A flexible flat cable capable of increasing space utilization in electronic devices by including a folding portion and by forming an independent conducting wire portion. The flexible flat cable includes a base film provided to extend in a first direction and configured to be foldable, a first conducting wire provided to extend in the first direction on the base film and including a first terminal provided at one end thereof and a first folding area terminal provided at the other end thereof, and a second conducting wire disposed next to the first conducting wire in the first direction, and including a second terminal provided at one end thereof and a second folding area terminal provided at the other end thereof, the second folding area terminal arranged spaced apart from the first folding area terminal of the first conducting wire in the first direction.

A display device is provided, which is arranged by a plurality of optical cables in parallel, and each optical cable comprises includes a conductive material and a light guide material, wherein the light guide material covers the conductive material, and two encapsulated light-emitting elements comprise a first encapsulated light-emitting element and a second encapsulated light-emitting element, which are respectively positioned at two ends of each optical cable, wherein each encapsulated light-emitting element comprises a plurality of light-emitting units, and an area of each light-emitting unit overlaps with an area of the light guide material viewed from a sectional direction.

An electrical connecting element includes a stretchable insulation sheet, two or more first conductive threads on one surface of the insulation sheet, and two or more first resin threads on the one surface of the insulation sheet. The first conductive threads extend in a predetermined direction and are disposed in parallel with each other orthogonally to the predetermined direction. The first resin threads have thermal adhesiveness. The first resin threads do not overlap with any of the first conductive threads.

A wire harness has less differences of the amount of deflection caused by the self weight when the wire harness is constructed by arranging the plurality of the electric wire having the different cross-sectional area of the conductor. A wire harness has first and second electric wires arranged side by side in a direction intersecting an axial direction of the electric wires. Each of the first and second electric wires includes a conductor with a plurality of elemental wires, the second electric wire has a larger conductor cross-sectional area than the first electric wire has, the second electric wire has the larger outer diameter of the elemental wires composing the conductor than the first electric wire has, and the second electric wire contains a same or smaller number of elemental wires composing the conductor in comparison with the first electric wire.

A wiring member includes a sheet material and a plurality of insulating wires disposed to have a crossing part on a main surface of the sheet material. For example, an insulating covering of a lower wiring part in the crossing part is fixed to the sheet material in a position of the crossing part, and a thickness of at least one of the insulating covering of the lower wiring part and the sheet material in the position is reduced.

An electrical connector having a detachable interface and a permanent interface is supported by connecting the permanent interface to a circuit-board. A first loom end (303) and a second loom end (305) are connected to the circuit board and an over-moulding (404) is applied to cover the permanent interface, the first loom end and the second loom end. The detachable interface is located through an orifice in an item of clothing (410) and the over-moulding is secured to an internal surface of an item of clothing by a first side flange (404) and a second side flange (405).

Elongated conductors are provided. Aspects of the elongated conductors include: an elongated structure having a proximal region and a distal region, where the elongated conductor includes two or more insulated conducting members that are in fixed relative position along at least a portion of the elongated structure and extend from the proximal region to the distal region. A pattern of insulation openings among the insulated conducting members is present at one or both of the proximal and distal regions. Aspects of the invention further include methods of making the elongated conductors, as well as devices that include the elongated conductors.

A stretchable conductor includes a substrate with a first major surface and an elongate wire, wherein the substrate is an elastomeric material, the elongate wire is on the first major surface of the substrate, the wire includes a first end and a second end, and further includes at least one arcuate region between the first end and the second end. At least one portion of the arcuate region of the wire in the region has a first surface area portion embedded in the surface of the substrate and a second surface area portion unembedded on the substrate and exposed in an amount sufficient to render at least an area of the substrate in the region electrically conductive. The unembedded second surface portion of the arcuate region may lie above or below a plane of the substrate. Additionally, different methods of preparing said stretchable conductor are disclosed. Composite articles including said stretchable conductor in durable electrical contact with a conductive fabric are also disclosed.

A flexible member includes a first member, a second member overlapping the first member, and a plurality of second reinforcing portions. The first member includes a non-overlapping region not overlapping the second member. The non-overlapping region includes an edge portion of the first member. The second member includes a plurality of first reinforcing portions between which the non-overlapping region is interposed. Each of the plurality of second reinforcing portions overlaps both a first area of the second member in which one of the plurality of first reinforcing portions is formed and a second area of the second member other than the first area when the flexible member is projected from a direction perpendicular to a surface of the flexible member.

A wire harness includes a base material and electrical wires including a first electrical wire and a second electrical wire and disposed to be stacked in layers on the base material. A fixing means in a first fixing position for keeping the first electrical wire disposed on the base material and a fixing means in a second fixing position for keeping the second electrical wire disposed on the first electrical wire are different from each other.