A liquid crystal display device, comprising: a first substrate that has a first electrode disposed thereon; a second substrate that faces the first substrate; a liquid crystal layer that is disposed between the first substrate and the second substrate; and a first alignment layer that is disposed on the first substrate and is in contact with the liquid crystal layer, wherein the first alignment layer comprises: a first alignment base layer configured to be photoaligned and a first regulator (152, 152a) that is extended from the inside of the first alignment base layer, wherein the first alignment base layer contacts the liquid crystal layer and provides a first alignment force to the liquid crystal of the liquid crystal layer, wherein the first regulator (152, 152a) is configured to be formed by polymerizing a photopolymerizable monomer or oligomer which comprises a reactive mesogen, characterised in that the liquid crystal display device is configured to reinforce the first alignment force of the photoaligned first alignment base layer by the first regulator (152, 152a), the first regulator (152, 152a) includes a plurality of branches extending towards the outside from the first alignment base layer, and the plurality of branches corresponding to a same domain of the liquid crystal layer oriented at a same acute pre-tilt angle with respect to a surface of the first alignment base layer, wherein the liquid crystal display device is divided into n domains according to a pre-tilt of the first alignment layer the liquid crystal display device comprising n pixel groups, and each of the n pixel groups comprises at least one sub-pixel. a first substrate that has a first electrode disposed thereon; a second substrate that faces the first substrate; a liquid crystal layer that is disposed between the first substrate and the second substrate; and a first alignment layer that is disposed on the first substrate and is in contact with the liquid crystal layer, wherein the first alignment layer comprises: a first alignment base layer configured to be photoaligned and a first regulator (152, 152a) that is extended from the inside of the first alignment base layer, wherein the first alignment base layer contacts the liquid crystal layer and provides a first alignment force to the liquid crystal of the liquid crystal layer, wherein the first regulator (152, 152a) is configured to be formed by polymerizing a photopolymerizable monomer or oligomer which comprises a reactive mesogen, characterised in that the liquid crystal display device is configured to reinforce the first alignment force of the photoaligned first alignment base layer by the first regulator (152, 152a), the first regulator (152, 152a) includes a plurality of branches extending towards the outside from the first alignment base layer, and the plurality of branches corresponding to a same domain of the liquid crystal layer oriented at a same acute pre-tilt angle with respect to a surface of the first alignment base layer, wherein the liquid crystal display device is divided into n domains according to a pre-tilt of the first alignment layer the liquid crystal display device comprising n pixel groups, and each of the n pixel groups comprises at least one sub-pixel. a first alignment base layer configured to be photoaligned and a first regulator (152, 152a) that is extended from the inside of the first alignment base layer, wherein the first alignment base layer contacts the liquid crystal layer and provides a first alignment force to the liquid crystal of the liquid crystal layer, wherein the first regulator (152, 152a) is configured to be formed by polymerizing a photopolymerizable monomer or oligomer which comprises a reactive mesogen, characterised in that the liquid crystal display device is configured to reinforce the first alignment force of the photoaligned first alignment base layer by the first regulator (152, 152a), the first regulator (152, 152a) includes a plurality of branches extending towards the outside from the first alignment base layer, and the plurality of branches corresponding to a same domain of the liquid crystal layer oriented at a same acute pre-tilt angle with respect to a surface of the first alignment base layer, wherein the liquid crystal display device is divided into n domains according to a pre-tilt of the first alignment layer the liquid crystal display device comprising n pixel groups, and each of the n pixel groups comprises at least one sub-pixel.