Display device
A display device includes a substrate including a display area and a non-display area, a light-emitting element disposed in the display area, and a common voltage supply line disposed in the non-display area and electrically connected to the light-emitting element. The common voltage supply line includes at least two main supply lines, a sub-supply line for connecting the at least two main supply lines, and at least one anti-static pattern disposed outside the sub-supply line in a plan view.
1. A display device comprising:
a substrate including a display area and a non-display area;
a light-emitting element disposed in the display area; and
a common voltage supply line disposed in the non-display area and electrically connected to the light-emitting element; and
a data driver disposed in the non-display area,
wherein the common voltage supply line includes:
at least two main supply lines;
a sub-supply line electrically connecting the at least two main supply lines; and
at least one anti-static pattern disposed outside the sub-supply line in a plan view, wherein
the sub-supply line is disposed between the display area and each of the at least one anti-static pattern,
a width of each of the main supply lines is greater than a width of the sub-supply line in a plan view, and
a direction of the width of each of the main supply lines is perpendicular to a direction of the width of the sub-supply line,
wherein the non-display area comprises a first non-display area and a second non-display area, and the first non-display area and the second non-display area are positioned with the display area in between, the data driver is disposed in the first non-display area, and the anti-static pattern and the sub-supply line are positioned in the second non-display area.
2. The display device of claim 1 , wherein
the at least one anti-static pattern includes a plurality of anti-static patterns, and
the plurality of anti-static patterns are disposed in a first direction.
3. The display device of claim 2 , wherein
the plurality of anti-static patterns are spaced apart from each other, and
the at least two main supply lines, the sub-supply line, and the plurality of anti-static patterns are formed from a same layer and are comprised of a same material.
4. The display device of claim 2 , wherein
the common voltage supply line includes a connection bridge electrically connected to a common electrode of the light-emitting element, and
the at least two main supply lines, the sub-supply line, and the plurality of anti-static patterns each have a mesh shape in a plan view.
5. The display device of claim 4 , wherein
the connection bridge is electrically connected to the sub-supply line and the plurality of anti-static patterns, and
the at least two main supply lines, the sub-supply line, and the plurality of anti-static patterns each comprise a metal layer formed as a double layer.
6. The display device of claim 4 , wherein
each of the sub-supply line and the at least one anti-static pattern includes an expansion connected to the connection bridge,
the at least two main supply lines, the sub-supply line, and the plurality of anti-static patterns each comprise a metal layer disposed as a double layer that includes a first layer and a second layer, and
an insulating layer is disposed between the first layer and the second layer of the double layer.
7. The display device of claim 2 , further comprising:
a pad portion disposed at one end of the display device, the pad portion including a plurality of terminals, the at least two main supply lines extending from ones of the plurality of terminals; and
a controller electrically connected to the pad portion, the controller to transmit a common voltage to the common voltage supply line via the terminals, wherein
the at least two main supply lines are spaced in the first direction, and
the sub-supply line extends in the first direction and electrically connects the at least two main supply lines.
8. The display device of claim 1 , wherein the sub-supply line and each of the at least two main supply lines form a same electrical node.
9. The display device of claim 1 , wherein the sub-supply line and each of the at least two main supply lines are held at a same electrical potential.
10. The display device of claim 1 , wherein the sub-supply line directly contacts each of the at least two main supply lines.
11. A display device comprising:
a substrate including a display area and a non-display area;
a light-emitting element disposed in the display area;
a common voltage supply line disposed in the non-display area and electrically connected to the light-emitting element, wherein the common voltage supply line includes:
at least two main supply lines;
a sub-supply line for connecting the at least two main supply lines; and
at least one anti-static pattern disposed outside the sub-supply line in a plan view; and
a buffer layer, an inter-layer insulating layer, a first insulating layer, and a second insulating layer sequentially disposed on the substrate, wherein
the at least one anti-static pattern includes a plurality of anti-static patterns, and
the plurality of anti-static patterns are disposed in a first direction
the first insulating layer forms a valley between one of the at least two main supply lines and one of the plurality of anti-static patterns, and
the second insulating layer fills the valley.
12. The display device of claim 11 , further comprising:
a first region overlapping the main supply line, the sub-supply line, and the anti-static pattern; and
a second region,
wherein the first region does not overlap the second insulating layer.
13. The display device of claim 12 , wherein the connection bridge overlaps the second insulating layer in the second region.
14. The display device of claim 11 , wherein the sub-supply line includes at least one of:
a first sub-supply line between the substrate and the buffer layer;
a second sub-supply line between the buffer layer and the inter-layer insulating layer; and
a third sub-supply line between the inter-layer insulating layer and the first insulating layer.
15. The display device of claim 14 , further comprising:
a metal layer disposed on the substrate;
a gate electrode disposed on the buffer layer; and
a source electrode and a drain electrode disposed on the inter-layer insulating layer, wherein
the first sub-supply line and the metal layer are disposed on a same layer,
the second sub-supply line and the gate electrode are disposed on a same layer, and
the third sub-supply line, the source electrode, and the drain electrode are disposed on a same layer.
16. A display device comprising:
a substrate including a display area and a non-display area;
a light-emitting element disposed in the display area and electrically connected to a thin film transistor;
an insulating layer disposed between the thin film transistor and the light-emitting element in a cross-sectional view;
a data driver disposed in the non-display area; and
a common voltage supply line disposed in the non-display area and electrically connected to the light-emitting element, wherein
the common voltage supply line includes:
at least twos main supply lines;
a sub-supply line electrically connected to each of the at least two main supply lines; and
at least one anti-static pattern disposed outside the sub-supply line in a plan view, wherein
the insulating layer is spaced apart from each of the at least two main supply line, the sub-supply line, and the at least one anti-static pattern in a plan view,
the at least one anti-static pattern being disposed further from the display area than the sub-supply line, and
a width of each of the main supply lines is greater than a width of the sub-supply line in a plan view,
a direction of the width of each of the main supply lines and a direction of the width of the sub-supply line are perpendicular to both a thickness direction of the display device and perpendicular to a longest dimension of the main supply lines and a longest direction of the sub-supply line, respectively, and
wherein the non-display area comprises a first non-display area and a second non-display area, and the first non-display area and the second non-display area are positioned with the display area in between, the data driver is disposed in the first non-display area, and the anti-static pattern and the sub-supply line are positioned in the second non-display area.
17. The display device of claim 16 , wherein the insulating layer does not overlap the main supply lines, the sub-supply line, and the at least one anti-static pattern.
18. The display device of claim 17 , wherein
the at least two main supply lines are spaced apart in a first direction and extend in a second direction perpendicular to the first direction,
the common voltage supply line includes:
a sub-supply line extending in the first direction and electrically connecting the at least two main supply lines.
19. The display device of claim 18 , further comprising a buffer layer, an inter-layer insulating layer, a first insulating layer, and a second insulating layer sequentially disposed on the substrate,
wherein the sub-supply line includes at least one of:
a first sub-supply line between the substrate and the buffer layer;
a second sub-supply line between the buffer layer and the inter-layer insulating layer; and
a third sub-supply line between the inter-layer insulating layer and the first insulating layer.
20. The display device of claim 19 , wherein the connection bridge is disposed at a layer higher than the sub-supply line.
21. The display device of claim 16 , wherein the at least one anti-static pattern includes a plurality of anti-static patterns spaced apart from each other.
22. The display device of claim 16 , wherein the common voltage supply line includes a connection bridge electrically connected to a common electrode of the light-emitting element.
23. The display device of claim 22 , wherein the connection bridge is electrically connected to the sub-supply line and the plurality of anti-static patterns.
24. The display device of claim 16 , wherein
the insulating layer is disposed on opposing sides of the sub-supply line, and
the insulating layer is disposed between neighboring ones of the at least one anti-static pattern, between the at least one anti-static pattern and ones of the main supply lines, and between the sub-supply line and the at least one anti-static pattern.