METHOD FOR MANUFACTURING POLARIZER, AND POLARIZER AND POLARIZING PLATE MANUFACTURED USING SAME
The present invention relates to a method for manufacturing a polarizer, including: a) immersing and swelling a polyvinyl alcohol-based film in an aqueous solution containing an azo-based dye having an absorption wavelength of 300 nm to 550 nm; b) dyeing the swollen polyvinyl alcohol-based film with...
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Main Authors | , , , , , , , , , |
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Format | Patent |
Language | English |
Published |
05.10.2017
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Subjects | |
Online Access | Get full text |
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Summary: | The present invention relates to a method for manufacturing a polarizer, including: a) immersing and swelling a polyvinyl alcohol-based film in an aqueous solution containing an azo-based dye having an absorption wavelength of 300 nm to 550 nm; b) dyeing the swollen polyvinyl alcohol-based film with an iodine-based dye; and c) stretching the dyed polyvinyl alcohol-based film, and a polarizer manufactured using the method. |
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Bibliography: | Application Number: US201515510495 |