A flexible fiber substrate and a flexible display device including the same are provided. The flexible fiber substrate includes: an insulating body woven from an insulating fiber and a patterned conductive member made of a conductive fiber. The conductive member and the insulating body are fixed to each other by interlacing, and the conductive member is touchable from outside of the flexible fiber substrate.

Disclosed are a fiber composite laminate including a self-assembled conductive paste and a method of manufacturing the same. The fiber composite laminate includes a fiber-based circuit unit including a fiber substrate and a circuit electrode positioned on the fiber substrate, a composite binder unit positioned on the fiber-based circuit unit, and a connection unit including a connection electrode positioned on the composite binder unit and a flexible substrate positioned on the composite binder unit and the connection electrode. The fiber composite laminate can thus be applied to wearable devices having increased conductivity and durability of joints thereof, a minimized foreign-body sensation, and an improved wearing sensation. Moreover, productivity can be increased owing to a simple manufacturing process, and mass production becomes possible.

A sensor device may detect pressure. The sensor device may comprise: an elastic dielectric; a first wiring formed on one surface of the elastic dielectric; a second wiring formed on another surface of the elastic dielectric facing the surface on which the first wiring is formed; and a flexible printed circuit board, which is connected to the first wiring and the second wiring, for receiving signals transferred from the first wiring and the second wiring.

Provided is a method of manufacturing a printed circuit nano-fiber web. A method of manufacturing a printed circuit nano-fiber web according to an embodiment of the present invention includes (1) a step of electrospinning a spinning solution including a fiber-forming ingredient to manufacture a nano-fiber web; and (2) a step of forming a circuit pattern to coat an outer surface of nano-fiber included in a predetermined region on the nano-fiber web using an electroless plating method. According to the present invention, a circuit pattern-printed nano-fiber web having flexibility and resilience suitable for future smart devices may be realized. In addition, a circuit pattern may be densely formed to a uniform thickness on a flexible nano-fiber web using an electroless plating method, and the flexible nano-fiber web may include a plurality of pores. Accordingly, since the printed circuit nano-fiber web may satisfy waterproofness and air permeability characteristics, it can be used in various future industrial fields including medical devices, such as biopatches, and an electronic device, such as smart devices.

A flexible fiber substrate and a flexible display device including the same are provided. The flexible fiber substrate includes: an insulating body woven from an insulating fiber and a patterned conductive member made of a conductive fiber. The conductive member and the insulating body are fixed to each other by interlacing, and the conductive member is touchable from outside of the flexible fiber substrate.

The present disclosure relates to an integrally formed product including a metal and a fiber of biological origin disposed in dispersed state in the metal. A proportion by mass of the fiber of biological origin contained in the integrally formed product is within a range of 0.02 mass % or more and 10 mass % or less.

A laminate coated with asymmetric metal foils, and a printed circuit board including same. The laminate comprises one or at least two stacked low-modulus prepregs, and a metal foil, coated on one side of the one or at least two stacked low-modulus prepregs, or metal foils having different thicknesses coated on two sides of the one or at least two stacked low-modulus prepregs. The modulus of elasticity of the low-modulus prepreg is 22 GPa or less after the low-modulus prepreg is cured. A low-modulus prepreg having a modulus of elasticity of 22 GPa or less after curing is selected as an insulating material for a laminate coated with asymmetric metal foils, such that the resultant laminate and a printed circuit board manufactured therefrom have a relatively low A-state warpage and a warpage which is obtained after reflow soldering processing, thereby ensuring the reliability of the printed circuit board.

This document describes an interactive object with multiple electronics modules. An interactive object (e.g., a garment) includes a plurality of conductive threads woven into the interactive object, and an internal electronics module coupled to the array of conductive thread. The internal electronics module includes a first subset of electronic components, such as sensing circuitry configured to detect touch-input to the grid of conductive thread. An external electronics module that includes a second subset of electronic components (e.g., a microprocessor, power source, or network interface) is removably coupled to the interactive object via a communication interface. The communication interface enables communication between the internal electronics module and the external electronics module when the external electronics module is coupled to the interactive object.

Provided is a wearable device and a method of manufacturing the same. The wearable device includes: a wearable flexible printed circuit board having a circuit pattern formed on a base substrate having flexibility, air-permeability, and waterproofness; and a functional module mounted on the wearable flexible printed circuit board.

A circuit board nonwoven fabric comprising a paper-formed structure which comprises a plurality of thick fibers in which the portion of greatest fiber diameter is 5 ?m or greater, and a plurality of fine fibers in which the portion of greatest fiber diameter is less than 5 ?m, wherein an average fiber length of the thick fibers is greater than an average fiber length of the fine fibers, the number of fine fibers is greater than the number of thick fibers, and the thick fibers have a flat shape with a major axis and a minor axis, the minor axis being oriented in a thickness direction of the paper-formed structure.