4471 results about "LED display" patented technology

The invention relates to the technical field of LED display, solves the problem that the existing LED display defect detection and parameter adjustment technology is lack of multi-modal information fusion and intelligent process control capability and is difficult to meet the quality control requirement of a high-precision display product, and provides an LED display defect prediction and process adjustment method and system based on multi-modal fusion. The method comprises the following steps: performing multi-modal data fusion processing on optical image data, electrical test data and thermal infrared imaging data corresponding to a to-be-tested LED display screen to obtain fused data; inputting the fused data into a pre-trained defect recognition model to obtain a defect recognition result; according to a process parameter adjustment strategy corresponding to the defect identification result, adjusting the original process parameter to obtain a target process parameter; and according to the target process parameters, process flow correction processing is carried out, and a qualified LED display screen is produced. According to the method, the defect identification precision is improved, and the quality control requirement of high-precision LED display screen production is met.

The invention relates to an electronic musical instrument ensemble system and an electronic musical instrument playing guiding device. The electronic musical instrument ensemble system comprises an electric musical instrument serving as host equipment and an electric musical instrument serving as slave equipment. Each electric musical instrument is provided with an LED display screen used for indicating a user to activate a corresponding sound induction assembly, each LED display screen comprises a plurality of LED light bars, each LED light bar is formed by a plurality of LED beads which are sequentially arranged at equal intervals from top to bottom, and each LED display screen is electrically connected with a main control circuit board of the corresponding electric musical instrument. Through the electronic musical instrument ensemble system and the electronic musical instrument playing guiding device, a plurality of electronic musical instruments of the same kind or different kinds can be connected, one electronic musical instrument serves the host equipment and controls the LED display screens, used for playing instruction, of other slave equipment, and therefore the purpose of jointly playing the same melody is achieved.

The invention relates to an LED display device based on vertical stacking and a preparation method thereof, the display device comprises a driving backboard and a mother pixel, the mother pixel comprises a plurality of sub-pixels, one of a first type of electrode contact and a second type of electrode contact on the driving backboard is a common-pole contact, and the other one is a non-common-pole contact; the electric connectors comprise common-pole conductive parts and non-common-pole conductive parts, the non-common-pole conductive parts are configured to be electrically connected to the first ends of the corresponding sub-pixels and electrically connected with the corresponding non-common-pole contacts, and the common-pole conductive parts are configured to be electrically connected to the second ends of the sub-pixels and electrically connected with the common-pole contacts to form a common-pole structure; each of the copolar conductive part and the non-copolar conductive part comprises an interconnection conductive part, the interconnection conductive parts are located in the corresponding pixel layers, at least one interconnection conductive part comprises a core body, the core body is a compound semiconductor, and the core body is located in the first inner fence. The invention further discloses a preparation method. The production efficiency and quality of the LED display device can be improved.

A multi-layer display including an upper substrate including light emitting diodes (LEDs) fabricated on a topside of the upper substrate, and LED bonding pads fabricated on a bottomside of the upper substrate. The LED bonding pads being electrically connected to the LEDs through vias extending through the upper substrate. The display also including a lower substrate including LED driver circuits and driver bonding pads fabricated on a topside of the lower substrate. The driver bonding pads being electrically connected to the LED driver circuits, where the LED bonding pads and driver bonding pads are aligned and electrically connected to each other, thereby electrically connecting the LED driver circuits to the LEDs.

The invention relates to the technical field of display screen control, and discloses an LED display screen intelligent control system and method, and the system comprises a module M1 which is an environment perception and collection module; the module M2 is a dynamic display optimization module; the module M3 is a multi-mode cooperative control module; the module M4 is an intelligent fault tolerance module; the module M5 is an energy management module; the method comprises the following steps: S1, collecting data in real time through an environment sensing and collecting module; s2, according to environmental parameters; s3, designing a redundant drive circuit; s4, realizing partition management of the display content through a multi-mode cooperative control module; s5, the intelligent fault tolerance module automatically switches a standby communication link; s6, the driving current is dynamically adjusted according to the environment temperature and the display load; according to the invention, the adjustment parameters can be preloaded to the display driving main control unit, so that rapid and accurate adaptive adjustment of the brightness, color temperature and color gamut of the display screen is realized.

The invention discloses a distributed LED display screen collaborative management system and method, and relates to the technical field of LED display screen control. According to the system, video stream data and equipment log data are monitored, a difference area and a static area are extracted, a high-dynamic display area is identified, a data packet is compressed, an equipment log is analyzed by using a long and short-term memory network, and a fault data packet is output. Different manufacturer device protocol header fields and parameter sets in the compressed data packet and the fault data packet are mapped into a unified standard operation code, a synchronization instruction set with a timestamp is generated, and a device node weight matrix is dynamically adjusted. And in combination with the synchronous instruction set and the node weight matrix, by taking the screen resolution, the node load and the task priority as state spaces, generating a task allocation matrix, reasonably allocating rendering node IDs, transmission paths and energy consumption constraint values, and outputting a delay tolerance threshold and a resource preemption rule. And the resource utilization rate, the fault response capability and the cooperative work efficiency of the LED display screen are improved.

The invention relates to an LED display screen fault detection method and device, equipment and a medium. The method comprises the following steps: in response to an obtained fault detection instruction, sending a preset standardized excitation pattern sequence to a target LED display screen, and synchronously generating a response acquisition instruction; obtaining response data, and binding the response data with the excitation frame number of the standardized excitation pattern sequence to obtain a response parameter; the response parameters comprise excitation frame numbers, thermal imaging data, actual display response images and electrical parameters; performing feature extraction on the response parameter to obtain a multi-source feature vector; the multi-source feature vector comprises a response feature and a time sequence feature; fault type classification and early warning prediction are carried out according to the multi-source feature vectors, and a detection result is obtained; the detection result comprises the risk level, the current display screen type and the corresponding probability. The method can effectively solve the problems of single perception information, lack of prediction capability, high false alarm rate and the like of a traditional method, and fault detection and fault risk assessment are carried out on the LED display screen.

The invention provides a cross-platform content compatibility method and system based on a virtual shooting LED display screen. The method comprises the following steps: processing an irrelevant data content stream of a content stream of a heterogeneous content source to generate an intermediate data stream; constructing a virtual logic display space according to the resolution parameter of the intermediate data stream and the curvature data of the physical screen database; performing dynamic resource allocation based on the control point grid of the virtual logic display space, and generating a rendering task queue; loading a three-dimensional lookup table to perform forward color gamut conversion according to the rendering task queue and a physical screen color configuration file, and adjusting HSL offset according to collected real-time chroma data to generate frame cache data; and determining a delay compensation value based on the frame buffer data and the PTP clock signal, and inserting a corresponding time offset in an output queue through the delay compensation value to generate a multi-screen output signal. According to the scheme, the rendering accuracy, the color consistency and the display stability in the virtual shooting scene can be remarkably improved.

The invention relates to a light sensation self-adaption and white balance cooperative adjustment method and device for an LED display screen, and the method comprises the steps: collecting the illumination value of current ambient light and the spectral distribution of the ambient light, and calculating the color temperature value of the ambient light; according to the color temperature value, inquiring a pre-stored color temperature-gain parameter corresponding relation library to determine a corresponding white balance gain parameter; according to the illumination value, a backlight brightness adjustment amount is calculated through a pre-constructed logarithm compensation model; associating and binding the white balance gain parameter and the backlight brightness adjustment amount, and outputting the white balance gain parameter and the backlight brightness adjustment amount to a pulse width modulation signal generation unit and a digital-to-analog converter through a microcontroller; and outputting the white balance gain parameter to a digital-to-analog converter, outputting the backlight brightness adjustment amount to a pulse width modulation signal generation unit, generating a synchronous adjustment signal to drive an LED display unit, and carrying out cooperative adjustment of backlight brightness and white balance so as to achieve the purpose of unified regulation and control of visual comfort and color rendition authenticity.

The invention provides an intelligent POB module integration platform and a control method thereof, and the method comprises the steps: detecting the state data of each pixel point of an LED display screen through an optical sensing array, obtaining a damaged pixel point in the LED display screen, recording the damaged pixel point to a storage unit, and maintaining a dead pixel position table in the storage unit; compensating the brightness of the bad pixel points through the neighborhood pixel points; the display content of the LED display screen is predicted through AI during compensation, and the refresh rate of the LED display screen is dynamically driven according to the predicted display content; according to the physical pixel density, the LED display screen is divided into grid partitions, the grid partitions are sorted according to priorities, the real-time power consumption of each partition is calculated after the LED display screen is refreshed, and if the real-time power consumption is larger than a preset threshold value, the current and the duty ratio of the low-priority area are reduced. Through the control method, a compensation scheme can be started in time after a dead pixel occurs, the maintenance and replacement cost is reduced, and the operation and maintenance efficiency is improved.

The invention relates to an LED display screen environment interaction system based on multi-mode perception and a control method. The system comprises a multi-mode sensing module used for acquiring environment information of the LED display screen; the user position distribution comprises a user distribution hot area map, an area target vector and an interference index; the environment fusion sensing module is used for performing fusion reasoning according to the environment illumination intensity, the environment temperature state, the regional target vector and the interference index to obtain an environment state type; the display strategy control module is used for generating a dynamic control parameter based on the environment state type in combination with the user distribution hot area graph; the LED display screen driving module is used for obtaining an adjusting parameter and an adjusting instruction according to the dynamic control parameter; the adjustment parameters comprise an RGB current parameter, a brightness parameter and a color temperature parameter. By adopting the system, the dynamic change of the environment and the crowd is taken as a driving source, perception, analysis and execution driving are integrated, and the energy use efficiency is improved while the visual experience of a user is improved.

The invention relates to an LED display device based on vertical stacking and a preparation method thereof. The display device comprises a driving backboard and a mother pixel, the mother pixel comprises a plurality of sub-pixels, one of a first type of electrode contact and a second type of electrode contact on the driving backboard is a common-pole contact, and the other one of the first type of electrode contact and the second type of electrode contact on the driving backboard is a non-common-pole contact; the non-common-pole conductive pieces are configured to be electrically connected to the first ends of the corresponding sub-pixels and electrically connected with the corresponding non-common-pole contacts, and the common-pole conductive pieces are configured to be electrically connected to the second ends of the sub-pixels and electrically connected with the common-pole contacts to form a common-pole structure; each of the copolar conductive part and the non-copolar conductive part comprises at least one interconnection conductive part, a compound semiconductor region is arranged in the pixel layer where the interconnection conductive part is located, a backfill hole is formed in the compound semiconductor region, and the backfill hole is filled with the interconnection conductive part. The invention further discloses a preparation method. The stability and reliability of the LED display device can be improved, and the LED display device is more convenient to process.

The invention relates to a transfer method of a Micro LED packaging structure and a Micro LED display device, and relates to the technical field of semiconductor display. According to the transfer method of the Micro LED packaging structure, the ratio of the thickness of a packaging layer subjected to planarization processing to the height of a Micro LED unit is set to be larger than 10, then four symmetrically-distributed concave cavities are formed in the packaging layer of each Micro LED packaging array, the ratio of the depth of the concave cavities to the thickness of the packaging layer is 0.3-0.5, and the ratio of the depth of the concave cavities to the thickness of the packaging layer is 0.3-0.5. The distance between every two adjacent concave cavities is 800-3000 microns, through the process steps, the large-size magnetic component can be formed, the preparation process of the magnetic component is simplified, and the magnetic attraction force of the magnetic component can be improved.

A method of controlling an LED display device comprising an variable-wavelength LED comprises the steps of: providing a power supply to the variable-wavelength LED; and controlling the power supply to vary the peak emission wavelength of the LED within the emission wavelength range. A method of controlling a display device to reproduce a particular spectrum of light is provided.

The invention relates to an LED display device based on vertical stacking and a preparation method thereof, the display device is provided with a driving back plate and a mother pixel, the mother pixel comprises a plurality of sub-pixels, the driving back plate comprises a first type of electrode contacts and a second type of electrode contacts, and electric connecting pieces comprise copolar conductive pieces and non-copolar conductive pieces. Each non-copolar conductive piece corresponds to a different sub-pixel; one of the first type of electrode contacts and the second type of electrode contacts is a common-pole contact, and the other one is a non-common-pole contact; the driving backboard comprises a plurality of non-common-pole contacts, the plurality of non-common-pole contacts are divided into at least two ring groups, and each ring group corresponds to different sub-pixels; the non-co-polar conductive members are configured to be electrically connected to the non-co-polar contacts in the ring groups of the respective corresponding sub-pixels, and the co-polar conductive members are configured to be electrically connected to the co-polar contacts to form a co-polar structure. The invention further discloses a preparation method. According to the invention, the problem of overhigh local current density in the display device is effectively improved, and the reliability and stability of the device are effectively improved.

The invention provides an LED display screen interaction method and system supporting voice interaction, and the method comprises the steps: carrying out the voice feature extraction processing through obtaining a continuous voice data stream sent by a user, and obtaining an acoustic feature sequence and a semantic association feature set of a voice segment; and calling a pre-trained voice semantic understanding model to perform joint semantic analysis processing on the acoustic feature sequence and the semantic association feature set, generating a semantic understanding result of the voice segment, and determining a user interaction intention type corresponding to the continuous voice data stream and key information positioning features of the user interaction intention in the voice content based on the semantic understanding result. And generating an LED display control instruction containing an interaction content identifier based on the user interaction intention type and the key information positioning feature, and sending the LED display control instruction to the target LED display screen to execute an interaction display operation. The real intention and key information in the continuous voice of the user can be accurately understood, the accuracy and naturalness of voice interaction between the LED display screen and the user are remarkably improved, and the interaction experience of the user is effectively improved.

The invention discloses an automatic pixel calibration method for a Micro LED display screen, and the method comprises the steps: carrying out the multi-dimensional detection of the real-time brightness, color and temperature of each pixel through a high-precision multispectral sensor, obtaining the actual optical characteristics of each pixel, including but not limited to the parameters of brightness, color temperature, color difference, spectral response and the like, and carrying out the detection of the pixels; and deviation analysis: analyzing the detection data of each pixel through a deep learning algorithm, identifying brightness, color and current deviation, determining the correction demand of each pixel, and performing quantitative analysis on the deviation of each pixel. A high-precision multispectral sensor and a deep learning algorithm are introduced, so that the detection and calibration process of each pixel is more accurate. By dynamically adjusting the current output, the problems of pixel aging, uneven brightness, chromatic aberration and the like can be solved, so that the stability and consistency of the display effect are remarkably improved, and the service life of the Micro LED display screen is prolonged.

The invention relates to the technical field of LED display screen box tracing, in particular to a production tracing system and method of an LED display screen box. The method comprises the following steps that a laser calibration parameter template library bound with material batch codes is established in an MES system, an LED display screen box comprises multiple layers of PCB substrates, a PCB substrate laminated structure comprises at least one signal layer, a power supply layer and two grounding layers, and cross-layer interconnection between the layers is achieved through blind holes and buried holes; and an assembly station specification switching signal is detected in real time, when the assembly station switches the specification of the display module, the batch code of the current material is scanned, the corresponding calibration parameter group is extracted from the laser calibration parameter template library based on the batch code of the current material, and the calibration parameter group is synchronized to the laser marking equipment in real time. According to the invention, the accuracy and reliability of LED display screen box production tracing are improved, the problem root is conveniently and rapidly positioned, and the repair cost is reduced.

The invention presents an advanced soccer training system designed to revolutionize traditional practice methods through a synergy of technology and interactivity. It features an integration of sensors, Artificial Intelligence, and Augmented Reality technologies, providing real-time feedback, immersive simulations, and personalized training experiences. The system promotes skill development via data-driven insights and dynamic training environments, supported by mobile application connectivity for customized training regimens and performance analysis. Additional attributes include energy-efficient design, user-friendly transport mechanisms, and extensive multimedia capabilities like video recording and photo capture for skill review, establishing a novel paradigm in athletic training and development.

The invention discloses a television LED display screen defect detection method and system based on visual perception, and relates to the technical field of defect detection.The television LED display screen defect detection method comprises the steps that image data of a television LED display screen are collected and preprocessed, potential defect candidate areas are obtained for primary classification, and all defect candidate areas are extracted; extracting difference features of the defect features and the background features, generating difference features of different scales through feature enhancement, and fusing to generate multi-scale interaction features; and constructing a defect detection classification model, carrying out model training through a pre-training and pseudo-label semi-supervised method, and generating a defect boundary block diagram and a defect category label in the defect detection classification model by using a convolution block according to the multi-scale interaction features. The television LED display screen defect detection is carried out through the visual perception technology, the detection precision can be remarkably improved, the industrial real-time requirement is met, the labor cost is reduced, and the production efficiency is improved.

The invention belongs to the technical field of LED display, and provides an LED display screen brightness adjusting system and method, and the method comprises the steps: collecting the environment illumination intensity of an LED display screen in real time, judging whether the environment switching occurs or not according to the environment illumination intensity, triggering the brightness adjustment if the environment switching occurs, extracting a basic image frame which is being displayed by the LED display screen, calculating a brightness histogram, and outputting the brightness histogram; dividing a highlight area in the basic image frame according to the brightness histogram, judging whether local suppression is triggered or not, if not, marking the basic image frame as an adjusted image, and if local suppression is triggered, constructing an attenuation compensation iteration mechanism comprising attenuation coefficient dynamic updating and a nonlinear suppression function model, and performing local suppression on the highlight area to obtain a high-brightness image; the method comprises the following steps: acquiring a locally suppressed adjustment image, introducing a gamma parameter generated by adopting a space-time fusion prediction formula, calculating a global brightness adjustment value in combination with the adjustment image and environment illumination intensity, and carrying out global adjustment on the LED display screen.

Disclosed is an LED driver circuit, a multi-wire communication device and a method for an LED display system. The device comprises a controller providing at least one of a configuration data packet, a brightness data packet, and a display data packet; the LED driver circuits, wherein the LED driver circuits are cascaded to provide a first data channel using first data ports and second data ports, the LED driver circuits are connected in parallel to provide a second data channel using third data ports. The device relays an enable signal or an address data packet stage by stage using the first data channel, transmit at least one of the configuration data packet, the brightness data packet and the display data packet in parallel using the second data channel. The number of the cascaded LED driver circuits can be infinite, the number of data wires is reduced, data rate is increased.

The invention relates to the technical field of LED display, and discloses an LED display color calibration method, device and system. The method comprises the following steps: applying a reverse test voltage to LED pixels in an LED display panel in a display frame blanking period, and calculating a real-time junction temperature value and a service life state value of each LED pixel; discrete phase coding reconstruction is carried out on the original display driving signal to obtain a temperature self-adaptive driving compensation signal; a temperature-sensitive fluorescent composite material layer is arranged on a substrate layer of an LED display panel, and the temperature-sensitive fluorescent composite material layer is activated through blue light components emitted by LED pixels to obtain an optical passive compensation spectrum; dividing the LED display panel into a plurality of independent control areas and generating an inter-area cooperative compensation parameter set; and constructing a pixel-level point diffusion compensation function and performing spatial domain dynamic compensation to obtain an LED display output image after color calibration. According to the invention, the problem of non-uniform area caused by manufacturing batch difference of a large-size display screen is effectively solved.

The invention relates to an LED display device based on vertical stacking and a preparation method thereof. The display device comprises a driving backboard and a mother pixel, the mother pixel comprises a plurality of sub-pixels, the driving backboard is provided with a first type of electrode contacts and a second type of electrode contacts, electric connecting pieces comprise copolar conductive pieces and non-copolar conductive pieces, and the non-copolar conductive pieces correspond to different sub-pixels respectively; the first type of electrode contacts are non-common-pole contacts, and the second type of electrode contacts are common-pole contacts; the non-common-pole conductive parts are configured to be electrically connected to the first ends of the corresponding sub-pixels and electrically connected with the non-common-pole contacts corresponding to the sub-pixels, and the common-pole conductive parts are configured to be electrically connected to the second ends of the sub-pixels and electrically connected with the common-pole contacts to form a common-pole structure; an annular reflecting layer surrounds the periphery of at least one sub-pixel, and a first insulating layer is further arranged between the side wall of the sub-pixel and the peripheral annular reflecting layer. The invention further discloses a preparation method. The light-emitting effect of the LED display device is improved.

The invention provides a MicroLED (Light Emitting Diode) display screen Demura preprocessing method and a MicroLED display screen Demura preprocessing system based on a color matrix. Acquiring brightness and chrominance distribution data of the MicroLED display panel based on the imaging type colorimeter; based on the data, performing accurate calculation through a compensation algorithm to obtain a compensation value of each pixel point; and the compensation values are applied to the display panel driving circuit, so that accurate compensation of the Mura phenomenon is realized. According to the method, the brightness and chrominance of the Mura data are automatically analyzed, the optimal compensation target value is determined, accurate compensation of the pixel level can be achieved through support of the Mura data and a compensation algorithm, the system can monitor input data of the display panel in real time and adjust the compensation value in real time, expandability is good, and the method is suitable for large-scale popularization and application. And the system can support MicroLED display panels with different sizes and resolution ratios, and the like. The system is mainly composed of a data acquisition processing module and a compensation value preprocessing calculation module.

The invention discloses an LED display screen brightness uniformity correction method and system based on current feedback, and relates to the technical field of brightness correction.The method comprises the steps that firstly, a vertical blanking period time sequence empty window is utilized, high-low double-amplitude detection current is injected into LED pixels, and voltage responses in different excitation states are obtained on the premise that normal display is not interfered; then, constructing a state decoupling model based on a reference I-V-T characteristic spectrum, and deeply analyzing coupled electrical signals into independent real-time junction temperature and aging factors by using differential sensitivity characteristics of voltage to temperature and aging; and then, on the basis of the physical state parameters, reverse compensation operation is performed in combination with an original gray instruction and a reference L-I brightness model, and target driving current capable of counteracting thermal quenching and aging attenuation is dynamically deduced. In this way, the correction problem caused by deep coupling of temperature drift and device aging can be effectively solved, and therefore self-adaptive high-precision brightness uniformity correction in the full life cycle of the display screen is achieved.

The invention relates to an LED display device and a preparation method, the LED display device comprises a substrate and a pixel layer, the pixel layer comprises pixel units, the periphery of each pixel unit is at least surrounded by an annular partition groove, each pixel unit is at least partially overlapped with the outermost annular partition groove of the adjacent pixel unit, and the outermost annular partition groove of each pixel unit is at least partially overlapped with the outermost annular partition groove of the adjacent pixel unit. A compound semiconductor is reserved in the non-overlapping area, or a compound semiconductor is reserved between each pixel unit and the outermost annular partition groove of the adjacent pixel unit, so that the pixel units and the adjacent pixel units are completely separated from each other; the top of each pixel unit is electrically connected with the corresponding second-type electrode contact, the bottom of each pixel unit is electrically connected with the corresponding first-type electrode contact, and the second-type electrode contacts are formed on the periphery of the outermost annular partition groove of the corresponding pixel unit. The invention further discloses a preparation method of the LED display device. The heat dissipation capacity of the LED device can be effectively improved, the LED device can emit light stably, and the photoelectric performance and the reliability of the LED display device are guaranteed.

The invention belongs to the technical field of LED display screens, and particularly relates to an LED display module and a display screen. The LED display module comprises a substrate, a plurality of LED light-emitting chips arranged on the substrate, transparent packaging layers arranged among the LED light-emitting chips and on the upper surfaces of the LED light-emitting chips, a black light-transmitting adhesive film layer arranged on the transparent packaging layers, and a micro-lens array layer arranged on the black light-transmitting adhesive film layer. The micro lens array layer comprises a micro lens array base layer and a micro lens array arranged on the micro lens array base layer. Compared with the prior art, the surface of the LED display module provided by the invention is the micro-lens array layer which is of the curved surface structure, so that the internal total reflection phenomenon when light is emitted into air from the module packaging structure can be effectively reduced, and the light emitting efficiency is improved, so that the ink color consistency can be effectively improved through the black light-transmitting adhesive film layer; and the light emitting efficiency can be improved through the compound eye micro lens array, and the brightness is improved under the condition that the power of the module is not increased.

The invention discloses an LED display screen temperature compensation method, and relates to the technical field of LED display control. In order to solve the technical defects in the prior art that the existing temperature compensation technology lacks a pixel-level temperature compensation strategy and cannot effectively process the brightness bulge at the edge of a screen, the technical scheme provided by the invention is as follows: the method comprises the following steps of: acquiring a cold-state gray matrix and a hot-state gray matrix of the screen to form the cold-state gray matrix and the hot-state gray matrix; on the basis of the cold-state gray matrix and the hot-state gray matrix, calculating the brightness attenuation ratio of the lamp beads pixel by pixel, and generating a ratio matrix; a correction matrix is constructed and iteratively calculated, so that the thermal-state brightness matrix approaches the cold-state brightness matrix after being processed; constructing a temperature compensation curved surface of the screen, and performing normalization processing; calculating a screen edge brightness ratio, and performing mirror image filling on edge border-crossing pixels; in combination with a temperature compensation matrix, the driving current is dynamically adjusted, and the influence of temperature change on color expression is compensated.

The invention provides an energy-saving method for an LED display screen. The energy-saving method comprises the following steps: acquiring ambient brightness and original image data; generating a brightness control parameter through a preset model according to the ambient brightness; dividing a feature pixel set and a non-feature pixel set based on the image feature recognition model, and executing differential brightness adjustment to generate an optimized image; monitoring power consumption data in real time, triggering a dynamic energy-saving mode when a threshold value is exceeded, and reducing the overall brightness by adopting a pulse width modulation signal grading adjustment strategy; and dynamically switching a standard mode, an extreme energy-saving mode or a highlight display mode according to the ambient brightness change rate and the viewing distance. The power consumption of the LED display screen can be reduced, and the energy utilization efficiency is improved.