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

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.

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.

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 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.

Provided is a crystallized glass characterized in that: a crystallized glass is used as a base material; a compressive stress layer is present at the surface; at a thickness of 10 mm, the wavelength at which the light transmittance, including reflection loss, is 80% is 400-669 nm; and Vickers hardness [Hv] is 835-1300. In the crystallized glass, the thickness of the compressive stress layer is 20 mum or more. The crystallized glass base material contains, in terms of wt.% of oxides, 40.0-70.0% of a SiO2 component, 11.0-25.0% of an Al2O3 component, 5.0-19.0% of a Na2O component, 0-9.0% of a K2O component, 1.0-18.0% of a MgO component, 0-3.0% of a CaO component and 0.5-12.0% of a TiO2 component, and contains 90% or more in total of a SiO2 component, an Al2O3 component, a Na2O component, a K2O component, a MgO component and a TiO2 component.

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.

The present invention provides a near-infrared reflective film and a near-infrared reflector, which can be used over large areas and are flexible, and have low haze and high visible light transmittance. The near-infrared reflective film comprises at least one unit composed of a high refractive index layer and low refractive index layer on a substrate, and is characterized in that the refractive index difference between an adjacent high refractive index layer and low refractive index layer is at least 0.1, and said high refractive index layer contains at least one type of compound (A) selected from: 1) a rutile-type titanium oxide having a volume-average particle diameter of not more than 100 nm; 2) a water-soluble polymer; and 3) the following group of compounds. Group of compounds: a carboxyl group-containing compound, hydroxamic acids, pyridine derivatives

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.

A glass plate with infrared shielding layer that excels in visible light and radiowave transmissions, exhibiting low infrared transmittance, and that is applicable to regions requiring mechanical durability, such as automobile window glass; and a process for producing the same. There is provided a glass plate with infrared shielding layer characterized by having a glass substrate and, superimposed on a surface thereof, an infrared shielding layer composed of contiguously arranged first layer and second layer (first layer arranged on the side of glass substrate) wherein the first layer is a 0.2 to 2 [mu]m thick layer having ITO microparticles of = 100 nm average primary particle diameter bound to each other by means of a metal oxide matrix containing silicon oxide and titanium oxide while the second layer is a 0.02 to 0.3 [mu]m thick metal oxide layer containing silicon oxide and titanium oxide.

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 present invention provides a near-infrared reflective film and a near-infrared reflector provided with the same, which provide excellent manufacturing cost performance, can be used over large areas, exhibit excellent flexibility, and have high visible light transmittance. The near-infrared reflector is characterized in that, in an infrared film in which high refractive index layers and low refractive index layers are alternately laminated on a support body, the refractive index difference between adjacent high refractive index layers and low refractive index layers is at least 0.3, and at least one of the high refractive index layers and low refractive index layers contains a metal oxide and a polysaccharide thickener.

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.