Invention Grant
US07674518B2 Polyvinyl alcohol film and polarizing film and polarizing plate using the same 有权
聚乙烯醇薄膜和偏光片以及使用其的偏光板

Polyvinyl alcohol film and polarizing film and polarizing plate using the same
Abstract:
The present invention provides a polyvinyl alcohol film having a correlation length of 200 nm or less, the correlation length being derived from the result of light scattering measurement using a He—Ne laser having a wavelength of 633 nm as a light source.
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