COMPOSITION, RETARDATION FILM, AND METHOD FOR PRODUCING RETARDATION FILM

    公开(公告)号:US20210198574A1

    公开(公告)日:2021-07-01

    申请号:US16963250

    申请日:2019-01-21

    Abstract: A composition includes a polymerizable liquid crystal compound (A), a photopolymerization initiator (B), and a crosslinking agent (C), and satisfies: |λa1−λb1|≤20 nm   (i), and λc1≤250 nm   (ii), where λa1 represents a wavelength of an absorption local maximum that is the longest one of wavelengths of absorption local maxima in a light absorption spectrum of from 200 nm to 500 nm of the polymerizable liquid crystal compound (A), λb1 represents a wavelength of an absorption local maximum that is the longest one of wavelengths of absorption local maxima in a light absorption spectrum of from 200 nm to 500 nm of the photopolymerization initiator (B), and λc1 represents a wavelength of at least one absorption local maximum in a light absorption spectrum of from 200 nm to 500 nm of the crosslinking agent (C)).

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