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Absorbance is a measure of the amount of light with a specified wavelength that a given material prevents from passing through it. Absorbance does not necessarily measure the amount of light that the material absorbs. For example, absorbance would also include light that is dispersed by the sample material.
Liquid crystal composition, light absorption anisotropic film, laminate, and image display device
PendingUS20200172810A1High degree of alignmentExcellent solubilityLiquid crystal compositionsPolarising elementsSide chainLight absorbance
A liquid crystal composition contains a side chain type polymer liquid crystalline compound which can form a light absorption anisotropic film having a high alignment degree and has excellent solubility in a general-purpose solvent, a light absorption anisotropic film obtained using the composition, a laminate, and an image display device. The composition includes: a side chain type polymer liquid crystalline compound; and a dichroic substance, in which the compound is a copolymer having a repeating unit (1) containing a mesogenic group with a molecular weight of greater than 280 and a repeating unit (2) with a molecular weight of 280 or less, a content of the repeating unit (2) is less than 14% by mass with respect to a total mass of the compound, and a content of the dichroic substance is greater than 2% by mass with respect to a total solid content of the composition.
Owner:FUJIFILM CORP