Display device
According to one embodiment, a display device includes a substrate, a circuit layer including a metal-made feed line in a surrounding area, an insulating layer covering the circuit layer, a lower electrode, a rib, a partition above the rib, an upper electrode connected to the partition, an organic layer between the electrodes and a conductive layer connected to the partition. The partition and the conductive layer each includes a metal-made lower portion and an upper portion protruding from a side surface of the lower portion. The lower portion of the conductive layer and the feed line are in contact with each other in the first contact portion in the surrounding area.
1. A display device comprising:
a substrate;
a circuit layer including a pixel circuit disposed in a display area containing pixels, and a metal-made feed line disposed in a surrounding area between an end portion of the substrate and the display area;
an insulating layer covering the circuit layer;
a lower electrode disposed above the insulating layer in the display area and connected to the pixel circuit;
a rib including an aperture overlapping the lower electrode;
a partition conductive layer disposed above the rib in the display area;
an upper electrode opposing the lower electrode and connected to the partition conductive layer; and
an organic layer disposed between the lower electrode and the upper electrode and emitting light,
wherein
the partition conductive layer includes a metal-made lower portion and an upper portion protruding from a side surface of the lower portion, and
the lower portion of the partition conductive layer and the feed line are in contact with each other in a first contact portion located in the surrounding area.
2. The display device of claim 1 , wherein
the first contact portion is located between an end portion of the insulating layer and the end portion of the substrate in plan view.
3. The display device of claim 1 , wherein
the first contact portion surrounds the display area.
4. The display device of claim 1 , further comprising a relay wiring line connected to the feed line in a second contact portion located in the surrounding area and connected to the partition conductive layer in a third contact portion located in the surrounding area.
5. The display device of claim 4 , wherein
the second contact portion is located between the display area and the first contact portion in plan view.
6. The display device of claim 4 , wherein
the third contact portion is located between the display area and the second contact portion in plan view.
7. The display device of claim 4 , wherein
the relay wiring line is covered by the rib,
the third contact portion includes a plurality of contact holes provided in the rib, and
the partition conductive layer is in contact with the relay wiring line via the plurality of contact holes.
8. The display device of claim 1 , further comprising a dam structure including a protrusion disposed in the surrounding area,
wherein
the first contact portion is located between an end portion of the insulating layer and the protrusion in plan view.
9. The display device of claim 8 , wherein
the end portion of the partition conductive layer is located between the protrusion and the end portion of the substrate in plan view.
10. The display device of claim 8 , wherein
the dam structure includes a first protrusion surrounding the display area and a second protrusion surrounding the first protrusion, and
an end portion of the partition conductive layer is located between the first protrusion and the second protrusion in plan view.
11. The display device of claim 1 , further comprising a drive circuit disposed in the surrounding area and supplying a signal to the pixel circuit, and
an end portion of the partition conductive layer is located between the drive circuit and the end portion of the substrate in plan view.
12. The display device of claim 1 , wherein
the organic layer is disposed in the surrounding area as well, and
the organic layer is divided by an end portion of the partition conductive layer.
13. The display device of claim 1 , wherein
an upper surface of the lower electrode is formed of ITO, and
a metal-made lower portion of the partition conductive layer is made of aluminum.
14. A display device comprising:
a substrate;
a drive transistor in a pixel disposed in a display area, and a metal-made feed line disposed in a surrounding area between an end portion of the substrate and the display area;
an insulating layer covering the drive transistor;
a lower electrode disposed above the insulating layer in the display area and connected to the drive transistor;
a rib including an aperture overlapping the lower electrode;
a partition conductive layer disposed above the rib in the display area;
an upper electrode opposing the lower electrode and connected to the partition conductive layer; and
an organic layer disposed between the lower electrode and the upper electrode and emitting light,
a conductive layer disposed in the surrounding area and connected to the partition conductive layer,
wherein
the partition conductive layer includes a metal-made lower portion and an upper portion protruding from a side surface of the lower portion, and
the lower portion of the partition conductive layer and the feed line are in contact with each other in a first contact portion located in the surrounding area.
15. The display device of claim 14 , wherein
the first contact portion is located between an end portion of the insulating layer and the end portion of the substrate in plan view.
16. The display device of claim 14 , wherein
the first contact portion surrounds the display area.
17. The display device of claim 14 , further comprising a relay wiring line connected to the feed line in a second contact portion located in the surrounding area and connected to the partition conductive layer in a third contact portion located in the surrounding area.
18. The display device of claim 17 , wherein
the second contact portion is located between the display area and the first contact portion in plan view.
19. The display device of claim 17 , wherein
the third contact portion is located between the display area and the second contact portion in plan view.
20. The display device of claim 14 , further comprising a dam structure including a protrusion disposed in the surrounding area,
wherein
the first contact portion is located between an end portion of the insulating layer and the protrusion in plan view.