Multi-domain liquid crystal display device and method for manufacturing the same

1. A multi-domain liquid crystal display (LCD) device comprising:

first and second substrates being opposite to each other;

a color filter layer having an opening on the first substrate;

an insulating layer on the first substrate including the color filter layer;

a pixel electrode without an opening on the first substrate including the insulating layer;

a first alignment layer on the insulating layer;

a protrusion on the second substrate and corresponding to the opening of the color filter layer;

a second alignment layer on the second substrate including the protrusion; and

a liquid crystal layer between the first and second substrates.

2. The multi-domain LCD device of claim 1 , further comprising:

a thin film transistor between the insulating layer and the first alignment layer.

3. The multi-domain LCD device of claim 1 , wherein the protrusion has a dielectric structure.

4. The multi-domain LCD device of claim 1 , wherein the protrusion is formed of acrylic resin, BCB or black resin.

5. The multi-domain LCD device of claim 1 , further comprising:

a common electrode on the second substrate.

6. The multi-domain LCD device of claim 5 , further comprising:

a black matrix layer between the second substrate and the common electrode.

7. The multi-domain LCD device of claim 1 , wherein the opening is formed in a pinwheel-shape.

8. The multi-domain LCD device of claim 1 , wherein the insulating layer is formed of any one of silicon nitride, silicon oxide, BOB, acrylic resin and polyimide compound.

9. The multi-domain LCD device of claim 1 , further comprising:

a thin film transistor between the first substrate and the color filer layer.

10. A method for manufacturing a multi-domain liquid crystal display (LCD) device, comprising:

providing first and second substrates being opposite to each other;

forming a color filter layer having an opening on the first substrate;

forming an insulating layer on the first substrate including the color filter layer;

forming a pixel electrode without an opening on the first substrate including the insulating layer;

forming a first alignment layer on the insulating layer;

forming a protrusion on the second substrate and corresponding to the opening of the color filter layer;

forming a second alignment layer on an entire surface of the second substrate including the protrusion; and

forming a liquid crystal layer between the first and second substrates.

11. The method of claim 10 , further comprising:

forming a thin film transistor array on the insulating layer of the first substrate before forming the first alignment layer.

12. The method of claim 10 , wherein the protrusion is formed of any one of acrylic resin, BCB and black resin.

13. The method of claim 10 , further comprising:

forming a common electrode on an entire surface of the second substrate before forming the protrusion.

14. The method of claim 13 , further comprising:

forming a black matrix layer between the second substrate and the common electrode.

15. The method of claim 10 , wherein the liquid crystal layer is formed using a liquid crystal dropping method or a liquid crystal injection method.

16. The method of claim 15 , wherein the liquid crystal layer is formed using the liquid crystal dropping method, and the liquid crystal dropping method includes process steps of forming a seal pattern on the second substrate, dropping liquid crystal on the first substrate, forming a spacer on the second substrate, bonding the first and second substrates to each other, and hardening the seal pattern.

17. The method of claim 10 , wherein the insulating layer is formed of any one of silicon nitride, silicon oxide, BCB, acrylic resin and polyimide compound.

18. The method of claim 10 , wherein, in the forming of the protrusion, the protrusion has a dielectric structure.

19. The method of claim 10 , wherein in the forming of the opening, the opening has a pinwheel-shape.

20. The method of claim 10 , further comprising:

forming a thin film transistor between the first substrate and the color filter layer.

21. A multi-domain liquid crystal display (LCD) device comprising:

first and second substrate being opposite to each other;

a color filter layer having an opening on the first substrate;

an insulating layer on an entire surface of the first substrate including the color filter layer;

a first alignment layer on the insulating layer;

a protrusion on the second substrate and corresponding to the opening of the color filter layer;

a second alignment layer on an entire surface of the second substrate including the protrusion; and

a liquid crystal layer between the first and second substrates,

wherein the opening is formed in a pinwheel-shape.

22. A method for manufacturing a multi-domain liquid crystal display (LCD) device, comprising:

providing first and second substrates being opposite to each other;

forming a color filter layer having an opening on the first substrate;

forming an insulating layer on an entire surface of the first substrate including the color filter layer;

forming a first alignment layer on the insulating layer;

forming a protrusion on the second substrate and corresponding to the opening of the color filter layer;

forming a second alignment layer on an entire surface of the second substrate including the protrusion; and

forming a liquid crystal layer between the first and second substrates,

wherein in the forming of the opening, the opening has a pinwheel-shape.

23. A multi-domain liquid crystal display (LCD) device comprising:

first and second substrates facing each other;

a color filter layer on the first substrate and having an opening;

a pixel electrode on the first substrate;

a protrusion on the second substrate and corresponding to the opening of the color filter layer; and

a liquid crystal layer between the first and second substrates; and

wherein the opening is formed in a pinwheel-shape.