Abstract: A tactile sensor includes: a first sheet having at least either flexibility or elasticity; and a second sheet having at least either flexibility or elasticity and having a first surface facing the first sheet and a second surface opposite to the first surface. The second surface includes a plurality of protruding shapes. Each of the plurality of protruding shapes includes an enclosed space inside, the enclosed space being defined by the first surface of the second sheet and the first sheet. At least one first electrode pattern is disposed on the first sheet in the enclosed space of each of the plurality of protruding shapes. At least one second electrode pattern is disposed on the first surface in the enclosed space of each of the plurality of protruding shapes.

Abstract: A method of manufacturing a solar cell includes: forming a p-type surface and an n-type surface on the back surface of a photoelectric conversion unit; forming a base layer and a conductive layer above the p-type surface and the n-type surface; forming a resist film on the conductive layer, in a region corresponding to a separating groove; forming an n-side conductive layer and a p-side conductive layer and an n-side tin (Sn) layer and p-side Sn layer which include tin in stated order, by electroplating using, as a seed layer, the conductive layer on which the resist film is formed; forming an n-side metal layer and a p-side metal layer, which are alloyed with the n-side Sn layer and the p-side Sn layer, respectively, on the n-side Sn layer and the p-side Sn layer, respectively; and etching each of the conductive layer and the base layer.

Abstract: A flexible touch sensor comprises: a first sheet material that has a first major surface, and that has a cushioning property; a second sheet material that includes a conductive material, and that is disposed on the first major surface of the first sheet material; and a conductive wire that is disposed on the first major surface of the first sheet material, and that is sunk into the first sheet material.

Abstract: A tactile sensor comprises: a first sheet having at least either flexibility or elasticity; and a second sheet having at least either flexibility or elasticity and having a first surface facing the first sheet and a second surface opposite to the first surface. The second surface includes a plurality of protruding shapes. Each of the plurality of protruding shapes includes an enclosed space inside, the enclosed space being defined by the first surface of the second sheet and the first sheet. At least one first electrode pattern is disposed on the first sheet in the enclosed space of each of the plurality of protruding shapes. At least one second electrode pattern is disposed on the first surface in the enclosed space of each of the plurality of protruding shapes.

Abstract: A biological sensor includes: a first sheet that has flexibility and/or stretchability; and a second sheet that has flexibility and/or stretchability. The second sheet has a first surface facing the first sheet, and a second surface opposite to the first surface. The second surface has a plurality of projections that are configured to be brought into contact with a living body to obtain information on the living body. In the second surface, at least part of each of the plurality of projections has conductivity. In the first surface, a portion surrounding each of the plurality of projections is bonded to the first sheet.

Abstract: A flexible substrate is provided with: a stretchable sheet; a member located on the sheet; and a stretchable strip connected to the member, and located on the sheet. When the amount of extension of the sheet is equal to or less than a predetermined value, the sheet has a first elastic modulus, and when the amount of extension of the sheet exceeds the predetermined value, the sheet has a second elastic modulus that is greater than the first elastic modulus and greater than the elastic modulus of the strip.

Abstract: A flexible touch sensor comprises: a first sheet material that has a first major surface, and that has a cushioning property; a second sheet material that includes a conductive material, and that is disposed on the first major surface of the first sheet material; and a conductive wire that is disposed on the first major surface of the first sheet material, and that is sunk into the first sheet material.

Abstract: A manufacturing method for an electronic device according to the present disclosure includes (i) forming an insulating film on a surface of a cylinder, (ii) forming the insulating film having a via hole on the surface of the cylinder by pressing a relief member against the insulating film to remove a portion of the insulating film facing a protrusion of the relief member, and (iii) providing a precursor of an insulating layer having the via hole filled with conductive ink on a wiring substrate, wherein the via hole faces a wiring of the wiring substrate.

Abstract: A flexible substrate is provided with: a stretchable sheet; a member located on the sheet; and a stretchable strip connected to the member, and located on the sheet. When the amount of extension of the sheet is equal to or less than a predetermined value, the sheet has a first elastic modulus, and when the amount of extension of the sheet exceeds the predetermined value, the sheet has a second elastic modulus that is greater than the first elastic modulus and greater than the elastic modulus of the strip.

Abstract: A substrate is provided with: a stretchable sheet; a plurality of members located on the sheet; a plurality of strips that are stretchable, and that connect the plurality of members; and a plurality of fiber threads that sew the plurality of members and the sheet together.

Abstract: An electrochemical detector is an electrochemical detector for detecting a substance in a liquid by generating a redox cycle, the electrochemical detector comprising: a first working electrode having a first electrode surface, a second working electrode having a second electrode surface, and a plurality of insulating spacer particles, wherein the first and second electrode surfaces are placed so as to face each other so that an electric field is formed between the first and second electrode surfaces, and the plurality of spacer particles are placed along the first and second electrode surfaces so as to separate the first and second electrode surfaces from each other.

Abstract: A tactile sense presentation device includes first electrodes covered with an insulating film and arranged on a plane; second electrodes arranged on a plane with tops exposed to outside; and a control unit performing a first operation in parallel with a second operation. The first operation is for applying temporally changing first voltages to a part of the first electrodes to generate electric fields which are changed by the part of first electrodes, and the second operation is for applying temporally changing first electric currents to a part of the second electrodes to cause the electric currents to flow from the part of the second electrodes to second electrodes which are different from the part of second electrodes via electric conductors. The first electrodes and second electrodes are arranged not to overlap each other.

Abstract: A tactile sense presentation method includes arranging a plurality of first electrodes covered with an insulating film on a plane; arranging a plurality of second electrodes on a plane with tops exposed to outside; and performing a first operation in parallel with a second operation. The first operation is for applying temporally changing first voltages to a part of the plurality of first electrodes to generate electric fields which are changed by the part of the plurality of first electrodes. The second operation is for applying temporally changing first electric currents to a part of the plurality of second electrodes to cause the electric currents to flow from the part of the plurality of second electrodes to second electrodes which are different from the part of the plurality of second electrodes via electric conductors.

Abstract: A touch panel device with the tactile sense presenting function according to this embodiment includes the plurality of electrodes 1 arranged on the single plane, and the controller 20. The controller 20 performs a first operation and a second operation in a time division manner. The first operation includes applying the first voltage which changes temporally, to some of the electrodes 1, detecting voltages generated on at least some of the remaining electrodes 1 in this state, and detecting the position of the dielectric which is in proximity to the touch panel device, on the basis of the detected voltages. The second operation includes applying the second voltage which changes temporally, to some of the electrodes 1, and generating electric field with the some working electrodes 1.

Abstract: A tactile sense presentation device including: a tactile-sense presentation unit having a first working electrode group of a plurality of first working electrodes arranged along a first direction; and a control unit operable to apply a first tactile sense signal having a first waveform to each of the first working electrodes. The control unit applies the first tactile sense signal, in which a phase difference corresponding to a distance between adjacent first working electrodes is applied to the first waveform, to each of the plurality of first working electrodes so as to cause the first waveform to travel along the first direction at a predetermined speed.

Abstract: A flexible display device includes a wire embedded layer that has flexibility and has a first principal surface, a thick wire embedded in the wire embedded layer so as to be substantially flush with the first principal surface of the wire embedded layer, an extraction lower electrode electrically connected to the thick wire and disposed on the first principal surface of the wire embedded layer, an emitting layer disposed on the extraction lower electrode, and an upper electrode disposed on the emitting layer. The flexible display device is suitable for large-screen devices and offers high productivity.

Abstract: A manufacturing method for an electronic device according to the present disclosure includes (i) forming an insulating film on a surface of a cylinder, (ii) forming the insulating film having a via hole on the surface of the cylinder by pressing a relief member against the insulating film to remove a portion of the insulating film facing a protrusion of the relief member, and (iii) providing a precursor of an insulating layer having the via hole filled with conductive ink on a wiring substrate, wherein the via hole faces a wiring of the wiring substrate.

Abstract: There is provided a method for manufacturing a flexible semiconductor device.

Abstract: A flexible semiconductor device includes a wire embedded layer that has flexibility and has a first principal surface and a second principal surface, a thick wire embedded in the wire embedded layer so as to be substantially flush with the first principal surface of the wire embedded layer, and a thin film transistor element electrically connected to the thick wire. The thin film transistor element is disposed on the first principal surface of the wire embedded layer. The flexible semiconductor device is suitable for increasing the area and can be manufactured with a high productivity. A display device including the flexible semiconductor device and a method for manufacturing the flexible semiconductor device are also disclosed.

Abstract: A flexible display device includes a wire embedded layer that has flexibility and has a first principal surface, a thick wire embedded in the wire embedded layer so as to be substantially flush with the first principal surface of the wire embedded layer, an extraction lower electrode electrically connected to the thick wire and disposed on the first principal surface of the wire embedded layer, an emitting layer disposed on the extraction lower electrode, and an upper electrode disposed on the emitting layer. The flexible display device is suitable for large-screen devices and offers high productivity.