Mask

摘要

A light irradiation apparatus and a method of manufacture a photo-aligning layer are disclosed. A mask included in a light irradiation apparatus according to one embodiment is configured to irradiate the light having straightness at a high level of illumination to a subject that is apart from the mask with a certain distance. A photo-aligning layer with a desired alignment pattern can be fabricated using the mask.

主权项

1. A method of generating linearly progressing light, comprising:
irradiating light toward a mask including at least one opening to guide the light to a subject; and guiding the light irradiated from the opening to the subject, wherein the opening is defined by the following Equation:
5a≦t  [Equation] (a: a distance between the mask and the subject, t: a thickness of the opening), wherein a size of the opening is adjusted according to the distance between the mask and the subject, wherein the subject has a curved surface, and wherein the curved surface of the subject has a curvature radius of 150 mm to 250 mm.