Anti-Newton ring film, and manufacturing method and use thereof
Abstract:
The anti-Newton ring film of the present invention is manufactured by subjecting a liquid phase containing one or a plurality of polymers, one or a plurality of curable resin precursors, and a solvent to phase separation through spinodal decomposition in association with evaporation of the solvent to thereby form a phase-separated structure, and then curing the curable resin precursor to form an anti-Newton ring layer having an arithmetic mean roughness Ra of 30 nm or less. This film may have a parallel light transmittance of 90% or greater, a haze of 3% or less, and a transmission image clarity of 90% or higher as measured by an image clarity meter using an optical comb with a width of 0.5 mm. The anti-Newton ring layer may contain the polymer and the curable resin precursor at a ratio (weight ratio) of from 1/99 to 60/40. This film can effectively suppress the occurrence of a Newton's ring in a resistive touch screen, and can suppress glare even in a high-definition LCD and an organic EL display.
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