Array substrate for LCD

1. An array substrate comprising:

a transparent substrate including a display region that displays an image, a peripheral region having a driving circuit for displaying an image through the display region, and a sealine region that surrounds the display region to define the display region and the peripheral region;

a first insulation layer formed over the transparent substrate, the first insulation layer having a first portion overlapped with the display region and a second portion overlapped with the sealine region and separated from the first portion by an opening window extending in a longitudinal direction of the sealine region;

a pixel electrode formed on the first insulation layer of the display region; and

a second insulation layer that is disposed between the first insulation layer and the transparent substrate, wherein the opening window extends through the first insulation layer to the second insulation layer,

wherein the second portion is disposed at an inside of the opening window on the second insulation layer.

2. The array substrate of claim 1 , wherein the first insulation layer corresponds to an organic layer.

3. The array substrate of claim 1 , wherein the second insulation layer corresponds to a silicon nitride layer (SiNx).

4. The array substrate of claim 1 , further comprising a switching device having a gate electrode, a drain electrode that is electrically connected to the pixel electrode and a source electrode, a gate line that is electrically connected to the gate electrode, and a data line that is electrically connected to the source electrode, wherein a portion of the data line overlaps with the pixel electrode.

5. The liquid crystal display apparatus of claim 1 wherein a height of the second portion is substantially the same as a height of an interior edge of the window opening.

6. A liquid crystal display apparatus comprising:

an array substrate including:

a transparent substrate including a display region that displays an image, a peripheral region having a driving circuit for displaying an image through the display region, and a sealine region that surrounds the display region to define the display region and the peripheral region;

a first insulation layer formed over the transparent substrate, the first insulation layer having a first portion overlapped with the display region and a second portion overlapped with the sealine region and separated from the first portion by an opening window extending in a longitudinal direction of the sealine region;

a pixel electrode formed on the first insulation layer of the display region; and

a second insulation layer that is disposed between the first insulation layer and the transparent substrate, wherein the opening window extends through the first insulation layer to the second insulating layer,

wherein the second portion is disposed at an inside of the opening window on the second insulation layer;

a color filter substrate facing the array substrate;

a liquid crystal layer interposed between the array substrate and the color filter substrate; and

a sealing member formed at the opening window to bond the array substrate and the color filter substrate.

7. The liquid crystal display apparatus of claim 6 , wherein the first insulation layer corresponds to an organic layer.

8. The liquid crystal display apparatus of claim 6 , wherein the second insulation layer corresponds to a silicon nitride layer (SiNx).

9. The liquid crystal display apparatus of claim 6 , further comprising a switching device having a gate electrode, a drain electrode that is electrically connected to the pixel electrode and a source electrode, a gate line that is electrically connected to the gate electrode, and a data line that is electrically connected to the source electrode, wherein a portion of the data line overlaps with the pixel electrode.

10. The liquid crystal display apparatus of claim 6 , wherein the liquid crystal layer is injected between the array substrate and the color filter substrate by a vacuum injection method.

11. The liquid crystal display apparatus of claim 6 wherein a height of the second portion is substantially the same as a height of an interior edge of the window opening.

12. A method of forming an array substrate, comprising:

forming a second insulation layer on a transparent layer

forming a first insulation layer over the second insulation layer and the transparent substrate including a display region that displays an image, a peripheral region having a driving circuit for displaying an image through the display region, and a sealine region that surrounds the display region to define the display region and the peripheral region;

removing a portion of the first insulation layer to form an opening window in the sealine region so that the first insulation layer has a first portion overlapped with the display region and a second portion overlapped with the sealine region and separated from the first portion, the opening window extending through the first insulation layer to the second insulation layer and extending in a longitudinal direction of the sealine region, wherein the second portion is disposed at an inside of the opening window on the second insulation layer; and

forming a pixel electrode on the first insulation layer of the display region.

13. The method of claim 12 , wherein the first insulation layer corresponds to an organic layer.

14. The method of claim 12 , wherein the second insulation layer corresponds to a silicon nitride layer (SiNx).

15. The method of claim 12 wherein a height of the second portion is substantially the same as a height of an interior edge of the window opening.

16. A method of forming a liquid crystal display apparatus, comprising:

forming an array substrate including i) a transparent substrate including a display region that displays an image, a peripheral region having a driving circuit for displaying an image through the display region, and a sealine region that surrounds the display region to define the display region and the peripheral region, ii) a first insulation layer formed over the transparent substrate, the first insulation layer having a first portion overlapped with the display region and a second portion overlapped with the sealine region and separated from the first portion by an opening window in the sealine region, iii) a pixel electrode formed on the first insulation layer of the display region, and iv) a second insulation layer that is disposed between the first insulation layer and the transparent substrate, wherein the opening window extends through the first insulation layer to the second insulation layer and extends in a longitudinal direction of the sealine region, wherein the second portion is disposed at an inside of the opening window on the second insulation layer, and separated from the first insulation layer;

forming a sealing member at the opening window;

attaching a color filter substrate to the sealing member to assemble the array substrate to the color filter substrate; and

forming a liquid crystal layer between the array substrate and the color filter substrate.

17. The method of claim 16 , wherein the first insulation layer corresponds to an organic layer.

18. The method of claim 16 , wherein the second insulation layer corresponds to a silicon nitride layer (SiNx).

19. The method of claim 16 wherein a height of the second portion is substantially the same as a height of an interior edge of the window opening.

20. An array substrate comprising:

a transparent substrate including a display region that displays an image, a peripheral region having a driving circuit for displaying an image through the display region, and a sealine region that surrounds the display region to define the display region and the peripheral region;

a first insulation layer formed over the transparent substrate, the first insulation layer having a first portion overlapped with the display region and a second portion overlapped with the sealine region and separated from the first portion by an opening window extending in a longitudinal direction of the sealine region;

a pixel electrode formed on the first insulation layer of the display region; and

a second insulation layer that is disposed between the first insulation layer and the transparent substrate,

wherein the second portion is disposed at an inside of the opening window on the second insulation layer.

21. A liquid crystal display apparatus comprising:

an array substrate including:

a transparent substrate including a display region that displays an image, a peripheral region having a driving circuit for displaying an image through the display region, and a sealine region that surrounds the display region to define the display region and the peripheral region;

a first insulation layer formed over the transparent substrate, the first insulation layer having a first portion overlapped with the display region and a second portion overlapped with the sealine region and separated from the first portion by an opening window extending in a longitudinal direction of the sealine region;

a pixel electrode formed on the first insulation layer of the display region; and

a second insulation layer that is disposed between the first insulation layer and the transparent substrate, wherein the second portion is disposed at an inside of the opening window on the second insulation layer;

a color filter substrate facing the array substrate;

a liquid crystal layer interposed between the array substrate and the color filter substrate; and

a sealing member formed at the opening window to bond the array substrate and the color filter substrate.