Connection member and display device including same
A connection member includes a first region, a second region, and a third region, where a number of conductive layers in the second region is greater than a number of conductive layers in the first region and is greater than a number of conductive layers in the third region, a first layer, which is an uppermost layer of the second region, extends to the third region, a second layer, which is a lowermost layer of the third region, extends to the second region, and a side portion of the second region at a boundary between the second region and the third region is covered by the first layer and the second layer.
1. A connection member comprising
a first region, a second region, and a third region,
wherein a number of conductive layers in the second region is greater than a number of conductive layers in the first region and is greater than a number of conductive layers in the third region,
a first layer, which is an uppermost layer of the second region, extends to the third region,
a second layer, which is a lowermost layer of the third region, extends to the second region, and
a side portion of the second region at a boundary between the second region and the third region is covered by the first layer and the second layer.
2. The connection member of claim 1 , wherein the second region includes:
a first conductive layer in contact with the first layer;
a first insulating layer disposed opposite to the first layer with the first conductive layer therebetween;
a fifth conductive layer in contact with the second layer; and
a fourth insulating layer disposed opposite to the second layer with the fifth conductive layer therebetween,
wherein the first insulating layer and the fourth insulating layer extend to the third region,
a side portion of the first insulating layer is covered by the first layer, and
a side portion of the fourth insulating layer is covered by the second layer.
3. The connection member of claim 2 , the second region further includes:
a second conductive layer, a third conductive layer, and a fourth conductive layer;
a second insulating layer disposed between the second conductive layer and the third conductive layer; and
a third insulating layer disposed between the third conductive layer and the fourth conductive layer,
wherein the first conductive layer to the fifth conductive layer are connected to each other by a plurality of vias.
4. The connection member of claim 2 , wherein the second region further includes:
a photo solder resist layer disposed on an upper surface of the first conductive layer,
wherein the photo solder resist layer is disposed in a same layer as the first layer.
5. The connection member of claim 3 , wherein
the second conductive layer extends in the first region,
the second conductive layer, the third conductive layer, and the fourth conductive layer extend in the third region, and
the first conductive layer and the fifth conductive layer are not disposed in the first region and the third region.
6. The connection member of claim 1 , wherein
the first layer is an insulating layer including a black material.
7. The connection member of claim 6 , wherein
the second layer is one selected from an insulating layer including a black material, a shielding film, and a stacked structure of the insulating layer including the black material and the shielding film.
8. The connection member of claim 1 , wherein
the first layer is a shielding film.
9. The connection member of claim 8 , wherein
the second layer is one selected from an insulating layer including a black material, a shielding film, and a stacked structure of the insulating layer including the black material and the shielding film.
10. The connection member of claim 1 , wherein
the first layer is a stacked structure of an insulating layer including a black material and a shielding film.
11. The connection member of claim 10 , wherein
the second layer is one selected from an insulating layer including a black material, a shielding film, and a stacked structure of the insulating layer including the black material and the shielding film.
12. The connection member of claim 1 , wherein
a pad part, which is connected to a panel, is disposed in the first region.
13. A display device comprising:
a display panel;
a body unit; and
a connection member which connects the display panel and the body unit to each other,
wherein the connection member includes a first region, a second region, and a third region,
the second region is positioned between the first region and the third region,
a number of conductive layers in the second region is greater than a number of conductive layers in the first region and is greater than a number of conductive layers in the third region,
a first layer, which is an uppermost layer of the second region, extends to the third region,
a second layer, which is a lowermost layer of the third region, extends to the second region, and
a side portion of the second region at a boundary between the second region and the third region is covered by the first layer and the second layer.
14. The display device of claim 13 , wherein the second region includes:
a first conductive layer in contact with the first layer;
a first insulating layer disposed opposite to the first layer with the first conductive layer therebetween;
a fifth conductive layer in contact with the second layer; and
a fourth insulating layer disposed opposite to the second layer with the fifth conductive layer therebetween,
the first insulating layer and the fourth insulating layer extend to the third region,
a side portion of the first insulating layer is covered by the first layer, and
a side portion of the fourth insulating layer is covered by the second layer.
15. The display device of claim 14 , wherein the second region further includes:
a second conductive layer, a third conductive layer, and a fourth conductive layer;
a second insulating layer disposed between the second conductive layer and the third conductive layer; and
a third insulating layer disposed between the third conductive layer and the fourth conductive layer, and
the first conductive layer to the fifth conductive layer are connected to each other by a plurality of vias.
16. The display device of claim 15 , wherein
the second conductive layer extends to the first region,
the second conductive layer, the third conductive layer, and the fourth conductive layer extend to the third region, and
the first conductive layer and the fifth conductive layer are not disposed in the first region and the third region.
17. The display device of claim 14 , wherein
the first layer is one selected from an insulating layer including a black material, a shielding film, and a stacked member of the insulating layer including the black material and the shielding film.
18. The display device of claim 17 , wherein
the second layer is one selected from an insulating layer including a black material, a shielding film, and a stacked member of the insulating layer including the black material and the shielding film.
19. The display device of claim 13 , wherein
the second region is flexible.
20. The display device of claim 13 , wherein a pad part, which is connected to the display panel, is disposed in the first region.