Coating device

Abstract

The invention discloses a coating device, which comprises a coating guide rail mechanism, coating sprayers and a coating base platform, wherein the coating sprayers are arranged on the coating guide rail mechanism and move along the coating guide rail mechanism in a reciprocating manner; the coating guide rail mechanism comprises at least two layers of coating guide rails; the coating guide rails are stacked up and down; two coating sprayers are arranged on each layer of coating guide rail; the coating base platform is arranged in the vertical space formed corresponding to each coating sprayer; a lifting mechanism for supporting the coating base platform and lifting the coating base platform up and down in the vertical direction is arranged on the coating base platform. According to the coating device, two or more layers of coating guide rails and corresponding coating sprayers are arranged at different heights; when different materials are coated, a glass substrate moves up and down along with the coating base platform and stops at different positions, so that continuous coating operation of four or more kinds of materials can be realized.

Description

technical field [0001] The invention relates to the technical field of spray coating, can be applied to flat panel displays and related fields, and more specifically relates to a coating device. Background technique [0002] Coating equipment is one of the core manufacturing equipment for flat panel displays. In order to reduce equipment investment, researchers have been continuously improving the method of production capacity. At present, the structure of the coating device is as figure 1 As shown, coating nozzles 1, 2 and coating platform 3 are included. If the third material is to be coated, the general solution is to use diluent to clean the pipeline and nozzle, and then replace with a new material, which can only be put into mass production after passing the test. This operation is time-consuming (typically more than four hours), wastes raw materials, and presents the risk of cross-contamination of coating materials. [0003] A coating device is disclosed in the pat...

AI Technical Summary

Problems solved by technology

The above-mentioned patent uses a pair of parallel guide rails to realize its rotation operation, so that the purpose of continuous work can be achieved, and the technical effect of shortening the production time is achieved. If different materials are applied, one of the nozzles needs to be cleaned, that is, in one During the process of gluing the guide rail, the other guide rail is cleaned and the coating solution is injected. In the whole coating process, only one parallel guide rail is used for coating, which is inefficient and cannot meet the technical requirements of different coating accuracy.

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