Polarizing plate and optical display device comprising same
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United States of America
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Jan 28, 2025
Grant Date -
Sep 1, 2022
app pub date -
Aug 7, 2020
filing date -
Aug 7, 2020
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Abstract
Provided is a polarizing plate and an optical display device comprising same, the polarizing plate comprising: a polarizer; and a stack body of a first phase difference layer and a second phase difference layer stacked on a lower surface of the polarizer, wherein the first phase difference layer satisfies Equation 1, the second phase difference layer satisfies Equation 2, the sum of an in-plane phase difference at a wavelength of 550 nm between the first phase difference layer and the second phase difference layer is about 100 nm to about 110 nm, the sum of a thickness direction phase difference at a wavelength of 550 nm between the first phase difference layer and the second phase difference layer is about −30 nm to about +10 nm, and the second phase difference layer comprises a fluorine-based phase difference layer.
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