1248 results about "Flexible electronics" patented technology

The invention discloses a flexible heat-conducting composite material with chain-shaped boron nitride and a preparation method, and belongs to the technical field of flexible electronic device heat management materials, the flexible heat-conducting composite material comprises an elastomer matrix and a magnetic functionalized boron nitride filler filled in the elastomer matrix; the elastomer matrix is polydimethylsiloxane; the magnetic functionalized boron nitride filler is prepared by modifying Fe3O4 nanoparticles on the surface of a boron nitride sheet; the boron nitride sheets form a vertically arranged chain structure in the elastomer matrix. The chained vertical arrangement of the boron nitride sheets is realized by prolonging the magnetic field treatment time, the Fe3O4 modification quantity is controlled to optimize the balance between the magnetic responsiveness and the heat-conducting property, a chained heat-conducting network connected end to end is formed, and the thermal seepage threshold value is reduced. According to the flexible composite material and the preparation method thereof, boron nitride sheets are induced to be vertically arranged through a magnetic field to form a chain-shaped heat-conducting network, so that high heat conductivity under low filler loading capacity is realized, and excellent stretchability is kept at the same time.

A wiring module is attached to a plurality of power storage elements, and includes: a flexible printed circuit board; and a protector holding the flexible printed circuit board, wherein the flexible printed circuit board includes a base film, a plurality of conduction paths that are disposed on a surface of the base film, and a connector that has an opposing surface opposing the surface of the base film and that is connected to the plurality of conduction paths, the plurality of conduction paths and electrode terminals of the plurality of power storage elements are electrically connected, the connector includes connection portions that are connected to the plurality of conduction paths, and at least some of the plurality of conduction paths are routed from the connection portions through a space between the surface of the base film and the opposing surface of the connector.

The invention relates to the technical field of flexible electronic materials and devices, and discloses a multilayer composite fiber membrane, a preparation method and application thereof, and a flexible strain sensor. The multi-layer composite fiber membrane comprises a polymer membrane and a conductive sulfonated SEBS (Styrene-Ethylene-Butylene-Styrene) membrane which are used as matrix layers, wherein the polymer film is doped with a conductive filler. The flexible strain sensor prepared by using the multilayer composite fiber membrane provided by the invention has high sensitivity and short response recovery time, not only has a monitoring capability for a stretching signal, but also has sensitive response to a pressing signal, can identify weights with different weights, and has very reliable sensing capability.

The invention discloses a capacitive flexible sensing array based on an FPC technology and a preparation method thereof, PVDF-TrFE and ionic salt [BMIM / Br] in a specific mass ratio are prepared into an ionic thin film dielectric layer under the action of a cross-linking agent, and a specific rectangular pyramid microstructure is given to the ionic thin film dielectric layer through a microneedle structure mold; and an upper electrode layer and a lower electrode layer for channel multiplexing are prepared in combination with an FPC technology, and finally the sensing array is packaged through vacuum hot pressing bonding. The core innovation of the invention lies in that through the synergistic effect of the ion double electric layer effect, the microstructure stress concentration and the FPC electrode multiplexing design, ultrahigh sensitivity (0-20kPa interval sensitivity gt, 30kPa) and low crosstalk (array crosstalk rate lt, 5%) are realized at the same time. The local deformation characteristic of the microneedle structure effectively restrains edge electric field diffusion, the crosstalk problem of a high-density array is solved from the physical structure, and a key technology is provided for application of flexible electronics in the field of precise tactile perception.

Flexible electronic devices may be provided. A flexible electronic device may include a flexible display, a flexible housing and one or more flexible internal components configured to allow the flexible electronic device to be deformed. Flexible displays may include flexible display layers, flexible touch-sensitive layers, and flexible display cover layers. The flexible housing may be a multi-stable flexible housing having one or more stable positions. The flexible housing may include a configurable support structure that, when engaged, provides a rigid support structure for the flexible housing. The flexible internal components may include flexible batteries, flexible printed circuits or other flexible components. A flexible battery may include flexible and rigid portions or may include a lubricious separator layer that provides flexibility for the flexible battery. A flexible printed circuit may include flexible and rigid portions or openings that allow some rigid portions to flex with respect to other rigid portions.

The invention provides an organic electrochemical transistor regulated and controlled by a grating electrode and a preparation method of the organic electrochemical transistor, and belongs to the technical field of photoelectric detection and organic electrochemical transistors. The organic electrochemical transistor comprises a transparent substrate, a detector anode, a hole transport layer, a photosensitive layer, a semiconductor active layer, an electron transport layer, a detector cathode, a packaging layer, a transistor grid electrode, a transistor source electrode, a transistor drain electrode and an electrolyte. A QPD and an OECT are integrated above the transparent substrate. The invention also provides a preparation method of the organic electrochemical transistor. Through the illumination effect, the photo-generated voltage generated by the QPD serves as a grid regulation and control signal, and higher current variation for different illumination intensities is achieved. The preparation process is remarkably simplified, the responsivity, the detectivity and the linear dynamic range of the device are improved, the stability and the low power consumption characteristic are improved, and a new solution is provided for application of a photoelectric-electrochemical fusion device in the fields of flexible electronics, wearable detection, biosensing and the like.

An electronic device is provided. The electronic device includes a slidable housing including a first housing and a second housing, a first substrate included in the first housing and including a processor, a second substrate included in the second housing, a flexible printed circuit board (FPCB) which includes a ground line, electrically connects the first substrate and the second substrate to each other, and has a shape changed according to the movement of the slidable housing, and a matching circuit electrically connecting the first substrate and at least a portion of the ground line of the FPCB, and changing impedance under the control of the at least one processor according to the shape of the FPCB.

The invention discloses a novel automobile back view mirror flexible printed circuit board prepared based on weldable silver paste, and belongs to the technical field of electronic materials and devices, conductor patterns in the flexible printed circuit board comprise a main circuit pattern and an auxiliary function structure formed by weldable low-temperature curing silver paste; the curing temperature of the weldable low-temperature silver paste is 125-135 DEG C, and the weldable low-temperature silver paste comprises conductive filler, a polymer resin system, a high-boiling-point ester solvent, a curing agent, a silane coupling agent, a polyamide wax thixotropic agent, a polysiloxane defoaming agent, modified carbon nanotubes, modified aluminum oxide powder, modified barium sulfate and a low-stress modifier. The polymer resin system comprises novolac epoxy resin, biphenyl epoxy resin and a polyacrylate-CTBN copolymer; through the synergistic effect of all the components and an innovative process, comprehensive improvement of mechanical reliability, environmental durability, conductive stability and power load capacity is achieved, and the strict requirement for high reliability of the automobile rearview mirror in an extreme environment is perfectly met.

The invention discloses a novel notebook flexible printed circuit board prepared based on weldable low-temperature silver paste and a backlight module, and belongs to the technical field of electronic materials and devices. Conductor patterns of the flexible printed circuit board comprise a main circuit pattern formed by rolled copper; the auxiliary function structure is formed in a local area of the main circuit pattern by weldable low-temperature silver paste; the curing temperature of the weldable low-temperature silver paste is 130-145 DEG C, the weldable low-temperature silver paste comprises conductive filler, a polymer resin system, an ester solvent, a curing agent, a silane coupling agent, a polyamide wax thixotropic agent, a polysiloxane defoaming agent, modified carbon nanotubes and modified antimony tin oxide powder, and the conductive filler comprises flaky silver powder, spherical silver powder and low-temperature alloy powder. The low-temperature alloy powder is Sn42Bi58 low-temperature alloy powder of which D50 is 12 [mu] m-15 [mu] m; according to the invention, low-temperature curing, high flexibility, excellent conductivity and direct weldability are integrated, and a solution suitable for local repair of a flexible printed circuit board and direct mounting of a jumper and a Mini LED chip is provided.

The invention relates to room-temperature self-repairing polyurethane with quadruple hydrogen bonds / disulfide bonds and a preparation method of the room-temperature self-repairing polyurethane, and the prepared polyurethane is a thermoplastic polymer and shows a dynamic cross-linked structure. The polyurethane is prepared by adopting a step-by-step polymerization method in the presence of two chain extenders containing different dynamic bonds, the prepared polyurethane has good mechanical properties, self-repairing of cracks can be realized in a room temperature environment, and the method is simple and easy to industrialize. The polyurethane has important application value in the industries of flexible electronics, medical instruments, long-acting protection and the like.

The invention relates to the technical field of manufacturing of electronic components, and discloses an LCM (liquid crystal module) backlight FPC (flexible printed circuit) micro-deformation prevention method, which comprises the following specific steps: S1, implementing large-area copper laying design on an element surface of a flexible printed circuit board, and covering a main area of the element surface with uniformly distributed copper foils to form a continuous conductive layer with consistent thickness, while the conductive layer bears electrical connection of the LED light source, the surface reflection characteristic of the conductive layer is optimized, and the phenomenon of uneven light reflection caused by surface fluctuation is reduced. Through the large-area copper laying design of the element surface and the S-shaped isolation interval layout, thermal stress is effectively guided to be symmetrically distributed in multiple directions and offset each other, plane micro-deformation of the FPC under thermal circulation is remarkably restrained, the deformation quantity is controlled within 50 micrometers, the problems of stress concentration and deformation amplification caused by linear intervals in the prior art are solved, and the reliability of the FPC is improved. And long-term stability and optical performance of the backlight module are ensured.

The invention relates to a flexible electronic skin integrated dust-breath bimodal detection system and detection method. A bimodal sensing module, a signal processing module, a wireless transmission module, a data application module, an abnormity early warning module and a power supply are integrated on a composite flexible substrate; the bimodal sensing module monitors a dust concentration characteristic signal of a working place and a breathing frequency characteristic signal of a worker in real time; the signal processing module receives the signals and carries out noise reduction and data fusion processing to obtain a data set D; the wireless transmission module transmits the data set D to the data application module in real time, performs data real-time display, historical data storage, report generation and data export functions, and supports synchronization to an occupational health management platform; meanwhile, the data application module can process data in the data set D and feed back a processing result to the abnormity early warning module, and the abnormity early warning module correspondingly triggers an early warning signal according to feedback data; according to the invention, the target can be continuously monitored, and a high-precision detection result is obtained.

The invention belongs to the technical field of high polymer materials, and particularly relates to a fluorescent liquid crystal polyurethane material as well as a preparation method and application thereof. According to the invention, hydroxyl and a flexible spacer-CH2-are introduced to cyanostilbene to synthesize a dihydroxyl-containing cyanostilbene compound as a dihydroxyl fluorescent liquid crystal monomer. A linear polyurethane material is prepared by taking a dihydroxyl fluorescent liquid crystal monomer and diisocyanate as raw materials, and a structural unit of cyanostilbene is directly introduced into a main chain structure of polyurethane in a chemical bonding manner, so that fluorescent / liquid crystal units are uniformly and stably distributed in a polymer main chain; the fluorescent liquid crystal polyurethane material integrating high mechanical property, good processability and stable fluorescence characteristic is obtained. The fluorescent liquid crystal polyurethane material can provide a multifunctional solution in wider fields of data storage, coding anti-counterfeiting, intelligent sensing, flexible electronics, shape memory materials, photoelectric display devices, optical fiber communication, biomedicine and the like.

A detection device includes: a substrate having opposite ends with a notch therebetween; a terminal part provided at one end of the substrate; a first optical sensor on the substrate between the notch and the terminal part; a second optical sensor on the substrate between the notch and another end of the substrate; and a flexible printed circuit board provided with a light source and electronic components. A lower electrode, a lower buffer layer, an active layer, an upper buffer layer, an upper electrode, and a sealing film are stacked on the substrate in each of the first and second optical sensors. The lower electrodes of the first and second optical sensors are coupled to the terminal part. The terminal part is coupled to an end of the flexible printed circuit board. The flexible printed circuit board is bent. The notch is disposed at a location overlapping the light source.

The invention discloses SIS (styrene-isoprene-styrene) containing dynamic reversible bonds and a preparation method thereof, and belongs to the technical field of high polymer materials. The copolymer is prepared through a Diels-Alder reaction with bismaleimide on the basis of a polystyrene construction unit with two tail ends capped with furan and a polyisoprene construction unit module with two tail ends capped with furan. Wherein the DA bond has a thermal reversible characteristic. The furan end-capped building unit module with controllable molecular weight and narrow distribution is prepared, and reversible connection and dissociation of blocks are realized through a modularization strategy. According to the invention, an inverse Diels-Alder reaction can be carried out at 120-140 DEG C, and is dissociated into an original construction unit module, so that the proportion of soft and hard segments of a copolymer is changed by supplementing a specific construction unit feeding amount and carrying out the Diels-Alder reaction again; the SIS has the advantages of being accurate in structure and designable in performance at the same time, flexible regulation and control over the block proportion are achieved through the SIS containing the dynamic reversible bonds, and meanwhile the SIS has wide application prospects in the fields of recyclable adhesives, intelligent packaging, flexible electronics and the like.

The application discloses a kind of super tough polyvinyl alcohol composite hydrogel with biological activity and preparation method thereof.The polyvinyl alcohol composite hydrogel refers to that polyvinyl alcohol (PVA) is added into NaOH solution, heated to 90 DEG C, and stirred vigorously for 2 hours, after PVA is completely dissolved, a certain proportion of sodium lignosulfonate (LS) and rutin (RT) powder is added, after sodium lignosulfonate and rutin are completely dissolved, it is air-dried into 0.3~0.5 mm thick film at room temperature, then it is immersed in 20~30 mL 10 wt% NaCl solution and swells for 3~5 hours, to obtain PVA-LS-RT composite hydrogel.The polyvinyl alcohol composite hydrogel prepared by the application has super strong mechanical property, and has higher antibacterial, antioxidant and wound healing capacity, and has good application prospect in wound dressing, artificial cartilage and flexible electronics and other cutting-edge fields.

The invention discloses a TPU film for robot electronic skin and a preparation method of the TPU film, and relates to the technical field of flexible electronic materials, the film takes TPU introduced with Diels-Alder dynamic reversible bonds as a matrix, a conductive filler is formed by dopamine-modified silver nanowires and MXene, the concentration of the conductive filler is in continuous or quasi-continuous gradient decrease, and the conductive filler is a conductive filler formed by silver nanowires and MXene. An integrated network with self-repairing and environmental stability is formed and is used as an electrode; phase change microcapsules and triboelectric nanofibers are compounded in a low-conductivity contact area to form an intelligent response layer which is self-adaptive in sensing threshold and capable of generating power by friction. Through one-step multi-nozzle electrostatic spinning forming, the problem that self-repairing, signal stability, environmental adaptability and energy independence in electronic skin are difficult to consider at the same time is solved.

The invention provides high-stability double-layer core-shell coated pure copper silver-substituted conductive paste and a preparation method thereof, and belongs to the technical field of electronic special materials. The copper-resistant coating comprises the following components in percentage by mass: 82%-90% of antioxidant copper powder with a double-layer core-shell structure, 3%-6% of bismuth-boron-zinc lead-free low-melting-point glass powder, 3%-7% of a modified epoxy resin compound organic carrier, 2%-5% of a gradient volatilization compound solvent and 0.5%-2% of a special compound additive for copper. Through the double-layer core-shell copper powder design of inner-layer nano-silver passivation and outer-layer organic composite coating and in cooperation with a liquid-phase synergistic anti-oxidation system, the volume resistivity after slurry curing is smaller than or equal to 3.5 * 10 <-5 > omega.cm, the resistivity change rate after 1000-hour damp-heat aging at 85 DEG C / 85% RH is smaller than or equal to 10%, the normal-temperature storage period without opening a tank is larger than or equal to 6 months, direct curing can be conducted in the conventional air atmosphere of 120-160 DEG C, and the high-temperature-resistant copper paste can be applied to the field of high-temperature storage. The silver paste is completely compatible with production and application production lines of existing silver paste, equipment transformation is not needed, the comprehensive cost is reduced by more than 80% compared with pure silver paste, and the silver paste can be widely applied to the fields of PCBs, membrane switches, flexible electronics, photovoltaic back electrodes, LED packaging and the like.

An electronic device including: a first housing including at least one first electronic component, the first housing having a through-hole therein; a second housing including at least one second electronic component; a hinge device that rotatably connects the first housing to the second housing; a flexible printed circuit board that penetrates through the through-hole in the first housing, and electrically connects the at least one first electronic component and the at least one second electronic component; a stiffener on the flexible printed circuit board; and a waterproof structure in the through-hole, wherein the waterproof structure includes: a first waterproof member coupled with the stiffener to form a loop structure having an opening, and a second waterproof member on the first waterproof member and covering the opening, and wherein the stiffener and the first waterproof member surround a periphery of the through-hole.

The invention relates to the technical field of energy storage materials, and provides a composite solid polymer electrolyte membrane and a preparation method thereof.The composite solid polymer electrolyte membrane is prepared through the steps that a polymer matrix serves as a matrix, a polar solvent is adopted for dissolving to form a pure polymer solution, then lithium salt and nematic phase liquid crystal E7 are added, a chiral dopant can also be added, uniform printing slurry is formed, and the composite solid polymer electrolyte membrane is obtained through 3D printing. And carrying out hot pressing treatment to prepare the composite solid polymer electrolyte membrane. The electrolyte membrane prepared by the invention has a controllable porous structure, a high dielectric constant and excellent piezoelectricity and energy storage performance, complex structures such as a three-dimensional grid and a porous structure can be directly printed, and the thickness and shape of the membrane can be accurately controlled by adjusting parameters such as a printing path, a layer height and filling density; the method is very suitable for the requirements of rapid customization of product shapes and sizes in the fields of flexible electronics, wearable equipment and the like. The invention also provides an application of the composite solid polymer electrolyte membrane prepared by the method in an energy storage device.

The invention relates to the technical field of flexible electronic sensors, in particular to a large-strain interdigital capacitive sensor based on liquid metal conductive paste, which comprises a flexible substrate, and the flexible substrate comprises a bottom packaging layer and a top packaging layer integrally connected to the upper surface of the bottom packaging layer. A liquid metal interdigital electrode is embedded between the bottom packaging layer and the top packaging layer, the liquid metal interdigital electrode is formed after liquid metal conductive paste is subjected to laser ablation patterning, the end of the liquid metal interdigital electrode is connected with a flexible wire, and one end of the flexible wire extends to the outside of the flexible substrate; the liquid metal conductive slurry is paste conductive slurry which is rich in oxide and is formed by mechanically stirring and oxidizing liquid metal; the liquid metal is gallium-based liquid metal; the problems that an existing flexible strain sensor cannot meet the large strain measurement requirement and is poor in stability and complex in preparation process are solved.

An insole layer includes a top cover layer, a bottom cover layer, and a flexible printed circuit board disposed between the top cover layer and the bottom cover layer. The flexible printed circuit board includes a motion-tracking device, a processor, and a power supply. The motion-tracking device includes a plurality of sensors, wherein each sensor is configured to detect motion of one of a plurality of sensing areas disposed adjacent to a lower surface of the flexible printed circuit board. The processor is configured to receive motion data generated by the motion-tracking device. The power supply device is coupled to the motion-tracking device and the processor.

The invention belongs to the technical field of flexible electronics, and relates to a flexible piezoresistive sensor based on an MXene multilevel heterostructure and a preparation method of the flexible piezoresistive sensor. The method comprises the steps that MXene nanosheets are attached to the surface of a thermoplastic polyurethane nanofiber substrate through electrostatic self-adsorption, a nanofiber composite layer is obtained, UIO-66-NH2 is dispersed in the thermoplastic polyurethane nanofiber substrate, and the surface of the thermoplastic polyurethane nanofiber substrate is modified with a first chitosan modification layer; the MXene nanosheets are embedded into the three-dimensional network of the polyurethane foam skeleton through dipping and extruding operation, a porous foam composite layer is obtained, and the surface of the polyurethane foam skeleton is modified with a second chitosan modification layer; and combining the nanofiber composite layer and the porous foam composite layer through a conductive adhesive containing silver paste, and carrying out packaging treatment to form the MXene multistage heterostructure with tightly combined interfaces. Based on the method, through the synergistic effect of the multistage heterostructures, high sensitivity, wide pressure detection range and high stability are realized at the same time.

The invention discloses a conjugated polymer film with electrical properties and tensile stability simultaneously improved, and a preparation method and application thereof, and belongs to the technical field of flexible electronic materials. The preparation method comprises the following steps: placing the conjugated polymer film in a solution formed by mixing an electrolyte and a dopant, and soaking for 30-60 seconds to complete ion exchange doping, thereby obtaining the conjugated polymer film with various carrier transport channels. The strategy of increasing the types of carrier transmission channels is adopted, and two main transmission channels of a crystal phase and an accumulation region are formed in the conjugated polymer film through an ion exchange doping method, so that the conjugated polymer film can maintain the electrical property at a high proportion under a stretching external field, and the electrical property of the conjugated polymer film is improved under the same stretching strain. And the tensile stability of the conductivity is far higher than that of a conjugated polymer film which only takes a crystal phase or an accumulation region as a carrier transmission channel.

The invention belongs to the technical field of electromagnetic shielding and thermal management materials, and particularly relates to an electric insulation aramid nanofiber electromagnetic shielding composite film and a preparation method thereof. The composite film comprises an ANF layer, an LM-coated AgNWs conductive layer and a PDMS electrical insulation layer which are stacked in sequence, and the multifunctional composite film with high conductivity, high thermal conductivity, excellent electromagnetic shielding performance and electrical insulation is constructed through vacuum-assisted suction filtration, hot pressing and blade coating processes. The electromagnetic shielding effectiveness of the composite film in the X wave band reaches up to 92 dB, the volume resistivity exceeds 1 * 10 < 15 > omega.cm, and the composite film has good mechanical strength, flexibility and environmental stability and is suitable for electromagnetic protection and thermal management in electronic packaging, flexible electronics and extreme environments.

The invention discloses a self-powered flexible sensor and a preparation method thereof, and belongs to the field of electronic skin, man-machine interaction, flexible electronic devices and sensors. The invention relates to a cellulose acetate-based ionic gel self-energized flexible sensor which is prepared from cellulose acetate, ionic liquid, a polymer monomer, a cross-linking agent and an initiator and has good mechanical property and antibacterial property, the cellulose acetate enhances the mechanical property of the gel through non-covalent crosslinking, and the ionic liquid plays a conductive role. The flexible sensor has good conductivity, high sensitivity and stability, and can be stretched, twisted and bent. Meanwhile, the high transparency and excellent biocompatibility can be realized, so that the electronic skin can be used as the electronic skin for multifunctional perception and integrated application. The material is environment-friendly, the preparation method is simple, the operability is high, the application field is wide, and the prospect is wide.

The invention belongs to the technical field of flexible electronics and wearable equipment, and particularly relates to a porous epidermal electrode based on liquid metal and a preparation method of the porous epidermal electrode. The porous skin electrode based on the liquid metal is composed of a liquid metal conducting layer and a porous elastic supporting layer, and is prepared through three key steps of composite solution preparation, three-phase two-interface system construction and gas-oil interface synergistic oil-water self-assembly. According to the innovative process, cooperative forming of the conductive layer and the porous supporting layer is achieved, and the liquid metal particles can be controllably distributed in micron-sized pores of the elastic supporting layer. The prepared porous liquid metal epidermal electrode has the core advantages of low interface impedance and high air permeability, high-precision and high-stability epidermal electrode detection can be performed on various biological signals, and a core technical solution with reliable performance is provided for the field of wearable medical diagnosis.

The invention discloses a bacterial cellulose / silver nanowire / MXene composite conductive film and a preparation method thereof, and relates to the technical field of flexible conductive materials. The composite film comprises a bacterial cellulose substrate, an MXene conductive layer and a silver nanowire conductive network layer. The preparation method comprises the following steps: S1, preparing bacterial cellulose dispersion liquid; s2, preparation of an MXene dispersion liquid; s3, preparing a silver nanowire dispersion liquid; and S4, preparing the composite film. The composite film with a Janus structure is prepared through a vacuum-assisted layer-by-layer filtering process, and the composite film has high mechanical performance, low square resistance, excellent electromagnetic interference shielding effectiveness, rapid Joule heating performance and excellent environmental stability and mechanical durability. The problem that an existing flexible electromagnetic shielding material is difficult to consider ultrathin performance, high flexibility, strong mechanical performance and multifunctional integration is solved, and the flexible electromagnetic shielding material has wide application prospects in the fields of electromagnetic shielding, flexible electronic devices, wearable heaters and the like.

The invention relates to the technical field of flexible electronic sensors, in particular to a flexible large strain sensor for crack detection and a preparation method thereof.The flexible large strain sensor comprises a skeleton-shaped packaging layer, the packaging layer comprises two rigid fixing ends, and the two rigid fixing ends are integrally connected through a sensitive unit section; a rigid reinforcing structure is embedded in each rigid fixing end, mechanical fixing holes are formed in each rigid fixing end and the corresponding rigid reinforcing structure in a penetrating mode, interdigital capacitor electrodes are embedded in the sensitive unit sections, and the interdigital capacitor electrodes are made of flexible conductive materials through laser ablation. The end part of the interdigital capacitor electrode is connected with a flexible extension wire, the tail end of the flexible extension wire is connected with an external lead, and the external lead is embedded between the packaging layer and the upper surface of the rigid fixed end; the problems that an existing flexible sensor is unstable in installation, contradictory in measuring range and precision and poor in environmental adaptability in structural crack detection are solved.

The invention relates to the field of intelligent surfaces and flexible electronics, and discloses a light-emitting structure with intelligent touch and light-transmitting display functions and a control system.The light-emitting structure sequentially comprises a stress buffer layer, a touch function layer and a light-transmitting surface layer from inside to outside, and the stress buffer layer is provided with a micron-sized corrugated structure; flexible photoelectric display modules are integrated in the troughs; the touch function layer is made of an elastomer material containing a nanowire network, and a micro hydraulic tactile feedback unit is embedded in the touch function layer; the light-transmitting surface layer is provided with micro-nano textures and is used for generating diffuse reflection on ambient light and presenting matte texture when no light is emitted from the interior. Excellent flexible stretching and curved surface adaptability are achieved through the corrugated structure and the lap joint sliding conductive network, and accurate touch control is ensured; millisecond-level local physical touch is provided through an electrostriction driving hydraulic amplification principle; the invisible display effect is achieved in combination with the light-transmitting skin, and the problems of mechanical failure and tactile feedback deficiency in vehicle-mounted curved surface interaction are solved.