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Frame-sealing-glue coating nozzle and frame-sealing-glue coating device

A coating device and sealing glue technology, which is applied to the surface coating liquid device, spraying device, coating, etc., can solve the problems of glue throwing, sealing glue dripping, product failure, etc., to improve accuracy , improve the yield of products, and avoid the effect of plastic rejection

Inactive Publication Date: 2015-11-11
BOE TECH GRP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The defect of the above-mentioned prior art is that, when using the existing frame sealant coating device to coat the frame sealant, the glue throwing phenomenon often occurs, that is, the frame sealant drips on the display area of ​​the substrate, resulting in defective products

Method used

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  • Frame-sealing-glue coating nozzle and frame-sealing-glue coating device

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Embodiment Construction

[0044] In order to avoid the phenomenon of glue rejection in the frame sealing glue coating process and improve the product yield, the embodiment of the present invention provides a frame sealing glue coating nozzle and a frame sealing glue coating device. In order to make the purpose, technical solution and advantages of the present invention clearer, the following examples are given to further describe the present invention in detail.

[0045]The frame sealing adhesive coating nozzle provided by the embodiment of the present invention includes a nozzle chamber, a mouth communicating with the nozzle chamber, a telescopic inner film located in the nozzle chamber, and a driving device for driving the telescopic inner film to deform in the nozzle chamber. The film reduces the volume of the nozzle cavity in the first deformation state, extrudes the sealing glue in the nozzle cavity through the mouth, and the stretchable inner film increases the volume of the nozzle cavity in the s...

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Abstract

The invention relates to the technical field of display device manufacturing, discloses a frame-sealing-glue coating nozzle and a frame-sealing-glue coating device and aims at avoiding the glue spinning phenomenon in the frame-sealing-glue application process and improving the good product rate of products. The frame-sealing-glue coating nozzle comprises a nozzle cavity, a nozzle opening communicated with the nozzle cavity, an extending-and-contracting inner membrane located in the nozzle cavity and a driving device which drives the extending-and-contracting inner membrane to be deformed in the nozzle cavity, when the extending-and-contracting inner membrane is in the first deformation state, the volume of the nozzle cavity is decreased, frame-sealing glue in the nozzle cavity is extruded, when the extending-and-contracting inner membrane is in the second deformation state, the volume of the nozzle cavity is increased, and the frame-sealing glue at the nozzle opening is sucked into the nozzle cavity.

Description

technical field [0001] The invention relates to the technical field of manufacturing display devices, in particular to a frame sealing glue coating nozzle and a frame sealing glue coating device. Background technique [0002] The liquid crystal panel of a Thin Film Transistor Liquid Crystal Display (TFT-LCD for short) mainly includes: a color filter substrate and an array substrate arranged in opposite boxes, and a liquid crystal layer filled between the color filter substrate and the array substrate. [0003] The process of setting the pre-prepared color filter substrate and the array substrate in the box is called the "box matching process". The peripheral area is evenly coated with sealant; after the above steps are completed, the two substrates are boxed together, and the sealant is cured to achieve the lamination of the two substrates. [0004] Such as figure 1 As shown, it is a schematic structural diagram of an existing sealant coating device, including: a storage c...

Claims

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Application Information

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IPC IPC(8): B05C5/02B05C11/10
CPCB05C5/0225B05B11/04B05C11/10
Inventor 井杨坤车晓盼王凯蒋辉徐志伟
Owner BOE TECH GRP CO LTD
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