In-plane switching mode liquid crystal display device
View Patent ↗An in-plane switching mode LCD device includes first and second substrates, a gate line and a data line arranged horizontally and vertically on the first substrate and defining a pixel, a switching device at each crossing of the gate line and the data line, a first common electrode having a first grid structure disposed in the pixel, a first pixel electrode having a second grid structure disposed in the pixel, a first region in the pixel region defined by first sides of the first grid and second sides of the second grid, a second common electrode connecting the first sides and a second pixel electrode connecting the second sides and defining a second region in the first region, a first alignment film and a second alignment film at facing surfaces of the first and second substrate, and a liquid crystal layer between the first and the second substrates.
1. An in-plane switching mode LCD device comprising:
first and second substrates;
a gate line and a data line arranged horizontally and vertically on the first substrate and defining a pixel;
a first common electrode disposed in the pixel, the first common electrode including a plurality of first electrodes along the gate and data lines;
a first pixel electrode disposed in the pixel, the first pixel electrode including a plurality of second electrodes along the gate and data lines;
a first region in the pixel region defined by two sides of the first electrode and two sides of the second electrode;
an arc-shaped second common electrode connecting the first sides and an arc-shaped second pixel electrode connecting the second sides, the arc-shaped second common electrode and arc-shaped second pixel electrode being disposed in the first region defined by first and second electrodes to define a second region;
a first alignment film and a second alignment film at facing surfaces of the first and second substrate; and
a liquid crystal layer between the first and the second substrates.
2. The device of claim 1 , wherein the second common electrode and the second pixel electrode are symmetrical.
3. The device of claim 1 , wherein the first pixel electrode includes one or more abridged portions.
4. The device of claim 1 , wherein the first common electrode includes one or more abridged portions.
5. The device of claim 1 , wherein each of the first region includes an independent domain compensating for one another.
6. The device of claim 1 , wherein the switching device comprises:
a gate electrode connected to the gate line;
a gate insulation film on the gate electrode;
a semiconductor layer on the gate insulation film; and
a source and a drain electrodes on the semiconductor layer.
7. The device of claim 1 , wherein the second substrate includes a color filter and a black matrix.
8. The device of claim 1 , further comprising: a common line electrically connected to the first and the second common electrodes.
9. The device of claim 1 , further comprising:
a storage electrode connected to the first and the second pixel electrodes and forming a storage capacitor by overlapping the gate line.
10. The device of claim 1 , wherein the rubbing direction of the first and second alignment films is substantially the same direction of the gate line.
11. The device of claim 1 , wherein the rubbing direction of the first and second alignment films is substantially the same direction of the data line.