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Method of sealing glass panel assembly and sealing furnace

A glass panel and assembly technology, which is applied to furnaces, furnace cooling, furnace components, etc., can solve problems such as deterioration of luminous state and long time for exhaust gas treatment.

Inactive Publication Date: 2010-05-05
CHUGAI RO CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

If the amount of impure gas remaining inside the glass panel assembly is large, there will be the following problems: it takes a long time to exhaust the glass panel assembly in the subsequent process, and in the completed PDP, due to the impure gas Emission again and lead to deterioration of the luminous state

Method used

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  • Method of sealing glass panel assembly and sealing furnace
  • Method of sealing glass panel assembly and sealing furnace
  • Method of sealing glass panel assembly and sealing furnace

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Experimental program
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Embodiment Construction

[0016] Hereinafter, a preferred embodiment of the sealing treatment method of the glass panel assembly and the sealing treatment furnace of the present invention will be described in detail with reference to the accompanying drawings. The sealing treatment furnace 1 of the glass panel assembly is basically as follows Figure 1 ~ Figure 3 As shown, the sealing treatment furnace of the glass panel assembly 2 is configured to have a conveying mechanism 3 for conveying the glass panel assembly 2, and the glass panel assembly 2 sandwiches the sealing glass frit between a pair of stacked glass substrates, and is formed by The conveying mechanism 3 transports the glass panel assembly 2, and at the same time performs the sealing process of melting the sealing glass frit, among which, the first forced convection heating chamber 4 is arranged sequentially, as a preliminary heating part, forcibly making the heat-carrying gas flow along the The conveying direction of the glass panel assemb...

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Abstract

Purpose To provide a glass panel assembly sealing method and sealing process furnace used therewith wherein coordinated control of temperature and pressure enables the removal of impure gas and the like from the glass panel assembly and reduces the amount of residual impure gas and the liked remaining in the glass panel assembly after the sealing process is complete. Means A seal frit is applied between two mutually overlaid glass substrates comprising a glass panel assembly. The internal temperature of the glass panel assembly is raised, through a forcefully circulated environment, to a preliminary temperature T1 which is near the initial melting temperature of the seal frit. The pressure (P1) of the internal environment is then reduced while the preliminary temperature is maintained. Thetemperature is then increased from the preliminary temperature up to the sealing temperature T2 by the forcefully circulated environment, after which the glass panel assembly is cooled by the forceful circulated environment.

Description

technical field [0001] The present invention relates to the ability to properly remove impure gases and the like by temperature control and combined pressure control in the stage of sealing treatment, and to reduce impurities remaining in the glass panel assembly after sealing treatment. A sealing treatment method and a sealing treatment furnace for a glass panel assembly in the amount of gas or the like. Background technique [0002] In the manufacturing process of the plasma display panel (hereinafter referred to as PDP), sealing glass frit (seal glass) sandwiched between a pair of glass substrates formed with fired products such as electrodes or dielectrics, phosphors, and spacers is included. frit) a step of performing a pre-firing treatment, and a step of performing a sealing treatment between glass substrates with the sealing frit thereafter. [0003] Specifically, in the stage of the pre-firing treatment, one of the pair of glass substrates is coated with a sealing g...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03C27/06H01J9/26F27B9/04F27B9/02F27B9/20F27D9/00F27D19/00F27D21/00H01J9/24H01J9/39H01J11/44H01J11/48
CPCC03C27/06F27D2009/0005F27D21/0014F27B9/04F27B9/20F27D9/00H01J9/261F27B9/02F27D19/00H01J9/26H01J11/48
Inventor 木曾田欣弥关忠
Owner CHUGAI RO CO LTD