Display module
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 first substrate;
a display region above the first substrate and including a plurality of pixels;
a plurality of current supply lines above the first substrate and configured to supply electric current to the plurality of pixels; and
a terminal region arranged along an edge of the first substrate, and having a first terminal and a second terminal, each of the plurality of pixels includes a light emitting device,
the light emitting device comprises:
a first electrode layer to which the electric current is supplied from one of the plurality of current supply lines;
an organic layer above the first electrode layer, the organic layer having a light emitting layer; and
a second electrode layer formed above the organic layer, wherein
each of the plurality of current supply lines is connected to a current supply bus line,
the current supply bus line runs along a direction that intersects with the plurality of current supply lines,
a third electrode layer covered by a passivation layer is below the second electrode layer,
the third electrode layer is connected to the first terminal,
the current supply bus line is connected to the second terminal,
the third electrode layer is connected to the second electrode layer via a contact region, and
the contact region is provided at an opposite side of the terminal region, across the display region in a plan view.
2. The display device according to claim 1 , wherein
the first electrode layer of the light emitting device of one of the plurality of pixels is formed independently from another first electrode layer of another light emitting device of another one of the plurality of pixels, and
the second electrode layer of the light emitting device of one of the plurality of pixels and another second electrode layer of the another light emitting device of the another one of the plurality of pixels are formed commonly.
3. The display device according to claim 1 , wherein the second electrode layer is formed so as to cover the display region, and the contact region is arranged along a side of the display region.
4. The display device according to claim 3 , wherein the display region has a rectangle shape in the plan view.
5. The display device according to claim 1 , wherein the contact region is not formed between the display region and the terminal region.
6. The display device according to claim 1 , further comprising:
a second substrate facing the first substrate; and
a sealing area between the first substrate and the second substrate and along with an edge of the second substrate, wherein
the contact region is formed in a region surrounded by the sealing area.
7. A display device comprising:
a first substrate;
a display region above the first substrate and including a plurality of pixels;
a plurality of scanning lines above the substrate and configured to select the plurality of pixels;
a plurality of current supply lines above the first substrate and configured to supply electric current to the plurality of pixels; and
a gate driving circuit above the first substrate and configured to drive the plurality of scanning lines, wherein
each of the plurality of pixels comprises:
a light emitting device; and
a first transistor electrically connected to one of the plurality of scanning lines, the light emitting device comprises:
a first electrode layer to which the electric current is supplied from one of the plurality of current supply lines;
an organic layer above the first electrode layer, the organic layer having a light emitting layer; and
a second electrode layer formed above the organic layer,
a third electrode layer covered by a passivation layer is below the second electrode layer,
the third electrode layer is connected to the second electrode layer via a contact region, and
the contact region is provided at an opposite side of the gate driving circuit, across the display region in a plan view.
8. The display device according to claim 7 , wherein
the first electrode layer of the light emitting device of one of the plurality of pixels is formed independently from another first electrode layer of another light emitting device of another one of the plurality of pixels, and
the second electrode layer of the light emitting device of one of the plurality of pixels and another second electrode layer of the another light emitting device of the another one of the plurality of pixels are formed commonly.
9. The display device according to claim 7 , wherein the second electrode layer is formed so as to cover the display region, and the contact region is arranged along a side of the display region.
10. The display device according to claim 7 , wherein the display region has a rectangle shape in the plan view.
11. The display device according to claim 7 , further comprising:
a terminal region arranged along an edge of the first substrate, and having a first terminal and a second terminal, wherein
each of the plurality of current supply lines is connected to a current supply bus line running along a direction that intersect with the plurality of current supply lines,
the third electrode layer is connected to the first terminal,
the current supply bus line is connected to the second terminal, and
the contact region isn't formed between the display region and the terminal region.
12. The display device according to claim 7 , further comprising:
a second substrate facing the first substrate; and
a sealing area between the first substrate and the second substrate and along with an edge of the second substrate, wherein
the contact hole is formed in a region surrounded by the sealing area.