Display device
A display device includes a scan line extending in a first direction, a data line and a driving voltage line extending in a second direction crossing the first direction, a switching thin film transistor (“TFT”) connected to the scan line and the data line, a driving TFT connected to the switching TFT and including a driving semiconductor layer and a driving gate electrode, a storage capacitor connected to the driving TFT and including first and second storage capacitor plates, a node connection line between the data line and the driving voltage line and connected to the driving gate electrode, and a shielding portion between the data line and the node connection line.
1. A display device comprising:
a scan line extending in a first direction;
a plurality of data lines each extending in a second direction crossing the first direction;
a plurality of a driving voltage lines each extending in the second direction;
a driving thin film transistor comprising a driving semiconductor layer and a driving gate electrode;
a storage capacitor connected to the driving thin film transistor and comprising first and second storage capacitor plates;
a first thin film transistor electrically connected to the driving thin film transistor;
a node connection line connecting the driving thin film transistor to the first thin film transistor; and
a metallic layer, at least a portion of the metallic layer disposed between the node connection line and a first data line of the plurality of data lines in a top plan view.
2. The display device of claim 1 , further comprises a switching thin film transistor connected to the scan line and the driving thin film transistor.
3. The display device of claim 1 , wherein the metallic layer has a constant voltage level.
4. The display device of claim 1 , further comprises an initialization voltage line extending in the first direction, wherein the metallic layer is electrically connected to the initialization voltage line.
5. The display device of claim 1 , wherein the metallic layer and the plurality of data lines are disposed on a same layer.
6. The display device of claim 1 , wherein the metallic layer and the node connection line are disposed on a same layer.
7. The display device of claim 1 , wherein one of the plurality of driving voltage lines is connected to the second storage capacitor plate.
8. The display device of claim 1 , wherein the driving gate electrode comprises the first storage capacitor plate.
9. The display device of claim 1 , wherein the metallic layer comprises a same material as that of the first data line, the node connection line, or the second storage capacitor plate.
10. The display device of claim 1 , further comprises a second thin film transistor comprising a first semiconductor layer and a first gate electrode overlapping a portion of the first semiconductor layer, and wherein a first portion of the metallic layer directly contacts to a portion of the first semiconductor layer.
11. The display device of claim 10 , further comprises a semiconductor layer spaced apart from the portion of the first semiconductor layer, wherein a second portion of the metallic layer directly contacts to the semiconductor layer.
12. A display device comprising:
a scan line extending in a first direction;
a plurality of data lines each extending in a second direction crossing the first direction;
a plurality of a driving voltage lines each extending in a second direction,
a switching thin film transistor connected to the scan line and one of the plurality of data lines;
a driving thin film transistor connected to the switching thin film transistor and comprising:
a driving semiconductor layer; and
a driving gate electrode;
a storage capacitor connected to the driving thin film transistor and comprising first and second storage capacitor plates;
a first thin film transistor electrically connected to the driving thin film transistor;
a node connection line connected to the driving gate electrode, the node connection line connecting the driving thin film transistor to the first thin film transistor; and
a metallic layer between neighboring data lines of the plurality of data lines,
wherein a first driving voltage line of the plurality of driving voltage lines is disposed between the neighboring data lines.
13. The display device of claim 12 , wherein the metallic layer has a constant voltage level.
14. The display device of claim 13 , further comprises an initialization voltage line extending in the first direction, wherein the metallic layer is electrically connected to the initialization voltage line.
15. The display device of claim 12 , wherein the metallic layer and the plurality of data lines are disposed on a same layer.
16. The display device of claim 12 , wherein the metallic layer and the node connection line are disposed on a same layer.
17. The display device of claim 12 , wherein the first driving voltage line is connected to the second storage capacitor plate.
18. The display device of claim 12 , wherein the driving gate electrode comprises the first storage capacitor plate.
19. The display device of claim 12 , wherein at least a portion of the metallic layer is between the node connection line and one of the neighboring data lines.
20. The display device of claim 19 , wherein the metallic layer extends in the second direction.
21. The display device of claim 12 , further comprises a second thin film transistor comprising a first semiconductor layer and a first gate electrode overlapping a portion of the first semiconductor layer, and wherein a first portion of the metallic layer directly contacts a portion of the first semiconductor layer.
22. The display device of claim 21 , further comprises a semiconductor layer spaced apart from the portion of the first semiconductor layer, wherein a second portion of the metallic layer directly contacts to the semiconductor layer.
23. A display device comprising:
a scan line extending in a first direction;
a plurality of data lines each extending in a second direction crossing the first direction;
a plurality of a driving voltage lines each extending in a second direction,
a switching thin film transistor connected to the scan line and one of the plurality of data lines;
a driving thin film transistor connected to the switching thin film transistor and comprising:
a driving semiconductor layer; and
a driving gate electrode;
a storage capacitor connected to the driving thin film transistor and comprising first and second storage capacitor plates;
a first thin film transistor electrically connected to the driving thin film transistor;
a node connection line connected to the driving gate electrode, the node connection line connecting the driving thin film transistor to the first thin film transistor; and
a metallic layer between neighboring data lines of the plurality of data lines,
wherein the metallic layer is disposed on a same layer as a first data line of the neighboring data lines or the node connection line.
24. The display device of claim 23 , wherein the metallic layer comprises a same material as that of the first data line or the node connection line.
25. The display device of claim 23 , further comprises an initialization voltage line extending in the first direction, wherein the metallic layer is electrically connected to the initialization voltage line.
26. The display device of claim 23 , wherein a first driving voltage line of the plurality of driving voltage lines is disposed between the neighboring data lines.
27. The display device of claim 26 , wherein the first driving voltage line is connected to the second storage capacitor plate.
28. The display device of claim 23 , wherein the driving gate electrode comprises the first storage capacitor plate.