A display device includes: a first substrate; a second substrate overlapping the first substrate and separated from the first substrate; a liquid crystal layer disposed between the first substrate and the second substrate, and including a plurality of liquid crystal molecules; a first alignment layer disposed between the first substrate and the liquid crystal layer; and a second alignment layer disposed between the second substrate and the liquid crystal layer, wherein the first alignment layer includes at least one of a compound represented by Chemical Formula 1 and a compound represented by Chemical Formula 2: