Optically anisotropic film

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United States of America Patent

PATENT NO 9372296
APP PUB NO 20150205028A1
SERIAL NO

14602687

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Abstract

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An optically anisotropic film which is superior in light leakage suppression in black display is provided. An optically anisotropic film is provided, which has a refractive index relation of nx>nz>ny, wherein nx−nz is less than 0.005, and nz−ny is less than 0.004, wherein nz represents a refractive index in the thickness direction, nx represents an in-plane refractive index in a direction in which a maximum refractive index is generated in the plane of the film, and ny represents a refractive index in a direction perpendicular to the diction of nx direction in the plane of the 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
Kobayashi, Tadahiro Osaka, JP 31 169

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