In-plane field type liquid crystal display device comprising liquid crystal molecules with more than two kinds of reorientation directions
View Patent ↗A liquid crystal display device includes a first substrate and a second substrate with a liquid crystal material sandwiched therebetween, neighboring first, second, third and fourth regions arranged in a rectangular shape and in a clockwise direction, the first, second, third and fourth regions having a first pixel electrode, a second pixel electrode, a third pixel electrode and a fourth pixel electrode, respectively. The first pixel electrode and the third pixel electrode extend in a parallel direction to one another, and the second pixel electrode and the fourth pixel electrode extend in a parallel direction to one another.
1. A liquid crystal display device comprising:
a first substrate and a second substrate;
a liquid crystal material sandwiched between the first substrate and the second substrate;
neighboring first, second, third and fourth regions being arranged in a rectangular shape and in a clockwise direction; and
the first, second, third and fourth regions having a first pixel electrode, a second pixel electrode, a third pixel electrode and a fourth pixel electrode, respectively;
wherein the first pixel electrode, second pixel electrode, third pixel electrode and the fourth pixel electrode have a substantially linear shape, and a major portion of the substantially linear shape of the first pixel electrode, the second pixel electrode, the third pixel electrode and the fourth pixel electrode extends in a linear direction which is non-parallel to an extension direction of a drain signal line and to an extension direction of a gate signal line;
wherein the first pixel electrode and the third pixel electrode extend in a parallel direction to one another, and the second pixel electrode and the fourth pixel electrode extend in a parallel direction to one another.
2. The liquid crystal display device according to claim 1 , wherein the first pixel electrode and the fourth pixel electrode are arranged in a mirror direction to one another so that the major portion of the first pixel electrode and the fourth pixel electrode extend in a non-parallel direction to one another.
3. The liquid crystal display device according to claim 2 , wherein the second pixel electrode and the third pixel electrode are arranged in a mirror direction to one another so that the major portion of the second pixel electrode and the third pixel electrode extend in a non-parallel direction to one another.
4. The liquid crystal display device according to claim 1 , wherein the first pixel electrode and the fourth pixel electrode have substantially a same length.
5. The liquid crystal display device according to claim 4 , wherein the second pixel electrode and the third pixel electrode have substantially a same length.
6. The liquid crystal display device according to claim 1 , wherein the first pixel electrode and the third pixel electrode have substantially a same length.
7. The liquid crystal display device according to claim 6 , wherein the second pixel electrode and the fourth pixel electrode have substantially a same length.
8. The liquid crystal display device according to claim 1 , wherein a non-display cross section is provided at a corner of the first, second, third and fourth regions.
9. The liquid crystal display device according to claim 8 , wherein the first pixel electrode and the fourth pixel electrode are arranged in a mirror direction to one another so that the major portion of the first pixel electrode and the fourth pixel electrode extend in a non-parallel direction to one another.
10. The liquid crystal display device according to claim 9 , wherein the second pixel electrode and the third pixel electrode are arranged in a mirror direction to one another so that the major portion of the second pixel electrode and the third pixel electrode extend in a non-parallel direction to one another.
11. The liquid crystal display device according to claim 8 , wherein the first pixel electrode and the fourth pixel electrode have substantially a same length.
12. The liquid crystal display device according to claim 11 , wherein the second pixel electrode and the third pixel electrode have substantially a same length.
13. The liquid crystal display device according to claim 8 , wherein the first pixel electrode and the third pixel electrode have substantially a same length.
14. The liquid crystal display device according to claim 13 , wherein the second pixel electrode and the fourth pixel electrode have substantially a same length.
15. The liquid crystal display device according to claim 8 , wherein the non-display cross section has a “+” like shape.
16. The liquid crystal display device according to claim 1 , wherein the first pixel electrode and the second pixel electrode are arranged in a mirror direction to one another so that the major portion of the first pixel electrode and the second pixel electrode extend in a non-parallel direction to one another.
17. The liquid crystal display device according to claim 16 , wherein the third pixel electrode and the fourth pixel electrode are arranged in a mirror direction to one another so that the major portion of the third pixel electrode and the fourth pixel electrode extend in a non-parallel direction to one another.
18. The liquid crystal display device according to claim 16 , wherein the first pixel electrode and the second pixel electrode have substantially a same length.
19. The liquid crystal display device according to claim 18 , wherein the third pixel electrode and the fourth pixel electrode have substantially a same length.
20. The liquid crystal display device according to claim 1 , wherein the major portion of the first pixel electrode and the third pixel electrode which extend in the parallel direction to one another extend in a non-parallel direction to the major portion of the second pixel electrode and the fourth pixel electrode which extend in the parallel direction to one another.