Display substrate, method for manufacturing the same and display apparatus having the same
View Patent ↗A display substrate includes a first metal pattern formed on a substrate and includes a data line to which a pixel voltage is applied, an insulating layer formed on the substrate on which the first metal pattern is formed, an active pattern formed on the insulating layer, a second metal pattern formed on the insulating layer and including a gate line and a storage line, the gate line crossing the data line, a scanning signal applied to the gate line, a protective layer formed on the substrate on which the second metal pattern is formed, and a pixel electrode formed on the protective layer. A method for manufacturing the display substrate, and a display apparatus including the display substrate are further provided.
1. A display substrate comprising:
a first metal pattern formed on a substrate and including a data line to which a pixel voltage is applied and a gate electrode;
an insulating layer formed on the substrate on which the first metal pattern is formed;
an active pattern formed on the insulating layer;
a second metal pattern formed on the insulating layer and including a gate line and a storage line, the gate line crossing the data line, a scanning signal applied to the gate line;
a protective layer formed on the substrate on which the second metal pattern is formed; and
a pixel electrode formed on the protective layer.
2. The display substrate of claim 1 , wherein the gate electrode is separated from the data line.
3. The display substrate of claim 2 , wherein the second metal pattern further comprises:
a source electrode at least partially overlapping with the gate electrode; and
a drain electrode at least partially overlapping with the gate electrode and electrically connected to the pixel electrode.
4. The display substrate of claim 3 , wherein the active pattern is at least partially formed between the insulating layer and the source and drain electrodes.
5. The display substrate of claim 3 , further comprising:
a first connecting electrode electrically connecting the data line to the source electrode; and
a second connecting electrode electrically connecting the gate line to the gate electrode.
6. The display substrate of claim 5 , wherein the first and second connecting electrodes include a transparent conductive layer.
7. The display substrate of claim 1 , wherein the storage line comprises:
a first portion extending substantially parallel to the gate line; and
a second portion extending from the first portion to overlap with the data line.
8. The display substrate of claim 7 , wherein a width of the second portion is larger than a width of the data line disposed under the second portion.
9. The display substrate of claim 7 , wherein the first and second portions partially overlap with the pixel electrode.
10. The display substrate of claim 9 , wherein an overlapping distance between the second portion and the pixel electrode is between about 2 μm and about 5 μm.
11. The display substrate of claim 7 , wherein the storage line is electrically separated from the gate line.
12. A display apparatus comprising:
a display substrate including:
a first metal pattern formed on a first substrate and including a data line to which a pixel voltage is applied and a gale electrode;
an insulating layer formed on the first substrate on which the first metal pattern is formed;
an active pattern formed on the insulating layer;
a second metal pattern formed on the insulating layer and including a gate line and a storage line, the gate line crossing the data line, and a scanning signal applied to the gate line;
a protective layer formed on the first substrate on which the second metal pattern is formed; and
a pixel electrode formed on the protective layer;
an opposite substrate facing the display substrate; and
a liquid crystal layer disposed between the display substrate and the opposite substrate.
13. The display apparatus of claim 12 , wherein the gate electrode is separated from the data line, and
the second metal pattern further comprises a source electrode at least partially overlapping with the gate electrode, and a drain electrode at least partially overlapping with the gate electrode and electrically connected to the pixel electrode.
14. The display apparatus of claim 13 , wherein the display substrate further comprises:
a first connecting electrode electrically connecting the data line to the source electrode; and
a second connecting electrode electrically connecting the gate line to the gate electrode.
15. The display apparatus of claim 12 , wherein the storage line comprises:
a first portion extending substantially parallel to the gate line; and
a second portion extending from the first portion to overlap with the data line.
16. The display apparatus of claim 15 , wherein a width of the second portion is larger than a width of the data line disposed under the second portion.
17. The display apparatus of claim 15 , wherein the first and second portions partially overlap with the pixel electrode.
18. The display apparatus of claim 17 , wherein an overlapping distance between the second portion and the pixel electrode is between about 2 μm and about 5 μm.
19. The display apparatus of claim 15 , wherein the opposite substrate comprises:
a black matrix formed at a side of each pixel; and
a common electrode formed on a surface of the opposite substrate facing the display substrate.
20. The display apparatus of claim 19 , wherein a width of the black matrix disposed over the data line is smaller than a width of the second portion of the storage line.
21. The display apparatus of claim 20 , wherein a difference between the width of the black matrix disposed over the data line and the width of the second portion of the storage line is between about 4 μm and about 5 μm.