240 results about "Surface brightness" patented technology

A liquid crystal display device which can make the surface brightness of an edge-light-type backlight uniform is provided. The liquid crystal display device includes a liquid crystal display panel and a backlight which radiates light to the liquid crystal display panel. The backlight includes a light guide plate which is arranged on a back side of the liquid crystal display panel, a light source arranged on an outer peripheral portion of a first main surface of the light guide plate which faces the liquid crystal display panel in an opposed manner, and a reflection sheet which is arranged on a back side of the light guide plate as viewed from the liquid crystal display panel. The light guide plate is made of a transparent resin having a refractive index of 1.53 or less. On a surface of the light guide plate opposite to the first main surface, a second main surface which is substantially parallel to the first main surface and a plurality of inclined surfaces which are inclined at a preset angle with respect to the second main surface are formed. An angle of the inclined surface positioned near a position at which light from the light source is incident and an angle of the inclined surface positioned remote from the position at which the light from the light source from the light source is incident differ from each other.

The invention provides a titanium-based amorphous brazing alloy foil strip for brazing and a preparation method for the foil strip. Components of the brazing alloy foil strip by percentage include 35-50% of Ti (titanium), 25-35% of Zr (zirconium), 10-24% of Cu (copper), 5-15% of Ni (nickel) and 0.5-8% of Co (cobalt). The method for preparing the brazing alloy foil strip includes the steps: weighing raw materials according to the proportion to prepare ingredients; placing the ingredients into a crucible and smelting the ingredients for at least three times in a high-purity argon state to obtain brazing alloy ingots; crushing the brazing alloy ingots and then placing the crushed brazing alloy ingots into a quartz tube; pumping a furnace chamber into high vacuum and then charging high-purity argon; turning on a copper roller power supply and setting the range of rotating speeds; and heating the quartz tube, spraying melts in the quartz tube onto a copper roller rotating at a high speed and forming the titanium-based amorphous brazing alloy foil strip under the condition of quenching. The brazing alloy foil strip has the advantages of surface brightness, uniformity of composition and the like, the negative effects of eutectic composition brazing alloy brittleness and over-high welding temperature on base metal can be avoided, and assembly and gap filling are easier when complex structural components are brazed.

A diffractive security element has a half-tone image comprising diffractive structures in a reflection layer, which are embedded in a layer composite between a transparent embossing layer and a protective lacquer layer. The half-tone image is divided into image elements of at least one dimension less than 1 mm, wherein the surface of each image element is divided up into a background field and an image element pattern. The proportion of the image element pattern to the surface of the image element determines the surface brightness of the half-tone image at the location of the image element. The background field has a first diffractive structure from which the image element pattern differs by its light-modifying effect. Pattern strips of a width of up to 0.3 mm additionally extend over the surface of the half-tone image. The pattern strips occupy a small proportion of the surface of the background fields and/or the image element patterns and produce coloured strips on the half-tone image.

The present invention discloses one kind of composite titania material and its prepare process and application. The composite titania material includes a carrier, a first coating layer and a second coating layer outside the first coating layer, and may have a third outmost layer. The first coating layer is one compact isolating layer to block the immigration of impurity elements in the carrier to the surface layer titania crystal lattice and to ensure the integrity of the titania crystal lattice; the second coating layer is functional layer of titania with high whiteness and high refractive index; and the third outmost layer can deactivate surface titania, eliminate the photocatalysis of titania and raise the weather resistance and surface brightness of the composite titania material. The composite titania material is used in filling and coating paper with greatly lowered added amount and thus lowered cost.

A high-lustre polypropylene material and its production are disclosed. The material consists of polypropylene resin 100 proportion, filler nanometer calcium carbonate 25-35 proportion, dispersant 0.5-1.5 proportion, cross-linking agent diisopropylzene 0.1-0.5 proportion, beta-crystal nucleation agent 0.1-0.5 proportion, and antioxidant 0.1-0.5 proportion. It costs low, has better toughness and surface brightness on surface.

The invention discloses an environment-friendly low-smell and spraying-free polyamide composition. The environment-friendly low-smell and spraying-free polyamide composition comprises the following components in parts by weight: 95-100 parts of polyamide, 0.01-5 parts of metal compound, and 0.1-6 parts of effect pigment. According to the environment-friendly low-smell and spraying-free polyamide composition, smell produced in the production process and/or formation process of nylon materials can be extremely reduced; the appearance defects, caused by smell, on spraying-free products, in particular the products emphasizing on appearance and surface aesthetic effects, can be extremely reduced. According to the abovementioned technical scheme, the metal compound is introduced, and the post-processing technology is carried out, so that the surface brightness of the spraying-free polyamide composition is greatly improved.

The invention discloses a UV facing decorative plate which comprises a base plate, a melamine impregnated paper layer pressed and solidified on the base plate, a UV paint coating for coating the outside of the melamine impregnated paper layer, and a mounting groove formed on the base plate. The manufacturing process thereof comprises the following steps: pressing and solidifying are performed; a melamine impregnated paper is pressed on the surface of the base plate through a hot press, and the melamine impregnated paper layer is pressed and solidified together with the base plate; the UV paint is applied as follows: the UV paint is applied to the surface of the base plate, on which the melamine impregnated paper layer is pressed; roller coating is performed to the UV paint for three times; then flow coating is performed to the UV paint; and the mounting groove is formed on the base plate. The UV facing decorative plate has the advantages that the melamine impregnated paper layer is pressed on the surface of the base plate, and the flow coating is performed to the UV paint, so that the surface brightness of the base plate is high, and the luster is full; the healthy and environment-friendly material can be recycled; the production process is simple and the operation is convenient; in addition, the UV coating on the surface is more suitable for the aesthetic habits of the easterners.

The invention relates to a steel wire quality adjusting method. It adopts single material continuously process to ensure the capability and structure stabilization. The inertia protecting atmosphere in the thermal process period makes the steel wire surface brightness and need not second align. The invention could be also used for the quality adjusting process for piston circle using steel.

A backlight inverter to light a plurality of CCFLs is provided which supplies a stable clamp current without influence of the CCFL temperature, and which stabilizes the LCD surface brightness immediately from the start of lighting the CCFLs, and a method of driving the backlight inverter is also provided. In a backlight inverter including a plurality of inverter transformers and adapted to light a plurality of CCFLs, two primary windings of each of the inverter transformers are connected in series to each other, and a resonant circuit is formed of a leakage inductance and capacitances at the secondary side of each of the inverter transformers, wherein the inverter transformers are operated at a frequency which is lower than an intermediate frequency between the series resonance frequency and the parallel resonance frequency of the resonant circuit, and which is higher than a frequency at which the phase characteristic curve has its peak.

The invention discloses a method for preparing a cobalt-based amorphous alloy wire, which comprises the following steps of: cutting mother alloy by using a copper roller with good heat-conducting property and continuously and rapidly drawing; realizing the continuous feed of the mother alloy by the matching of copper roller rotating linear speed and mother alloy feeding speed; meanwhile, continuously cooling the high-speed rotating copper roller by using a copper roller water-cooling technology; and maintaining the cutting surface of the copper roller at 30-50 DEG C all the time so as to obtain a continuous cobalt-based amorphous alloy wire with the diameter of 10-200 microns. In addition, the invention carries out the preparation process under the condition of argon protection, prevents oxidization in the forming process of the cobalt-based amorphous alloy wire and influence brought by the reaction of other cooling media, maintains the surface brightness, uniform performance and high roundness of the cobalt-based amorphous alloy wire and can be widely applied to the fields of an alternating current sensor technology and a magnetic sensor technology.

The invention discloses an object deformation measurement method in a high-temperature environment. Firstly, image acquisition on the condition of different optical attenuation rates is performed on an object with relatively large surface area brightness difference. Furthermore based on the image acquisition, an image series synthesis method on the condition of different optical attenuation rates is presented. Furthermore deformation information is acquired based on a synthesized image. The object deformation measurement method has advantages of eliminating an influence of overlarge object surface brightness difference in the high-temperature environment, realizing deformation measurement on the object with relatively large surface temperature gradient in the high-temperature environment, and settling a defect of incapability of performing deformation measurement on the object with relatively large surface brightness difference. The object deformation measurement method supplies an important reference basis for testing an engine, a nose cone and a leading edge of an existing high-supersonic-speed aircraft.

The invention discloses a high-luminous-efficacy high-power LED panel light. The panel light comprises a base plate, LED light bars, a reflector, a light guide plate, a power source and a panel. The base plate is in a square structure, arc warps are arranged at the edges of the square structure, a reflecting film is plated on the base plate, the reflectivity of the reflecting film is improved gradually form the edges to the middle, and high-reflectivity reflecting films are plated on the edge warp surfaces of the square structure to form reflectors. The LED light bars are integrated and packaged on aluminum substrates and arranged in front of the reflectors on the periphery of the base plate. The light guide plate is made of materials with scattering particles mixed and with the reflectivity approaches to the LED chip reflectivity and arranged on the base plate, the edges of the of the light guide plate are closely attached to the LED chips, and the light guide plate is fixed on the base plate through the panel and screws. The high-luminous-efficacy high-power LED panel light is uniform in light emitting surface brightness, good in radiation effect and high in light emitting efficiency.

The invention relates to an alloy graphite steel roll for a seamless steel tube continuous rolling machine and a preparation method thereof. The alloy graphite steel roll comprises 1.60-1.80% of C, 0.80-1.60% of Si, 0.60-1.20% of Mn, 0.80-1.50% of Cr, 1.00-2.00% of Ni, 0.40-0.80% of Mo, 0.20-0.40% of V, 0.20-0.40% of Nb, less than or equal to 0.03% of P, less than or equal to 0.025% of S, 0.05-0.10% of Re, and the balance Fe. The above components are subjected to smelting, slag removal, nodulizing and inoculation, then are subjected to pouring and are treated through a special heat treatment method, so that the wear resistance and heat crack resistant performance are improved. Meanwhile, graphite achieves the good lubrication effect. The service life of the roll is prolonged. The surface brightness of a rolled seamless steel tube is improved. Compared with existing pearlite ductile cast iron and needle-like bainite ductile cast iron rolls, the rolling quantity of the alloy graphite steel roll is increased by 80% or moe.

The invention discloses an anti-graffiti anti-sticking nano coating which comprises a base component and a curing component, wherein the ratio of the base component to the curing component is (0.5-5):(0.5-1.5); the base component comprises epoxy resin, (epoxypropoxy)propyl methyldiethoxysilane, phenyltrimethoxysilane, butanol and butyl acetate; and the curing component comprises a precursor, tetraethyl orthosilicate, deionized water, butanol and a catalyst. The embodiment of the invention also discloses a preparation method of the anti-graffiti anti-sticking nano coating. Through the invention, the nano coating realizes an excellent anti-graffiti anti-sticking effect, and has the characteristics of high permeability, high adhesive power, self-cleaning function, adjustable surface brightness, no pollution, low manufacturing cost, wide application range, low construction requirements and the like.

The invention discloses a preparation method of anion wall plates and floors capable of purifying indoor air. The preparation method comprises the steps of preparing materials, wherein polypropylene resin and a performance improving agent are weighed and put into a mixing machine; conducting heating and stirring, so that a material mixture is formed; raising the temperature of the material mixture, conducting stirring, and sending the material mixture into a cold mixing treatment machine for conducting slow stirring and temperature lowering; weighing other raw materials other than the polypropylene resin and the performance improving agent, and putting the materials into the mixing machine; conducting heating, raising the temperature, conducting stirring, and putting obtained materials into an extruder for pressure extrusion; and conducting cooling, traction and cutting on extruded sheets, so that finished products are obtained. The products manufactured through the method are high in surface brightness, free of clamminess, attractive in appearance, firm, durable, free of deformation, good in quality and wide in application scope and has good development prospect.

The invention discloses a silver ornament surface brightness five-layer electroplating technology, and relates to silver electroplating technologies, in particular to a five-layer electroplating technology for silver ornaments with brightness surfaces. The technology includes the following five steps that 1, the silver ornaments are treated before electroplating; 2, the silver ornaments are electroplated; 3, palladium is electroplated on the silver ornaments; 4, platinum is electroplated on the silver ornaments; and 5, aftertreatment is conducted on the electroplated silver ornaments. The technology solves the problems that the silver ornaments are low in durability, prone to oxidation and the like due to a silver ornament surface three-layer electroplating method in the prior art.

The invention discloses a method for repairing fatigue cracks by cold spraying. The method is mainly used in the initial stage of fatigue crack growth. The method mainly comprises the following five steps including steel structure surface brightness and cleanliness treatment, treatment of sandblasting on the surface of the front edge of a steel structure crack tip for improving roughness, weak defect treatment after sandblasting on the surface of the front edge of the steel structure crack tip, steel structure fatigue crack tip front edge surface cold spray metal particle deposition coating repairing and cold spraying deposition coating leveling and polishing. A coating is deposited on the surface of the steel structure by a certain thickness to improve the fracture toughness of a member,the crack growth rate is decreased, and the fatigue life of the steel structural member is prolonged. In a specific embodiment, the repair effect is good, operation is convenient, the environmental pollution is small, the energy consumption is low, and the method has obvious more economic benefits.

The invention belongs to the technical field of copper and copper alloy surface treatment, and particularly relates to copper and copper alloy surface cleaning liquid and a preparation method thereof.The cleaning liquid is mainly prepared from, by weight percent, 8% to 12% of 98% concentrated sulfuric acid, 70% to 75% of 30% hydrogen peroxide, 2% to 4% of an additive and 15% to 20% of a bright additive. The content of hydrogen peroxide in the cleaning liquid can reach up to 70% or above, the cleaning effect is good, and the copper and copper alloy surface brightness can be remarkably improved; and a copper material is smooth and flat in surface, ebulliency is not generated in the production process, high production safety is achieved, and the cleaning liquid is suitable for wide-range application and popularization.

The invention discloses a preparation method for a zinc-plated iron wire steel band. The preparation method comprises the following steps: (1) pretreating surfaces of an iron wire and a steel band; (2) performing electric arc spray coating; (3) performing surface brightness treatment; (4) performing silanization treatment. The preparation method for the zinc-plated iron wire steel band is convenient to operate; the technical process is simplified; pollution and risk which are caused by sulfuric acid and chromic anhydride are avoided, and waste liquid is not produced; the operation safety is enhanced, the zinc-plating quality is high, the corrosion resistance is high, the brightness is high, and the service lives of the iron wire and the steel band can be effectively prolonged.

The invention discloses a sea surface brightness temperature imaging simulation method based on a one-dimensional synthetic aperture microwave radiometer. The method comprises the following steps of:constructing initial background field data (frequency f, sea surface temperature Ts, seawater salinity S, incident angle [Theta], sea surface wind speed W, sea surface relative wind direction phi, atmospheric water vapor content V, cloud liquid water content L) to provide data support for sea surface brightness temperature imaging simulation; calculating the brightness temperature of the scene mode at the top of the atmosphere at different incident angles with a frequency of 6.9 GHz by using a microwave radiation transmission forward model according to the observation characteristics of the multi-incident angle of the one-dimensional synthetic aperture microwave radiometer; receiving a scene brightness temperature signal by the small antenna array of the one-dimensional synthetic aperturemicrowave radiometer to generate an electrical signal, and performing pairwise complex correlation on antenna output voltages to obtain a visibility function; and reconstructing a sea surface brightness temperature image by mathematical operations such as inverse Fourier transform. The method provides technical support for remote sensing sea surface temperature of satellite-bone one-dimensional synthetic aperture microwave radiometer.

The invention provides a scratch resistant and weather-resistant blending material with a high brightness and a metal texture. The blending material is characterized by being prepared from the following components in parts by weight: 40-60 parts of ASA resin, 40-60 parts of PMMA resin, 20-40 parts of SAN resin, 0.2-1 part of a metal pigment, 0.2-1 part of a processing aid, 2-5 parts of a compatilizer, 0.1-1 part of an antioxidant and 0.2-1 part of a weather resistant agent. The scratch resistant and weather-resistant blending material with the high brightness and the metal texture provided bythe invention is high in surface brightness, high in weather resistance in material, scratch-resistant in surface and obvious in metal effect.