Stretchable device
According to an aspect, a stretchable device includes: a resin base member including a plurality of bodies disposed apart from each other and a plurality of hinges that couple the bodies to each other; and an array layer provided on the resin base member. The array layer includes a plurality of wiring lines extending along the hinges and spaced apart from each other in a width direction of the hinges. Each of the hinges has a plurality of bends bending when viewed in a stacking direction in which the resin base member and the array layer are stacked. Each of the bends has at least one or more slits that are formed between the wiring lines when viewed in the stacking direction and that divide the bend in the width direction.
1 . A stretchable device comprising:
a resin base member comprising a plurality of bodies disposed apart from each other and a plurality of hinges that couple the bodies to each other; and
an array layer provided on the resin base member, wherein
the array layer comprises a plurality of wiring lines extending along the hinges and spaced apart from each other in a width direction of the hinges,
each of the hinges has a plurality of bends bending when viewed in a stacking direction in which the resin base member and the array layer are stacked, and
each of the bends has at least one or more slits that are formed between the wiring lines when viewed in the stacking direction and that divide the bend in the width direction,
wherein the hinge has a linear part having a linear shape when viewed in the stacking direction, and the linear part does not have the at least one or more slits and is continuous in the width direction.
2 . The stretchable device according to claim 1 , wherein
the bend has a plurality of divided bends divided in the width direction by the at least one or more slits, and
the wiring lines are respectively disposed at centers of the divided bends in the width direction.
3 . The stretchable device according to claim 1 , wherein
the bend has a plurality of divided bends divided in the width direction by the at least one or more slits,
the bend is an arc-shaped bend when viewed in the stacking direction,
the divided bends have different radii of curvature,
the wiring lines have arc wiring portions disposed on the divided bends and having different radii of curvature from each other, and
values of the arc wiring portions obtained by dividing the radii of curvature of the arc wiring portions by the widths of the arc wiring portion are equal to each other.
4 . The stretchable device according to claim 2 , wherein
the bend has a plurality of divided bends divided in the width direction by the at least one or more slits,
the bend is an arc-shaped bend when viewed in the stacking direction,
the divided bends have different radii of curvature,
the wiring lines have arc wiring portions disposed on the divided bends and having different radii of curvature from each other, and
values of the arc wiring portions obtained by dividing the radii of curvature of the arc wiring portions by the widths of the arc wiring portion are equal to each other.