METHOD OF PRODUCING OPTICAL FILM LAMINATE
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United States of America Patent
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Mar 10, 2015
Grant Date -
Mar 12, 2015
app pub date -
Dec 16, 2013
filing date -
Sep 11, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A method of producing an optical film laminate includes: stretching and dyeing a laminate including a resin substrate and a polyvinyl alcohol-based resin layer formed on one side of the resin substrate to produce a polarizing film on the resin substrate; laminating a first protective film on the polarizing film on an opposite side to the resin substrate; and peeling the resin substrate, followed by laminating a second protective film on the polarizing film on a side from which the resin substrate has been peeled. The first protective film is a protective film to be placed on an optical cell side when the optical film laminate is attached to the optical cell, the second protective film is a protective film to be placed on an opposite side to the optical cell when the optical film laminate is attached to the optical cell.
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