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Method for forming bezel pattern using inkjet printing

一种喷墨印刷、边框的技术，应用在印刷的后处理、印刷、复制/标记方法等方向，能够解决边框图案和基板界面处短路等问题，达到优异粘合强度、优异性能的效果

Active Publication Date: 2018-08-21
LG CHEM LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in order to obtain a certain level of optical density (OD) by the screen printing method, two or more printings are required, and as a result, when a frame pattern having a thickness of 10 micrometers is formed on a substrate and electrodes are formed thereon , a short circuit may occur at the interface between the bezel pattern and the substrate

Method used

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  • Method for forming bezel pattern using inkjet printing
  • Method for forming bezel pattern using inkjet printing
  • Method for forming bezel pattern using inkjet printing

Examples

Experimental program
Comparison scheme
Effect test

preparation example 1

[0087] Preparation Example 1. Preparation of UV Curable Ink Composition

[0088] 60.00 g of pigment dispersion (manufactured by Tokushiki Co., Ltd., 18.00 g of carbon black, 3.60 g of acrylic dispersant and 38.40 g of 1,6-hexanediol dimethacrylate), 10.00 g of melamine acrylate Oligomer (Miramer SC9610, manufactured by Miwon Professional Chemical Co., Ltd.), 19.90 g of binder solution (17.90 g of 2-hydroxyethyl acrylate as the second reactive monomer and 2.00 g of Resin PD7610, manufactured by Almatex Corporation), 3.00 g of KBM-403 (manufactured by Shin-Etsu Chemical Co., Ltd.) as an adhesive strength enhancer, 7.00 g of photoinitiators (5.00 g of ), 0.05 g of BYK-307 as a surfactant and 0.05 g of hydroquinone monomethyl ether (MEHQ) as a polymerization inhibitor were mixed, and then the mixture was stirred for 6 hours to prepare 100 g of an ultraviolet curable ink combination thing.

preparation example 2

[0089] Preparation Example 2. Preparation of UV Curable Ink Composition

[0090]In addition to using 10.00 g of epoxy acrylate oligomer (Miramer SC6400, manufactured by Miwon Specialty Chemical Co., Ltd.) instead of 10.00 g of melamine acrylate oligomer (Miramer SC9610, manufactured by Miwon Specialty Chemical Co., Ltd.), the An ultraviolet curable ink composition for a frame was prepared in the same manner as in Example 1.

preparation example 3

[0091] Preparation Example 3. Preparation of UV Curable Ink Composition

[0092] 50.00 g of pigment dispersion (15.00 g of carbon black, 3.00 g of acrylic dispersant and 32.00 g of hexanediol dimethacrylate), 10.00 g of melamine acrylate oligomer (MiramerSC9610, produced by Miwon Professional Chemical Co., Ltd.), 29.90 g of binder solution (17.90 g of 2-hydroxyethyl acrylate as the second reactive monomer, 10.00 g of trimethylolpropane triacrylic acid as the second reactive monomer Ester and 2.00 g of PD7610 as an epoxy resin, manufactured by Almatex Corporation), 3.00 g of KBM-403 as an adhesive strength enhancer (manufactured by Shin-Etsu Chemical Co., Ltd.), 7.00 g of photoinitiator ( 5.00g of Irgacure907 and 2.00g of ), 0.05 g of BYK-307 as a surfactant and 0.05 g of hydroquinone monomethyl ether (MEHQ) as a polymerization inhibitor were mixed, and then the mixture was stirred for 6 hours to prepare 100 g of an ultraviolet curable ink combination thing.

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Abstract

The present invention relates to a method for forming a bezel pattern using inkjet printing. According to the present invention, it is possible to form a bezel pattern which is flat and has excellentadhesion to a substrate without curing shrinkage during formation of a bezel pattern. Accordingly, the present invention can provide: a bezel pattern that is excellent in performance, durability, andchemical resistance; and a display substrate including the same.

Description

technical field [0001] This application claims the benefit of priority based on Korean Patent Application No. 10-2016-0043445 filed on April 8, 2016, the entire disclosure of which is incorporated herein by reference. [0002] The present invention relates to a method of forming a frame pattern using inkjet printing. Background technique [0003] In the related art, the process of forming the frame pattern of the touch panel is implemented by screen printing method in most cases. However, in order to obtain a certain level of optical density (OD) by the screen printing method, two or more printings are required, and as a result, when a frame pattern having a thickness of 10 micrometers is formed on a substrate and electrodes are formed thereon , a short circuit may occur at the interface between the bezel pattern and the substrate. [0004] Therefore, there have been attempts to form a frame pattern by an inkjet printing method. The inkjet printing method has the advantag...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/041C09D11/30C09D11/322C09D11/326C09D11/38
CPCB41M7/0081B41M7/009C09D11/101C09D11/102C09D11/322C09D11/30C09D11/326C09D11/38G06F3/041G06F2203/04103B41J3/407B41M5/0011B41M5/0023
Inventor 俞在贤金美经
Owner LG CHEM LTD
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