A display device includes a substrate, a thin film transistor positioned on the substrate, a pixel electrode connected to the thin film transistor, an alignment layer positioned on the pixel electrode, a liquid crystal layer including liquid crystal molecules formed on the alignment layer and positioned in a plurality of microcavities, a roof layer positioned such that the roof layer is spaced apart from the pixel electrode with a microcavity interposed therebetween, and an overcoat positioned on the roof layer and covering a trench positioned between the plurality of microcavities, in which in the liquid crystal layer, a pre-tilt angle manifestation group positioned to be adjacent to the alignment layer is formed, and the pre-tilt angle manifestation group includes a polymer of a compound represented by Chemical Formula 1.