| abstract |
The present invention provides a liquid crystal optical element in which optical characteristics are varied by using a liquid crystal, specifically, a liquid crystal Fresnel lens, more specifically, a liquid crystal Fresnel lens obtained by a high-quality and simple method. The present invention relates to a liquid crystal alignment film having alignment molecules, wherein when the alignment molecules are located at a predetermined distance from a predetermined point of the liquid crystal alignment film, the alignment direction of the alignment molecules is aligned with a plane formed by the liquid crystal alignment film A liquid crystal alignment layer forming an angle with respect to a straight line parallel to the distance; And a liquid crystal optical element having the liquid crystal alignment film. |