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22results about How to "Increase overlap" patented technology

Synthesis method and application of non-fused ring electron acceptor

PendingCN121949276Aappropriate atomic radiusincrease overlapOrganic chemistryPhotovoltaic energy generationOrganic solar cellChemical physics
The invention discloses a synthesis method and application of a non-condensed ring electron acceptor, which are different from a traditional condensed ring structure or a single alkyl chain side chain, and a dichlorobenzene unit is introduced as a conformation regulating group. As chlorine atoms have strong electronegativity and proper atomic radius, remarkable non-covalent interaction such as Cl-S and Cl-pi can be generated among molecules. The interaction is similar to a set of precise molecular guide rails, molecules are guided to perform highly ordered pi-pi accumulation, so that electron cloud overlapping is remarkably enhanced, and an efficient electron transmission channel is constructed. According to the organic solar cell prepared based on the non-condensed ring electron acceptor material designed by the invention, the electron mobility is remarkably improved, and meanwhile, the charge recombination loss of a device is effectively reduced.
Owner:CHANGZHOU UNIV +1

Sensitive triggering structure for vehicle door and triggering method

The sensitive triggering structure comprises a first fixing piece and a second fixing piece which are oppositely arranged, electronic components are obliquely installed on the first fixing piece and / or the second fixing piece, a first adhesive tape and a second adhesive tape are correspondingly arranged on the opposite faces of the first fixing piece and the second fixing piece, and the first adhesive tape and the second adhesive tape are arranged on the opposite faces of the first fixing piece and the second fixing piece. The stress of the first adhesive tape and the stress of the second adhesive tape are matched, and the first adhesive tape or the second adhesive tape adjacent to the electronic component is stressed and deformed in one direction, so that the electronic component is pressed and started; according to the structure, the electronic component is arranged on the fixing piece on one side or the two fixing pieces, after the two fixing pieces drive the two sets of rubber strips to be matched, the rubber strips are stressed and deformed to trigger the electronic component, after the stress numerical value of the electronic component reaches a safety value, the two fixing pieces move away from each other, and the direction opposite to the stress deformation direction of the rubber strips is a safety area; and electronic components are designed to have selective triggering, so that frequent reopening of the vehicle door under unnecessary conditions is reduced, and the reliability of the vehicle door system is ensured.
Owner:NANJING KANGNI MECHANICAL & ELECTRICAL

A light emitting diode with a stepped quantum well structure and a method for preparing the same

The present invention discloses a light emitting diode with a ladder-type quantum well structure, comprising: an N-type electrode, a P-type electrode, a substrate, and an N-type conductive layer, a quantum well active region, a P-type electron blocking layer and a P-type conductive layer stacked on the substrate in sequence; wherein the N-type electrode is electrically connected to the N-type conductive layer; the P-type electrode is electrically connected to the P-type conductive layer; the quantum well active region comprises a quantum well layer and an Al2O3 layer stacked on the N-type conductive layer in sequence; 0.6 Ga 0.4 N quantum barrier layers; the quantum well layer is a step-type quantum well, and its thickness is 2nm. The present invention, by setting a quantum well active region, will not cause a very strong polarization electric field, thereby improving the energy band bending caused by the polarization effect, and increasing the overlap rate of the electron and hole wave functions, and ultimately improving the radiation recombination efficiency and luminescence efficiency of the diode.
Owner:HAINAN NORMAL UNIV

A method for synthesizing patulin hapten

The present invention belongs to the technical field of fine chemical synthesis, and discloses a method for synthesizing patulin hapten, comprising the following steps: S1, synthesis of compound 01→S2, synthesis of compound 02→S3, synthesis of compound 03→S4, synthesis of compound 04→S5, synthesis of compound 05→S6, synthesis of compound a→S7, synthesis of compound 06. In this scheme, an artificial patulin hapten molecule with immunogenicity is designed and synthesized by a chemical synthesis method, thereby inducing the production of antibodies with strong specificity, high immunity and high sensitivity, providing more options for the synthesis method of patulin hapten, and the present invention can obtain a hapten with a higher degree of overlap with patulin in structure, thereby improving the coupling effect of the hapten and the protein, and the obtained patulin hapten can be used as a precursor of a complete antigen in an enzyme-linked immunosorbent assay method, and has a high use value.
Owner:SHENZHEN RONGJIN TECH CO LTD

Disordered multi-view three-dimensional point cloud fine registration method based on recursive element shape generation

The embodiment of the invention relates to the technical field of computer vision, and discloses a disordered multi-view three-dimensional point cloud fine registration method based on recursive element shape generation, which comprises the following steps: S1, combining all initial point cloud views into an unupdated element shape; s2, entering an iteration process of calling element shape-multi-view updating, and determining the number of iteration rounds included in the calling; s3, updating the meta shape which is not updated; s4, updating all the initial point cloud views; s5, combining all the updated point cloud views into a new element shape; s6, repeating the steps S3 to S5 until the maximum iteration round number corresponding to the current call is reached; s7, taking the updated meta shape of the current call, still taking all the initial point cloud views as non-updated point cloud views, starting a new call, and repeating the steps S2 to S6 until the maximum call frequency is reached; and S8, outputting all the point cloud views updated by the last call. According to the method, stable error convergence is realized, and local optimum is avoided.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Camera device applied to tunnel three-dimensional geological modeling

The utility model discloses a camera device applied to tunnel three-dimensional geological modeling, which comprises an annular equally-divided camera support, six cylindrical hollow telescopic rods are assembled on the annular equally-divided camera support at intervals, and the inner side of each cylindrical hollow telescopic rod is connected with an annular rotating shaft; the end parts of the six cylindrical hollow telescopic rods are respectively connected with six camera assemblies, and the six camera assemblies are respectively connected with six information transmission lines; the six information transmission lines are installed in the six cylindrical hollow telescopic rods respectively. Six camera assemblies are used for shooting, photos with high overlapping rate and exposure rate are obtained, and a three-dimensional geologic model of the tunnel is conveniently established; compared with a traditional on-site shooting device, the on-site recording device is higher in efficiency, the on-site recording time of excavation of the cavern and the time interval of continuous lining of the cavern can be greatly shortened, and the key point is that the problem that the on-site recording time is long in a traditional measuring method can be effectively solved.
Owner:CHANGJIANG THREE GORGES SURVEY INST CO LTD (WUHAN)

Anti-collision beam assembly and vehicle

ActiveCN224361112UImprove the protective effectAffect structural strengthBumpers
The application relates to the technical field of vehicle bodies, and provides a crash beam assembly and a vehicle. The crash beam assembly of the application is suitable for being connected at the end of a vehicle body longitudinal beam, and comprises a crash beam body and energy absorption boxes arranged at the two ends of the crash beam body. The width of the middle part of the crash beam body in the up-down direction of the whole vehicle is smaller than the width of the two ends of the crash beam body in the up-down direction of the whole vehicle, the crash beam body is integrally stamped and formed, and a reinforcing rib line is arranged on the crash beam body. The reinforcing rib line extends along the length direction of the crash beam body, and the reinforcing rib line is recessed from part of the crash beam body to the side where the energy absorption box is located. The application can reduce the influence on the heat dissipation effect of the radiator of the vehicle, can increase the structural strength of the crash beam, and is beneficial to improving the overall quality of the vehicle.
Owner:GREAT WALL MOTOR CO LTD

A method for regulating the built-in electric field in the active region of a deep ultraviolet light-emitting diode

ActiveCN114883466BIncreased radiative recombination rateincrease overlapFinal product manufactureUltraviolet lightsContact layer
The invention relates to a method for regulating a built-in electric field in an active region of a deep ultraviolet light-emitting diode, belonging to the technical field of semiconductor photodiodes. The method comprises, from bottom to top, a substrate, a buffer layer, an n-type semiconductor electron injection layer, a multi-quantum well active layer, a p-type electron blocking layer, a p-type semiconductor hole injection layer, a p-type contact layer, a p-type electrode, and an n-type electrode. The multi-quantum well active layer comprises a plurality of periodically grown units, each unit comprises a quantum well and quantum barriers on both sides of the quantum well, Mg is doped on a side close to the quantum well in the quantum barriers on the upper side of the quantum well, Si is doped on a side close to the quantum well in the quantum barriers on the lower side of the quantum well, and each quantum barrier is not fully doped. The built-in electric field of a deep ultraviolet light-emitting diode is regulated by a selective doping method, so as to solve the problems of wavelength red shift and efficiency attenuation caused by an excessively large built-in electric field, and at the same time, the electron and hole injection of the DUV LED is regulated, so as to improve the photoelectric performance of the DUV LED by suppressing electron leakage and enhancing hole injection.
Owner:SHANDONG UNIV

Non-polar surface Micro-LED with independent mesa structure and preparation method of non-polar surface Micro-LED

ActiveCN119300571AInhibition defectavoid damage
The invention discloses a non-polar surface micro light-emitting diode (Micro-LED) with an independent mesa structure and a preparation method of the non-polar surface micro light-emitting diode (Micro-LED), full relaxation of an epitaxial structure is realized based on selective area epitaxy and lateral epitaxy, and generation of defects in an epitaxial layer can be effectively inhibited. Meanwhile, mutually independent Micro-LED functional layers such as quantum wells are grown on mutually independent mesas, so that the Micro-LED can be prepared without etching damage of the quantum wells, the etching damage of the quantum wells caused by reducing the size of the LED through process etching in a traditional scheme and non-radiative recombination additionally caused by the etching damage of the quantum wells are eliminated, and the efficiency of the Micro-LED is effectively improved. The invention provides a new structure and a new method for preparing the Micro-LED, and is beneficial to promoting commercial application of the Micro-LED.
Owner:NANJING UNIV OF INFORMATION SCI & TECH

A lithium-rich manganese-based composite cathode material, a preparation method and application thereof

The application provides a lithium-rich manganese-based composite positive electrode material and a preparation method and application thereof. The lithium-rich manganese-based composite positive electrode material comprises a lithium-rich manganese-based matrix material core and a high-entropy oxide material coated on the surface of the core; and metal elements in the high-entropy material include Mg, Zn, Cu and Nb. The positive electrode material provided by the application can inhibit the migration of transition metals in the positive electrode material and the loss of oxygen through the synergistic cooperation of Mg, Zn, Cu and Nb in the surface layer high-entropy oxide material, and the electronic conductivity is also improved, so that the cycle performance and rate performance of the lithium-rich manganese-based composite positive electrode material are greatly improved.
Owner:JINGMEN GEM NEW MATERIAL CO LTD +1

A geological survey device

The present invention discloses a geological survey device, belonging to the field of geological survey technology, which includes: a base, a collection frame and an electric lifting mechanism are arranged on the top of the base, and a mounting plate is arranged on the top of the electric lifting mechanism; a collection frame, a plurality of connecting springs are fixedly connected between the collection frame and the mounting plate, and a sliding hole is provided on the top of the mounting plate, an adjustment plate is slidably installed in the sliding hole, a linkage rod is hinged at the bottom of the adjustment plate, and the other end of the linkage rod is hinged at the top of the collection frame; a sampling mechanism, the sampling mechanism includes: a sampling tube, a hollow shaft and a driving mechanism. The present invention can achieve soil sampling and stone crushing at the same time through the electric lifting mechanism and sampling mechanism, and can automatically adjust the drilling speed and feeding speed according to the feeding resistance, and when the feeding resistance reaches a certain level, it cooperates with the compressed gas storage tank to enhance the stone crushing effect, thereby ensuring the sampling efficiency.
Owner:GUANGDONG OCEAN UNIVERSITY

A building model generation system for design

ActiveCN117541729BHigh precisionincrease overlap3D modelling
The present invention belongs to the field of three-dimensional modeling, and discloses a building model generation system for design, including a point cloud data acquisition device and a modeling device; the point cloud data acquisition device is used to perform three-dimensional scanning on a room to be designed to obtain point cloud data for modeling; the modeling device is used to generate a three-dimensional model of the room to be designed based on the point cloud data for modeling. The present invention sets a shooting device, a computing device and a mobile device, so that when moving on a scanning section of a long straight line segment and acquiring point cloud data, the position of the next shooting point is calculated according to the position of the previous scanning point, and the position of the next scanning point is calculated based on the shooting image obtained from the next shooting point, so that when performing three-dimensional scanning in an area with a relatively complex structure, the overlap between the point cloud data obtained by two adjacent scanning points is higher, providing more detailed information for the area with a relatively complex structure, and improving the modeling accuracy.
Owner:承德应用技术职业学院

Multi-type audio guided unmanned aerial vehicle remote sensing image segmentation method and system based on fine semantic embedding

ActiveCN121640053BImprove intelligent interactive processing capabilitiesincrease overlapData setImage segmentation
The application provides a multi-type audio guided unmanned aerial vehicle remote sensing image segmentation method and system based on fine semantic embedding, relates to the intelligent processing of remote sensing images and the cross field of multi-modal artificial intelligence, and comprises the following steps: collecting remote sensing images, remote sensing related audio and voice data, and constructing a multi-type audio guided remote sensing image segmentation dataset; constructing a multi-type audio guided remote sensing image segmentation model based on fine semantic embedding, wherein the model comprises a remote sensing image feature encoding module, an audio feature encoding module, a fine semantic embedding module, an audio semantic request module and a mask feature decoding module; and training the multi-type audio guided remote sensing image segmentation model through the multi-type audio guided remote sensing image segmentation dataset until the training completion condition is met. This segmentation method improves the intelligent interactive processing capability of remote sensing images, and the coincidence degree of remote sensing images and audio semantics is improved through complete modeling and fine semantic embedding of audio semantics.
Owner:WUHAN UNIV OF TECH

High-temperature flue gas aeration cooling tower

ActiveCN224189026URealize multi-stage recyclingincrease overlapTrickle coolersCooling towerFlue gas
The utility model relates to the technical field of cooling towers, and discloses a high-temperature flue gas aeration cooling tower which comprises an aeration tank, a cooling tower body, an aeration assembly, a cooling assembly, a fan and a honeycomb ceramic filler module. According to the high-temperature flue gas aeration cooling tower, the effect of symmetrical gas inlet of double flues can be achieved by arranging the aeration assembly, heat exchange is more sufficient, multi-stage cyclic utilization of water can be achieved by arranging the cooling assembly, water is sprayed into the cooling tower body through the upper-layer spraying module and the lower-layer spraying module, and the cooling efficiency is improved. The double-layer spraying effect is achieved, the upper-layer spraying module can achieve large-flow and large-range spraying through a plurality of rotating sprayers, the lower-layer spraying module can achieve stable high-pressure atomization spraying through a plurality of atomization sprayers, the rotating sprayers are matched with the atomization sprayers, and the heat exchange efficiency can be effectively improved; in addition, the overlapping rate of the spraying water curtain can be increased, and a dry dead zone of the honeycomb-shaped ceramic filler module is prevented.
Owner:CIXI ZHONGKE ZHONGMAO ENVIRONMENTAL THERMAL POWER CO LTD

Laminated glass, projection system, and vehicle

This application provides laminated glass, a projection system, and a vehicle. The laminated glass includes a first glass plate, an intermediate adhesive layer, a second glass plate, a functional layer, and an adjustment layer. This application achieves image clarity by setting a first wedge shape and defining a first preset range, ensuring that the reflected primary image and the reflected secondary image of the functional layer coincide. Furthermore, the reflective nature of the functional layer enhances brightness. The high degree of overlap between the reflected primary image and the reflected secondary image facilitates color correction of the superimposed image, resulting in a better color-shift-free display. Additionally, the adjustment layer significantly reduces the brightness of the reflected secondary image of the glass plate, even eliminating ghosting, thus avoiding image blurring caused by insufficient overlap between the reflected secondary image and the primary image. This results in a clear display image and improved driving safety.
Owner:FUYAO GLASS IND GROUP CO LTD

Micro-LED structure containing driver and preparation method thereof

ActiveCN119545997ASolve problems that require additional driversavoid bondageSelective area epitaxyGallium nitride
The invention discloses a micro-LED structure with a driver and a preparation method of the micro-LED structure. The micro-LED structure comprises a gallium nitride (GaN) layer, a mask layer with micropores, a GaN three-dimensional triangular island, a high electron mobility transistor (HEMT) structure and a Micro-LED structure, wherein the upward crystal face of the GaN layer is a non-polar face, the HEMT structure is arranged on the inclined face of one side of the triangular island, and the Micro-LED structure is arranged on the inclined face of the other side of the triangular island. The GaN island of a three-dimensional structure is obtained by utilizing selected area epitaxy and combining with lateral epitaxy, the GaN island naturally forms a bilaterally symmetrical structure due to the crystal attribute, the HEMT and the Micro-LED structure are arranged on the two sides respectively, the HEMT on one side can be directly utilized to drive the Micro-LED on the other side, the problem that a traditional Micro-LED needs to be additionally driven is solved, and the GaN island can be used for driving the LED on the other side. And the constraint that micropores are current when a traditional selective area epitaxy MicroLED structure is adopted is avoided. Besides, the Micro-LED with an independent structure is grown on the inclined plane of the triangular island, so that the adverse effect of the traditional micromachining technology on the etching damage of the quantum well and the P-type layer can be avoided, the edge effect of each light-emitting unit is effectively inhibited, and the light-emitting efficiency is improved; the light-emitting units are arranged on the basis of close packing, the area of the epitaxial wafer can be effectively utilized to the maximum extent, and economic benefits are maximized.
Owner:NANJING XIAOQINGNING TECHNOLOGY SERVICES CO LTD

Phosphogypsum and its modification methods, high-strength water-resistant paper-faced gypsum board and its preparation methods

ActiveCN116715456Bwell mixedCalcined evenly
This application provides a phosphogypsum and its modification method, as well as a high-strength, water-resistant paper-faced gypsum board and its preparation method. The phosphogypsum modification method includes: drying the phosphogypsum to be modified to constant weight; mixing aluminum sulfate with the dried phosphogypsum, followed by microwave calcination, grinding, and aging to obtain modified anhydrous phosphogypsum. This phosphogypsum modification method can effectively reduce the content of soluble impurities in phosphogypsum, and the process is simple.
Owner:CHINA NAT BUILDING MATERIALS TECHCAL INNOVATION & RES INST LIMITED +2

Aneinanderheften von bildern in gegenwart eines vollständigen sichtfeldreferenzbildes

Systems and methods for obtaining a seamless, high resolution, large field of view image comprise capturing a plurality of Tele images in a scene using a scanning Tele camera, each captured Tele image having an associated Tele field of view FOVT, retrieving a R image having a respective R image scene with a field of view greater than FOVT, analyzing the R image for defining an order of scanning positions according to which the folded Tele camera scans a scene to capture the plurality of Tele images, aligning the plurality of Tele images and the R image to obtain aligned Tele images, and composing the aligned Tele images into an output image. The output image may include at least parts of the R image and may be one of a stream of output images.
Owner:COREPHOTONICS

Micro-LED structure with double emergent directions and preparation method thereof

The invention discloses a Micro-LED structure with double emergent directions and a preparation method of the Micro-LED structure. The Micro-LED structure comprises an N-type GaN layer, a mask layer, an N-type In < x > Ga < 1-x > N triangular island, a quantum well layer, a P-type layer, an electrode and other functional layers, wherein the upward crystal face of the N-type GaN layer is a non-polar face. According to the invention, an N-type InxGa1-xN triangular island with high symmetry is obtained by utilizing selective area epitaxy and combining lateral epitaxy, and LED epitaxial layers are grown on two symmetrical inclined planes of the triangular island, so that a Micro-LED structure with double emergent directions is formed and can be used as a basic display unit for near-eye naked eye three-dimensional display; meanwhile, mutually independent epitaxial LED structures are grown on the inclined planes of the triangular islands, so that adverse effects caused by etching damage of the traditional micromachining technology to the quantum wells and the P-type layers can be avoided, the edge effect of each light-emitting unit is effectively inhibited, and the light-emitting efficiency is improved; the light-emitting units are arranged on the basis of close packing, the area of the epitaxial wafer can be effectively utilized to the maximum extent, and economic benefits are maximized.
Owner:NANJING UNIV OF INFORMATION SCI & TECH

An ECC building structure reinforcement connector

This utility model belongs to the field of building structure reinforcement technology, specifically an ECC building structure reinforcement connector, including a first crossbeam; a second crossbeam overlaps the middle of the side wall of the first crossbeam; both the first and second crossbeams are provided with connecting components in the middle of their side walls, which can strengthen the connection between the first and second crossbeams; by setting a first pipe clamp, a first short screw, a second pipe clamp, a second short screw, a connecting plate, and a long screw, the two crossbeams can be firmly connected together to form a whole. This connection method can improve the connection strength between the crossbeams, enabling the structure to work better together when bearing loads, reducing the risk of damage caused by excessive local stress, and strengthening the overlap relationship of the crossbeams is equivalent to increasing the constraint conditions of the structure, making the structure more stable under stress, helping to reduce structural deformation, improve the overall stiffness of the structure, and thus enhance the load-bearing capacity of the structure.
Owner:NANJING PICAS CONSTR TECH CO LTD

Flat gate pull rod device

This utility model relates to the technical field of gate lever devices, and discloses a flat gate lever device, comprising multiple steel plate rods. The rods are flat in shape and connected end to end. One end of each rod has a connecting end, and the other end has a receiving end. The receiving end has a slot for the connecting end of adjacent rods to be inserted. Adjacent rods are fixed together by a connecting structure. The main load-bearing parts of the rods are made of steel plates, resulting in less material consumption per section and significant material savings with multiple sections. The flat shape allows for flexible placement and is suitable for stacking multiple sections together. It offers high stacking density, small space occupation, and high safety. The rod-shaped structure also makes it suitable for upright hanging, occupying very little space when upright. The overall structure is simple, making manufacturing easier. The stress on the concrete structure is low during hanging, resulting in high structural safety and reliability.
Owner:POWER CHINA KUNMING ENG CORP LTD

Circularly polarized patch antenna based on geometric center feed and antenna array

The invention discloses a circular polarization patch antenna based on geometric center feed and an antenna array, belongs to the technical field of antennas, and solves the problems of complex design, high cost, high system loss and low radiation efficiency of an existing circular polarization phased-array antenna. The feed point is arranged at the geometric center of the metal plate and the plurality of dielectric layers, and the high-frequency circular antenna and the low-frequency annular antenna are coaxial, so that the feed structure can feed at the geometric center of the antenna unit, the feed network distribution of the whole array antenna is not influenced when the antenna unit rotates, the design difficulty of the feed network is reduced, and the design efficiency is improved. The design of a feed network is simplified, the feed efficiency of the system is improved, two branches of the patch power divider extend the transmission path for transmitting radio frequency signals of the power branches due to the deviation angle, it is guaranteed that the phase difference of horizontal polarization and vertical polarization is 90 degrees under a certain deviation angle, the amplitude of vertical polarization and the amplitude of horizontal polarization are kept equal, and the power distribution efficiency of the system is improved. And circularly polarized radiation conditions are satisfied.
Owner:CHINA ELECTRONIC TECH GRP CORP NO 38 RES INST