577results about How to "Improve the coupling effect" patented technology

A white, single or multi-color light emitting diode (LED) includes a mirror for reflecting photons within the LED; a first active region, adjacent the mirror, including one or more current-injected layers for emitting photons when electrically biased in a forward direction; a second active region, adjacent the first active region, including one or more optically-pumped layers for emitting photons, wherein the optically-pumped layers are optically excited by the photons emitted by the current-injected layers, thereby recycling guided modes; and an output interface, adjacent the second active region, for allowing the photons emitted by the optically-pumped layers to escape the LED as emitted light.

A p well serving as a channel region of a MOSFET is formed on one side of an n⁻ layer and an n⁺ drain region is formed on the other side. Above the n⁻ layer, a plurality of first floating field plates are formed with a first insulating film interposed therebetween. A plurality of second floating field plates are formed thereon with a second insulating film interposed therebetween. Assuming that the thickness of the first insulating film is “a” and the distance between the first floating field plates and the second floating field plates in a direction of thickness of the second insulating film is “b”, a relation a>b is held.

An optical coupling system includes a first unit including a source of light or a first multi-core optical fiber, each of the source and the first multi-core optical fiber including at least a first aperture, a second unit including a second multi-core optical fiber including at least a second aperture corresponding to the first aperture of the first unit, and a lens array unit redirecting light between the first unit and the second unit, the lens array unit substantially matching light rays transmitted or received between the first aperture of the first unit and the corresponding second aperture of the second unit.

An electrical connector assembly (10) includes an insulating housing (12) and assembled thereto a plurality of terminal modules (30) and electrically conductive shields (60) therebetween. Each terminal module (30) includes an alternating pattern of first and second contacts (42, 44), the intermediate portions (50) thereof being formed at selected locations therealong such that the intermediate portions of the first contacts (42) are encapsulated in the insulating web (54) proximate a first side surface (32) and the intermediate portions of the second contacts (44) are encapsulated in the web (54) proximate the second major surface (34) of the module. In the assembled connector (10), the first contacts (42) are spaced more closely to shield (60) along surface (32) and the second contacts (44) are spaced more closely to shield (60) along surface (34) thereby assuring primary coupling between each signal contact (40) and a respective ground shield (60) rather than to an adjacent signal contact (40).

The invention discloses a track vehicle rim and tread flaw detection probe assembly system. The track vehicle rim and tread flaw detection probe assembly system comprises a tread flaw detection probe assembly and a rim flaw detection probe assembly. The tread flaw detection probe assembly leans on the tread of a wheel through a mechanical arm; the rim flaw detection probe assembly leans on the rim surface of the wheel through the mechanical arm; the tread flaw detection probe assembly can automatically detect wheel tread and rim defects from the tread in an online mode and is high in detection efficiency, accurate in detection result, simple in structure and convenient to use and operate; the rim flaw detection probe assembly can automatically detect wheel rim surface and tread detects from the inner lateral side of the rim in on online-mode and is high in detection efficiency, accurate in detection result, simple in structure and convenient to use and operate.

Coupling frames comprising a conductive (metal) surface with a slit (S) or non-conductive stripe (NCS) extending from an outer edge to an inner position thereof, and overlapping a transponder device. A coupling frame with slit for coupling with an inductive or capacitive device (inductor or capacitor) may be used at any ISM frequency band to concentrate surface current around the slit. The coupling frame can be tuned to operate at a frequency of interested by introducing a resistive, inductive or capacitive element. The resonance frequency of the coupling frame can be matched to that of the transponder chip module to achieve optimum performance. Coupling frames with or without a transponder device may be integrated, overlapping, stacked or placed adjacent to one another to enhance system performance. Multiple coupling frames may be electrically isolated from one another by the application of a dielectric coating such Diamond Like Carbon (DLC).

The invention discloses a compound material manufacture technology that uses modified nanometer kaolin to take place of nanometer montorillonite clay as antiflaming synergic action bulking agent. It contains matrix resin, fire retardant, antiflaming synergic action bulking agent, lubricant, and antioxidant; the matrix resin is the mixture of ethylene vinyl acetate copolymer, thermoplastic elastomer and grafting compound. The fire retardant contains three type fire retardants; and the antiflaming synergic action bulking agent is kaolin. The weight portions of the constituents are: 100 portions matrix resin, 100-140 portions fire retardant, 10-30 portions, 1-5 portions lubricant, 1-3 portions antioxidant. The invention has the advantages of low cost, easy technology, and excellent flame retardant property.

The invention discloses a dual frequency multiplexer by which a first and second coaxial harmonic oscillator type band pass filters are disposed in a box. The box includes a base body, a cover plate and a cover body. The two coaxial harmonic oscillator type hand pass filters are located on the base body and spaced each other by a metal plate; the multiplexer port, first and second ports are positioned on lateral side of the base body. The blocking capacitors are contained in the coaxial chamber of the two coaxial harmonic oscillator type band pass filters. The cover plate is secured on the base body; the first and second direct current circuits are placed on the cover plate; the low pass filters of the first and second direct current circuits are fixed on an edge of a top surface of the coaxial chamber by means of a support member; the cover body and the base body are fastened with each other. The blocking capacitors each are of distributed parameter capacitor. Utilization of distributed blocking capacitors makes the product of the invention small. Moreover, improvement of the structure of the invention brings effect such as less differential loss, large power capacity, as well as high isolation degree between circuits.

Embodiments of the present invention address aliasing problems by providing a plurality of discrete acoustic sensors along a cable whereby acoustic signals may be measured in situations where the fibre optic cable has not been secured to a structure or area by a series of clamps, as described in the prior art. Acoustic sampling points are achieved by selectively enhancing the acoustic coupling between the outer layer and the at least one optical fibre arrangement, such that acoustic energy may be transmitted selectively from the outer layer to the at least one optical fibre arrangement. The resulting regions of acoustic coupling along the cable allow the optical fibre to detect acoustic signals. Regions between the outer layer and the at least one optical fibre arrangement that contain material which is acoustically insulating further this enhancement since acoustic waves are unable to travel through such mediums, or at least travel through such mediums at a reduced rate.

The invention discloses a UWB (ultra wide band) array antenna, and mainly solves a problem that the bandwidth of a conventional array antenna is limited by the bandwidth of an antenna unit. The antenna comprises a dipole antenna array plate (1), a resistor-type frequency selection surface plate (2), a grounding plate (3) and a feed Balun (4). The antenna array plate consists of a plurality of dipole radiation periodic units, and each dipole radiation periodic unit comprises a dipole arm (111), a metal via hole (112) and a dielectric plate (113), wherein the dipole arms (111) are arranged on the upper and lower surfaces of the antenna array plate in a cross manner. The resistor-type frequency selection surface unit consists of a resistor paster and a dielectric plate, wherein the resistor paster consists of a square ring paster, a circular ring, and a rhombus paster. Through the close coupling between units, the reflection coefficient of the antenna at the band from 0.63GHz to 4.6GHz is less than or equal to -6dB, and the array bandwidth can be increased to 7.3 frequency multiplications. The antenna is used for FOPEN radars and through-the-wall imaging radars.

A display panel including a first plate, a second plate, and a spacer and a display medium between the first plate and the second plate is provided. The first plate has a first substrate, a scan line and a data line on the first substrate, an active device electrically connected to the scan line and the data line, a pixel electrode electrically connected to the active device, and a first common electrode electrically insulated from the pixel electrode and alternatively arranged with the pixel electrode. The second plate has a second substrate, a second common electrode on the second substrate and disposed corresponding to the first common electrode of the first plate, and a floating electrode electrically insulated from the second common electrode and disposed corresponding to the pixel electrode of the first plate.

The invention relates to a potassium niobate natrium series leadless piezoelectric ceramics and the manufacturing method. It is expressed by the general equation: (1-u)[(1-n)(LitNa1-w-t1Kw-t2)(Nb1-g-fTagSbf)O3+nBiMeO3]+uM. The invention has stable manufacturing technology and has great usefulness.

The invention discloses a superconductive microwave nanometer resonant cavity which comprises a dielectric substrate, two coplanar waveguide ground planes arranged on the same surface of the dielectric surface, a coplanar waveguide transmission line central conduction band line and a nanometer cavity, wherein the coplanar waveguide transmission line central conduction band line is arranged between the two coplanar waveguide ground planes, the nanometer cavity is arranged in areas of the coplanar waveguide ground plane and is arranged on the surface of the dielectric substrate, the line width of the nanometer cavity is of a hundred nanometer level, and an opening is formed in the edge, departing from the coplanar waveguide transmission line central conduction band line, of the nanometer cavity. The opening can reduce capacitance of a circuit formed by the nanometer cavity and the coplanar waveguide transmission line central conduction band line, so as to reduce capacitance coupling; the line width of the nanometer cavity is reduced, so that dynamic inductance is enhanced, high characteristic impedance is generated, and coupling capacity between the superconductive microwave nanometer resonant cavity and a quantum system is enhanced.

The invention relates to an off-grid integrated energy system double-layer planning method. The method comprises the steps of: obtaining renewable energy typical day data, cold, heat and electric loadhistorical data, equipment parameters in an integrated energy system, operation parameters and operation conditions of the integrated energy system; constructing a mathematical model of each energy supply device in the comprehensive energy system; according to the structure of the comprehensive energy system, constructing the double-layer optimization model of the comprehensive energy system, enabling the upper-layer optimization model to plan the system equipment capacity with the minimum total cost of the off-grid integrated energy system as the target, and enabling the lower-layer optimization model to optimize the system operation state with the minimum system load shortage as the target; and solving the double-layer optimization model to obtain the optimal capacity configuration result of the integrated energy system. An electricity-to-gas conversion device is applied to off-grid integrated energy system planning, the electricity-gas coupling performance is improved, the system cost is reduced, and the economy of the system is improved.

The invention relates to a parallel coupling method for a global system mode, belonging to the technical field of coupling of the global system mode. The parallel coupling method comprises the following three stages of: firstly, an initial coupling stage based on a subdomain mapping relation, wherein a running process in a given initial coupling stage is modified to generate a dynamic subdivisionand a parallel route which are based on an interpolation algorithm and used for parallel communication and parallel interpolation; secondly, a coupling operation stage which is based on subdomain mapping and is realized by correspondingly modifying running processes of the parallel communication and the parallel interpolation in a given coupling operation stage; and thirdly, a coupling end stage which adopts a given method. The parallel coupling method is based on the subdomain mapping and considers the parallel communication and the parallel interpolation of a coupler in a combined manner toeliminate a communication operation in the parallel interpolation process of the coupler, so that the communication frequency of an entire system is reduced. The parallel coupling method is applied to the coupler and aims to improve the coupling property of the global system mode.

An image pickup apparatus may include a wiring board; a frame member having a framework-like shape and disposed on the wiring board, an image pickup element disposed on the inner side of the frame member on the wiring board, and a transparent cover disposed on the frame member. The wiring board and the frame member may be attached to each other by thermosetting adhesive. The frame member may be made of a material which has a coefficient of thermal expansion lower than that of the wiring board and has a rigidity higher than that of the wiring board.

The invention provides a solar silicon wafer cleaning agent including 1 wt%-15 wt% of heterogeneous alcohol polyoxyethylene ether, 1 wt%-15 wt% of propanediol ether, 0.5 wt%-10 wt% of ethylene diamine tetraacetic acid tetrasodium salt, greater than zero and less than or equal to 10 wt% of an anionic surfactant, greater than zero and less than or equal to 20 wt% of a pH regulator, and the balance being water. The anionic surfactant and heterogeneous alcohol polyoxyethylene ether are adopted to compound, so that the cleaning agent has stronger cleaning ability; propanediol ether is selected as a solvent, and the kind of solvent is an organic solvent with low toxicity and no stimulation; meanwhile, ethylene diamine tetraacetic acid tetrasodium salt is also selected as a metal ion complexing agent, and copper, iron and other metal ions on the surface of a silicon wafer can be effectively removed; and finally, the pH regulator is selected to adjust the pH value of the cleaning agent, oil stains on the surface of the silicon wafer are effectively removed, and the cleaning effect is lasting and durable.

An integrated circuit common-mode electromagnetic interference filter incorporating electro-static discharge protection comprising two inductive coils is provided. A pair of primary and secondary spiral inductor coils is disposed corresponding to each other. A dielectric layer is used to separate the primary spiral inductor coil from the secondary spiral inductor coil electrically. Resistivity of a high-resistance substrate is more than 100 Ω-cm for supporting the primary spiral inductor coil, the secondary spiral inductor coil and the dielectric layer thereon. The proposed filter structure can be formed in integrated circuit (IC) back-end processes and thus be extraordinarily advantageous of effectively eliminating electromagnetic interferences and having electrostatic protection effect at the same time, while having small footprint.

The piezoelectric resonator according to the invention includes a tuning fork shaped part with two parallel vibrating arms, connected to each other by a linking part, from which protrude a central arm located between both vibrating arms of the tuning fork shaped part, the vibrating arms carrying first electrodes to make them vibrate, these electrodes being connected to connection elements carried by the central arm, wherein a slot has been cut within the linking part opposite to the central arm and wherein second electrodes have been arranged along said slot.

The invention discloses a biomimetic specific immune adsorption material with PAMAM (Polyamidoamine) as a spacer arm, and a preparation method and the application thereof. The preparation process comprises the following steps of: firstly, obtaining sepharose gel azide by reaction of agarose epoxide and sodium azide; preparing a series of PAMAM dendrimer-like polymers in different generations by repeated addition reaction with methyl acrylate and amination reaction with ethidene diamine; after preparing amino acid methyl ester hydrochloride with the amino acid as the raw material, modifying the PAMAM dendrimer-like polymers with the amino acid methyl ester hydrochloride to prepare the amino acid modified PAMAM; coupling the amino acid modified PAMAM with sepharose gel azide through a click reaction so as to obtain the biomimetic specific immune adsorption material with PAMAM as the spacer arm. The material disclosed in the invention is prepared by simple synthetic steps, and the preparation is safe; products have the characteristics of strong specificity, high adsorbing efficiency to the immunoglobulin and excellent regeneration performance, and can be used for IgG (immunoglobulin G) separation and clinical immune adsorption treatment.

The present invention provides a backlight module and a display apparatus. The backlight module comprises a light guide plate, a base, a first light emitting diode and a second light emitting diode. The base is disposed at one side of the light guide plate. The first light emitting diode is disposed on a first arrangement surface of the base. The second light emitting diode is disposed on the second arrangement surface of the base. The distance between the first light emitting diode and the bottom surface is longer than the distance between the second light emitting diode and the bottom surface. The present invention can improve color shifting defect and coupling effect of the light emitting diodes.