Colored curable resin composition, color filter, display device, and solid-state imaging element

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By adding a polymerizable compound with a methacryloyl group to the colored curable resin composition, the problems of large changes in film thickness, low residual film ratio and insufficient pattern formation in the prior art are solved, and the effects of excellent residual film ratio and pattern formation before and after development are achieved.

CN119689778APending Publication Date: 2025-03-25SUMITOMO CHEM CO LTD

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Patent Information

Application Number: CN202411283966.0
Authority / Receiving Office: CN · China
Patent Type: Applications(China)
Current Assignee / Owner
Priority Date: 2023-09-25
Filing Date: 2024-09-13
Publication Date: 2025-03-25

Application Information

Patent Timeline

25 Sep 2023

Priority

13 Sep 2024

Application

CN202411283966.0

25 Mar 2025

Publication

CN119689778A

IPC: G03F7/004; G02B5/22; G03B11/04; G03F7/027

CPC: G03F7/105; G03F7/028; G03F7/031; H10F39/8053; H10F39/182; G02B5/20; G03F7/004

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Application Domain

Optical filters Camera filters

Technology Topics

Polymer science Total solid content

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AI Technical Summary

Technical Problem

In the prior art, the cured product of the colored curable resin composition has problems such as large film thickness changes before and after development, low residual film ratio, and insufficient pattern formation.

Method used

A color curable resin composition including a colorant, a resin, a polymerizable compound, a multifunctional thiol compound and a photopolymerization initiator is provided. The polymerizable compound is a compound having a methacryloyl group and the content of the multifunctional thiol compound is greater than 10 mass %.

Benefits of technology

The residual film ratio and pattern formation before and after development are achieved, and the performance of the color filter is improved.

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Abstract

The invention provides a colored curable resin composition which can provide a cured product with excellent residual film rate before and after development and excellent pattern formability. Disclosed is a colored curable resin composition containing a colorant, a resin, a polymerizable compound, a polyfunctional thiol compound, and a photopolymerization initiator. The polymerizable compound is a compound having a methacryloyl group. The content of the polyfunctional thiol compound is greater than 10% by mass based on the total solid content of the colored curable resin composition.

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