Display device
According to one embodiment, a display device includes a first substrate and an external circuit, the first substrate including a first area, a second area, and wirings, the first area including a display area in which pixels are arranged the external circuit being mounted on the second area. The wirings are electrically connected to the external circuit, provided in the first area and the second area, and arranged in the first direction. At least one of the wirings is inclined with respect to a second direction orthogonal to the first direction in a first portion of the second area. The first substrate is bent in the first portion.
1. A display device comprising:
a first substrate including a first area including a display area in which pixels are arranged, a second area adjacent to the first area, and wirings; and
an external circuit mounted on the second area of the first substrate, wherein
the wirings are electrically connected to the external circuit, provided in the first area and the second area, and arranged in a first direction,
at least one of the wirings in planar view of a first portion of the second area is gently curved with respect to a second direction orthogonal to the first direction,
the first substrate in the first portion is bent in a first radius of curvature,
at least one of the wirings in planar view is bent in a second radius of curvature, and
the second radius of curvature of the wirings increases from a peripheral portion of the second area to a central portion of the second area in the first direction.
2. The display device of claim 1 , wherein
the second area has a first side parallel to the second direction, a second side opposed to the first side, a third side connecting the first side and the second side and parallel to the first direction, and a fourth side opposed to the third side and connecting the first side and the second side, and
a width between the wiring closest to the first side and the wiring closest to the second side decreases with increasing distance from the third side.
3. The display device of claim 2 , wherein the width between the wiring closest to the first side and the wiring closest to the second side in the first direction changes at a highest rate in the first portion.
4. The display device of claim 2 , wherein
the second area has an integration area in which at least one of the wirings is inclined with respect to the second direction,
the first portion overlaps the integration area, and
spaces are provided between the integration area and the third side and between the integration area and the fourth side.
5. The display device of claim 2 , wherein
the second area has an integration area in which at least one of the wirings is inclined with respect to the second direction,
the first portion overlaps the integration area, and
a space is provided between the integration area and the fourth side, and no space is provided between the integration area and the third side.
6. The display device of claim 2 , wherein the wirings include first wirings and second wirings, and
at least one of the first wirings is arranged between the second wirings and the first side, and the other first wirings are arranged between the second wirings and the second side.
7. The display device of claim 6 , wherein
the second area includes a first integration area in which the first wirings are inclined with respect to the second direction, and a second integration area in which the second wirings are inclined with respect to the second direction, and
the first portion overlaps the first integration area and the second integration area.
8. The display device of claim 7 , wherein a space is provided between the second integration area and the third side, and no space is provided between the first integration area and the third side.
9. The display device of claim 1 , wherein the first substrate is bent along an axis parallel to the first direction.
10. The display device of claim 9 , wherein the external circuit and the first substrate are attached to each other by an adhesive layer, and thus the first substrate is maintained to be bended.
11. The display device of claim 9 , wherein the second direction is a direction orthogonal to the axis parallel to the first direction.
12. The display device of claim 1 , wherein at least one of the wirings in the first portion crosses the second direction at an angle of 10 degrees or more.
13. The display device of claim 12 , wherein at least one of the wirings in the first portion crosses the second direction at an angle of 30 degrees or more.
14. The display device of claim 1 , wherein an angle at which the wirings cross the second direction increases from a central portion of the second area toward a peripheral portion of the second area in the first direction.
15. The display device of claim 1 , wherein at least one of the wirings in the first portion does not orthogonally cross the first direction.
16. The display device of claim 1 , wherein the second radius of curvature is greater than the first radius of curvature.
17. The display device of claim 16 , wherein at least one of the wirings has two or more bend portions which bend in the second radius of curvature.
18. The display device of claim 1 , wherein the wirings have a multilayer structure of titanium, aluminum, and titanium.