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United States of America Patent

PATENT NO 11409028
APP PUB NO 20200158932A1
SERIAL NO

16632955

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A layered body including a polarizer material film that is a product of stretching in one or more directions, and a substrate film provided on the polarizer material film, the substrate film being a product of stretching in one or more directions, wherein a stretching ratio X of the polarizer material film is 1.5 or more and 5.5 or less, a thickness T2 is 20 μm or less, the thickness T2 being a thickness of the polarizer material film as a result of free end uniaxial stretching of the layered body at a stretching ratio 6.0/X, an angle θ2 formed by a stretching direction of the polarizer material film and a stretching direction of the substrate film is less than 1°, and a stretching ratio Y of the substrate film is smaller than the stretching ratio X of the polarizer material film.

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Patent Owner(s)

  • ZEON CORPORATION

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Inomata, Takamichi Tokyo, JP 8 6
Mashima, Hiromu Tokyo, JP 11 17

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