Liquid crystal display and manufacturing method of the same
View Patent ↗A liquid crystal display (LCD) includes: a first substrate; a second substrate facing the first substrate; a first electrode and a second electrode formed on the first substrate; and a liquid crystal layer interposed between the first substrate and the second substrate, wherein a first alignment polymer configured to provide an alignment force to the liquid crystal is at a portion of the liquid crystal layer near the first substrate.
1. A liquid crystal display (LCD) comprising:
a first substrate;
a second substrate facing the first substrate;
a first electrode and a second electrode formed on the first substrate; and
a liquid crystal layer interposed between the first substrate and the second substrate,
wherein a first alignment polymer configured to provide an alignment force to the liquid crystal is at a portion of the liquid crystal layer near the first substrate.
2. The liquid crystal display (LCD) of claim 1 , further comprising
a first alignment layer at the first substrate and contacting the liquid crystal layer,
wherein the first alignment polymer is at a portion of the liquid crystal layer near the first alignment layer, and
wherein the first alignment layer is a material configured to horizontally align a liquid crystal of the liquid crystal layer.
3. The liquid crystal display (LCD) of claim 2 , wherein
the first alignment polymer comprises a polymerized photo-polymerizable monomer or oligomer.
4. The liquid crystal display (LCD) of claim 3 , wherein
the liquid crystal layer comprises unpolymerized photo-polymerizable monomer or oligomer.
5. The liquid crystal display (LCD) of claim 1 , wherein
a second alignment polymer is at a portion of the liquid crystal layer near the second substrate, and
the second alignment polymer configured to provide an alignment force to a liquid crystal of the liquid crystal layer.
6. The liquid crystal display (LCD) of claim 5 , further comprising
a second alignment layer at the second substrate and contacting the liquid crystal layer,
wherein the second alignment polymer is at a portion of the liquid crystal layer near the second alignment layer, and
the second alignment layer is a material configured to horizontally align the liquid crystal of the liquid crystal layer.
7. The liquid crystal display (LCD) of claim 6 , wherein
the second alignment polymer comprises a polymerized photo-polymerizable monomer or oligomer.
8. The liquid crystal display (LCD) of claim 7 , wherein
the liquid crystal layer comprises unpolymerized photo-polymerizable monomer or oligomer.
9. The liquid crystal display (LCD) of claim 1 , wherein
the first electrode comprises a linear pixel electrode of a plurality of linear pixel electrodes, the second electrode comprises a linear common electrode of a plurality of linear common electrodes, and the linear pixel electrodes and the linear common electrodes are alternately arranged on the first substrate.
10. The liquid crystal display (LCD) of claim 1 , wherein
the first electrode comprises a linear pixel electrode, and the second electrode comprises a common electrode having a continuous surface in a pixel area.
11. A method for manufacturing a liquid crystal display (LCD), the method comprising:
forming a first electrode and a second electrode on a first substrate;
forming a second substrate;
injecting a liquid crystal and a photo-polymerizable monomer or oligomer between the first substrate and the second substrate; and
irradiating light to form an alignment polymer by polymerizing the photo-polymerizable monomer or oligomer.
12. The method of claim 11 , wherein
the photo-polymerizable monomer or oligomer is polymerized under an electric field or a magnetic field.
13. The method of claim 11 , wherein
the photo-polymerizable monomer or oligomer is polymerized under a temperature in the range from −20° C. to 30° C.
14. The method of claim 11 , further comprising:
forming a second alignment layer on the second substrate; and
rubbing the second alignment layer with a rubbing strength of less than 250 mm.
15. The method of claim 14 , further comprising
forming a first alignment layer on the first substrate.
16. The method of claim 15 , further comprising
rubbing the first alignment layer with a rubbing strength of less than 250 mm.
17. The method of claim 16 , wherein
the alignment polymer comprises a first alignment polymer formed near the first alignment layer and a second alignment polymer formed near the second alignment layer.
18. The method of claim 11 , wherein
the first electrode comprises a linear pixel electrode of a plurality of linear pixel electrodes, the second electrode comprises a linear common electrode of a plurality of linear common electrodes, and the linear pixel electrodes and the linear common electrodes are alternately arranged on the first substrate.
19. The method of claim 11 , wherein
the first electrode comprises a linear pixel electrode, and the second electrode comprises a common electrode having a continuous surface in a pixel area.