Patent classifications
C
CHEMISTRY; METALLURGY
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C08
ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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C08G
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
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2261/00
Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
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C08G2261/57
photorefractive, e.g. change of refractive index
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C08G2261/57

Phase contrast film and production method therefor
12319782 · 2025-06-03 · ·

A phase difference film formed of a resin containing a polymer having crystallizability, wherein: a coefficient of variation CV(Re) of an in-plane retardation of the phase difference film at a measurement wavelength of 590 nm is 1.0% or less.