MULTI-LAYERED POLARIZING SHEET, AND A NON-GLARING PRODUCT AND A POLARIZING SHEET FOR A LIQUID-CRYSTAL DISPLAY COMPRISING THE POLARIZING SHEET
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United States of America Patent
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Issued Date -
Oct 16, 2008
app pub date -
Apr 14, 2008
filing date -
Apr 13, 2007
priority date (Note) -
Abandoned
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Abstract
[Problem to be Solved] The present inventions provide a polarizing film and a polarizing sheet of which the resistance for the response in the vertical direction against the direction for the extension. [Means to Solve the Problem] In a multi-layered polarizing sheet comprising a laminated body in which a polarizing layer consisting of a polarizing film is held between two transparent plastic materials and is adhered to them, the polarizing layer is produced by dyeing a film made of poly(vinyl alcohol) and the like having a weight average molecular weight of 150,000-500,000 and by extending it. The non-glaring product and polarizing sheet for a liquid crystal display are produced by using the multi-layered polarizing sheet.
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