Polarizing element, circularly polarizing plate, and image display device

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United States of America Patent

PATENT NO 11703708
APP PUB NO 20210026195A1
SERIAL NO

17071245

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Abstract

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An object of the present invention is to provide a polarizing element which has an excellent antireflection function in a case of being applied to an image display device; and a circularly polarizing plate and an image display device, each of which has the polarizing element. The polarizing element of an embodiment of the present invention is a polarizing element having an alignment film and an anisotropic light-absorbing film formed using a dichroic substance, in which the alignment film is a photoalignment film formed using a composition for forming a photoalignment film, including a photoactive compound having a polymerizable group and a photoreactive group, a degree S of alignment of the anisotropic light-absorbing film is 0.92 or more, and an average refractive index nave at a wavelength of 400 to 700 nm of the alignment film is 1.55 to 2.0.

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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
Koito, Naoki Kanagawa, JP 26 37
Kuwayama, Yasukazu Kanagawa, JP 23 20
Takeda, Jun Kanagawa, JP 130 801

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