111 results about "Stretchable electronics" patented technology

The invention provides methods and devices for fabricating printable semiconductor elements and assembling printable semiconductor elements onto substrate surfaces. Methods, devices and device components of the present invention are capable of generating a wide range of flexible electronic and optoelectronic devices and arrays of devices on substrates comprising polymeric materials. The present invention also provides stretchable semiconductor structures and stretchable electronic devices capable of good performance in stretched configurations.

In an aspect, the present invention provides stretchable, and optionally printable, components such as semiconductors and electronic circuits capable of providing good performance when stretched, compressed, flexed or otherwise deformed, and related methods of making or tuning such stretchable components. Stretchable semiconductors and electronic circuits preferred for some applications are flexible, in addition to being stretchable, and thus are capable of significant elongation, flexing, bending or other deformation along one or more axes. Further, stretchable semiconductors and electronic circuits of the present invention are adapted to a wide range of device configurations to provide fully flexible electronic and optoelectronic devices.

A flexible and stretchable patterned substrate is provided having a strain-permitting material comprising a patterned conformation that allows the flexible patterned substrate to experience local strain or local strain domains lower than the macroscopic strain of the flexible and stretchable patterned substrate.

In embodiments, the present invention may attach at least two isolated electronic components to an elastomeric substrate, and arrange an electrical interconnection between the components in a boustrophedonic pattern interconnecting the two isolated electronic components with the electrical interconnection. The elastomeric substrate may then be stretched such that the components separate relative to one another, where the electrical interconnection maintains substantially identical electrical performance characteristics during stretching, and where the stretching may extend the separation distance between the electrical components to many times that of the unstretched distance.

The present invention provides electronic systems, including device arrays, comprising functional device(s) and/or device component(s) at least partially enclosed via one or more fluid containment chambers, such that the device(s) and/or device component(s) are at least partially, and optionally entirely, immersed in a containment fluid. Useful containment fluids for use in fluid containment chambers of electronic devices of the invention include lubricants, electrolytes and/or electronically resistive fluids. In some embodiments, for example, electronic systems of the invention comprise one or more electronic devices and/or device components provided in free-standing and/or tethered configurations that decouple forces originating upon deformation, stretching or compression of a supporting substrate from the free standing or tethered device or device component.

The present invention provides electronic circuits, devices and device components including one or more stretchable components, such as stretchable electrical interconnects, electrodes and/or semiconductor components. Stretchability of some of the present systems is achieved via a materials level integration of stretchable metallic or semiconducting structures with soft, elastomeric materials in a configuration allowing for elastic deformations to occur in a repeatable and well-defined way. The stretchable device geometries and hard-soft materials integration approaches of the invention provide a combination of advance electronic function and compliant mechanics supporting a broad range of device applications including sensing, actuation, power storage and communications.

In an aspect, the present invention provides stretchable, and optionally printable, components such as semiconductors and electronic circuits capable of providing good performance when stretched, compressed, flexed or otherwise deformed, and related methods of making or tuning such stretchable components. Stretchable semiconductors and electronic circuits preferred for some applications are flexible, in addition to being stretchable, and thus are capable of significant elongation, flexing, bending or other deformation along one or more axes. Further, stretchable semiconductors and electronic circuits of the present invention are adapted to a wide range of device configurations to provide fully flexible electronic and optoelectronic devices.

An electronic patch includes a foldable circuit layer that includes a foldable network that includes comprising: a plurality of electronic modules comprising a plurality of electronic components, and flexible straps that connect the plurality of electronic modules, wherein the flexible straps comprise conductive circuit that are conductively connected with the plurality of electronic components in the plurality of electronic modules. Neighboring electronic modules can undulate in opposite directions normal to the foldable circuit layer. The electronic patch also includes an elastic layer that encloses the foldable circuit layer.

The invention discloses a method for preparing a three-dimensional porous graphene material by solution. The method comprises the following steps of: immersing a three-dimensional porous template into a graphene oxide solution, and then depositing the graphene oxide on the template to realize three-dimensional assembling of the graphene oxide on the template, and then preparing the three-dimensional porous graphene material containing the template by reduction; removing the template from the three-dimensional porous graphene material containing the template, and then washing to obtain the three-dimensional porous graphene material. The aperture of the three-dimensional porous graphene material can be regulated and controlled by using the templates with different apertures the material prepared by the invention has the advantages of low density, high specific surface area, high heat conductivity, high-temperature resistance, and corrosion resistance; the preparation method is economical and simple and suitable for large-scale production. And the prepared material is applicable to aspects such as catalytic carriers, preparation of flexible conductors, and stretchable electronics.

Provided are a stretchable electronic device and a method of manufacturing the same. The manufacturing method includes forming coil interconnection on a first substrate, forming a first stretchable insulating layer that covers the coil interconnection, forming a second substrate on the first stretchable insulating layer, separating the first substrate from the coiling interconnection and the first stretchable insulating layer, and forming a transistor on the coil interconnection.

Disclosed are a stretchable electronic device for artificial skin and a method of manufacturing the same, wherein the stretchable electronic device for artificial skin includes a first encapsulation layer, a heater disposed on the first encapsulation layer, a second encapsulation layer disposed on the heater, a first sensor array layer disposed on the second encapsulation layer, and a third encapsulation layer disposed on the first sensor array layer.

The invention discloses a preparation method for a stretchable electronic device with a regular corrugated structure, and belongs to the technical field of photoelectron. The method comprises the steps: preparing a roller with the surface being provided with a bar-shaped microstructure through the technologies of machining, 3D printing or injection molding; carrying out the evaporation of a metal film on the surface of an elastic film through employing the vacuum evaporation technology, and enabling the metal film to serve as a metal spacing layer; finally enabling a flexible thin film electronic device to be pasted on the surface of the elastic film through employing the roller rotation technology, and preparing the stretchable electronic device with the regular corrugated structure. The method provided by the invention is suitable for flexible thin-film electronic devices which are made of different materials and have different thicknesses and functions, can control the shape and appearance of corrugations, is low in preparation cost, is high in speed, is high in production efficiency, is uniform and stable in performance, and thereby is suitable for commercialized production.

An embodiment of the invention provides a resiliently deformable and flexible in-ear sound device having stretchable electronic circuitry. The in-ear sound device may be configured in a variety of ways, including, but in no way limited to a smart earplug, a flexible personal sound amplification product, a personal music player, a “walkie-talkie” and the like.

An electronic patch includes a first circuit layer comprising a substantially flat first substrate and a first conductive circuit, a second circuit layer comprising a substantially flat second substrate and a second conductive circuit, and an undulated ribbon that connects the first circuit layer and the second circuit layer. The undulated ribbon includes a third conductive circuit that connects the first conductive circuit and the second conductive circuit. An elastic layer encloses the first circuit layer, the second circuit layer, and the undulated ribbons.

The invention relates to a preparation method of a fractal structure silver particle-based flexible and stretchable conductor. The preparation method is characterized in that the stretchable conductoris prepared from fractal structure silver particles as a conductive filler. The fractal structure silver particles have a special three-dimensional structure, so that interconnection is facilitated to form a conductive network; and the fractal structure silver particles are embedded into a polydimethylsiloxane (PDMS) surface, so that the stretchable conductor with excellent performance can be prepared. The method is simple in synthesis process of the fractal structure silver particles and has good repeatability. The flexible and stretchable conductor is prepared from the fractal structure silver particles as the conductive filler, and research on the stretchable conductor is expanded. The obtained conductor has the characteristics that the preparation process is relatively simple, the energy consumption is relatively low and the stability of the conductivity under a mechanical deformation condition is good; the conductor can be applied to industrial batch preparation and can be applied to flexible and stretchable electronic equipment; and the synthesis method is clean, environment-friendly and suitable for promotion and application.

The invention discloses an intelligent multifunctional clothes storage device and system. The storage device comprises a clothes storage cabinet, and intelligent control management is carried out on the clothes storage cabinet through a remote control device. The clothes storage cabinet comprises a clothes cabinet main body, a wireless receiving controller and a driving device, wherein the wireless receiving controller and the driving device are arranged in the clothes cabinet main body. A plurality of independent inner-layer cabinet bodies are arranged in the clothe cabinet main body, each independent inner-layer cabinet body is connected with the clothes cabinet main body through a sliding device, the sliding devices are connected with the driving device, the driving device is connected with the wireless receiving controller, and the remote control device is in wireless connection with the wireless receiving controller to control the corresponding independent inner-layer cabinet bodies to be lifted up and down and moved in an in-and-out mode. According to the intelligent multifunctional clothes storage device, objects such as clothes can be stored and taken, the multiple functions that the storage device is effectively managed in real time through the wireless connection remote control device, the cabinet bodies are electrically stretched and lifted, automatic dehumidification is achieved, an invisible electric cabinet door is arranged, a lighting system is arranged, and a stretchable electronic scale is internally arranged are further achieved, and great convenience is brought to users.

The invention relates to a self-healing hydrogel electrolyte film, and a preparation method and an application thereof. The electrolyte film is prepared by copolymerization of [2-(methylacryloyloxy)ethyl]dimethyl-(3-sulfonic acid propyl)ammonium hydroxide and a methacrylic acid monomer. Compared with the prior art, the hydrogel electrolyte film disclosed by the invention not only has very high tensile strength, but also shows excellent repeatable self-healing performance. The hydrogel film is used as an electrolyte, and a wrinkled electrode is prepared on the surface of the hydrogel electrolyte film by a pre-stretching method; a flexible supercapacitor prepared from the hydrogel film has good tensile property (1,000%) and self-healing performance, and the healed supercapacitor shows the energy storage performance consistent with that of an original device. The high-tensile and self-healing supercapacitor is relatively simple in structure and preparation process, and has a wide application prospect in the field of flexible stretchable electronic devices.

The invention provides a multi-material 3D printing device for integrally manufacturing a stretchable electronic product and a working method. The device comprises a base and a control module; the base is provided with a three-dimensional workbench, a placing platform, a swing table and a printing bed, wherein the printing bed is arranged on the swing table, and the swing table drives the printingbed with vacuum adsorption and electric heating functions to swing and rotate; and the three-dimensional workbench comprises at least four Z-direction workbenches, the first Z-direction workbench isprovided with a mechanical arm used for grabbing and placing electronic elements, and each of the remaining Z-direction workbenches is provided with a printing nozzle. Movement of the three-dimensional workbench, the swinging table, the mechanical arm and a feeding module are controlled, each printing nozzle executes printing of a flexible base plate, a protective layer, a connecting circuit, an embedded electronic element and a packaging layer of the stretchable electronic product according to a set sequence, and thus integrated manufacturing is realized.

A bulk substrate for stretchable electronics. The bulk substrate is manufactured with a process that forms a soft-elastic region of the bulk substrate. The soft-elastic region includes a strain capacity of greater than or equal to 25% and a first Young's modulus below 10% of a maximum local modulus of the bulk substrate. The process also forms a stiff-elastic region of the bulk substrate. The stiff-elastic region includes a strain capacity of less than or equal to 5% and a second Young's modulus greater than 10% of the maximum local modulus of the bulk substrate.