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Method for mending element by ink-jet print

A component and inkjet technology, which is applied in the field of repairing components by inkjet, can solve problems such as holes, component defects, and differences in hydrophilicity and water repellency

Inactive Publication Date: 2008-01-23
IND TECH RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the main problem of the inkjet method is the inhomogeneity of the film, followed by the phase separation (Phase Separation) that is easily caused during the inkjet coating and drying process.
The above problems will affect the quality and yield of components, especially in the case of high-resolution components, making it impossible to improve the resolution of thin-film components made by inkjet method
[0004] In addition, if the surface pretreatment effect of the substrate is uneven, even if the inkjet process can achieve accurate alignment spraying, the difference between the hydrophilicity and water repellency of the surface will cause the tiny fluid to be driven by capillary force in the component. In some cases, the component will appear uneven or even have defects such as holes in some local areas
If there is a hole in the filter element, it will produce a bright spot (White Omission), and a hole in the organic electroluminescent diode will cause a leakage current, which has a great impact on the element.
In addition, problems in the manufacturing process such as substrate contamination, inkjet satellites, and inkjet head clogging will cause component defects

Method used

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Embodiment Construction

[0044] The method for repairing components by means of inkjet disclosed in the present invention enables the inkjet head to complete the inkjet repair of multiple defective positions according to the optimized repair path. And design, detect and repair component defects according to the automated process to improve the quality and qualification rate of components.

[0045] Please refer to FIG. 1 , which is a flowchart of an embodiment of the present invention. To repair tiny defects of components by means of inkjet, firstly, step 110, execute defect image analysis program to identify multiple defect positions of components; Optimized repairing path; finally, step 130, make the inkjet head complete the inkjet repairing of multiple defect positions according to the optimized repairing path.

[0046] For a detailed description of the execution procedure of the defect image analysis, please refer to FIG. 2 , which is a flow chart of the execution of the defect image analysis. It...

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Abstract

This invention relates to an ink-spraying printing element repairing method, which distinguishes the all deflects through image analysis means and computes the optimization repairing path to accomplish the shortest displacement distance of all deflects repairing by ink-spraying head.

Description

technical field [0001] The invention relates to a method for repairing components, in particular to a method for repairing components by inkjet. Background technique [0002] Inkjet printing technology is a fine, high-reproducibility coating process that can meet the requirements of automation, miniaturization, cost reduction, manufacturing time schedule and environmental impact reduction in many electronic industry manufacturing technologies. The trend can be applied to the printing and forming of precision components of various materials. However, using the inkjet method to make high-resolution thin-film components, such as color filters (Color Filter) and organic electroluminescent diodes (Polymer Light Emitter Diode, PLED) used in liquid crystal display panels, requires quite precise positioning , the micro-droplets can be sprayed on the predetermined position, and at the same time, the micro-droplets attached to the substrate need to volatilize the solvent (water, orga...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02F1/1335G02B5/20B41J2/01
Inventor 郑兆凯林智坚邱琬雯吕志平陈富港张惠珍
Owner IND TECH RES INST