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Wavelength selective reflection film, optical film, method of manufacturing wavelength selective reflection film, and image display device
Wavelength selective reflection film, optical film, method of manufacturing wavelength selective reflection film, and image display device
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摘要
The present invention is a wavelength-selective reflection membrane which is a biaxially stretched optical membrane in which a discotic liquid crystal compound is fixed in a cholesteric phase state, the half-value width of the reflection wavelength region thereof being 40 nm or less.
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