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Method of preparing plasma display board dielectric layer by electrophoresis

A plasma and dielectric layer technology, applied in electrophoretic plating, electrode system manufacturing, discharge tube/lamp manufacturing, etc., can solve the problems of high cost of dry film method, unstable performance of screen printing method, etc. The effect of light rate, low cost and stable performance

Inactive Publication Date: 2009-10-28
NANJING HUAXIAN HIGH TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is the high cost of the dry film method and the unstable performance of the screen printing method in the preparation process of the medium layer in the PDP production process. A method for preparing the medium layer of the plasma display panel by electrophoresis is invented to replace Existing dry film method and screen printing method

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Take 800 grams of isopropanol, 10 grams of glass powder, 3 grams of polyethylene glycol, 8 grams of high-purity acetone, and 0.5 grams of magnesium nitrate, mix them and pour them into a square quartz glass container, vibrate with an ultrasonic oscillator for no less than 5 minutes, The ultrasonically oscillated solution is left to stand for 10 to 15 minutes to obtain a stable electrophoretic suspension for use.

[0018] Place the quartz glass container containing the stable electrophoretic suspension in the electrophoresis device, then put the cleaned PDP panel into the quartz container containing the electrophoretic liquid, set the electrophoresis voltage to 200V, and the electrophoresis time to 1-30min. It is 2-15cm, and a uniform and dense dielectric layer is formed on the electrode line through electrophoresis.

[0019] The plasma display panel with the deposition structure above was taken out of the quartz container, rinsed with deionized water, and then dried at ...

Embodiment 2

[0022] Take 940 grams of isopropanol, 1 gram of glass powder, 1 gram of polyethylene glycol, 1 g of high-purity acetone, and 0.01 gram of magnesium nitrate, mix them and pour them into a square quartz glass container, and vibrate with an ultrasonic oscillator for no less than 5 minutes. The ultrasonically oscillated solution is left to stand for 10 to 15 minutes to obtain a stable electrophoretic suspension for use.

[0023] Place the quartz glass container containing the stable electrophoretic suspension in the electrophoresis device, then put the cleaned PDP panel into the quartz container containing the electrophoretic liquid, set the electrophoresis voltage to 200V, and the electrophoresis time to 1-30min. It is 2-15cm, and a uniform and dense dielectric layer is formed on the electrode line through electrophoresis.

[0024] The plasma display panel with the deposition structure above was taken out of the quartz container, rinsed with deionized water, and then dried at abo...

Embodiment 3

[0027] Take 990 grams of isopropanol, 30 grams of glass powder, 30 grams of polyethylene glycol, 40 grams of high-purity acetone, and 1 gram of magnesium nitrate, mix them and pour them into a square quartz glass container, vibrate with an ultrasonic oscillator for no less than 5 minutes, The ultrasonically oscillated solution is left to stand for 10 to 15 minutes to obtain a stable electrophoretic suspension for use.

[0028] Place the quartz glass container containing the stable electrophoretic suspension in the electrophoresis device, then put the cleaned PDP panel into the quartz container containing the electrophoretic liquid, set the electrophoresis voltage to 200V, and the electrophoresis time to 1-30min. It is 2-15cm, and a uniform and dense dielectric layer is formed on the electrode line through electrophoresis.

[0029] The plasma display panel with the deposition structure above was taken out of the quartz container, rinsed with deionized water, and then dried at a...

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Abstract

The invention discloses a method for preparing a plasma display panel dielectric layer by using an electrophoresis method, reducing the cost and leading the performance of the dielectric layer to be stable and reliable, aiming at the defects of the dry film hot press method and the screening painting method in the dielectric layer in the existing production process of PDP, and the method can be widely used for preparing the dielectric layer on a PDP panel; the invention uses the electrophoresis method for preparation of the plasma display panel dielectric layer firstly, and has the advantages of low cost, stable performance, good technique and convenient operation, compared with the existing method; at the same time, the method for preparing the dielectric layer by electrophoresis deposition can reduce the sintering temperature of the medium, is beneficial to improving the yellowing problem of the glass panel and can obviously increase the light transmittance of the panel.

Description

technical field [0001] The invention relates to a preparation process of a plasma display panel, in particular to a preparation method of a dielectric layer covered on an electrode, in particular to a method for preparing a plasma display by using an electrophoresis method, which can reduce the preparation cost and improve the stability. The method of plate medium layer. Background technique [0002] The structure of the slot-type plasma display panel (PDP) is mainly composed of a front substrate, a grid plate and a rear substrate. The rear substrate comprises a rear substrate glass substrate, a thin film first electrode (column electrode, address electrode) formed on the rear substrate glass substrate, an insulating layer and a protective film formed on the rear substrate glass substrate; the front substrate comprises a front substrate Substrate glass substrate, on the lower surface of the front substrate glass substrate, form a second electrode (row electrode, scanning el...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01J9/00C25D13/00
Inventor 黄秋铭张雄樊兆雯李青朱立锋王保平林青园
Owner NANJING HUAXIAN HIGH TECH CO LTD