公开(公告)号：US20130265529A1

公开(公告)日：2013-10-10

申请号：US13857796

申请日：2013-04-05

Applicant: FUJIFILM CORPORATION

Inventor： Daiki WAKIZAKA ,  Kenichi FUKUDA ,  Tomohiko YAMAGUCHI

IPC: G02B5/30 ,  G02B1/10 ,  G02F1/1335

CPC classification number: G02B5/30 ,  G02B1/105 ,  G02B1/14 ,  G02B5/3008 ,  G02B5/305 ,  G02F1/133528 ,  Y10T428/1045 ,  Y10T428/24364

Abstract: There is provided an optical film including: a transparent support; an optically anisotropic layer on the outermost surface at one side of the transparent support; a hardcoat layer; and a low refractive index layer, wherein the hardcoat layer and the low refractive index layer are provided at the other side of the transparent support, the transparent support, the hardcoat layer, and the low refractive index layer contains an organic fine particles A having a specific particle size, an organic fine particles B having a specific particle size, and a binder such that a refractive index of 1.20 to 1.40 and average film thickness of 50 to 120 nm, a content of the inorganic fine particles B is appropriately controlled, and arithmetic mean roughness Ra of the optical film surface at a side having the low refractive index layer is a specific value.

Abstract translation: 提供了一种光学膜，包括：透明支撑体; 在透明支撑体的一侧的最表面上的光学各向异性层; 硬涂层; 和低折射率层，其中所述硬涂层和所述低折射率层设置在所述透明支撑体的另一侧，所述透明支撑体，所述硬涂层和所述低折射率层包含有机微粒A，其具有 具有特定粒径的有机细颗粒B和具有1.20至1.40的折射率和50至120nm的平均膜厚的粘合剂，适当地控制无机细颗粒B的含量，以及 具有低折射率层的一侧的光学膜表面的算术平均粗糙度Ra是特定值。