申请人:Fuji Photo Film Co., Ltd.
公开号:US07153548B2
公开(公告)日:2006-12-26
A retardation plate having a high film strength and having an optical property is provided by using a biaxial liquid crystal compound, in which the direction having a minimum refractive index of the optically anisotropic thin layer almost coincides with the normal direction in the film plane of the retardation plate, and the retardation plate comprises a transparent support and at least one optically anisotropic layer containing a liquid crystal compound capable of expressing a biaxial liquid crystal phase, wherein the liquid crystal compound is a polymerizable compound and/or a polymer compound.
通过使用具有高薄膜强度和光学性能的双轴液晶化合物,提供了一种具有光学性能的减速板。在此减速板的薄膜平面中,具有最小折射率的方向几乎与法线方向重合。该减速板包括一个透明支撑体和至少一层含有能够表达双轴液晶相的液晶化合物的光学各向异性层。其中,液晶化合物是一种可聚合化合物和/或聚合物化合物。