89results about How to "Efficient reflection" patented technology

To provide a thin light box employing a light source of strong directivity such as an LED, or a light box in which occurrence of unevenness in surface illuminance is suppressed even when the number ofLEDs is reduced by a factor of 4-9 as compared with prior art. ¢MEANS FOR SOLVING PROBLEMS! The light box (1) comprises a plurality of spot light sources (4), and a light reflector (21) having recesses (22) surrounding the spot light sources (4), respectively. The spot light sources are inserted into insertion holes (23) formed in the bottom of the containing recesses (22), respectively. When theincident angle of light exiting the spot light source (4) is 0 DEG and the spot light sources (4) are spaced apart by 350 mm, the illuminance is 15000 cd / m<2> or less and the light exiting the spotlight source (4) is reflected partially or entirely on the inner surface of the containing recesses (22) before offering illumination.

Disclosed is a reflective anode electrode for an organic EL display, which comprises a novel Al-based alloy reflective film. The reflective anode electrode is capable of assuring low contact resistance and high reflectance even in cases where the Al reflective film is in direct contact with an oxide conductive film such as an ITO or IZO film. In addition, when the Al reflective film is formed into a laminated structure together with the oxide conductive film, the work function of the surface of the upper oxide conductive film is equally high with the work function of a laminated structure that is composed of a general-purpose Ag-based alloy film and an oxide conductive film. Specifically disclosed is a reflective anode electrode for an organic EL display, which is formed on a substrate and characterized by comprising a laminated structure that is composed of an Al-based alloy film containing 0.1-6% by atom of Ag and an oxide conductive film that is formed on the Al-based alloy film so as to be in direct contact with the Al-based alloy film

A transflective FPD device is provided. The transflective FPD device includes a liquid crystal layer and a transflective layer, the transflective layer including a plurality of reflective domains and a plurality of transmissive domains. The reflective domains are adapted for reflecting ambient lights, while the transmissive domains are configure for allowing backlight to pass therethrough. Each of the reflective domains has a plurality of reflective nano-particles distributed therein, thereon and / or thereunder for enhancing the reflecting ability thereof. The reflective domains are usually configured in a given pattern having either a long-distance or a short-distance order.

The present invention discloses a pipeline operation state detection and assessment system and method. The system comprises a data collection center, a state assessment center and an information feedback center. The data collection center mainly comprises a sensor system, a GIS cloud service system and a historical data service system. The data collection center is mainly configured to collect real-time operation work condition data, historical fault data and geographic space data of a pipeline. The state assessment center mainly comprises a database system, an ARM core processor and an assessment center, and is mainly configured to perform real-time assessment and analysis of the operation work condition of the pipeline and publish an assessment result to an information feedback center. The information feedback center mainly comprises an alarm system, a client terminal and a historical data generation system, and is mainly configured to perform real-time feedback of fault alarm and information. The pipeline operation state detection and assessment system and method can perform real-time detection of the operation work condition of the pipeline, can perform intelligent assessment and analysis of the operation work condition and can be widely applied to operation detection assessment of various pipelines.

The invention discloses a heat-insulation imitation stone paint for exterior walls, which comprises the following components by weight: 5-9 parts of deionized water, 0.1-0.2 parts of cellulose thickener, and mineral oil defoamer 0.05-0.15 parts, 0.05-0.15 parts of wetting agent, 0.05-0.15 parts of propylene glycol, 0.1-0.5 parts of nano-silver antibacterial agent, 0.3-0.7 parts of silicone water repellent, 0.05-0.15 parts of lauryl alcohol ester, nano-TiO2 photocatalyst 2-6 parts of colloid, 1-3 parts of nano-zirconia dispersion, 10-14 parts of silicone acrylic emulsion, 2-5 parts of polyurethane modified elastic emulsion, 1-5 parts of inorganic potassium silicate, 2-2 parts of PU thickener 5 parts, 45-55 parts of reflective sintered colored quartz sand, 10-20 parts of reflective sintered colored ceramic hollow microspheres. The invention has the effect of realistic imitation of natural stone, efficient near-infrared reflection performance, good heat insulation, rich colors, good self-cleaning performance, long-lasting heat insulation, good water resistance, good crack resistance, light weight and long coating life Long, wide applicability, with excellent economy.

The invention provides a filtering radome. The filtering radome comprises a filtering assembly, and the filtering assembly comprises a dielectric layer and two structural bodies, of metamaterials, arranged opposite to each other in the external or internal surface of the dielectric layer. Each structural bodies of metamaterials comprises a substrate, first resonators and second resonators; the substrate includes a first surface and a second surface opposite to the first surface; the first resonators are arranged in the first surface in an array, and each first resonator comprises a first resonator microstructure; the second resonators are arranged in the second surface in an array, and each second resonator comprises a second resonator microstructure; and each second resonator is oppositeto one first resonator and coupled to the first resonator mutually. Thus, electromagnetic waves within the working frequency band can be transmitted in high efficiency, and electromagnetic waves beyond the working frequency band can be reflected in high frequency.

An object of the present invention is to provide a light-emitting device in which the light-acquisition efficiency of a light-emitting element is less likely to be lowered even if a resin substrate having good thermal conductivity is used. The first aspect of the present invention is characterized by comprising a resin substrate 14 having a thermal conductivity of 1.0 to 9.0 W / m·K, a white insulating layer 15 provided on the resin substrate, and a circuit pattern provided on the insulating layer. Layer 16, light-emitting element 13 disposed on the insulating layer and electrically connected to the circuit layout layer.

The invention discloses a Linux network card driving controller of a dual-network redundant Ethernet controller. The Linux network card driving controller comprises a system bus protocol control module, a control status register module, a receiving transmission control module, a receiving data buffer zone, a redundant channel switching control module, and a MAC protocol control module. The systembus protocol control module is configured to receive a system bus and is connected with the control status register module and the MAC protocol control module; the control status register module connected with the receiving data buffer zone and the redundant channel switching control module by the receiving transmission control module is used for receiving and sending a GMII interface signal; andthe MAC protocol control module connected with the control status register module and the receiving transmission control module is used for receiving and sending an MII interface signal through a first PHY management module to realize MAC layer protocol control during data communication. According to the invention, the Linux network card driving controller has the high reliability; and accurate and efficient allocation, utilization and recycling of the memory resource buffer zones and descriptors are realized.

The invention discloses a thin film piezoelectric sonic sensor. The thin film piezoelectric sonic sensor comprises a substrate layer, a ground electrode layer and a piezoelectric layer which are arranged in a laminated mode, and one or more transducers are arranged on the side, away from the ground electrode layer, of the piezoelectric layer; and photonic crystals at least formed in the piezoelectric layer are correspondingly arranged on the two sides of the transducers, and the resonant frequency of the thin film piezoelectric sonic sensor is located in band gaps of the photonic crystals. According to the thin film piezoelectric sonic sensor, the photonic crystals are at least arranged on the piezoelectric layer, the mechanical vibration stability of the piezoelectric layer is improved, the sonic wave reflectivity is improved, the energy loss of sonic wave transmission is lowered, and the quality factor of the sensor is improved. The invention discloses a photonic crystal. The photonic crystal comprises a matrix and a scatterer formed on the matrix, the matrix is formed by at least two media layers in a laminated mode, and materials of any one of the media layers are different from those of other media layers. According to the photonic crystal, the sonic wave energy loss can be effectively reduced, and the quality factor of the sensor can be effectively improved when the photonic crystal is applied to the thin film piezoelectric sonic sensor.

The invention provides a method of a gravel grading design for a high-speed rail subgrade. The method comprises the following steps: respectively screening gravels in different particle diameters by virtue of sieve pores; determining the mixing amount of second-grade aggregates according to the change rule of a CBR value by taking the gravels with the particle diameter of 16 as first-grade aggregates and the gravels with the particle diameter of 19 as the second-grade aggregates; adding third-grade aggregates into the optimally-proportioned mixed aggregates of the first-grade aggregates and the second-grade aggregates by taking the gravels with the particle diameter of 26.5 as the third-grade aggregates, and determining the mixing amount of the third-grade aggregates by measuring the change rule of the CBR value; respectively determining the optimal mixing amount of fourth-grade gravel aggregates with the particle diameter of 13.2, fifth-grade gravel aggregates with the particle diameter of 9.5 and sixth-grade gravel aggregates with the particle diameter of 4.75 by adopting the same method; finally determining the mixing amount of the gravels with the different particle diameters in the coarse aggregates; determining the grading of fine aggregates according to a theoretical calculation method based on a K value; mixing the theoretically-calculated fine aggregates with the coarse aggregates, and carrying out a CBR test on the mixed aggregates so as to determine the grading of the coarse aggregates and the fine aggregates. The method can be used for efficiently, visually and accurately reflecting the basic performance of the graded gravels taken as the subgrade so as to provide a necessary guarantee for construction quality and engineering safety.

The invention discloses a walking detection method based on FFT. A sensitive axis detection is carried out for x, y and z triaxial angular velocity under a smart phone device coordinate system, spectrum analysis processing is carried out for an angular velocity data corresponding to the sensitive axis, and amplitude mean value is calculated in order to determine relations of the two; an amplitudecurve is fitted, walking frequency of human is calculated, total step numbers of continuous walking at present of a pedestrian is calculated by using a walking time, time window is slid forward, and execution is repeated. Unstabilization factors of a coordinate system are considered, and walking motion of the pedestrian can be more sensitively, accurately and rapidly detected.

The invention discloses a long-acting high-brightness light-reflection sheet and a preparation method thereof. The light-reflection sheet comprises a base layer and a light-reflection layer coating the surface of the base layer. The outer surface of the light-reflection layer is also coated with a fluorescent layer comprising noctilucence microcapsules. The preparation method comprises carrying out aluminium evaporation on the base layer to form the light-reflection layer; coating the surface of the light-reflection layer with transparent resin comprising the noctilucence microcapsules to form the fluorescent layer; and coating an antioxidation film protection layer on the fluorescent layer. Through adding the fluorescent layer to the light-reflection surface, the light-reflection sheet is allowed to store optical energy and can release bright visible light for a period after entering an absolute black environment, and thus the light-reflection sheet is wider in suitable application range.

The invention provides a method for determining the influence range of abnormally high values of sampling points of soil heavy metal content in a mining area, and belongs to the technical field of environmental assessment of a mining area. The method includes the steps of extracting abnormally high value points from various heavy metal content data of each sampling point by using a three-fold standard deviation method, and respectively generating Voronoi diagrams of all sampling points and the abnormally high value points; taking the sampling points having the common Voronoi edges with a Voronoi polygon where the abnormally high value points are located as first-order neighboring points of the corresponding abnormally high value points; determining a dynamic buffer radius of each abnormally high value point according to a heavy metal content attenuation coefficient; and taking the intersection of the abnormally high value point Voronoi diagram and a buffer taken as the influence rangeof the abnormally high value points. The method of the invention retains the influence of the abnormally high value points on the soil heavy metal content in the local area nearby, also avoids the mutual interference between the influence areas of different abnormal high value points, effectively improves the spatial interpolation precision of the soil heavy metal content and more accurately reflects the soil heavy metal pollution near the mining area.

The invention relates to a reflective broadband 1 / 4 wave plate. The reflective broadband 1 / 4 wave plate comprises a substrate (5); an alumina film (4), a silver film (3), an alumina film (2) and a silicon oxide film (1) are orderly formed on the substrate (5) in a plating way; a rectangular groove grating is etched out in the silicon oxide film (1); the period of the grating is 1178-1188nm, the etching depth is 2517-2527nm, and the duty ratio is 0.255. Compared with the prior art, the reflective broadband 1 / 4 wave plate can be manufactured by use of the optical holographic recording technology or an electron beam direct writing device in combination with the micro-electronic deep etching process and the coating technology, is highly available in raw materials, low in manufacturing cost, and has important practical prospect.

The invention provides an ultraviolet light emitting diode with an inverted structure, which comprises a substrate, an AlN nucleation layer, an un-doped AlN or AlaGa1-aN buffer layer, an n-type AlbGa1-bN region, an AlcGa1-cN-AldGa1-dN multi-quantum well active region, a BN electronic barrier layer, an AleGa1-eN-BN Bragg reflector structure p-type region, a heavily-doped p-type GaN layer, an ITO conductive layer, a p-type ohmic electrode arranged on the ITO conductive layer and an n-type ohmic electrode arranged on the n-type AlbGa1-bN layer sequentially from bottom to top. The n-type ohmic electrode and other regions except the n-type AlbGa1-bN layer are insulated. According to the ultraviolet light emitting diode with an inverted structure, the light emitting efficiency of the ultravioletLED can be effectively improved, and the threshold voltage and the resistivity of the ultraviolet LED can be greatly reduced.

The invention relates to the technical field of outdoor tents, and discloses an inflatable outdoor tent with a heat insulation function convenient to fix and unfold. The inflatable outdoor tent with the heat insulation function convenient to fix and unfold comprises an outdoor tent body, an air inflation channel is fixedly installed on the right side of the outdoor tent body, ventilation windows are movably connected to the left side and the right side of the outdoor tent body through zippers, stabilizing rods are movably connected to the left side and the right side of the opposite sides of two connecting bases, and front faces and back faces of the left side and the right side of the outdoor tent body are each fixedly connected with a first bearing pedestal. According to the inflatable outdoor tent with the heat insulation function convenient to fix and unfold, the outdoor tent body is unfolded, the stress area during fixing is increased, a user can conveniently fix the outdoor tentbody, the fixing is stable, the outdoor tent body is prevented from being unfolded and scraped away by strong wind, the efficiency during fixing is improved, manpower and material resources are saved,the inflatable outdoor tent is convenient to use, and the inflatable outdoor tent is suitable for various situations.

A transflective FPD device is provided. The transflective FPD device includes a liquid crystal layer and a transflective layer. The tansflective layer includes a matrix made of a transparent material and a plurality of reflective nano-particles. The reflective nano-particles are configured for reflecting ambient light and are dispersed uniformly and randomly in the entire matrix. The transflective layer is adapted for reflecting ambient lights, and as well as for allowing backlight to pass therethrough.

The invention discloses composite heat-insulating paint for exterior walls and a preparation method of the composite heat-insulating paint. The composite heat-insulating paint is prepared from purified water, an inorganic dispersing agent, a defoaming agent, texanol ester alcohol, rutile titanium dioxide, nano-titanium silicate microporous powder, porous expansible microspheres, infrared reflection nano-pigment, a self-crosslinking fluorocarbon emulsion, a photocured elastic emulsion, a macromolecular porous polymer, a nano-zirconium dioxide dispersing agent, a nano-titania colloid, a nano-silica solution, a nano-silver antibacterial agent and a PU thickening agent. The heat-insulating paint has efficient heat radiation reflection performance, good heat insulation and self-cleanness, lasting heat, good decorative performance, wide applicability and great environment friendliness, and a coating is long in service life.

A light emitting device of the present invention includes a first conductive film, a second conductive film, a half-etching hole, a light emitting element, through-hole electrodes, conductive metal layers, metallic wires and a transparent protective resin. The first conductive film is thick, and is provided on one main surface of an insulative substrate. The second conductive film is thin, and is provided on an opposite main surface of the insulative substrate. The half-etching hole is provided in the first conductive film. The through-hole electrodes connect the first conductive film with the second conductive film. Light emitted from the light emitting element is reflected by the conductive metal layer provided on a curved surface of the half-etching hole. Moreover, the conductive metal layers are bonded with the metallic wires, respectively.

The invention relates to a preparation method for a polyester fiber with efficient performance of light absorption and heat emission. CuFe2O4@SiO2 powder, polyether and polyester reaction materials are mixed and treated successively by an esterification reaction, condensation polymerization and melt spinning, so that the polyester fiber with the efficient performance of light absorption and heat emission is obtained; the CuFe2O4@SiO2 powder is of a core-shell structure, wherein a nuclear layer is CuFe2O4, and a shell layer is SiO2; and an abnormal-shaped hollow spinneret plate is used in meltspinning. The preparation method provided by the invention has the beneficial effects that a technology is simple, modified production can be conducted on an existing device, cost increase is less, and the method is applicable to large-scale production; and compared with a conventional polyester fiber, the fiber prepared finally is good in the performance of light absorption and heat emission, good in mechanical performance and good in electric conduction performance, and a fabric obtained through further processing is good in thermal insulation performance.

The invention relates to a pavement body which is laid and hardened on a road floor or a roadbed. The pavement body has a paving matrix. Coating materials are coated on the surface of paving matrix. The coating materials have at least black pigment containing perylene, white pigment and pigment development.

The invention relates to a butterfly directional antenna used for a borehole radar, and belongs to the design field of the borehole radar. The butterfly directional antenna comprises a metal butterfly antenna sheet whose tail ends are arched, a dielectric material casing, an arched reflecting plate, tail end loaded resistor and capacitor, a coaxial feed line and an air through hole; the dielectric material casing is cylindrical, the butterfly antenna sheet is buried in the physical center, and the resistor and capacitor loaded in the tail end and connected in series are connected to the arched reflecting plate; the arched reflecting plate is arranged in the side surface of the dielectric material casing, and conformal with the casing; the air through hole penetrates two end surfaces of the dielectric material casing, and serves as a wire through channel; and the coaxial feed line is connected to a feed port of the metal butterfly antenna sheet. The antenna of the invention is small in the total size, adapted to the borehole shape, wide in the working frequency band, capable of matching a signal source, and is high in waveform and orientation.

The invention relates to an infrared-reflection nanometer titanium dioxide powder coating and a preparation method thereof. The powder coating comprises, by mass, 30-40% of an infrared-reflection nanometer titanium dioxide composite material, 25-30% of thermosetting acrylic resin, 25-30% of thermosetting polyester resin, 5-10% of blocked diisocyanate, 1-2% of a leveling agent and 0.5-1% of an antifoaming agent. The preparation method comprises the following steps: A, adding nanometer raw materials into a stirrer to obtain the infrared-reflection nanometer titanium dioxide composite material; B, adding the thermosetting acrylic resin, the thermosetting polyester resin, the blocked diisocyanate, the leveling agent and the antifoaming agent into the stirrer, carrying out high-speed stirring in the stirrer, and then adding the composite material obtained in step A to obtain a mixture; C, adding the mixture into a twin-screw extruder, and granulating and cutting the mixture to obtain masterbatches; and D, crushing and sieving the master batches to obtain the infrared-reflection nanometer titanium dioxide powder coating. The infrared-reflection nanometer titanium dioxide powder coatingcan efficiently reflect solar infrared heat radiation, and meets the requirement of long-term outdoor natural environment erosion.

The invention provides an excimer lamp, wherein an ultraviolet reflection membrane is capable of transmitting the infrared light and the temperature difference of a discharging container and the ultraviolet reflection membrane is reduced and the ultraviolet reflection membrane is prevented from being peeled and the radiation amount of the excimer light is kept at preset range for long time. The excimer lamp (10) comprises: a discharging container (11) formed by silicon dioxide glass with discharge space and a pair of electrodes (12, 13) in the silicon dioxide glass of the discharging container (11) wherein the discharge space (S) is filled with xenon-133 gas and the excimer discharge happens in the discharge space (S). Exposed on the inner surface of the discharging container (11) of the excimer discharge, the ultraviolet reflection membrane is composed of ultraviolet scattered particles containing silicon dioxide particles and the transmissivity is more than 10% when the light of wavelength 4560nm transmits the ultraviolet reflection membrane and the transmission thickness is 1mm.

The invention provides a filtering antenna cover. The filtering antenna cover comprises a filtering assembly, wherein the filtering assembly comprises a dielectric layer and a superjunction structuralbody, the superjunction structural body is arranged on an inner surface or an outer surface of the dielectric layer, the superjunction structural body comprises a substrate, a plurality of first resonators and a plurality of second resonators, the substrate is provided with a first surface and a second surface which are opposite to each other, the plurality of first resonators are arranged on thefirst surface in an array way, each first resonator comprises a first resonant body microstructure, the plurality of second resonators are arranged on the second surface in an array way, each secondresonator comprises a second resonant body microstructure, and each second resonator and each first resonator are opposite to each other and are coupled to each other. By the filtering antenna cover,high-efficiency transmission of an electromagnetic wave in a working band and high-efficiency reflection of an electromagnetic wave outside the working band can be achieved, meanwhile, the filtering antenna cover is simple in structure and is easy to fabricate, and the fabrication cost is further reduced.

In a photovoltaic module (1) comprising a plurality of electrically interconnected solar cells (2) embedded in an encapsulation film (5) at least on one side and arranged at a distance from one another, and, if appropriate, a rear-side film (6) and a light-transmissive cover plate, light-guiding films forming prism-like structures (4) are integrated in regions of the photovoltaic module (1) that are free of solar cells (2) and the prism-like structures (4) and complementary air and gas pockets (8) are arranged alternately. The prism-like structures (4) of the light-guiding films are arranged in such a way that light impinging on the light-guiding, prism-like structures (4) is guided in the direction of the solar cells (2). An encapsulation film (5) is arranged on both sides of the solar cell and the light-guiding film forming prism-like structures (4) is arranged within the encapsulation film (5), and the light-guiding films forming prism-like structures (4) are covered, if appropriate, by a transparent polymer film (6, 12).

The invention relates to the technical field of photovoltaic glass, in particular to an antireflection film layer for photovoltaic glass, a preparation method of the antireflection film layer and a solar cell module, and the antireflection film layer comprises an antireflection main layer arranged on a glass substrate and an antireflection auxiliary layer arranged on the antireflection main layer; the antireflection main layer comprises nano silicon dioxide dispersoid, hollow silicon dioxide particles, a pore-forming agent and a solvent; the antireflection auxiliary layer comprises fluorine-containing resin, a curing agent, nanoscale inorganic particles and an organic solvent; according to the invention, the antireflection auxiliary layer contains resin with a fluorine-containing structure, and due to the existence of fluorine atoms, the surface of the antireflection film layer has excellent water resistance and moisture resistance, so that pollutants or greasy dirt and the like in the environment are prevented from entering the antireflection film layer or directly adhering to the surface of the film layer due to an open pore type structure on the surface in a traditional antireflection film layer system with a single-layer structure, and the solar ray transmittance is not reduced.

The present application provides a simulation modeling method and device for unconventional emergencies. The method comprises the following steps: acquiring a first attribute of a bearing entity, acquiring a second attribute of an external factor that can influence the development of the bearing entity, acquiring a changing relationship of the first attribute with time, and acquiring an association relationship between the first attribute and the second attribute, wherein there are a plurality of first attributes and a plurality of second attributes; determining a state variable, a rate variable, an auxiliary variable and an exogenous variable according to the first attribute and the second attribute; according to the time-varying relationship of the first attribute and an association relationship between the first attribute and the second attribute, constructing the state variables, rate variables, exogenous variables and auxiliary variables, and generating a simulation model of unconventional emergencies. Embodiments of the present application can efficiently and dynamically reflect unconventional emergencies through dynamic simulation modeling, and cross-disciplinary and cross-disciplinary dynamic simulation research on unconventional emergencies evolution intervention can be carried out.