The protrusions PP1 and the concaves CV1 are positioned between the perimeter P118A of the 取向層 118A and the edge E112A of the support plate 112A. The concaves CV1 and the protrusions PP1 may be alternately arranged. In some embodiments, the arrangement, the shape, the size and the like of the concaves CV1 and the protrusions PP1 in top view may be similar to those of the microstructures MS2 in FIG. 2.