3041 results about "Red light" patented technology

The invention relates to the technical field of gas detection, and particularly discloses an industrial gas concentration detection system, which is used for solving the problems of signal attenuation, low detection precision, high cost and poor stability caused by environmental interference and multi-laser beam combination since a correlation type optical machine adopts a single-path and fixed compensation method and cannot measure multi-component gas at the same time. Comprising a transmitting end and a receiving end, a laser is arranged in the transmitting end, a red light generator is arranged in the transmitting end, an off-axis parabolic mirror is arranged on one side of the transmitting end, an optical filter is arranged above the off-axis parabolic mirror, a photoelectric detector is arranged above the optical filter, a first window is arranged on one side of the off-axis parabolic mirror, a second window is packaged in the receiving end, and a full-angle reflector is arranged on one side of the second window. The photoelectric detector is sequentially connected with a data inversion analysis module, a dynamic environment compensation module and an environment sensing module; by optimizing optical design and dynamic environment compensation, multi-gas concentration detection is realized.

The embodiment of the invention provides an automatic driving method and device based on a multi-dimensional reward function, and the method and device achieve the control of a driving motion through the combination of an imitation learning framework and a reinforcement learning framework, collection of environment information through a plurality of cameras, and construction of a strategy generation network and a discriminator network. A multi-dimensional reward function model is designed, behaviors such as red light running, line pressing, lane departure and collision are detected and evaluated in real time, and a driving behavior reward and punishment matrix is constructed. Based on an actor evaluation network architecture, environment information and a navigation instruction are input into an actor network to generate an optimal driving action, and the action value is evaluated through the evaluation network to realize dynamic parameter optimization. According to the method, the defects of the traditional technology in the aspects of driving behavior evaluation, action value judgment and the like are effectively overcome, and the safety and reliability of the automatic driving system are remarkably improved.

1. The name of the product under this design: Red light therapy lamp (LUM E series 1500‑2400). 2. Purpose of this product: This product is used as a therapy lamp. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the key points of the design: 3D drawing of Design 1. 5. Designate Design 1 as the base design.

1. The name of the product of this design: Red Light Therapy Lamp (RL‑PRO). 2. Purpose of the product of this design: used to irradiate the user's skin with red light. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the key points of the design: Design 1 Stereoscopic drawing 1. 5. Designate Design 1 as the base design.

The invention discloses a method for improving the heat dissipation performance of an AlGaInP red light Micro LED chip. The method comprises the following steps: S1, preparing an epitaxial structure: processing a substrate and a buffer layer, growing an etching barrier layer and an ohmic contact layer, and carrying out stacking epitaxy on a functional layer; s2, patterning the silicon-based substrate: preparing a dielectric layer and a metal structure; s3, diamond ohmic contact layer integration: processing a p-type conductive diamond film layer, and carrying out metal reflection and bonding; s4, removing the substrate and forming an n-type structure: stripping the substrate to be in n-type contact; s5, back-end process integration: preparing an electrode and an optical structure; according to the invention, the heat dissipation performance of the chip is significantly improved; the series resistance is reduced by 30%-50%; the resistivity of the p / n type diamond ohmic contact layer is reduced by 1-2 orders of magnitude compared with ITO; gaAs material light absorption and metal shading are avoided, and the red light transmittance is improved from 75% to more than 90% by combining with the micro lens array; the method is compatible with existing MOCVD, CVD and photoetching processes, large-scale production of wafers of 2-12 inches can be achieved, and the manufacturing cost is reduced.

The invention discloses a stone cultural relic disease identification method based on a hyperspectral image, and aims to solve the problem that stone cultural relic disease investigation depends on artificial experience and is time-consuming and labor-consuming. The method comprises the steps that a hyperspectral image of a stone cultural relic to be explored is collected and preprocessed; extracting spectral features; selecting a central wave band of three wave bands of blue light, green light and red light to construct a true color image; extracting texture features and color features of the true color image; fusing the spectral features, the texture features and the color features to obtain combined features; establishing a typical disease feature database; training a disease classification model by using a random forest, a support vector machine, a gradient elevator and a convolutional neural network; carrying out typical disease identification by using the intelligent identification model and drawing a disease cloud picture; and calculating the typical disease area proportion of the to-be-detected area to carry out disease evaluation. According to the invention, in-situ, lossless and rapid identification of stone cultural relic diseases is realized, manpower and material resources are saved, and an intelligent identification method is provided for cultural relic protection exploration work.

The invention belongs to the technical field of temperature monitoring, and particularly relates to a temperature monitoring system and method based on high-energy red light therapy. According to the invention, through two-dimensional processing of comprehensive surface and deep layer temperature information, the temperature condition of a treatment area can be known more comprehensively, an abnormal area can be found in real time, accurate temperature regulation measures can be taken, the overheat or overcold condition is effectively avoided, the treatment safety is ensured, and through dynamic monitoring and a feedback mechanism, the treatment accuracy is improved. According to specific requirements of different treatment areas, treatment parameters such as red light power and treatment time can be adjusted in a targeted mode, personalized temperature regulation and control are achieved, it is ensured that each area obtains the most suitable treatment condition, the treatment effect is improved, a closed-loop control system is formed through dynamic regulation and control and a feedback mechanism, and the treatment effect is improved. Real-time temperature feedback adjustment can continuously optimize treatment temperature distribution, and continuity and stability of the treatment effect are guaranteed.

Systems and methods for controlling traffic flow on road(s). The methods comprise: obtaining, by a processor, traffic related information comprising a total number of vehicles that caused an activation of a sensor of a first detector located at a first intersection of a plurality of intersections; generating, by the processor, a predicted traffic volume at one or more downstream second intersections based on the traffic related information; generating, by the processor, a traffic light timing for at least two next cycles based on the predicted traffic volume; and controlling, by the processor, a traffic light of the one or more downstream second intersections in accordance with the traffic light timing to reduce a probability or likelihood that the vehicle will stop at a red light thereat..

The invention relates to a method for improving the content and molecular weight of aloe polysaccharide in aloe, which comprises the following steps of: firstly, removing blank parts at the tip and the tail of the aloe, retaining aloe leaves, and cultivating by using pure water; peeling and pulping aloe leaves to obtain aloe gel; placing the obtained aloe gel in an illumination reaction tank; a stirrer is arranged at a tank opening of the illumination reaction tank; a color-adjustable LED lamp is placed above the illumination reaction tank, and blue light, red light and dark light alternate illumination treatment is carried out on the aloe gel. According to the method, the content and molecular weight of the aloe polysaccharide in the aloe barbadensis gel are successfully improved by utilizing an external field such as a red and blue alternating light field, in addition, a natural system can be simulated by applying proper illumination adjustment, and the polymerization reaction is controlled by the external field to generate biomacromolecules (such as polysaccharide). The high molecular weight and content of the aloe polysaccharide are crucial to the biological activity of the aloe polysaccharide, so that the method is of great significance to the development of the medicinal value of the aloe polysaccharide product.

The invention discloses a cultivation method for promoting rapid growth and development of spring wheat, and belongs to the technical field of wheat breeding and cultivation. The cultivation method comprises the following steps: 1, seed pretreatment; 2, field planting and soil culture: transplanting wheat seeds with white buds into a seedling culture hole tray, transferring the seedling culture hole tray into a culture room with a long photoperiod, culturing until the wheat seeds are mature, and harvesting; lED light is adopted in the culture room for illumination; the LED light is blue light, white light or a mixture of red light and blue light according to a light quantum ratio of 3: 1. The method has the beneficial effects that the condition combination of regulating and controlling the light period, the light quality and the light intensity is provided. Through the combination of fixed and widely applicable illumination conditions, the method significantly shortens the growth cycle of the spring wheat. The method has the beneficial effects that the time from seed germination to mature harvesting of the spring wheat is generally 50-60 days, so that 6-7 generations of spring wheat can be harvested in one year. The wheat growth cycle is shortened, the breeding efficiency is remarkably improved, and a solid technical foundation is laid for improvement and cultivation of chassis varieties.

The invention provides a grassland desertification ecological restoration time sequence remote sensing vegetation monitoring method, and relates to the technical field of remote sensing and vegetation monitoring, and the method comprises the steps: collecting the image data of a red light wave band and a near-infrared wave band of a target region; performing data preprocessing on the image data to obtain preprocessed data; the NDVI value of each pixel in the preprocessed data is calculated; optimizing the NDVI value by using Gaussian kernel transformation to obtain a kNDVI value; and based on a time sequence analysis method, according to the kNDVI value, analyzing the vegetation coverage change trend of the target area. The invention not only provides a scientific and effective vegetation monitoring method, but also shows wide application potential in environmental monitoring and ecological restoration through practical application. According to the invention, the traditional NDVI is improved through a kernel method, so that the application of the NDVI in a complex environment is more accurate and reliable.

The invention relates to the technical field of phototherapy, in particular to a wearable light blood sugar reducing device and system and an eyeshade. The wearable light hypoglycemic device comprises a wearing unit for a user to wear; the lighting unit is used for projecting red light to human eyes; the driving unit is used for supplying power to the lighting unit; and the control unit is used for adjusting the light-emitting mode of the lighting unit according to a preset regulation and control scheme. According to the preset regulation and control scheme, multiple times of illumination are carried out within preset time, and the interval between every two adjacent times of illumination is preset duration. Red light waves of a specific wave band can be emitted to human eyes according to a preset regulation and control scheme, photosensitive retinal ganglion cells (ipRGCs) can be directly activated, signals are transmitted from optic nerves to series nerve nuclei of hypothalamus and medulla oblongata, finally, the signals act on peripheral brown adipose tissue BAT through sympathetic nerves, the metabolic capacity of blood sugar is affected, and the blood sugar metabolism is improved. And when the embodiment is used for reducing blood sugar, the user only needs to wear the equipment, so that the method is easy to implement.

1. Name of the product in this design: Red Light Therapy Lamp (ROUGE Series). 2. Purpose of this design: A therapeutic lamp for health care and physiotherapy. 3. The key design feature of this product is its shape. 4. The picture or photo that best illustrates the key design points: Design 1 3D diagram 1. 5. Design 1 is designated as the basic design.

Systems and methods are provided for vehicle navigation. The systems and methods may detect traffic lights. For example, one or more traffic lights may be detected using detection-redundant camera detection paths, a fusion of information from a traffic light transmitter and one or more cameras, based on contrast enhancement for night images, and based on low resolution traffic light candidate identification followed by high resolution candidate analysis. Additionally, the systems and methods may navigation based on a worst time to red estimation.

The invention provides a method for detecting multi-gas concentration in exhaust gas and a gas filtering system, and relates to the technical field of gas detection. The method comprises the following steps: setting components and concentration of mixed gas according to characteristics of target detection gas, and injecting the mixed gas into a light filtering channel to eliminate illumination interference of a red light wave band so as to obtain first illumination; after a user detection instruction is obtained, the gas inlet valve is opened, the exhaust gas enters the detection chamber, the exhaust gas entering the detection chamber is detected through the gas automatic identification module, and the concentration of multiple target detection gases is estimated. Determining the target detection gas with the highest concentration, adjusting an optical filter to filter the first illumination to obtain second illumination, enabling the second illumination to penetrate through the exhaust gas to obtain third illumination, determining the concentration of the target detection gas according to the third illumination and the second illumination, and displaying the concentration on a screen in real time. In a complex gas emission environment, the influence of interference gas is eliminated, and the concentration of target detection gas is accurately detected.

The invention relates to the technical field of chips, in particular to a reversed-polarity red light emitting LED chip and a manufacturing method thereof. The reversed-polarity red light emitting LED chip comprises a graphite substrate, a graphene bonding layer, an Ag reflector, an AZO conductive thin film layer, an MgF dielectric film layer, a GaP window layer, a P-type semiconductor layer, a light emitting layer, an N-type epitaxial limiting layer, an N-type current expansion layer, a coarsening layer, a passivation layer, a GaAs contact layer and an N electrode from bottom to top. According to the LED chip and the manufacturing method thereof, reasonable design is carried out on the chip manufacturing process, a mirror surface layer, a bonding layer, back gold and other metals do not need to be evaporated for multiple times, the chip manufacturing process is shortened, the use of chip gold can be greatly reduced, and the obtained LED chip is high in brightness, good in reliability, long in service life and low in cost.

The invention provides a liquid cooling plate surface quality optimization method based on red light printing, and belongs to the field of additive manufacturing. According to the liquid cooling plate surface quality optimization method based on red light printing, when a model of a heat dissipation structure with a curved surface on a liquid cooling plate is sliced, all slice layers are divided into a plurality of intervals according to the included angles between the lower surfaces where the slice layers are located and the horizontal plane, so that the whole workpiece model is segmented into a plurality of parts; and then the multiple parts obtained through division are subjected to powder laying printing, and process parameters are given to the different parts for printing. The roughness of the surface of the liquid cooling plate can be reduced by adjusting the red light printing process parameters, and the equipment cost is saved. Besides, the surface quality of the liquid cooling plate can be stabilized at about Ra5, the use requirements of most liquid cooling plates can be met, extra post-treatment procedures are reduced or even not needed, the production cost is greatly reduced, and the production efficiency is improved.

The invention belongs to the technical field of physiological state estimation, and discloses a blood oxygen estimation method based on combination of successive variational mode decomposition and adaptive filtering, which comprises the following steps of: removing high-frequency noise and baseline drift from a collected pulse wave signal; performing successive variational mode decomposition and adaptive filtering on the pulse wave signal to remove motion artifacts; accurate peak values and valley values are extracted according to the denoised pulse waves; the R value is calculated according to the denoised pulse wave and the extracted peak value and valley value, the blood oxygen saturation degree is solved according to the R value, and the R value refers to the absorbance ratio of the red light and the infrared light in the blood. According to the blood oxygen estimation method based on the combination of the successive variational mode decomposition and the self-adaptive filtering, the effect of removing motion artifact noise of photoelectric volume pulse wave signals is achieved, multi-peak-value joint detection is used, peak values and valley values are accurately extracted, and therefore the R value is determined, the blood oxygen saturation degree is obtained, and the accuracy of blood oxygen estimation is improved. And the precision of estimating the blood oxygen saturation is greatly improved.

The invention is suitable for the technical field of inorganic luminescent materials, and provides a fluorescent powder material based on a double-perovskite structure and a preparation method and application thereof. The general chemical formula of the fluorescent powder is Ca2AlNbO6: xEu < 3 + >, wherein x is a molar fraction of 0.06 to 0.30; the excitation spectrum coverage range of the fluorescent powder under the condition of monitoring the emission wavelength of 615 nm is 260-500 nm, and the emission main peak is located at 615 nm; when x is equal to 0.18, the quantum efficiency under the excitation of 396nm ultraviolet light is greater than or equal to 91%, and the red light emission ratio is greater than or equal to 85%. According to the invention, Ca2AlNbO6 double perovskite is taken as a substrate, and a red fluorescent powder material with wide-spectrum excitation and high quantum efficiency is designed through Eu < 3 + > high-concentration doping and local symmetry regulation and control design engineering, so that the characteristics of high quantum efficiency, efficient red light emission, wide-spectrum excitation and excellent concentration quenching resistance are realized.

The invention discloses a micro display module and a preparation method thereof, and relates to the technical field of display. The at least two stacked pixel layers are bonded on the same side of the driving substrate, and a flat interface is arranged between every two adjacent pixel layers; each pixel layer comprises a micro LED array and a passivation layer located between micro LEDs, and the micro LEDs are electrically connected with the driving substrate; wherein the surface of the side, away from the driving substrate, of the pixel layer farthest from the driving substrate comprises a plurality of grooves, and color conversion layers used for converting part of light emitted by the micro LEDs into red light are arranged in the grooves. According to the technical scheme provided by the invention, the production yield of the micro display module is improved, and the problems that the preparation difficulty of a red micro LED is large and the external quantum efficiency is low are solved.

The invention relates to the technical field of light transmission, in particular to a high-return-light-resistant laser and a manufacturing method thereof.The high-return-light-resistant laser is characterized in that a red light unit and a laser unit are coupled through a red light optical fiber and a main optical fiber, the red light optical fiber is an optical fiber with the gradually-changed refractive index, and the main optical fiber is an optical fiber with the gradually-changed refractive index; the red light signal can be transmitted to the main optical fiber through the design of gradually changing the refractive index, and is transmitted in the forward direction along the laser unit; the refractive index of the red light optical fiber is set to be smaller than the refractive index of the main optical fiber, due to the fact that the refractive indexes of the red light optical fiber and the main optical fiber are different, the return light can be totally reflected at the coupling position of the main optical fiber and the red light optical fiber, and therefore the return light is effectively limited in the main optical fiber, and the return light is reversely transmitted along the main optical fiber. And the risk that the red light diode in the red light unit is damaged by the return light is reduced.

The invention provides a carbonized polymer dot with high-temperature-resistant surface activity and solid-state luminescence as well as a preparation method and application of the carbonized polymer dot. The preparation method of the carbonized polymer point with high-temperature-resistant surface activity and solid luminescence comprises the following steps: uniformly mixing a precursor, a polyether long-chain polymer, acid and water, carrying out hydrothermal reaction, and then purifying and freeze-drying to obtain the carbonized polymer point with high-temperature-resistant surface activity and solid luminescence, the precursor is rhodamine B, methyl blue, fluorescein sodium or calcein. The preparation method disclosed by the invention is simple, environment-friendly, cheap and easily available in raw materials, low in cost and high in yield; reaction conditions are easy to realize; the carbonized polymer dot prepared by the invention has both high-temperature-resistant surface activity and solid-state luminescence property, can emit high-brightness red light, has higher solid quantum yield and good biocompatibility, has the capability of serving as commercial fluorescent powder and a surfactant, and has extremely high practical application value in the fields of solid-state illumination, petroleum industry and the like.

The invention relates to the technical field of remote sensing measurement, in particular to a power transmission line tree high-risk assessment method and device based on satellite remote sensing and a medium. And based on the result and line data, calibrating a safety distance, combining terrain elevation correction, identifying the tree, calculating the height of the tree and the clearance distance of the line, comparing the clearance distance with a safety standard, dividing high, medium and low risk levels, and generating a high-risk assessment result of the power transmission line tree. According to the method, the vegetation distribution is described by extracting the spectral features of the remote sensing image, the dynamic safety interval is constructed in combination with the position of the power transmission line and the vegetation distance, the model is established by fusing terrain and crown elevation data, clearance parameters are quantitatively calculated to generate the risk level, the complex terrain adaptability and the risk point automatic identification precision are improved, and the early warning reliability is improved. And intelligence and decision-making accuracy of power transmission line inspection are promoted.

The invention discloses an InGaN red light LED device based on a variable Al component electron barrier layer to enhance a polarization effect and a preparation method thereof. The InGaN red light LED device sequentially comprises a substrate, a low-temperature buffer layer, a high-temperature buffer layer, a non-doped GaN layer, an n-type doped GaN layer, a superlattice layer and / or a low-temperature GaN layer, a quantum well active region, a p-type AlGaN electron barrier layer and a p-type region from bottom to top, wherein the atomic percentage content of Al in the p-type AlGaN electron barrier layer is 22%-30%, and the thickness of the p-type AlGaN electron barrier layer is 5 nm to 15 nm. By controlling the p-type AlGaN electron barrier layer, long-wavelength emission of the low-In-component active region can be achieved, and the problems that a high-In-component active region of an existing long-wavelength InGaN red light LED is poor in crystal quality and difficult to obtain and the like are solved.

The invention discloses an external cavity tunable laser linewidth compression system for realizing wavelength phase locking based on mutual injection of gain chips. The external cavity tunable laser linewidth compression system comprises a red light semiconductor laser main gain chip, a first collimation optical system, a blazed grating, a tuning rotating mirror, a reflector, a power supply driving system and a double-path feedback amplification system, the double-path feedback amplification system comprises a first secondary gain chip, a second secondary gain chip, a second collimation optical system, a third collimation optical system and a polarization-free beam splitter prism; and the red light semiconductor laser main gain chip, the first secondary gain chip and the second secondary gain chip are all connected with the power supply driving system. Therefore, the technical problems of low output infrared light power, poor stability and narrow mode-hopping-free tuning range in the prior art are solved, and high-power, narrow-linewidth, high-stability and large-range mode-hopping-free continuous tuning red light output can be realized.

The invention discloses an annealing temperature control method based on a differentiated ohmic contact material, and aims to solve the problems that the annealing temperature of an N-surface Au / Ge ohmic contact layer of an existing AlGaInP-based red light Micro-LED is not accurately monitored, a temperature field is not uniform and is difficult to detect, and abnormal response lags, the method comprises seven steps of processes (two times of patterning, two times of metal coating, two times of photoresist removal, annealing and observation), and the annealing temperature of the N-surface Au / Ge ohmic contact layer of the existing AlGaInP-based red light Micro-LED is controlled. Preparing a first Au / Ge ohmic contact layer (for function) and a second Au / Ge / Ni ohmic contact layer (for detection) on the N surface of the wafer; by means of the characteristic that Ni inhibits Au / Ge agglomeration, the two-layer agglomeration state difference is observed through an optical microscope, and the temperature is judged (in the normal state, the former agglomerates, and the latter does not agglomerate); the method is convenient in detection, supports batch detection, can find temperature abnormity in real time, improves the process stability, and is suitable for industrial mass production.

The invention discloses a red light Micro light emitting diode epitaxial wafer and a preparation method thereof. The epitaxial wafer comprises a GaAs substrate, an N-type layer, a multi-quantum well active layer and a P-type layer which are sequentially arranged from bottom to top, the multi-quantum well active layer comprises a plurality of AlGaInP quantum well layers and quantum barrier layers which are alternately arranged, a hole injection layer is inserted between at least part of quantum well structures, and the hole injection layer is composed of a first N-type doped sub-layer, a P-type doped sub-layer and a second N-type doped sub-layer which are connected in sequence; the materials of the three sub-layers are (Al < x > Ga < 1-x >) < 0.5 > In < 0.5 > P (x is greater than or equal to 0.5 and less than or equal to 0.9), and the doping concentration is in gradient distribution along the thickness direction. By introducing the N-P-N structure hole injection layer, the hole injection efficiency is improved, electron leakage and Mg diffusion are inhibited, and the luminous efficiency of the red light Micro LED is remarkably improved.

The invention relates to a red light therapeutic instrument real-time calibration method based on multi-modal data fusion, which comprises the following steps: firstly, collecting data such as optical power, target surface temperature, internal temperature, reflection spectrum and light source-target surface distance in a time window, and unifying time base alignment; performing anomaly elimination, de-noising and normalization on each modal data, and constructing a standardized data matrix; extracting multi-modal features through power spectral density, wavelet packet decomposition, exponential moving average and Kalman filtering, inputting the multi-modal features into a fusion network containing a modal special encoder and a cross-modal attention unit, and generating a red light treatment state vector; the driving current, the pulse width, the duty ratio, the emission angle and the aging compensation factor are solved in real time through constrained least square optimization and are issued to the driving control module, and the red light source is smoothly adjusted in a soft start mode; the system monitors the output power, calibration is completed if the output power meets a threshold value, and otherwise, the next iteration is started. According to the method, power closed-loop correction can be realized, and dose consistency and thermal safety are improved.

The invention discloses a multifunctional hair growth instrument and a control method thereof. The multifunctional hair growth instrument comprises a helmet, a red light module, a blue light module, a heating module and a sensor module, the red light module is used for emitting red light with first preset wavelength; the blue light module is used for emitting blue light with a second preset wavelength; the heating module is used for heating; the sensor module comprises an ultrasonic distance sensor and a temperature sensor; wherein the ultrasonic distance sensor is used for detecting the distance; the temperature sensor is used for detecting temperature. By the adoption of the technical scheme, the scalp microenvironment can be comprehensively improved through irradiation of red light and blue light, it can be guaranteed that the scalp is at the ideal temperature in the using period of the multifunctional hair growing instrument, and therefore the hair growing effect is improved.

The utility model relates to the technical field of light feeding devices, in particular to an eye-closed three-dimensional light feeding LED device, which is characterized in that a pupil LED chip group comprises a red light chip and a near-infrared light chip with the wavelength range of 625nm to 960nm; a pupil LED chip set, an eyelash LED chip set and a meibomian gland LED chip set are fixedly installed on the pupil aluminum substrate, and forced eye closing distance control hair is arranged on the pupil aluminum substrate. A lens aluminum substrate and an eyebrow acupoint aluminum substrate are mounted on the lens seat; the system further comprises an integrated control circuit. By using the red light chip, the optical power density comparable to that of laser and the effective irradiation area larger than that of the laser can be obtained, and the alignment precision of a light source to acupuncture points is reduced; by utilizing the blood activating function of dark red and near-infrared light, myopia, eyebrow thickening and eyelash thickening can be prevented and controlled; health care can be carried out on meibomian glands and a suspension tough system, and light stimulation can be carried out on eye protection acupuncture points; all-directional three-dimensional light feeding can be realized anytime and anywhere; the safety values under various limit conditions refer to three kinds of sunlight.