82results about How to "High Visible Light Transmission" patented technology

The invention belongs to the technical field of material chemistry, in particular relates to a vanadium dioxide precursor liquid and a method for preparing a thin-film material by using the same. The vanadium dioxide precursor liquid of the invention comprises a soluble vanadium salt, a film forming accelerator and a solvent. The invention further provides a method for preparing a vanadium dioxide thin film by using the vanadium dioxide precursor liquid. The invention overcomes the shortages of the prior preparation technique of liquid-phase vanadium dioxide, reduces the cost of raw materials, and can previously reduce or oxidize the vanadium raw material in the raw materials to quadrivalence so that vanadium element is not necessarily subjected to an oxidation-reduction reaction in the process of thermal treatment. The vanadium dioxide thin film prepared by the invention has uniform phase, good purity and intelligent response to temperature. The vanadium dioxide thin film prepared ona glass substrate has a light transmittance peak value up to 70% at most in a visual light region and an infrared light regulating performance up to 60% at most, and has wide application prospect in the fields of optical functional materials and electric functional materials.

A multilayered nano transparent conductive film is of alternate structures of dielectric layer and metal layer, and the metal layer is between two dielectric layers which are symmetric in structure or non-symmetric in structure. Its preparing method is to first work out a computer analog program for photoelectric performance of multilayer film according to the characteristic metrix calculation formula of multilayer, the theory of plasma resonance and the electronic transport in metal continuous film, to optimize the design of D / M / D multilayer film structure including selecting and matching ofmaterial quality, film thickness, reflecting rate and conductive rate, predicting of several kinds for D / M / D multilayer film structure, and then to use vacuum vaporation coating method to make D / M / D multilayer film by using accurate film thickness detection system to record film thickness

A near infrared ray reflective substrate having a near infrared ray reflective film formed on a transparent substrate by alternately laminating a dielectric film of low refractive index and a dielectric film of high refractive index. The substrate is characterized in that the transparent substrate is a plate glass or a polymer resin sheet exhibiting visible light transmissivity of 70% or above regulated by JIS R3106-1998 and having a maximal value of reflection exceeding 50% in the wavelength region of 900-1400 nm.

A near infrared screening film which consists of a biaxially oriented film made from a polyester containing a near infrared light absorber having a weight reduction start temperature of at least 280° C. and which has a haze value of 5% or less and a total transmittance for visible lights having a wavelength of 400 to 650 nm of 40% or more and which is exemplified by having optical properties at visible and near infrared ranges which satisfy the following expressions (1) to (4):1<T(850)<20  (1)1<T(950)<20  (2)−10<T(620)−T(540)<10  (3)−10<T(450)−T(540)<10  (4)wherein T(450), T(540), T(620), T(850) and T(950) are light transmittances at wavelengths of 450 nm, 540 nm, 620 nm, 850 nm and 950 nm, respectively.This film is inexpensive, has high handling ease, a high visible light transmittance and the function of preventing the malfunction of peripheral equipment caused by near infrared lights from the screen of a plasma display, for example, and can be suitably used in the front panel of the plasma display.

Provided is a laminated glass interlayer that has a high heat shielding performance, a high visible light transmittance, and excellent light resistance, and can thus maintain a high visible light transmittance for a long period of time. This interlayer for laminated glass has a single-layered structure or a laminated structure of at least two layers. This interlayer for laminated glass has a first layer (31). The first layer (31) comprises a polyvinyl acetal resin, a plasticizer, tungsten oxide particles, a magnesium salt of an organic acid having a branched structure and a metal salt of a C2-8 organic acid other than the magnesium salt of an organic acid having a branched structure.

The invention discloses a coated glass with the double functions of visible light reducing reflection and ultraviolet radiation cutting-off and the preparation method thereof. A film layer structure of the coated glass is glass uropatagia / titanium oxide- cerium oxide film / silicon dioxide layer with a plurality of holes, or silicon dioxide layer with a plurality of holes / titanium oxide- cerium oxide film / glass uropatagia / titanium oxide- cerium oxide film / silicon dioxide layer with a plurality of holes. The transmittivity of the visible light is 92 to 98 percent, the ultraviolet radiation cutting-off is larger than or equal to 96 percent. The thickness of the titanium oxide- cerium oxide film layer is 10 to 500nm, the components have the mass ratio that the titanium oxide is 10 to 90 percent, and the cerium oxide is 10 to 90 percent; the thickness of the silicon dioxide layer with a plurality of holes is 20 to 200nm, and the volume of the holes is 10 to 80 percent. The coated glass adopts the preparation method of a single-side spraying process or a double-side dipping and pulling method. Feed liquid for preparing the titanium oxide and the cerium oxide film layer comprises organotitanium and dissolubility cerous salt; the feed liquid for preparing the silicon dioxide layer with a plurality of holes comprises silicon ester, water, and ethanol, and ammonia is used as activator, wherein, the quality of silicon is 1 to 5 percent. The coated glass is performed with the heat treatment under the temperature of 400 to 550 Deg C. The invention can be used as the glass of an autocar, a train, a steamship, buildings and a spotlight.

The invention relates to a method for preparing antistatic aqueous solution by the chemical oxypolymerization of 3, 4-ethylenedioxythiophene (EDOT), i.e., potassium peroxydisulfate is used as oxidizer, sodium polystyrene sulfonate aqueous solution is polymerized with the 3, 4-ethylenedioxythiophene and the antistatic aqueous solution with eminent performance is prepared after the most suitable proportion of all the monomers is determined. Being used as a coat, the antistatic aqueous solution prepared by adopting the method of the invention has low surface resistance (1*10<5>Omega / cm<2>), high mechanical strength, high visible light transmittance, and superior electrochemistry performance and thermal stability. The method is simple in operation and has low requirement on equipment.

A process for preparing ITO film by magnetically controlled MF sputtering to InSn alloy target includes such steps as arranging InSn alloy target and the substrate to be plated in vacuum chamber, connecting said target to MF power supply, introducing working gas and reacting gas to the vacuum chamber for generating a plasma region between target and substrate and sputtering the target to release InSn particles, detecting the particular spectrum intensity of In at 451 nm, filtering, intensifying and amplifying it, comparing it with that of working gas, and regulating the flow of reacting gas according to the comparison result for oxidizing reaction of InSn particles and depositing them on substrate.

Disclosed is a glass ceramic for the front cover of a 5G mobile communication terminal. The glass ceramic is composed of, by weight percentage of oxides, 45-75% of SiO2, 10-25% of Al2O3, 8-20% of Na2O, 1-4% of K2O, 0-20% of MgO, 2-15% of ZrO2, 0-5% of Li2O, 0-10% of ZnO, 0-3% of Eu2O3, 0-5% of P2O5 and 0-3% of Sb2O3. The glass ceramic for the front cover of the 5G mobile communication terminal hasthe advantages of being high in strength, hardness and transmittance, resistant to impact and dropping and can meet the requirements of 5G communication on the performance of front cover material ofmobile terminals.

A phthalocyanine compound (1) of a specific structure excelling in ability to absorb near infrared, ability to effect selective absorption of near infrared radiation particularly in a wavelength range exceeding 920 nm and falling short of 1050 nm, solubility in a solvent as well, compatibility with resin, and in such characteristic properties as heat resistance, light resistance, and weatherability, and a near infrared absorbing filter characterized by using the phthalocyanine compound (1) and phthalocyanine compound (2) having a maximum absorption wavelength at least in the range of 800 - 920 nm are provided. It enjoys a long service life and permits extensive use without selecting a substrate.

The invention relates to a metal nanowire / carbon nanotube composite flexible transparent conducting film and a preparation method thereof. The composite flexible transparent conducting film comprises a flexible transparent substrate, wherein the surface of the flexible transparent substrate is coated with a metal nanowire / carbon nanotube composite conducting layer; metal nanowires form a crossing main conducting network; carbon nanotubes form a branched conducting network; and the branched conducting network is located in a gap of the main conducting network, and connected with the main conducting network. The preparation method of the conducting film comprises the steps of mixing the metal nanowires, the carbon nanotubes, absolute ethyl alcohol or acetone to form a suspension, performing spraying, immersing or transfer printing on the flexible transparent substrate to form a uniform film layer, and finally performing pressing. The method requires no dispersing agent, and is simple in technology, low in cost and easy in scale production; the prepared metal nanowire / carbon nanotube composite flexible transparent conducting film is fewer in conducting network gap, high in visible light transmittance and low in square resistance; the visible light transmittance is greater than or equal to 80%; and the square resistance is less than or equal to 90 ohm / sq.

Disclosed is an intermediate film for a laminated glass, which enables the production of a laminated glass having a low Tts value and high visible light transmittance. Specifically disclosed is an intermediate film (2) for a laminated glass, which comprises a thermoplastic resin, a plasticizer, heat-shielding particles (5), at least one component selected from a phthalocyanine compound, a naphthalocyanine compound and an anthracyanin compound, and a yellow dye. In the intermediate layer (5), the content of the heat-shielding particles is 0.01 to 2 parts by weight and the total content of the component and the yellow dye is 0.25 part by weight or less relative to 100 parts by weight of the thermoplastic resin.

The present invention provides an optical reflection film which maintains the high visible light transmittance, enables the reflectivity of the specific polarized light to be improved effectively and is excellent in processing performance, a manufacturing method thereof, optical control film using the optical reflection film, an optical film, a functional glass and a head-up display. The curved optical reflection film is characterized in that at least two optical reflection layers are laminated and comprise more than one of the optical reflection layer PRL-1, the optical reflection layer PRL-2 and the optical reflection layer PRL-3, the more than two laminated optical reflection layers having different center reflection wavelengths both have the characteristics of the polarized light in the same direction, and both maintain the curved shapes under the no-load states, and both have the thicknesses more than 50 micrometers and less than 500 micrometers.

The invention relates to preparation methods of a gold and silver embedded target and a film thereof. The gold and silver embedded target contains 10-30 percent of gold and 70-90 percent of silver. When the target is prepared, a pure silver target is used for carrying out magnetron sputtering to obtain a sputtering runway, a gold slot is opened, and then gold is embedded into the gold slot by adopting a press method; and when an alloy film is prepared, gold and silver on the runway of the gold and silver embedded target are sputtered under the condition of magnetron sputtering to be mixed and deposited onto a substrate to form a gold and silver alloy film, wherein the magnetron sputtering is carried out under the conditions that the vacuum degree is 1*10<-3> to 5*10<-3>, the sputtering temperature is 20-40 DEG C, the sputtering rate is 20-200nm / minute, and the air pressure is 0.5-1Pa. In the gold and silver embedded target, gold is used for replacing partial silver on a silver target, and the gold and the silver are combined in an embedding mode, so that the utilization ratio of noble metals is high, the target cost is reduced; and the obtained target has the advantages of tight combination, high sputtering efficiency, stable property and good quality; and a prepared gold and silver alloy film has the advantages of stable property and components, higher visible light transmissivity and far infrared reflectivity than those of pure silver films, and better timeliness.

An infrared shielding film-coated glass plate comprising a glass substrate (10) and an infrared shielding film (20) formed thereon, wherein the infrared shielding film comprises fine ITO particles having an average primary particle diameter of at most 100 nm dispersed in a matrix containing silicon oxide as the main component and containing nitrogen in an amount of at least 2 at% based on Si and has a film thickness of from 200 to 3,000 nm.

Disclosed is an optical film having excellent optical characteristics such as low haze value, excellent transparency, high visible light transmittance and low birefringence, which is further excellent in water vapor permeability and ultraviolet absorption. Also disclosed are a polarizing plate using such an optical film, and an image display device using such a polarizing plate. Specifically disclosed is an optical film for polarizer protective films, which is composed of a polypropylene resin mixture mainly containing a polypropylene resin synthesized by a metallocene catalyst and also containing a benzotriazole compound. The benzotriazole compound is contained in an amount of 0.08-5.5% by mass relative to the polypropylene resin mixture. Also specifically disclosed is a polarizing plate obtained by forming such an optical film on at least one side of a polarizer. Further specifically disclosed is an image display device using such a polarizing plate.

The invention provides a graphene / silicon carbide Schottky junction based photovoltaic cell and a preparation method thereof. The method comprises the following steps: placing a TiPdAg back electrode, an n-type monocrystalline silicon piece n-Si, an annular SiO2 layer and an annular gold film from bottom to top in a laminating mode, and forming stepped holes by an inner hole of the gold film, a through hole in the middle of the SiO2 layer and the upper surface of the n-type monocrystalline silicon piece n-Si; tiling the graphene or organic suspension of the graphene on the surface of the stepped holes by methods of directly transferring, spin coating, spraying, dipping and filtering, and leading the dried graphene film to be closely combined with the n-Si on a substrate electrode; and taking a lead wire extracted from one end of the graphene film as an anode of the photovoltaic cell, and taking a lead wire extracted from one end of the TiPdAg back electrode as a cathode of the photovoltaic cell. The photovoltaic cell reduces the utilization ratio of silicon, has simple assembly process and low cost, and is applicable to scale application.

The invention provides a glass plate with an infrared blocking layer and a manufacturing method thereof. The glass plate with an infrared blocking layer has excellent visible light transmittance and radio wave transmittance, low infrared transmittance, and can be applied to window glass for automobiles Plates and other parts requiring mechanical durability. It is characterized in that there is an infrared blocking layer with a layer thickness of 100-1500 nm on the surface of the glass substrate, and the infrared blocking layer has ITO particles with an average primary particle diameter of 100 nm or less dispersed in a substrate containing silicon oxide and titanium oxide Structure.

The invention discloses an ultraviolet protective lens and a preparation method thereof. The ultraviolet protective lens includes a glass substrate, and is characterized in that a high refractive film and a low refractive film are alternately plated on the glass substrate, the thickness of the high reflective film is 10-30nm, the thickness of the low refractive film is 25-50nm, and the high refractive film and the low refractive film are alternated by 10-25 times. The ultraviolet protective lens prepared by the method provided by the invention has high visible light transmission and good ultraviolet protection effect, realizes perfect unification of ultraviolet protection and normal observation, and solves the problem that when sun glasses are worn to block ultraviolet and control cataract, the visible light transmittance is low and can affect human eye observation.

The invention discloses a gradient laminated glass and a preparation technology thereof. The gradient laminated glass comprises a glass sheet, a soundproof film and a gradient film, the glass sheet comprises a first glass sheet and a second glass sheet, the soundproof film and the gradient film are located between the first glass sheet and the second glass sheet, and the soundproof film is in contact with the second glass sheet; and the soundproof film comprises PVB resin, trans-polyisoprene rubber, a plasticizer, hollow glass beads, ABS resin, a maleic anhydride-grafted ethylene-vinyl acetatecopolymer, a borax crosslinker, modified diatomite, bentonite, glass fibers, rosin, a heat insulating material and an ultraviolet absorber. The preparation technology of the gradient laminated glasscomprises the following steps: S1, cleaning the glass sheet; S2, sheet combination; S3, hot press molding. The gradient laminated glass of the invention has the advantages of good soundproof effect and high carrying capacity.

The invention discloses a method for preparing hollow spheres and films surrounded by VO2 nanosheets. In the method, a vanadium precursor, ethylene glycol and a reducing agent are added to a mixed solution of ethanol and water at a certain proportion, the mixed solution is transferred to a reaction kettle for hydrothermal reaction. After the reaction, the product is centrifugally washed and driedto obtain a powder sample, and the powder sample undergoes heat treatment in inert atmosphere, so that hollow sphere powder composed of the VO2 nanosheets can be obtained. The films prepared from theVO2 nanosheet hollow spheres present excellent optical properties and sensitivity. Firstly, the VO2 nanosheets are evenly vertically distributed on the surfaces of the hollow spheres, which significantly improves the dispersion of the nanosheets and the porosity of the films, significantly improves the transmittance and modulation capability of the films to visible light, and reduces the hysteresis width of the phase transition. The method is of great value for the application of VO2 in the field of smart glass.

An organic EL device has an organic EL element provided on a substrate and includes a lower electrode, an organic EL layer, an upper electrode, and a protective layer for moisture protection, and a protective substrate laminated onto the organic EL element via an adhesive layer. The protective layer is a laminated body including first through nth layers, in order, from a side close to the upper electrode (where n is an integer equal to or greater than 3). Each layer of the protective layer includes silicon oxynitride or silicon nitride, and two adjacent layers layer have different chemical compositions. The first layer has a refractive index smaller than that of the upper electrode and the nth layer has a refractive index larger than that of the adhesive layer. The refractive index (k) of the kth layer satisfies a relationship: refractive index (k−1)>refractive index (k).

The invention relates to a composite film used for a solar cell. The structure of the composite film is X / Ag / AZO, wherein X is one or more than one selected from the group of SiO2, TiO2 and VO2. The technical solution is characterized in that the AZO layer and the Ag layer are manufactured by using a magnetron sputtering method and the SiO2 and TiO2 thin films are prepared by using the magnetron sputtering method and an emulsion-gel method. The composite film has the advantages of high visual light transmission and high infrared reflection and is suitable for monocrystalline silicon, polycrystalline silicon, noncrystalline silicon, perovskite, CIGS or dye-sensitized solar cells.

The present invention provides an interlayer film for laminated glass which provides a laminated glass with excellent heat insulation property and high visible transmittance. An interlayer film 2 for laminated glass of the present invention comprises: a thermoplastic resin; a plasticizer; heat insulating particles; and at least one compound selected from the group consisting of a phthalocyanine compound, a naphtalocyanine compound, and an anthracyanine compound. When an amount A represents the amount of the heat insulating particles to 100 parts by weight of the thermoplastic resin and an amount B represents the amount of the compound to 100 parts by weight of the thermoplastic resin, the amount A is 0.1 to 3 parts by weight and a ratio of the amount A to the amount B (the amount A / the amount B) is 3 to 2000.

Disclosed is an intermediate film for laminated glass, which is capable of providing laminated glass that has high heat shielding properties and high visible light transmittance. Specifically disclosed is an intermediate film (2) for laminated glass, which contains a thermoplastic resin, a plasticizer, heat shielding particles, and at least one kind of component selected from among phthalocyanine compounds, a naphthalocyanine compounds and anthracyanine compounds. When the content of heat shielding particles per 100 parts by weight of the thermoplastic resin is represented by content A and the content of the at least one kind of component per 100 parts by weight of the thermoplastic resin is represented by content B, the content A in the intermediate film (2) for laminated glass is within the range of 0.1-3 parts by weight and the ratio of the content A to the content B (content A / content B) is within the range of 3-2000.