446results about How to "Barrier entry" patented technology

The invention provides an antibacterial gauze mask filter. The antibacterial gauze mask filter comprises a fiber surface layer, a base material non-woven fabric layer, an electrostatic spinning fiber membrane layer and a fiber lining which are sequentially connected, wherein the electrostatic spinning fiber membrane layer consists of polymer material and chitosan. With the adoption of small pore diameter and high porosity of the electrostatic spinning fiber membrane, the antibacterial gauze mask filter can effectively prevent PM2.5 from entering the body; meanwhile, due to the chitosan in the electrostatic spinning fiber membrane layer, the antibacterial gauze mask filter has bacteria resistance and bacteriostasis. In addition, the invention also provides a preparation method of the antibacterial gauze mask filter and an antibacterial gauze mask.

Disclosed is a graphene oxide modified water-based epoxy anticorrosive paint. The graphene oxide modified water-based epoxy anticorrosive paint is composed of paint modifying single-layer graphene oxide, water-based epoxy resin, rust-resisting pigment, filling, assistant water-based epoxy resin compound formula and water-based epoxy resin curing agent, wherein the single-layer graphene oxide is of a flake-shaped structure, which is 0.8-1.2 nm thick, and the inside of the layer is a hexagonal structure formed by carbon atom sp2 hybrid orbits. The graphene oxide modified water-based epoxy anticorrosive paint can significantly improve the shock-resisting performance and the anticorrosive performance, maintain optimal coating adhesion and reach up to a hardness level of 4H, thereby meeting the requirements on coating mechanical properties.

The invention discloses a porous silicon negative electrode material covered by a composite carbon layer and a preparing method thereof. On the basis of porous silicon after dealloying, the first covering of loose carbon and overall covering of exterior high-density carbon are achieved by covering a compounded carbon layer in which graphene and the high-density carbon are combined or low-density carbon and the high-density carbon are combined, interior low-density carbon can improve interior electrical conductivity of a whole micron structure, and the exterior high-density carbon can well prevent an electrolyte from penetrating through the carbon layer and entering the interior of micron particles, accordingly well solve the problem that a silicon material reacts with a battery liquid, ensure a high coulombic efficiency, and accordingly well ensure cycle performance of a battery. According to the porous silicon negative electrode material covered by the composite carbon layer and the preparing method thereof, a core innovation point is double carbon layer covering, and the silicon / carbon / carbon composite negative electrode material is prepared by combining the low-density carbon and the high-density carbon.

The invention discloses an antirust and a preparation method and an application thereof. The antirust comprises corrosion inhibitor, film-forming agent, dispersant, synergist with active groups on the surface, and solvent; the weight ratio of the corrosion inhibitor, the film-forming agent, the dispersant and the synergist with the active groups on the surface is 1:0.005 to 0.5:0.002 to 0.4:0.001 to 0.3, and the weight ratio of the solvent to the corrosion inhibitor is 100:0.01 to 50. Modifier is added into the antirust disclosed by the invention to carry out surface modification treatment on the synergist, so that the surface of the synergist is grafted with the active functional groups, such as -OH and -NH3, consequently, the binding force between the antirust and a base material is enhanced, the antirust time is prolonged, and thereby the antirust effect is enhanced. The antirust disclosed by the invention is basically applicable to the surfaces of various iron-based, aluminium-based and copper-based materials, moreover, brushed, sprayed or immersed base materials have excellent corrosion resistance, durability and high adhesive force; the process of the preparation method is mature, the production cost is low, the production process is green and harmless, and therefore the preparation method is suitable for popularization and application on a large scale.

The invention relates to a packaging structure of an OLED. The structure comprises a substrate of the OLED. One side of the substrate is provided with an anode of the OLED, an organic layer and a cathode. The outboard of the cathode is at least provided with a packaging layer. The packaging layer is a multilayer composite membrane structure which is formed by alternative deposition of two inorganic insulating materials through an atomic layer deposition system. The packaging structure of the OLED in the invention has a low deposition temperature. The organic layer of a luminescent device can not be damaged. Other organic film formation equipment is not needed. Equipment investment costs and land occupation areas can be saved. The inorganic film layer structure alternatively prepared by using an atomic layer deposition method is compact. Pinholes are less. Water and oxygen can be effectively avoided to penetrate into a device. A protection layer is processed on the packaging layer so as to effectively protect the packaging layer and obstruct the water and the oxygen.

The invention is a substrate for a flexible photoelectronic device, comprising flexible substrate, and characterized by also comprising organic buffer layer spin-coated on the substrate surface and conductive film, where the conductive film is deposited on the surface of the organic buffer layer, and the material of the organic buffer layer is organic photo-curing agent. And it solves the problem of bad adhesion between the deposited film and the substrate caused by low surface energy of the flexible substrate and improves the obstruction performance of the substrate to water-dissolved oxygen, and besides play a good role of smoothening the substrate surface; and the preparing method is simple, effective and able to largely reduce substrate production cost and process difficulty.

The invention belongs to the technical field of mask filter elements and particularly relates to a traditional Chinese medicine protective mask filter element capable of filtering PM2.5, which comprises three layers of structures, including a spunbond non-woven fabric layer, an activated carbon fiber non-woven fabric layer and a lining cotton textile layer from outside to inside in sequence, wherein all the layers are adhered to one another through hot melt adhesive; non-setting adhesive is arranged at the periphery of the outer side of the lining cotton textile layer; the activated carbon fiber non-woven fabric layer is prepared through the method that a traditional Chinese medicine mixed extracting solution is sprayed onto an activated carbon fiber non-woven fabric. The traditional Chinese medicine protective mask filter element capable of filtering PM2.5 is simple in structure, low in cost and simple to manufacture, has high filtration and absorption effects, adopts a traditional Chinese medicine nursing leaching solution, and can moisten and protect lung and treat respiratory diseases; besides, the hot melt adhesive is applied to connecting of the mask filter element and a mask main body for the first time, the operation is simple and convenient, the efficiency is improved and resources are saved.

A dual-glass photovoltaic cell module, comprising: a body (1), said body (1) comprising a first glass layer (11), a first encapsulation layer (12), a cell group layer (13), a second encapsulation layer (14), and a second glass layer (15) arranged in a sequential stack, the outer edges of the first glass layer (11) and the second glass layer (15) extending past the outer edges of the cell group layer (13); a layer of reflective coating being disposed on the second glass layer (15); an end sealing block, said end sealing block being arranged between the first glass layer (11) and the second glass layer (15) at the outer periphery of the first encapsulation layer (12), the cell group layer (13), and the second encapsulation layer (14); a rim (6) encapsulating the outer perimeter of the body (1), said rim (6) having a notch (60); and a junction box (4) being disposed at the notch (60).

The present invention discloses a coating with characteristics of a ceramic color and quartz sand texture, a preparation method and an application thereof, wherein the coating is prepared from the following components, by weight, 18-25% of an acrylate emulsion, 60-70% of color quartz sand and marble sand, 0.5-2% of a film forming additive, 0.1-1% of a thickener, 0.01-0.1% of a wetting agent, 0.05-0.3% of a dispersing agent, 0.5-2% of an additive, and the balance of deionized water. The coating of the present invention does not provide harm for human body and environment, and belongs to a green environment protection product. According to the present invention, based on the traditional texture coating, a high quality aqueous pure acrylic resin is adopted as a base material, and color quartz sand and marble sand are adopted to replace color paste to carry out color adjustment, such that the resulting coating film has characteristics of good flexibility, good bond strength, high hardness, ceramic-like color, nature, simplicity, and good color retention.

The invention provides a non-woven composite material for a filter respirator.The non-woven composite material comprises a first non-woven fabric layer, a second non-woven fabric layer and a third non-woven fabric layer sequentially from top to bottom, wherein a first antibacterial layer and a polytetrafluoroethylene micro-porous membrane layer are sequentially arranged between the first non-woven fabric layer and the second non-woven fabric layer, a second antibacterial layer and a detachable filter layer are sequentially arranged between the second non-woven fabric layer and the third non-woven fabric layer, the first antibacterial layer is a porous nano titanium dioxide silver-loaded antibacterial agent coating with the particle size of l5nm-50 nm, and the second antibacterial layer is a biological polypeptide antibacterial agent layer.The non-woven composite material for the filter respirator can effectively filter very fine particles and meanwhile has high bacterium and virus resistance performance and good air permeability and adsorbability.

The invention discloses a water glass transparent reflecting heat-insulation coating material and a preparation method thereof, wherein the water glass transparent reflecting heat-insulation coating material comprises, by mass, 35-50% of an aqueous acrylic emulsion, 5-15% of an aqueous silica sol, 5-15% of an aqueous polyurethane, 5-10% of an aqueous nanometer antimony tin oxide heat-insulation slurry, 5-10% of an aqueous nanometer lanthanum hexaboride heat-insulation slurry, 5-10% of an aqueous nanometer vanadium dioxide heat-insulation slurry, 0.1-0.5% of an anti-foaming agent, 0.1-0.3% of a wetting dispersing agent, 0.2-0.5% of a leveling agent, 0.2-1% of a thickening agent, 0.1-0.2% of an anti-mildew antibacterial agent, 0.5-2.5% of a film forming auxiliary agent, 0.5-2% of a silane coupling agent, and 5-25% of deionized water.

The invention relates to the field of soil restoration, in particular to a composite curing agent for restoring soil polluted by heavy metals and an application method thereof. The composite curing agent is composed of curing agent powder and curing agent liquid. The curing agent powder comprises, by weight parts, 2-5 parts of cement, 1-2 parts of activated steel slag powder, 2-4 parts of quicklime and 1-2 parts of phosphate, and the curing agent liquid is water glass. By adoption of the composite curing agent for restoring soil polluted by the heavy metals, heavy metal pollutants in the soil can be solidified and stabilized durably and effectively, and the composite curing agent has the advantages of being good in restoration effect and high in stability. The content of effective state heavy metals in the restored soil is lower than the national standard, and the soil has the advantages of being not subjected to cracking easily and secondary argillization.

The invention discloses a camera module set support and a camera module set with the same. The camera module set support comprises a support body and a side wall portion; a through hole which passes through the support body along the thickness direction of the support body is formed in the support body; the side wall portion is arranged on the support body and is ring-shaped and surrounds the through hole; an inner mounting space and an external mounting space are defined between the support body and the side wall portion, wherein the inner mounting space is located at the inner side of the side wall part and is communicated with the through hole and is used for mounting an image sensing chip, and the external mounting space is located at the outer side of the side wall portion and is used for mounting an electronic element. The camera module set support of the invention has the inner mounting space and the external mounting space, and the image sensing chip is mounted in the inner mounting space, and the electronic element is mounted in the external mounting space, and therefore, influence on imaging which is caused by a situation in which dust and debris enter an image sensing region of the image sensing chip can be eliminated.

The invention relates to a centrifugation and dynamic adsorption combination oil-water separation device, and belongs to the field of oil pollution treatment. The centrifugation and dynamic adsorptioncombination oil-water separation device mainly comprises a motor, a rotating device, an oil-water separation device, an oriented nanofiber oil conveying pipe and a collection device. According to thecentrifugation and dynamic adsorption combination method, by use of the principle that oil is light and water is heavy and combination of oleophylic and hydrophobic modification of a fiber membrane,efficient oil-water separation of oil-containing sewage is realized under the action of centrifugal force. The oil-containing sewage in an emulsified state is demulsified through a demulsification filter net membrane, and then enters nanofiber oil adsorption cotton which is of a fluffy space structure, is irregularly arrayed and has high oil adsorption rate, with water blocked outside; the oriented nanofiber oil conveying pipe is embedded into the fiber cotton, so that the adsorbed oil dirt can be sucked out in time under the action of the gravity or external suction, and is conveyed into an oil storage barrel, and then the oil adsorption capacity of the nanofiber oil adsorption cotton is recovered. According to the centrifugation and dynamic adsorption combination oil-water separation device disclosed by the invention, oil-containing sewage treatment which has high separation efficiency and separation capacity and can repeatedly use oil is finally realized.

The invention discloses a long-term heat and oxidation aging resistant polypropylene compound prepared in percentage by weight: 52%-89% of polypropylene resin, 10%-40% of inorganic filler, 0.1%-1% of beta nucleating agent, 0.5%-5% of stem grafting assistant, 0.2%-1% of antioxygen and 0.2%-1% of processing agent. A preparation method comprises the following steps of: evenly mixing each component, putting in a twin screw extruder for extrusion, enabling a temperature of the extruder to be 190-210 DEG C, enabling a rotating speed to be 50-400 circle / minute, cooling extrusion objects by using water, conducting sized dicing and obtaining the compound. The compound prepared by the preparation method has an excellent comprehensive mechanical property, has long-term heat and oxidation aging resistant characteristics, cannot pulverize after baking for 3000 hours in a 150-DEG C forced convection oven, and is widely applied to heat and oxidation aging resistant components of household appliances.

This invention discloses an organic photoelectron component with protective layer, including a substrate and an organic photoelectron component, further including a protective layer consisting of n combined layers, wherein n is the integer and is not smaller than 1 and not greater than 100. The combined layer is composed of three modes: an organic material layer / hydrophilic material layer / organic material layer or an organic material layer / hydrophilic material layer or hydrophilic material layer / organic material layer. The position relationship of the combined layers in the protective layer includes: setting at one position or multiple positions of the upper layer, the lower layer, the periphery of the organic photoelectron component; setting between the substrate and the organic photoelectron component or at one side of the substrate. The component is capable of conquering the shortness existed in the current technology and has novel structure; the flatness of the substrate surface is improved. The bonding property of the protective layer solves the problem of connection degree between components and effectively prevents the water and oxygen entering into the inner part of the component.

The invention discloses a new energy battery explosion-proof valve, which comprises a main valve body, a seal ring, a piece of explosion-proof membrane paper, a membrane paper protection plate and a protective cover, wherein a membrane paper mounting platform is arranged at one side of the main valve body; the explosion-proof membrane paper is welded on the membrane paper mounting platform in a hot melting manner; an annular bump is arranged on the outer circumference of the membrane paper mounting platform; the membrane paper protection plate is arranged in the annular bump; a protective bottom plate is arranged at the lower part of the membrane paper mounting platform; the protective bottom plate is provided with an explosion-proof pointed cone toward the explosion-proof membrane paper; the protective cover is arranged out of the protective bottom plate; the seal ring is arranged between the outer surface of the annular bump and the main valve body; the main valve body is movably connected with a battery shell through the annular bump; and the main valve body and a battery shell are sealed through the seal ring. The new energy battery explosion-proof valve has the advantages of being simple in structure, low in cost, dustproof, waterproof, explosion-proof and breathable, and can balance internal pressure and external pressure of a sealed accommodating cavity of a battery.

The invention relates to the technical field of medical appliances, in particular to a manufacturing method of a safe transfusion system based on a bubbling point pressure principle. The method of the invention is based on the bubbling point pressure principle, a liquor filtering medium which can block air from crossing a liquor filtering membrane to enter the pipeline of the transfusion system is selected, and the safety performance of automatically stopping the transfusion of the liquor by using the characteristics of the liquor filtering medium to prevent the air from entering the pipeline when the transfusion system is empty is achieved. On the basis, an exhaust tube penetrating into the inner chamber of a drop bucket is arranged in the drop bucket, and the exhaust tube is mainly characterized in that a filtering medium which exhausts air but does not discharge the liquor is arranged at the penetrating end of the exhaust tube, so that the transfusion system combined with the bubbling point principle can safely realize automatic exhaust truly, and achieve the effects of efficient and safe automatic exhaust and air separation.

The invention discloses permeable concrete and a preparation technology and laying technology thereof. The concrete is characterized by comprising a base layer and a surface layer protection layer arranged on the base layer, the base layer is prepared from, by weight, 140-160 parts of water, 360-390 parts of cement, 20-30 parts of fly ash, 1,600-1,900 parts of gravel, 5-10 parts of white earth, 1-2 parts of polyacrylonitrile-based carbon fiber, 1-2 parts of kaolin and 6-12 parts of additive special for the permeable concrete. The permeable concrete comprises the base layer and the surface layer protection layer, the base layer has the good structural strength, and by means of the surface layer protection layer, on one hand, the wear-resisting property of materials can be enhanced; on the other hand, partial impurities can be blocked to enter the base layer, and the phenomenon that cleaning is difficult due to the fact that holes of the base layer are blocked is reduced; the fly ash added in the base layer can enhance the structural strength of the base layer; by adding the white earth, on one hand, partial matter can be decomposed, and on the other hand, the strength of the base layer is enhanced; the polyacrylonitrile-based carbon fiber can also enhance the structural strength of the base layer.

The invention discloses a waterborne inorganic heat-insulating, waterproof and environment-friendly coating for buildings and a preparation method of the coating, and relates to the technical field of building materials. The invention provides the waterborne inorganic heat-insulating, waterproof and environment-friendly coating for the buildings, which are good in heat-insulating and heat-preserving and waterproof performances, strong in bonding force and resistant to wear. The environment-friendly coating is prepared from a binding agent, a film-forming additive, a heat-reflecting filler, a heat-insulating filler and water; the preparation method disclosed by the invention comprises the following steps: weighing raw materials; adding a dispersing agent into water and uniformly stirring; adding a silicate solution, an alkyl-modified silicate solution, a silicone acrylic emulsion, a silane coupling agent and a leveling agent and uniformly stirring; adding silica aerogel, kaolin, a heat-insulting filler and an inorganic pigment and uniformly stirring; filtering to obtain waterborne inorganic heat-insulating, waterproof and environment-friendly coating for the buildings. The coating disclosed by the invention has the advantages of heat insulation, heat preservation, water resistance, good binding force with cement, tiles and metals, scratch resistance, fastness, greenness, environmental protection and the like.

The invention discloses an intelligent door, window and sunshade integrated device. The device comprises an intelligent control system, a window frame system and a sunshade shutter system, wherein the intelligent control system comprises an optical radiation intensity sensor (1), a signal receiving control component (2) and the like; the window frame system comprises a frame (9); a heat insulation hollow vitreous body (7) is arranged in the frame (9); the sunshade shutter system comprises a blind (6) which consists of a dentiform scroll component (5) and aluminum foil leaves (61); the dentiform scroll component (5) is used for controlling the rolling of the blind (6) and an overturning angle of the aluminum foil leaves (61); the blind (6) and the dentiform scroll component (5) are arranged in the cavity of the heat insulation hollow vitreous body (7); and the cavity of the heat insulation hollow vitreous body (7) is full of inert gas (8). The device can not only automatically adjust the blind according to the intensity of light rays, but also has very good functions of sun shading and heat shielding.

The invention disclosed a safe evacuation system for an airflow closed channel on side of a building element. The safe evacuation system comprises a first static pressure box, a first nozzle, a second nozzle, a second static pressure box, a third nozzle, a fourth nozzle, a ventilation pipe and a fan and is characterized in that the first nozzle and the second nozzle are connected with the first static pressure box (1). The third nozzle and the fourth nozzle are connected with the second static pressure box (4). The first static pressure box and the second static pressure box are connected with the ventilation pipe. The ventilation pipe is connected with the fan. Due to specific design of the safe evacuation system for the airflow closed channel on side of the building element, four groupsof collision airflows are generated, and then the piston flow can be formed by the collision among airflows. Therefore, the smoke in the special area can be expelled, and then a clean and safe channel is generated in the building component, so that a clean and safe evacuation path is created for escape.

The invention discloses a horizontal crusher belongs to the crusher technical fields, including a crushing chamber formed of the closing end plate and the lateral plate, the top of the chamber sets a feed inlet, while the inner of the chamber sets a rotor which is fixed on a chief axis horizontal crossing two end plate, the chief axis is fixed on the frame through the bearing, the lower of the chamber sets a discharge door, the space between the chamber and the discharge door is separated with the cribellum with many holes, the cribellum is fixed outside of the rotor half encompassing, and at least on side of the end plate which is in the excircle orthogonal projection of the rotor is fitted with a secondary air inlet. Said invention can destroy the circulating layer in the crushing chamber, which improves the efficiency of the crusher.

This invention discloses an organic photoelectron component with composite protective layer, including a substrate, an organic photoelectron component and a composite protective layer consisting of n combined layers, wherein n is the integer and is not smaller than 1 and not greater than 100. The combined layer is composed of three modes: an inorganic material layer / organic material layer / inorganic material layer or an inorganic material layer / organic material layer or organic material layer / inorganic material layer. The position relationship of the combined layers in the protective layer includes: setting at one position or multiple positions of the upper layer, the lower layer, the periphery of the organic photoelectron component; setting between the substrate and the organic photoelectron component or at one side of the substrate. This component improves the property of the organic photoelectron component, greatly reduces the cost of the organic photoelectron component, and reduces the technical command and cost for the industrialization of the organic photoelectron component.

The invention discloses a power equipment box with fireproofing and cooling functions. Outer holes are formed in the side surfaces of a box body and a base; inner holes which penetrate through the box body and the base are arranged in the inner sides of the outer holes respectively; a cover plate is in pin connection with the tops of the inner sides of the outer holes; a connection block is arranged at the outer side of the bottom of the cover plate and is hinged with one side of a pull rod; an alarm lamp is arranged at the top of the outer side of the box body; a smoke detector and a controller are arranged at the internal top end of the box body separately; a fan room is arranged in the base; and a first motor, the alarm lamp and a second motor are electrically connected with the controller. The equipment box is capable of controlling the cover plate to close and block the inner holes through the pull rod in a fire, so that air is prevented from entering the box body to achieve the target of controlling the fire; and through coordination of the outer holes and the inner holes, the cover plate can completely block holes of the inner holes when completely covering, so that the sealing effect is better.

The invention discloses a sound insulation ventilating window. The sound insulation ventilating window comprises an external window (2) with an air inlet (1), an internal window (4) with an air outlet (3), and a muffling cavity body (5) which is positioned between the internal window (4) and the external window (2), and connected with the external window (2) and the internal window (4); louver muffling sheets (6) controlled by a motor are suspended inside the muffling cavity body (5); and the louver muffling sheets (6) are rotated or gathered under the action of the motor. The sound insulation ventilating window can stop low frequency band noises of which the frequency is lower than 500Hz so as to further weaken the noises from the outside of the window to the inside of the window; meanwhile, the ventilating performance of the sound insulation ventilating window can be guaranteed; the daylighting effect of the sound insulation ventilating window is better, the requirements of indoor noise reduction, heat insulation and daylighting of people can be met, and the structure is simple.

The invention discloses a soil thermal desorption treatment system used for treatment of pollutants in soil of a site. The soil thermal desorption treatment system comprises a heap-shaped mound formedby the soil piled up on the site, a thermal desorption treatment assembly embedded in the mound and a sealing layer covering the surface of the mound; the thermal desorption treatment assembly comprises a heating pipe and an extracting pipe which are respectively used for heating the mound and discharging the pollutants desorbed at high temperature. The soil is piled up to form the mould directly, the heating pipe and the extracting pipe are arranged in the mould to have the soil heated and the pollutants in the soil discharged, arrangement of a thermal desorption treatment space of a staticpressure chamber and the like which are excavated in the site is not needed, and workload in thermal desorption treatment is reduced.

The invention discloses a novel guniting material for inhibiting spontaneous combustion of a gangue dump and an application method thereof, and belongs to the field of spontaneous combustion extinguishment of the gangue dump. The raw material of the guniting material is mainly coal-based solid waste, which comprises power plant by-product fly ash and desulfurized gypsum taking coal as fuel; the guniting material further includes by-product calcium carbide slurry of a PVC plant, by-product silica fume powder of a silicon iron smelting plant and a composite additive. The guniting material is sprayed on the surface of a gangue dump by using a guniting machine to form a solidified layer, so that the effects of preventing wind, stopping leakage and isolating air are achieved, air is prevented from entering a fire source in the gangue dump, and spontaneous combustion of the gangue dump is inhibited.

The invention provides a layered-hypophosphite flame-retardant and reinforced polypropylene composite material and a preparation method thereof and relates to the technical field of high polymer materials. The layered-hypophosphite flame-retardant and reinforced polypropylene composite material is prepared by polypropylene resin, layered hypophosphite, a toughening agent, antioxidant, a light stabilizer and a lubricating agent. The preparation method has the advantages that the layered hypophosphite is synthesized through a hydrothermal method, layered hypophosphite nanosheets are well combined with a polypropylene matrix and are evenly distributed in the polypropylene matrix and good in dispersity, influence on material mechanical performance is low, and polypropylene composite material prepared by adding the layered hypophosphite is high in strength and good in thermal stability.

The invention discloses a thin-film transistor, comprising a baseplate, a gate electrode, an insulating layer, a conducting layer, a drain electrode and a source electrode. The thin-film transistor is in top-contact structure, bottom-contact structure or top-grid structure; wherein the insulating layer is a combined layer which is a composite layer made of inorganic dielectric material and ultraviolet curing-requiring material or a composite layer made of a plurality of ultraviolet curing-requiring material layers. The invention is technically characterized in that the invention optimizes thin-film transistor fabrication process, improves the performance of the thin-film transistor, reduces the cost of the thin-film transistor by a large margin and reduces technique requirements and making cost for the industrialization of the thin-film transistor.