Array substrate, display panel and liquid crystal display device

1. An array substrate, comprising a display region and a non-display region around the display region;

wherein the display region comprises a plurality of rows of pixel units arranged sequentially along a first direction and a plurality of gate scanning lines corresponding to the plurality of rows of the pixel units, respectively, and the gate scanning lines extend along a second direction;

cascaded first shift register units are disposed at at least one edge of the non-display region parallel to the second direction, and each of the first shift register units is directly connected with a corresponding one of the plurality of gate scanning lines;

cascaded second shift register units are disposed at at least one edge of the non-display region parallel to the first direction, and each of the second shift register units is connected with a corresponding one of the plurality of gate scanning lines;

the cascaded second shift register units are disposed at both edges of the non-display region parallel to the first direction, the cascaded second shift register units disposed at one of the both edges of the non-display region parallel to the first direction are connected with odd-numbered gate scanning lines, and the cascaded second shift register units disposed at the other of the both edges of the non-display region parallel to the first direction are connected with even-numbered gate scanning lines; and

at least one set of first shift register units for driving at least one of odd-numbered gate scanning lines and at least one set of first shift register units for driving at least one of even-numbered gate scanning lines are disposed at a second edge of the non-display region parallel to the second direction.

2. The array substrate of claim 1 , wherein the first shift register units are cascadedly connected with the second shift register units.

3. The array substrate of claim 1 , wherein a control chip is disposed at a first edge of the non-display region parallel to the second direction, while the cascaded first shift register units are disposed at the second edge of the non-display region parallel to the second direction.

4. The array substrate of claim 3 , wherein the cascaded first shift register units disposed at the second edge of the non-display region parallel to the second direction are arranged sequentially along the second direction.

5. The array substrate of claim 1 , wherein the at least one set of first shift register units for driving at least one of the odd-numbered gate scanning lines are cascadedly connected with second shift register units for driving at least one of the odd-numbered gate scanning lines, and the at least one set of first shift register units for driving at least one of the even-numbered gate scanning lines are cascadedly connected with second shift register units for driving at least one of the even-numbered gate scanning lines.

6. The array substrate of claim 1 , wherein at least one virtual shift register unit is also disposed at the second edge of the non-display region parallel to the second direction and is cascadedly connected with the first shift register units.

7. The array substrate of claim 6 , wherein the cascaded second shift register units are disposed at both edges of the non-display region parallel to the first direction, and

at least one set of virtual shift register units are also disposed at the second edge of the non-display region parallel to the second direction, between at least one column of second shift register units for driving odd-numbered gate scanning lines and at least one column of second shift register units for driving even-numbered gate scanning lines, and are cascadedly connected with at least one set of first shift register units for driving at least one of the odd-numbered gate scanning lines and at least one set of first shift register units for driving at least one of the even-numbered gate scanning lines, respectively.

8. The array substrate of claim 1 , wherein the cascaded second shift register units are disposed at both edges of the non-display region parallel to the first direction, and a length of each of the second shift register units in the first direction is larger than a length of two rows of pixel units in the first direction.

9. The array substrate of claim 3 , wherein the non-display region further comprises drive signal lines connected with the control chip, and the drive signal lines are further connected with the first shift register units and the second shift register units.

10. The array substrate of claim 1 , wherein a row of the first shift register units is aligned with an end of each row of the pixel units along the second direction.

11. A display panel comprising a color filter substrate and an array substrate, wherein

the array substrate comprising a display region and a non-display region around the display region;

wherein the display region comprises a plurality of rows of pixel units arranged sequentially along a first direction and a plurality of gate scanning lines corresponding to the plurality of rows of the pixel units, respectively, and the gate scanning lines extend along a second direction;

cascaded first shift register units are disposed at at least one edge of the non-display region parallel to the second direction, and each of the first shift register units is directly connected with a corresponding one of the plurality of gate scanning lines;

cascaded second shift register units are disposed at at least one edge of the non-display region parallel to the first direction, and each of the second shift register units is connected with a corresponding one of the plurality of gate scanning lines;

the cascaded second shift register units are disposed at both edges of the non-display region parallel to the first direction, the cascaded second shift register units disposed at one of the both edges of the non-display region parallel to the first direction are connected with odd-numbered gate scanning lines, and the cascaded second shift register units disposed at the other of the both edges of the non-display region parallel to the first direction are connected with even-numbered gate scanning lines; and

at least one set of first shift register units for driving the odd-numbered gate scanning lines and at least one set of first shift register units for driving the even-numbered gate scanning lines are disposed at a second edge of the non-display region parallel to the second direction.

12. A liquid crystal display device comprising a display panel, wherein the display panel comprising a color filter substrate and an array substrate, wherein

the array substrate comprising a display region and a non-display region around the display region;

wherein the display region comprises a plurality of rows of pixel units arranged sequentially along a first direction and a plurality of gate scanning lines corresponding to the plurality of rows of the pixel units, respectively, and the gate scanning lines extend along a second direction;

cascaded first shift register units are disposed at at least one edge of the non-display region parallel to the second direction, and each of the first shift register units is directly connected with a corresponding one of the plurality of gate scanning lines;

cascaded second shift register units are disposed at at least one edge of the non-display region parallel to the first direction, and each of the second shift register units is connected with a corresponding one of the plurality of gate scanning lines;

the cascaded second shift register units are disposed at both edges of the non-display region parallel to the first direction, the cascaded second shift register units disposed at one of the both edges of the non-display region parallel to the first direction are connected with odd-numbered gate scanning lines, and the cascaded second shift register units disposed at the other of the both edges of the non-display region parallel to the first direction are connected with even-numbered gate scanning lines; and

at least one set of first shift register units for driving the odd-numbered gate scanning lines and at least one set of first shift register units for driving the even-numbered gate scanning lines are disposed at a second edge of the non-display region parallel to the second direction.

13. The array substrate of claim 3 , wherein the cascaded first shift register units disposed at the second edge of the non-display region parallel to the second direction are arranged as a matrix.