Liquid crystal display device
A liquid crystal display device includes a first substrate and a second substrate facing each other having a pixel region; a color filter layer on the first substrate corresponding to the pixel region; a planarization layer on the color filter layer having a groove; a common electrode on the planarization layer; a pixel electrode on the second substrate; and a liquid crystal layer between the common electrode and the pixel electrode.
1. A liquid crystal display device, comprising:
a first substrate and a second substrate facing each other having a pixel region;
a color filter layer on the first substrate corresponding to the pixel region;
a planarization layer on the color filter layer and having a first groove;
a common electrode on the planarization layer and having a second groove corresponding to the first groove;
a pixel electrode on the second substrate; and
a liquid crystal layer between the common electrode and the pixel electrode.
2. The device according to claim 1 , wherein the planarization layer directly contacts the color filter layer.
3. The device according to claim 1 , wherein the groove has a circular shape in a horizontal plane.
4. The device according to claim 1 , wherein the groove has a semi-circular shape in a vertical cross-section.
5. The device according to claim 1 , further including a black matrix between adjacent pixel regions.
6. The device according to claim 5 , wherein the color filter layer overlaps the black matrix and has a step portion at an overlapped position.
7. The device according to claim 6 , wherein an upper surface of the planarization layer is substantially even except for an area where the groove is disposed.
8. The device according to claim 1 , further including gate and data lines crossing each other and a thin film transistor connected to the gate and data lines and the pixel electrode on the second substrate.
9. A liquid crystal display device, comprising:
a first substrate and a second substrate facing each other having a pixel region;
a color filter layer on the first substrate and corresponding to the pixel region, the color filter layer having a step portion;
a planarization layer directly on the color filter layer and having a first groove;
a common electrode on the planarization layer and having a second groove corresponding to the first groove;
a pixel electrode on the second substrate; and
a liquid crystal layer between the common electrode and the pixel electrode.
10. The device according to claim 9 , wherein an upper surface of the planarization layer is substantially even except for a position where the groove is disposed.
11. The device according to claim 9 , wherein the groove has a circular shape in a horizontal plane.
12. The device according to claim 9 , wherein the groove has a semi-circular shape in a vertical cross-section.