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2623 results about "Light irradiation" patented technology

Light irradiation of molecules is the most popular method for the formation of active species. Light absorption can result in either the excitation of particles or photodissociation of molecules to form atoms and radicals. Both continuous and pulse light sources are used.

Mineral separation workshop inspection method based on unmanned aerial vehicle

The invention discloses a mineral separation workshop inspection method based on an unmanned aerial vehicle, and relates to the technical field of mineral separation workshop inspection, and the method specifically comprises the following steps: when an image collected by the unmanned aerial vehicle is affected by oblique light irradiation, recognizing a region with shadow interference characteristics in the image, and uniformly dividing the region into a plurality of sub-regions; extracting image disturbance feature information of each sub-region from the image acquired by the unmanned aerial vehicle, analyzing the image disturbance feature information, and determining a shadow gray scale disturbance degree and a disturbance type of each sub-region; and according to the disturbance type of each sub-region, respectively executing a trend judgment strategy of the corresponding crack identification path, and carrying out dynamic regulation and control. According to the method, the problems of crack and shadow confusion and path judgment deviation caused by oblique light irradiation when the unmanned aerial vehicle obliquely shoots the preparation equipment are solved, classification identification and dynamic path regulation and control based on image disturbance intensity are realized, and the accuracy of crack identification, the stability of path judgment and the intelligent degree of inspection tasks are effectively improved.
Owner:SANSHANDAO GOLD MINE SHANDONG GOLD MINING LAIZHOU +1

Skin care treatment device

Disclosed is a skin care treatment device. The skin care treatment device according to an embodiment of the present invention includes: a main body; a suction header having a suction port, which comes into contact with skin, at an end portion protruding outward from the main body; a light irradiation module for irradiating the user's skin, which comes into contact with the suction port, with light that is generated when power is applied; a suction module that is provided inside the main body and applies negative pressure for raising a treatment site of the skin, which comes into contact with the suction port, to the suction port when power is applied; at least one optical sensor for sensing and measuring light that enters through an optical path formed at the end portion of the suction port which comes into contact with the skin; and a control unit electrically connected to the light irradiation module and the suction module. The control unit can selectively control the operation timing of the suction module by determining the contact state between the suction port and the skin on the basis of a measurement value detected by the optical sensor.
Owner:APR CO LTD

Machine vision light source control method and system

The invention provides a machine vision light source control method and system, and the method comprises the steps: carrying out the spatial analysis of ambient light state data of a machine vision scene, obtaining the spatial distribution information of ambient light, and determining an ambient light illumination abnormal region on the surface of a target object through combining the spatial attitude information of the target object in the machine vision scene; based on the distribution state information of the abnormal ambient light irradiation area on the surface of the target object, adjusting the supplementary lighting irradiation state of the light source, analyzing the global image of the surface of the target object, determining the bright spot distribution information of the surface of the target object, and comprehensively positioning the area range with excessively concentrated brightness generated by supplementary lighting irradiation; based on the hot spot distribution information, the irradiation light intensity distribution of the light source is dynamically adjusted, and the corresponding optimal adjustment parameters are determined, so that the light emitting state adjustment or light ray state modulation is performed on the light source, a flexible and locally adjustable supplementary lighting mode is provided for machine vision recognition, and the applicability of the machine vision light source to different scenes is improved.
Owner:东莞康视达自动化科技有限公司

Grafting method and system for reinforcing UV glue based on ultraviolet interference

The invention provides a grafting method and system for reinforcing UV glue based on ultraviolet interference, the system comprises a spraying and irradiating integrated device, a clamping mechanism and a cutting mechanism, the clamping mechanism is used for clamping a scion and a stock to be grafted and driving the scion and the stock to move close to or away from each other along a straight line; the cutting devices are arranged on the two sides of the clamping mechanism and used for cutting the scion and the stock to form an inclined cutting face used for grafting butt joint. The spraying and illuminating integrated device is arranged on the side portion of the grafting butt joint position in the middle of the clamping mechanism and used for spraying UV glue to the grafting butt joint position of the scion and the stock and conducting light irradiation on the UV glue so that the UV glue can be rapidly cured. Under the comprehensive synergistic effect of the spraying and irradiating integrated device, the clamping mechanism and the cutting mechanism, automatic shearing, butt joint, UV glue spraying and UV glue curing of grafting are achieved, and the grafting efficiency is greatly improved.
Owner:TIANJIN AGRICULTURE COLLEGE

Photobase generator, compound, photoreactive composition, and reaction product

A photobase generator includes a compound including: first skeletons represented by the following formula (a); and a second skeleton including nitrogen atoms bonding to bonding positions of the first skeletons to form amide groups, wherein, in a molecule, a number of the first skeletons is two or more, a number of the nitrogen atoms, configuring the amide groups, in the second skeleton is the same as the number of the first skeletons, and at least one of the nitrogen atoms configuring the amide groups is converted into a nitrogen atom configuring a secondary amine or a tertiary amine by light irradiation. In the formula (a), G is a divalent aromatic group, and * represents the bonding position with the nitrogen atom.
Owner:TOKYO UNIVERSITY OF SCIENCE

Perovskite thin film and preparation method thereof

The invention provides a perovskite thin film and a preparation method thereof, and belongs to the technical field of perovskite thin films, and the preparation method comprises the following steps: S1, preparing modified octa (aminophenyl trioxosilane); s2, preparing a precursor solution; and S3, spin-coating the pretreated substrate with the precursor solution, dropwise adding ethyl acetate at the same time, performing illumination treatment under ultraviolet light, and then immediately performing micro-vibration and curing annealing on the substrate to obtain the perovskite thin film. According to the perovskite thin film obtained by the invention, the purposes of synchronously increasing the open-circuit voltage and the filling factor of a solar cell, improving the photoelectric conversion efficiency and enhancing the long-term stability can be achieved.
Owner:WUXI ZHONGNENG OPTICAL STORAGE TECH CO LTD

Methods and Systems of PFAS Destruction using UV Irradiation at 222 Nanometers

ActiveUS20250019285A1Water softeningAnion exchangersIodised saltLight irradiation
Methods, systems and devices for PFAS destruction including adding a sulfite salt to an aqueous solution containing PFAS and then irradiating the aqueous solution with light at 222 nm. The method may include adding a base to the aqueous solution in an amount sufficient to raise a pH of the aqueous solution including PFAS to about 10 or more. It may also include adding a halide salt such as a bromide salt or an iodine salt, and further adding a carbonate. Greater than 90%, or greater than 99%, of the PFAS in the solution may be destroyed by irradiating the aqueous solution in this way.
Owner:CLAROS TECHNOLOGIES INC

Lightweight self-repairing concrete and preparation method thereof

The invention discloses light self-repairing concrete and a preparation method thereof, and relates to the technical field of concrete. The method comprises the following steps: firstly, efficiently packaging a calcium nitrate solution in hollow glass beads by utilizing a negative pressure impregnation technology; then growing a porous zeolite crystal coating on the surface of the microbead in situ by adopting a sol-gel method to form a self-repairing filler with a core-shell-hole gradient structure; when the concrete cracks to cause the cracking of the microbeads, the Ca < 2 + > in the cavity is quickly released, and the Ca < 2 + > adsorbed in the zeolite layer is gradually dissociated along with water permeation, so that the new microcracks are continuously repaired. Then, uniformly coating the surface and pores of the carboxymethyl cellulose hydrogel network with polydopamine in an in-situ oxidative polymerization manner to form composite hydrogel with photo-thermal responsiveness; lighting and heating to trigger dynamic coordination bond dissociation; meanwhile, heat drives rapid directional crystallization of a repair product by promoting the ion diffusion rate, and a compact mineralization layer is formed. The concrete prepared by the invention has the effects of light weight and self-repairing.
Owner:GANSU HONGWANGUI ELECTRIC POWER ENGINEERING CO LTD

Nanosecond particle velocity measurement method based on orthogonal line polarization beam splitting

The invention discloses a nanosecond particle velocity measurement method based on orthogonal line polarization beam splitting, and belongs to the technical field of particle image velocity measurement. The method comprises the following steps: providing two linear polarization state orthogonal double-pulse lasers, and respectively outputting S polarization pulse light beams and P polarization pulse light beams; the four pulse light beams are combined through the double-path laser beam combining mirror set and output to the sheet light mirror set, and a plane illumination jet flow field with the thickness smaller than or equal to 1 mm is formed; scattered light is separated according to a polarization state by using a polarization beam-splitting cubic prism, and particle images under S polarization and P polarization are respectively captured by two double-exposure cameras which are orthogonally arranged; five kinds of time sequence control are triggered through a multi-channel synchronous controller; processing the view field deviation of the two cameras by adopting a block polynomial alignment method; and calculating a particle velocity field based on a particle tracking velocity measurement algorithm. According to the invention, the polarization debugging error is reduced, the homogeneity error after beam combination is obviously reduced, the coincidence degree of the four beams of planar light is improved, and a high-precision universal alignment scheme is provided for the multi-camera PTV technology.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Photo-thermal controlled-release nitric oxide anti-biofilm hydrogel based on click reaction crosslinking as well as preparation method and application of photo-thermal controlled-release nitric oxide anti-biofilm hydrogel

The invention discloses photo-thermal controlled-release nitric oxide anti-biofilm hydrogel based on click reaction crosslinking as well as a preparation method and application of the photo-thermal controlled-release nitric oxide anti-biofilm hydrogel based on click reaction crosslinking, the hydrogel is prepared by taking azide group-containing four-arm polyethylene glycol and alkynyl modified hyaluronic acid as matrixes through click chemistry rapid crosslinking under the catalysis of copper-based nanoparticles, the antibacterial biological membrane has remarkable dual anti-biological membrane and anti-inflammatory effects, and can be applied to wound treatment of bacterial biological membrane infection; through a wound surface coating form, under near-infrared light irradiation, copper nanoparticles generate a mild photothermal effect to remove a biological membrane, and Cu < 2 + > is released to promote fibroblast proliferation; nitric oxide can be controllably released, a biological membrane is synergistically eliminated by enhancing lipid peroxidation and destroying a bacterial membrane structure, meanwhile, angiogenesis is promoted, collagen deposition is stimulated, and the wound healing process is accelerated; the invention has the functions of efficient antibiosis and tissue regeneration, and has wide clinical application prospect and development value in the field of infectious wound treatment.
Owner:CHINA PHARM UNIV

Lighting lamp with adjustable light range

The invention discloses a lighting lamp with an adjustable light range, and relates to the technical field of lighting lamps. The device comprises a driving motor, a reflecting plate, a light-emitting LED lamp, a reflecting light-gathering cover and the like. The light irradiation range is adjusted by rotating the reflecting plate, and conversion from concentrated illumination to annular scanning is achieved. The lamp is provided with an efficient heat dissipation system which comprises a temperature conduction lamp holder, heat dissipation fins and an intelligent control heat dissipation fan, and stable work of the LED lamp is guaranteed. The automatic reset mechanism enables the reflector to automatically recover to the initial position after stopping rotating, and operation is convenient and fast. The optimized air flow design improves the heat dissipation efficiency.
Owner:HAIPU ELECTRONICS (JIANGSU) CO LTD

Semiconductor Device and Method of Making Redistribution Layers with Intensive Pulsed Light Irradiation

A semiconductor device has a substrate. An electrical component is disposed over the substrate. An encapsulant is deposited over the electrical component. A conductive layer is formed over the substrate opposite the electrical component after depositing the encapsulant. The conductive layer is deposited as a plurality of graphene-coated metal balls in a matrix. The conductive layer is sintered by intensive pulsed light (IPL) irradiation.
Owner:STATS CHIPPAC LTD

Liposome wrapping L-arginine / Prussian blue nanoparticles and preparation method and application thereof

The invention provides lipidosome wrapping L-arginine / Prussian blue nano particles and a preparation method and application thereof, and belongs to the technical field of biological agents. L-arginine is deposited on hPB through iron chelation, then the lipidosome is coated to avoid leakage of water-soluble L-arginine in circulation, and thus the L-arginine / Prussian blue nano particles are obtained. The liposome coated with the L-arginine / Prussian blue nano particles is obtained. Due to the EPR effect, the hPLL-coated Lipo can be efficiently transferred and distributed into tumor tissues, heat is generated under the near-infrared light irradiation condition to ablate a large number of tumor cells, the utilization degree of the tumor cells to L-arginine is greatly limited, meanwhile, immunogenic death is induced, DAMPS is released in situ, infiltration and activation of anti-tumor T cells are further promoted, and the anti-tumor effect is achieved. The tumor immunotherapy is enhanced. And under illumination, the liposome disintegrates and releases the L-arginine, so that nutritional support is provided for immunological competence cells in competitive disadvantage, and activation of an immune microenvironment is promoted.
Owner:XIEHE HOSPITAL ATTACHED TO TONGJI MEDICAL COLLEGE HUAZHONG SCI & TECH UNIV

Microorganism mutation breeding device and application thereof

The invention belongs to the technical field of microbial mutagenesis, and particularly relates to a microbial mutagenesis breeding device and application thereof. The microorganism mutation breeding device comprises a cube structure and a transmission structure, the periphery of the cube structure is wrapped with a light-proof material, and an ultraviolet lamp is arranged in the cube structure; the transmission structure comprises a single sequencing area and a mutagenesis area, and the mutagenesis area is inserted into the cube structure through the insertion opening of the cube structure and is perpendicular to the ultraviolet lamp. Microorganisms can be singly sorted through the first horizontal spiral conveying pipeline in the single sorting area and conveyed to the second horizontal spiral conveying pipeline in the mutagenesis area, so that the time and the intensity of ultraviolet irradiation of the microorganisms are uniform, the mutagenesis fatality rate of the microorganisms is remarkably reduced, the forward mutation rate is remarkably increased, and the mutagenesis rate of the microorganisms is remarkably increased. Operation is simple, workload is small, and period is short. In addition, the microorganisms are treated by using a protective agent with specific composition before single sequencing, so that the mutation uniformity and the forward mutation rate can be further improved.
Owner:ZHUCHENG DONGXIAO BIOTECH CO LTD +1

Preparation method for selectively oxidizing thioether into sulfoxide through photo-initiation

PendingCN121159349ASulfonyl/sulfinyl group formation/introductionOrganic compound preparationAir atmospherePtru catalyst
The invention discloses a preparation method for selectively oxidizing thioether into sulfoxide through photo-initiation, and belongs to the field of synthesis of medical compounds. The preparation method comprises the following steps that in the air atmosphere, a thioether compound is dissolved in an acetonitrile-water mixed solvent, inorganic metal salt catalysts such as ferric chloride and copper sulfate are added, the mixture reacts for 8-48 h at the temperature of 0-45 DEG C under illumination with the wavelength of 295-405 nm, selective oxidation is carried out, and the sulfoxide product is obtained, and the molar ratio of thioether to the catalysts is 5: 1. The method overcomes the problems of excessive oxidation risk, complicated operation, environmental pollution and the like caused by dependence of a noble metal catalyst and use of a strong oxidant in the existing thioether oxidation method, has the advantages of high catalytic efficiency, high yield and excellent selectivity, can greatly reduce the production cost, is suitable for later industrial synthesis and amplification, and has wide application prospects. The method has the advantages of no expensive metal catalyst or oxidant, simple preparation process, high efficiency, environmental protection, safety and cost saving.
Owner:SHANDONG FIRST MEDICAL UNIV & SHANDONG ACADEMY OF MEDICAL SCI

High-reliability PbS quantum dot film, preparation method thereof and photoelectric device

The invention discloses a high-reliability PbS quantum dot film, a preparation method thereof and a photoelectric device. The preparation method comprises the following steps: 1) obtaining a first quantum dot solution; 2) adding medium-chain and long-chain amine; 3) adding an anti-solvent; 4) obtaining medium-chain and long-chain amine modified PbS quantum dot solids; 5) obtaining a second quantum dot solution; (6) forming a PbS quantum dot coating; 7) forming a mercaptan solution; 8) coating the PbS quantum dot coating with a mercaptan solution; (9) annealing treatment; 10) forming a new PbS quantum dot coating, and coating the new PbS quantum dot coating with a mercaptan solution; according to the PbS quantum dot thin film and the preparation method thereof, through the induction and synergistic effect of halogen atoms, the binding capacity of halogenated mercaptan ligands and the surface of the PbS quantum dot thin film is enhanced, the surface defect state of the PbS quantum dots is effectively inhibited, and the reliability of the PbS quantum dot thin film and a photoelectric device under the conditions of high temperature, high humidity and long-time illumination is remarkably improved.
Owner:WENZHOU YINGRUI INFRARED TECH CO LTD

Dithienylethene-based transmission membrane and preparation method thereof

The invention relates to the technical field of transmission membranes, in particular to a transmission membrane based on dithienylethene and a preparation method of the transmission membrane. The transmission film comprises a base film and light-operated molecules, the base film is coated with the light-operated molecules, and the light-operated molecules have light response groups. A detection result shows that after ultraviolet irradiation, the transmission film can quickly realize complete conversion from an open loop to a closed loop; after visible light irradiation is recovered, the transmission film can efficiently and reversibly recover to an open-loop state. In addition, the transport membrane has a high on-off ratio to five ions of sodium, potassium, lithium, magnesium and calcium. The transmission membrane based on dithienylethene, which is prepared by taking terminal amino-modified dithienylethene as a basic unit, not only has abundant nano-channels, but also is endowed with the characteristic of regulating and controlling the opening and closing of the nano-pore by a photoresponse functional group, and the closing and opening of an ion channel can be accurately regulated and controlled through the alternate irradiation of ultraviolet light and visible light, so that the transmission membrane has a good application prospect. And the controllability of light-operated ion transmission is finally realized.
Owner:TIANJIN POLYTECHNIC UNIV

Method and device for quantitatively detecting active microorganisms in solid / semi-solid sample

The invention discloses a method and a device for quantitatively detecting active microorganisms in a solid / semi-solid sample, and belongs to the field of microorganism detection. According to the method, detection is carried out based on a PMA-qPCR method, influence factors of the stability of an experimental result are analyzed, and a stability analysis model is constructed; the stability analysis model is shown in the specification; wherein S is a comprehensive stability score, and the higher the S value is, the better the stability of the experiment result is; the weight coefficient is the weight coefficient of the ith influence factor; the performance function is the performance function of the ith influence factor; the influence factors comprise sample suspension dilution ratio, PMA dye concentration, dye incubation time, blue light irradiation time, blue light irradiation area and impurity particle size. The method can be used for simultaneously detecting the activity of various microorganisms in a solid / semi-solid sample, the accuracy is high, the experimental period is short, and the quantitative result has important guiding significance.
Owner:QINGDAO SINGLE CELL BIOTECH CO LTD

Method for degrading polystyrene plastic and upgrading and recycling polystyrene plastic into benzoic acid based on nano MnO2 photocatalysis ozonation

The invention discloses a method for degrading polystyrene (PS) plastic and upgrading and recycling the PS plastic into benzoic acid based on nano MnO2 photocatalytic ozonation, and belongs to the technical field of solid waste recycling. The method comprises the following steps: firstly, mixing PS plastic fragments with nano MnO2 and an organic solvent, then simultaneously introducing ozone into a reaction system at normal temperature and normal pressure, and irradiating with light. Through synergistic catalysis of light and ozone, molecular chains of the PS plastic can be efficiently and selectively broken and oxidized, and finally the PS plastic is directionally converted into benzoic acid with high additional value. After the reaction is finished, a benzoic acid product can be obtained through simple separation, concentration and purification steps. The method provided by the invention realizes high-valued recycling of the waste PS plastic under mild conditions, solves the problems of high energy consumption, complex products, easy generation of secondary pollution and the like in a traditional treatment method, and has the outstanding advantages of green process, efficient reaction, high product value and the like.
Owner:GUANGDONG UNIV OF PETROCHEMICAL TECH

Hydroxyl-rich ruthenium / titanium dioxide catalyst as well as preparation method and application thereof

The invention discloses a hydroxyl-rich ruthenium / titanium dioxide catalyst as well as a preparation method and application thereof, and the preparation method comprises the following steps: step 1, loading a ruthenium precursor on a titanium dioxide carrier by adopting an impregnation method or a deposition-precipitation method, and drying and calcining to obtain a Ru / TiO2 catalyst; and step 2, placing the Ru / TiO2 catalyst in an atmosphere environment containing water vapor or forming a physical adsorption water film on the surface of the Ru / TiO2 catalyst, and performing ultraviolet irradiation treatment to obtain the Ru / TiO2 catalyst. According to the method, water is physically adsorbed through ultraviolet light dissociation, hydroxyl is directly generated on the surface of Ru / TiO2 in an in-situ mode, the method is easy to operate, complex liquid phase treatment is not needed, and the stability of the generated hydroxyl under the subsequent high-temperature gas-solid phase hydrogen-rich reaction condition is obviously superior to that of hydroxyl introduced through a traditional method. The stable hydroxyl enriched on the surface serves as an effective Lewis base site and cooperates with a Ru active site, adsorption and activation of CO2 molecules are remarkably promoted, and therefore the catalytic activity of the CO2 methanation reaction is greatly improved.
Owner:QUZHOU RES INST OF ZHEJIANG UNIV

Modified asphalt and preparation process thereof

The invention discloses modified asphalt and a preparation process thereof, and belongs to the technical field of road materials. The modified asphalt is prepared from 80-90 parts of matrix asphalt, 4-8 parts of butadiene styrene rubber, 2-5 parts of nano montmorillonite, 1.5-3 parts of core-shell structure nanoparticles (the core is SiO2 grafted with-SO3H, the middle layer is thermo-sensitive PNIPAM containing a photoinitiator, and the shell is GO grafted with a hindered phenol antioxidant group and a photosensitive coumarin group), 1-3 parts of a compatilizer, 3-6 parts of a plasticizer and 0.3-0.8 part of an antioxidant. The preparation process comprises the following steps: pretreating the modifier master batch, performing melt blending, performing high-speed shearing, performing ultrasonic dispersion, cooling, discharging and the like. The light response crosslinking mechanism is utilized, crosslinking is achieved under illumination through the light response characteristic of the core-shell structure nanoparticles, the high-temperature stability, the anti-aging performance and the fatigue life of the modified asphalt are remarkably improved, and the modified asphalt is suitable for the fields of high-grade road construction and the like.
Owner:ZHEJIANG SCI RES INST OF TRANSPORT

New method for synthesizing high-viscosity salt-tolerant sodium polyacrylate thickening agent and preparation of three-in-one thickening agent

The invention belongs to the field of high polymer materials, and particularly discloses a novel method for synthesizing a high-viscosity salt-tolerant sodium polyacrylate thickener and preparation of a three-in-one thickener, and the novel method comprises the following steps: weighing a certain amount of acrylic acid without a polymerization inhibitor, adding a certain amount of pure water, neutralizing with a NaOH solution with a certain concentration, slowly dropwise adding into the NaOH solution, and reacting at the temperature of 50-60 DEG C for 2-3 hours to obtain the high-viscosity salt-tolerant sodium polyacrylate thickener. The preparation method comprises the following steps: adding sodium acrylate into a sodium acrylate solution, keeping the temperature to be less than 40 DEG C, preparing a sodium acrylate neutralization solution with the neutralization degree of 80% and the solid content of 20-45%, and polymerizing under ultraviolet irradiation by using sodium sulfite (Na2SO3) and utilizing a UV photocuring technology, thereby obtaining the high-viscosity salt-tolerant sodium polyacrylate thickener. On the basis, the three-in-one thickening agent with high viscosity, salt resistance and moisturizing functions is further prepared, and wider application of the sodium polyacrylate thickening agent is developed.
Owner:JIANGMEN XINHUI DISTRICT ZHONGSHENG BIOTECHNOLOGY CO LTD

Face recognition method based on multi-modal fusion

The invention discloses a face recognition method based on multi-modal fusion, and belongs to the technical field of face recognition, in the face recognition method, when visual information is lost due to face partial shielding or strong light irradiation, emotion features in voice signals can automatically compensate for the deficiency of visual information. For example, in a video call scene, when a user shields a chin area with a hand, the system can still accurately recognize anxiety emotion by analyzing intonation trembling characteristics in voice and combining muscle movement of an unshielded eyebrow and eye area, and misjudgment caused by local information loss is avoided. Meanwhile, under the condition that noisy background sound interferes voice, the model can effectively filter interference of voice noise and maintain accuracy of emotion judgment by capturing continuous duration and intensity changes of facial micro-expressions, such as slight twitching of mouth corners lasting for more than 3 seconds.
Owner:HEFEI LINGYAN TECH CO LTD

Mini LED packaging test method and test equipment

ActiveCN120275357AColor/spectral properties measurementsFluorescence/phosphorescenceSurface plasmon resonance spectroscopyFluorescence
The invention discloses a Mini LED package test method and test equipment. The method comprises the following steps: performing light irradiation on Mini LED package by using a reverse light path tracking technology to obtain an interference pattern and determine a function sensitive area; injecting a quantum dot fluorescent marker into the functional sensitive area to carry out multispectral dynamic monitoring; performing surface plasma resonance spectrum scanning on the functional sensitive area to obtain surface plasma resonance response data; performing an acoustic stimulation test on the functional sensitive area according to the obtained data to obtain acoustic response data; and performing a compensation test by using the nonlinear optical material layer to obtain performance attenuation prediction data. According to the technical scheme, accurate detection and performance prediction of the miniature optical structure in Mini LED packaging are achieved, and potential early failure symptoms can be effectively recognized.
Owner:SHENZHEN TONGXING HIGH TECHINDUTION EQUIP CO LTD

Photoswitch protein functioning under irradiation of long-wavelength light

The present invention addresses the problem of providing an improved RpBphP1 mutant and an improved RpPpsR2 mutant in such a manner that the binding and dissociation can be reliably controlled by light irradiation and shielding of near-infrared light. More specifically, the present invention is a proteome comprising two types of proteins that bind to each other under irradiation of near-infrared light, the proteome being a group of RpBphP1 mutants and wild-type RpPpsR2, a group of wild-type RpBphP1 mutants and RpPpsR2 mutants, or a group of RpBphP1 mutants and RpPpsR2 mutants, the binding of the proteome being greater than that of the wild-type RpBphP1 mutants and that of the wild-type RpPpsR2, and the binding of the proteome being less than that of the wild-type RpBphP1 mutants and that of the wild-type RpPpsR2. The binding in a dark place is weak and / or the binding under the irradiation of near-infrared light is strong.
Owner:THE UNIV OF TOKYO +1

Optical communication device, optical communication system and light radiation element

To facilitate axis matching of signal light to be communicated in a bidirectional manner.SOLUTION: A first optical communication device 10 comprises: a light radiation element 11 which radiates transmission signal light (first communication light L1) toward a second optical communication device 20 of a communication target; a lens 12 on which reception signal light (second communication light L2) from the second optical communication device 20 of the communication target is incident; and a light-receiving element 13 which receives the reception signal light that is condensed by the lens 12. A through hole 12a is provided in the lens 12. The light radiation element 11 is disposed on a virtual line L0 along the through hole 12a so as to perform the radiation while making an axis of the transmission signal light parallel with an optical axis Op of the lens 12 in such a manner that the lens 12 is not irradiated with the transmission signal light, and the light-receiving element 13 is disposed at a position where the reception signal light condensed by the lens 12 can be received in a case where an axis of a center of the transmission signal light radiated from the light radiation element 11 overlaps an axis of a center of the reception signal light incident on the lens 12.SELECTED DRAWING: Figure 1
Owner:KYOCERA CORP

A method for increasing the content and molecular weight of aloe polysaccharides in aloe

The present invention relates to a method for increasing the content and molecular weight of aloe polysaccharides in aloe vera. The method comprises the following steps: firstly removing the blank part of the tip and tail of the aloe vera, retaining the aloe vera leaves, and cultivating the leaves with pure water; peeling and beating the aloe vera leaves to obtain aloe vera gel; placing the obtained aloe vera gel in a light irradiation reaction tank; setting an agitator at the tank mouth of the light irradiation reaction tank; placing a color-adjustable LED lamp above the light irradiation reaction tank, and subjecting the aloe vera gel to alternating light treatments of blue light, red light, and no light. The present invention successfully increases the content and molecular weight of aloe polysaccharides in aloe vera gel by using an external field such as a red and blue alternating light field. In addition, the application of appropriate light regulation can simulate the natural system and produce biological macromolecules (such as polysaccharides) by controlling the polymerization reaction through the external field. Since the high molecular weight and content of aloe polysaccharides are crucial to the biological activity of aloe polysaccharides, the present invention is of great significance to the development of the medicinal value of aloe polysaccharide products.
Owner:广州市东源药业科技有限公司 +1

Super-hydrophobic antibacterial fabric with photothermal effect and preparation method

The invention discloses a preparation method of a super-hydrophobic antibacterial fabric with a photothermal effect, which comprises the following steps: firstly, loading a photothermal preparation on the surface of the fabric to endow the fabric with photothermal performance, and then introducing a composite coating formed by hydrophobic silicon dioxide nanoparticles and a silane coupling agent with an alkane chain, the surface energy of the material is reduced, a micro-nano coarse structure is constructed, and the antibacterial fabric with excellent photo-thermal and super-hydrophobic properties is prepared; the surface water contact angle of the prepared super-hydrophobic antibacterial fabric is 158 degrees, the surface temperature reaches 120 DEG C under the irradiation of near-infrared light, and the super-hydrophobic antibacterial fabric shows excellent photo-thermal cycling stability and super-hydrophobic high-temperature resistance; the antibacterial rate of the super-hydrophobic antibacterial fabric exceeds 99.0% under the synergistic effect of passive super-hydrophobic antibacterial adhesion and active photo-thermal sterilization, and the super-hydrophobic antibacterial fabric is wide in antibacterial range and long in antibacterial life.
Owner:GUANGDONG MEDICAL UNIV

Thermal detection system and chiral substance identification method

The invention discloses a thermal detection system and a chiral substance identification method, and relates to the technical field of micro-nano optics, the thermal detection system and the chiral substance identification method, based on the structure of the thermal detection system and the steps of the chiral substance identification method, a chiral substance to be detected is configured into a corresponding solution to be detected; a solution to be detected is sampled and placed in the absorber, the surface plasmon effect generated when the metal resonance layer receives chiral light irradiation is utilized, a corresponding thermal signal is output, then the thermal signal is captured and analyzed through the thermal detection system, and high-precision identification of chiral substances is achieved. Compared with a traditional circular dichroism and circular polarization fluorescence spectrophotometer device, the technical scheme provided by the invention is simple in structure, convenient to operate and relatively low in requirements on the concentration and the volume of a detected sample.
Owner:TIANFU JIANGXI LAB

Entangled light quantum three-dimensional color imaging method based on photon flight time

The invention provides an entangled light quantum three-dimensional color imaging method based on photon flight time. The method comprises the following steps: firstly, irradiating pump light to a periodically poled potassium titanyl phosphate crystal, and generating a spontaneous parametric down-conversion process to obtain entangled photon pairs; then, photon arrival time pulse sequences of the signal light path and the reference light path are collected through a single photon detector; secondly, calculating the flight time difference of the signal light and the reference light at each pixel point through coincidence measurement to obtain the distance between the corresponding position and the light source; thirdly, estimating the target reflectivity according to the probability density function of coincidence counting of the two paths of photons; and finally, realizing quantum three-dimensional color imaging according to the distance information of the corresponding position of each pixel point and the target reflectivity.
Owner:CHONGQING UNIV OF POSTS & TELECOMM