System and method for manufacturing optical display device, set of material rolls and method for manufacture thereof
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United States of America Patent
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Jan 19, 2016
Grant Date -
Feb 21, 2013
app pub date -
Oct 22, 2012
filing date -
May 15, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
A system for manufacturing an optical display device includes providing a roll of a belt-shaped sheet material including an optical film and a release film, which has score lines previously formed by cutting layers of the material other than the release film. The optical film is bonded to a rectangular optical display unit of the display device. In the bonding steps, a first optical film is divided by the score lines into pieces each having a length corresponding to a long side of the display unit, and a second optical film is divided by the score lines into pieces each having a length corresponding to a short side of the display unit. The first optical film has a first polarizing plate whose longitudinal direction is parallel to its absorption axis, and the second optical film has a second polarizing plate whose longitudinal direction is parallel to its absorption axis.
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