Patent ID: 11947142
Assignee: FUJIFILM CORPORATION
Field: Optics (Instruments)
Classification: CPC G  H | IPC G

Claim 1:
2. The optical film according to claim 1,
wherein an in-plane retardation of the optically anisotropic layer (A) at a wavelength of 550 nm is 140 to 220 nm,
a value of a product And of a refractive index anisotropy Δn of the optically anisotropic layer (B) measured at a wavelength of 550 nm and a thickness d of the optically anisotropic layer (B) is 140 to 220 nm, and
an in-plane retardation of the optically anisotropic layer (C) at a wavelength of 550 nm is 0 to 10 nm, and a thickness direction retardation of the optically anisotropic layer (C) at a wavelength of 550 nm is −120 to −20 nm.