Optical film, brightness enhancement film, backlight unit with brightness enhancement film, and liquid crystal display device

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United States of America Patent

PATENT NO 10961328
APP PUB NO 20180215843A1
SERIAL NO

15939848

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Abstract

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An optical film including: a cholesteric layer of a disk-like liquid crystal composition including a disk-like liquid crystal compound, in which the cholesteric layer exhibits a cholesteric liquid crystalline phase, and in which fluctuation of a helical pitch in a film thickness direction of the cholesteric layer is 2% or greater, and having a cholesteric liquid crystalline phase of a disk-like liquid crystal compound and a wide reflection bandwidth; a brightness enhancement film; a backlight unit with a brightness enhancement film; and a liquid crystal display device.

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Patent Owner(s)

Patent OwnerAddress
FUJIFILM CORPORATION26-30 NISHIAZABU 2-CHOME MINATO-KU TOKYO 106-8620

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Atsumi, Kunihiro Minami-ashigara, JP 36 112
Hoshino, Wataru Minami-ashigara, JP 66 509
Saitoh, Yukito Minami-ashigara, JP 184 811

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