OPTICAL FILM, POLARIZING PLATE, AND IMAGE DISPLAY DEVICE

WIPO Patent Application WO/2019/177119

A1

An objective of the present invention is to provide an optical film which has excellent adhesion between a polymer support and an optical alignment film, and in which a liquid crystal compound having reverse wavelength dispersion properties is uniformly oriented. Another objective of the present invention is to provide a polarizing plate using the optical film, and an image display device using the optical film or the polarizing plate.　This optical film is formed by laminating a polymer support comprising an additive, an optical alignment film, and an optically anisotropic film in said order, wherein the optically anisotropic film is formed from a polymerizable liquid crystal composition comprising a polymerizable liquid crystal compound having reverse wavelength dispersion properties, and the content, in the boundary region between the optical alignment film and the optically anisotropic film, of components derived from the additive in the polymer support is 0.10-0.50 mass% with respect to the total mass of the optical alignment film.

WO/2013/046921	POLARIZER, POLARIZING OPTICAL ELEMENT, LIGHT SOURCE, AND IMAGE DISPLAY DEVICE
JP2005099097	OPTICAL FILM AND ITS MANUFACTURING METHOD, AND POLARIZING PLATE USING OPTICAL FILM
JP5720458	Method of switching product types in manufacturing optical films and optical films

AKUTAGAWA NOBUYUKI (JP)
KASEZAWA KUNIHIRO (JP)
KOMIYAMA TAKASHI (JP)

PCT/JP2019/010665

September 19, 2019

March 14, 2019

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FUJIFILM CORP (JP)

G02B5/30; B32B7/023; B32B27/00; G02F1/1335; G09F9/00

WO2017069252A1	2017-04-27
WO2015005122A1	2015-01-15

JP2015197501A	2015-11-09
JP2006133718A	2006-05-25
JP2006209098A	2006-08-10
JP2001174635A	2001-06-29

ITOH Hideaki et al. (JP)

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