Organic light emitting diode display including an anode overlapping a voltage line
According to an exemplary embodiment, an organic light emitting diode display includes: a substrate; a semiconductor layer; a first gate insulating layer disposed on the oxide semiconductor layer; a first gate layer disposed on the first gate insulating layer; a first interlayer insulating layer disposed on the first gate layer; a first data layer disposed on the first interlayer insulating layer; a second interlayer insulating layer disposed on the first data layer; a driving voltage line and a driving low voltage line disposed on the second interlayer insulating layer and separated from each other; an upper insulating layer covering the driving voltage line and the driving low voltage line; and an anode disposed on the upper insulating layer and overlapping the driving voltage line or the driving low voltage line.
1. An organic light emitting diode display comprising:
a substrate;
a semiconductor layer;
a first gate insulating layer disposed on the semiconductor layer;
a first gate layer disposed on the first gate insulating layer;
a first interlayer insulating layer disposed on the first gate layer;
a first data layer disposed on the first interlayer insulating layer;
a second interlayer insulating layer disposed on the first data layer;
a driving voltage line and a driving low voltage line disposed on the second interlayer insulating layer and separated from each other;
an upper insulating layer covering the driving voltage line and the driving low voltage line; and
an anode disposed on the upper insulating layer and overlapping at least part of the driving voltage line or at least part of the driving low voltage line,
wherein the driving low voltage line provides a first voltage to a cathode and the driving voltage line provides a second voltage different from the first voltage.
2. The organic light emitting diode display of claim 1 , wherein the driving voltage line and the driving low voltage line extend in a longitudinal direction.
3. The organic light emitting diode display of claim 2 , wherein the anode is electrically connected to an anode connection part formed to be separated from the driving voltage line and the driving low voltage line on a same layer.
4. The organic light emitting diode display of claim 3 , comprising a plurality of pixels wherein the anode is disposed in each of the pixels.
5. The organic light emitting diode display of claim 4 , wherein a part of the anode overlaps the driving voltage line, and another part of the anode overlaps the driving low voltage line.
6. The organic light emitting diode display of claim 5 , wherein the anode connection part is disposed between the driving voltage line and the driving low voltage line.
7. The organic light emitting diode display of claim 4 , wherein the anode overlaps the driving voltage line.
8. The organic light emitting diode display of claim 7 , wherein the driving voltage line has an anode connection part opening corresponding to the anode connection part, and the anode connection part is disposed within the anode connection part opening.
9. The organic light emitting diode display of claim 1 , further comprising:
an organic emission layer disposed on the anode; and
the cathode disposed on the organic emission layer, wherein the cathode is electrically connected to a cathode connection part disposed on a same layer as the anode, and the cathode connection part is electrically connected to the driving low voltage line.
10. The organic light emitting diode display of claim 1 , wherein the driving voltage line has a larger width than the anode, and the driving low voltage line has a width that is larger than half of the width of the anode.
11. The organic light emitting diode display of claim 1 , wherein the first gate layer includes a pair of scan lines receiving a same scan signal, the first data layer includes a pair of data lines connected to one pixel column, among two adjacent pixels included in the one pixel column, one pixel is connected to one scan line of the pair of scan lines and one data line of the pair of data lines, and the other pixel is connected to the other scan line of the pair of scan lines and the other data line of the pair of data lines.
12. An organic light emitting diode display comprising:
a substrate;
a semiconductor layer;
a first gate insulating layer disposed on the semiconductor layer;
a first gate layer disposed on the first gate insulating layer;
a first interlayer insulating layer disposed on the first gate layer;
a first data layer disposed on the first interlayer insulating layer;
a second interlayer insulating layer disposed on the first data layer;
a driving voltage line and a driving low voltage line disposed on the second interlayer insulating layer and separated from each other;
an upper insulating layer covering the driving voltage line and the driving low voltage line;
an anode disposed on the upper insulating layer and overlapping the driving voltage line or the driving low voltage line; and
an overlapping layer disposed between the substrate and the semiconductor layer, the overlapping layer includes a channel overlapping part overlapping with a channel of a first transistor and an extension part extended from the channel overlapping part, and the extension part of the overlapping layer overlaps with a first gate electrode of the first transistor to form an overlapping capacitor.