OPTICAL FILM, POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY DEVICE

An optical film including an acrylic resin having a lactone ring structure in a main chain thereof and an acrylonitrile-styrene resin, wherein a tensile elastic modulus in a machine direction, which are abbreviated as EMD, and a tensile elastic modulus in a direction perpendicular to the machine dir...

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Hauptverfasser: ARITA Shusuke, FURUKAWA Hiromichi, SANETO Ryuji
Format: Patent
Sprache:eng
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Zusammenfassung:An optical film including an acrylic resin having a lactone ring structure in a main chain thereof and an acrylonitrile-styrene resin, wherein a tensile elastic modulus in a machine direction, which are abbreviated as EMD, and a tensile elastic modulus in a direction perpendicular to the machine direction, which is abbreviated as ETD, satisfy the relationship of Equation (1): Equation (1) EMD/ETD