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a coating method

A coating method and coating technology, which can be applied to devices for coating liquid on surfaces, coatings, pre-treatment surfaces, etc., can solve problems such as failure to effectively troubleshoot and waste resources, so as to avoid waste of resources and troubleshoot problems. Effect

Inactive Publication Date: 2017-03-01
HEFEI BOE OPTOELECTRONICS TECH +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In the actual coating process, the real-time monitoring information of the coating machine is abnormal and stops working, which may be caused by various reasons such as equipment failure of the coating machine or defects in the substrate, and the operator only marks the substrate or from the The processing taken out of the coating machine not only cannot effectively troubleshoot faults, but may also cause a waste of resources

Method used

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Embodiment Construction

[0031] The specific implementation of a coating method provided by the embodiment of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0032] A kind of coating method that the embodiment of the present invention provides, such as figure 1 shown, including the following steps:

[0033] S101. When it is detected that the coating is suspended during the process of coating the current substrate, according to the positional relationship between the nozzle and the current substrate and the state of the nozzle, determine that the coating state of the current substrate is an uncoated state or a coating state or coating completion state; when determining that the coating state of the current substrate is an uncoated state, perform step S102 or step S103; when determining that the coating state of the current substrate is a coating state or a coating completion state, Execute step S103;

[0034] S102, coating the current substrat...

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Abstract

The invention discloses a coating method. When coating suspension is detected during the process of coating the current substrate, according to the positional relationship between the nozzle and the current substrate and the state of the nozzle, it is determined that the coating state of the current substrate is unfinished. Coating state, coating state or coating completed state; for the uncoated state, re-coat the current substrate, or start coating the next substrate; for the coating state and coating completed state, start coating The next substrate; in this way, different processing methods are adopted according to different coating states. In the existing coating method, when the coating is suspended, the current substrate is directly marked and the next substrate is started to be coated or the current substrate is marked. Compared with the method of starting to coat the next substrate after the substrate is taken out of the coating machine, it can not only effectively troubleshoot faults, but also avoid waste of resources.

Description

technical field [0001] The invention relates to the field of display technology, in particular to a coating method. Background technique [0002] A coating machine is a key device in the display panel manufacturing process, which is used to evenly coat substances such as photoresist or sealant on the area to be coated on the substrate in the display panel. [0003] During the coating process of the coating machine, the coating machine will monitor the thickness of the substrate, the position of the nozzle lifting, the speed of coating, the size of the coating gap, and the perception of foreign matter on the surface of the substrate in real time. Any of the above information When one of them exceeds the set range, the coating machine will stop coating to ensure the uniformity of coating. When the coating machine stops working, the operator has the following two processing methods. One is to mark the current substrate, so that the substrate continues to flow to the downstream...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B05D1/12B05D3/00
CPCB05D1/00B05D1/02
Inventor 李志强尹冬冬成学佩刘志张伟
Owner HEFEI BOE OPTOELECTRONICS TECH
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