CELLULOSE COMPOSITION, OPTICAL FILM, RETARDATION SHEET, POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY DEVICE
申请人:YOSHIDA Aiko
公开号:US20100245744A1
公开(公告)日:2010-09-30
A cellulose composition, containing:
a cellulose compound;
a compound represented by formula (I); and
a low molecular weight compound (A);
wherein molecular absorption wavelength of the compound (A) derived from an electric dipole transition moment My in a direction approximately orthogonal to a molecular long axis direction, is longer than that derived from an electric dipole transition moment Mx in a direction approximately parallel to the molecular long axis direction; and
wherein |My| is larger than |Mx|:
wherein L
1
to L
4
represent a single bond or a specific divalent linking group; Y
1
and Y
2
represent an alkyl group; Ra, Rb and Rc represent a substituent; m represents an integer of 0 to 4; t represents an integer of 1 or 2; and m11 and m12 represent an integer of 0 to 10.