METHOD FOR MANUFACTURING OPTICAL FILM, OPTICAL FILM, AND DEVICE FOR MANUFACTURING OPTICAL FILM

Provided is a method for manufacturing an optical film in which an optical film blank provided with a polarizer is cut with a cutting tool to manufacture an optical film, wherein the method for manufacturing an optical film is characterized in that when the optical film blank is cut, the cutting is...

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Bibliographic Details
Main Authors NAKAI, KOUTA, TANAKA, SATORU, SUTOU, SADAJI
Format Patent
LanguageEnglish
French
Japanese
Published 26.04.2012
Subjects
CUTTING
DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING,CUTTING-OUT, STAMPING-OUT OR SEVERING
HAND CUTTING TOOLS
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PERFORMING OPERATIONS
PHYSICS
SEVERING
TRANSPORTING
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Summary:Provided is a method for manufacturing an optical film in which an optical film blank provided with a polarizer is cut with a cutting tool to manufacture an optical film, wherein the method for manufacturing an optical film is characterized in that when the optical film blank is cut, the cutting is performed in a state in which the polarizer is heated so that the temperature of the polarizer exceeds the ambient temperature. L'invention concerne un procédé de fabrication de film optique dans lequel une ébauche de film optique comportant un polariseur est découpée à l'aide d'un outil de coupe afin de fabriquer le film optique, ledit procédé étant caractérisé en ce que, lorsque l'ébauche de film optique est coupée, la coupe est effectuée dans un état dans lequel le polariseur est chauffé de sorte que la température du polariseur dépasse la température ambiante.
Bibliography:Application Number: WO2011JP73609