63 results about "Micro array" patented technology

The invention provides a hydrophilic and hydrophobic composite wetting microstructure steam cavity and a manufacturing method thereof, and relates to the technical field of heat dissipation devices. The hydrophilic and hydrophobic composite wetting microstructure steam cavity comprises an evaporation end and a condensation end, the surface of the evaporation end comprises a micro-channel hydrophilic area and a micro-array hydrophilic area, and the micro-channel hydrophilic area surrounds the micro-array hydrophilic area; the surface of the condensation end comprises condensation hydrophilic areas and condensation hydrophobic areas which are distributed at intervals, and the evaporation end and the condensation end are assembled to form a flat plate structure with a cavity in the middle. Different wettability surfaces of the condensation hydrophilic area and the condensation hydrophobic area are compounded, rapid nucleation condensation can be achieved, droplet-shaped condensation heat transfer of rapid falling of liquid drops in the condensation hydrophobic area and capillary suction rapid liquid discharge of the micro-channel hydrophilic area at the evaporation end are combined, condensation heat transfer of a working medium is enhanced, liquid backflow circulation is accelerated, and the condensation efficiency is improved. The temperature uniformity of the hydrophilic and hydrophobic composite wetting microstructure steam cavity is greatly improved, and batch forming of large-area microstructure functional surfaces is achieved through the in-situ heating imprinting forming micro-imprinting technology.

The invention is applicable to the field of photovoltaic technology, and provides a solar cell, a cell assembly and a photovoltaic system.The solar cell comprises a silicon substrate, the silicon substrate is provided with a backlight face and a light facing face which are oppositely arranged, a plurality of grid lines and a plurality of microarrays are arranged on the backlight face side by side in the first direction, and the grid lines extend in the second direction; the microarray comprises a plurality of arranged microstructure units, an included angle is formed between the microarray and the grid line, and the first direction is crossed with the second direction; the length of the silicon substrate in the second direction is L, the range of the two side edges, parallel to the first direction, of the silicon substrate extending towards the center line by L / 9 is an edge area, the included angle in the edge area is alpha, the included angle in the area close to the position of the center line is beta, and the angle of alpha is larger than that of beta. The absorption path of light in the silicon wafer is increased, the diffuse reflection effect of reflected light of backlight surfaces in different areas is promoted, and therefore the absorption efficiency of the light is improved.

The invention discloses a micro-fluidic chip device for cell fusion and in-situ sorting. The micro-fluidic chip device comprises a PDMS (Polydimethylsiloxane) micro-fluidic chip, a PCB (Printed Circuit Board) and a patterned gold electrode micro-array layer which are sequentially arranged from top to bottom, the PDMS micro-fluidic chip is provided with a sample inlet, a sample outlet and a collection cavity, and the sample inlet, the sample outlet and the collection cavity are communicated through the experiment cavity; a plurality of independent channels and a capturing cavity connected with the independent channels are arranged in the experiment cavity, and a double-cavity capturing structure is arranged at an inlet of the capturing cavity; and an independent microelectrode matched with the double-cavity capture structure is arranged on the patterned gold electrode microarray. The independent microelectrodes on the patterned gold electrode microarray layer are matched with the double-cavity capture structure, so that cell capture, cell electrofusion and cell in-situ release can be realized in the same chip, and cells in the double-cavity capture structure can be controlled more accurately.

An electronic device may include: a display; a camera; a speaker, a micro array comprising a plurality of microphones; and a processor. The processor may identify a position of an external object shown through the display on the basis of an image obtained by the camera. The processor may control the microphone array on the basis of the identified position and obtain an acoustic signal generated by the external object. The processor may interlock with the external within the display on the basis of the acoustic. signal and display a visual object for adjusting a volume of the acoustic signal. The processor may output an audio signal associated with the acoustic signal through the speaker in response to an input received on the basis of the visual object and ensuring adjustment of the volume. An electronic device according to an embodiment may comprise: a display; a camera; a speaker, a micro array comprising a plurality of microphones; and a processor. The processor may identify a position of an external object shown through the display on the basis of an image obtained by the camera. The processor may control the microphone array on the basis of the identified position and obtain an acoustic signal generated by the external object. The processor may interlock with the external within the display on the basis of the acoustic signal and display a visual object for adjusting a volume of the acoustic signal. The processor may output an audio signal associated with the acoustic signal through the speaker in response to an input received on the basis of the visual object and ensuring adjustment of the volume.

The present invention is applicable to the field of photovoltaic technology, and provides a solar cell, a battery assembly and a photovoltaic system. The solar cell comprises: a silicon substrate having a backlight surface and a light-facing surface arranged oppositely, a plurality of grid lines and a plurality of microarrays arranged in parallel along a first direction on the backlight surface, the grid lines extending along a second direction, the microarray comprising a plurality of arranged microstructure units, an angle between the microarray and the grid lines, the first direction intersecting with the second direction; the length of the silicon substrate along the second direction is L, and the two sides of the silicon substrate parallel to the first direction respectively extend L / 9 to the center line as the edge area, the angle in the edge area is α, the angle in the area close to the center line is β, and the angle of α is greater than the angle of β. It is beneficial to increase the absorption path of light in the silicon wafer, promote the diffuse reflection effect of the reflected light from the backlight surface in different areas, and thus improve the light absorption efficiency.

The invention provides a clinical motion control device, method and system, electronic equipment and a medium, and the device comprises an ultra-micro array implantation probe which is configured to be implanted into a brain motor cortex of a patient and collect a neuroelectric signal of the brain motor cortex; the integrated data processing module is electrically connected with the ultra-micro array implanted probe and is configured to convert the neuroelectric signals into digital signals and perform neural decoding on the digital signals to obtain motion control signals containing the motion intention of the patient; and the data transmission module is in communication connection with the integrated data processing module and is configured to transmit the motion control signal to external rehabilitation equipment through a wired interface or a wireless communication mode, so that the external rehabilitation equipment drives the limbs of the patient to execute corresponding rehabilitation motions. According to the invention, large-scale, high-precision and synchronous monitoring can be carried out on brain motor cortex neural activities, the signal acquisition quality is improved through an integrated structure design, and the signal decoding precision is improved at the same time.

The invention discloses a preparation method of a high-QE micron-sized deep ultraviolet LED based on a suspended mask, and belongs to the technical field of semiconductor ultraviolet light-emitting device manufacturing. According to the method, a SiO2 sacrificial layer and a Ni hard mask layer are prepared on a deep ultraviolet LED epitaxial layer, then ICP etching is adopted to form a micron mesa structure, then a BOE solution is utilized to corrode a part of SiO2 to enable a Ni mask part to be suspended, a structure similar to an umbrella is formed, a side wall passivation layer is evaporated based on the structure, MgF2 is selected as a side wall passivation layer material, and the deep ultraviolet LED is obtained. An open pore area matched with the size of the table top is reserved in advance, then the SiO2 sacrificial layer and Ni are removed, an open pore is formed, and then a metal electrode is prepared. The UVC micro-LED preparation method provided by the invention is simple in process, the prepared UVC LED is high in quantum efficiency, the size reaches the micron level, and the UVC micro-LED preparation method is suitable for manufacturing a low-cost and high-efficiency deep ultraviolet microarray.

The invention discloses a high-resolution standardized microarray compound eye lens module and a light field regulation and control system, particularly relates to the technical field of light field regulation and control, and realizes high-precision standardized definition of key parameters of a microlens unit and optical axis micro-angle deviation calibration through a microlens array standardized module. A standardized micro-lens array is used for completing efficient acquisition of multi-view and multi-focus high-resolution light field data of a target three-dimensional scene, and non-consistent temperature control focus drift information and visual axis offset accumulation out-of-control information between micro-arrays are synchronously captured in real time; a light field reconstruction imbalance risk assessment model is cooperatively constructed based on a non-uniform temperature control focus drift coefficient and a visual axis offset accumulation out-of-control coefficient between microarrays, a light field reconstruction imbalance risk assessment index is output in real time, quantitative assessment and dynamic early warning of the imbalance risk degree in the light field reconstruction process are achieved, and an intelligent decision basis is provided for reconstruction regulation and control.

A micro light emitting diode (LED) and a method of forming an array of micro LEDs for transfer to a receiving substrate are described. The micro LED structure may include a micro p-n diode and a metallization layer, with the metallization layer between the micro p-n diode and a bonding layer. A conformal dielectric barrier layer may span sidewalls of the micro p-n diode. The micro LED structure and micro LED array may be picked up and transferred to a receiving substrate.

The present invention relates to a wafer-level method for fabricating a high-precision, low-crosstalk LED microarray. The method sequentially prepares a buffer layer, an optically sensitive sacrificial interlayer, and a flip-chip LED semiconductor material wafer layer on a substrate. The wafer layer, along with the N-type and P-type electrodes, is then segmented and excess portions removed to produce an array of flip-chip LED chips. The two electrodes of each flip-chip LED chip correspond to a pair of bonding posts on the substrate. The height of the bonding posts on the die-bonding pads is adjusted based on the height compensation of the two electrodes of each flip-chip LED chip, ensuring that the sum of the heights of the electrodes and corresponding bonding posts of all flip-chip LED chips is consistent. Laser beams are then irradiated onto the substrate to cause each flip-chip LED chip to fall off onto the substrate. Finally, the electrodes of each flip-chip LED chip are bonded and fixed to the corresponding bonding posts, completing the fabrication of a monochromatic LED microarray. The method achieves high production precision and high flatness in the light emission direction of the entire array.

A device for examining samples is disclosed, comprising a microarray, an excitation light source, and an image sensor (10). The image sensor (10) has a plurality of SPAD arrays (11), a plurality of additional photodiodes (12), and computing electronics. The SPAD arrays (11) are configured to detect the decay behavior of fluorescence light emitted as a result of irradiation with excitation light (L) in a respective detection area of ​​the SPAD array (11). The additional photodiodes (12) are configured to measure the respective intensity of the excitation light (L) incident on each of them. The computing electronics are configured to determine a normalized decay behavior of fluorescence light for one or more of the SPAD arrays (11) from the detected decay behavior and at least one of the measured intensities of the excitation light (L).Furthermore, a method for examining a sample is disclosed.

The invention provides a preparation method of a three-function nickel-cobalt alloy electrode, and belongs to the technical field of batteries, and the preparation method specifically comprises the following steps: printing a double-helix structure of NiCo resin through a digital light processing method; the double-helix structure is subjected to sintering treatment, cooling treatment and reduction treatment in sequence, and then 3D NiCo is obtained; the preparation method comprises the following steps: immersing 3D NiCo into a methanol solution containing Co (NO3) 2.6 H2O and 2-methylimidazole, and carrying out aging treatment to obtain Co-MOF / 3D-NiCo; and the Co-MOF / 3D-NiCo is sequentially subjected to washing treatment, drying treatment and carbonization treatment, and then the three-function nickel-cobalt alloy electrode is obtained. Compared with the prior art, the preparation method has the following advantages: the three-function nickel-cobalt alloy electrode prepared by utilizing the 3D printing technology disclosed by the invention has the advantages that the three-function nickel-cobalt alloy electrode is prepared by utilizing the multifunctional catalytic characteristic and the synergistic effect of the Ni-Co element; and growing a Co-based metal organic framework (MOF) precursor on the electrode and then anchoring cobalt nanoparticles into a nickel-doped carbon microarray through a carbonization process, so that the electrode becomes an efficient three-function catalytic electrode.

A micro-LED pixel includes: a first light-emitting platform; a second light-emitting platform disposed above the first light-emitting platform; and a third light-emitting platform disposed above the second light-emitting platform, wherein at least a portion of the third light-emitting platform completely covers the second light-emitting platform; and the first light-emitting platform, the second light-emitting platform, and the third light-emitting platform do not contact each other.

A micro projector and a semiconductor wafer are provided. The micro projector includes a micro LED array display chip; and a lens group provided above the micro LED array display chip and supported by a bottom connector. The semiconductor wafer includes a micro LED wafer including a plurality of micro LED array display chips; and a plurality of lens wafers stacked on the micro LED wafer to form a micro projector array.

The present invention relates to an online calibration method for parameters of a micro-array polarization camera based on a star sensor. The method comprises the following steps: using the light intensity gain coefficient, polarization coefficient, and polarizer installation angle of each polarization unit of the micro-array polarization camera as state variables to establish a state equation; based on the principle that the dot product of vectors remains unchanged in different coordinate systems, the moon vector in the geographic coordinate system is combined with the star vector observed by the star sensor to solve for the moon vector in the carrier coordinate system. Furthermore, the polarization azimuth is characterized based on the perpendicular relationship between the moon vector and the polarization vector. Furthermore, the polarization azimuth is combined with the model of each polarization unit of the micro-array polarization camera to establish a measurement equation for the polarization intensity of each optical path channel, the light intensity gain coefficient, polarization coefficient, and polarizer installation angle; and finally, an unscented Kalman filter is used to achieve online calibration of the micro-array polarization camera model parameters.

This invention belongs to the field of optoelectronic technology, specifically relating to a method for fabricating a controllable crystallization micron-scale perovskite light-emitting device based on solution pretreatment. The method includes the following steps: Step 1: Obtaining a patterned microporous substrate; Step 2: Pre-wetting and seed layer construction; Step 3: Deposition of the main perovskite layer; Step 4: Slow-release controllable crystallization; The spin-coated wet film is placed in a vapor atmosphere of a good solvent for treatment, followed by thermal annealing to form a perovskite thin film within the patterned micropores; Step 5: Fabrication of a controllable crystallization micron-scale perovskite light-emitting device based on solution pretreatment. This invention, using pre-wetting, seed guidance, slow-release crystallization, and vapor annealing on a patterned microporous substrate, achieves precise control over the entire process of film nucleation and growth kinetics within the confined space of the micropores, thereby achieving high-quality, uniform fabrication of perovskite thin films within micron-scale micropores, and ultimately obtaining a high-performance, highly uniform microarray perovskite light-emitting device.

The invention belongs to the technical field of metal fin manufacturing, and provides a device and a method for preparing a surface corrugated array metal heat exchange fin, the device comprises a die assembly, an input channel and a lower output channel are arranged in the die assembly, the input channel is communicated with the lower output channel, a microarray plastic extrusion cutter is arranged at the tail end of the input channel, and the microarray plastic extrusion cutter is arranged at the tail end of the lower output channel. A plurality of arrayed micro-size channels are formed in the micro-array plastic extrusion tool, the micro-size channels are used for extruding a micro-array groove structure on the side wall of a workpiece, a cutting tool is arranged below the micro-array plastic extrusion tool, and a transverse output channel is further arranged in the die assembly; one end of the transverse output channel is communicated with a gap between the microarray plastic extrusion tool and the cutting tool; and the loading assembly is used for pushing the workpiece to move downwards along the input channel. Based on the plastic extrusion cutting principle, the efficient heat exchange metal fin with the surface corrugated array structure can be efficiently prepared.

A carbon fiber implantable probe, a method of manufacturing the carbon implantable probe, and a method of implanting the probe in an implantation site, such as a nerve. The carbon fiber implantable probe includes a flexible probe body, a carbon fiber microarray (CFMA) comprising one or more carbon fiber electrodes at least partially embedded in the flexible probe body, and a signal conductor connected to the one or more carbon fiber electrodes of the CFMA. In one example, the CFMA includes carbon fiber electrodes having conductive carbon cores partially surrounded by an insulative coating. The combination of the CFMA with the flexible probe body, made of silicone rubber for example, can improve implantation processes.

Embodiments disclosed herein include optical communication modules and optoelectronic packages. In an embodiment, an optical communication module comprises a substrate, a transistor over the substrate, an array of micro light emitting diodes (LEDs) over the transistor, and a connector over the array of micro LEDs.

The invention relates to a micro-circular pit array electric spark machining method, which belongs to the technical field of electric spark machining process, and specifically comprises the following steps: preparing an initial micro-prism array electrode; the initial micro-prism array electrode is adopted for electric spark machining loss, and a loss micro-prism array electrode is obtained; and preparing the micro-circular pit array by adopting the loss micro-prism array electrode. When an initial micro-prism array electrode is prepared through wire cut electrical discharge machining, firstly, a thin-wall array is machined on a workpiece according to a snake-shaped wire moving path, and then the workpiece is rotated according to a set angle; according to the reciprocating wire moving path, an array structure is machined on the thin-wall array; and multiple times of machining are conducted through electric spark machining loss. According to the method, the characteristic that the loss of the section of the front end of the electrode is in an ellipsoid shape after the micro-prism array electrode is used for electric spark machining of a micro-hole array is utilized, and the lost micro-prism array electrode is used for preparing the micro-array circular pit on a workpiece in a repeated reflecting mode. The method is high in machining efficiency, high in precision and easy and convenient to operate.

The invention discloses a lithium ion battery electrode material high-throughput screening method based on a single-particle electrochemical technology, which comprises the following steps: firstly, depositing sample solutions of various different electrode materials on the same conductive substrate in an array form through an automatic sample application technology to form a microarray comprising a plurality of independent deposition points; then assembling into an electrochemical testing unit, and synchronously monitoring the dynamic optical response of each deposition point in situ by using an optical imaging system in the charging and discharging process; and finally, extracting and analyzing the optical signal of each point, and fitting to obtain electrochemical parameters for evaluating the performance of the material. The intrinsic electrochemical response data of dozens of to hundreds of material particles can be obtained in parallel by one experiment, the flux is high, the operation is simple and convenient, the interference of a conductive agent and a binder in the traditional electrode preparation is avoided, the material characteristics can be truly reflected, and the research, development and screening efficiency of the electrode material is remarkably improved.

A micro LED display panel (100, 300) includes a micro LED array area including a plurality of micro LED structures (200, 400), wherein the plurality of micro LED structures (200, 400) includes a first group micro LED structures (200A, 400A) and a second group micro LED structures (200B, 400B); a plurality of isolation contacts (290, 490) corresponding to the first group micro LED structures (200A), one of the isolation contacts (290, 490) being formed at a bottom of each of first micro LED structure in the first group micro LED structures (200A, 400A); and a plurality of conductive bottom contacts (270, 470) corresponding to the second group micro LED structures (200B, 400B), one of the conductive bottom contacts (270, 470) being formed at a bottom of each of second micro LED structures in the second group micro LED structures (200B, 400B).

The invention belongs to the technical field of LED display screens, and particularly relates to an LED display screen based on a nano coating technology and a preparation method of the LED display screen. Compared with the prior art, according to the LED display screen based on the nanometer coating technology, the transmittance and reflectivity of the LED display screen in different wave bands are adjusted through alternate coating of the low-refractive-index coatings and the high-refractive-index coatings, so that spectrum selective regulation and control are achieved, meanwhile, the reflection effect is improved through the surface prismoid-shaped microarray structure, the radiation surface area is increased, and the light transmittance of the LED display screen is improved. The heat dissipation performance and the optical requirement are balanced, so that outdoor LED display product cooling is achieved, and the heat dissipation device is particularly suitable for heat dissipation of an LED screen in an outdoor strong solar radiation area.

A 3D semiconductor device including: a first level including a single crystal layer, a memory control circuit, a first metal layer, a second metal layer, and a third metal layer; connection of the first transistors comprises the first, and / or the second, and / or the third metal layer; a fourth metal layer disposed atop third transistors disposed atop second transistors disposed atop said first level; a memory array including word-lines and at least four memory mini arrays which include at least four rows by four columns of memory cells, each of the memory cells includes at least one of the second transistors (at least one with a metal gate) or at least one of the third transistors; a connection path from the fourth metal to the third metal including a via disposed through the memory array; the memory control circuit includes first transistors and voltage regulators.

Systems and methods for detecting micro LED arrays using non-contact field effect electroluminescence are disclosed.

A method of constructing a defect level classification model of a micro LED array panel includes: defining a defect classification rule for classifying pixel defects; detecting a pixel defect of the micro LED array panel; identifying a pixel defect type of the detected pixel defect according to the defect classification rule; and, identifying a defect level of the micro LED array panel according to a defect level classification rule and the identified pixel defect type.

The invention discloses a micro array controllable spiral deformation ICE catheter and an imaging range expanding method.In the ICE catheter, a hollow acoustic window structure is arranged at the far end of a sheath tube and used for being filled with a liquid acoustic coupling medium, and a supporting assembly, a power assembly, a micro transducer linear array and a traction piece are connected into the hollow acoustic window structure; the supporting assembly is arranged in the axial direction of the sheathing canal. The micro transducer linear array comprises a plurality of transducer array elements which are rotatably arranged on the supporting assembly and are sequentially arranged in the axial direction of the sheath tube, and each transducer array element is provided with a piezoelectric layer perpendicular to the axial direction of the sheath tube; the traction piece is sequentially connected with the transducer array elements and is eccentrically connected with the transducer array elements; the output end of the power assembly is in transmission connection with the traction piece and can drive the traction piece to swing, the traction piece drives at least part of transducer array elements of the micro transducer linear array to rotate asynchronously so as to be arranged in a spiral form, clear image quality can be achieved in a dynamic view field, and the bending adjustment requirement of the sheath tube can be lowered.

A 3D semiconductor device including: a first level including a first single crystal layer and a memory control circuit including first transistors and control circuit connectivity provided by first, second, and third metal layers; a second level including second transistors (one which includes a metal gate) disposed atop the first level; third transistors disposed atop second transistors with a fourth metal layer disposed atop; a memory array including word-lines, the memory array includes at least four memory mini arrays, where each mini array includes at least four rows by four columns of memory cells, and where each of the memory cells includes at least one of the second or third transistors; a connection path from the fourth metal to the third or second metal layer, which includes a via disposed through the second level, and where the memory control circuit includes at least one power down control circuit.

Devices and methods for analyzing polymer arrays formed on integrated surfaces of microLEDs. One microarray includes a plurality of individually controllable microLED elements, a plurality of photodetector elements, an integrated surface, and a CMOS driver chip. Each microLED element is paired with a photodetector element. The CMOS driver chip controls activation of the microLED elements and the photodetector elements.

The invention relates to the technical field of fluid simulation, and discloses a micro array nozzle homogenization and deceleration method and system based on fluid simulation analysis, and the method comprises the steps: building a three-dimensional fluid simulation model of a coupling temperature field, a flow field and a self-oscillation field, detecting the outlet flow velocity, a pressure pulsation signal and a temperature signal of each micro nozzle; and a multivariable fuzzy PID controller is adopted, outlet speed uniformity, average speed and pressure pulse rate are taken as control targets, controllable parameters are dynamically adjusted, and active suppression and compensation of dynamic disturbance are realized. And meanwhile, real-time monitoring data is compared with a simulation result, a simulation model is continuously corrected by utilizing deviation, so that the simulation model infinitely approaches physical reality, a high-reliability control parameter set is generated, and the problem of control failure caused by model mismatch is fundamentally solved. Through a periodic online calibration mechanism, the flow distribution of each nozzle is adjusted in a self-adaptive manner, and automatic compensation of performance drift is realized, so that the targets of homogenization and deceleration are stably achieved for a long time.