5236 results about "LED lamp" patented technology

The invention discloses an egg surface microcrack detection system and method based on image analysis, and relates to the field of surface defect nondestructive detection.The method comprises the steps that a process identification interface module obtains a processing process identifier of an egg in real time; the multi-angle annular light source module is provided with a multi-band annular light source array comprising visible light and near-infrared LED lamp beads which are independently controlled, a polaroid group and a beam splitter prism are integrated, and visible light polarization images and near-infrared polarization images on the surfaces of the eggs are synchronously collected; the thermal excitation enhancement unit obtains a thermal infrared image; the process filtering module extracts the axial elongation of the mechanical stress microcrack after graded transportation, and calculates the mesh fractal dimension of the thermal stress microcrack after UV disinfection; the multi-modal feature fusion module generates a dual-channel crack probability graph; and the dynamic feedback control module outputs a micro-crack risk grade and adjusts the rotating speed of the objective table and the light source intensity. The method has the advantages that accurate judgment of mechanical and thermal stress cracks is realized, and curved surface reflection interference is broken through.

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 provides an LED lamp adaptive speed regulation heat dissipation method and system based on real-time junction temperature monitoring. The method comprises the following steps: S100, acquiring a PWM signal or an analog signal of an LED driving command signal in real time; s200, on the basis of the change of the driving instruction signal, feedforward prediction is carried out by using a dynamic thermal inertia mapping model, and a feedforward fan control quantity is generated; s300, LED junction temperature is monitored in real time through a forward voltage method, and feedback fan control quantity is generated through a feedback controller according to the deviation between the real-time junction temperature and the target junction temperature; and S400, synthesizing the feedforward control quantity and the feedback control quantity to generate a fan PWM control signal, outputting the fan PWM control signal to a fan driving circuit, and adjusting the rotating speed of the cooling fan. According to the method, driving signals and junction temperature information are processed in parallel, and feedforward and feedback control is combined, so that self-adaptive accurate regulation and control are realized, thermal load change is quickly responded, system lag is effectively inhibited, and LED heat dissipation performance is optimized.

An LED lamp is provided, which includes a connector, a lamp holder, a battery, a support member, a light source, and a lampshade; the light source is sleeved on the support member; the battery is located within the support member; the support member is connected to the lamp holder; the lampshade is connected to the lamp holder; the connector is magnetically connected to the lamp holder. A detachable design of the connector and the lamp holder facilitates the use of the LED light and enables the LED light to be flexibly selected and used according to usage needs.

The invention provides an emergency lighting control chip and an emergency lighting system, the emergency lighting control chip is connected with an energy storage battery, an emergency lighting unit and a first node, the first node is used for receiving input current, both the energy storage battery and the emergency lighting unit are provided with positive ends and negative ends, and the emergency lighting control chip comprises a switch module. By setting the switching time sequence of the switch module, the functions of constant-current charging, full charge protection, overvoltage protection and emergency discharging can be realized in the emergency lighting control chip, an additional LED lamp does not need to be specially arranged, and the cost of manual wiring is lower.

The utility model is applicable to the technical field of display, and particularly relates to a backlight driving system, a display system and a display. The backlight driving system comprises a system controller, a switch time sequence controller and N driving chip cascade branches, each driving chip cascade branch comprises M driving chips which are connected in series, the driving chips are used for controlling LED lamp beads connected with the driving chips, each driving chip is in duplex communication, the system controller is connected with the switch time sequence controller, and the switch time sequence controller is connected with the N driving chip cascade branches. The switch time sequence controller is respectively connected with the first driving chip of each driving chip cascade branch through a corresponding interface, the switch time sequence controller is in duplex communication, and by setting a one-input multiple-output or multiple-input multiple-output signal transmission mode of one switch time sequence controller, communication signal lines of the driving chips are reduced under a direct-driven display system, and the display efficiency is improved. According to the technical scheme, all driving chips do not need to be connected in series, physical line delay control can be achieved through the switch time sequence controller, the black frame insertion function is achieved, and therefore the reliability of a display system is improved.

The invention discloses a liquid crystal display filtering and light transmission performance monitoring system and a monitoring method thereof, and relates to the technical field of liquid crystal displays. An ambient light real-time monitoring module; a dual-optical-path differential measurement module; a signal processing and intelligent compensation module; a polarizer dynamic adjustment module; a data storage and analysis module; light intensity fluctuation data are collected in real time through an ambient light real-time monitoring module, reference light and transmission light are synchronously collected through a double-light-path differential measurement module, a signal processing and intelligent compensation module calls a self-adaptive algorithm library, compensation coefficients are calculated in combination with ambient light spectrum data, and a polaroid adjusting instruction is generated. And then an adjusting instruction is sent to the polaroid dynamic adjusting module through the CAN bus, the polaroid dynamic adjusting module feeds back an actual thickness value in real time after adjustment is completed, closed-loop control is formed, and through real-time compensation of ambient light and dual-light-path differential measurement, the influence of a station LED lamp and natural light is eliminated, and the monitoring precision of light filtering and light transmission performance is improved.

An LED lamp system driven by a two-wire transmission circuit, includes an LED lamp with red lamp beads, green lamp beads and blue lamp beads; a red-line control signal detecting circuit configured to detect a red-line control signal from a combined control signal transmitted by the two-wire transmission circuit and output the red-line control signal to the red lamp beads; a green-line control signal detecting circuit configured to detect a green-line control signal from the combined control signal transmitted by the two-wire transmission circuit and output the green-line control signal to the green lamp beads; and a blue-line control signal detecting circuit configured to detect a blue-line control signal from the combined control signal transmitted by the two-wire transmission circuit and output the blue-line control signal to the blue lamp beads.

The invention relates to the technical field of illumination control, solves the problem that the prior art lacks an LED lamp strip control strategy for dynamic adjustment according to ambient light changes and user use habits in different time periods, and provides an illumination control strategy updating method and device on an LED lamp strip, equipment and a medium. The method comprises the following steps: acquiring historical ambient light illuminance and historical ambient light color temperature of an LED lamp strip in a first preset period; performing time period clustering on the historical illumination data set to obtain a time period cluster set; acquiring an intensity index according to the accumulated illumination duration of each time period cluster; obtaining a forgetting coefficient of each historical illumination data; weighting according to the forgetting coefficient and the strength index to obtain a weighted strength index; updating the illumination control strategy; and after a first preset period, performing illumination according to the updated illumination control strategy and the environment parameters. According to the invention, the control strategy of the LED lamp strip can be dynamically adjusted according to the ambient light change in different time periods and the use habit of a user.

The invention relates to the technical field of LED lamp testing, and discloses an LED lamp testing method and device, testing equipment, a testing system and a storage medium, and the method comprises the steps: generating a corresponding adjustment parameter based on a preset adjustment instruction, and transmitting the adjustment parameter to a to-be-tested device, the to-be-tested equipment is used for adjusting the LED lamp and the camera according to the adjusting parameters; sending a shooting instruction to the to-be-tested equipment, so that the to-be-tested equipment irradiates the standard color card with light emitted by the adjusted LED lamp, and shooting the standard color card through the adjusted camera to obtain a target image; and obtaining a test result corresponding to the LED lamp according to the target image. According to the invention, through synchronous adjustment and collection of cooperative output of illumination and imaging under a controllable condition, integrated performance evaluation of the LED lamp on the to-be-tested device is realized, and a single LED lamp does not need to be disassembled to be tested, so that the test process is simplified.

The invention relates to the technical field of LED display screen driving parameter adjustment, in particular to an LED display screen driving parameter adjustment method and system, and the method comprises the following steps: continuously collecting the operation parameters of each local area of a display screen; calculating the accumulated heat pressure of each local area in real time; when the accumulated heat pressure of the local area is equal to or greater than an early warning threshold value, identifying that the local area is an overheating risk area; the driving parameters of the overheating risk area are adjusted, the adjustment comprises reduction of the peak driving current of the LED lamp beads in the local area or adjustment of the pulse width modulation duty ratio of the peak driving current of the LED lamp beads in the local area, and therefore the instantaneous thermal load of the local area is reduced; and when the actual energy consumption is increased beyond the energy consumption standard, the driving strategy of the local area is optimized by combining the data of the accumulated heat pressure of the local area. The driving parameters are monitored in real time and dynamically adjusted, and energy consumption is optimized, so that the service life of the display screen is prolonged, and the operation stability is improved.

The invention discloses a rapid aging test device and evaluation method for an LED advertising lamp box, and relates to the field of aging test devices.The rapid aging test device comprises an end base and a supporting table, a lower test area is fixedly arranged on the upper side of the end base, a middle test area is installed on the upper side of the lower test area, and an upper test area is installed on the upper side of the middle test area; a top frame is fixedly mounted at the top of the upper test area, a supporting frame is connected to the bottom of the end seat, a base is fixedly connected to the bottom of the supporting frame, universal wheel mounting hole positions are formed in the bottom of the base, and the base is placed in the aging test room. According to the rapid aging test device for the LED advertising lamp box, the three-dimensional space of a test room is fully utilized through the layered and partitioned design, the containing capacity of a unit area is greatly improved, space waste caused by plane placement is avoided, LED lamp boxes of multiple batches and multiple models can be tested at the same time, and the test efficiency is improved.

The invention provides an LED constant-current driving chip and a display system, and relates to the field of display. The LED constant current driving chip comprises a line feed signal generation module, a display data cache module, a display control module and a constant current driving module. The line feed signal generation module is used for resetting in response to the received frame synchronization signal, and counting or timing based on the frame synchronization signal and a line feed period so as to periodically output a line feed signal; the display data caching module is used for caching the input display data; the display control module is used for generating a PWM (Pulse Width Modulation) signal according to the line feed signal and the display data read from the display data cache module; and the constant current driving module outputs a constant current driving signal based on the PWM signal so as to drive a corresponding LED lamp bead to emit light. The LED constant-current driving chip provided by the invention can output the line feed signal under the condition of no ROW line, so that the wiring is simplified, and the port utilization rate is improved.

The utility model relates to the technical field of LED lamp sheets, in particular to an illumination machine applied to LED lamp sheet pouring sealant and LED lamp sheet production equipment, through the arrangement of a placing part, a curing part, a transmission assembly located between the placing part and the curing part and an ultraviolet lamp source, after the LED lamp sheets are dispensed through UV glue, a user can place the dispensed LED lamp sheets on the placing part, and the LED lamp sheets can be conveniently placed on the curing part. The conveying assembly can automatically convey the LED lamp sheets located on the containing part to the curing part, so that the ultraviolet lamp source can irradiate the LED lamp sheets on the curing part, the LED lamp sheets obtained after glue dispensing are cured, manual intervention can be reduced, the automation degree of the LED lamp sheet production process can be improved, and the production efficiency of the LED lamp sheets is improved. The problems that an existing LED lamp sheet which is dispensed through UV glue is generally flatly laid under ultraviolet light to be irradiated in a manual mode, a large number of manpower resources are wasted, and the production efficiency is seriously affected are effectively solved.

The invention discloses an LED lamp strip dynamic image quality intelligent optimization method and system based on deep learning driving, and relates to the technical field of LED intelligent control. The LED lamp strip dynamic image quality intelligent optimization method and system based on deep learning driving comprises the steps of S1, preprocessing real-time LED working condition data, memory reference data and historical fluctuation abnormal data; s2, adaptively dividing the LED lamp strip into different independent partitions according to spatial and physical attributes through multi-dimensional feature analysis and clustering; s3, based on a time sequence derivative sensitivity theory, judging thermal drift instability and color temperature abnormity, and entering a sudden change criterion process; s4, executing a sudden change criterion process according to a trend sudden change composite criterion result, and entering an offset compensation process; and S5, based on a criterion compensation theory, executing an offset compensation process. The problems of image quality degradation and color difference accumulation after long-term operation due to the fact that an existing LED lamp strip image quality intelligent optimization system is difficult to achieve real-time self-adaptive compensation of color temperature drifting and color cast phenomena caused by chip junction temperature rise are solved.

The invention relates to the technical field of LED illumination control, and discloses a lamp strip brightness control system and method capable of realizing self-adaptive adjustment, and an LED lamp strip. An environment data acquisition module of the system acquires environment illumination intensity data and environment color temperature data in real time to form a multidimensional environment parameter matrix containing a timestamp; a dynamic feature extraction module performs multi-scale decomposition on the matrix, extracts illumination intensity change trend features and color temperature fluctuation features, and constructs dynamic feature vectors; the adaptive decision module calculates a brightness adjustment weight based on the dynamic feature vector, and generates a brightness adjustment instruction in combination with a preset brightness constraint condition; the signal synthesis module converts the brightness adjustment instruction into a pulse width modulation signal, and superposes a high-frequency noise suppression signal to optimize the signal stability; and the driving execution module adjusts the driving current of the LED lamp strip according to the pulse width modulation signal so as to realize self-adaptive brightness adjustment. The system can improve the stability and adaptability of brightness adjustment and improve the visual experience of a user.

The utility model relates to the technical field of LED lamp strips, in particular to a sterilization and illumination switchable LED lamp strip, which comprises a flexible circuit board, a plurality of LED lamp strips, a plurality of LED lamp strips and a plurality of LED lamp strips, the LED white light lamp beads are attached to the bonding pads of the flexible circuit board and used for converting electric energy into visible light, and the lighting function is achieved; the UVC and UVA two-in-one lamp bead is mounted on a bonding pad of the flexible circuit board and is used for converting electric energy into ultraviolet light, so that a sterilization function is realized; the LED lamp strip capable of being switched between the sterilization function and the illumination function is novel in structure, the illumination function and the sterilization function are integrated on one lamp strip, and the illumination function and the sterilization function can be switched freely through the same lamp strip.

The invention belongs to the field of life, and particularly relates to a thermos bottle with visible water storage capacity. The thermos bottle comprises a shell and an inner container arranged inside the shell. A base capable of vertically moving is mounted at the bottom of the shell, an elastic airbag is fixedly connected between the upper end of the base and the lower end of the inner container, a vertical strip opening is hermetically connected onto the side wall of the shell, a transparent tube is fixedly connected into the strip opening, the lower end of the transparent tube is communicated with the elastic airbag, and a piston block is hermetically connected into the transparent tube. The quantity of water in the thermos bottle can be known by observing the position of a piston block, a piezoelectric ceramic is used for power generation when water is injected, an LED (light-emitting diode) lamp in the piston block can emit light, the quantity of the water in the thermos bottlecan be known conveniently by people, and scalding is avoided. In addition, by the aid of an annular air cushion, when the thermos bottle falls, a good buffering function can be achieved, and impact onthe inner container is reduced.

The invention belongs to the technical field of tunnel lighting, and provides a tunnel intelligent lighting system based on self-luminous paint, which comprises an LED lamp fixed in a tunnel, the self-luminous paint, an environment monitoring module and a control terminal, the self-luminous paint is coated on the inner wall of the entrance of the tunnel, the environment monitoring module is fixed at the entrance of the tunnel, and the control terminal is connected with the LED lamp. And the control terminal is used for detecting the illumination intensity outside the tunnel, the meteorological data, the speed of the vehicle and the brightness of the self-luminous coating, is in communication connection with the environment detection module and the LED lamp, and adjusts the brightness of the LED lamp according to the meteorological data, the speed of the vehicle and the brightness of the self-luminous coating. The self-luminous coating and active LED lighting can be cooperatively controlled, the problems that a traditional system is poor in visual adaptation, high in energy consumption and low in reliability are solved, the LED light supplementing amount is dynamically adjusted according to environment illumination, meteorological conditions, the vehicle speed and the actual brightness of the coating, active and passive light source complementation and accurate dimming are achieved, and the black and white hole effect is effectively relieved.

The invention discloses an LED lamp strip video imaging control method and system based on pixel coordinate mapping, and relates to the technical field of visual image processing. The pixel coordinate mapping-based LED lamp strip video imaging control method comprises the following steps of S1, acquiring geometric structure data and operation performance data of an LED lamp strip, preprocessing the geometric structure data and the operation performance data, and constructing a bending management database; s2, according to geometric structure data of the lamp strip, analyzing a mapping deviation between a pixel coordinate and a physical coordinate in real time; s3, geometric structure data and operation performance data are obtained, and bending light attenuation analysis is carried out; s4, evaluating the thermal load state of the bending area according to the operation performance data and the thermal management data of the LED; and S5, displaying the operation performance data and the abnormal alarm information in real time through an interface, and realizing data closed-loop management and partition operation and maintenance tracing. The problems that the display precision of the bending area of the LED lamp strip is reduced, the brightness and the color are uneven, and the performance of the LED is degraded due to local heat accumulation are solved.

The invention discloses a backlight module preparation method and device. The backlight module preparation method comprises the steps that LED test light bars are arranged according to the model size of a display module; adjusting a driving electrical parameter of the LED test light bar to enable the display of the whole machine to reach a target color point value, and obtaining a first electrical parameter; working current data of a single LED lamp bead is calculated according to the first electrical parameter, and luminous flux and color coordinates of various LED lamp beads are obtained; constructing a colorimetric mixing formula and calculating a white light color point theoretical value of the backlight module; and according to the theoretical value of the white light color point, in combination with the pre-selected wavelength of the blue light chip, the fluorescent powder and the glue type, obtaining the proportion of the fluorescent powder, and preparing the backlight module according to the proportion of the fluorescent powder. The whole machine is tested in advance, and the target color point value of the white light LED device is calculated according to the test data, so that the preparation accuracy of the white light LED device is improved, repeated test verification is avoided, the development period of a liquid crystal display is shortened, and the development cost is effectively reduced.

The invention relates to the technical field of parking lot navigation, and provides a parking lot navigation system and method, equipment and a medium, according to the scheme, cameras are arranged at the entrance and the interior of a parking lot respectively to collect video streams containing target vehicles, LED lamps are arranged in the parking lot, and the video streams collected by the cameras are transmitted to a control device; and enabling the control device to generate an optimal guide route for the target vehicle to run to the target parking space in the parking lot based on the video stream acquired by the camera, generating a control scheme of the LED lamp in the parking lot according to the optimal guide route, and displaying the optimal guide route by the LED lamp according to the control scheme. According to the parking lot navigation system, the camera, the control device and the LED lamp are adopted to design the parking lot navigation system, so that the parking lot navigation system does not need to be networked with other external equipment, and accurate parking navigation in a parking lot can be completed by matching the simple camera with other equipment in the system; the parking experience of the user is improved, and the cost of intelligent parking is reduced.

The invention provides a driving circuit of an LED load, the driving circuit comprises a first dimming unit and N-1 second dimming units, the N-1 second dimming units are arranged in one-to-one correspondence with N-1 LED lamp groups, the first dimming unit can switch and control any LED lamp group to perform dimming, and the N-1 second dimming units are arranged in one-to-one correspondence with the N-1 LED lamp groups. The second dimming unit can switch and control the corresponding LED lamp group to perform dimming or switch and control the corresponding LED lamp group to be extinguished; when one path of LED lamp group is driven to be lightened, the first dimming unit adjusts the output voltage of the switching power supply; and when the M paths of LED lamp groups are driven to be lightened, the first dimming unit adjusts the output voltage of the switching power supply, and the M-1 second dimming units respectively adjust the working voltage drop of the remaining LED lamp groups in the M paths of LED lamp groups. According to the driving circuit provided by the invention, the brightness of each LED lamp group can be independently adjusted and each LED lamp group can be independently extinguished in the dimming switching process, so that the effect of smooth brightness adjustment during LED load dimming switching is realized.

The utility model discloses a shading structure of a power key fingerprint light-emitting module, belongs to the technical field of power keys, and aims to solve the problems that the local light leakage phenomenon of a product is caused due to the fact that a locating notch is formed in the structural design, and the sheet-shaped light leakage phenomenon of the product is caused due to the fact that a shading glue position shrinks after injection molding. Comprising a light guide lens, an LED lamp, a first key, a second key, a fingerprint module, a flexible circuit board, a bottom plate, an elastomer material layer and an insulating material layer, the LED lamp is arranged on one side in the light guide lens, a containing through groove is formed in the light guide lens, the bottom plate is arranged on the bottom face of the containing through groove of the light guide lens, and the flexible circuit board is arranged above the bottom plate; according to the utility model, through the arrangement of the light guide lens and the first key, a positioning notch in the original light guide lens is removed, the structural position of light leakage is effectively reduced, the original positioning effect is independently changed into the first key, and the first key is designed into a connected whole, so that the first key has a positioning effect.

The invention discloses an intelligent frameless full-projection down lamp system based on an adjustable light emitting angle, and relates to the technical field of light adjustment of projection down lamps, the intelligent frameless full-projection down lamp system comprises a lamp shell, a reflection cup cover, a lamp panel assembly and spring buckles, the reflection cup cover is slidably connected in the lamp shell, the lamp panel assembly is arranged in a through hole in the inner side of the reflection cup cover, and the spring buckles are symmetrically installed on the back side of the lamp shell; the lamp panel assembly comprises an integrated LED lamp panel and a lantern ring arranged on the back side of the integrated LED lamp panel. The deflection column and the loop bar mechanism are innovatively combined and linked with the reflection cup cover, precise control over the projection direction and flexible adjustment of the light coverage range are achieved, the system is cooperatively controlled through multiple driving assemblies, multi-dimensional optical adjustment is achieved under the constraint of a frameless structure, and the system is suitable for large-scale popularization and application. And meanwhile, the heat dissipation problem in a compact space is solved through the integrated heat dissipation fin sleeve, and a brand new solution is provided for an intelligent illumination and projection system.

The invention discloses an autonomous moving traffic cone robot and a control method, and belongs to the technical field of traffic cone robots. A traffic cone robot capable of moving autonomously comprises a base, an inflatable traffic cone cover is installed on the base, an inflation cavity is formed between the traffic cone cover and the base, the outer wall of the traffic cone cover is coated with reflective paint, a guide shaft and an inflation assembly are arranged on the base, and the guide shaft is used for guiding the expansion direction of the traffic cone cover. The inflating assembly is used for inflating and deflating the inflating cavity; through the design of the inflatable traffic cone cover, the traffic cone cover can be contracted after being deflated, the equipment size is greatly reduced, the single-time transportation number is increased, and the transportation cost is reduced; by means of the synergistic effect of the guide shaft and the inflation assembly, the expansion direction of the traffic cone cover can be accurately controlled, and day-and-night efficient warning is achieved in cooperation with outer wall reflective paint and built-in LED lamp beads; the buffering air bag on the outer wall of the base is communicated with the inflation cavity and can rapidly expand to form protection when being impacted, and the equipment damage risk is reduced.

The application discloses a multi-pixel master LED lamp bead and an LED display module, which comprises a lamp bead support, a light emitting chip, a driving chip and a pin; the driving chip comprises a light emitting control unit for controlling the light emitting state of the light emitting chip or an accessed controlled LED lamp bead, a data transmission unit for receiving control data from an upstream device and sending the control data to a downstream device, and a master control unit for obtaining the control data of the light emitting chip and the accessed controlled LED lamp bead from a data stream transmitted from the data transmission unit, and controlling the light emitting state of the light emitting chip and the plurality of accessed controlled LED lamp beads through the light emitting control unit. The application completes display control by driving a group of common controlled LED lamp beads through the multi-pixel master LED lamp bead, improves the stability of the LED display screen, reduces the device cost, and has the advantages of simple wiring, light structure and high refresh rate.

The invention discloses a portable light intensity verification device, and belongs to the technical field of environment and meteorological monitoring. The portable light intensity verification device comprises a voltage-stabilized power supply, a light source and a shading sealing cover, and the voltage-stabilized power supply is connected with the light source through an electric wire, supplies power to the light source and controls the light intensity of the light source; the light source is a group of LED lamp beads, the shading sealing cover is made of a hot good conductor, a plurality of open holes are formed in the shading sealing cover, and the LED lamp beads are fixedly arranged on the inner wall of the shading sealing cover through the open holes. A heat dissipation assembly can be further arranged to promote heat dissipation of the shading sealing cover. In the process of measuring the photolysis rate of the gas in the atmosphere by a spectroscopic method, the optical receiving head is covered by the shading sealing cover provided with the LED lamp beads, and the spectrograph is subjected to simple, rapid and reliable field calibration or verification, so that the verification work can be carried out without a standard optical platform, and the characteristics of accuracy, convenience and the like are achieved.

The invention relates to a backlight optimization method and system for an LCD display screen, and the method comprises the following steps: collecting an ambient light parameter, and carrying out the block cutting of an LCD display image according to the ambient light parameter, so as to form image sub-blocks; counting the pixel gray value in each image sub-block, and calculating the average gray of the sub-blocks; determining the target brightness of the backlight area corresponding to each image sub-block by combining the light parameter with the average gray scale of the sub-blocks; matching a target color temperature of the backlight area according to the ambient light color temperature value and the target brightness; according to the target brightness and the target color temperature, calculating a driving current of the corresponding LED lamp group; according to the technical scheme, the PWM signal duty ratio of the backlight driving circuit is adjusted based on the driving current, the adaptive driving signal is generated, the LED lamp sets in the backlight areas are controlled to emit light through the signal, and the technical problem of how to dynamically optimize backlight according to environment changes and improve the LCD display quality is solved.

The invention discloses an LED lamp energy consumption optimization control method and system adopting an ant colony algorithm, and particularly relates to the field of LED lamp energy consumption optimization control, and the method comprises the steps: constructing a path network model of a multi-node illumination region, obtaining the movement track information of a user in the illumination region in real time through a collection module of LED illumination equipment, and generating path use frequency data; and performing pheromone optimization enhancement processing on the path use frequency based on an ant colony algorithm, and driving an existing illumination control module to select an LED lamp corresponding to the current high-frequency path area to perform activation response. By introducing pheromone attenuation control, a negative pheromone suppression mechanism and a virtual individual tentative activation strategy into a path frequency atlas, outdated paths are identified and suppressed, and new user behavior paths are detected and enhanced, so that time sequence sensitive scheduling of lighting resources and real-time optimal updating of energy consumption configuration are realized, and the optimal scheduling efficiency is improved. And the response capability and the energy-saving efficiency of the system to behavior transition are improved.