178results about How to "Reduce distortion problems" patented technology

The invention discloses a visual image compression detection method, system and equipment for a power transmission line. The method belongs to the technical field of image data processing, and comprises the following steps: obtaining power transmission line image data, environment data and network data sent to a monitoring terminal, and dividing the data into dynamic information and static information; obtaining a dynamic information evaluation value and a static information evaluation value; setting a dynamic information evaluation value threshold value and a static information evaluation value threshold value, cutting the image according to a relation between the dynamic information evaluation value and the dynamic information evaluation value threshold value and a relation between the static information evaluation value and the static information evaluation value threshold value, and selecting a corresponding transmission strategy; compressing the cut image, and sending the compressed image to a monitoring terminal for visualization; and performing dynamic adjustment and optimization according to the transmission effect. According to the invention, by dynamically adjusting the size and priority of the cutting block, the image is quickly transmitted without distortion, and the problem of image distortion under the condition of ensuring the transmission speed in the prior art is solved.

The invention relates to the field of image enhancement, in particular to an image enhancement method and system of a vehicle-mounted image sensor. The method comprises the following steps: acquiring driving record images of a vehicle at multiple angles; dynamic scene self-adaptive exposure adjustment is carried out on the driving record images of the vehicle at the multiple angles, so that multiple self-adaptive exposure driving images are obtained; carrying out deep network noise identification on the plurality of adaptive exposure driving images, and carrying out dynamic filtering and noise reduction on sub-images one by one so as to generate a plurality of filtering and noise reduction optimized images; carrying out image texture analysis on the plurality of exposure sub-images, and carrying out texture distortion reconstruction to construct a plurality of texture reconstruction images; and road object visual identification is carried out on the plurality of texture reconstruction images, and adaptive contrast enhancement processing is carried out, so that a plurality of detail contrast enhancement images are constructed. According to the invention, a high-definition and stable panoramic vehicle-mounted image is realized.

The invention belongs to the technical field of calibration simulation, and particularly discloses a cable partial discharge calibration simulation system based on a programmable control technology, and the system comprises a signal parameter setting module which can set standard signal parameters through a signal generator, and covers the frequency, the amplitude, the pulse width and the repetition frequency. The signal coupling transmission module enables the signal generator to generate a signal and couple the signal to a cable. The environment parameter acquisition module is responsible for acquiring environment temperature, humidity, magnetic field intensity and electric field intensity of the signal generator and the cable at each monitoring point. The environmental parameter correction module monitors signal parameters of each monitoring point of the cable in real time according to the collected environmental data and analyzes temperature, humidity, magnetic field and electric field correction indexes. And the signal parameter correction module corrects and analyzes the cable signal parameters accordingly. And the deviation degree abnormity judgment module analyzes the deviation degree index based on the standard and the corrected signal parameter, and judges whether the deviation degree index is abnormal or not for calibration.

The invention discloses a transformer on-line monitoring and fault early warning system, and particularly relates to the technical field of power equipment monitoring, and the system comprises a signal collection module, a signal filtering module, a broadband focusing module, a signal complexity analysis module, a threshold self-tuning module, a fault early warning module and a fault positioning module. The signal acquisition module acquires operation data of a transformer in real time through a sensor network, the filtering module removes noise, and the broadband focusing module converts broadband signals into narrow-band signals, so that the resolution is improved; the signal complexity analysis module evaluates the signal complexity, and the threshold value self-tuning module dynamically adjusts the threshold value; the fault early warning module judges whether to trigger early warning based on the adjusted threshold value, and the fault positioning module determines the position of the partial discharge source through a cross positioning algorithm; according to the invention, the problem that the accuracy of early warning is affected due to the fact that a traditional fixed-threshold monitoring method is easy to generate false alarm or missing alarm can be solved, and operation and maintenance personnel can be helped to quickly determine the position of a fault source through cross positioning.

The invention relates to the technical field of foundation pit engineering, and discloses a foundation pit enclosure structure soil pressure calculation method and system under bilateral coupling deformation, and the method comprises the steps: obtaining deformation correlation parameters of an enclosure structure of a target foundation pit; initial deformation fitting is conducted on the enclosure structure, active and passive initial soil pressure of the enclosure structure is obtained, and the initial soil pressure is associated with the embedding depth of the enclosure structure; the deformation correlation parameters and the initial soil pressure are input into the bilateral coupling deformation calculation model, and horizontal deformation of the two sides of the enclosure structure is obtained; inputting the horizontal deformation of the two sides into a non-limit soil pressure calculation model to obtain the soil pressure of the enclosure structure; and if the horizontal deformation on the two sides and the soil pressure do not meet the convergence requirement, inputting the soil pressure into the bilateral coupling deformation calculation model for iteration. According to the method, the stress conditions of the two sides of the enclosure structures can be considered, so that the mutual influence of stress between the enclosure structures on the two sides is coupled.

The invention discloses a remote sensing image semantic segmentation method, system and device and a medium, and the method comprises the following steps: obtaining remote sensing building data, and inputting the data into a pre-trained semantic segmentation network, so as to achieve the precise segmentation of a building in a remote sensing image. The semantic segmentation network includes an encoder module and a decoder module for adaptive context selection based on structure priori guidance. In the training stage, a special remote sensing building data set is utilized to train the network so as to optimize the segmentation performance of the network. According to the method, by introducing structure prior information and an adaptive context selection mechanism, the accuracy and efficiency of building segmentation in the remote sensing image are effectively improved, and the problem that remote sensing buildings are difficult to distinguish when pixel visual evidences are weak or the remote sensing buildings belong to small space structure objects is solved.

The utility model discloses a PCB structure for improving a clock signal backflow path, which comprises a PCB body, the PCB body comprises a surface wiring layer and a plurality of internal wiring layers which are arranged from top to bottom, the surface wiring layer is provided with a clock signal layer changing hole and GND backflow holes distributed at two sides of the clock signal layer changing hole, and the GND backflow holes are communicated with the internal wiring layers. The center distance between the GND backflow hole and the clock signal layer change hole is smaller than or equal to 3 mm. According to the design, the backflow path of the clock signal is obviously optimized, so that the stable backflow path of the clock signal in the transmission process can be ensured, attenuation and distortion of the clock signal can be reduced, the stability and accuracy of the clock signal can be improved, and the GND backflow hole not only provides the stable backflow path, but also improves the reliability of the clock signal. And electromagnetic radiation generated in the clock signal transmission process is effectively absorbed through the metal grounding property, so that interference to other circuits and systems is reduced.

The invention relates to the technical field of robots, and discloses a robot leg walking mechanism and a quadruped robot, the robot leg walking mechanism comprises a plurality of big arms, one side of each big arm is connected with a floating assembly, the floating assembly comprises a connecting box and an air bag, the connecting box is fixedly connected with one side of the big arm, and a placing groove is formed in the side, away from the big arm, of the connecting box; an air bag is fixedly connected into the containing groove, one side of the big arm is sequentially connected with an inflation assembly, a deflation assembly and an air injection assembly from top to bottom, and one side of the connecting box is connected with a closing assembly. According to the robot leg walking mechanism and the quadruped robot, by means of the floating assembly, the quadruped robot can keep floating in a deep water area, so that a robot body is prevented from being completely immersed in water, the risk that a camera lens is stained with water is reduced, and the quality and accuracy of real-time image transmission are ensured; therefore, a clear visual field and stable walking capability are provided for the quadruped robot, visual misjudgment or distortion can be reduced, and the accuracy and efficiency of inspection tasks are improved.

The invention discloses a signal data real-time acquisition, storage and transmission device applied to a hydrophone, and the device comprises a plurality of sound wave receivers disposed on a measurement platform to form a matrix layout; receiving sound wave signals of different underwater paths, and performing electric signal conversion; analyzing the received sound wave signal, extracting signal data of the sound wave, and calculating the arrival angle of the sound wave signal; calculating the position of a target signal source, determining main signals in different paths, and correcting the main signals; the corrected signal data is transmitted to a storage device for segmented storage; according to the invention, the plurality of receivers are deployed on the measurement platform to form the matrix layout, and the position of the target signal source is calculated, so that the main signals received by the receivers are determined, the multipath effect caused by water body boundary reflection is eliminated, the main signals are corrected, the quality and accuracy of the signals are improved, and the measurement accuracy is improved. And accurate transmission and storage of underwater signals are ensured, so that the performance of the hydrophone system in a complex underwater environment is ensured.

The invention relates to the technical field of cables, and particularly discloses an anti-interference control cable. The anti-interference control cable comprises a plurality of cable cores, a glass fiber tape wrapping layer, a glass fiber filler, an inner copper-plastic composite tape shielding layer, an aluminum wire braided shielding layer, an outer copper-plastic composite tape shielding layer, a mica tape wrapping layer and a sheath layer. The sheath layer is formed by extruding and processing a flame-retardant cross-linked polyethylene material; the flame-retardant crosslinked polyethylene material is mainly prepared from the following raw materials: a linear low-density polyethylene prepolymer, an ethylene-vinyl acetate prepolymer, maleic anhydride grafted polyethylene, stearic acid, a modified hyperbranched amide polymer, a crosslinking agent, an antioxidant, an ultraviolet light absorber and a flame retardant. The flame-retardant crosslinked polyethylene material has the characteristics of high tensile strength and good aging resistance. The anti-interference control cable has the characteristics of strong anti-electromagnetic interference capability, good flame retardance and good aging resistance, shows excellent comprehensive performance, improves safety and reliability, and meets market requirements.

The present invention relates to the field of image defogging, and specifically discloses a 4K image defogging method, device and storage medium based on weakly supervised contrast learning, including S1, obtaining a dark channel prior image #imgabs1# after dark channel prior processing of a foggy image #imgabs0#; weighted fusion of the foggy image #imgabs2# and the processed image #imgabs3#, and finally obtaining a fused image #imgabs4#; S2, inputting the fused image #imgabs5# into a U-net convolutional neural network structure for processing, and inserting a residual block and introducing an SC attention mechanism during processing; S3, using PatchGAN as a discriminator, which divides the restored image #imgabs6# into many small overlapping areas, judging whether each small area is part of the real image, using the least squares GAN loss to train the network, and finally discriminating and obtaining the restored fog-free image #imgabs7#; S4, contrast learning loss function. The beneficial effects achieved by the present invention are: the high-resolution image defogging algorithm is short in time and can maintain a high-precision defogging effect.

The utility model provides a high-reliability SIC-MOSFET terminal structure, belonging to the technical field of semiconductor devices, the high-reliability SIC-MOSFET terminal structure comprises a source electrode and a drain electrode, the source electrode is the input end of an MOSFET and is used for current in a circuit to enter, and the drain electrode is the output end of the MOSFET and is used for exporting current; a groove and a grating are arranged between the source electrode and the drain electrode, the structure among the source electrode, the drain electrode, the groove and the grating is a FinFET structure, the source electrode and the drain electrode are fixedly connected through the middle groove and the grating, the groove is fixedly connected with the grating, the groove comprises a first groove and a second groove, and the first groove and the second groove are communicated with each other. The first groove is fixedly connected with the source electrode. The problem that an existing SIC-MOSFET0 is prone to being broken down under the conditions of high voltage and high current can be solved.

The embodiment of the invention provides an optical module and optical display equipment. Wherein the optical module comprises a lens group, a light splitting element, a phase retarder and a polarization reflection element which are arranged along the same optical axis, and the phase retarder is located between the light splitting element and the polarization reflection element; the lens group at least comprises two lenses; the lens group is provided with at least one lens with negative focal power, and the lens with the negative focal power meets the condition that (T1 / T2) * (v-50) / n is more than or equal to 3 and less than or equal to 17; wherein T1 is the thinnest thickness of the lens with the negative focal power in the optical effective diameter, T2 is the maximum thickness of the lens with the negative focal power in the optical effective diameter, and n and v are the refractive index and the Abbe number of the lens with the negative focal power respectively.

The invention discloses an offset cancellation circuit, which comprises a signal conditioning unit used for processing an input signal and outputting a first current signal, an offset cancellation unit used for removing offset current in the first current signal and outputting a second current signal, and a signal processing unit used for processing the second current signal and eliminating offset voltage, the detuning elimination unit specifically comprises a chopper, a digital analog converter, a successive approximation register logic module and a comparator which are connected in sequence, and through multi-level detuning elimination, the precision of the whole circuit is improved, the processing capacity for weak signals is enhanced, the anti-interference capacity is improved, and noise is reduced; the method ensures the stability of long-time operation, and has a wide application prospect in the field of high-precision signal processing.

The invention belongs to the technical field of computers, and particularly provides a house asset management system and method.The house asset management system comprises a data layer, a service layer and an application layer, the service layer is located on the data layer, and the application layer is located on the service layer and can call an API interface provided by the service layer; wherein the application layer comprises a multi-party interaction communication platform, a house asset management module, an intermediary channel management module, a tenant / buyer information management module and a house resource information issuing and matching module; the problems of information islands, unsmooth communication, low management efficiency and the like in a traditional house asset management system are solved, and seamless connection and efficient cooperation among a house asset party, a house intermediary channel party and potential tenants or buyers are realized by constructing a system integrated with a multi-party interactive communication platform.

The invention relates to a self-adaptive vibration reduction support for a vision measurement system. The vibration reduction support comprises a lower base and an upper supporting plate and is used for placing vision measurement equipment and a filtering device. A loading shock isolation assembly is arranged in the middle of the vibration reduction support, and the three-direction vibration isolation design is achieved through the synergistic effect of the evenly-distributed vertical main spiral springs and the quasi-zero stiffness shock isolation device. According to the shock isolation device, a horizontal rigid supporting base forms transverse constraint on a bistable beam, fastening connection is achieved through screw rod design, and the quasi-zero stiffness characteristic is jointly formed through the horizontal rigid supporting base and a lower auxiliary spiral spring. A special bistable beam elastic structure is designed, so that a bearing effect is provided for upper equipment, and a constant three-way vibration isolation effect can be kept under different frequencies. And the upper digital filtering device is used for further processing high-frequency noise and ensuring the measurement precision and stability of the vision measurement system. According to the self-adaptive vibration reduction support, digital filtering and physical vibration isolation are fused, and a complete set of method for improving the vision measurement precision is achieved.

The invention provides a differential bridge structure and a communication system, the differential bridge structure comprises at least two bridge modules, and the bridge modules are configured to be single-ended input and double-ended output; the bridge module comprises a load, a first coupling line with an input end and a straight-through end which are opposite to each other, and a second coupling line with a coupling end and an isolation end which are opposite to each other; wherein the input end is configured to receive differential signals, the isolation end is configured to be grounded after being connected with a load in series, and the direct connection end and the coupling end are configured to enable the phase difference of output signals to be kept 90 degrees. In the scheme, the phase difference between the output signals of the straight-through end and the coupling end is kept at 90 degrees, that is, the two output signals are orthogonal signals, the orthogonality can be used for demodulation, signal separation or signal synthesis, the signal processing capacity is enhanced, and the signal processing flexibility of the differential bridge structure is improved; and the load is grounded at the isolation end, so that the consumption of coupling energy is reduced, the noise and distortion of the signal in the transmission process are reduced, and the integrity of the signal is ensured.

The invention discloses a text set similarity calculation method and device for retrieval enhancement generation, and the method comprises the steps: carrying out the preprocessing of an obtained text set, and calculating the cosine similarity and BM25 score between any two texts in the text set; taking the cosine similarity and the BM25 score as a semantic similarity weight and a text similarity weight respectively, and constructing two sub-graphs; performing multi-round clustering on the two sub-graphs, recording the survival time of the edge weight of each node in the sub-graphs, determining the real edge weight of each text based on the survival time of the edge weight of the same node in the two sub-graphs, and obtaining a comprehensive graph taking the text as the node based on the real edge weight; and calculating the comprehensive graph by adopting a Kruskal algorithm to obtain a minimum spanning tree, and determining the similarity of the texts in the text set based on the minimum spanning tree, so that the text similarity in one text set can be accurately described under the condition of ensuring the processing efficiency.

The present application relates to the technical field of digital professional audio equipment, and in particular to a mixing console tuning management method, system, device and storage medium. The present application first obtains the audio signal and the user's mixing selection information to determine the overall mixing numerical information; then, by analyzing the propagation distance, targeted sound parameters are generated for each area, which can better simulate the real sound field, make the sound effect in different areas more natural and realistic, and achieve more refined spatial control; during the actual playback process, the method obtains the real-time sound field monitoring data of each partition, and compares it with the preset ideal sound field model. If the deviation exceeds the threshold range, the sound field optimization is triggered, and the mixing parameters of each audio track are adaptively adjusted according to the optimization feedback, so that the final sound field effect is close to the ideal state, thereby comprehensively improving the efficiency and quality of automatic tuning.

The present invention discloses a dual-branch generative adversarial watermark attack algorithm, which relates to the field of image processing technology and is characterized in that it comprises the following steps: S1: constructing a precise two-branch generative adversarial network architecture, including a detail-preserving generative adversarial network and a watermark attack generative adversarial network; S2: image difference analysis: using a precise two-branch generative adversarial network architecture to perform pixel-by-pixel difference operations between the original image and the watermarked image to extract image details and watermark information, and outputting two independent channels, namely, an image detail map and a watermark information map; S3: generating a detail-preserving image. The present invention can effectively counter existing watermarking technologies while maintaining image quality, provides a new tool for watermark security assessment, and promotes the advancement of watermarking technology.

The objective lens converter comprises a rotating disc used for installing an objective lens, the upper surface of the rotating disc is provided with an annular upper groove used for containing a ball, the lower surface of the rotating disc is provided with an annular lower groove used for containing the ball, and the rotating disc is provided with an initial position flag bit; the upper cover is arranged above the turntable and is provided with an annular cover plate groove and an inner annular flange; an output shaft of the stepping motor is directly coupled with the center of the turntable; a mounting hole is formed in the base, and an annular guide rail is arranged on the base; the magnetic encoder is installed on the stepping motor and used for controlling the rotation angle of the stepping motor; the first photoelectric switch sensor is mounted in the cover plate groove of the upper cover; and the second photoelectric switch sensor is arranged in the cover plate groove of the upper cover. According to the invention, the response speed and positioning precision of objective lens conversion are improved.

The utility model belongs to the technical field of sound equipment, and provides a loudspeaker anti-shake structure and sound equipment, which comprise a loudspeaker and an anti-shake device. The loudspeaker is provided with a sound output end and a tail end; the anti-shake device comprises a rotating assembly, the rotating assembly is provided with a rotating shaft, and one end of the rotating shaft is connected with the tail end of the loudspeaker. The anti-shake structure of the loudspeaker is arranged at the tail end of the loudspeaker, and circumferential and irregular vibration generated when the loudspeaker works is counteracted through high-speed rotation work of the anti-shake device, so that phase jitter generated by other vibration interference in the loudspeaker is reduced, noise and distortion are reduced, and the service life of the loudspeaker is prolonged. The sound wave radiated by the loudspeaker is consistent with the added audio signal in time domain and frequency domain, and the phase is consistent, so that the tone quality is clearer and more accurate, and the layering sense, the positioning sense and the space sense of the whole sound system are further improved.

The invention relates to the technical field of psychological analysis, in particular to a user psychological state analysis method and system based on an intelligent robot. The method comprises the following steps: carrying out dynamic interaction with a user based on an intelligent robot, collecting a real-time interaction video of the user, and obtaining physiological state parameters of the user through a sensor; performing image optimization on the user real-time interaction video, and constructing a filtering optimization interaction video; performing user dynamic micro-expression analysis on the filtering optimization interaction video to obtain user deep micro-expression state features; performing dynamic limb behavior feature mining on the filtering optimization interaction video to generate personalized limb behavior features of the user; performing time sequence fluctuation trend fitting on the physiological state parameters of the user so as to construct a physiological state fluctuation trend curve; and performing user emotional state analysis on the personalized limb behavior characteristics of the user based on the deep micro-expression state characteristics of the user to generate a user emotional evolution rule. According to the invention, efficient and accurate psychological state analysis is realized.

The invention discloses a clock travel time accuracy automatic detection method based on machine vision, and relates to the technical field of machine vision. The method comprises the steps of capturing an image and a video stream of a target clock in real time through a high-resolution camera, performing preprocessing, extracting clock dial and pointer characteristics through Hough transform and an image segmentation technology, calculating a pointer angle, matching the pointer angle with a standard dial image, and obtaining a static error index; the method comprises the following steps of: dynamically tracking a pointer motion track through an optical flow method and a Kalman filter, analyzing the influence of environmental factors on a travel time error, obtaining a dynamic error index, and finally, comprehensively analyzing a static error and a dynamic error, calculating the travel time error index of the clock, and comparing the travel time error index with an error threshold value, so as to judge the travel time accuracy of the clock. The method can automatically and accurately detect the timekeeper travel time error, improves the detection efficiency, reduces personal errors, and comprehensively analyzes the influence of environmental factors on the timekeeper travel time precision.

The invention relates to the technical field of optical fiber wireless communication and mobile forward transmission, in particular to a digital analog optical fiber wireless forward transmission transmitting end parameter self-adaptive optimization method and system based on reinforcement learning. Decomposing the normalized wireless signal into digital parts of all levels and a final analog residual error part through multi-level modulation, and transmitting the digital parts and the final analog residual error part in a time division multiplexing manner; a receiving end represents inter-symbol interference caused by link nonlinear distortion and bandwidth limitation, and the signal-to-noise ratio of a recovery signal is calculated based on the error vector amplitude. Parameters of a transmitting end are optimized and modeled into a Markov decision process, states comprise rounding factors, scaling factors, constellation forming factors and pre-equalization filter tap coefficients of all levels, and actions are discrete increments of the parameters; a reinforcement learning agent is constructed by using a dual deep action value network, and training is updated in combination with experience playback and a target network. The reward function comprises a threshold satisfaction item and a signal-to-noise ratio change item; parameters are interactively updated in the training stage, and online self-adaptive adjustment is performed in the reasoning stage.

The invention relates to urine drainage equipment capable of quickly and automatically responding and a special drainage material, an anti-leakage shell 20 in the special drainage material is provided with an automatic trigger switch which can automatically sense the urination state of a patient and quickly respond to start negative pressure suction, and the automatic trigger switch is automatically switched off after urination is finished, so that the urination state of the patient can be automatically sensed. And the urine drainage equipment 10 is recovered to a standby or dormant state. According to the technical scheme, the prepared nursing consumables are lower in cost and high in universality, the urination state monitoring sensitivity is high, the distortion or false triggering probability is extremely low, the negative pressure starting response time is short, and the problem of urine overflow caused by urine sensing delay or negative pressure starting lagging after urination is avoided.

The invention discloses an embroidery machine frame movement execution speed control system, which relates to the technical field of embroidery machine control and comprises a data acquisition module, a processing module, a calculation module, an execution processing module and a monitoring module. The method has the advantages that parameters such as pattern path length and main shaft rotating speed are accurately calculated, a pattern original point does not need to be re-determined and checked under the condition of switching multiple patterns, so that the remodeling efficiency is improved, the operation difficulty and cost are reduced, whether the embroidery range is exceeded or not can be automatically judged before the patterns are embroidered, and the embroidery efficiency is improved. According to the system, the over-frame phenomenon of a pattern is effectively eradicated, the quality and the attractiveness of an embroidery product are improved, and the original point of the embroidery machine is not deviated by means of adjustment, error compensation and the like, so that the embroidery precision is greatly improved; and the control efficiency of the control device on the motor and the interpolation operation efficiency are improved, so that the frame movement execution speed of the embroidery machine is improved.

The embodiment of the invention provides a digital isolator based on charge detection and an implementation method of the digital isolator based on charge detection, high-voltage capacitors with two channels independent of each other are adopted for isolation, rising edge oscillation signals and falling edge oscillation signals are transmitted respectively, and no matching requirement exists relative to a differential channel; the signal encoding side and the signal decoding side are both matched with mutually independent dual-channel charge detection circuits, the encoding side charge detection unit is used for controlling the voltage-controlled oscillation unit to work through charge detection, detecting continuous first preset number of pulses to turn over high level and terminating the work of the voltage-controlled oscillation unit, otherwise, the pulse is low level; and the decoding side charge detection unit is used for detecting continuous pulses with a second preset number and generating a setting / resetting signal for the RS trigger to recover the original signal. According to the mode, the influence of interference signals on the oscillation signal frequency is avoided, and the correctness and reliability of signal demodulation are greatly improved.

The application relates to the fields of microelectronic packaging and novel display technology, and discloses a packaging method suitable for a hybrid device packaging structure of a MicroLED, which comprises the following steps: preparing a wide-bandgap semiconductor driving chip, a logic control chip and a light-emitting pixel chip; transferring and fixing the wide-bandgap semiconductor driving chip, the logic control chip and the light-emitting pixel chip on the surface of a carrier plate in a coplanar mode; depositing a dielectric layer on the surface of the carrier plate to expose electrode contacts; manufacturing metal wires to build an internal electrical interconnection structure and lead out a peripheral interface; coating a packaging material on the surface of the carrier plate to insulate and coat the internal electrical interconnection structure; curing and cutting to separate an independent pixel packaging body; and assembling the pixel packaging body to a display panel substrate and connecting the peripheral interface to a global power supply network. The application suppresses the hot carrier effect under high-temperature working conditions, solves the problem of thermal failure, reduces the parasitic capacitance of high-frequency driving interconnection, removes potential failure products before macroscopic mounting, and improves the assembly yield of a display panel array.

The utility model relates to a signal surge protection circuit with multistage protection, comprising a protection branch, the protection branch comprises a first stage protection circuit, the input end of the first stage protection circuit receives an input electric signal; the first-stage protection circuit comprises a first discharge branch connected to a ground terminal; the input end of the second-stage protection circuit is connected with the output end of the first-stage protection circuit; the second-stage protection circuit comprises a second discharge branch connected to the grounding end; wherein when the input electric signal is between a first threshold value and a second threshold value, the first discharge branch is conducted and is communicated with the grounding end, and when the input electric signal exceeds the second threshold value, the second discharge branch is conducted and is communicated with the grounding end. The embodiment of the utility model adopts a multi-level protection design, and can cope with different levels of lightning strokes and power interferences.