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Patent Searching and Data


Title:
METHOD FOR MANUFACTURING OPTICAL FILM, OPTICAL FILM, AND DEVICE FOR MANUFACTURING OPTICAL FILM
Document Type and Number:
WIPO Patent Application WO/2012/053428
Kind Code:
A1
Abstract:
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.

Inventors:
NAKAI KOUTA (JP)
TANAKA SATORU (JP)
SUTOU SADAJI (JP)
Application Number:
PCT/JP2011/073609
Publication Date:
April 26, 2012
Filing Date:
October 14, 2011
Export Citation:
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Assignee:
NITTO DENKO CORP (JP)
NAKAI KOUTA (JP)
TANAKA SATORU (JP)
SUTOU SADAJI (JP)
International Classes:
G02B5/30; B26D7/10
Foreign References:
JP2003161935A2003-06-06
JP2010058285A2010-03-18
JP2005305637A2005-11-04
JP2004174664A2004-06-24
Attorney, Agent or Firm:
FUJIMOTO, NOBORU (JP)
Noboru Fujimoto (JP)
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Claims: