Abstract: According to one embodiment, a flexible substrate including, an insulating base including first strip portions, second strip portions, and island-shaped portions each located at an intersection between the first strip portions and the second strip portions, electrical elements overlapping the island-shaped portions, respectively, scanning lines extending while overlapping the first strip portions, respectively, signal lines extending while overlapping the second strip portions, respectively, a first organic insulating film, a second organic insulating film, a stopper layer located between the first and second organic insulating film, and a barrier layer located on the second organic insulating film.

Abstract: According to one embodiment, a method of manufacturing a flexible substrate, includes forming a release layer on a glass substrate, forming an insulating base, forming a plurality of insulating layers, wiring lines and electrical elements, asking the release layer, the insulating base and the plurality of insulating layers from above to the glass substrate via a mask, forming an upper resin layer, removing the glass substrate and the release layer by peeling off an interface between the release layer and the insulating base and forming a lower resin layer so as to be in contact with a lower surface of the insulating base and a lower surface of the upper resin layer.

Abstract: According to one embodiment, an electronic device includes an insulating base including a first portion which is stretchable and a second portion which is adjacent to the first portion and is stretchable, the first portion and the second portion being integrally formed, and electrical elements disposed in the first portion and the second portion, respectively. A first elongation rate of the first portion is different from a second elongation rate of the second portion.

Abstract: 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.

Abstract: According to one embodiment, a flexible substrate includes an array substrate including an insulating basement having a first surface and a second surface opposed to the first surface, a first organic insulating layer which is located alongside the second surface and which is closely adhered the array substrate, and a second organic insulating layer closely adhered the first organic insulating layer. The first organic insulating layer is located between the array substrate and the second organic insulating layer. A plurality of bubbles is mixed in the second organic insulating layer. The second organic insulating layer has an elastic modulus that is lower than that of the insulating basement.

Abstract: According to one embodiment, a flexible substrate includes an insulating base including first and second strip portions, and island-shaped portions, electrical elements, scanning lines each extending while overlapping the first strip portions, signal lines each extending while overlapping the second strip portions, connection wiring lines each extending while overlapping the second strip portions, a scanning line driver, a signal line driver, a support body including a first side edge, and scanning lines are connected to different connection wiring lines on different island-shaped portion, and the scanning line driver and the signal line driver are located on a side of the first side edge.

Abstract: According to one embodiment, a flexible substrate includes a support plate including a first surface, a line portion including a flexible insulating base located on the first surface and a wiring layer disposed on the insulating base, and a protective member covering the line portion, and the wiring layer includes a first metal layer and a second metal layer stacked on the first metal layer, the second metal layer has a first film thickness in a first area and a second film thickness in a second area, and the second film thickness is greater than the first film thickness.

Abstract: According to an aspect, a stretchable device includes: a resin base member; an array layer provided to the resin base member; and a pair of resin layers that sandwich the resin base member and the array layer from both sides in a thickness direction in which the resin base member and the array layer are disposed, the resin layers being made of resin having lower elastic modulus than that of the resin base member. The resin base member includes: bodies separated from each other in a direction orthogonal to the thickness direction; and hinges coupling the bodies while meandering. The array layer includes functional elements overlapping the bodies when viewed in the thickness direction. The resin layers are provided with first rigid parts having higher elastic modulus than that of the resin that forms the resin layers. The first rigid parts overlap the bodies when viewed in the thickness direction.

Abstract: According to an aspect, a stretchable device includes: a stretchable substrate comprising a first resin layer, a resin base member, an array layer, and a second resin layer stacked in the order as listed; and a flexible printed circuit board electrically coupled to an electrical circuit included in the array layer. The resin base member includes end portions separated from each other. The electrical circuit comprises a plurality of first coupling terminals disposed on the end portions. The flexible printed circuit board comprises second coupling terminals facing the first coupling terminals. An anisotropic conductive resin layer electrically coupling the first coupling terminals to the second coupling terminals is provided between the first coupling terminals and the second coupling terminals. The first resin layer has: a first surface provided with the resin base member; and a dummy end portion provided to the first surface and disposed around the end portions.

Abstract: An electronic device includes an insulating base having elasticity, a plurality of lines provided on the insulating base, and a plurality of electric elements connected to the lines. The insulating base includes island-shaped portions in which the electric elements are located, and band-like portions in which the lines are provided and which connect the adjacent island-shaped portions. The band-like portions include a curved portion which meanders, and a straight line portion which connects the curved portion and the island-shaped portion. The curved portion includes a first curved portion, a second curved portion and a third curved portion. A width of the second curved portion is less than a width of the third curved portion.

Abstract: A stretchable array substrate includes: a resin base member and an array layer. The resin base member includes bodies disposed apart from each other and hinges that couple the bodies. The array layer includes electrical wiring lines stacked on the hinges. The hinges each includes a linear portion and a bend that meanders and couples second ends of two of the linear portions. The electrical wiring lines include: a first electrical line stacked on the linear portion; and a second electrical line stacked on the bend. The first electrical line is provided with: a joint stacked on the first end of the linear portion; and a thin wiring portion closer to the second end of the linear portion than the joint and having a length in a width direction intersecting a longitudinal direction of the first electrical line smaller than a length in the width direction of the joint.

Abstract: According to one embodiment, a sensor device includes an insulating base including a meandering strip-shaped portion and an island-shaped portion, a first inorganic insulating film on the island-shaped portion, a first wiring layer on the first inorganic insulating film, a second inorganic insulating film on the first wiring layer, a second wiring layer on the second inorganic insulating film, an organic insulating film on the second wiring layer, a barrier film covering the organic insulating film, a sensor element on the barrier film, and a sealing film covering the sensor element. The barrier film covers side surfaces of the organic insulating film, and the sealing film is in contact with the barrier film and the second inorganic insulating film.

Abstract: According to one embodiment, a flexible substrate includes an insulating base including a first surface and a second surface on an opposite side to the first surface, a wiring layer provided on the second surface side of the insulating base and a resin layer including a support located on the first surface side of the insulating base and a coating layer located on the second surface side of the insulating base, the resin layer including a first area and a second area in planar view, the resin layer having a first elastic modulus in the first area and a second elastic modulus in the second area, and the first elastic modulus being greater than the second elastic modulus.

Abstract: According to an aspect, a touch panel includes, in sequence: a stretchable array substrate, a touch detection electrode; and a resin plate. The resin plate has: a facing surface facing the touch detection electrode; and a detection surface facing opposite to the facing surface. The facing surface or the detection surface has a recessed surface. The recessed surface is provided with a high permittivity layer having permittivity higher than permittivity of the resin plate. The touch detection electrode and the high permittivity layer overlap when viewed in a stacking direction in which the stretchable array substrate, the touch detection electrode, and the resin plate are stacked.

Abstract: According to one embodiment, a flexible substrate includes a first protective member including a first surface, a line portion including a flexible insulating base located on the first surface and a wiring layer disposed on the insulating base and a second protective member covering the line portion, and the first protective member includes a valley portion and a peak portion in the first surface, and the line portion is formed in a wavy shape and located on the valley portion and the peak portion.

Abstract: According to an aspect, a touch panel includes, in sequence: a stretchable array substrate; a detection electrode; and a resin plate. The resin plate has a detection surface facing opposite to the detection electrode. The detection surface has a recessed surface. The detection electrode and the recessed surface overlap when viewed in a stacking direction in which the stretchable array substrate, the detection electrode, and the resin plate are stacked.

Abstract: A stretchable device includes strain gauges and electrical wiring. Each strain gauge includes a first strain gauge and a second strain gauge. The first strain gauge and the second strain gauge are coupled to each other. The electrical wiring includes a first potential line, a second potential line, a coupling line coupling the first potential line to the second potential line, a first signal line, and a second signal line. The first signal line detects a third potential at a first coupling point. The second signal line detects a fourth potential at a midpoint of the coupling line. One of the first strain gauge and the second strain gauge is an inner peripheral strain gauge. The other thereof is an outer peripheral strain gauge. The amount of change in resistance of each strain gauge is detected based on a potential difference between the third potential and the fourth potential.

Abstract: A stretchable device includes a resin base member, strain gauges, and electrical wiring. The strain gauges include a longitudinal strain gauge and a lateral strain gauge. The electrical wiring includes an electrical wiring line for longitudinal strain and an electrical wiring line for lateral strain. The electrical wiring line for longitudinal strain and the electrical wiring line for lateral strain each include a first potential line, a second potential line, a coupling line, a first signal line, and a second signal line. The first signal line detects a third potential at a first coupling point where the second end of the corresponding strain gauge is coupled to the second potential line. The second signal line detects a fourth potential at a midpoint of the coupling line. The amount of change in resistance of each strain gauge is detected based on a difference between the third potential and the fourth potential.

Abstract: To realize a stretchable electronic device having high reliability. The configuration of the present invention is as follows. In a stretchable electronic device in which an active area and a terminal area are continuously formed, a scanning line having a meander structure and a signal line having a meander structure are formed in the active area, terminal wirings and terminals are formed on a base material extending in a second direction and aligned in a first direction in the terminal area, and the base material configures a reinforcing material continuous in the first direction in the part where the terminal is formed.

Abstract: To realize a stretchable electronic device having high reliability. The configuration of the present invention is as follows. In a stretchable electronic device in which an active area and a terminal area are continuously formed, a scanning line having a meander structure and a signal line having a meander structure are formed in the active area, a terminal connected to a wiring substrate is formed in the terminal area on the opposite side of the active area, an electronic component is mounted in the terminal area, a first terminal wiring having a meander structure is formed between the active area and the electronic component, and a second terminal wiring having a meander structure is formed between the electronic component and the terminal.