A liquid crystal display (LCD) device comprises a first substrate, a second substrate disposed to face the first substrate, a liquid crystal layer which is disposed between the first substrate and the second substrate and which includes multiple liquid crystal molecules, and a self-alignment layer formed between the first substrate and the liquid crystal layer, the self-alignment layer comprising a vertical alignment additive having a molecular structure having a hydrophilic group and a polymerized group formed in both ends of a core molecule, wherein a major axis of the vertical alignment additive is at an angle less than about 90° with respect to a surface of the first substrate.