70results about How to "Improve light scattering performance" patented technology

A method for producing silicone fine particles is provided. The particle comprises a spherical fine silicone elastomer particle and polyorganosilsesquioxane particles attached to the surface of the spherical fine silicone elastomer particle. The polyorganosilsesquioxane particle has a particle size of 200 to 2,000 nm which is smaller than the spherical fine silicone elastomer particle. The method comprises the steps of adding an organotrialkoxysilane to water for hydrolysis, and adding spherical fine silicone elastomer particles having a volume average particle size of 0.5 to 100 [mu]m, an anionic surfactant, and an alkaline substance to the organotrialkoxysilane hydrolysate and allowing the mixture to stand to thereby promote condensation of the organotrialkoxysilane hydrolysate so that the polyorganosilsesquioxane is deposited on the surface of the spherical fine silicone elastomer particles.

The invention discloses a method for preparing a three-dimensional spherical anatase type TiO2 photo-anode, relating to a solar cell photo-anode. The method comprises the steps of: preparing a reaction water solution, wherein the reaction water solution contains 0.1-1M sodium hydroxide and 5wt%-30wt% of hydrogen peroxide; then, cleaning a titanium sheet, placing the cleaned titanium sheet in the reaction water solution, sealing the reaction water solution in a hydrothermal kettle for reaction, and then cooling to obtain light yellow precipitates; then, washing and filtering the light yellow precipitates, drying and sintering the light yellow precipitates to obtain three-dimensional TiO2 nanospheres; and mixing and stirring the three-dimensional TiO2 nanospheres, polyethylene glycol, deonized water and absolute ethyl alcohol to prepare slurry, cleaning and drying FTO electrocondcutive glass, coating a slurry layer on the FTO electroconductive glass, sintering and then carrying out TiCl4 treatment to obtain the three-dimensional spherical anatase type TiO2 photo-anode. The method is simple to operate, short in operation time, low in cost, remarkable in improving the performance of a dye-sensitized solar cell, and easy for industrialization.

The invention provides a stannic oxide (SnO2) membrane electrode material for a dye-sensitized solar cell and a preparing method thereof. A carbon sphere synthesized through a hydrothermal method is utilized as a formwork, alkali treatment is carried out on the carbon sphere formwork to enhance the adsorbing capacity of the surface layer of the carbon sphere formwork to stannic ions, meanwhile the concentration of precursor tin salt solution is regulated to prepare the stannic oxide multi-shell hollow sphere with two adjacent outmost shells, and the hollow spheres are utilized as the dye-sensitized solar cell electrode materials to increase transmission paths of light in the membrane electrode. The stannic oxide membrane electrode material has excellent light scattering capacity, improves the absorption rate of dye molecules to light and obviously improves the photoelectric converting efficiency of the dye-sensitized solar cell. In addition, the preparing method has certain universality. The Zno, TiO2, Co3O4, CuO and Fe2O3 multi-shell hollow sphere with the two adjacent outmost shells is prepared by changing metal precursor salt solution. The preparing method is convenient to operate, high in controllability and wide in application prospect.

An object of the present invention is to provide a coating composition capable of being easily formed by coating or the like, and a porous membrane and a light scattering layer which are excellent in heat resistance, surface smoothness and flexibility and have a high refractive index, a high light scattering property, and a high light transmittance, and further an organic electroluminescent element having the light scattering layer. It has been found that voids are formed inside a cured product obtained by curing a composition containing a polysilane, a metal oxide, and a solvent. The cured product having the voids formed therein has a light scattering property and therefore is applicable as a light scattering membrane.

A string light has multiple icicle-shaped bulbs, a controller and a connector assembly. The icicle-shaped bulbs are serially connected by a set of wires. Each icicle-shaped bulb has an icicle-shaped lamp holder shell, an elongated lamp strip and a cap assembly. The lamp holder shell has an irregular and rough surface and an opening. The lamp strip is mounted inside the lamp holder shell. The cap assembly is mounted on the opening of the lamp holder shell and has a set of through holes for the set of wires to penetrate into the lamp holder shell. Accordingly, light emitted from each icicle-shaped bulb is scattered irregularly to generate different illuminating effects when the icicle-shaped bulb is powered on and make the lighting variations of the entire string light more versatile and interesting.

A display device includes a first electrode disposed on a substrate; a pixel defining layer including first through third exposure areas, each exposing at least part of the first electrode; first through third organic light emitting layers disposed in the first through third exposure areas, respectively; a second electrode disposed on the first through third organic light emitting layers; a first capping layer disposed on the second electrode and overlapping upper surfaces of the first through third organic light emitting layers; a second capping member disposed on the first capping layer, does not overlap the upper surface of the first organic light emitting layer, and overlaps only a portion of each of the upper surfaces of the second and third organic light emitting layers; and an encapsulation layer covering the second capping member.

The invention discloses a large-area flexible film solar cell and a manufacturing method thereof. A disconnection protective film is treated to be velvet, and then each layer of a solar cell and a packaging layer are formed on the surface of the velvet disconnection protective film. The disconnection protective film is used as a carrier for manufacturing the flexible film solar cell on a rigid substrate. According to the method disclosed by the invention, the uniformity and controllability of stress distribution of the disconnection protective film can be well improved, the flatness and dimension stability of the disconnection protective film are largely improved, the light scattering coefficient of the disconnection protective film can be increased and the photoelectric conversion efficiency can be also improved.

A surface paper with a heat transfer label and a production method thereof are disclosed. The surface paper comprises a layer of original paper, at least a receiving layer is formed on one side or two sides of the original paper layer, and the receiving layer is composed of the following components in parts by weight: 100 parts of white pigment, 5 to 15 parts of adhesive agent, 10 to 20 parts of amorphous mat filling material, and 5 to 15 parts of paint made of hot-melt adhesive; wherein the solid content of the paint is 45% to 70%, the paint viscosity is 400 cps to 1000 cps, and the coating amount of the paint on the receiving layer is 1 g / m2 to 20 g / m2. Preferably, a thermal insulation layer is formed between the receiving layer and the original paper layer. The surface paper with a heat transfer label is obtained by preparing original paper and paint, coating paint on the surface of the original paper, and press-polishing the surface. The surface paper with a heat transfer label has the characteristics of simple preparation method and low cost.

The invention discloses a method for preparing flower-sphere-shaped light calcium carbonate by using ultra-fine ground heavy calcium carbonate as a seed crystal. The method comprises the following steps: adding the ultra-fine ground heavy calcium carbonate used as the seed crystal into calcium hydroxide concentrate slurry, performing mixing, introducing carbon dioxide, and performing a carbonization reaction to obtain the flower-sphere-shaped light calcium carbonate, wherein an addition amount of the ultra-fine ground heavy calcium carbonate is 0.5-2% of a mass of the flower-sphere-shaped light calcium carbonate. According to the method provided by the invention, the flower-sphere-shaped light calcium carbonate prepared by the method is grown and arranged in a radioactive spherical shape by using the ultra-fine ground heavy calcium carbonate seed crystal as a core, the structure makes the flower-sphere-shaped light calcium carbonate have high light scattering ability, and paper whiteness and opacity can be significantly improved; and in addition, due to the induction action of the seed crystal, the efficiency of carbonization is improved, covering of un-reacted calcium hydroxide isreduced, so that the flower-sphere-shaped light calcium carbonate has extremely-narrow particle size distribution, and the spherical particles give good rheological properties to the slurry.

A transparent electrode substrate in which a transparent electrode formed from a zinc oxide-based thin film is formed on a translucent insulating substrate, the zinc oxide-based thin film containing zinc oxide as the main component and at least one type of dopant element. The zinc oxide-based thin film has an uneven surface and a dopant element concentration gradient in which the concentration of the dopant element continuously decreases from the side of the translucent insulating substrate to the surface of the zinc oxide-based thin film. The concentration of the dopant element in the zinc oxide-based thin film is 1.5 atom % to 3 atom % in a region from the translucent insulating substrate to 50 nm inward in the thickness direction and is 0.2 atom % to 1 atom % in a region from the surface of the zinc oxide-based thin film to 300 nm inward in the thickness direction.

The invention is a kind of light board, which comprises a light entrance face which is used to receive the incoming ray, a end face opposite to the entrance face, a light reflection face for reflected light and intersects with the entrance face, several reflecting mesh spots on the reflection face and a light exit facet opposite to the reflecting face. The mesh spots include several optical scattering particles, which has several light reflecting facets. All the light reflecting facets can reflect the beams from side direction to mesh spots, the side direction light is emitted uprightly.

The invention discloses a large-area flexible thin film solar cell, comprising at least a release protective layer, a thin film solar cell layer system and a flexible carrier layer. The release protective layer is formed on the surface of a hard carrier in manufacturing, the thin film solar cell layer system with inner cascade is formed on the surface of the release protective layer; the flexible carrier layer is integrated with the thin film solar cell layer system; and the release protective layer contains metallic oxide powder. The large-area flexible thin film solar cell disclosed by the invention can not only improve the tensile strength and size stability of the release protective layer, but also improve transparency and light scattering capability of the release protective layer, thus further improving photoelectricity conversion efficiency.

The invention relates to a method for growing a ZnO-TCO thin film with a suede structure, which comprises the following steps of: taking a glass substrate as a substrate, a Zn-AI alloy target with the purity of 99.995% as a target raw material, and Ar gas as sputtering gas; introducing oxygen in the sputtering process, wherein the oxygen flow presents gradient change in the sputter coating cycle;and preparing the ZnO-TCO thin film with the suede structure by using a magnetic control sputter coating technology. The method has the advantages: compared with the ZnO-TCO thin film with the suede structure, obtained through the traditional sputtering technology, the thin film obtained through a gradient oxygen flow method has better transmission rate and maintains better electricity property; in addition, the suede structure of the thin film is obviously improved; and the ZnO-TCO thin film is applied to microcrystalline silicon thin film cells or amorphous silicon / microcrystalline silicon laminating thin film cells, and has the advantages of being capable of improving the light scattering function, prolonging the incidence optical length, effectively reducing the thickness of active layers, and increasing the efficiency and stability of Si-based thin film solar cells.

The invention discloses a high-flame-retardant low-gloss dynamically vulcanized thermoplastic elastomer material and a continuous preparation method thereof. The material is prepared from an ethylene-butylene elastomer, polypropylene, a cross-linking agent, lipophilic silicon dioxide, polyethylene wax, an assistant cross-linking agent, a halogen-containing flame retardant, a flame retardant aid, an anti-dripping agent, a lubricant and an antioxidant. According to the thermoplastic elastomer material, the impact resistance can be improved in the presence of the flame retardant, the flame retardant property is excellent, the V0 level can still be achieved under the condition that the thickness is 0.8 mm, the special lipophilic silicon dioxide and polyethylene wax are used for reducing the glossiness of the material, and the glossiness can be remarkably reduced. The production process of the dynamically vulcanized thermoplastic elastomer is low in energy consumption, greatly reduces the production cost, and is very suitable for large-scale process production.

The invention discloses a gradient hydrogen process grown ZnO-TCO thin film with a textured structure, which is prepared by using a glass substrate as a substrate, ZnO:Ga2O3 or ZnO:Al2O3 as a target material and Ar as a sputtering gas, introducing hydrogen in a sputtering process and varying the flow of the hydrogen in a gradient manner in a sputtering coating period and by a magneto-controlled sputter coating technique. The gradient hydrogen process grown ZnO-TCO thin film has the advantages that: compared with ZnO-TCO thin film with the textured structure, which is obtained by using the magneto-controlled sputter coating technique with normal hydrogen flow, the ZnO-TCO thin film with the textured structure, which is grown gradient hydrogen flow process, has higher transmissivity and better electrochemical property, and the textured structure of the thin film is improved obviously; and when the thin film is used in a microcrystalline silicon thin film cell or noncrystalline silicon cell / microcrystalline silicon tandem thin film solar cell, the light scattering effect is improved, the incident light path is increased, the thickness of an active layer is lowered effectively, and the efficiency and stability of a Si-based thin-film solar cell are improved.

The invention discloses a water-based hollow fluorine-silicon composite water-repellent and breathable textile finishing agent and a preparation method. A hollow fluorine-containing polyacrylate-siloxane composite polymer shell serves as the effective component of the textile finishing agent. The preparation method of the textile finishing agent mainly includes the three stages of firstly, preparation of an emulsification system; secondly, preparation of shell-core emulsion, wherein fluorine-containing monomers, acrylate monomers, unsaturated carboxylate monomers, organosilicone monomers and other functional monomers serve as raw materials, and the shell-core emulsion is obtained through a shell-core emulsion polymerization method under the action of an initiator, a buffering agent, an emulsifying agent and a defoaming agent; thirdly, hollowness treatment. According to the textile finishing agent, organosilicone monomers are introduced in a free radical polymerization mode to achieve crosslinking synergism with fluorine-containing monomers while the good water repellency of C-F long-chain polymer emulsion is maintained, and the water resistance, wash fastness and softness of textiles are improved; besides, due to the unique hollow structure of the textile finishing agent, the breathability is improved, the light scattering performance is also improved, and the cost is reduced.

The invention discloses a preparation method of a TiO2 cookie-like microsphere and a method for preparing a perovskite solar cell. The preparation method of the TiO2 microsphere comprises the following steps: after mixing acetonitrile, isopropanol and acetylacetone, dropwise adding tetrabutyl titanate and tetrabutyl ammonium hydroxide as a controlling agent, heating for 12 -20 hours at 160 DEG C -200 DEG G, precipitating, centrifugal washing and drying, and then high-temperature annealing to obtain TiO2 microsphere powder; mixing the obtained powder with P25 to prepare a slurry which is spin-coated on a FTO which has been coated with a compact layer and is served as a mesoporous layer of the perovskite solar cell; spin-coating MAPbI3 and Spiro-OMeTAD successively on the TiO2 film, and finally vapor-depositing a layer of Au. The TiO2 microsphere having a high specific surface area adopts a one-step hydrothermal method, the preparation process is simple and the cost is low; the preparedTiO2 film exhibits excellent conductivity and absorption effect on visible light; and the prepared TiO2 film is applied to the perovskite solar cell, thereby obtaining excellent photoelectric conversion efficiency, and providing the possibility to prepare large-area, low-cost and high-efficiency perovskite solar cells.

An alloy substrate (32) formed of an alloy of Ni and Mo is formed by electroforming. The alloy substrate (32) has a graded composition with an alloy composition varied in its thickness direction. In this case, the alloy substrate (32) on its lower surface side is mainly composed of Ni, and the alloy substrate (32) on its upper surface side is mainly composed of Mo. The alloy substrate (32) has on its upper surface a large number of minute pyramid-shaped concavoconvexes (37) with a high light scattering effect. A CIS optical absorption layer (33) is provided on the upper surface of the alloy substrate (32), and an upper electrode (35) is provided above the optical absorption layer (33).

The invention discloses a forming method of tin oxide with high quality. When an APCVD is used for making a low resistance with textures and highly transparent tin oxide films which are suitable for film solar cells, at first, a first layer tin oxide with textures and higher resistivity is deposited on a glass substrate, and then a second layer tin oxide with higher conductivity which is smooth itself is formed on the glass substrate. Compared with the traditional one-step formed tin oxide, the multi-step formed tin oxide is easier to satisfy various needs of film solar cells with high performance.

The invention discloses a stacked organic light emitting device and a preparation method thereof. The stacked organic light emitting device comprises an anode, a hole injection layer, a first hole transport layer, a first light emitting layer, a first electron transport layer, a charge generation layer, a second hole transport layer, a second light emitting layer, a second electron transport layer, an electron injection layer and a cathode which are sequentially stacked. The charge generation layer comprises a metal oxide layer, an n-type doped layer and a metal oxide doped layer which are sequentially stacked. The metal oxide layer can improve the electron transport rate. The n-type doped layer can provide electrons and holes at the same time, and improves the stability and light scattering effect of the charge generation layer. The metal oxide doped layer improves the hole transport rate, and meanwhile, the metal oxide is of an amorphous structure which can inhibit crystallization of polycrystalline hole transport materials and avoid the presence of electron traps. The invention further provides a preparation method of the stacked organic light emitting device.

The invention relates to the technical field of preparation of heat-insulating films, and discloses a film preparation process based on a reflective nano ceramic heat-insulating film. According to the invention, organic silicon resin, titanium dioxide powder, an ultraviolet absorbent, ceramic powder and the like are used as raw materials for mixed reaction. The invention further discloses the heat insulation film based on the reflection type nano ceramic and a spraying device. Wherein the selected titanium dioxide has a relatively high refractive index, so that the light scattering capability of the nano ceramic heat insulation film is improved, and the transparency and the heat insulation property of the coating are improved. 2-hydroxy-4-n-octyloxybenzophenone and 2 '-(2'-hydroxy-3 '-tert-butyl-5'-methylphenyl)-5-chlorobenzotriazole are used as ultraviolet absorbents, so that the purpose of blocking ultraviolet rays is achieved. And the nano ceramic powder has a nano-scale size, and has the advantages of good chemical stability and strong heat resistance.

The invention discloses an epoxy resin composition for a diffusion plate, a prepreg and a preparation method and application thereof. The epoxy resin composition for the diffusion plate comprises the following components in parts by mass: 40-80 parts of matrix resin, 5-15 parts of core-shell resin, 5-15 parts of organic particles, 10-30 parts of nanoscale filler, 0.1-0.3 part of a dispersing agent, 2-4 parts of a curing agent and 0.01-0.05 part of an accelerant. The optical properties of a prepreg and a diffusion plate which are further prepared from the epoxy resin composition for the diffusion plate prepared from the raw materials are remarkably improved, meanwhile, the mechanical properties are also greatly improved, and the epoxy resin composition has a good application prospect.

The invention relates to a reaction extrusion polymerization method of a functional acrylate resin, which comprises the following steps: dissolving acrylate resin monomer in modified resin at certain temperature, and adding modifying monomer and nano / micro inorganic modifying material to implement extrusion polymerization directly by monomer one-step reaction, thereby obtaining the high-performance functional acrylate resin. The invention avoids losing economical efficiency for production due to overlong retention time in the resin reaction extrusion polymerization, and overcomes the defects of high tendency of flash polymerization and difficulty in stable control in the route of reaction extrusion polymerization after monomer prepolymerization in the reaction kettle. The method has the advantages of high efficiency, low energy consumption, low cost, extremely low pollution, continuous production, no need of solvent recovery, very low equipment investment and the like; and the obtained product has the advantages of excellent transparency, excellent mechanical properties, surface scratch resistance, different light scattering rates and the like.

The invention discloses a matt coated paper preparation method, and relates to the technical field of coated paper. The matt coated paper preparation method comprises the following steps: (1) raw paper preparation, (2) coating preparation, and (3) coating. The matt coated paper is not glaring during reading, difference between gloss of a printed product and gloss of paper is large, thus, high quality of the printed product is highlighted, images and texts are bright in color, and the printing adaptability is good.

The invention discloses a flip LED chip. The flip LED chip comprises a substrate, an epitaxial layer, a transparent conductive layer, a variable transparent curve-surface layer, a reflection layer, aninsulation layer, a first electrode and a second electrode, wherein the epitaxial layer is arranged on the substrate, the transparent conductive layer is arranged on the epitaxial layer, the variabletransparent curve-surface layer is arranged on the transparent conductive layer, the reflection layer is arranged on the variable transparent curve-surface layer, the insulation layer is arranged onthe reflection layer, a contact surface of the variable transparent curve-surface layer and the reflection layer is a convex curve surface, and the variable transparent curve-surface layer is made ofa transmitting material of which the reflective index is larger than that of air. Correspondingly, the invention also provides a fabrication method of the flip LED chip. By arranging the variable transparent curve-surface layer between the transparent conductive layer and the reflection layer, the light giving-out efficiency of the chip is improved.

A polymer particle coated with silica comprising: a polymer particle derived from a polymerizable vinyl-based monomer; and a silica film covering the polymer particle, which makes a surface of the polymer particle expose so that an aperture ratio of 0.1 to 1 is possessed and a height h of the silica film and a diameter D of the polymer particle coated with silica have a relationship of 0.5<=h / D<1, wherein the silica film includes a polyalkoxysiloxane oligomer condensate.

The purpose of the present invention is to provide a silicone rubber particle having a higher light scattering property which can be expected to provide makeup cosmetics such as a foundation with a higher soft focus effect, and a method for preparing the same. The present invention provides a silicone composite particle composed of a silicone rubber particle and a polyorganosilsesquioxane, wherein the silicone rubber particle has plural dents on its surface and said polyorganosilsesquioxane adheres to the surface of the silicone rubber particle. Further, the present invention provides a method for preparing the silicone composite particle, wherein the method includes steps of subjecting organotrialkoxysilane to a hydrolysis and subsequent condensation in the presence of water, an alkaline substance and a silicone rubber particle containing therein a liquid to thereby have a resultant polyorganosilsesquioxane adhered to the surface of the silicone rubber particle, and subsequently removing the liquid.

The purpose of the present invention is to provide a silicone rubber particle having a higher light scattering property which can be expected to provide makeup cosmetics such as a foundation with a higher soft focus effect, and a method for preparing the same. The present invention provides a silicone composite particle composed of a silicone rubber particle and a polyorganosilsesquioxane, wherein the silicone rubber particle has plural dents on its surface and said polyorganosilsesquioxane adheres to the surface of the silicone rubber particle. Further, the present invention provides a method for preparing the silicone composite particle, wherein the method includes steps of subjecting organotrialkoxysilane to a hydrolysis and subsequent condensation in the presence of water, an alkaline substance and a silicone rubber particle containing therein a liquid to thereby have a resultant polyorganosilsesquioxane adhered to the surface of the silicone rubber particle, and subsequently removing the liquid.

A flexible linear light emitting element to be flexibly bent along the shape of an object to be decorated or to be bent in accordance with a linearly represented decorative letter or decorative pattern of any kind and to excel in light emitting performance such as luminance as well as a method of producing the same. The optical fiber type linear light emitting element includes a bar-shaped extrusion-molded article in which a clad layer made from a fluorine resin is integrally formed over the periphery of a cored layer made from an acrylic thermoplastic elastomer; and a block copolymer of methyl methacrylate and butyl acrylate or a block copolymer of methyl acrylate and butyl acrylate, the flexural modulus of elasticity (according to ASTM D790) of the copolymers ranging from 50 to 500 MPa, is adopted for the material of the cored layer.