, the research on the modification of the dielectric protective film still needs to be improved.

Method used

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  • A kind of mgo/zno composite dielectric protective film and preparation method thereof
  • A kind of mgo/zno composite dielectric protective film and preparation method thereof

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Embodiment Construction

[0031] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0032] Such as figure 1 As shown, the present invention provides a kind of MgO / ZnO composite dielectric protection film, and described composite dielectric protection film comprises ZnO nanowire, and the surface of described ZnO nanowire is provided with one deck MgO thin film, and wherein, the length of ZnO nanowire is 50 ~200nm, the thickness of the MgO thin film is 100~500nm. In the present invention, ZnO nanowires are grown on the surface of the substrate on which the ZnO seed layer is prepared by the water bath method, and the ZnO seed layer is obtained by magnetron sputtering, coating and spin coating or pulsed laser deposition; the MgO thin film is obtained by The reactive magnetron sputtering method is sputtered on the surface of ZnO nanowires.

[0033] The present invention also provides a method for preparing a MgO / ZnO composite dielectric protective film...

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Abstract

The invention discloses a MgO / ZnO composite dielectric protective film and a preparation method thereof. The composite dielectric protective film includes ZnO nanowires, and a layer of MgO film is arranged on the surface of the ZnO nanowires. Since the ZnO seed layer is set on the substrate, and after the ZnO seed layer grows ZnO nanowires, the MgO thin film is deposited on the surface of the ZnO nanowires, so the roughness of the composite dielectric protective film surface is improved, making the composite dielectric protective film The secondary electron emission coefficient is improved, and the dielectric protective film with high secondary electron emission coefficient can effectively reduce the ignition voltage of the display, thereby reducing the power consumption and cost of the PDP display to a certain extent, improving the life of the device, and enhancing the work of the display device. voltage stability.

Description

technical field [0001] The invention belongs to the field of plasma displays, and in particular relates to a MgO / ZnO composite dielectric protective film and a preparation method thereof. Background technique [0002] PDP (Plasma Display Panel, Plasma Display Panel) displays light based on the principle of gas discharge: when a certain voltage is applied between the electrodes, the inert gases Ne and Xe are broken down, and the visible light or ultraviolet light generated by the glow discharge excites the coating on the barrier. The fluorescent powder emits red, green, and blue three primary colors of light, thereby realizing the color display of the PDP. When the additional voltage between the electrodes on the PDP substrate increases to a certain critical value, the inert gas between the electrodes will discharge, and the instantaneous voltage Vf at which the discharge starts at this time is called the ignition voltage. The famous German scientist Paschen (Paschen) discov...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01J11/40H01J9/00H01J11/10
Inventor 孟瑜贾小琼马洋宋忠孝李雁淮
Owner 宁波云涂科技有限公司
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