Liquid crystal display device comprising a first thin film having a chemical affinity for a material of a spacer that is greater than for a liquid crystal layer
View Patent ↗A liquid crystal display device, includes a first substrate including a first insulating substrate, a first thin film positioned on the first insulating substrate, and a first alignment layer positioned on the first thin film and including a first exposing area that exposes the first thin film, a second substrate facing the first substrate and including a second insulating substrate, a spacer positioned between the first substrate and the second substrate and including at least a part that corresponds to the first exposing area, and a liquid crystal layer positioned between the first substrate and the second substrate.
1. A liquid crystal display device, comprising:
a first substrate comprising a first insulating substrate, a first thin film positioned on the first insulating substrate, and a first alignment layer positioned on the first thin film, the first alignment layer comprising a first exposing area that exposes the first thin film;
a second substrate facing the first substrate and comprising a second insulating substrate;
a spacer positioned between the first substrate and the second substrate, the spacer comprising at least a part that corresponds to the first exposing area; and
a liquid crystal layer positioned between the first substrate and the second substrate,
wherein a chemical affinity of the first thin film for a material of the spacer is greater than a chemical affinity of the first thin film for the liquid crystal layer, and
wherein a chemical affinity of the first alignment layer for the liquid crystal layer is greater than a chemical affinity of the first alignment layer for the material of the spacer.
2. The liquid crystal display device of claim 1 , wherein the second substrate further comprises a second alignment layer positioned on the second insulating substrate.
3. The liquid crystal display device of claim 2 , wherein the liquid crystal layer directly contacts the first alignment layer and the second alignment layer.
4. The liquid crystal display device of claim 2 , wherein the second substrate further comprises a second thin film positioned between the second alignment layer and the second insulating substrate, and
the second alignment layer comprises a second exposing area that exposes the second thin film.
5. The liquid crystal display device of claim 4 , wherein at least a part of the spacer is positioned to correspond to the second exposing area.
6. The liquid crystal display device of claim 4 , wherein the second exposing area is positioned to correspond to the first exposing area.
7. The liquid crystal display device of claim 2 , wherein the spacer directly contacts the first substrate and the second substrate.
8. The liquid crystal display device of claim 7 , wherein the first exposing area has a lattice shape.
9. The liquid crystal display device of claim 2 , wherein at least one of the first insulating substrate and the second insulating substrate comprises a plastic insulating substrate.
10. The liquid crystal display device of claim 2 , wherein the spacer comprises at least one of an ultraviolet ray curable resin and a thermal curable resin.
11. The liquid crystal display device of claim 1 , wherein the liquid crystal layer comprises a liquid crystal molecule, and
wherein the spacer comprises a polymer.
12. The liquid crystal display device of claim 11 , wherein a chemical affinity of the first thin film for the polymer is greater than a chemical affinity of the first thin film for the liquid crystal molecule.
13. The liquid crystal display device of claim 11 , a chemical affinity of the first alignment layer for the liquid crystal molecule is greater than a chemical affinity of the first alignment layer for the polymer.
14. The liquid crystal display device of claim 11 ,
wherein the second substrate further comprises a second alignment layer positioned on the second insulating substrate,
a chemical affinity of the second alignment layer for the liquid crystal molecule is greater than a chemical affinity of the second alignment layer for the polymer.