69results about How to "Has a bendable" patented technology

The invention relates to an electrochromic composite material and an electrochromic device and a preparation method thereof. The electrochromic composite material comprises a conductive layer and a thermochromic layer. The thermochromic layer is laminated on the conductive layer and comprises a first flexible polymer base body and an organic phase change material, the organic phase change material is opaque at normal temperature, and the first flexible polymer base body is transparent at normal temperature. The conductive layer comprises a second flexible polymer base body and a conductive material evenly deposited on the base body. The conductive material is a transparent conductive material. The electrochromic device comprises the electrochromic composite material and at least two electrodes. The electrodes are arranged at intervals and electrically connected with the conductive layer. The electrochromic device based on the electrochromic composite material has the advantages of being simple in preparation process, low in cost, good in flexibility and bendable, and accordingly can be applied to the fields of smart windows, energy saving buildings and military camouflage and the like.

The invention belongs to the technical field of flexible electronic display control, and provides a flexible display control device and a preparation method. The device includes: a printed circuit control layer and a flexible display screen formed by using liquid metal as an electric wire; the printed circuit control layer, connected with the flexible display to control the flexible display for display. By using a flexible circuit instead of a traditional rigid circuit, the flexible display device can be bent and folded to any degree, realizing a complete flexible display function, wide application range, and high practical significance.

The invention relates to a flexible strain transducer based on carbon nanofiber yarn woven fabric and a preparation method thereof. The preparation method includes the following steps: uniformly spreading a polymer solution or a liquid polymer, and drying the polymer solution or the liquid polymer to prepare base film; connecting the carbon nanofiber yarn woven fabric with extraction electrodes, infiltrating the carbon nanofiber yarn woven fabric into the polymer solution or the liquid polymer, placing the carbon nanofiber yarn woven fabric on the base film, and performing drying treatment; applying the polymer solution or the liquid polymer to the surface of the carbon nanofiber yarn fabric once, and preparing the flexible strain transducer based on the carbon nanofiber yarn woven fabricthrough drying. Final products include the carbon nanofiber yarn woven fabric, two extraction electrodes communicating with the carbon nanofiber yarn woven fabric, and polymer film covering the upperand lower surface of the carbon nanofiber yarn woven fabric. A sensitivity coefficient of is 30-200 when cyclic stretch is performed at elongation ranging from 0 to 5-12%; and a linear correlation coefficient is more than or equal to 0.995 when the elongation is 9% or below when stretch is performed. The preparation method is simple in a process, and low in cost.

The invention relates to a thinned energy storing device and a manufacture process thereof. The thinned energy storing device sequentially comprises a lower encapsulating layer, a collector layer, a positive layer, an isolation layer, a negative layer and an upper encapsulating layer from bottom to top, wherein the lower encapsulating layer and the upper encapsulating layer are made of barrier thin-film materials; the collector layer is made of a conducting material; the positive layer is prepared from inorganic active slurry with oxidizability; the isolation layer is made of specialty paper or a plastic film with electrical insulation property; the negative layer is made of a metal film material with reduction property. Compared with the prior art, the thinned energy storing device has the advantages that the process is more simplified, the manufactured thinned energy storing device has no internal pressure and high negative material activity, the electric capacity and the unit area capacity of the thinned energy storing device are improved, and besides, the electrodes and the isolation layer are positioned at the same axis, so that the connection with an energy dissipation device is facilitated, and the energy conversion efficiency is improved.

The invention discloses a method for preparing a transparent conducting film and a transparent heterojunction on a flexible substrate, which comprises the following steps: an amorphous film made of n-TCO and p-TCO materials is deposited on the flexible substrate within the temperature range of room temperature to substrate softening temperature through adopting vacuum methods, such as a pulsed laser deposition method, a sputtering method, and the like and a non-vacuum filming preparation method, such as a chemical solution layer, and the like, or a P-TCO film and an n-TCO film are deposited in sequence to prepare the transparent p-n junction. The method is characterized in that through in-situ or ectopic laser annealing, the amorphous film made of n-TCO and p-TCO materials is caused to crystallize or all layers of films of the transparent p-n junction can be caused to crystallize through the laser annealing. The crystallization and the better photoelectric property of the n-TCO film, the P-TCO film and the transparent p-n junction prepared on the flexible substrate can be ensured through making use of the laser annealing technique. The defects that the flexible substrate is not resistant of high-temperature treatment and the TCO film and the heterojunction on various monocrystal and hard substrates can not be curled and folded and is heavy in quantity, and the like can be overcome. And the new use of various TCO films and the transparent p-n junction can be developed.

A flexible LCD comprises an upper flexible plastic substrate, a lower flexible plastic substrate, a frame gum, an upper ITO (Indium Tin Oxides) electrode, a lower ITO electrode, an upper PI oriented film, a lower PI oriented film, a plurality of spacing balls and liquid crystals, wherein the upper flexible plastic substrate is parallelly arranged at the relative position above the lower flexible plastic substrate; the frame gum is bonded between the upper flexible plastic substrate and the lower flexible plastic substrate to form a sealed F-LCD box; the upper ITO electrode is carved on the lower surface of the upper flexible plastic substrate; the lower ITO electrode is carved on the upper surface of the lower flexible plastic substrate; the upper PI oriented film is coated on the upper ITO electrode; the lower PI oriented film is coated on the lower ITO electrode; the spacing balls are mounted between the upper flexible plastic substrate and the lower flexible plastic substrate; and the liquid crystals are filled in the F-LCD box. The flexible LCD has the advantages of smaller thickness, bendability, pressure resistance, low probability of breakage, shock resistance and the like.

The invention provides a photodetector and a manufacturing method thereof, wherein a photodetector with a vertical structure is manufactured by sequentially arranging a first electrode, a hole transport layer, a photosensitive active layer containing perovskite, an electron transport layer and a second electrode on a substrate from bottom to top. A PN junction is formed between the perovskite in the photosensitive active layer and the electron transport layer, thus the built-in electric field is constructed, thereby separating holes and electrons generated by the photosensitive active layer from each other only by applying a bias voltage of 0 V between the first electrode and the second electrode, The low driving voltage of the photodetector is realized, which is beneficial to the reduction of the power consumption of the product, and the hole transport layer and the electron transport layer are arranged above and below the photosensitive active layer respectively. The vertical arrangement mode can accelerate the transmission of holes and electrons, thereby increasing the photocurrent of the photodetector and further improving the photoresponsivity of the device. At that same time,each layer of the photodetector can be a flexible material to meet the requirements of portability and versatility.

The invention relates to a woven-structure stretchable fabric circuit board. The circuit board comprises an elastic woven fabric matrix woven with conductive fibers by virtue of a textile processing technique, and a plurality of conducting channels are formed in a woven fabric and are used for connecting multiple electronic components so as to generate signal transmission among the electronic components. The invention further relates to wearable equipment utilizing the woven-structure stretchable fabric circuit board. The woven-structure stretchable fabric circuit board can cling to the skin and has stable performance.

The invention provides a preparation method of an electrochromic liquid crystal thin film material. The method comprises the following steps: 1-10% of viologen liquid crystal compounds with electrochromic performance, 40-80% of nematic liquid crystal, 5-30% of a UV polymerisable monomer, 0.1-10% of spacer particles, and 0.1-10% of a photoinitiator are mixed, in order to obtain a photo initiating mixture; the mixture is poured into two layers of polyester films coated with conducting layers, a roll shaft is used for extruding, polymerization is carried out with ultraviolet light irradiation, in order to obtain the flexible electrochromic liquid crystal thin film material. The method can be used for large-area production, and has the advantages of simple technology, stabilization, flexibility, and low cost.

The invention provides a pressure sensing data glove based on machine vision and a gripping process judgment method thereof. The pressure sensing data glove based on the machine vision comprises a color camera module, a worktable panel, a PC and a data glove body. The color camera module is arranged above the worktable panel and connected with the PC through a video USB transmission line. The data glove body is arranged between the color camera module and the worktable panel and connected with the PC through a high-speed USB transmission line. The pressure sensing data glove based on the machine vision more accurately conducts tracking and judgment and is low in price, convenient to carry and convenient to popularize in a user group.

The invention discloses a flexible wearable air pressure sensor and a preparation method and application thereof. The flexible wearable air pressure sensor comprises a flexible top layer provided witha first surface and a second surface opposite to the first surface, wherein the second surface is provided with a microstructure, which can make a sensitive distinguishable response according to thechange of the borne pressure and is electrically connected with a power supply; a flexible bottom layer which is provided with a third surface, wherein the at least the third surface is conductive andis in electrical contact with the microstructure; and a sealing gas chamber formed between the flexible top layer and the flexible bottom layer, wherein at least partial chamber wall of the sealing gas chamber is formed by at least partial area of the second surface and at least partial area of the third surface, and the air pressure in the sealing air chamber reaches the set vacuum degree. The flexible wearable air pressure sensor has the flexible wearable characteristics, and the testable air pressure ranges from 20 kPa to 101 kPa. The preparation process is simple, and the cost is low.

The invention provides a LOGO luminous device and a refrigerator. The LOGO luminous device comprises a shell panel and an electroluminescence sheet, wherein a plurality of holes are formed in the shell panel and are arrayed to form a LOGO; the electroluminescence sheet is mounted at the back of the shell panel, is positioned at the LOGO and is used for enabling the LOGO to emit light. Due to the technical scheme, the LOGO luminous device enables the LOGO of the refrigerator to achieve a luminous effect, and the integrality of the LOGO and a refrigerator panel is guaranteed. Therefore, the attractiveness of the refrigerator is improved; meanwhile, the problem of heating of a LOGO light source is solved, and the potential fire hazard is avoided.

The invention particularly discloses a composite negative electrode material, a negative electrode, a lithium ion battery and a preparation method. The preparation method comprises the following steps: carbonizing foam resin of melamine or derivatives thereof to obtain a matrix, and dipping the matrix into molten lithium to obtain the composite negative electrode material. The nitrogen-containingfunctional groups are uniformly distributed in the foam carbon matrix provided by the invention, so that the foam carbon matrix has relatively strong binding energy to lithium, lithium ion flow can behomogenized in a lithium ion deposition process, uniform deposition of metal lithium is facilitated, and formation of nucleation sites for lithium dendritic crystal growth is avoided; meanwhile, thefoam carbon matrix of the three-dimensional network structure further has a high specific surface area, the local current density can be reduced, the deposition uniformity of metal lithium in the matrix is further improved, the hollow structure of the foam carbon matrix serves as an ion transmission channel, carriers are provided in the lithium deposition process, and aggregation of lithium ions / electrons is dispersed. The continuous growth of the lithium dendrites is favorably relieved, so that the effects of inhibiting the lithium dendrites and buffering the volume expansion are achieved.

The invention discloses a flexible composite silicate insulation board material and a preparation method thereof, belonging to the technical field of insulation materials. The flexible composite silicate insulation board material of the present invention is mainly made of volcanic rock fiber and sepiolite, and is compounded by adding silicon dioxide, binder, flexible agent and surfactant. The composite silicate insulation board material prepared by the invention does not contain asbestos and does not pollute the environment; it is bendable and convenient for construction; it has light weight, good flexibility, high rebound rate, good thermal stability, low thermal conductivity, and good thermal insulation performance Etc. It is suitable for heat preservation of equipment, containers, pipelines and other products in chemical, petroleum, thermal power and other enterprises and institutions. The method of the invention has the advantages of low cost, simple operation, easy large-scale industrialization and the like.

The invention provides a laser radar which comprises an optical fiber collimation structure, a laser emission structure, a laser receiving structure and a driving assembly. The optical fiber collimation structure comprises a laser source used for emitting laser; an optical fiber having flexibility and used for transmitting laser light; a laser coupling lens, two ends of which are respectively connected with the laser source and the optical fiber; and a collimating lens, which is arranged at the light outlet end of the optical fiber, and the light outlet end of the optical fiber and the collimating lens are coaxially arranged. According to the laser radar of the invention, laser emitted by the optical fiber is in a circular spot shape, the divergence angle is small, the laser is more easilycollimated by the collimating lens, the laser collimating structure is simplified, and the optical fiber is flexible and bendable, so that the laser source and the collimating lens are not required to be coaxially arranged, the space inside the laser radar can be fully utilized, and a good laser collimating effect can be achieved in a limited space.

The invention discloses a Fe-doped ZnO nano-film as well as a preparation method and application thereof. A Fe-doped ZnO nano-material is successfully prepared on a GPET transparent conductive flexible substrate through a hydrothermal method, the photocatalytic performance of the Fe-doped ZnO nano-material is researched. Zinc nitrate hexahydrate, hexamethylenetetramine and ferric nitrate nonahydrate are taken as main reactants, firstly ion sputtering is conducted on the surface of a flexible substrate GPET to obtain a very thin ZnO seed crystal layer; then Fe-doped ZnO precursor solutions withdifferent concentrations are prepared; and the flexible substrate is vertically put in a reaction solution, and a Fe-doped ZnO nano structure is grown by a hydrothermal method to obtain the Fe-ZnO / GPET nano composite material which can be used as a photocatalyst. The product obtained through the hydrothermal reaction has a special regular hexagonal nanorod-like structure, has a strong degradationeffect on a methylene blue solution, has a wide research prospect in the fields of environmental governance and the like, and is suitable for large-area production and application.

The invention discloses a thin-film lithium battery, which comprises a protective shell and a substrate, an anode, a cathode and electrolyte are arranged in the protective shell, the substrate is a flexible material substrate, and a titanium dioxide interface layer is sputtered on the flexible material substrate. Compared with the prior art, the thin-film lithium battery has the advantages that: because flexible material is used as the substrate material, besides the advantages of the thin-film batteries, the battery also has the characteristic of flexibility, and consequently, the battery can be used not only in miniature devices but also in conventional products. Meanwhile, the thin-film lithium battery avoids the problems of leakage, low active substance proportion and the like in conventional lithium ion batteries, and the reliability of the battery is greatly enhanced. The titanium dioxide interface layer added in the thin-film lithium ion battery can effectively decrease the stress between the interface pattern layers of the battery, so the electrical properties of the battery can be better exerted.

The invention provides digital color ink-jet ink provided with 3D lines and suitable for shoe upper printing. The digital color ink-jet ink is prepared from, by weight, an oligomer of a polymer or a copolymer containing a carboxylic acid group (COOH) 2%-25%, a monomer 35%-65%, a pigment 2%-10%, a photosensitive initiator 2%-10%, a solvent 2%-35%, and an additive containing a pigment dispersant or a property adjustment agent 5%-15%. The digital color ink-jet ink is acid-resistant, alkali-resistant and environmentally friendly, can be jetted to form stereoscopic line patterns within several seconds, the pigment color ink-jet ink can be rapidly cured by absorbing ultraviolet light and has good adhesive power, the usage rate of organic solvents is reduced by replacing the organic solvents permeating into a base material for adhesion in a photocuring adhesion mode, accordingly the harm of the organic solvents to the environment and human bodies is reduced, and the digital color ink-jet ink can be jetted on common shoe upper fabrics and can be also jetted on different materials such as glass, leather, plastic materials and advertising consumables, and stereoscopic patterns have the advantages of being foldable, twistable and deformation-free.

The invention discloses a flexible display panel and a production method, belonging to the photoelectric devices. The production method comprises: providing a first and a second glass baseboards, forming a first etching end layer and an active layer on the inner surface of the first glass baseboard, forming a second etching end layer and a cover layer on the inner surface of the second glass baseboard, forming a display medium between the first and the second glass baseboards, forming a first protective layer on the outer surface of the second glass baseboard, processing a first etching process to expose the first etching end layer, forming a first flexible substrate on the exposed first etching end layer, forming a second protective layer on the first flexible substrate, removing the first protective layer, processing a second etching process to expose the second etching end layer, forming a second flexible substrate on the exposed second etching end layer, and removing the second protective layer.

The invention provides a logic device and a manufacturing method thereof. The logic device comprises a substrate, a heavy metal layer, a ferromagnetic layer, a multiferroic layer and an oxide layer, wherein the heavy metal layer comprises a cross structure of which the outer side is provided with a corresponding electrode; and the resistance of the heavy metal layer is changed by changing the direction of an electric field applied between the oxide layer and the heavy metal layer. Specifically, the substrate is a flexible substrate, and has the advantages of being resistant to extrusion, bendable and the like; and the control of the electric field on a critical current of spin-orbit coupling is realized at the room temperature through a multiferroic material, so that a spin-orbit coupling signal is effectively controlled. The effect of the logic device is changed by using different oxidation state interfaces (oxide layers), and the control of an input voltage on the critical current of the spin-orbit coupling makes a difference, so that an N-type or P-type logic operation function can be achieved; the light, portable and low-power logic device can be obtained; and logic devices can also be combined to obtain a logic assembly integrating N-type and P-type logic functions.

The invention belongs to the technical field of sensors, and relates to a self-repairing flexible strain sensor based on electrospun fibers and a preparation method thereof. The self-repairing flexible strain sensor comprises a self-repairing polydimethylsiloxane substrate, a silver nanowire network conductive sensitive layer, a wire and a self-repairing polydimethylsiloxane packaging layer. The flexible strain sensor is prepared layer by layer, the production process is simple, the silver nanowire conductive network is prepared by adopting an electrostatic spinning method, the specific surface area is large, the three-dimensional space structure is adopted, the porosity is low, the continuity is good, and the prepared sensor has the characteristics of very high tensile property and sensitivity, simple structure and bending property, is convenient to carry, and is good in the self-repairing performance and the pressure resistance, and the coating can adapt to various working environments.

The invention discloses an OLED light detecting device. The device comprises a shell body, a light emitting device, a placement unit, a light collection device, a blood pressure calculating device, a heart rate calculating device, an output device and a power module, wherein the placement unit is used for placing body surface skin of the detected person; the light emitting device comprises an OLED light source used for emitting irradiated light with a plurality of different wavelength range; the light collection device collects reflected light generated after the light emitting device irradiate s the body surface skin; the blood pressure calculating device calculates blood pressure value according to reflected light signal, the heart rate calculating device calculates heart rate according to the reflected light signal, the blood pressure value and the heart rate value are output by the output device. The OLED light detecting device has the advantages of wide wavelength range, accurate measurement, low energy consumption, low radiation heat, light mass and simple structure, is convenient to carry, can accurately measure physiological features of blood pressure, heart rate, pulse and the like, and also has the functions of being convenient to carry, self-power, data transmission and the like.

The invention discloses a flexible stone heat preservation and decoration integrated board. The flexible stone heat preservation and decoration integrated board comprises a heat preservation layer, wherein a flexible stone layer is arranged on one side of the heat preservation layer, and the heat preservation layer is connected with the flexible stone layer through an adhesive. According to the flexible stone heat preservation and decoration integrated board, flexible stone and a heat preservation board are bonded and compounded to achieve the purpose of integrating heat preservation and decoration functions; and compared with an existing heat preservation and decoration integrated board, the flexible stone heat preservation and decoration integrated board has the advantages of light weight, safety, convenient installation and the like, and a production method of the flexible stone heat preservation and decoration integrated board is simple.

The invention belongs to the field of signal transmission cables, and particularly relates to a high-temperature-resistant multipath signal cable for a sensor. The high-temperature-resistant multipath signal cable comprises transmission wires (1), a ceramic insulating layer (2), an insulating layer (4) and a stainless steel sheath (5). The ceramic insulating layer (2) covers on the transmission wires (1). The insulating layer covers on the ceramic insulating layer (2). The stainless steel sheath (5) is fixedly disposed outside the insulating layer (4). A buffer layer (3) is provided between the ceramic insulating layer (2) and the insulating layer (4). The transmission wires (1) are pure nickel wires or silver alloy wires. The high-temperature-resistant multipath signal cable for a sensor is composed of the multiple transmission wires, the ceramic insulating layer, the magnesium-oxide insulating layer and the stainless steel sheath, and has the characteristics of small size, high temperature resistance, flexibility, hot-end wire short circuit prevention, etc. Multipath signals detected are transmitted from a hot end to a cold end via the high-temperature-resistant multipath signal cable.

The invention discloses an ultrahigh pressure armored thermocouple comprising an armored thermocouple and a lead device. The ultrahigh pressure armored thermocouple is characterized by also comprising a compensation lead, a sealing tube, a fixed device and an adjusting device, wherein one end of the armored thermocouple is connected with one end of the compensation lead through the lead device; the sealing tube is sleeved on the armored thermocouple; and the fixed device and the adjusting device are sleeved on the sealing tube. The invention has the characteristics of high voltage resistance, high measuring precision, sensitive reaction, economy and practicability, and can be applicable to ultrahigh pressure (the pressure is more than 200MPa-280MPa) places, such as the fields of oil exploration, chemical measurement, scientific experiments and the like.

The strain-type flexible respiration transducer for electronic fabric includes transducer sensing element in the form of fabric comprising elastic conducting fiber and insulating fiber, and the transducer sensing element has lead or joint for electric connection. The clothing with the respiration transducer for monitoring the respiration of the human body is one maillot with at least one of this flexible respiration transducer in the chest part. The flexible respiration transducer and the clothing with the flexible respiration transducer may be bent, folded, kneaded and washed, are suitable for monitoring the respiration information in the worn state, and have simple structure, low cost and convenient use.

The invention discloses a method for preparing a metal-nitrogen molecule / graphene / carbon nanofiber composite material through electrostatic spinning and application of the metal-nitrogen molecule / graphene / carbon nanofiber composite material, a precursor containing metal and nitrogen elements, graphene and a high-molecular polymer are prepared into a spinning solution for electrostatic spinning, and a metal-nitrogen molecule / graphene / polymer composite nanofiber membrane is obtained; then the obtained composite nanofiber membrane is sequentially subjected to pre-oxidation and carbonization treatment, and the metal-nitrogen molecule / graphene / carbon nanofiber composite material with the characteristics of being large in specific surface area, rich in micropores and mesopores, uniform in morphology and the like is obtained and can be used as a bifunctional catalyst for oxygen reduction and carbon dioxide reduction; the method has the characteristics of simple preparation process, low cost, easiness in recovery, excellent performance and the like.

The invention discloses illumination equipment for an endoscope. The illumination equipment is installed on the endoscope and comprises an illumination body and a connector; the illumination body is composed of one or more OLED; and the connector is detachably connected with the illumination body. According to the illumination equipment, by using the OLED as an illumination light source, the OLED light source is a surface light source with large illumination cover area, uniform luminance and adjustable color temperature; and in addition, the illumination equipment also has the functions of self power supply, data transmission and the like. The illumination equipment can meet the requirement of the endoscope on the light source, can also be applied to multiple environments including indoor environments and outdoor environments and can also supply multiple uses.

The invention discloses a novel landscaping wall with an efficient ecological function. The novel landscaping wall comprises a wall body perpendicular to the ground, an ecological area attached to theouter side of the wall body and planting soil laid on the top of the wall body; herbaceous plants are planted on the planting soil; the ecological area is divided into multiple circular or polygonalecological boxes by wood boards, the inner portion of each ecological box is divided into multiple cavities of different space shapes by wood boards, and each cavity is filled with a filling materialto form a porous cavity; the filling materials in every two adjacent cavities are different; and the filling materials are any one of timber piles, tiles, branches, bamboo poles, perforated bricks andsaw dust. The novel landscaping wall combines ecology, ecological engineering sciences, landscape architecture and other interdisciplinary technologies, and has the functions of improving the biodiversity, purifying air, purifying rainwater, adjusting partial little climate and improving landscaping.