47results about How to "Improve light transmission" patented technology

The invention relates to a luminescent transparent cement-based material which comprises the following components in parts by weight: 20-40 parts of cement, 15-30 parts of luminescent powder, 20-40 parts of reflective powder, 3-6 parts of optical fiber and 1-3 parts of additive. The invention has the advantages that after the luminescent powder is illuminated, electrons in a low energy state in Eu2+ can be transited to a high energy state due to the energy absorption of photons, and light energy is converted and stored into a crystal lattice; when no illumination exists, the electrons in the high energy state in Eu2+ are returned to the low energy state, the energy is converted into the light energy to illuminate, and the illumination time can reach more than 15 hours to achieve the purposes of energy storage and illumination; and the light irradiated on the cement-based material is reflected by utilizing the luminescent powder, the luminescent powder is utilized for energy storage and illumination, then the light reflection of the luminescent powder is amplified by utilizing the reflective powder, therefore, the luminescent performance of the cement-based material is enhanced.

The invention discloses an organic light-emitting diode device. The light-emitting diode device comprises a substrate; an OLED unit disposed on the substrate; and a packaging structure, which is connected with the substrate, and is used for packaging the OLED unit. The packaging structure comprises a first inorganic barrier layer disposed on the outer side of the OLED unit in a wrapped manner, an inorganic nanometer-organic copolymer mixing layer disposed on the outer side of the first inorganic barrier layer in a wrapped manner, and a second inorganic barrier layer disposed on the outer side of the inorganic nanometer-organic copolymer mixing layer in a wrapped manner. The organic light-emitting diode device has advantages of good water oxygen barrier performance, thin thickness, and strong interface bonding force. The invention also provides the production method of the organic light-emitting diode device.

The invention discloses a multifunctional composite material and an application thereof. The multifunctional composite material is in a layer-like structure formed by using a binding agent to carry out hot-press compositing, and comprises an upper outer surface layer, a lower outer surface layer and a middle layer. The multifunctional composite material is characterized in that the upper outer surface layer and the lower outer surface layer are formed by transparent polymers; the middle layer contains at least one layer of textile fabric; art patterns are arranged on at least one surface of the textile fabric; and the binding agent for hot pressing is a non-light-tight polymer. The composite material disclosed by the invention has various functions of high light transmission, art decoration, light weight and convenience, high strength, strong anti-impact capability, screening of electromagnetic radiation, high toughness, isolation of ultraviolet rays and infrared rays and the like, and can be applied to various industries, such as industries of manufacturing a sun-shading and lighting product, a panel for a household appliance, an indoor decorative material, a sports protection product, a safe protection product, a partition wall, abruption, a luggage and the like. The multifunctional composite material is widely applied, can meet various functional requirements on the material in the current society, and has the advantages of practical values, energy conversation and environmental friendliness.

The invention discloses a graphene solar cell and a preparing method thereof. The graphene solar cell comprises an antireflection film, a multilayer graphene front surface electrode, a single-layer graphene grid line, an epitaxial piece and a multi-layer graphene back surface electrode; the antireflection film, the single-layer graphene grid line, the epitaxial piece and the multi-layer graphene back surface electrode are sequentially laminated from top to bottom; the multi-layer graphene front surface electrode is correspondingly arranged on the epitaxial piece and is positioned at the same side of the epitaxial piece together with the single-layer graphene grid line; the multi-layer graphene front surface electrode surrounds the area formed by the single-layer graphene grid line and is connected with the single-layer graphene grid line; the multi-layer graphene front surface electrode is provided with metal contact points, and a metal lead is led from each metal contact point. The single-layer graphene is used as the grid line of the solar cell, so the width and thickness of the grid line are greatly reduced, the optical absorption of the grid line is effectively reduced due to the high transmission of light of a graphene material, and the cell conversion efficiency is improved.

The invention relates to a graphene / gallium arsenide solar cell and a manufacturing method thereof. The graphene / gallium arsenide solar cell comprises a back face electrode, an n-type doped or p-type doped gallium arsenide layer, a graphene layer and front face electrodes from top to bottom in sequence, wherein one to 10 layers of graphene is arranged. The manufacturing method comprises the steps that firstly, the back face electrode is manufactured on one face of a gallium arsenide piece; secondly, surface chemical cleaning and drying are conducted; thirdly, the graphene is transferred to the other face of the gallium arsenide piece; fourthly, the front face electrodes are manufactured on the graphene. According to the graphene / gallium arsenide solar cell, the high carrier mobility, the high light transmission and the high conductivity of graphene materials are used, the excellent semiconductor property of gallium arsenide is combined, and thus the solar cell high in conversion efficiency can be easily manufactured on the basis of low cost and the simple technology.

The invention discloses a low-temperature anti-vapour food preservative film, which comprises the following components in weight percentage: 60%-70% of PVC (polyvinyl chloride) resin, 20%-35% of plasticizer, 2%-5% of heat stabilizer, 1%-3% of lubricating agent, and 2%-5% of milk lark A. According to the invention, the milk lark A with low temperature activity serves as a surface active agent, so that the surface of the preservative film still has better hydrophily in a low-temperature environment, and vapour can form a uniform water film on the surface of the film so as to enhance light-admitting quality of the PVC film.

The invention relates to a transparent conductive film (In2O3)x(SnO2)y(WO3)z(ITWO), which is prepared by doping SnO2 and WO3 in In2O3, wherein the transparent conductive film consists of following components in percentage by mass: 90-95 wt% to 4-9 wt% to 1-5 wt% of In2O3 to SnO2 to WO3. The transparent conductive film is prepared by adopting the method of magnetron sputtering or electron beam evaporation through reactive plasma deposition; the target adopts a mixed target of In2O3 to SnO2-WO3, or adopts co-deposition of ITO and IWO two targets or co-deposition of IWO and SnO2 two targets. The conductive film and the preparation method provided by the invention have the beneficial effects that the novel material has good conductivity of ITO and high light transmission of visible light wave band, and has high mobility of IWO and high light transmission characteristic of near-infrared wave band; the conductive film can be used as a window layer in a film solar cell, the short circuit current intensity of batteries can be effectively improved, and thus, the efficiency can be improved.

The invention relates to an injection artificial lens material with disulfide bond and a preparation method thereof, which belongs to the field of organic polymer materials, and is characterized in that N, N dipropionamide (BAC) with invertible disulfide bond is taken as cross linker and N-vinyl pyrrolidone (NVP) with high refractive index and good biocompatibility is taken as comonomer, which is obtained by polymerization with AAm. First, the BAC, the NVP and the AAm are polymerized in 25 percent of ethanol aqueous solution to form aquagel ANSS, and the obtained aquagel is soaked in water and purified; and then the disulfide bond in the aquagel is cut off by dithiothreitol (DTT), to form water soluble polymer ANSH with sulfhydryl group; after deposition and purification, the ANSH is dissolved in water, disulfide bond exchanger is added in, to re-oxidate the ANSH and form aquagel RANSS, so as to form the injection artificial lens. The material of the invention has good biocompatibility and high light transmission of visible light zone, is used in the injection artificial lens, can solve the glare problem, and personalize the artificial lens.

The invention relates to a high-strength cellulose / polyvinyl alcohol compound hydrogel, and preparation and application thereof. The high-strength cellulose / polyvinyl alcohol compound hydrogel is characterized by comprising the following components in parts by weight: 1-10 parts of cellulose, 1-10 parts of polyvinyl alcohol and 99-80 parts of water. The preparation method comprises the following steps: uniformly mixing a cellulose solution and a polyvinyl alcohol solution; adding into an assembling mold, and performing pre-gelation to obtain a pre-gelated gel; and then substituting out solvent, crystallizing, and crosslinking. The compound hydrogel film prepared by the invention has excellent mechanical property, high in-water or wet stability and high light transmittance. The compound hydrogel has the advantages of accessible raw materials, simple process, high strength, favorable biocompatibility, biodegradability and the like.

The invention discloses glass with high anti-dazzle property and high light transmittance and a preparation process thereof. The surface of the glass is coated with an etching layer with the thickness of 0.10 to 0.20 [mu]m, a SiO2 thin film with the thickness of 0.05 to 0.15 [mu]m and a TiO2 thin film with the thickness of 0.02 to 0.10 [mu]m. The preparation process of the glass comprises the following steps: (1) cleaning: cleaning the glass with water or ethyl alcohol; (2) etching: etching the surface of the cleaned glass with an etching solution; (3) polishing: polishing the etched glass surface with a mixed acidic solution with hydrofluoric acid and sulfuric acid; (4) film plating: plating the SiO2 thin film and the TiO2 thin film on the polished glass surface in sequence. The light transmittance of the glass disclosed by the invention is not less than 93 percent, and the light reflection rate is not greater than 0.5 percent. The preparation process disclosed by the invention is low in cost and easy to operate.

The invention provides high-light-transmission and high-solid-content waterborne polyurethane. The high-light-transmission and high-solid-content waterborne polyurethane is obtained by reaction of the following ingredients: polycaprolaclone glycol, polytetramethylene ether glycol, a solvent, diisocyanate, sulfonated polyethyleneglycol and diamine, wherein polycaprolaclone glycol is selected from polycaprolaclone glycol with the molecular weight of 1,000-3,000 or the combination; polytetramethylene ether glycol is selected from polytetramethylene ether glycol with the molecular weight of 1,000-3,000 or the combination.

The invention discloses a solar battery assembly, an up-conversion piece of a solar battery sheet and a preparation method of the up-conversion piece. The up-conversion piece of the solar battery sheet comprises a transparent glass substrate and fluorescent powder scattered in the transparent glass substrate, wherein the transparent glass substrate has a convex upper surface. According to the up-conversion piece provided by the invention, as the up-conversion piece has the convex upper surface, the surface area is increased, the photic area is increased, so that the total quantity of the sunshine radiating on the upper surface of the solar battery sheet is increased; a plurality of photons with low energy can be focused under the radiation of the sunshine so as to be converted into a photon with high energy; and moreover, owing to the convex upper surface, the mirror reflection quantity of the sunshine radiating to the upper surface of the up-conversion piece is reduced and the refraction quantity is increased greatly, therefore, the photoelectric conversion efficiency of the solar battery sheet is improved.

The invention discloses a method for shaping and pruning passion fruit branches. The method comprises the following steps that after the growth of passion fruits recovers, lateral buds are coated onceevery 5-10 days, and flowers and fruits under the parts, which are 50 cm in height, of main vines are all removed; meanwhile, when the main vines grow to 5-10 cm away from a frame surface, pinching is carried out, 2-4 lateral vines are reserved on a frame, and the other lateral vines are all removed; bamboo rods or wooden rods with the ground diameter of 2 cm and the length of 180 cm are adoptedas traction rods, and passion fruit seedlings are bound to the frame when the passion fruit seedlings send forth 4-6 leaves; branches and vines are pruned; old trees are pruned. According to the method for shaping and pruning the passion fruit branches, excessive pruning can be avoided, the light transmittance of the passion fruits can also be effectively improved, plant diseases and pests are reduced, the single fruit weight of the passion fruits is obviously increased, the yield of the passion fruits is generally increased, and the quality of the passion fruits is generally improved.

The invention relates to the technical field of adhesives, in particular to a low-refractive-index optical double-sided adhesive tape and a preparation method and application thereof. The optical double-sided adhesive tape is prepared from the following raw materials in parts by weight: 70-90 parts of an acrylate prepolymer, 15-30 parts of a reactive diluent and 0.1-2 parts of a photoinitiator, wherein the acrylate prepolymer comprises one selected from urethane acrylate, epoxy acrylate and polybutadiene acrylate. The optical double-sided adhesive tape prepared by controlling the prepolymer and the reactive diluent to undergo curing under the action of the photoinitiator has low refractive index which is in range of 1.1-1.38, can be used for bonding touch screens such as soft screens and hard screen and is free of the phenomenon of adhesive overflowing, and a cured outer edge is smooth, high in light transmission and low in haze.

Compared with the prior art, the light valve device provided by the invention has the advantages that a main body of solid light control particles adopted by the light valve device is an inorganic-organic complex which is non-blue solid particles, and when an electric field (in a closed state) is not applied, the solid light control particles in suspension medium liquid drops are randomly dispersed due to Brownian motion, at the moment, the light beams entering the light valve are absorbed and / or scattered, the light valve is poor in light transmission and relatively dark, and the dark state is a non-blue tone; when an electric field is applied (in an open state), the solid light control particles are polarized by the electric field, and the morphology and the state of the solid light control particles are changed, so that absorption / scattering and transmission of light by the light valve are influenced, most of light can penetrate through the light valve, the light transmission of the light valve is enhanced, the light valve is relatively bright, and modulation of dark-state primary colors of the light valve device is realized.

The invention discloses a cultivation management method capable of increasing jujube yield. The cultivation management method includes: jujube tree trimming, fertilizer adding, watering at proper time and main disease control. Through the jujube cultivation management method which is scientific and standard, more sufficient illumination time is provided for jujube trees, surviving and wintering of the jujube trees are facilitated, light transparency among plants is improved, photosynthesis effect is improved, the plants are enabled to grow and develop in most fittable environment, and quickness and high yield of the jujube planting are realized.

The invention discloses a preparation method of a wood-based selective near-infrared absorption material, which belongs to the technical field of wood modification, and particularly relates to a preparation method of a transparent wood material. The invention aims to solve the problem that the existing transparent wood does not have the near-infrared absorption characteristic. The preparation method comprises the following steps: 1, removing chromophoric groups to obtain a delignified wood substrate; 2, preparing resin doped with a near-infrared heat absorption material; and 3, dipping the delignified wood substrate into resin doped with a near-infrared heat absorption material, then adding a curing agent and ethanol, carrying out vacuum permeation-pressurized permeation cyclic treatment,and then carrying out normal-pressure curing, so as to obtain the wood-based selective near-infrared absorption material. The invention has the advantages that: 1, the light transmittance can reach more than 85 percent, and the near-infrared absorption rate exceeds 85 percent; 2, the mechanical property of the wood is enhanced to a great extent, and the heat conductivity coefficient is only 0.175W / (m.K); and 3, the cost is low, the process is simple and the preparation period is short. The method is mainly used for preparing the wood-based selective near-infrared absorption material.

The invention relates to an EVA intermediate membrane for high photopermeability heat insulation interlayer glass and a preparation method thereof. The EVA intermediate membrane comprises, by weight,97-98 parts of EV masterbatch, 0.5-2 parts of an MTO doped ATO nano heat insulation slurry, 0.5-1 part of a crosslinking agent, 0.5-1 part of an auxiliary crosslinking agent, 0.1-0.5 part of a coupling agent, 0.1-0.5 part of an antioxidant, 0.1-0.5 part of a photoinitiator and 0.1-0.5 part of an ultraviolet absorbing agent. The MTO doped ATO nano heat insulation slurry has the advantages of uniform particular strength, high crystallinity, large specific surface ratio and compatibility with EVA, and the heat insulation performance of the MTO doped ATO nano heat insulation slurry is better, theantioxidant and the ultraviolet absorbing agent are added to a reaction system, a synergistic effect is generated by the antioxidant and the ultraviolet absorbing agent, the intermediate membrane forthe high photopermeability heat insulation interlayer glass is prepared, the bonding performance of the intermediate membrane and the glass is stronger, the photopermeability rate of an adhesive membrane is higher, the haze ratio is low, and the weather resistance is better.

The invention belongs to the field of self-cleaning films, and in particular relates to a method for preparing a self-cleaning polycarbonate film which is fluorine-free, heat-resisting, good in light transmittance, non-toxic and self-cleaning. The method comprises the following steps of: dissolving polycarbonate materials in a dichloromethane solvent; fully stirring or ultrasonically dispersing the mixture so as to form uniform polycarbonate solution; coating the polycarbonate solution on a clean substrate so as to form a uniform film; and drying the film at room temperature after the dichloromethane solvent is completely volatilized so as to obtain the self-cleaning polycarbonate film. The self-cleaning polycarbonate film prepared by the method not only has high heat resistance (thermal decomposition temperature is 400 DEG C) and high light transmittance (the transmissivity of visible light is over 90 percent), but also has excellent hydrophobic performance (an angle for contacting water is more than 90 degrees); and the rough substrate has super-hydrophobic performance (an angle for contacting water is more than 150 degrees). The film can be applied in fields such as food and the like.

A thermoplastic resin film manufacturing method comprising a step for supplying and melting raw resin using an extruding machine comprising a supply unit, a compression unit and a measurement unit under the condition satisfying 0.75 <= supply unit resin transport efficiency <= 1.0, and melt-extruding the molten resin extruded from an extrusion port in a film shape from a die, and the application thereof. W denotes a screw flight pitch, Hf denotes a groove depth in the supply unit, D denotes the inside diameter of a cylinder, psi denotes a screw flight angle, Q denotes the extrusion amount of molten resin, Rho denotes the specific gravity of raw resin, and N denotes the number of rotations of a screw per minute.

The invention relates to a visualized test bench for testing hydraulic valve performance, relating to the field of hydraulic valve performance testing devices, and aiming at solving the problems that the condition of runner flow field of a valve cannot be effectively known, and the experimental valve pressure flow condition is uncontrollable during the experimental process when the test bench in the prior art is used. The visualized test bench for testing hydraulic valve performance comprises a fuel tank, a hydraulic pump No. 1, a pressure gauge, a speed regulating valve, a pilot-type constant pressure reducing valve, a pressure sensor No. 1, a visualized experimental valve, a pressure sensor No. 2, a pilot type relief valve, a flow sensor, a temperature sensor, an electromagnetic reversing valve, a cooler, a hydraulic pump No. 2 and a heater. The visualized test bench is mainly used for the hydraulic valve performance testing process, and an operator can conveniently observe the condition of the runner flow field when the valve is working.

A process for preparing reversible double-superaffinity film includes such steps as adding metal salt (0.5-32 mol) to organic solvent (70-98 mol), ultrasonic dispersing, adding stabilizer (0.1-6 mol) and catalyst (0.01-1.63 mol), preparing transparent sol, coating it on surface of substrate, heating in muffle furnace at 550-720 deg.C for 0.05-1.5 hr to obtain transparent film and external field induction for 10 min-5 hr to obtain the said reversible double-superaffinity film containing nm TiO2 particles (80-98%) and nm metal oxide particles (2-20%). After the external field induction for removing the effect of double-superaffinity, the said film can lose its double-superaffinity.

The invention relates to an aluminum alloy door-window with the good sealing performance. The door-window comprises a shell and a cleaning mechanism, a pushing mechanism is arranged in one side of theshell and comprises a positioning rod, a pushing plate, two limit blocks and two pushing assemblies, and each pushing assembly comprises a pushing unit, two sliding blocks and two rotation rods; thecleaning mechanism comprises a lifting assembly, a cross plate, a guide rod and a cleaning assembly, the cleaning assembly comprises a first motor, a gear and two cleaning units, and each cleaning unit comprises a rack, a limit groove, a fixing rod, a vertical rod, a cross rod and a cleaning block. According to the aluminum alloy door-window with the good sealing performance, the pushing mechanismpushes a window body, the gap between the window body and the shell is reduced, the sealing performance of the aluminum alloy door-window is improved, dust at the outer side of the window body is removed through the cleaning mechanism, so that the light transmission performance of the aluminum alloy door-window is improved, and accordingly the convenience of the aluminum alloy door-window is improved.

The invention provides a novel air-conditioner panel material. The novel air-conditioner panel material comprises basic components and functional components, wherein the basic components include ABS resin and polymethyl methacrylate; the functional components include a compatibilizer and a stabilizer. The invention simultaneously provides a specific preparation method. The preparation method is simple and high in controllability; an air-conditioner panel manufactured from the novel air-conditioner panel material has strong light transmission, burning resistance and shock resistance.

The invention provides a garden streetlamp with a self-cleaning function, and relates to the technical field of garden lamps. The garden streetlamp with the self-cleaning function comprises a lamp holder; a lampshade is movably installed on the outer surface of the bottom end of the lamp holder; lamp bulbs are movably installed in the lampshade, and a constant motor is fixedly installed on one sides of the lamp bulb; rainwater collecting plates are fixedly installed on the outer surface of the upper end of the lamp holder; struts are fixedly installed on the outer surface of the rear end of the lamp holder; one sides of the struts are provided with water pipes, and first spray heads are fixedly installed on the outer surfaces of the top ends of the water pipes; and a water trough is fixedly installed at the bottom ends of the struts. Through the garden streetlamp with the self-cleaning function, dust can be automatically removed, manpower participation is avoided, the workload of staffis decreased, rainwater can be effectively collected, in addition, outside plants can be irrigated, water can be supplied to a self-cleaning device, water resources are saved, and the water resourceutilization rate is increased.

The invention discloses a manufacturing process of a flashy framed sand painting for decoration of a distribution box. The manufacturing process comprises the steps that (1), a sand painting frame for decoration of the distribution box is manufactured according to a conventional method, wherein the sand painting frame comprises a bottom plate, LED color lamps arranged on the bottom plate, a frame arranged on the bottom plate, a switch which is arranged on the frame and connected with the LED color lamps and a power supply device which is fixed to the bottom plate and supplies power to the LED color lamps; (2), a sand painting glass plate is manufactured, wherein a glass etching agent is used for corroding glass at the position required to be filled with colored sand; the position required to be filled with colored sand is painted with a tackiness agent, the position painted with the tackiness agent is filled with colored sand raw materials and hot melting rubber powder with the weight proportion being 3:1, and the colored sand raw material is composed of colored sand and naphthalene with the volume ratio being 3:1; thirdly, the filled glass is put into an oven at the temperature ranging from120 DEG C to 130 DEG C to be baked for 10 minutes to 15 minutes, and then is taken out; and (3) the sand painting glass plate is fixed to the sand painting frame for decoration of the distribution box. The sand painting has the beneficial effects of being good in light transmitting effect, excellent in sticking performance and the like.

The invention discloses a rainproof, dustproof, ventilated and daylighting window, which comprises a main window, a protective window, an invisible screen window and a water retaining platform. A central column is installed and fixed in the middle of the main window by screws, and the left side of the central column is connected to the main body. The right side of the window is inlaid with tempered glass, the right side of the center column and the left side of the main window are perforated with ventilation louvers through screw rods, and the upper water baffle, the lower water baffle and the screw holes are arranged on the ventilation louvers. The protective window is installed and fixed on the front end of the ventilation louver by screws, and the protective mesh is inlaid inside the protective window. The invisible screen window is installed and fixed on the rear end of the main window by screws, and the water retaining platform is pasted behind the main window by sealant Below the end, grooves and drainage pipes are arranged on the water retaining platform. The invention has simple structure and convenient installation, can effectively improve indoor natural ventilation effect, and can effectively prevent birds, dust and rain.

The invention discloses a transparent polystyrene composite material with a mosquito expelling effect and a preparation method thereof. The transparent polystyrene composite material with the mosquitoexpelling effect is prepared from the following components in parts by weight: 80-94 parts of polystyrene, 1-5 parts of a light diffusion agent, and 1-5 parts of a mosquito expelling agent. High-transparency polystyrene is selected as a substrate, by adding the light diffusion agent and the mosquito expelling agent, the prepared polystyrene composite material has good light transmission, mosquitoexpelling and light diffusion effects and thus is successfully applied to the lighting industry to prevent mosquito interference.

The invention provides a method for manufacturing a semiconductor device. The method comprises steps of: providing a substrate; depositing and planarizing an interlayer dielectric layer and a contact layer on the substrate; selectively etching and removing the interlayer dielectric layer with a certain thickness; and covering a first metallic layer. A step height difference is formed between the contact layer and the interlayer dielectric layer so that the thickness of the first metallic layer on the contact layer is reduced. Therefore, local transmittance is enhanced and aligning accuracy is increased when the first metallic layer is subjected to photoetching.

The invention discloses a photovoltaic road system. The photovoltaic road system comprises a transparent resin composite layer, a photovoltaic module, a wireless charging module and a supporting component, wherein the photovoltaic module and the wireless charging module are packaged between the transparent resin composite layer and the supporting component, the photovoltaic module is used for generating power by receiving sunlight irradiated through the transparent resin composite layer to generate electric energy, and the wireless charging module is electrically connected with the photovoltaic module and used for wirelessly charging passing electric vehicles on a photovoltaic road by using the electric energy generated by the photovoltaic module. The resin composite layer has high light transmittance on the basis of ensuring high pressure resistance, so that the photovoltaic road has high generation power on the basis of excellent stability.