2802 results about "Electrode pair" patented technology

Described herein are shock wave catheters having discontinuous emitter bands. The catheters may be used for treating occlusions in a body lumen. In some examples, the catheters include an elongated tube, a shock wave electrode assembly at least partially embedded within the elongated tube, and an enclosure surrounding the shock wave electrode assembly. In some examples, the electrode assembly includes an emitter band at least partially encircling the elongated tube, the emitter band forming a first electrode of an electrode pair, and one wire having a distal end forming a second electrode of the electrode pair. The shock wave electrode assembly is configured to emit a shock wave when a voltage pulse is applied across the electrode pair. In some examples, the at least one emitter band is compressible to reduce a diameter of the emitter band.

In one embodiment, a medical system includes a catheter configured to be inserted into a chamber of a heart of a living subject, and including multiple electrodes configured to capture electrical activity from electrical activation signals propagating in tissue of the chamber, a display, and processing circuitry configured to automatically select bipolar signals to be captured into an electro-anatomical map from respective electrode pairs of the multiple electrodes responsively to an alignment of the respective electrode pairs with a direction of propagation of the electrical activation signals, and render the electro-anatomical map to the display.

A high-altitude electrode discharge voltage prediction method and system, a device and a medium, relating to the technical field of electrode discharge. The method comprises: acquiring a measured dataset of a high-altitude true electrode, and performing normalization processing and data partitioning on the measured dataset in a preset selection ratio to generate an initial training set and a test set; on the basis of the degree of influence between a feature variable and a target variable in the initial training set, constructing a target training set; carrying out model construction on the basis of a support vector regression method and an ant lion optimization algorithm in combination with the target training set, to generate an intermediate intelligent model; using the test set to test the intermediate intelligent model, and determining a target intelligent model; and inputting the measured dataset into the target intelligent model for discharge voltage calculation, to generate discharge voltage prediction data corresponding to the high-altitude true electrode. By means of the ant lion optimization intelligent algorithm and the target intelligent model, the accuracy of prediction results can be improved.

Method and systems are described for identifying electrodes for stimulation of a patient using a stimulation system. The stimulation system includes at least one stimulation lead implanted in a patient and having electrodes disposed thereon. The method includes obtaining a plurality of bioelectrical signals, wherein each of the bioelectrical signals is obtained using a different one, or a different combination, of the electrodes; analyzing a dataset including the bioelectrical signals to identify at least one fundamental component of the dataset, each of the at least one fundamental component identifying a contribution of one or more of the electrodes to the fundamental component; and using at least one of the at least one fundamental component to identify one or more of the electrodes for stimulation according to the contribution of each of the one or more of the electrodes to the at least one of the at least one fundamental component.

The invention relates to a production method of a battery piece. The production method comprises the following steps: printing a grid line electrode on the battery piece; sintering the grid line electrode; cutting the battery piece; forming a passivation layer on the cutting edge of the battery piece; and applying voltage and laser to the battery piece so as to anneal the grid line electrode and the passivation layer. According to the application, the voltage and the laser are applied to the battery piece to anneal the grid line electrode, so that the contact resistance between the grid line electrode and the battery piece can be reduced; and the passivation layer is annealed, so that the passivation degree of the passivation layer on the cutting edge can be improved, and the photoelectric conversion efficiency of the produced battery piece is further improved. According to the method, after the passivation layer is formed on the cutting edge of the battery piece, the voltage and the laser are applied to the battery piece, a grid line electrode and the passivation layer can be annealed at the same time, the time for repeatedly arranging equipment for applying the voltage and the laser is saved, the passivation degree of the passivation layer is improved, the production time of the battery piece is shortened, and the production efficiency of the battery piece is improved. And the production efficiency of the battery piece is improved.

The invention discloses a closed-loop transcranial alternating current stimulation system based on phase-amplitude coupling stimulation, and the system comprises an alternating current stimulation current source which is used for generating a current signal with a fixed frequency; the stimulation and collection integrated electrode is connected with the alternating current stimulation current source and used for being worn on the head, conducting electric stimulation on a target scalp area and collecting electric signals of the target scalp area; the electroencephalogram acquisition front end is connected with the stimulation and acquisition integrated electrode and is used for acquiring electroencephalogram data according to the acquired electric signals; and the DSP processor is connected with the electroencephalogram acquisition front end and is used for executing a control algorithm according to the electroencephalogram data and adjusting parameters of the alternating current stimulation current source so as to control the stimulation and acquisition integrated electrode to perform closed-loop regulation and control on the brain. Based on the real-time electroencephalogram feedback technology, a set of closed-loop transcranial alternating current stimulation technology is constructed, phase-coupling regulation and control of the cortex are achieved, and the application range of the transcranial alternating current stimulation technology in the aspect of cognitive ability regulation and control is widened.

The invention discloses an electrode program design method and device, electronic equipment and a storage medium, and relates to the mechanical manufacturing technology, the method comprises the steps that a target model file is loaded, parameter information of a target workpiece is determined from the target model file, and the parameter information at least comprises a shape parameter, a structure parameter, a size parameter and a technological parameter; the number of machining electrodes is determined, and the target workpiece is divided into at least one machining area according to the number of the electrodes; for any machining electrode, the electrode shape is determined according to the shape parameters and the structure parameters corresponding to the machining area, and an electrode subprogram is determined according to the size parameters and the process parameters corresponding to the machining area; and an electrode machining file is generated according to the electrode subprogram corresponding to each machining electrode, so that the machining machine tool controls the machining electrodes set to be in the corresponding electrode shapes through the electrode machining file, the target workpiece is obtained after operation of the machining machine tool is finished, and the beneficial effect of improving the workpiece machining precision is achieved.

The invention relates to the field of molecular photoelectric devices, and provides a single photon source based on an up-conversion photoelectric device and a preparation method thereof, and the preparation method comprises the steps: preparing a dielectric layer; preparing a graphene array electrode on the dielectric layer; constructing a graphene nano gap point electrode pair; placing the graphene nano gap point electrode pair in a two-neck flask, adding 1-(3-dimethylaminopropyl)-3-2-ethylcarbodiimide hydrochloride and an up-conversion luminescent molecule A part into the two-neck flask, adding anhydrous pyridine into the two-neck flask in a nitrogen environment, and stirring to obtain a graphene nano gap point electrode pair; and putting the device connected with an up-conversion luminescent molecule part A at two ends and an up-conversion luminescent molecule part B containing lanthanide metal into a tetrahydrofuran solution for molecular system chelation to obtain the single-molecule up-conversion photoelectric device containing the chiral group. A liquid metal Ga2O3 protective layer is plated on a single-molecule up-conversion photoelectric device, so that a single photon source is obtained, and the stability and the anti-interference capability of the single photon source are enhanced.

A rotatable electronic device for installation onto a grid of sensor electrodes of a touch sensitive display panel. The rotatable device includes a fixed base and a knob assembly mounted over the fixed base. The fixed base has a bottom surface including a plurality of coupling electrodes. The coupling electrodes each align with and overlie at least one of the sensor electrodes when the rotatable electronic device is installed on the grid of sensor electrodes, such that two of the coupling electrodes align with and overlie a corresponding pair of edge-adjacent sensor electrodes of the grid. Manual rotation of the knob causes concomitant rotation of rotatable conductive regions in the knob, and manual depression of the knob causes a switch to change a coupling from one of two coupling electrodes to the other of the two of the coupling electrodes.

The invention discloses a moisture flow measuring method based on vortex street frequency-disturbance wave frequency dual-mode detection, an adopted measuring device comprises an annular electrode pair, a pressure sensor, a temperature sensor and a vortex street flowmeter, and the annular electrode pair is used for obtaining a liquid film thickness sequence; the pressure sensor is used for collecting working condition pressure, the temperature sensor is used for collecting working condition temperature, and the vortex shedding flowmeter is used for collecting vortex shedding signals; the measurement method comprises the following steps: (1) establishing a moisture measurement model; (2) a Newton iteration format with the actual value of the gas phase flow in the moisture as a parameter is obtained; and (3) iteratively solving the gas volume flow.

The invention discloses a large-scale pig breeding wastewater purification treatment system, and relates to the technical field of wastewater treatment.The large-scale pig breeding wastewater purification treatment system is characterized in that the ion concentration of anaerobic liquid is monitored through a multi-ion sensing array, and a multi-channel feeding system is controlled to synthesize customized struvite compound fertilizer; the AI prediction control unit predicts the optimal medicament dosage and realizes millisecond-level closed-loop regulation; the multi-dimensional synergistic biochemical treatment module comprises an A / O biochemical treatment unit and an electric field enhanced anaerobic ammonia oxidation reactor, the electric field enhanced anaerobic ammonia oxidation reactor applies a direct-current electric field through an electrode pair, and engineering conductive biochar is used as a carrier to accelerate microbial metabolism; the sludge low-temperature pyrolysis self-consistent circulation module is used for pyrolyzing and converting residual sludge into biochar, biofuel and wood vinegar, and the biochar activation treatment unit is used for preparing engineering conductive biochar and forming a substance closed loop through a self-consistent circulation conveying system; and the digital twinning intelligent management and control platform realizes intelligent management and control of the system.

The invention discloses a reflective display device and a driving method, the reflective display device comprises an opposed substrate, an array substrate and a liquid crystal layer, the liquid crystal layer comprises first color cholesterol liquid crystal molecules, a pixel electrode is arranged on the array substrate, and a common electrode matched with the pixel electrode is arranged on the opposed substrate; the reflective display device is provided with a plurality of pixel units which are distributed in an array mode, a pixel electrode is correspondingly arranged in each pixel unit, each pixel unit comprises a first sub-pixel area and a second sub-pixel area which are different in area, and each pixel electrode comprises a first sub-pixel electrode and a second sub-pixel electrode which are independently controlled. The first sub-pixel electrode corresponds to the first sub-pixel area, and the second sub-pixel electrode corresponds to the second sub-pixel area. The brightness and darkness states of the first sub-pixel area and the second sub-pixel area in each pixel unit are independently controlled, so that the pixel units can present more gray scale display, and the gray scale number of the cholesteric liquid crystal reflective display device is increased.

The invention provides a micro-fluidic device and a preparation method thereof. The micro-fluidic device comprises a micro-fluidic substrate and a control substrate, the microfluidic substrate comprises a first substrate and a plurality of electrode pairs; the control substrate comprises a second substrate, a control circuit layer and a plurality of contact pairs; the first surface of the first substrate is provided with a plurality of opening areas, each opening area is provided with two accommodating grooves which are arranged at intervals, and the two accommodating grooves are communicated through a microfluidic channel on a common side wall; the plurality of electrode pairs are arranged on the first substrate and are arranged corresponding to the opening area. The control circuit layer is arranged on the second substrate; the plurality of contact pairs are arranged on the second substrate and are electrically connected with the control circuit layer; the control substrate is attached to the microfluidic substrate during use, the plurality of contact pairs are electrically connected with the plurality of electrode pairs, and the control circuit layer is used for applying voltage to each electrode pair. According to the microfluidic device, a plurality of samples are processed in parallel, the detection efficiency is improved, and the replacement cost can be reduced.

The present invention discloses a lead frame for chip packaging, a preparation method and a chip packaging structure. The lead frame includes a carrier sheet, a first solder resist ink layer and a plurality of unit circuits arranged in a matrix, the unit circuit includes a plurality of electrodes, the electrodes include a top electrode and a bottom electrode; the top electrode is arranged on the top surface of the first solder resist ink layer; corresponding to each unit circuit, the first solder resist ink layer includes a bottom electrode hole corresponding to the electrode, the bottom electrode is arranged in the bottom electrode hole, and the top of the bottom electrode is fixed on the bottom surface of the top electrode; the carrier sheet is peelably attached to the first solder resist ink layer and the bottom surface of the bottom electrode. The lead frame preparation process of the present invention has few steps, a simple process and low cost.

A display device includes a display area in which a plurality of first pixels and second pixels including a plurality of pixel electrodes spaced apart from each other are disposed, a first light blocking layer disposed in the display area and including a plurality of holes disposed to overlap the pixel electrodes, a plurality of color filters disposed on the first light blocking layer to correspond to the holes, and a second light blocking layer disposed on the color filter and disposed to correspond to the pixel electrodes of the second pixels, the first light blocking layer including a plurality of divided portions disposed around the holes of the second pixel and penetrating the first light blocking layer, and the color filters disposed in the second pixel and disposed to cover the hole of the first light blocking layer, where the divided portions are disposed to correspond to the holes.

A catheter and segmented balloon system for an intravascular lithotripsy system having improved accommodation for curved configurations to prevent damage to the balloon during electrical arcing of electrode pairs. The catheter can include an elongate member with alternating flexibility regions wherein stiffer regions are configured to support at least one spaced-apart electrode pair, and wherein more flexible regions are disposed on either side of each stiffer region. This configuration allows the elongate member to curve more easily in the region of the electrodes, which are located within a balloon, or segmented balloon system. The balloon can include balloon segments with interposed sections between each of the segmented balloons wherein the outer diameter of an inflated balloon segment is larger than the outer diameter of the interposed section.

The invention relates to a photovoltaic cell preparation method, a photovoltaic cell, a laminated cell and a photovoltaic cell module. Providing an initial battery piece; depositing and forming a protective layer on the surface; carrying out laser treatment twice; printing and sintering to form an electrode; and carrying out at least two times of laser-assisted sintering on the electrode. According to the photovoltaic cell preparation method, the protection layer at the first area is removed, the doping concentration at the first area is improved, and at least two times of laser-assisted sintering are combined, so that on one hand, the metal contact area is optimized, the usage amount of silver paste is reduced, the material cost is reduced, and meanwhile, paste contact sintering is enhanced; damage caused by laser grooving doping is removed; and on the other hand, the doping concentration is optimized, the contact resistance is remarkably reduced, the open-circuit voltage and the filling factor are favorably improved, the shading loss is reduced, and the current collection efficiency is ensured, so that the photoelectric conversion efficiency and the reliability of the cell are remarkably improved, the production process is simplified, and the production cost is reduced.

The invention provides a solar cell and a photovoltaic module, and relates to the technical field of photovoltaics. The battery includes: a silicon substrate including a surface having an N region and a P region; the N-type doped layer is positioned on the N region of the silicon substrate; the P-type doped layer is located on the P region of the silicon substrate; the first electrode is in contact with the P-type doped layer; the second electrode is in contact with the N-type doped layer; the first electrode and the second electrode both contain metal elements; the content of metal elements in a region corresponding to the first electrode in the P-type doped layer is greater than the content of metal elements in a region corresponding to the second electrode in the N-type doped layer. According to the invention, the contact resistance corresponding to the first electrode can be reduced, the contact difference between the P region and the N region can be reduced, good contact between the P region and the N region is realized at the same time, and the efficiency of the solar cell is improved.

The invention provides a copper-nickel alloy catalytic electrode and a preparation method and application thereof. The copper-nickel alloy catalytic electrode comprises a foamed nickel substrate and a copper-nickel alloy vertically loaded on the surface of the foamed nickel substrate, the molecular formula of the copper-nickel alloy is Cu < 0.81 > Ni < 0.19 >, and the copper-nickel alloy is of a dendritic nanostructure. The preparation method comprises the following steps: adding copper sulfate, nickel sulfate and ammonium sulfate into water, and uniformly stirring to obtain an electrolyte; taking a foamed nickel substrate as a working electrode, taking a saturated silver-silver chloride electrode as a reference electrode, taking a platinum sheet or a graphite rod electrode as a counter electrode, and applying constant current density to the working electrode to obtain a preset electrode; and alternately cleaning the preset electrode by using ethanol and distilled water, and carrying out vacuum drying to obtain the copper-nickel alloy catalytic electrode. According to the prepared copper-nickel alloy catalytic electrode, the copper-nickel alloy is in a dendritic morphology, has abundant active sites and a high specific surface area, and has excellent catalytic activity and stability in hydrogen preparation by coupling hydrogen evolution reaction for synthesizing adipic acid through electro-catalysis of cyclohexanone.

The invention discloses a shock wave forming device with a valve blood perfusion function, which relates to the technical field of medical instruments and comprises a catheter sheath, a shock wave forming balloon group, a shock wave generating component, a handle and a magnetic flexible net opening and closing structure. A guide wire is slidably arranged in the catheter sheath; the shock wave forming balloon set comprises a plurality of shock wave balloons, one ends of the shock wave balloons are connected with the end of the guide wire through flexible net-shaped structures, and the other ends of the shock wave balloons are connected with the end of the catheter sheath through flexible rod-shaped structures. The shock wave generating assembly comprises an axial shock wave generating electrode pair and a circumferential shock wave generating electrode pair; and the magnetic type flexible net opening and closing structure is arranged between the guide wire end part and the flexible net-shaped structure. The blood vessel can be mechanically supported or loosened; through the axial shock wave generation electrode pair and the circumferential shock wave generation electrode pair, the blocking plaque can be opened in the forward direction, and shock waves can be emitted in the circumferential direction to crack or crush calcium deposits; in addition, broken calcified plaques or aortic plaques, thrombus and the like can be captured.

The invention relates to a high-stability electrode for electrochemical lithium extraction and a preparation method thereof, belongs to the technical field of lithium resource extraction, and is used for solving at least one of the problems of poor cycling stability, low current density, low current efficiency and the like of an electrode prepared by an existing method. According to the electrode, the surface of the active material is coated with the solid electrolyte, the coating layer can effectively avoid direct contact between brine and the active material, side reaction is prevented, and therefore the cycle stability of the electrode is improved. The solid electrolyte layer has the effect of transmitting lithium ions, so that foreign ions can be intercepted, and the selectivity of the electrode to the lithium ions is improved. The active material is also coated with an organic conductive polymer, the electronic conductivity of the active material can be effectively improved by the organic conductive polymer layer, the charge transfer impedance of the active material is reduced, and high-current-density lithium extraction is realized.

An electromagnetic wave detector includes a first ferroelectric layer, a two-dimensional material layer, a first electrode pair, and a second electrode pair. The first electrode pair includes a first electrode and a second electrode. The second electrode pair includes a third electrode and a fourth electrode. The first electrode pair and the second electrode pair are electrically connected to the two-dimensional material layer. The third electrode and the fourth electrode are disposed to face each other in a first direction perpendicular to a polarization direction of spontaneous polarization of the first ferroelectric layer. The first electrode and the second electrode are disposed to face each other in a second direction different from the first direction.

The invention discloses a method for electric spark machining of a high-carbon high-chromium molybdenum alloy steel chute, a first group of electrodes is adopted to machine the chute to be machined, the first group of electrodes comprises a first electrode, a second electrode and a third electrode, when the first group of electrodes is adopted to machine each chute, the first electrode is firstly used for rough machining, and then the second electrode is used for machining; carrying out semi-finish machining by using a second electrode, and finally carrying out finish machining by using a third electrode; after a plurality of skewed slots are machined, after a first electrode in a first group of electrodes is abraded, a second group of electrodes is adopted to machine the skewed slots to be machined, the second group of electrodes comprises a second electrode, a third electrode and a fourth electrode, when the second group of electrodes is adopted to machine each skewed slot, the second electrode is firstly used for rough machining, and then the third electrode is used for semi-finish machining; and finally, finish machining is conducted through a fourth electrode. And in this way, after the (n-3) th electrode in the (n-3) th group of electrodes is abraded, the (n-2) th group of electrodes is adopted to machine the chute to be machined, the (n-2) th group of electrodes comprises the (n-2) th electrode, the (n-1) th electrode and the nth electrode, when the (n-2) th group of electrodes is adopted to machine each chute, the (n-2) th electrode is firstly used for rough machining, and then the (n-1) th electrode is used for semi-finish machining, and finally, finish machining is conducted through the nth electrode. The invention aims to improve the processing efficiency and reduce the production cost while ensuring the processing quality.

The invention relates to a Lamb wave resonator and a preparation method thereof. The preparation method comprises the following steps: providing a piezoelectric film; the interdigital electrode and the bus bar are positioned above the piezoelectric film; the functional heat dissipation film is positioned below the piezoelectric film; the supporting substrate is positioned below the functional heat dissipation film; high aspect ratio grooves which are periodically arranged or non-periodically arranged are formed in the bottom of the functional heat dissipation film; and the piezoelectric film area corresponding to the interdigital electrode is suspended. Through the arrangement of the fin heat dissipation structure, the contact area of the film and air is greatly increased, the heat dissipation capability of the resonator is remarkably enhanced, and the power capacity and the heat stability of the resonator are further enhanced; meanwhile, the structure can suppress resonance of a spurious mode in the resonator by scattering sound waves, plays a role in suppressing the spurious mode, and has a good application prospect.

The invention belongs to the field of heterojunction cells, and particularly discloses a heterojunction cell and a preparation method thereof, which are characterized in that heavily doped amorphous silicon is deposited in a corresponding area of a grid line electrode, so that high parasitic absorption, surface dangling bond and interface state density are reduced, and the open voltage and the efficiency of the heterojunction cell are improved. The main technical scheme of the invention is as follows: according to the heterojunction cell, grooves are formed in corresponding areas of grid line electrodes on the front surface and the back surface of an N-type silicon substrate; arranging an intrinsic amorphous silicon layer; the light doping P-type amorphous silicon layer is arranged on the front intrinsic amorphous silicon layer, the light doping N-type amorphous silicon layer is arranged on the back intrinsic amorphous silicon layer, the heavy doping P-type amorphous silicon layer is arranged in a groove corresponding area on the light doping P-type amorphous silicon layer, the heavy doping N-type amorphous silicon layer is arranged in a groove corresponding area on the light doping N-type amorphous silicon layer, and the light doping N-type amorphous silicon layer is arranged in a groove corresponding area on the light doping N-type amorphous silicon layer. The P-type doped amorphous silicon layer and the N-type doped amorphous silicon layer are respectively provided with a transparent conductive oxide layer, and the grid line electrodes are arranged on the transparent conductive oxide layers. The invention is mainly used for power generation.

The invention belongs to the technical field of plasma production equipment, and discloses a remote plasma source cavity which comprises an annular vacuum cavity, an air inlet, an air outlet, a magnetic core assembly and an ignition coil. The annular vacuum cavity comprises a plurality of linear cavity channels which are sequentially connected end to end to form a closed-loop flow channel, the magnetic core assembly is wound on at least one linear cavity channel, and the air inlet and the air outlet are connected to the two different linear cavity channels respectively; an adjusting electrode pair is arranged at the joint of any two adjacent linear cavity channels, and the adjusting electrode pair is used for generating a deflection electric field to drive charged particles in airflow to turn so as to prevent the charged particles from being in contact with the circumferential side wall of the annular vacuum cavity; the service life of the cavity can be prolonged, the plasma purity is improved, and the plasma uniformity and stability are improved.

The invention discloses a head space positioning method, device and system based on electrical impedance tomography, and the method comprises the steps: constructing a corresponding three-dimensional model according to the basic parameters of a flexible electrode cap, and carrying out the finite element meshing, and obtaining a three-dimensional mesh model; performing electric field distribution calculation on sampling points of the three-dimensional grid model according to a preset calculation rule to obtain corresponding touch electrode response information; generating a sensitive field matrix corresponding to the sampling points and the electrode pairs in the flexible electrode cap according to the touch electrode response information; performing projection matching according to the initial voltage data of the electrode pair and the sensitive field matrix to obtain projection matching information; and performing model training according to the projection matching information and the tensile deformation data of the flexible electrode cap to obtain a voltage feature-space coordinate mapping relation, and analyzing the induced voltage data of the electrode pair to obtain corresponding target coordinate information. According to the method, the voltage change of the flexible electrode cap is obtained and analyzed to obtain the coordinate information, and the positioning accuracy and stability are improved.

The invention relates to the technical field of display, in particular to an array substrate and an electrowetting display panel, the array substrate comprises a first substrate, a driving layer, a pixel definition layer and an insulating layer with hydrophobicity, and the driving layer comprises a driving electrode; the pixel definition layer is provided with pixel openings corresponding to the driving electrodes; the insulating layer comprises a plurality of microstructures, each microstructure comprises a first sub-part and a second sub-part located on the side, close to the first substrate, of the first sub-part, and the first sub-parts support the polar fluid in the pixel openings. The adjacent second sub-parts are connected, the gaps are formed between the adjacent first sub-parts, the top end gaps between the adjacent first sub-parts are the target gaps, and the target gaps are configured to be spaced from the second sub-parts when the polar fluid is supported on the first sub-parts, so that the problem that the polar fluid is in contact with the second sub-parts can be solved; therefore, the driving voltage can be reduced, and the driving speed of the polar fluid can be improved.

The embodiment of the invention provides a light-emitting panel and a light-emitting device, relates to the technical field of illumination, and is used for realizing a color temperature adjustable function of the light-emitting device. The light-emitting panel comprises a substrate, a first electrode, a counter electrode, at least two light-emitting layers, an intermediate electrode and a plurality of connecting electrodes, the first electrode is arranged on one side of the substrate; the counter electrode is arranged on the side, away from the substrate, of the first electrode; the at least two light-emitting layers are arranged between the first electrode and the counter electrode; the intermediate electrode is arranged between two adjacent light-emitting layers; the plurality of connecting electrodes are arranged around the first electrode, the plurality of connecting electrodes are arranged at intervals, and the connecting electrodes and the first electrode are arranged at intervals; and the counter electrode and the middle electrode are electrically connected with at least one connecting electrode respectively. The light-emitting panel is used for emitting light.

The invention relates to the technical field of single molecule devices, in particular to a probability bit device based on single tetraligand molecule dipole moment and a preparation method, a single tetraligand dipole molecule is assembled between a graphene point electrode pair, the single tetraligand dipole molecule has good randomness or uncertainty characteristics, and the probability bit device can be used for preparing a probabilistic bit device based on the single tetraligand molecule dipole moment. The states of the molecules can be read through conductance, and probability bits of a single molecule scale are realized; according to the invention, the linear mapping relation between the bistable time ratio and the bias voltage parameter is established by using the voltage dependence of molecular dipole inversion, the random generation mode of the traditional probability bit is broken through, the molecular configuration dynamic state is used as the core regulation dimension, and the characteristics of high-sensitivity field response and long-time coherence are integrated. And an efficient and extensible hardware carrier is provided for quantum-classical hybrid calculation. The preparation method provided by the invention is simple in process, mild in reaction condition and beneficial to large-scale production.