1184 results about "Luminous intensity" patented technology

The invention provides a cooperative control method and system for a distributed intelligent lamp network, and the method comprises the steps: obtaining the real-time operation state data of each lamp in the intelligent lamp network, recognizing the failure position of the lamp, generating a fault node coordinate according to the failure position of the lamp, and obtaining the distribution information of the failure lamp; extracting spatial position data and current illumination parameters of surrounding lamps according to the distribution information of the failed lamps, calculating an illumination dead angle range and a local illumination decline region by adopting a geometric algorithm, and determining an affected light environment region range; acquiring communication time delay and response rate between the lamps, and if the communication time delay exceeds a preset time delay threshold, reducing the adjustment frequency and reallocating the compensation task to obtain an optimized cooperative compensation scheme; and extracting residual range data of the illumination dead angle according to the adjusted illumination distribution result, carrying out secondary adjustment on the illumination angle and the luminous intensity through an iterative algorithm, and determining a light environment continuity parameter after the illumination dead angle is eliminated.

The invention discloses an automatic illumination adjusting method and system for an agricultural greenhouse, a medium and a product, and relates to the field of seed and seedling cultivation, the method comprises the following steps: obtaining image data of target seedlings in a seedling raising area, and determining seedling height data and leaf density distribution of the target seedlings according to the image data; determining initial illumination intensity and illumination distribution data of the seedling raising area according to the image data and the illumination parameters of the seedling raising area; when the initial illumination intensity is lower than a preset light intensity lower limit, determining a target adjustment angle of the light supplementing plate based on the seedling height data, the leaf density distribution and the illumination distribution data; adjusting the inclination angle of the light supplementing plate to a target adjusting angle, and obtaining the corrected illumination intensity of the seedling raising area in real time; and when the corrected illumination intensity is lower than the preset light intensity lower limit, adjusting the luminous intensity of the LED light source until the corrected illumination intensity is not lower than the preset light intensity lower limit. According to the invention, energy loss of agricultural greenhouse light supplement can be saved.

The invention discloses a dimming method of a multifunctional mining lamp and related equipment. The method comprises the following steps: obtaining original illumination data and generating a panoramic illumination distribution diagram by sequentially lightening and controlling LEDs; performing polar coordinate system conversion and partition extraction on the illumination distribution diagram to obtain light spot deformation characteristics and brightness fluctuation characteristics, and calculating illumination transition continuity parameters; calculating an LED influence degree weight value according to a time sequence change rule of the feature data, and performing partition clustering; calculating a compensation parameter based on the initial parameter of the LED in each partition and generating a compensation sequence; and carrying out grading adjustment and dynamic correction on the LED according to the compensation sequence. According to the technical scheme, the mapping relation between the magnetic field interference and the LED luminous intensity fluctuation is established by analyzing the light spot distribution characteristics of the working plane, the spatial distribution characteristics of the annular LED array are combined, the partition dynamic compensation strategy is adopted, the problem of uneven illumination of the LED mining lamp in the high-intensity magnetic field environment is effectively solved, and the working efficiency is improved. And the lighting effect and the monitoring quality of an industrial site are improved.

The present invention relates to the technical field of molecular interaction analysis, and specifically provides a method for analyzing intermolecular interactions. The method comprises the following steps: using a rare earth material with a ligand molecule modified on its surface as an upconversion material, contacting the upconversion material with a target molecule in a solution system, irradiating the solution system with excitation light that matches the rare earth material, and continuously changing the intensity of the excitation light actually received by the upconversion material as the target molecule continuously binds and dissociates with the ligand molecule of the upconversion material in a dynamic process, thereby changing the intensity of the emitted light. By recording the curve of the emission light intensity changing with time, the molecular interaction kinetic constants, such as the binding rate constant (K on ), dissociation rate constant (K off ) and affinity (K D ), etc., which solves the technical problems of low accuracy of existing BLI technology and high cost of SPR technology. Based on the above principles, the present invention has also developed a series of experimental consumables, kits, sensors and analytical devices for molecular interaction analysis.

To prevent a motivation for filming a video from decreasing.SOLUTION: A pachinko game machine includes, as executable performances, a specific performance including emitting light of a specific color, and a prior performance giving a suggestion or notification of emitting light of the specific color. Based on an operation of a performance button after a start of the prior performance, a specific setting can be set in which a light emission intensity of the specific color in the specific performance is lower than that in a reference setting, or the specific color is not emitted in the specific performance.SELECTED DRAWING: Figure 9

The invention provides a light emitting diode with improved color purity and a preparation method thereof, and belongs to the technical field of photoelectron manufacturing. The light-emitting diode comprises a first semiconductor layer, a first light-emitting layer, a second light-emitting layer and a second semiconductor layer which are sequentially stacked, the first light-emitting layer is a green light-emitting layer, the second light-emitting layer is a blue light-emitting layer, and the ratio of the light-emitting intensity of the first light-emitting layer to the light-emitting intensity of the second light-emitting layer ranges from 2: 10 to 4.8: 10. According to the embodiment of the invention, the color gamut value of the light-emitting diode can be improved, the color purity of the light-emitting diode can be improved, and the light-emitting effect is improved.

The invention relates to a method for improving luminous intensity of a plant by introducing an exogenous caffeic acid synthesis pathway. A TAL gene and a P450 gene are introduced into a plant body to obtain a remarkable effect of increasing the expression quantity of caffeic acid. Due to the fact that introduction of the TAL gene and the P450 gene promotes deamination of the L-DOPA, the accumulation amount of the L-DOPA is increased, and then the expression amount of caffeic acid in the plant is effectively increased. Based on the pathway, the synthesis of fluorescein in the plant is increased, so that the luminous intensity of the plant is enhanced.

To prevent a motivation for filming a video from decreasing.SOLUTION: A pachinko game machine includes, as executable performances, a specific performance including emitting light of a specific color, and a prior performance giving a suggestion or notification of emitting light of the specific color. Based on an operation of a performance button after a start of the prior performance, a specific setting can be set in which a light emission intensity of the specific color in the specific performance is lower than that in a reference setting, or the specific color is not emitted in the specific performance. A warning can be given before the start of the prior performance.SELECTED DRAWING: Figure 9

The invention discloses a flexible force-induced luminescence microstructure optical waveguide and a preparation method thereof. The flexible mechanoluminescence microstructure optical waveguide comprises an inner-layer fiber core, n mechanoluminescence composite blocks tightly attached to the inner-layer fiber core, a wrapping layer wrapping the inner-layer fiber core and the n mechanoluminescence composite blocks, and a protection layer coating the surface of the wrapping layer. The n mechanoluminescence composite blocks generate fluorescence signals with different colors under the action of external stress, the fluorescence signals are collected through the inner-layer fiber core and the cladding of the optical waveguide and are transmitted to a far end along the inner-layer fiber core to be detected and demodulated, the sensing section corresponding to stress is determined through the demodulated color, and the corresponding stress is determined through the luminous intensity. The composite material is good in biocompatibility, integrates sensing and transmission functions, and can be used in human body wearable equipment. According to the preparation method, different structures can be prepared in the optical waveguide layer by layer in a mode of customizing different molds, and different purposes are met by integrating different materials.

The embodiment of the invention discloses a defect compensation method and device for a display panel, electronic equipment and a storage medium. According to the method, compensation data corresponding to a defect category is acquired in response to the defect category of the display panel under at least one luminous intensity, the compensation data comprises a plurality of compensation parameters, each compensation parameter corresponds to one luminous intensity, and the plurality of compensation parameters are written into the display panel. The Mura compensation method and the Mura compensation device are used for performing defect compensation on the display panel under different luminous intensities, so that the brightness of the display panel can be quickly adjusted, the brightness of the display panel under different luminous intensities is more uniform, and the accuracy of Mura compensation is improved while the display effect of the display panel is improved.

The present application discloses a detection kit of KL-6 protein on exosomes for auxiliary diagnosis of interstitial lung diseases. A detection method includes: after pretreating the exosome sample with a sample treatment solution, exosomes containing KL-6 protein in the sample react with a coated magnetic bead working solution and a luminescent marker-labeled antibody working solution to form an immunocomplex, and a luminous intensity is detected by using a chemiluminescence method and a concentration value is calculated. The application provides, for the first time, a method for diagnosing interstitial pneumonia using a combination of KL-6 and CA125 proteins on exosomes extracted from blood, or using KL-6 alone.

To prevent a motivation for filming a video from decreasing.SOLUTION: A pachinko game machine includes, as executable performances, a specific performance including emitting light of a specific color, and a prior performance giving a suggestion or notification of emitting light of the specific color. Based on an operation of a performance button after a start of the prior performance, a specific setting can be set in which a light emission intensity of the specific color in the specific performance is lower than that in a reference setting, or the specific color is not emitted in the specific performance. The specific performance has a privilege expectation degree higher than that in the case of no execution of the specific performance.SELECTED DRAWING: Figure 9

The invention relates to a method and device for detecting expansion force distribution of a battery and a battery cell clamp adjusting method, and the method comprises the following steps: clamping a to-be-detected battery cell by using two clamping plates prepared in advance, and enabling the two clamping plates to apply clamping force to the battery cell by using a locking part between the two clamping plates, the clamping plate is prepared by mixing a mechanoluminescent material and a transparent epoxy resin material according to a set mass ratio; according to the detection method, the luminous intensity of the multiple areas divided by the clamping plate part corresponding to the battery cell is tested, the battery cell expansion force distribution condition is obtained through the luminous intensity test result, the detection efficiency is improved by adopting the detection method, and the detection time consumption is reduced.

The invention provides a preparation method of rare earth ion heavily-doped luminescent glass and application of a light source. The rare earth ion heavily-doped luminescent glass comprises the following components in percentage by mass: 50-68% of black talcum powder, 10-25% of LiF, 10-25% of NaF, 10-25% of CaF2, an externally-doped rare earth compound accounting for 15-25% of the total mass of other raw materials (black talcum powder + LiF + NaF + CaF2), and an externally-doped clarifying agent accounting for 0.5-2% of the total mass of other raw materials (black talcum powder + LiF + NaF + CaF2). The preparation raw materials of the luminescent glass are easy to obtain and low in price, the process is simple, and industrial production is easy; the emission peak of the obtained rare earth doped luminescent glass under the excitation of purple light / ultraviolet light is 450-750 nm, the internal quantum efficiency is greater than or equal to 85%, and the luminous intensity at 150 DEG C is more than 85% of the luminous intensity at room temperature. A light source packaged by the prepared luminescent glass has the characteristics of warm white light output, low color temperature (CCTlt, 4500K), high color rendering index (CRIGt, 90) and high lumen efficiency (LEgt, 851m / W).

A lens element intended to be worn in front of an eye of a wearer, the lens element being adapted to provide a prescribed dioptric correction function in a prescription plane, the lens element including an arrangement of microoptical elements. When receiving a collimated beam of monochromatic light, the lens element is configured to produce a primary luminous intensity maximum in a prescription plane, and the arrangement of microoptical elements is configured to produce at least one first secondary luminous intensity maximum at a first proximity difference from the prescription plane and at least one second secondary luminous intensity maximum at a second proximity difference from the prescription plane, the first proximity difference and the second proximity difference having opposite signs.

The invention discloses a temperature sensing material based on dual-mode thermal response up-conversion luminescence and a preparation method and application thereof, and belongs to the technical field of optical temperature sensing. The chemical formula of the material is Bi (4-y) Ti (0.5) M (0.5) O8X: REy, wherein M is W or Mo, X is Cl or Br, RE is Er or Yb / Er, and a hydrothermal-molten salt method series synthesis strategy is adopted for preparation. Different from a traditional thermal quenching material, according to the dual-mode thermal response up-conversion luminescence temperature sensing material Bi4Ti0. 5M0. 5O8X, visible light is weakened along with temperature rise, and meanwhile 800 nm near-infrared luminescence is enhanced. By utilizing the characteristic that the up-conversion luminescence intensity has opposite response to temperature change, the up-conversion temperature sensing material disclosed by the invention has relatively high optical temperature sensitivity in a fluorescence intensity mode and a fluorescence lifetime mode, and is an optical temperature sensing material with a wide temperature measurement range, which can be used for high-temperature environment detection; the method has great application potential in the field of optical temperature sensing.

The invention belongs to the technical field of light-emitting materials, and particularly relates to a near-infrared light-emitting ytterbium-doped quantum dot material and a preparation method and application thereof. According to the preparation method of the near-infrared light-emitting ytterbium-doped quantum dot material, a Yb-doped perovskite quantum dot synthesis method which is high in near-infrared light-emitting intensity, good in stability and simple in preparation is innovatively provided, short-chain amine is used in the preparation process, and the near-infrared light-emitting ytterbium-doped quantum dot material has high reaction activity, small steric hindrance and high near-infrared light-emitting efficiency. The complex ability with precursor raw materials is low, chemical bonds between halogen and metal ions are easy to open in the reaction process, and the complex is matched with long-chain amine (such as oleylamine and the like) in a perovskite quantum dot system prepared by a conventional injection method, so that doping of rare earth Yb ions is facilitated, the Yb ions smoothly enter perovskite crystal lattices, and the perovskite quantum dot is prepared. The near-infrared luminous intensity of the material is improved.

The invention belongs to the field of electrochemical sensing, and particularly relates to construction and application of an electrochemical luminescence sensor for detecting the content of N-nitrosodimethylamine with high sensitivity. The Cas12a enzyme improves the specificity and realizes signal amplification through the recognition mechanism and trans-cleavage capability of the Cas12a enzyme. The ATT-AuNCs is used as an efficient electrochemical luminescence emitter, so that the transition of a signal is promoted. After a sample is added, the Cas12a-crRNA compound can specifically recognize a DNA activator to trigger cutting of non-specific DNA which is modified on a glassy carbon electrode and is marked by ferrocene, so that the electrochemical luminescence intensity is increased. The NDMA in the sample can be detected through the method, so that the content of nitrosamine in food can be detected. The CRISPR / Cas12a is combined with an electrochemical luminescence technology, so that a sensitive and rapid NDMA detection means is provided, and a new idea is provided for detecting the content of cancerogenic substances in various foods.

The invention relates to a structured light projection device and a 3D measurement system. The projection device includes a display section and a projection section. The display portion includes a plurality of light emitting units arrayed in a first direction. The display part forms a to-be-projected image with periodic light intensity change in the first direction by regulating and controlling the light intensity of each light-emitting unit. The projection section is located on the front side of the display section in the second direction. The projection portion is configured to project an image to be projected into a sine fringe image. The second direction is perpendicular to the first direction. Compared with the prior art, the projection device only needs one display part, a mask (or a grating) does not need to be arranged, the structure of the projection device is greatly simplified, and the size of the projection device is reduced.

A headlamp for a car has a main-beam module and a dipped-beam module. The main-beam module comprises a primary light source and a primary optical element comprising a primary receiving surface and a primary emitting surface which provide the main-beam function. This module includes a secondary light source. The primary optical element comprises a secondary receiving surface and a secondary emitting surface. The secondary emitting surface is formed by refracted surfaces. The luminous intensity of the secondary light source is significantly lower than that of the primary light source. The secondary light source is lit simultaneously with the dipped-beam module and the light from the secondary light source is incident closer to the car than the light from the primary light source.

The invention provides an NIR-IIb / c rare earth nanoparticle fluorescent probe as well as a preparation method and application thereof. The fluorescent probe sequentially comprises a core, an active shell and an inert shell from inside to outside, wherein the core comprises Tm < 3 + > ions and Er < 3 + > ions, and the active shell comprises Er < 3 + > ions, Yb < 3 + > ions and Ce < 3 + > ions. The fluorescent probe provided by the invention has an efficient energy transfer system, not only has bright luminescence in an NIR-IIb wave band (1500-1700 nm), but also has luminous intensity increased by dozens of times in an NIR-IIc wave band (1700-1900 nm) compared with that of a traditional probe. The hydrophilic modification method of the probe is also improved, and the biocompatibility of the probe is improved by a multi-layer polymer cross coating method, so that the probe still has good luminescence property in an organism, and the penetration depth and resolution of biological tissues during imaging are improved.

The invention discloses a method for testing short-circuit current of a solar cell. The method comprises the following steps: acquiring a first corresponding relation between the photoluminescence intensity of a standard cell under standard illumination intensity and the electroluminescence intensity of the standard cell under open-circuit voltage; providing a battery piece to be tested; irradiating partial areas of the first surface of the to-be-measured battery piece through a plurality of light sources with different wavelengths, and measuring to obtain bright area luminous intensity of a light receiving area and dark area luminous intensity of a non-light receiving area under the irradiation of the light sources with different wavelengths; according to the first corresponding relation and the luminous intensity of each bright area, obtaining basic electroluminescence intensity corresponding to the luminous intensity of each bright area; obtaining the equivalent external quantum efficiency under the irradiation of each wavelength light source according to the basic electroluminescence intensity and the dark space luminescence intensity corresponding to each wavelength light source; constructing a wavelength-equivalent external quantum efficiency curve; carrying out integral calculation on the wavelength-equivalent external quantum efficiency curve to obtain short-circuit current density, and calculating the short-circuit current of the battery piece to be measured according to the area of the first surface.

The invention discloses NnLuz and NnH3H protein mutants and an application of the NnLuz and NnH3H protein mutants in enhancing the bioluminescence intensity of fungi or plants. According to the method disclosed by the invention, core enzymes NnLuz and NnH3H in a fungus bioluminescence pathway are optimized through rational design, and the catalytic efficiency and the luminous intensity of a bioluminescence system are remarkably improved. Experiments prove that 1) the luminous intensity of the NnLuz [delta] N19v2 (I103T / L167K double mutant) in yeast and plants is remarkably superior to that of a reported NnLuzv4 mutant and is 3-4 times that of the reported NnLuzv4 mutant, 2) the catalytic efficiency of the NnH3Hv3 (K307T mutant) is improved by more than 2 times, the luminous stability is remarkably enhanced, and 3) when the NnLuz [delta] N19v2 and the NnH3Hv3 are cooperatively expressed, the luminous intensity of the system reaches the optimal level, and the self-luminous plant with remarkably enhanced luminescence is created.

The invention provides a double-frequency excitation red fluorescence up-conversion nano material and a preparation method thereof, the up-conversion luminescent material comprises a luminescent core and an inert shell coating the luminescent core, the chemical formula of the luminescent core is beta-NaYF4: 2% Er < 3 + >, 60% Yb < 3 + >; the chemical formula of the inert shell is beta-NaYF4. Therefore, the material with the core-shell structure can emit red upconversion fluorescence under the common excitation of near-infrared light with two different wavelengths of (940-1000) nm and (1520-1550) nm, and the upconversion luminescent material with the luminescent core-inert shell two-layer structure can obviously improve the luminous intensity of dual-frequency common excitation compared with a mononuclear material.

A vehicle headlamp mounted on a vehicle is capable of forming at least a first light distribution pattern projected onto an area below a cutoff line and a second light distribution pattern projected along the cutoff line to overlap with the cutoff line. At least a partial projection area of the second light distribution pattern is adjusted in luminous intensity according to a position of a target object outside the vehicle.

The invention provides a Schiff base optical switch material, the molecular structural formula of which is at least one of the following: # imgabs0. The Schiff base optical switch material has the advantages that the voxel generation and disappearance speeds are both smaller than the limit resolution of human eyes, the response speed is high, and the dynamic refreshing of a three-dimensional image can be realized. Under independent excitation of ultraviolet light or visible light, the luminous intensity of the Schiff base photoswitch material is low, the luminous intensity at the intersection point of the ultraviolet light and the visible light is high, and a formed three-dimensional image is high in brightness and high in contrast ratio. The Schiff base photoswitch material can still be stably switched on and off under multiple excitation of ultraviolet light and visible light, and is good in fatigue resistance and high in stability. The invention also provides a preparation method of the Schiff base optical switch material and a static body three-dimensional display system comprising the Schiff base optical switch material.

The invention belongs to the field of intelligent lighting control, and particularly relates to a lighting control system and method. The system collects and records the luminous intensity of the lighting equipment according to a preset time period through a light intensity collection module, and then obtains a light intensity deviation value through a deviation value calculation module; then, an output proportional control quantity and an output integral control quantity are respectively obtained through a proportional control quantity module and an integral control quantity module, and are used for obtaining an output adjustment control quantity through a control quantity adjustment module; and finally, a target output duty ratio is obtained through a duty ratio adjusting module according to the output adjustment control quantity, and the target output duty ratio is used for adjusting and controlling the output duty ratio of the luminance of the lighting equipment. Therefore, the lighting stability of the lighting equipment is improved.

The invention discloses a pump lamp tube fault accurate diagnosis system based on multi-parameter data analysis, and relates to the technical field of industrial automation monitoring, and the system comprises a multi-parameter acquisition and unique fault judgment algorithm, a multi-parameter acquisition module is connected with a high-precision current transformer, an infrared temperature sensor, a miniature pressure sensor, a photoelectric sensor and the like, and the multi-parameter acquisition module is connected with the unique fault judgment algorithm; parameters such as current, voltage, lamp tube surface temperature, internal gas pressure and luminous intensity during operation of a pumping lamp tube are accurately acquired, denoising and filtering parameters and a normalization method based on lamp tube rated parameter values are set by the preprocessing unit, and a fault diagnosis model is constructed by the data analysis module by selecting multiple learning algorithms. The collected and preprocessed parameter vector is X, a weight vector W and a bias item b are obtained through model training, a comprehensive score S is calculated, a fault judgment threshold T is set through a large amount of sample data training, and if S is larger than or equal to T, it is judged that a lamp tube has a fault, and a fault type mark is output; if Slt; and T, judging normal operation of the lamp tube.

The invention relates to the technical field of quantum, and particularly discloses a physical structure and function exploration method of a light quantum chip based on an e-p-n quantum entangled state basic particle model. Related quantum characteristics are brand-new interpreted based on the e-p-n quantum entangled state basic particle model, and the physical structure and function exploration method of the light quantum chip based on the e-p-n quantum entangled state basic particle model is established based on the e-p-n quantum entangled state basic particle model. The method comprises the following steps: researching basic modules of a light quantum chip, including generation of light quantum, formation of light quantum bits, a light quantum storage and reading scheme, linear optical quantum calculation, a light quantum chip control module, a substrate material of the light quantum chip and the like, and carrying out deep analysis on a light quantum chip technology; and the color, the luminous intensity, the spatial relative position and the like of an object can be judged due to the capability, and the method can be applied to the fields of visual automatic driving and the like.

The invention belongs to the technical field of 3D printing and flexible high-hydrophobicity self-luminous life jackets, and particularly relates to a flexible high-hydrophobicity self-luminous life jacket and a preparation method thereof. A self-luminous waterborne polyurethane emulsion of a hydrophobic modified energy-storage long-afterglow luminescent material is synthesized, the prepared self-luminous waterborne polyurethane emulsion is used for coating and post-processing a thermoplastic polyurethane elastomer (TPU) flexible life jacket part formed by SLS, and a luminous coating permeates into micro-gaps in the surface of the TPU part and is attached to the surface. And a firmly attached self-luminous coating is formed after curing, so that the hydrophobic property of the TPU life jacket product is obviously improved, and the self-luminous function in a dim and dark environment is also realized. The problems that a traditional fluorescent material is low in luminous intensity, incapable of continuously emitting light, poor in water resistance and the like are solved, and excellent high-hydrophobicity self-luminous performance is obtained on the premise that the original SLS forming process characteristics of the TPU life jacket are not changed and the mechanical property of the TPU life jacket is reserved.