Method for manufacturing an optical film having a convexoconcave structure

A manufacturing method of an optical film provided with a convexoconcave structure, comprises the steps of: coating a resin solution including a first resin solved by a solvent onto an endless or roll-like mold provided with a convexoconcave structure, and forming a resin solution layer on the mold;...

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Main Authors Sato, Akira, Iwagaki, Masaru, Sato, Hirokazu, Ohmori, Shigeto, Miyazawa, Kazuhiro, Murakami, Takashi, Koyama, Hirokazu, Kubo, Nobuo, Tasaka, Koji, Oka, Shigeki
Format Patent
LanguageEnglish
Published 21.12.2010
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Summary:A manufacturing method of an optical film provided with a convexoconcave structure, comprises the steps of: coating a resin solution including a first resin solved by a solvent onto an endless or roll-like mold provided with a convexoconcave structure, and forming a resin solution layer on the mold; laminating a film substrate onto the resin solution layer to make a laminated film before the solvent in the resin solution layer is completely dried, the film substrate including a second resin, which is capable of absorbing the solvent or is soluble by the solvent; and peeling the laminated film from the mold before the solvent in the laminated film is completely dried.