Protective film for polarizing plate and polarizing plate using the same

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United States of America Patent

PATENT NO 9650481
SERIAL NO

15188127

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Abstract

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There are provided a protective film for a polarizing plate, wherein the protective film comprises a stretched film comprising a (meth)acryl-based resin and having an absolute value of a planar orientation coefficient ΔP of less than or equal to 2.5×10−4, and a polarizing plate comprising a polarizing film, and the protective film for a polarizing plate laminated on at least one surface of the polarizing film via an adhesive layer. The stretched film can be, for example, a biaxially stretched film.

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Patent Owner(s)

  • SUMITOMO CHEMICAL COMPANY, LIMITED

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Okada, Tomokazu Niihama, JP 7 40
Shiraishi, Takayuki Niihama, JP 26 296
Sumida, Koji Niihama, JP 4 57

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