Cellulose ester film, polarizing plate, and liquid crystal display device
申请人:FUJIFILM Corporation
公开号:US10338290B2
公开(公告)日:2019-07-02
A cellulose ester film contains a compound having a structural unit denoted by —NR—(C═O)— in which R represents a hydrogen atom or a substituent, a surface having knoop hardness of greater than or equal to 210 N/mm2 is provided, and loss tangent tan δ at 25° C. is greater than or equal to 0.03.
CELLULOSE ACYLATE FILM, PROTECTIVE FILM FOR POLARIZING PLATE, POLARIZING PLATE, AND LIQUID CRYSTAL DISPLAY DEVICE
申请人:FUJIFILM CORPORATION
公开号:US20130120839A1
公开(公告)日:2013-05-16
There is provided a cellulose acylate film, containing a hindered amin-based compound, wherein the hindered amine-based compound is contained in an amount of 0.001% by mass to 5% by mass based on cellulose acylate, a minimum value of Knoop hardness is 170 N/mm
2
to 220 N/mm
2
, and the Knoop hardness is measured several times by a Knoop indenter, the Knoop indenter is rotated by a given angle in each measurement, and a rotation axis of the Knoop indenter is orthogonal to an upper surface of the cellulose acylate film.
PROTECTIVE FILM FOR POLARIZING PLATE, POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY DEVICE
申请人:FUJIFILM Corporation
公开号:US20140185135A1
公开(公告)日:2014-07-03
A protective film for polarizing plate contains a resin, an ultraviolet absorbing agent A having an absorption maximum in a wavelength range of from 350 to 400 nm and an ultraviolet absorbing agent B having an absorption maximum in a wavelength range of from 270 to 330 nm, and a content of the ultraviolet absorbing agent A is from 0.1 to 5% by weight relative to the resin, a content of the ultraviolet absorbing agent B is from 0.1 to 5% by weight relative to the resin, and the protective film fulfills the requirements (a) to (d) as defined herein.
CELLULOSE ESTER FILM, POLARIZING PLATE, AND LIQUID CRYSTAL DISPLAY DEVICE
申请人:FUJIFILM Corporation
公开号:US20160370522A1
公开(公告)日:2016-12-22
A cellulose ester film contains a compound having a structural unit denoted by —NR—(C═O)— in which R represents a hydrogen atom or a substituent, a surface having knoop hardness of greater than or equal to 210 N/mm
2
is provided, and loss tangent tan δ at 25° C. is greater than or equal to 0.03.