Optical anisotropic membrane manufacturing method, optical element, liquid crystal display device, and organic electroluminescence display device

The invention provides an optical anisotropic membrane manufacturing method, an optical element, a liquid crystal display device, and an organic electroluminescence display device. The method can manufacture an excellent optical anisotropic membrane with uniform molecule orientation. The method comprises a coating step: coating a supporting base material with solution containing polymerized liquid crystal compound; a heating step: heating the membrane obtained at the step of coating to temperature TH in order to enable the solution to be evaporized; a step of cooling: cooling the membrane at step of heating to room temperature; and a step of polymerization: irradiating the membrane and enabling the membrane to be polymerized. The method is high in efficiency of manufacturing the membrane in a precise cooling control process through temperature control. 本发明提供种光学各向异性膜的制造方法、光学元件、液晶显示装置及有机电致发光显示装置，其能够效率良好地制造构成分子的取向均匀且优质的光学各向异性膜。本发明的光学各向异性膜的制造方法包括：涂布步骤，将包含聚合性液晶化合物的溶液涂布于支持基材上；加热步骤，为了使溶剂蒸发而将所述涂布步骤中获得的涂膜加热至温度T；冷却步骤，将