82 results about "Bright spot" patented technology

The invention relates to the technical field of nano particle heterogeneous reaction kinetic research, in particular to a nano single particle reaction rate measuring system and method based on optical surface wave dark field imaging. The method comprises the following steps: preparing a nano single particle sample; the humidity of the environment where the nano single particles are located is adjusted; starting a heterogeneous reaction of the nano single particulate matter, performing in-situ dark field imaging on the nano single particulate matter in the reaction process, and collecting scattering hot spot imaging data under different reaction times and different humidity; and based on the acquired imaging data, the reaction rate of the nano single particulate matter is inversed in combination with a kinetic model. According to the invention, the defects in the existing nano-particle reaction rate measurement technology can be overcome, and the reaction rate of a single particle as low as 50 nanometers in the heterogeneous reaction process can be accurately measured and inverted under the high-humidity standard atmospheric pressure condition.

The invention discloses a calcium carbonate sewage treatment intelligent monitoring method based on the Internet of Things, and relates to the technical field of environmental engineering, and the method comprises the following steps: constructing a multi-angle light beam scanning array, collecting a scattering reflection intensity matrix in real time, generating a hot spot candidate set through the matrix, and calculating an angle spectrum deviation coefficient corresponding to a pixel; the base line is used for establishing a bright spot identification base line; and based on the angle spectrum deviation coefficient, introducing a micro-area temperature difference mapping mechanism, collecting a micro-area temperature gradient curve, carrying out normalization comparison on the temperature gradient curve and the angle spectrum deviation coefficient, and extracting a synchronous transition point as a hot spot identification trigger threshold. Microbubble interference is shielded through the dynamic shielding mask, a turbidity monitoring window is corrected, bubble dissipation duration is calculated based on temperature difference attenuation, sedimentation judgment is delayed, advanced stirring and dosing stop caused by misjudgment is avoided, sedimentation sufficiency and water quality stability are improved, intervention frequency is reduced, and the method is suitable for treatment of industrial wastewater containing calcium carbonate particles.

The present application relates to a kind of for the determination method of liquid alloy density in electrostatic suspension state in space station, after obtaining the photo of liquid alloy in electrostatic suspension state in space station, first photo is converted into pixel matrix and carries out gray scale processing, then deduct photo background by matrix operation.Further, the best binary grayscale threshold of pixel matrix is calculated, and pixel matrix is carried out binary processing.Then all boundary coordinates in pixel matrix are obtained by matrix operation, and each connected boundary is distinguished.Excluding bright spot boundary, the boundary coordinates and center coordinates of liquid alloy are obtained.Then the boundary equation of liquid alloy is obtained by using multi-order Legendre equation fitting liquid alloy boundary coordinates.Finally, the volume of liquid alloy is obtained by rotating integral to the boundary equation of liquid alloy, and then the density value of liquid alloy is obtained.The density value of the present application can be obtained by processing liquid alloy photo, and can be used for the determination of containerless liquid alloy density in electrostatic suspension in space station.

The invention belongs to the technical field of feature recognition of underwater complex targets, and relates to a boundary element-based multi-bright-spot cluster target interference feature estimation method, which comprises the steps of geometric model construction and introduction, numerical calculation based on multi-physics field coupling, echo intensity representation by adopting an angle-frequency spectrum, and analysis of resonance generated by multi-body interference. According to the method, a numerical model for solving a three-dimensional double-gas-cylinder omnidirectional scattering sound field is established based on a boundary element method, and omnidirectional and broadband scattering characteristics of a target in horizontal and vertical attitudes are calculated; a multi-bright-spot dual-target strong scattering coupling mechanism is mainly analyzed, and a multi-body configuration and single target scattering interference fringe generation mechanism is disclosed; according to the method, the inherent attribute characteristics of the single target can still be effectively identified in a cluster target scattering field; the mapping relation among the geometric configuration, the spatial arrangement mode and the frequency response is obtained, and a theoretical formula suitable for double-target sound scattering forecast is deduced.

A space surveillance method for detecting space objects in orbit around the Earth in images captured during the daytime, the method including the following steps: capturing a plurality of infrared images of the daytime sky using a camera including at least one infrared sensor, detecting space objects in orbit around the Earth on the basis of the images, the detection of bright spots being implemented by a deep-learning artificial intelligence system, and identifying each object detected from a catalogue of known space objects in orbit around the Earth.

The invention discloses a graph pattern generation method based on a Clarii graph, and relates to the technical field of information, and the method comprises the steps: constructing an extended fluorescent material calibration module, introducing a saturation critical light intensity reference value, and carrying out the calibration of the Clarii graph under the dual constraints of color temperature deviation distribution and brightness standard deviation; according to the method, the pattern contrast change condition is recognized through the adjusted pattern contrast, a correction index is formed, the LED backlight wavelength is corrected for the second time according to the correction index, pattern structure deviation information is fed back to a spectrum control link, and the color uniformity of the LED backlight is improved. According to the scheme, on the premise of ensuring uniform fluorescence response and inhibiting bright spots, dark spots and stripes, the Clariy pattern can be kept stable, clear and layered in an actual application environment.

The invention discloses an anesthesia preoperative risk assessment method and system based on multi-source data fusion, and relates to the technical field of medical informationization, and the method comprises the following steps: S001, building a cross-time-scale illumination and skin state combined observation baseline, injecting a micro-amplitude polarization mark in an image collection chain, and obtaining an image collection chain; extracting a hot spot track and a boundary definition curve through frame-by-frame image analysis, and constructing a time reference point set of a reflection behavior; and S002, based on the time reference point set, executing optical reflection decomposition on the observation image sequence, separating mirror reflection and diffuse reflection components under a unified light field model, generating a double-domain characteristic spectrum of a reflection domain and a blood flow response domain, and constructing an artifact risk map. According to the method, the time reference point and the polarization mark are constructed, illumination and reflection behavior modeling and separation are achieved, anti-fact playback, causal checking and dynamic regulation are combined, artifacts are accurately removed, real blood flow features are extracted, and the accuracy and stability of preoperative risk assessment are improved.

The application relates to the field of image processing, in particular to an LED double-lamp recognition method and device based on a monocular camera, equipment and a medium. The method comprises the following steps: ensuring data real-time by collecting video frames at a preset frequency, accurately distinguishing constant light and flickering light spots by using bright spot recognition and feature screening, and effectively excluding environmental interference; accurately associating the double-lamp spots of the same vehicle in space and time by using an association matching technology, and improving the accuracy of target vehicle recognition; predicting the vehicle trajectory based on Kalman filtering and other algorithms, and comprehensively judging the line-crossing event by combining the line-crossing time difference and the speed condition, which not only improves the smoothness and anti-interference ability of vehicle trajectory prediction, but also enhances the reliability and accuracy of line-crossing detection, so that the method has high robustness and practicality in complex scenes.

The invention discloses a household oral health monitoring system and method based on image recognition, and is suitable for performing adjacent surface demineralization monitoring of multi-frame angle scanning shooting on a target adjacent surface contact point neighborhood under the condition of light supplement by a user handheld device in a household non-diagnosis and treatment environment. Aiming at the problems that a deep reflective strong bright spot is easily formed in an interdental space through region and is overlapped with a suspected demineralization bright spot on an adjacent surface shallow layer to induce a false focus, so that the risk score is unstable, and the risk score fails and lacks a re-mining basis, a blinding highlight area index sequence is constructed in the interdental space through region and a step blanking index is calculated; determining a cut-in point and a cut-out point of a measurement window by combining single-side shielding shadow boundary propulsion and a boundary quality threshold, extracting demineralization candidate responses only in the window, generating a normalized difference result based on attitude baseline calibration, and outputting an adjacent surface demineralization suspected area and a demineralization risk score; and when the window is not closed or too short, outputting a degradation mark and remining guidance and applying confidence punishment to the risk score.

The utility model relates to the technical field of lighting equipment, and discloses a lamp. The lamp comprises a light guide plate which comprises a front face, a back face and a side face serving as a light inlet face, and the light inlet face is provided with a convex arc-shaped area which is provided with a concave-convex structure; the lamp strip is matched with the light guide plate in shape and surrounds the light inlet surface of the light guide plate; a containing cavity is formed in the lamp holder, the light guide plate and the lamp strip are arranged in the containing cavity, the front face of the light guide plate faces the opening direction of the containing cavity, and the back face of the light guide plate faces the bottom face of the containing cavity. The arc-shaped area is provided with the concave-convex structure, the concave-convex structure can scatter light rays, the path of the light rays entering the light guide plate is changed, and therefore light ray focusing is avoided. The direction and distribution of the light are adjusted through the concave-convex structure, it is ensured that the light can be evenly spread in the light guide plate, formation of local bright spots and virtual images is remarkably reduced, and the overall lighting uniformity and the visual comfort degree are improved.

This invention proposes a device and method for suppressing zero-order diffraction spots of a spatial light modulator based on a coaxial optical system. The device comprises a laser coupler, a spatial light modulator, a movable coaxial optical system, and a subsequent imaging system, all coaxially connected via a cage-like fixing assembly. The coaxial optical system includes a first lens, a blocking assembly, and a second lens. The method includes the following steps: S1, a laser source is coupled through the laser coupler and then incident on the spatial light modulator for phase modulation, forming a composite reflected beam containing modulated and unmodulated light; S2, the composite reflected beam is introduced into the coaxial optical system for filtering; S3, the filtered beam is output to the subsequent imaging system to obtain a holographic image with suppressed bright spots. In this application, no modifications to the hardware structure of the spatial light modulator or the holographic algorithm are required. Zero-order diffraction suppression can be achieved by introducing a combination of focal plane separation and anti-pinhole blocking in the optical path, resulting in a simple and easy-to-implement structure.

The invention relates to the technical field of low-frequency sonar systems, in particular to an active azimuth history graph suspected target prompting method based on image segmentation, which comprises the following steps: firstly, carrying out binarization processing on an active azimuth history graph through a maximum between-class variance method, then, carrying out morphological processing and connected region analysis on a binary image to realize 8 connected region marking, and finally, carrying out image segmentation on the image; secondly, calculating the area and the mass center of each connected region, filtering the region with the large area to obtain a discrete target region mask image, multiplying the discrete target region mask image with an original binary image to obtain a discrete target region image, and finally, carrying out BFS search on the mass center of each discrete target region to obtain a discrete target region image; and calculating the sum of the Euclidean distances between the active azimuth history graph and five nearest connected regions, marking the mass centers of five discrete target regions with the maximum Euclidean distance sum on the active azimuth history graph, and realizing isolated bright spot positioning, thereby realizing automatic prompting of suspected targets in the active azimuth history graph of the sonar system so as to reduce the difficulty of target identification of a worker.

The utility model discloses a light strip structure; the light strip structure comprises: a light strip, a number of light beads are evenly installed on the light strip, the outer periphery of the light beads is covered with a first light-transmitting astigmatism layer, the periphery of the first light-transmitting astigmatism layer and the light strip is covered with a second light-transmitting astigmatism layer, and a portion of the second light-transmitting astigmatism layer is covered by a light-protecting layer, so that the light emitted by the light bead passes through the first light-transmitting astigmatism layer and then exits through the area where the light-protecting layer does not cover the second light-transmitting astigmatism layer.The utility model has a first light-transmitting astigmatism layer on the periphery of the light bead, and the light emitted by the light bead is first evenly scattered by this layer, reducing the bright spots or points of light that can be generated when the light is emitted directly by the light bead, making the light initially soft, and then the light passes through the second light-transmitting astigmatism layer, which further diffuses the light, making the light distribution more even and avoiding the problem of light glare.

The invention discloses an optical module for a vehicle lamp, the vehicle lamp and a vehicle, and relates to the technical field of vehicle parts. The optical module comprises a light source and a thick-wall part, and a light incident surface, a reflecting surface and a light emergent surface are formed on the thick-wall part; the light incident surface faces the light source and is used for receiving light rays emitted by the light source; the reflecting surface is a curved surface formed by sequentially connecting a plurality of reflecting units, and the reflecting units are used for reflecting light from the light incident surface to the light emergent surface. According to the optical module, bright spots can be effectively prevented from being generated when the optical module is not lightened so as to maintain the attractive appearance, and light can be evenly distributed when the optical module is lightened so that the lighting effect, the driving safety and the use experience can be improved.

This invention discloses a non-contact contact wire geometric parameter measurement algorithm based on a monocular camera. Utilizing an industrial camera, inertial navigation system, and infrared laser equipment, combined with camera calibration and image processing algorithms, it implements an automatic exposure algorithm to adapt to detection needs under different lighting conditions. It also utilizes inertial navigation signals to intelligently open and close the detection equipment based on train start and stop times, implements a line-changing detection algorithm that effectively records line-changing data, and implements a bright spot tracking algorithm that significantly improves detection speed and reduces program load. These algorithmic innovations enable high-precision, real-time, and automatic measurement of contact wire pull-out and guide height values, thus providing reliable support for rail transit operation and maintenance.

The invention discloses an electrical component adhesive tape falling detection device and method, and belongs to the technical field of adhesive tape detection. The device comprises a detection table provided with a detection chamber and a detection station at the upper part, wherein a horizontal main bearing table capable of bearing a to-be-detected electric appliance element and pushing the to-be-detected electric appliance element to the detection station is rotationally arranged in the detection chamber; a detection assembly is arranged above the main bearing table and comprises an annular lamp holder, a hemispherical lampshade and a visual sensor, the inner side of the annular lamp holder is provided with a first light source assembly in an annular light-emitting array, the hemispherical lampshade is arranged on the upper side of the annular lamp holder, the visual sensor is arranged over the lampshade, and light of the first light source assembly is obliquely output towards the position below the center point of the annular lamp holder. Based on a dark field detection principle, a tiny air interlayer between the adhesive tape and an element interface is converted into a high-contrast bright spot through low-angle light irradiation, the problem of early degumming can be recognized, the limitation of human eye and traditional visual detection is solved, and the sensitivity of adhesive falling detection of the electrical element adhesive tape is effectively improved.

The application discloses a ship metal straight ladder with a low radar wave scattering cross section and a mounting method, which comprises a ladder frame, a step rod and a fixing base, the ladder frame is symmetrically arranged left and right, and is connected into a shape through the step rod, the step rod is uniformly and spacedly arranged along the axial direction of the ladder frame, the bottom of the ladder frame is sleeved with a ladder frame sleeve, the ladder frame sleeve is connected with the fixing base, the fixing base is arranged correspondingly to the left and right sides of the ladder frame, and is fixed on a mounting platform. The application effectively reduces the head radar wave scattering cross section area of the ship straight ladder, avoids becoming a local bright spot of ship radar wave scattering, and supports the design of a stealth ship.

In order to solve the problem that the detection performance of an active sonar is seriously reduced due to channel fluctuation, target intensity fluctuation and strong reverberation backgrounds, the invention provides a single-frame and multi-frame integrated reverberation suppression and target enhancement method for a distributed MIMO sonar, which comprises the following steps: firstly, carrying out space-time processing on all receiving ends of the distributed MIMO sonar to obtain transmitting-receiving channel output; carrying out incoherent delay summation on all transmitting-receiving channel outputs to obtain single-frame detection output; then, single-frame detection output serves as input of multi-frame processing, and a multi-frame Gaussian mixture model is used for restraining reverberation background and enhancing moving target bright spots; and finally, processing the output of the multi-frame Gaussian mixture model by using the multi-frame high-order nonlinear cumulant. Compared with a traditional method, the method has the advantages that under the conditions of channel fluctuation, target intensity fluctuation and strong reverberation background, the strong reverberation background can be effectively inhibited, and more stable and higher-quality target bright spot detection output is obtained.

The application provides a storage ring double-time-of-flight detector collimation system and method, and relates to the technical field of particle accelerator collimation. The system comprises: a structured laser beam generator, which outputs a structured laser beam with a central bright spot and a concentric circular ring structure; a long-distance reference establishment module, which comprises first and second photoelectric sensors positioned on a theoretical beam center line respectively, and the structured laser beam simultaneously passes through the light-sensitive centers of the first and second photoelectric sensors to establish a straight line reference; and a detector alignment assembly, which comprises a third photoelectric sensor mounted on the double-time-of-flight detector and having a light-sensitive center coinciding with the geometric center of the double-time-of-flight detector, the third photoelectric sensor being used to detect the position of the light spot center to obtain a deviation value of the detector relative to the straight line reference, so as to guide the adjustment of the position of the detector. The application completely eliminates the measurement failure problem caused by the laser penetration of the traditional total station through the carbon film, overcomes the precision limitation of the non-prism scanning, and realizes the high-precision and high-reliability collimation of the double-time-of-flight detector.

The application discloses a shaft hole matching detection method, which comprises the following steps: using a shaft hole matching detection device to detect the matching of a shaft hole, making a reciprocating motion of a rubbing ring in the shaft hole matching detection device, changing a shaft hole inner wall area that does not meet the size into a bright reflection spot in the shaft hole, and polishing the bright reflection spot to complete the shaft hole matching detection work. The shaft hole matching detection device is used to detect the shaft hole shape tolerance deformation value, simultaneously detect the shaft hole inner wall smoothness, and polish the shaft hole area that does not meet the requirements, so that the problems of the shaft installation in the shaft hole are avoided, and the service life of the shaft is improved.

The present application relates to a kind of rotary air preheater corrugated plate ash removal effect evaluation method, it is related to the field of cleaning, including the following steps, the corrugated plate on the inner blade of unused air preheater is scanned by ultrasonic probe to obtain ultrasonic image as original image and record;Air preheater is cleaned after use by high-pressure water gun, and is cleaned by adopting acoustic wave soot blower cooperation;Corrugated plate is scanned by ultrasonic probe to obtain ultrasonic image as cleaning image and record;Cleaning image is compared with original image, according to the size of the bright spot in cleaning image, number intuitive judgment ash removal effect, and calculate dust removal rate by the light and shade of bright spot, the present application has the advantages that more accurate, non-destructive evaluation method of degree of fouling cleaning can be provided, to realize the accurate judgment of the inside cleaning condition of corrugated plate.

The application belongs to the technical field of display panel detection, and discloses a display panel low-brightness bright spot detection correction method based on CCD sensing, which comprises the following steps: selecting a panel without bright spot defects and fixing a full-black display picture, configuring a CCD imaging system to take picture parameters; keeping the CCD position unchanged, continuously collecting multiple images at a preset interval; obtaining a fused image through pixel-level weighted fusion, generating a normalized weight map based on the fused image, and performing edge-sensitive interpolation on the fused image to obtain an interpolated image; fusing the three images in multiple modes to obtain a correction image that eliminates the interference of CCD bright bad spots, which is used for display panel low-brightness bright spot detection. Through the above method, the interference of CCD bad spots is effectively eliminated, and the accuracy and stability of subsequent display panel low-brightness bright spot detection are improved.

The invention provides a light-emitting assembly, a ceiling assembly and a vehicle. The light-emitting assembly is applied to the vehicle. The vehicle comprises an outer ceiling. The light-emitting assembly comprises an inner ceiling and a light-emitting component; the inner ceiling is arranged on the inner peripheral side of the outer ceiling, is spaced from the outer ceiling and is used for connecting skylight glass; the light-emitting assembly is arranged between the outer ceiling and the inner ceiling, and light emitted by the light-emitting assembly can be emitted to the interior of the vehicle from the position between the outer ceiling and the inner ceiling. The part, close to the skylight glass, of the ceiling is partially divided into the inner ceiling and the outer ceiling, the light-emitting assembly is arranged between the inner ceiling and the outer ceiling, the annularly-arranged light sources can be arranged so as to reduce uneven vision caused by light decay, the light sources are matched with the light uniformizing cover so that the illumination uniformity can be further improved, local bright spots can be avoided, and the service life of the ceiling is prolonged. In addition, the inner ceiling, the light-emitting assembly and the skylight glass can be conveniently and integrally supplied, supply of multiple suppliers is not needed, and the packaging, transporting and assembling cost of parts is reduced.

The application discloses a sound field regulation and control calculation method based on gradient phase change of bright spot model, relates to the technical field of acoustic metasurface, and comprises the following steps: determining a frequency parameter for sound field regulation and control; calculating a target surface bright spot to determine a main scattering position; arranging an acoustic metasurface at a position with strong scattering to perform regulation and control after the surface bright spot is calculated; verifying whether the result of piecewise superposition is consistent with the result of direct calculation of the piecewise bright spot model by using finite element software or through theoretical solution; if the result is consistent, the piecewise bright spot model method is correct; solving a scattered sound field by using the piecewise bright spot model method and adding phase change; and quickly calculating scattering characteristics of the acoustic metasurface. The sound field regulation and control calculation method based on gradient phase change of bright spot model can regulate the scattered sound field by using the bright spot model method and giving the gradient change phase, and the acoustic metasurface can be quickly calculated by setting a suitable phase.

In order to perform accurate concentration measurement even for a dispersion liquid with a low concentration, the dispersion liquid concentration measurement system according to the present invention comprises a container 20 for storing the dispersion liquid, a laser light source 10, an imaging device 30 for capturing an image of the area where laser light 11 is incident on the dispersion liquid to generate an image, and a processing device 40, wherein the processing device 40 determines the concentration of the dispersion liquid containing standard particles by dividing the number of bright spots included in the captured image of the dispersion liquid containing standard particles by the volume of the dispersion liquid determined by multiplying the imaging range by the depth of field, and the settings of the imaging device 30 and / or the laser light source 10 are set so that the determined concentration of the dispersion liquid containing standard particles is within a predetermined range with respect to the actual concentration.

Accurate concentration measurements can be performed even with low-concentration dispersions. [Solution] The dispersion concentration measurement system according to the present invention comprises a container 20 for containing the dispersion, a laser light source 10, an imaging device 30 that captures an image of the region where laser light 11 from the laser light source 10 is incident on the liquid in the container 20 and generates an image, and a processing device 40. The processing device 40 counts the number of bright spots based on a first image obtained by irradiating the container 20 with only the solvent and laser light 11, and counts the number of bright spots based on a second image obtained by irradiating the container 20 with the dispersion and laser light 11. The concentration of the dispersion is determined by subtracting the number of bright spots in the first image from the number of bright spots in the second image and dividing the result by the volume of the dispersion obtained by multiplying the imaging range of the imaging device 30 by the depth of field.

The application relates to the technical field of laser active detection and positioning, and discloses a cat-eye target time-domain interference identification method and system based on an APD array. The method adopts large-field imaging search and time-domain interference identification to cooperate: a high-resolution CMOS camera performs large-field echo imaging and preprocessing on a target region, extracts bright spots through adaptive threshold segmentation, and calculates the centroid coordinates; then, according to the mapping relationship between the pre-calibrated CMOS image plane coordinates and the APD array channels, corresponding APD channels are selected, and the time-domain interference electric signals formed by the echoes at the positions of suspicious cat-eye targets and reference light are short-time sampled. The reference light introduces a beat frequency to enhance the detectability of the short-window interference signals, and the peak-to-background contrast of the interference signals is extracted as a true-false criterion: if the threshold is exceeded, the centroid coordinates of the real target are output, otherwise, the target is rejected. The scheme can reduce false detection and missed detection under a complex background, and is suitable for the rapid identification and positioning of reflection targets such as space target optical devices.

The utility model relates to an optical module and a lighting system. The optical module comprises a light distribution piece and a light source assembly, a plurality of microstructures are arranged on the surface of one side of the light distribution piece, the microstructures are distributed in a rectangular array mode and have the first direction and the second direction in the two sides, and the adjacent microstructures are connected. The orthographic projection of each microstructure has a first maximum length and a second maximum length, and the first maximum length is greater than the second maximum length. The light source assembly is provided with a plurality of light-emitting areas, the light-emitting areas correspond to the microstructures, each light-emitting area is used for projecting long-strip-shaped light spots towards the microstructures, and the length direction of the light spots is consistent with the first direction. When the optical module is applied to the LED lighting device, through scattering and total reflection of the microstructures and light mixing between the microstructures, the light distribution piece of the optical module remarkably improves the light emitting brightness of the light distribution piece, eliminates light source bright spots, forms a uniform lighting area extending in the first direction visually, is free of visual dark areas and is good in visual effect.

This utility model belongs to the field of optical equipment technology and discloses an optical component and lamp, including a reflector, a lens, and an anti-glare cover. Both the reflector and the anti-glare cover are internally connected conical cylinders. The smaller diameter end of the reflector is the first light inlet, and the other end is the first light outlet. The smaller diameter end of the anti-glare cover is the second light inlet, and the other end is the second light outlet. The lens is disposed between the first light outlet and the second light inlet. The ratio of the reflector height h to the total height H of the optical component ranges from 0.35 to 0.95; the ratio of the lens diameter d to the second light outlet diameter D ranges from 0.5 to 1.0; the ratio of the first light inlet diameter Φ to the second light outlet diameter D ranges from 0.1 to 0.7; and the ratio of the lens diameter d to the reflector height h ranges from 0.3 to 0.9. This configuration increases the effective optical area of ​​the optical component, eliminates excessively bright spots, increases the area of ​​the first light inlet, allows compatibility with multiple light sources, and improves the overall luminous efficiency of the lamp.