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Ink-jet printing method, equipment and storage medium

An inkjet printing and pre-printing technology, applied in the printing field, can solve the problems of increasing production costs and not meeting the trend of display screens.

Active Publication Date: 2022-02-11
GUANGDONG JUHUA PRINTING DISPLAY TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The above two methods either need to add new equipment, which increases the production cost, or need to set the solution buffer outside the AA area of ​​the substrate, which does not meet the current trend of "narrow border" of the display screen

Method used

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  • Ink-jet printing method, equipment and storage medium
  • Ink-jet printing method, equipment and storage medium
  • Ink-jet printing method, equipment and storage medium

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Embodiment Construction

[0057] In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the related drawings. Preferred embodiments of the invention are shown in the accompanying drawings. However, the present invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that a thorough and complete understanding of the present disclosure is provided.

[0058] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

[0059] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one...

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PUM

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Abstract

The invention relates to an ink-jet printing method, equipment, and a storage medium, and the method comprises the steps: pre-printing a functional layer on a first substrate, and determining a film thickness abnormal functional layer and a film thickness abnormal pixel region on the first substrate, the film thickness abnormal functional layer being a first functional layer; printing a first amount of solvent in an area, corresponding to the abnormal film thickness pixel area of the first substrate, on a second substrate, and printing a target volume of first functional layer ink in all printing areas to form a corrected first functional layer; obtaining a corrected first dosage of the solvent; and printing the first corrected amount of solvent in the area of nth substrate corresponding to the pixel area of the first substrate having abnormal film thickness, and printing the target volume of first functional layer ink in all printing areas, the difference between the formed thickness of the corrected first functional layer and the target thickness being within the error range. Therefore, the mura problem of the edge of the light-emitting area is solved on the premise that the manufacturing equipment cost is not increased and the requirement of a consumer for a narrow frame of the display screen is met.

Description

technical field [0001] The invention relates to the technical field of printing, in particular to an inkjet printing method, device and storage medium. Background technique [0002] In recent years, inkjet printing technology for making electronic devices or display devices has become more and more mature and widely used. The OLED (organic light emitting diode, organic electroluminescent device) display screen is produced by inkjet printing technology, and its material utilization rate can reach 90%. In terms of cost control of equipment and consumables, the cost of using inkjet printing technology is also lower than that of producing OLED panels by evaporation, which is currently a research hotspot in the production process of OLED panels. [0003] However, there are still some problems to be solved in inkjet printing technology. Among them, the more important issue is the uniformity of film formation. At present, there are various technological means to improve the unif...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41M5/00H01L51/56H01L21/66
CPCB41M5/0047H01L22/12H01L22/26H10K71/135
Inventor 魏雄伟
Owner GUANGDONG JUHUA PRINTING DISPLAY TECH CO LTD