A printed structure comprises a device comprising device electrical contacts disposed on a common side of the device and a substrate non-native to the device comprising substrate electrical contacts disposed on a surface of the substrate. At least one of the substrate electrical contacts has a rounded shape. The device electrical contacts are in physical and electrical contact with corresponding substrate electrical contacts. The substrate electrical contacts can comprise a polymer core coated with a patterned contact electrical conductor on a surface of the polymer core. A method of making polymer cores comprising patterning a polymer on the substrate and reflowing the patterned polymer to form one or more rounded shapes of the polymer and coating and then patterning the one or more rounded shapes with a conductive material.

A transmission control apparatus, particularly for a motor vehicle, includes a circuit board element, a signal input element, a base, and a first fixing layer. The base includes a hollow space for receiving at least a part of the signal input element and is fastened on a first surface of the circuit board element. The signal input element is at least partially fastened in the hollow space and is electrically connected to the circuit board element via the base. The circuit board element includes a cut-out for inserting the signal input element into the hollow space through the circuit board element. The first fixing layer is configured for sealing the area between the base and the circuit board element and is arranged on the first surface of the circuit board element and on a part of the base.

An electronic apparatus including a display module having a front surface and a rear surface opposing the front surface and including pixels disposed on the front surface and a display pad connected to the pixels and exposed from the rear surface, a protective film disposed on the rear surface of the display module, a circuit board disposed between the display module and the protective film and having a front surface facing the rear surface of the display module and a rear surface, the circuit board including a first substrate pad connected to the display pad and exposed from the front surface of the circuit board and a second substrate pad exposed from the rear surface of the circuit board, and a driving element connected to the second substrate pad to drive the pixels, in which the second substrate pad and the protective film are spaced apart from each other.

Disclosed are compositions, devices, systems and fabrication methods for stretchable composite materials and stretchable electronics devices. In some aspects, an elastic composite material for a stretchable electronics device includes a first material having a particular electrical, mechanical or optical property; and a multi-block copolymer configured to form a hyperelastic binder that creates contact between the first material and the multi-block copolymer, in which the elastic composite material is structured to stretch at least 500% in at least one direction of the material and to exhibit the particular electrical, mechanical or optical property imparted from the first material. In some aspects, the stretchable electronics device includes a stretchable battery, biofuel cell, sensor, supercapacitor or other device able to be mounted to skin, clothing or other surface of a user or object.

A system and method for forming a stretchable conductive circuit package that utilizes an addition and condensation mechanism incorporated into one system. When the stretchable conductive ink is used in a circuit package, the circuit package has high reliability and durability.

An electrical connection sheet makes it difficult for a terminal to peel from a mounting member such as a glass plate, and connects the terminal to a contact member installed on the mounting member in a low electric resistance. The electrical connection sheet 10 has a conduction part 11 constituted of a conductive rubbery elastomer, an adhesion member 15, and a sheet-shape connection member 18 fitted with the conduction part 11 and the adhesion member 15, the connection member 18 being fitted with the adhesion member 15 so that both surfaces of the electrical connection sheet 10 are adhesible.

A printed structure comprises a device comprising device electrical contacts disposed on a common side of the device and a substrate non-native to the device comprising substrate electrical contacts disposed on a surface of the substrate. At least one of the substrate electrical contacts has a rounded shape. The device electrical contacts are in physical and electrical contact with corresponding substrate electrical contacts. The substrate electrical contacts can comprise a polymer core coated with a patterned contact electrical conductor on a surface of the polymer core. A method of making polymer cores comprising patterning a polymer on the substrate and reflowing the patterned polymer to form one or more rounded shapes of the polymer and coating and then patterning the one or more rounded shapes with a conductive material.

Provided are terminal-free connectors for flexible interconnect circuits. A connector comprises a housing chamber defined by at least a first side wall and a second side wall oppositely positioned about the base. An edge support is positioned at each of the first side wall and the second side wall. The edge supports allow for precise placement of the flexible interconnect circuit inside the housing chamber. A cover piece is coupled to the base via a first hinge, and is configured to move between a released position and a clamped position. The cover piece includes a clamp portion securing the flexible interconnect circuit against the edge supports in the clamped position. A slider may be configured to move between an extended position and an inserted position within the housing chamber, and may include a convex upper surface configured to urge the flexible interconnect circuit upwards in the inserted position.

One aspect of the invention provides an interconnect between a stretchable electronic element and a circuit on a rigid or flexible printed circuit board (PCB Circuit), the stretchable electronic element is operable to be mechanically coupled to a substrate which deforms, and the stretchable electronic element will deform with the substrate and may or may not change an electrical characteristic as a result, the stretchable electronic element comprising one or more electrical pathways; the PCB Circuit configured to communicate electronically with the stretchable electronic element and comprising at least one circuit board extending from the stretchable electronic element to an electrical circuit on the PCB Circuit; wherein the interconnect comprises an electrical coupling between the electrical pathways of the stretchable electronic element and the PCB Circuit; and wherein the interconnect simultaneously prevents the connection between the stretchable electronic element from failing when the stretchable substrate is stretched in normal operation, minimizes the bulk of support material required to support the interconnect, and minimizes any reduction in the stretch capabilities of the stretchable substrate.

Provided are terminal-free connectors for flexible interconnect circuits. A connector comprises a housing chamber defined by at least a first side wall and a second side wall oppositely positioned about the base. An edge support is positioned at each of the first side wall and the second side wall. The edge supports allow for precise placement of the flexible interconnect circuit inside the housing chamber. A cover piece is coupled to the base via a first hinge, and is configured to move between a released position and a clamped position. The cover piece includes a clamp portion securing the flexible interconnect circuit against the edge supports in the clamped position. A slider may be configured to move between an extended position and an inserted position within the housing chamber, and may include a convex upper surface configured to urge the flexible interconnect circuit upwards in the inserted position.