Optical coating film
AssigneeToyo Boseki Kabushiki Kaisha
InventorsKatsufumi Kumano, Naonobu Oda, Akira Ito
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Abstract
An optical coating film in accordance with the present invention makes it possible to prevent the generation of scratches having a size of a specific size or more, thus, since it becomes possible to reduce optical defects caused by the scratches, the optical coating film is suitably applicable to a base film for a prism sheet, an anti-reflection sheet and a hard coating film used for liquid crystal display, a base film for a near infrared ray absorbing film used for a front panel of a plasma display, a base film for a transparent conductive film used for touch panels and electro-luminescence or an anti-destruction film for cathode ray tube.
Claims11
An optical coating film which uses a transparent biaxial oriented thermoplastic resin film having a thickness of 50 μm or more as a base film, and has an adhesive property modifying resin layer on at least one surface of said base film,
- wherein the number of scratches being 1 μm or more in depth and 3 mm or more in length on the surface of said coating film is 100 pcs/m2 or less.
Dependencies are inferred from the claim text.