Colored curable composition, film, color filter, solid-state imaging device, and image display device

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The colored curable composition with a xanthene dye multimer and Compound A stabilizes hue by neutralizing alkaline components, addressing hue changes in color filters and improving their thermal and light resistance.

JP2026032691APending Publication Date: 2026-02-27FUJIFILM CORP

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Patent Information

Application Number: JP2024135462
Authority / Receiving Office: JP · JP
Patent Type: Applications
Current Assignee / Owner
Filing Date: 2024-08-14
Publication Date: 2026-02-27

Application Information

Patent Timeline

14 Aug 2024

Application

JP2024135462

27 Feb 2026

Publication

JP2026032691A

IPC: G03F7/004; G03F7/027; G02B5/20; H10F39/12; G09F9/30

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Application Domain

Optical filters Radiation controlled devices

Technology Topics

Xanthene dyeLight filter

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AI Technical Summary

Technical Problem

Color filters using xanthene dye structures in colored curable compositions experience hue changes during and after alkaline development due to decomposition of the dye, affecting spectral performance.

Method used

A colored curable composition comprising a xanthene dye multimer, a resin with an acid group (Compound A), a polymerizable compound, and a photopolymerization initiator, which suppresses hue change by neutralizing alkaline components post-development through thermal decomposition of Compound A.

Benefits of technology

The composition forms a film that effectively prevents hue changes before and after alkaline development and improves heat and light resistance, enhancing the stability of color filters and related devices.

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Abstract

To provide a colored curable composition from which a film excellent in suppression of hue change before and after alkali development and suppression of hue change due to heating after alkali development is obtained, and to provide a film, a color filter, a solid-state imaging device or an image display device.SOLUTION: The colored curable composition contains a colorant containing a xanthene colorant multimer, a compound A represented by general formula (1), a resin which is a compound different from the xanthene colorant multimer and the compound A and has an acid group, a polymerizable compound, and a photopolymerization initiator.SELECTED DRAWING: None

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