PIGMENT DISPERSION COMPOSITION USING NANO PARTICLE, COLORED PHOTOSENSITIVE COMPOSITION, PHOTOSENSITIVE RESIN TRANSFER MATERIAL, AND COLOR FILTER AND LIQUID CRYSTAL DISPLAY PRODUCED USING THEM

摘要

PROBLEM TO BE SOLVED: To provide a pigment dispersion composition which has a wide color reproduction range and uses organic pigment particles enabling production of a high-contrast color filter.

SOLUTION: Red, green and blue pigment dispersion compositions contain organic nano particles with the number-average particle diameter of 25 nm or less and the coefficient of variation (CV value) of 35% or less. When the filter is produced using the compositions, or when heating at 230°C or higher for more than 30 minutes is performed after production of the filter, a chromaticity change rate ΔE before and after the process is two or less.

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