OPTICAL FILM, PHASE DIFFERENCE FILM, POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY DEVICE
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Sep 13, 2012
app pub date -
Mar 7, 2012
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Mar 7, 2011
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An optical film, including: an additive; a wax component; and a cellulose ester, wherein the optical film satisfies the following equations (1) and (2): Equation (1): |ΔC/Ct|≧0.1×(Ct/d−0.3) and Equation (2): Ct/d≧0.375; wherein Ct represents a total content of the additive whose unit is % by mass, d represents a film thickness whose unit is μm, and ΔC is represented by Ct−Cs; wherein Cs represents a surface content of the additive in at least one side of the optical film.
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