POLARIZING PLATE AND OPTICAL DISPLAY APPARATUS COMPRISING THE SAME
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United States of America Patent
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Issued Date -
Feb 9, 2023
app pub date -
Jul 21, 2022
filing date -
Jul 21, 2022
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Abstract
A polarizing plate and an optical display apparatus including the same are provided. A polarizing plate includes: a polarizer; and a first optically functional layer and a first protective layer sequentially stacked on a surface of the polarizer, and the optically functional layer includes a resin layer and acicular microparticles, the resin layer having a glass transition temperature (Tg) of −70° C. to −15° C. and a storage modulus of 1×10−3 MPa to 9×10−1 MPa at 25° C., and the acicular microparticles being oriented in an in-plane direction of the first optically functional layer, and, when a light absorption axis of the polarizer is 0°, orientation angles of longitudinal directions of the acicular microparticles with respect to the light absorption axis of the polarizer have an average value of −10° to +10° and a standard deviation of 15° or less.
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