62results about How to "Barrier damage" patented technology

The self-cleaning household appliance glass capable of shielding electromagnetic radiation is constituted through depositing silica film layer, Sb-doped SnO2 film layer and N-doped TiO2 film layer successively on glass substrate. It is made in a completely closed tunnel equipment and through multiple step coating process including the first RF plasma reinforced chemical vapor deposition of silica film layer, the subsequent metal organic chemical vapor deposition of Sb-doped SnO2 film layer, and final DC reaction and magnetically controlled sputtering deposition of N-doped TiO2 film layer. The self-cleaning household appliance glass has the advantages of both TCO coating glass and self-cleaning coated glass, and can shield electromagnetic wave and infrared radiation and self cleaning.

The invention discloses an application of an alcohol soluble fullerene derivative in a perovskite solar cell. The preparation process of a cell includes the following steps: preparing a cavity transmission layer on a piece of clean electro-conductive glass; spin-coating the cavity transmission layer with DMF solution of PbI2, spin-coating methyl ammonium iodide (MAI) isopropanol solution doped with the alcohol soluble fullerene derivative, and then obtaining a perovskite layer through annealing; and preparing an electronic modification layer and electrodes on the perovskite layer, and obtaining a perovskite solar cell. The application of an alcohol soluble fullerene derivative in a perovskite solar cell enables the fullerene to be distributed in a perovskite film from top to bottom in a graded manner by means of a simple doping method, thus maximally improving the electron mobility so as to improve the current and fill factors of devices. Therefore, the application of an alcohol soluble fullerene derivative in a perovskite solar cell can obtain a perovskite solar cell with high performance and simplify the process of device preparation, and can obtain better device performance at the same time.

The invention belongs to the technical field of hydraulic engineering and discloses a method for identifying river segment blocking performance characteristics and classifying blocking degrees. The method comprises the steps that the continuous length of the cross sections, with the river facies coefficient smaller than 4, in blocking performance river segments is 3,200 m or above, and the standard deviations of the river facies coefficients of all the cross sections under different water levels are smaller than 15; the critical hanging length of upper-layer cohesive soil of river banks of theblocking performance river segments is not larger than the back-flushing distance of lower-layer sandy soil, the total stability of the bank slopes is high, and single-side or double-side large-rangeriver bank collapse cannot occur. For the transitional river segments converted from non-blocking performance to blocking performance, the regulation measures are adopted for removing the causes of damaging the blocking performance, and the effect of the blocking performance river segments is possibly created; for the transitional river segments converted from blocking performance to non-blockingperformance, the situation is avoided that the blocking performance is lost due to bad change; for long river segments among the non-blocking performance river segments, systematic planning and regulation are conducted from top to bottom for river regulation, and it is guaranteed that the upstream and downstream river regimes are smoothly connected; for the blocking performance river segments, the natural blocking performance of the river is prevented from being damaged by man-made engineering.

The invention provides an intelligent grabbing manipulator for automotive green tires. The intelligent grabbing manipulator for the automotive green tires comprises a manipulator jaw opening and contracting mechanism (3) and a manipulator rotating and positioning mechanism (5), wherein the manipulator jaw opening and contracting mechanism (3) comprises a moving internal shaft (2.1) penetrating a flange (2.6), one end of the moving internal shaft (2.1) is fixedly connected with a connecting rod support frame (2.2), a plurality of linear guide rail pairs I (2.7) are arranged on the flange (2.6) in the radial direction, jaws (2.4) are fixedly connected to sliders of the linear guide rail pairs I (2.7), one ends of connecting rods (2.3) are hinged with the connecting rod support frame (2.2), and the other ends are hinged with the jaws (2.4) or the sliders on the linear guide rail pairs I (2.7). The intelligent grabbing manipulator for the automotive green tires grabs the green tires conveniently and rapidly, and is beneficial to improvement of productivity and yield.

The invention discloses a thin-film packaging component, a photoelectronic device and a packaging method of the photoelectronic device and relates to the technical field of photoelectrons. Water and oxygen can be effectively isolated, and the service life of the photoelectronic device can be prolonged. The thin-film packaging component comprises a thin-film packaging layer, wherein the thin-film packaging layer comprises an ultraviolet light curing material layer; the ultraviolet light curing material layer is made from an ultraviolet light curing material; the ultraviolet light curing material comprises 25 to 95 percent of epoxidized soybean oil acrylate and 5 to 75 percent of ultraviolet light initiator. The packaging method disclosed by the invention can be used for packaging the photoelectronic device.

The invention provides a high-barrier flexible back film. The high-barrier flexible back film mainly comprises a substrate film, aluminum foil, an uvioresistant coating, a protection film layer, and an adhesive layer; two sides of the aluminum foil are compounded with the substrate film through an adhesive respectively; the uvioresistant coating can be directly coated or sputtered outside a compound film; the protection film layer can be directly coated or compounded on the uvioresistant coating; and the adhesive layer is coated on the inner side of the compound film, so the high-barrier flexible back film can be obtained. In the high-barrier flexible back film, the aluminum foil is used as an intermediate layer and has an extremely high barrier property, so the high barrier requirement of novel flexible thin-film solar products such as Cu(InGa)Se2 (CIGS), OPV and the like can be met, and the aluminum foil can reflect light to improve the conversion efficiency of solar energy; moreover, the high-barrier flexible back film is mainly prepared by a compound process. The obtained solar cell back film has the extremely high barrier property and mechanical strength, and can protect a solar cell well; and the compound process is mainly adopted, a production process is simple, production technologies for all the materials are mature, and all the materials are low in cost. Therefore, the back film is high in scale yield, the cost of the back film is far lower than that of similar products on market, and due to the advantage of the flexibility of the back film, the characteristics of flexibility, thinness and the like of a thin film solar cell can be exerted well.

The invention discloses a color film substrate, a manufacturing method of the same and a display panel. The color film substrate comprises a substrate, a first conducting film layer formed on the substrate, an RGB (Red Green Blue) color barrier layer formed on the first conducting film layer, a first insulating layer formed on the RGB color barrier layer, a second conducting film layer formed on the first insulating layer, and the RGB color barrier layer and the first insulating layer are provided with via holes. According to the color film substrate, the manufacturing method of the same and the display panel, the distance between the first conducting film layer and the second conducting film layer is enlarged, so that the parasitic capacitance of the color film substrate can be effectively reduced and the signal to noise ratio of a built-in touch function display panel with the color film substrate can be improved; further, in the manufacturing process of the color film substrate, the first insulating layer can effectively prevent the damage to the RGB color barrier layer from conductive materials and photoresist stripping liquid during the manufacturing of the second conducting film layer so as to ensure the picture display quality of the built-in touch function display panel with the color film substrate.

The invention provides an improved indoor heater. The improved indoor heater comprises a panel, a shell, an air blowing module, a ventilation module and a heating module; an illumination module, an intake grid plate and an exhaust grid plate are mounted on the panel; a first intake port, a second intake port and an exhaust port are formed in the end surface of the shell; an air outlet is formed inthe side surface of the shell; a first volute and a second volute are arranged in the shell; a first exhaust way is surrounded by the first volute; a second exhaust way is surrounded by the second volute; a thermal insulation surrounding plate is projected on the exhaust port for surrounding the heating module; the heating module is accommodated in the thermal insulation surrounding plate, and isaligned to the exhaust grid plate; the intake grid plate respectively conducts with the first intake port and the second intake port; the first air way communicates with the first intake port and theexhaust port; the second air way communicates with the second intake port and the air outlet; the air blowing module is mounted in the first air way; the ventilation module is mounted in the second air way; a thermal insulation back plate is arranged on the back surface of the illumination module, covers the back surface of the illumination module, and is fixed with the panel; and a gap is formedbetween the illumination module and the thermal insulation back plate.

The invention relates to an X-ray sensor and a manufacturing method thereof. The X-ray sensor comprises a sensing substrate and a lead glass substrate, wherein the sensing substrate is provided with a plurality of sensing units; the lead glass substrate comprises a first surface and a second surface which are opposite; the first surface is fixed on the sensing substrate and a plurality of grooves which correspond to the plurality of sensing units one by one are formed in the second surface; the lead glass substrate also comprises a first reflecting layer, scintillator fluorescent powder and a second reflecting layer; the first reflecting layer is arranged on the side walls of the plurality of grooves; the plurality of grooves are filled with the scintillator fluorescent powder; and the second reflecting layer is arranged on the second surface. According to the X-ray sensor provided by the invention, the damage of an X ray to the plurality of sensing units can be effectively blocked through a method of adding lead glass between the scintillator fluorescent powder and the plurality of sensing units; and furthermore, the lead glass has relatively high penetration rate and a high refractive index, so that optical interference caused by light scattering can also be effectively reduced.

The invention discloses a portable low-cost pressure-resistant and temperature-resistant infrared temperature measuring endoscope comprising an endoscope shell, an infrared thermal image machine coreand an infrared filter; a cover is arranged on the upper end of the endoscope shell, the bottom end of the endoscope shell is downwardly-projected and is provided with a mounting threaded pipe, the mounting threaded pipe is connected into other cavities through threads, an infrared thermal image machine core lens is embedded downwardly in the inner cavity of the endoscope shell, the infrared filter is arranged in front of the infrared thermal image machine core lens, and is fixed through a filter fixing ring, a water cooling cavity is formed in the endoscope shell, an air cooling open groove is formed in the endoscope shell and is used for blowing nitrogen or other inert gas into the infrared filter, and the infrared filter is prevented from being overheated and damaged. The whole endoscope can be conveniently mounted and fixed on the surface of an object to measure the internal temperature and the thermal image. The temperature measurement of the internal structure of the object underhigh-pressure high-temperature environment is realized, the whole device is small and light, easy to operate, convenient to carry and low in cost.

The invention provides low-temperature-resistant silicone sealant. The silicone sealant is prepared from, by weight, 100 parts of end-capped polydimethylsiloxane, 5-10 parts of plasticizers, 15-20 parts of filler, 3-10 parts of cross-linking agents, 1-2 parts of catalysts, 0.5-1 part of coupling agent, 1-2 parts of stabilizers, 1.5-2 parts of antiager, 2-6 parts of tackifier, 4-5 parts of solubilizer PE-g-MAH, 10-12 parts of polysulfone and 14-15 parts of hollow calcium carbonate microspheres. The invention further provides a preparing method of the silicone sealant. The silicone sealant is high in low temperature resistance.

The invention relates to an apparel seam adhesive tape plastic-packaging machine, comprising a plastic-packaging machine tray, a plastic-packaging machine body mounted on the plastic-packaging machinetray, and a heating device mounted on a plastic-packaging machine nose; the heating device is connected with a controller mounted on one side of the top of the plastic-packaging machine tray; the bottom of the heating device is fitted with an upper glue roller; the peripheral outer wall of the upper glue roller is provided with a groove; the width of the groove matches with that of a plastic-packaging adhesive tape. The groove of the upper glue roller ensures traveling of the plastic-packaging adhesive tape in the upper glue roller, lateral swinging of the plastic-packaging adhesive tape canbe prevented, no deviating occurs, the plastic-packaging adhesive tape glued has uniform width at a seam in horizontal and vertical form, and the attractiveness can be still retained even if apparel is put on reversely and the plastic-packaging adhesive tape is exposed.

The invention discloses a triphenylamine fullerene derivative and a preparation method and application thereof. The method comprises the following steps: 1) preparing a triphenylamine iodinated product; (2) preparing chlorinated, fluorinated, ethylated and methoxylated products of triphenylamine; (3) preparing hydroformylated triphenylamine and derivatives thereof; and 4) reacting the obtained triphenylamine and derivatives thereof with N-alkylglycine (N-(2-cyanoethyl) glycine, N-methylglycine, N-ethylglycine and N-benzyl glycine) and C60 under anhydrous and anaerobic conditions to obtain the triphenylamine fullerene derivative. The method has the advantages of simple synthesis method, convenient application, strong operability, cheap and easily available reaction raw materials, and high yield. The application of the triphenylamine fullerene derivative prepared by the method as an electron transport material in a perovskite solar cell can realize convenient preparation of the perovskite solar cell, few hysteresis phenomena, and high device efficiency and stability.

The invention relates to a packaged large-area perovskite solar cell, which comprises a transparent substrate, a conductive layer formed on the transparent substrate, non-conductive etching lines formed on the conductive layer, conductive grid lines arranged on the conductive layer through printing and a perovskite solar cell module arranged on the conductive layer, wherein the cell module comprises two or more large units, and each large unit comprises two or more small units; the large units are connected in parallel and the small units are connected in series through the etching lines and the conductive grid lines, or the large units are connected in series and the small units are connected in parallel. The plurality of large units on the same transparent substrate are connected in parallel so as to reduce the series resistance of the cell and improve the working current, and the large units are further connected in series by a plurality of small units, so that and the voltage of the cell is improved; or the plurality of large units are connected in series so as to improve the voltage of the cell, and the large units are further connected in parallel by the plurality of small units, so that the series resistance of the cell is reduced, and the working current is increased.

The invention provides a photosensitive dry film with stable storage and a preparation method of the photosensitive dry film. The photosensitive dry film sequentially comprises a support film layer, a resist layer and a protective film layer, wherein the support film layer is double heat-sealed PET, has a three-layer structure and comprises two copolyester PETG layers and a PET resin layer between the two copolyester PETG layers. The defect of poor heat-sealing property of a conventional PET film is overcome. Through heating and cutting, a support film, a resist and a protective film at a notch are quickly heat-sealed to form a heat-sealed layer which is 0.1-2.0mm in width, so that the resist layer can be prevented from generating a cold flow; edge gummosis is inhibited; oxygen and moisture damages are blocked; and the dry film product with stable storage is obtained. In addition, the properties of the resolution ratio and the like of the dry film are not reduced even if cutting is carried out under a heating condition.

The invention discloses a new energy energy-saving and environment-friendly park illuminating lamp. The illuminating lamp is provided with an air velocity transducer and a light strength transducer which are used for monitoring the air velocity and light strength in a park correspondingly in real time. When the air velocity in the park is greater than a set value of the air velocity transducer andthe light strength is smaller than a set value of the light strength transducer, a controller controls a wind driven generator to work and store power preferentially; when the air velocity in the park is smaller than the set value of the air velocity transducer and the light strength is greater than the set value of the light strength transducer, the controller controls a solar generating deviceto work and store power preferentially; and when the air velocity and light strength in the park are simultaneously greater than the set values of the air velocity transducer and the light strength transducer, the controller controls the wind driven generator and the solar generating device to work and store power simultaneously. Due to the structure, the most appropriate power storage mode can beselected according to actual weather conditions, power storage work of the park illuminating lamp is better facilitated, and energy saving and environment friendliness are achieved.

The invention discloses an asphalt road interlayer adhesive which comprises the following raw materials in parts by weight: 100 parts of a composite adhesive, 6-8 parts of cyclodextrin polyrotaxane and 2-4 parts of self-repairing microcapsules, wherein the composite adhesive is composed of an epoxy resin adhesive and a polyurethane adhesive. The invention also discloses a preparation method of the asphalt road interlayer adhesive. The adhesive has good adhesion performance and drawing performance, and has self-repairing performance. The self-repairing waterproof coating has good adhesion, shear strength and waterproof performance, and has self-repairing performance.

The invention discloses an anti-saccharification moisturizing cream and a preparation method thereof. The cream is prepared from an olive oat emulsifier, cetearyl alcohol, isooctadecyl isooctadecanoate, caprylic acid / capric acid triglyceride, synthetic squalane, polydimethylsiloxane, 2,6-di-tert-butyl-4-methylphenol, disodium EDTA, glycerol, propylene glycol, xanthan gum, carbomer 940, triethanolamine, Inonotus obliquus water extract, Inonotus obliquus alcohol extract, phellinus igniarius alcohol extract, a polysaccharide skin tightening agent, sodium hyaluronate, nicotinamide, panthenol, PCG, water and the like. The product of the invention is an oil-in-water emulsifying system, the novel mild olive oat emulsifier is selected, the Inonotus obliquus water extract and the Inonotus obliquusalcohol extract are used as main anti-saccharification components, and active components such as the phellinus igniarius alcohol extract and the polysaccharide skin tightening agent are compounded, so that the anti-saccharification effect of the product is improved, the effects of moisturizing skins, resisting oxidation, resisting inflammation and the like are enhanced, and the product can make the skin smooth, tender and tight after long-term use and can delay aging. The product of the invention can also be used by people with mild, no irritation and sensitive skin.

The invention provides a modular assembled switchgear, which includes a first cabinet body and a second cabinet body; the upper end of the first cabinet body is fixed with a rain shield through a connecting plate; the lower end of the fixed frame is inserted into the second cabinet body. In the second cabinet; the inner side of the filter plate is inlaid with a fixed mounting frame; the mounting frame is installed between the first cabinet and the second cabinet, and a cooling fan is installed inside, and its upper part is connected to a wiring hole; the top The inner side of the heat dissipation hole is provided with a wire hole; the wire hole is opened in the middle wall of the first cabinet body and the second cabinet body; the bearing plate is horizontally connected in the movable block; In the inner walls of the left and right sides of the second cabinet body; the adjustment protrusions are inserted into the adjustment holes; the adjustment holes are set in multiple inner walls on both sides of the second cabinet body, and are arranged between the chute; The fixed block is welded and fixed on the left and right inner walls of the second cabinet; the invention has simple structure, simple and convenient assembly and disassembly, and strong practicability.

A device for repairing pavement quickly and efficiently comprises at least one repairing inclusion matched with pit groove of pavement, the repairing inclusion is filled with repairing material block,the outer surface of the repairing inclusion is wrapped with protective net, and the repairing inclusion is connected with the protective net to form an integral body. The invention provides a devicefor repairing pavement quickly and efficiently and a construction method thereof, The utility model has the advantages of simple operation, quick construction and greatly prolonging the service lifeof the pavement, and effectively solves the shortcomings of the traditional pavement repair method, such as long repairing time, complex equipment operation, large occupation area, long construction period and a large amount of manpower and material resources, so as to avoid traffic congestion caused by road closure and greatly reduce economic losses.

The invention discloses an integrated automatic monitoring device and method for horizontal displacement and deep displacement of a support pile top. The monitoring device comprises an inclinometer pipe, a tandem fixed inclinometer, an inclinometer pipe protective cover, an intelligent data acquisition box, an I-shaped stainless steel mark point, a total station, a signal tower and a PC terminal.According to the device, the inclinometer pipe protection cover is arranged on a traditional inclinometer pipe, silt can be effectively prevented from entering the inclinometer pipe to damage the inclinometer, the inclinometer can be repeatedly used, and raw materials are saved. Simultaneously, the traditional inclinometer is used for measuring the deep displacement by taking the bottom of the support pile as a reference. An I-shaped stainless steel mark point which is arranged above the inclinometer pipe and is convenient for measuring horizontal displacement is used as a reference. The measured data are transmitted to the PC terminal in real time, PC terminal software corrects the measured deep displacement through the horizontal displacement of the top of the supporting pile, the real-time deformation amount of the supporting pile can be measured, and the deformation condition of the foundation pit can be mastered more finely.

The invention discloses a preservative film for low-temperature preservation of non-staple food, fruits and vegetables, and relates to the technical field of preservative films. The preparation process of the preservative film comprises the following steps of: 1) preparing microcapsules; 2) carbonizing kapok fibers; 3) pretreating the carbonized kapok fibers; 4) preparing a carbonized kapok fibercompound; and 5) blending gelatin composite liquid and a polyvinyl alcohol aqueous solution, adding the carbonized kapok fiber compound, performing curtain casting to form a film, drying and curing the film to obtain the preservative film. According to the preservative film provided by the invention, at the early stage of the preservation of fruits and vegetables, the air permeability of the preservative film can enable carbon dioxide generated by breathing of the fruits and vegetables to be discharged in time, so that the early-stage preservation of the fruits and vegetables is facilitated, and the external air is not easy to enter the preservative film along with the absorption of moisture in the preservative film and the improvement of the compactness; the low-oxygen and low-carbon dioxide environment in the preservative film is maintained, so that the later preservation of the fruits and vegetables is facilitated, the preservation period of the fruits and vegetables is prolonged, and the long-acting preservation of the fruits and vegetables is realized.

The invention relates to a multi-effect anti-aging skin care product and a preparation method thereof, and belongs to the technical field of cosmetics. A composition for the multi-effect anti-aging product comprises an inonotus obliquus extract, and the multi-effect anti-aging skin care product comprises the composition for the multi-effect anti-aging product. In view of a measure for effectivelydelaying senescence, functional raw materials are selected from different angles, a plurality of active ingredients with moisturizing, whitening, anti-oxidation, anti-saccharification, anti-inflammatory, lifting and tightening effects are scientifically matched to prepare a real multi-effect anti-aging skin-moistening cream according to the synergistic interaction principle, the sensory and physicochemical indexes of the product are tested, the effects of whitening, oxidation resistance, saccharification resistance and the like are researched, and the performance of the product is comprehensively evaluated through volunteer trial and skin tester test.

The invention relates to wax oil special for decoration and a preparation method of the wax oil. The wax oil is prepared from the following components in parts by weight: 15-25 parts of stillingia oil, 6-12 parts of linseed oil, 35-45 parts of carnauba wax, 10-15 parts of beewax, 6-15 parts of olive oil, 15-30 parts of plant resin, 6-8 parts of a rose extract, 5-8 parts of a tea tree essence, 6-12 parts of tung oil, 4-6 parts of thistle seed oil and 35-40 parts of absolute ethyl alcohol. The special wax oil is extracted by adopting a pure natural material and is nontoxic and harmless, no chemical substance is added, the special wax oil does not contain harmful substances such as heavy metals, is environment-friendly, can reach the edible level and is good in effect, high in extraction rate, resources are saved the cost is reduced, the extracted wax oil is high in purity, good in color, tasteless and good in permeability, effectively penetrates into wood, the wood is better protected, the surface hardness is strengthened, the wood does not easily crack, the original unique texture is reserved, the damage of insect pests is effectively blocked, the water resistance is good, cleaning is facilitated and the comprehensive economic efficiency is strengthened.

The invention discloses a cotton picker which comprises a shell and a drive component. A cotton picker nose is fixed on the shell. Cotton picking needles which are capable of automatically changing angles through crankshaft eccentric rotation during operation are disposed in the cotton picker nose. The cotton picker has the advantages that the cotton picker is simple in structure and convenient to use, cotton is efficiently picked by rotating the cotton picking needles, when the cotton picking needles rotate to picking positions, the cotton picking needles extend forwardly to pick cotton, when the cotton picking needles rotate to non-picking positions, the cotton picking needles reverses to discharge cotton / cotton flock, the problem that repeated bringing in and out of cotton / cotton flock increases probability of cotton flock accumulation and winding in the original cotton picker with cotton picking needles in fixed rotation, and the discharged cotton / cotton flock can be collected through a cotton outlet to complete cotton / cotton flock picking.

The invention discloses a non-staining non-finger mark high-pressure decorative board and a preparation method thereof. The high-pressure decorative board is formed by a balance layer, a substrate layer, an adhesive layer and a non-staining non-finger mark decorative layer through high-temperature and high-pressure moulding. The non-staining non-finger mark decorative layer is a resin-coated decorative paper, the decorative paper is coated with the fluoroalkylsilane resin composite resin with addition of silica particles. The mass percentage of the silica particles in the composite resin is 20% to 30%, and the particle size is 10 to 20 nm. The obtained high-pressure decorative board forms a protective film with high pollution resistance, fingerprint staining resistance and graffiti resistance, and has strong anti-adhesion property; can effectively block the damage of the decorative layer by ultraviolet rays and oxygen, acid corrosive gas, water vapor, and the like, and can keep the good stability of the decorative effect of the decorative board for a long time. Therefore, the decorative board can be better used for exterior wall decoration, beach tables and chairs, outdoor furniture decoration, and the like, can better protect the decorative objects from damage, which greatly expands the decorative board.

The invention discloses a shallow surface ecological water protection method based on the stagnation effect of key layers in mining space, utilizes the development and closure of hard rock layers (key layers) to separate layers and has a certain delay time, and according to the theory of key layers and the mechanical strength of rock layers, finds out-of-surface layers One or more key layers that are nearest and have a certain development delay time, drill holes in the key layer in advance, and set up a monitoring system in the hole; when the separation layer develops below the key layer, the monitoring system automatically recognizes and starts The grouting pump performs rapid grouting, and fills the separation space with grout before the key layer is broken and bent to block the upwardly conductive mining space, so as to prevent the mining from damaging the shallow rock formation and shallow surface water, and at the same time increase the The strength of the rock mass structure forms a "protective circle" for the shallow surface rock formation, prevents the loss of shallow surface water and surface subsidence, and protects the surface ecological water level, which is beneficial to the ecological protection of the ecologically fragile areas in the west.

The present application discloses a color filter substrate, a manufacturing method thereof, and a display panel. The color filter substrate includes a substrate, a black matrix layer, a first groove, and a reflective layer; the substrate includes a display area and a non-display area, and the substrate includes a display area and a non-display area. The non-display area is arranged around the display area; the black matrix layer is arranged on the substrate and includes at least a first black matrix layer arranged in the display area and a second black matrix layer formed in the non-display area a matrix layer; the first grooves are arranged in the second black matrix layer, and are arranged around the display area; the reflective layer covers the first grooves, and is reflective by coating the first grooves It can effectively increase the shading effect of the edge black matrix layer, and at the same time can reduce the length of the black matrix in the non-display area at the edge, thereby reducing the size of the non-display area and realizing a narrow frame. The reflective layer can effectively block static electricity from damaging the display device and play an antistatic effect. .