10091 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 present disclosure provides a gamepad, comprising: a PCB circuit board, a transparent colloid, a key dial assembly and a transparent button; the PCB circuit board is provided with a button position and LED lamp beads arranged at the button position; the transparent colloid is arranged on the button position; the key dial assembly comprises a support member fixed on the PCB circuit board, a dial rotatably connected to the support member and a gear set meshingly connected to the dial; the dial is arranged on the transparent colloid; the dial is provided with several first transparent holes and second transparent holes adjacent to each of the first transparent holes; the first transparent holes and the second transparent holes correspond to the switching of the button position on the PCB circuit board when the dial is rotated with the axis of the support member.

The invention provides an LED lamp intelligent energy-saving control method and system, and the method comprises the steps: obtaining environment illumination intensity data, personnel flow density data and current working state parameters of an LED lamp, which are collected by a plurality of sensors, carrying out the preprocessing of the original data of the sensors, and obtaining a standardized environment perception data set; calculating power resources required by the intelligent control system are evaluated according to the LED lamp control parameter optimization scheme, the brightness output of the LED lamp is controlled according to the calculating power resources, and the current proportion of red, green and blue LED chips is adjusted according to the color temperature; whether the light beam angle needs to be adjusted or not is judged through matching analysis of the light beam angle and environmental perception data, if yes, the lens position of the LED lamp is changed, and the output spectral characteristics of the LED lamp are measured and determined through a spectrum analyzer; after sensor calibration parameters are updated, LED lamp power consumption data are collected, and if the deviation between actual power consumption and a theoretical calculation value is smaller than a preset percentage, it is determined that the energy-saving control effect reaches an expected target.

An LED candle warmer lamp includes a base and a light diffusing shell. The light diffusing shell is connected to the base. An LED light strip is disposed between the base and the light diffusing shell. The LED light strip includes LED lamp beads. A limiting hole allowing a power line to pass through is defined on the light diffusing shell. The power line is electrically connected to the LED light strip. An accommodating groove is defined on a top end of the base. A fixing rod is disposed adjacent to one side of the accommodating groove. A heating lamp disposed over the accommodating groove is connected to the fixing rod. When in use, a candle is placed in the accommodating groove, the heating lamp is turned on, and a switch is turned on to control a brightness and a color temperature of the LED lamp beads.

The invention relates to the technical field of LED lamp adjustment, in particular to a multi-path adjusting system of an LED lamp. The method comprises the following steps that: a parameter acquisition module acquires multi-path real-time light intensity parameters and performs noise covariance estimation and channel interference analysis to generate a noise matrix and a channel crosstalk matrix, a change simulation module predicts light intensity change based on the matrixes and generates a simulation LED lamp group, and a dead zone compensation module calculates a duty ratio and performs compensation. According to the method, an anti-overlapping sequence is formed, in the phase distribution module, phase quantization and peak shifting distribution are carried out on the anti-overlapping sequence to obtain a peak shifting control sequence, the channel coordination module generates a multi-path control sequence according to temperature compensation processing, and the feedback optimization module continuously adjusts an LED lamp set by collecting a feedback strong light value to achieve accurate multi-path adjustment. According to the invention, the accuracy of LED lamp adjustment is improved.

The invention relates to the technical field of computers, in particular to an LED display method with volume level indication and playing and singing guidance, and the method comprises the steps: collecting a playing audio signal of a user in real time when the user carries out playing, carrying out the preprocessing of the playing audio signal, carrying out the analysis of the preprocessed playing audio signal, and carrying out the display of the volume level indication and playing and singing guidance. Extracting corresponding music elements, wherein the music elements comprise volume, intonation and rhythm; the display mode of an LED lamp is adjusted according to the music elements, volume level indication and playing and singing guidance are sent to a user based on the display mode of the LED lamp, and the display mode comprises LED lamp brightness and flicker frequency; and judging whether the user plays correctly or not, when the user plays correctly, the LED lamp displays green and continues, when the user plays wrongly, the LED lamp displays red and continues, and if the continuous playing is wrong, the LED lamp displays red and flickers. According to the invention, richer and more personalized teaching experience can be provided.

A swimming pool lamp is disclosed, including a lamp body provided in the swimming pool, and a wireless control component for sending and receiving remote control signals. Because the lamp body and the wireless control component are split setup, it can effectively avoid the wireless control component getting into water to affect the signal transmitting and receiving. The lamp body can be remotely controlled by a terminal provided, and the terminal can change luminous effects of LED lamp beads provided on the surface of the lamp panel. A mechanical button is provided on the surface of the lamp body, so that the luminous effects of the LED lamp beads on the lamp panel can be controlled by the mechanical button in conjunction with a control button without using the terminal for remote control, thus realizing a variety of control effects of the swimming pool lamp.

The invention relates to the field of bathroom mirror LED lamp control, in particular to an LED lamp self-adaptive control method and device of an LED backlight bathroom mirror. The method comprises the following steps: acquiring a monitoring log of a bathroom mirror LED lamp, performing use time frequency distribution statistics and use behavior prediction, and generating a use behavior prediction time point; performing real-time brightness demand prediction according to the use behavior prediction time point, and performing light intensity output parameter calculation to obtain an initial light intensity output parameter; performing instant bathroom mirror illumination control according to the initial light intensity output parameter, performing mirror surface fuzzy situation analysis according to the environment humidity monitoring parameter, and constructing a mirror surface fuzzy situation evolution graph; and performing mirror surface heat effect demisting analysis and dynamic heating temperature self-adaptive adjustment according to the mirror surface fuzzy situation evolution graph to generate a self-adaptive water mist fuzzy adjustment strategy. By dynamically adjusting the illumination parameters, the clear visualization effect of the bathroom mirror under the fuzzy water mist condition is improved, and the visual effect of a user is enhanced.

The invention relates to an LED intelligent lighting control method and device based on the Internet of Things, and the method can collect the environment perception data of a plurality of intelligent LED lamps, and carries out the dimming calculation, and obtains an initial dimming parameter. Performing instruction construction on the initial dimming parameters in combination with historical energy consumption records and environmental perception data of the intelligent LED lamp, and generating a target dimming instruction; controlling the intelligent LED lamp through an edge gateway based on the target dimming instruction, and obtaining lamp response data; and continuously judging the intelligent LED lamp according to the lamp response data to obtain fault judgment information, and triggering an operation and maintenance control instruction. According to the invention, the operation state of the intelligent LED lamp can be accurately judged, potential faults can be found in time, and automatic operation and maintenance can be triggered. According to the invention, the operation state of the intelligent LED lamp can be accurately judged, potential faults can be found in time, and automatic operation and maintenance can be triggered.

The invention discloses an endoscope cold light source dimming method, system and device and a storage medium, and relates to the technical field of endoscope light source adjustment, and the method comprises the steps: obtaining a current image brightness value; according to the current image brightness value and the target image brightness value, a PID control algorithm is adopted, and a dimming strategy of the cold light source of the endoscope is determined; the dimming strategies sequentially comprise an exposure time dimming strategy, an LED lamp driving current dimming strategy and an electronic gain dimming strategy according to a priority sequence during dimming; and dimming the cold light source of the endoscope according to the dimming strategy. According to the method and the device, the cold light source of the endoscope can be quickly and stably dimmed, and the quality of an endoscope image is ensured.

An electronic module can include a housing defining a housing cavity, the housing defining a first end and a second end positioned opposite from the first end, the housing defining a housing opening to the housing cavity at the first end; a lens at least partially defining a compartment within the housing cavity; an LED lamp board positioned within the housing cavity, the LED lamp board further defining the compartment, the LED lamp board including at least one light source configured to emit light through the housing opening, the at least one light source positioned within the compartment; a power supply driving module positioned within the housing cavity, the power supply driving module configured to control a light output of the LED lamp board; and a wireless communication component connected in electrical communication with the power supply driving module.

The invention aims to provide the plant efficient growth LED light source modular light supplementing equipment, system and method which are reasonable in structure and capable of realizing accurate regulation and control of illumination parameters, aiming at the problems that the spectrum and the light intensity cannot be flexibly adjusted, the equipment structure is inconvenient, the heat dissipation performance is insufficient and the like in the existing plant light supplementing technology, and the invention provides the plant efficient growth LED light source modular light supplementing equipment, system and method which are reasonable in structure and capable of realizing accurate regulation and control of the illumination parameters. The equipment adopts a modular design and internally comprises a plurality of LED light source modules capable of adjusting light intensity and spectrum output so as to meet the illumination requirements of plants in different growth stages. The control system can monitor and adjust the illumination intensity and the spectrum proportion in real time through an adjustable button, and it is ensured that the plants obtain the optimal illumination condition in each growth stage. The equipment is provided with an efficient heat dissipation system which comprises a heat dissipation sheet, a heat dissipation ring and a heat dissipation net, so that heat dissipation of the LED lamp beads is optimized, the service life of the lamp is prolonged, and the luminous efficiency of the LED light source module is improved. The light supplementing system comprises an illumination regulation and control system, a control system and a power supply module, can automatically regulate illumination intensity and spectrum output, meets the requirements of plants in different growth stages, has an energy-saving mode, and reduces energy consumption. The light supplementing method comprises the steps of initializing the system, presetting spectrum and intensity, adjusting illumination in real time, and promoting healthy growth of plants.

A lamp module including a housing including a light holder portion and a shaft portion, the light holder portion configured to tilt relative to the shaft portion; an LED lamp board positioned within the light holder portion; a power supply driving module connected in electrical communication with the LED lamp board; and a first concentric terminal positioned at least partially within the shaft portion, the first concentric terminal connected in electrical communication with the power supply driving module, the first concentric terminal configured to rotatably connect in electrical communication with a second concentric terminal to supply power to the power supply driving module.

The invention provides intelligent code reading equipment based on AI, and relates to the technical field of Internet. The equipment is provided with a shell which is made of an aluminum alloy material and is used for protecting internal vulnerable components; a light source module is arranged at the front end of the device and internally provided with multiple LED lamps with different wavelengths, and the illumination mode can be actively adjusted according to the actual environment requirement. A high-definition CMOS image sensor is used as an image acquisition module to complete image acquisition of a target area; the image processing module is integrated with a high-performance DSP chip, analyzes the original image acquired by the image acquisition module based on an AI algorithm, and outputs a decoding result; the environment sensor detects environment light information in real time and is used for optimizing light source brightness; the control module integrates the functions of each internal module, can command the brightness of the LED lamp according to environmental data, controls the image acquisition and processing process, and finally achieves the quick and accurate decoding of the identification code. According to the scheme, the equipment can intelligently adapt to environment change, and the image quality is improved, so that effective decoding is realized.

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.

The present application relates to an adaptive intelligent driving circuit and method for an LED lamp. The adaptive intelligent driving circuit for the LED lamp includes an LED lamp module, a control system and an AC-DC adapter module, wherein a power output terminal of the control system is connected to a power input terminal of the LED lamp module, and a remote signal receiving terminal of the control system is configured for receiving remote control signals including an APP-side control signal and a remote controller control signal, and the control system is configured for generating driving signals having interleaved phases and transmitted through corresponding driving paths according to the remote control signals, and wherein the driving signals correspond to different channels of the LED lamp module, so that various lamp beads in different channels of the LED lamp module switch to operate at different time points.

The invention discloses an illumination intensity self-adaptive tunnel illumination photovoltaic power supply system and an implementation method, and the system comprises a photovoltaic power generation panel which outputs a DC voltage to supply power to tunnel LED lamps, the illumination of each LED lamp is adjusted through a respective LED light modulator, the LED light modulators are connected with a PLC through a 3 # bus unit CAN3, the PLC transmits an illumination adjustment signal to the LED light modulators through the 3 # bus unit CAN3, and the LED light modulators are connected with the photovoltaic power generation panel. The output power can be adjusted from 0% to 100%, so that the illumination of the LED lamp is changed from 0% to 100%; an illuminometer is mounted outside the tunnel to detect the ambient illuminance outside the tunnel; a plurality of illuminometers are installed in each illumination area in the tunnel, and the actual illuminance of each area can be detected; all the illuminometers are connected with the PLC through the 1 # bus unit CAN1, data of each illuminometer is transmitted to the PLC in real time through the 1 # bus unit CAN1, the characteristics of photovoltaic power generation and tunnel illumination are combined, the illumination intensity outside a tunnel is detected, the illuminance of lamps in all areas in the tunnel is dynamically adjusted, and the illumination of all the areas is switched on and off according to the traffic flow and the vehicle position.

The utility model discloses an LED mobile phone eye protection lamp, which comprises a shell and a mounting frame, a main control board and a rechargeable battery are arranged in the shell, end covers are arranged at two ends of the shell, a charging jack is arranged on the end cover at one side and electrically connected with the rechargeable battery, and an on-off key is arranged on the end cover at the other side and connected with the main control board; an LED lamp is further arranged on one side, facing the mobile phone screen, of the main control board, and a transparent photomask is installed at the corresponding position of the shell; and the LED lamp illuminates towards one side of the mobile phone screen through the transparent light cover. According to the utility model, the eye-protection lamp for auxiliary illumination is installed on the mobile phone, and the illumination light emitted by the eye-protection lamp is overlapped with the blue light of the mobile phone screen, thereby effectively reducing the harm of the blue light, reducing visual fatigue, protecting eyesight, being especially suitable for people who use the mobile phone for a long time, and improving the eye health.

An electronic module can include a housing defining a housing cavity with a first opening and a second opening; an LED lamp board positioned within the housing cavity, the LED lamp board configured to emit light through the first opening; a first electrical terminal positioned within the second opening; and a first mounting plate positioned within the housing cavity, the first electrical terminal coupled to the first mounting plate, the first mounting plate configured to couple to a second mounting plate by engaging at least one claw with at least one radial lug to connect the first electrical terminal in electrical communication with a second electrical terminal coupled to the second mounting plate.

The invention relates to the technical field of light emitting of LED lamp beads, and discloses a uniform control method and device for the light emitting color of the LED lamp beads and the LED lamp beads, and the method comprises the steps that LED wafers are placed in a triangular annular mode, and the LED lamp beads are prepared through centrifugal treatment of double-layer packaging glue; acquiring an initial optical parameter matrix after applying rated working parameters, and establishing a standard data model; monitoring the LED lamp beads in real time to obtain a monitoring data set; calculating a multi-dimensional deviation vector by using a spectral similarity algorithm, an Euclidean distance algorithm and a ratio algorithm; a comprehensive deviation evaluation value is obtained through weighted summation; and generating a correction amount based on the evaluation value to carry out closed-loop control until a control termination condition is reached. According to the method, accurate control over the light emitting colors of the LED lamp beads is achieved, and the uniformity and stability of the light emitting colors of the LED lamp beads are improved.

The invention relates to the technical field of intelligent lighting control, in particular to an LED lamp energy-saving control method and system, and the method comprises the steps: obtaining environment data and user data; constructing a scene knowledge graph, and pre-storing illumination parameters of different scenes; performing standardization processing on the environment data and the user data, and obtaining a state vector in combination with the scene knowledge graph; inputting the state vector into a three-dimensional comfort level model to calculate a comprehensive comfort level score; if the comprehensive comfort level score is lower than a target threshold value, an illumination adjustment strategy is output through a dual-network illumination adjustment agent, the LED lamp is adjusted according to the illumination adjustment strategy, and the illumination adjustment strategy comprises light intensity adjustment, color temperature adjustment and light beam angle adjustment; and if the comprehensive comfort level score is higher than a target threshold value, lightweight light intensity gradient optimization is carried out, and the light intensity of the LED lamp is dynamically adjusted according to the position of the person. Therefore, the problems of insufficient environmental adaptability, lack of comfort consideration and the like in the prior art are solved.

The invention discloses a dynamically scheduled solar energy and mains supply dual-mode energy storage street lamp system, belongs to the technical field of new energy and intelligent power grids, and aims to solve the technical problems of how to realize dynamic distribution of energy storage and power supply and how to perform energy-saving scheduling on street lamp power supply. Comprising a photovoltaic power generation module, an energy storage module, a mains supply access module, a weather prediction module, an intelligent controller, an electricity price time-sharing module, an LED lighting module and a dual-mode energy storage control platform. Time-of-use electricity price table data, a photovoltaic electric energy estimated value corresponding to a future time period and an actual electricity consumption estimated value serve as influence factors, solar power supply and commercial power supply are distributed and dispatched through a decision tree based on the influence factors and a predefined dual-mode energy storage function strategy, and the brightness of an LED lamp is regulated and controlled.

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 discloses an automatic control gradient LED lamp energy-saving illumination method, which comprises the following steps: S1, asynchronous sampling is carried out through an illumination sensor A and an illumination sensor B, ambient light change data is collected, a sampling timestamp is recorded, a time difference weight is obtained based on the timestamp, data fusion is carried out through the time difference weight, and ambient light intensity data is obtained; s2, performing data calibration on the ambient light intensity data through a state space model, and performing optimization through a weighted moving average method to obtain an ambient light intensity change rate; and S3, acquiring a light change condition based on an environment illumination intensity change rate, adjusting a brightness duty ratio through a probability model based on Bayesian reasoning to output an initial control variable, performing optimization based on the initial control variable in combination with a particle filtering algorithm to obtain a final control scheme, and performing optimization through the probability model and the algorithm to obtain a final control scheme. A relatively accurate brightness adjustment scheme can still be given, and the intelligent level of lamp control is improved.

The invention relates to the technical field of intelligent lighting control systems, in particular to an underground garage lighting control system and method based on artificial neural network PID and a storage medium. Comprising a brightness sensor, a traffic flow sensor, an illuminance sensor, a temperature and humidity sensor and a microwave speed measurement sensor which are arranged inside and outside a garage; the intelligent network connection lamp comprises an intelligent gateway unit, an LED dimming driving unit and an LED lamp, and the intelligent gateway unit is used for receiving the control instruction and communicating with the upper computer; and the upper computer is used for receiving the data of the detection unit, generating an optimal illumination control curve based on a garage comfort illumination model and a rendezvous zone fuzzy control model, and adjusting the illumination of lamps in each zone in real time through an RBF neural network PID (Proportion Integration Differentiation) algorithm. According to the method, self-learning optimization is achieved, PID parameters are adjusted online through the neural network RBF, the method adapts to long-term dynamic influences such as differences of different types of garages, seasonal changes and equipment aging, and optimal control is given.

The invention relates to the technical field of intelligent dimming, and particularly discloses an intelligent dimming system of an LED warning screen, which comprises an LED warning screen body and an intelligent dimming controller, wherein the intelligent dimming controller comprises a light sensor, a voltage regulation module, a microprocessor, an illumination fluctuation analysis module and a regulation optimization module; the illumination fluctuation analysis module is used for analyzing the illumination change condition of the surrounding environment based on the illumination intensity obtained in real time and generating an illumination change frequency signal based on an analysis result; the regulation optimization module is used for analyzing the stability of the illumination change based on the illumination change frequent signal so as to optimize the regulation frequency and the voltage regulation value of the working voltage of the LED lamp bead regulated by the voltage regulation module based on the analysis result; according to the invention, the dynamic adjustment of the brightness of the LED warning screen is realized through intelligent sensing and analysis of the environment illumination change, the warning effect is ensured, the energy is effectively saved, and the overall performance of the system is improved.

The invention relates to the technical field of illumination, in particular to a multi-color-temperature down lamp and an intelligent control method of the multi-color-temperature down lamp. The intelligent control method for the multi-color-temperature down lamp comprises the following steps: acquiring the target brightness of the down lamp; obtaining a color temperature demand of a user; determining the target brightness of each LED lamp bead in the down lamp according to the target brightness and the color temperature demand, wherein the color temperatures of at least two lamp beads are different; and controlling each LED lamp bead to emit light at the target brightness. According to the invention, high-precision matching of the brightness and the color temperature of the down lamp can be realized.

The invention discloses a high-power stadium LED lighting ceiling lamp with high heat dissipation performance, and relates to the technical field of LED lighting ceiling lamps. The LED lamp comprises a lamp shell and an LED lamp panel, a heat insulation plate, a circulating pipe and a cooling fan which are sequentially distributed are arranged in the lamp shell, a heat conduction barrel is arranged on the heat insulation plate, the LED lamp panel is arranged on the heat conduction barrel, a plurality of heat conduction fins are arranged on the heat conduction barrel, and an air inlet, an exhaust pipe and a micro water pump are arranged on the lamp shell. The input end of the micro water pump communicates with the heat conduction cylinder through a pipeline, and a plurality of cooling fins are arranged on the circulating pipe. According to the LED lamp panel, a passive heat dissipation mode (for example, natural heat diffusion only depends on cooling fins or radiators) which is commonly depended on in the prior art is abandoned, an air cooling system and a liquid cooling system are innovatively and efficiently coordinated to work, active multi-stage heat dissipation of the LED lamp panel is achieved, and compared with a traditional passive heat dissipation scheme, the LED lamp panel has the advantages of being high in heat dissipation efficiency and good in heat dissipation effect. The internal temperature of the lamp can be obviously prevented from rising, and the heat dissipation efficiency is greatly improved.

The utility model relates to the technical field of lighting, and provides a light source module which comprises a first substrate and a plurality of light-emitting lamp beads, the first substrate is provided with a light-emitting face, and the light-emitting lamp beads are installed in the light-emitting face and distributed in a determinant mode. The light-emitting lamp beads comprise red light LED lamp beads, green light LED lamp beads, blue light LED lamp beads and white light LED lamp beads which are independently controlled; in every two adjacent rows of light-emitting lamp beads, two of the red light LED lamp beads, the green light LED lamp beads, the blue light LED lamp beads and the white light LED lamp beads are arranged in one row, and the other two of the red light LED lamp beads, the green light LED lamp beads, the blue light LED lamp beads and the white light LED lamp beads are arranged in the other row. The arrangement mode of the plurality of light-emitting lamp beads ensures that the light-emitting lamp beads of each color cannot be concentrated in a certain specific area, so that the color uniformity of the whole light-emitting surface is realized, more consistent and more uniform lighting effect is provided, and more natural and more uniform synthetic white light is generated.