Electrode array structure of IPS-LCD
An electrode array structure comprises a plurality of teeth of a comb-shaped common electrode extending in a first lengthwise direction, and a plurality of teeth of a comb-shaped pixel electrode extending in a second lengthwise direction, wherein each tooth of the pixel electrode parallel is disposed between adjacent teeth of the common electrode. When the tooth of the common electrode has a rectangular profile, the tooth of the pixel electrode has a continuous ∠-shaped profile which may be formed by lengthwise linking of trapezoids or inverted trapezoids. When the tooth of the pixel electrode has a rectangular profile, the tooth of the common electrode has a continuous ∠-shaped profile which may be formed by lengthwise linking of trapezoids or inverted trapezoids. When the tooth of the pixel electrode has a continuous ∠-shaped profile which may be formed by lengthwise linking of trapezoids, the tooth of the common electrode has a continuous ∠-shaped profile which may be formed by lengthwise linking of inverted trapezoids.
1. An electrode array structure in a pixel area of an in-plane switching mode LCD (IPS-LCD), comprising:
a comb-shaped common electrode having a bar extending transversely and a plurality of rectangular teeth extending in a first lengthwise direction from the bar; and
a comb-shaped pixel electrode having a bar extending transversely and a plurality of teeth extending in a second lengthwise direction from the bar, wherein each tooth has a continuous ∠-shaped sidewall and parallel is disposed between adjacent teeth of the common electrode;
wherein each tooth of the pixel electrode is formed by lengthwise linking of a plurality of trapezoids.
2. The electrode array structure according to claim 1 , wherein the short-based length D 1 and the long-based length D 2 of the trapezoid satisfy the formula D 2 ≦|D 1 ±50 μm|, excluding the case that D 2 =D 1 .
3. The electrode array structure according to claim 1 , wherein two adjacent trapezoids are connected by a rectangular strip.
4. The electrode array structure according to claim 1 , wherein each tooth of the pixel electrode is formed by lengthwise linking of a plurality of inverted trapezoids.
5. The electrode array structure according to claim 4 , wherein the short-based length D 1 and the long-based length D 2 of the inverted trapezoid satisfy the formula D 2 ≦|D 1 ±50 μm|, excluding the case that D 2 =D 1 .
6. The electrode array structure according to claim 4 , wherein two adjacent inverted trapezoids are connected by a rectangular strip.
7. The electrode array structure according to claim 1 , wherein each tooth of the pixel electrode is indium tin oxide (ITO).
8. The electrode array structure according to claim 1 , wherein each tooth of the pixel electrode comprises:
a first electrode layer having a rectangular profile;
a second electrode layer disposed over the first electrode layer and having a continuous ∠-shaped sidewall; and
a protection layer sandwiched between the first electrode layer and the second electrode layer.
9. The electrode array structure according to claim 8 , wherein the second electrode layer is indium tin oxide (ITO).
10. The electrode array structure according to claim 1 , wherein each tooth of the pixel electrode comprises:
a first electrode layer having a continuous ∠-shaped sidewall;
a second electrode layer disposed over the first electrode layer and having a rectangular profile; and
a protection layer sandwiched between the first electrode layer and the second electrode layer.
11. The electrode array structure according to claim 10 , wherein the second electrode layer is indium tin oxide (ITO).
12. An electrode array structure in a pixel area of an in-plane switching mode LCD (IPS-LCD), comprising:
a comb-shaped common electrode having a bar extending transversely and a plurality of teeth extending in a first lengthwise direction from the bar, wherein each tooth of the common electrode has a continuous ∠-shaped sidewall; and
a comb-shaped pixel electrode having a bar extending transversely and a plurality of rectangular-shaped teeth extending in a second lengthwise direction from the bar, wherein each tooth of the pixel electrode parallel is disposed between adjacent teeth of the common electrode;
wherein each tooth of the common electrode is formed by lengthwise linking of a plurality of trapezoids.
13. The electrode array structure according to claim 12 , wherein the short-based length D 1 and the long-based length D 2 of the trapezoid satisfy the formula D 2 ≦|D 1 ±50 μm|, excluding the case that D 2 =D 1 .
14. The electrode array structure according to claim 12 , wherein two adjacent trapezoids are connected by a rectangular strip.
15. The electrode array structure according to claim 12 , wherein each tooth of the common electrode is formed by lengthwise linking of a plurality of inverted trapezoids.
16. The electrode array structure according to claim 15 , wherein the short-based length D 1 and the long-based length D 2 of the inverted trapezoid satisfy the formula D 2 ≦|D 1 ±50 μm|, excluding the case that D 2 −D 1 .
17. The electrode array structure according to claim 15 , wherein two adjacent inverted trapezoids are connected by a rectangular strip.
18. The electrode array structure according to claim 12 , wherein each tooth of the common electrode is indium tin oxide (ITO).
19. The electrode array structure according to claim 12 , wherein each tooth of the common electrode comprises:
a first electrode layer having a rectangular profile;
a second electrode layer disposed over the first electrode layer and having a continuous ∠-shaped sidewall; and
a protection layer sandwiched between the first electrode layer and the second electrode layer.
20. The electrode array structure according to claim 19 , wherein the second electrode layer is indium tin oxide (ITO).
21. The electrode array structure according to claim 12 , wherein each tooth of the common electrode comprises:
a first electrode layer having continuous ∠-shaped sidewall;
a second electrode layer disposed over the first electrode layer and having a rectangular profile; and
a protection layer sandwiched between the first electrode layer and the second electrode layer.
22. The electrode array structure according to claim 21 , wherein the second electrode layer is indium tin oxide (ITO).
23. An electrode array structure in a pixel area of an in-plane switching mode LCD (IPS-LCD), comprising:
a comb-shaped common electrode having a bar extending transversely and a plurality of teeth extending in a first lengthwise direction from the bar, wherein each tooth of the common electrode has a continuous ∠-shaped sidewall; and
a comb-shaped pixel electrode having a bar extending transversely and a plurality of teeth extending in a second lengthwise direction from the bar, wherein each tooth has a continuous ∠-shaped sidewall and parallel is disposed between adjacent teeth of the common electrode;
wherein each tooth of the common electrode is formed by lengthwise linking of a plurality of trapezoids, and each tooth of the pixel electrode is formed by lengthwise linking of a plurality of inverted trapezoids.
24. The electrode array structure according to claim 23 , wherein the short-based length D 1 and the long-based length D 2 of the trapezoid satisfy the formula D 2 ≦|D 1 ±50 μm|, excluding the case that D 2 =D 1 .
25. The electrode array structure according to claim 23 , wherein two adjacent trapezoids are connected by a rectangular strip, and two adjacent inverted trapezoids are connected by a rectangular strip.
26. The electrode array structure according to claim 23 , wherein each tooth of the common electrode is formed by lengthwise linking of a plurality of inverted trapezoids, and each tooth of the pixel electrode is formed by lengthwise linking of a plurality of trapezoids.
27. The electrode array structure according to claim 26 , wherein the short-based length D 1 and the long-based length D 2 of the trapezoid satisfy the formula D 2 ≦|D 1 ±50 μm|, excluding the case that D 2 =D 1 .
28. The electrode array structure according to claim 26 , wherein two adjacent trapezoids are connected by a rectangular strip, and two adjacent inverted trapezoids are connected by a rectangular strip.
29. The electrode array structure according to claim 23 , wherein each tooth of the common electrode is indium tin oxide (ITO).
30. The electrode array structure according to claim 23 , wherein each tooth of the pixel electrode is indium tin oxide (ITO).