Display module
View Patent ↗A display module including a substrate having a plurality of pixels, a data line that supplies a data signal to a pixel, a current supply line that supplies electric current to the pixel, a data driving circuit that supplies a data signal to the data line, and a gate driving circuit thereon. The plurality of pixels are arranged in a display area of the substrate, and each of the plurality of pixels includes a light emitting device, a first thin film transistor connected to the data line that supplies the data signal, a second thin film transistor connected to the current supply line, and a capacitor. The light emitting device includes a first electrode layer connected to the second thin film transistor, an organic layer formed on the first electrode layer, and a second electrode layer formed on the organic layer.
1. A display device comprising:
a substrate;
a display region including a plurality of pixels;
data lines configured to supply data signals to the pixels;
scanning lines configured to select the pixels;
current supply lines configured to supply electric current to the pixels; and
a gate driving circuit configured to drive the scanning lines,
wherein each of the plurality of pixels includes:
a light emitting device;
a first thin film transistor connected to one of the data line that supplies the data signal;
a second thin film transistor connected to one of the current supply line; and
a capacitor storing a gate voltage of the second thin film transistor,
wherein the light emitting device includes:
a first electrode layer connected to the second thin film transistor;
an organic layer formed above the first electrode layer; and
a second electrode layer formed above the organic layer,
wherein a third electrode layer is located outside the display region, and is connected to the second electrode layer and a first terminal pad,
wherein a current supply bus line is connected to the current supply lines and a second terminal pad,
wherein a signal line which is inputted a signal to drive the gate driving circuit is connected to a third terminal pad,
wherein the first terminal pad, second terminal pad and the third terminal pad are arranged in line at a terminal section, and the third terminal pad is located between the first terminal pad and the second terminal pad, and
wherein at least one of the third electrode layer and the current supply bus line runs between the gate driving circuit and an edge of the substrate which is at the opposite side of the gate driving circuit from the display region.
2. The display device according to claim 1 , wherein the third electrode layer and the current supply bus line are arranged without crossing each other in plan view.
3. The display device according to claim 2 , wherein the third electrode layer and the current supply bus line are formed in a same layer.
4. The display device according to claim 1 , wherein the third electrode layer and the current supply bus line are formed in a layer at a level which is lower than that of the second electrode layer.
5. The display device according to claim 1 , wherein the third electrode layer and the current supply bus line are formed in a same layer.
6. A display device comprising:
a substrate;
a display region above the substrate and including a plurality of pixels;
data lines above the substrate and configured to supply data signals to the pixels;
scanning lines above the substrate and configured to select the pixels;
current supply lines above the substrate and configured to supply electric current to the pixels; and
a gate driving circuit above the substrate and configured to drive the scanning lines,
wherein each of the plurality of pixels includes:
a light emitting device;
a first thin film transistor connected to one of the data line that supplies the data signal;
a second thin film transistor connected to one of the current supply line; and
a capacitor storing a gate voltage of the second thin film transistor,
wherein the light emitting device includes:
a first electrode layer connected to the second thin film transistor;
an organic layer formed above the first electrode layer; and
a second electrode layer formed above the organic layer,
wherein a third electrode layer is located outside the display region, and is connected to the second electrode layer and a first terminal pad,
wherein a current supply bus line is connected to the current supply lines and a second terminal pad,
wherein a signal line which is inputted a signal to drive the gate driving circuit is connected to a third terminal pad,
wherein the first terminal pad, second terminal pad and the third terminal pad are arranged in line at a terminal section, and the third terminal pad is located between the first terminal pad and the second terminal pad, and
wherein at least one of the third electrode layer and the current supply bus line runs between the display region and a first edge of the substrate which is in parallel to the data lines, and runs between the display region and a second edge of the substrate which is opposite side of the terminal section.
7. The display device according to claim 6 , wherein the third electrode layer and the current supply bus line are arranged without crossing each other in plan view.
8. The display device according to claim 6 , wherein the third electrode layer and the current supply bus line are formed in a layer at a level which is lower than that of the second electrode layer.
9. The display device according to claim 6 , wherein the third electrode layer and the current supply bus line are formed in a same layer.