778 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 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.

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 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 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).

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.

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 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 provides a calibration device for a headlamp detector calibrator. The calibration device comprises a plane coordinate positioning mechanism and a positioning adjusting mechanism, the plane coordinate positioning mechanism comprises a vertical installation flat plate, and the vertical installation flat plate is connected with a luminosity head. The positioning adjusting mechanism comprises a tripod; the tripod is connected with a first installation platform for installing the standard lamp through an angle fine adjustment mechanism, the first installation platform is further connected with a second installation platform for installing the laser range finder through a height adjustment mechanism, and the height adjustment mechanism is used for adjusting the height of the laser range finder through the standard lamp so that the center line of the measuring face of the laser range finder can be tightly attached to the light-emitting face of the standard lamp. The laser range finder is used for testing the distance between the light emitting surface of the standard lamp and the working surface of the luminosity head. According to the invention, the plane coordinate positioning mechanism is matched with the positioning adjusting mechanism, so that the luminous intensity and the optical axis angle of the calibrator of the motor vehicle headlamp detector are accurately calibrated.

The invention relates to the technical field of intelligent monitoring, in particular to a monitoring device and an overexposure adjusting method.The monitoring device comprises a camera module and a main control panel, and the camera module is provided with a first light sensor; the camera module is arranged on the main control board; the main control board is provided with a plurality of infrared light-emitting modules and at least one second light sensor, the second light sensor is configured to detect the light intensity of reflected light and generate corresponding electric signals according to the light intensity of the light, and the main control board adjusts the light-emitting intensity of the corresponding infrared light-emitting modules according to the electric signals. The light intensity values of the light rays in all directions received by the first light sensor are converged to a preset dynamic range. The invention mainly aims to provide a monitoring device, and aims to solve the problem of overexposure near a camera module and avoid the problems of image blurring, detail loss and the like caused by light intensity attenuation when a target is far away.

The application belongs to the technical field of fluorescent material synthesis, and particularly relates to a blue fluorescent powder with self-activation effect and a preparation method thereof, the chemical formula of the blue fluorescent powder is Li2Mg2W2O9 or Li2Zn2W2O9; the preparation comprises the following steps: 1) according to the chemical proportion of the fluorescent powder, magnesium / zinc source, lithium source and tungsten source are weighed and uniformly ground; 2) the uniformly ground mixed powder is placed into an alumina crucible, sintering is carried out, and the product is fully reacted after heat preservation for a period of time; 3) the product is uniformly ground again after cooling, and the blue fluorescent powder with self-activation effect is obtained. The application utilizes the special lattice structure of the substrate, and obtains the blue fluorescent powder with self-activation effect under an air atmosphere; the generated product has high purity, simple synthesis conditions, low cost and is easy to be prepared on a large scale; the prepared fluorescent powder has a high internal quantum efficiency of 68.7%, high luminous intensity and unique blue light emission characteristics.

The invention discloses a light-emitting substrate and a light-emitting device, and belongs to the technical field of illumination and display. The light-emitting substrate comprises a driving backboard, a first electrode layer, a pixel definition layer and at least two light-emitting functional layers. The pixel defining layer is provided with a plurality of pixel openings and at least two partition structures distributed around the pixel openings, the at least two light-emitting functional layers correspond to the at least two partition structures, and the portions, located in the areas defined by the corresponding partition structures, of the light-emitting functional layers are provided with the pixel openings. The common electrode layer of the light-emitting function layer can be disconnected from the part outside the area defined by the corresponding partition structure, and the electrode part, located in the area defined by the corresponding partition structure, in the common electrode layer of the light-emitting function layer can be electrically connected with the driving backboard. Therefore, the voltage signals loaded on the electrode parts are basically consistent, the luminous intensity of the organic light-emitting layers in different pixel openings is basically the same, and the uniformity of the luminous brightness of the light-emitting substrate is improved.

The invention relates to the technical field of planting, and provides an illumination adjusting device for citrus planting, and the device comprises an illumination monitoring module which is used for monitoring the illumination intensity and illumination duration in a citrus planting area in real time; the control module is electrically connected with the illumination monitoring module and is used for receiving monitoring data of the illumination monitoring module and analyzing and processing the monitoring data; and the light supplementing device is electrically connected with the control module and comprises a plurality of LED lamp beads with different spectrums, and the control module controls the light supplementing device to be turned on and turned off according to the monitoring data and adjusts the luminous intensity and the spectrum combination of the light supplementing device. Through the illumination monitoring module and the control module, illumination intensity and spectrum combination can be monitored in real time and accurately adjusted according to citrus growth requirements, optimal illumination conditions are provided for citrus in different growth stages, and photosynthesis, growth and development, flower bud differentiation and fruit quality improvement of citrus are promoted; meanwhile, the problems of leaf burning and fruit sunburn caused by excessive illumination of the oranges can be effectively prevented.

The invention relates to the technical field of LED display screens, in particular to an LED display screen brightness regulation and control method and device, and the method comprises the steps: obtaining light intensity data which comprises environment light intensity data collected by a distributed sensing assembly and brightness intensity data of display screen partitions; processing the light intensity data of the light intensity data to obtain a brightness uniformity index, and outputting a dynamic adjustment instruction in combination with ambient light intensity data; the dynamic adjustment instruction is converted into a partition driving parameter; and adjusting the brightness level of the partition of the display screen according to the partition driving parameter. Partitioned data acquisition and independent drive design are combined with a brightness uniformity evaluation algorithm and a dynamic adjustment strategy to realize accurate regulation and control of brightness in a complex scene. Meanwhile, a closed-loop feedback correction mechanism is introduced, so that the system stability and response speed are improved. The display effect can be remarkably improved, the user experience is enhanced, and the method is suitable for multi-scene application requirements.

The invention relates to a preparation method of a terbium-doped gadolinium oxysulfide fluorescent material. The performance of the material is remarkably improved through an optimized high-temperature solid-phase method. According to the process, firstly, polyvinylpyrrolidone (PVP) and dopamine hydrochloride are used as a dispersing agent and a coating agent to prepare uniformly dispersed Gd2O3 and Tb4O7 oxide precursors, then through a fluxing agent system with the synergistic effect of boric acid and lithium carbonate and in combination with a low-temperature pre-sintering-medium-temperature vulcanization-high-temperature crystallization three-stage sintering process, grain aggregation and abnormal growth are effectively inhibited, and the Gd2O3 / Tb4O7 composite material is obtained. And finally, annealing in air to remove carbon impurities to obtain the superfine fluorescent powder with small particle size and narrow distribution. Experiments show that the particle size D50 of the fluorescent powder in the embodiment is 496-678 nm, the fluorescence decay life exceeds 1100 microseconds, the luminous intensity is high, the stability is excellent, and the fluorescent powder has wide application prospects in the fields of liquid crystal display, biomedicine and the like.

The invention discloses a method for detecting multiple biomarkers based on a nano-enzyme chemiluminescence technology, and the method comprises the following steps: preparing iron oxide nano-particles as a nano-enzyme core, and coating the surfaces of the nano-particles with substrate molecules to form a nano-enzyme-substrate compound; mixing and incubating the nano enzyme-substrate compound and a sample to be detected, adding a hydrogen peroxide solution, transferring to a microplate, and collecting a chemiluminescence signal by using a microplate reader; extracting characteristic parameters including peak value luminous intensity, peak reaching time, half-peak width, rising rate, attenuation rate, integral intensity and / or wavelength ratio in the collected luminous curve, wherein the characteristic parameters comprise the peak value luminous intensity, the peak reaching time, the half-peak width, the rising rate, the attenuation rate and the integral intensity; and constructing and training a multi-layer neural network model so as to predict the concentration of the multiple biomarkers based on the characteristic parameters of the sample data. By means of the scheme, multiple biomarkers can be detected at the same time, and the detection accuracy is improved.

To provide a technology for suppressing influence of an electron density on a light emission intensity inside a plasma processing chamber.SOLUTION: A plasma processing system comprises: a plasma processing chamber that houses a substrate therein; a light emission intensity measurement section that measures, inside the plasma processing chamber, a light emission intensity of a wavelength caused by a by-product or processed gas in plasma processing; an electron density measurement section that measures an electron density inside the plasma processing chamber; and a control section that determines an endpoint of the plasma processing when variation in the electron density measured by the electron density measurement section is small and variation in the light emission intensity measured by the light emission intensity measurement section is large.SELECTED DRAWING: Figure 2

An air conditioner includes a detection sensor, an illuminance sensor, a light, an air conditioning module, at least one processor, and a memory storing instructions, when executed by the at least one processor individually or collectively, cause the air conditioner to determine whether an illuminance value detected by the illuminance sensor is greater than or equal to a first illuminance reference value, detect a human in a target space by using a sensor detection value of the detection sensor, and based on the detected illuminance value being greater than or equal to the first illuminance reference value and a human being detected in the target space, control the light in a first mode in which at least one of luminous intensity or a luminous intensity change pattern of the light is controlled based on a compressor frequency of the air conditioning module.

The present invention relates to a lamp with adjustable lighting range, belonging to the technical field of lighting lamps. The lamp comprises a base, a light-emitting unit, an adjustment mechanism, an adjustable lampshade, an adjustment module and an angle monitoring module, wherein the adjustment mechanism is installed on the top surface of the base, the light-emitting unit is installed on the adjustment end of the adjustment mechanism, the adjustable lampshade is arranged outside the light-emitting unit and installed on the adjustment end of the adjustment mechanism, the angle monitoring module is installed on the adjustment end of the adjustment mechanism and is used to monitor the inclination angle of the adjustment end, the adjustment module is installed on the base and is used to adjust the luminous intensity of the light-emitting unit; the adjustment module adjusts the luminous intensity of the light-emitting unit according to the adjustment angle of the adjustable lampshade and the adjustment angle of the adjustment mechanism; the present invention solves the problem that the light intensity of the existing lamp cannot adapt to the new change after the irradiation range is changed.

The invention discloses a pupil adaptive red light regulation and control method and system based on EC film and light source collaboration, and the method comprises the steps: obtaining a visible light image of the eyes of a user through an image collection module, and extracting a real-time pupil state parameter through an image processing module; meanwhile, the ambient light sensing module obtains ambient light intensity data. The cooperative control unit receives the parameters and generates a luminous flux control instruction set containing a first control instruction and a second control instruction based on a safety evaluation model. The first control instruction drives the electrochromic film assembly to change the light transmittance of the red light, and the second control instruction adjusts the luminous intensity of the red light source. Through cooperative control of optical attenuation of the electrochromic film and luminous intensity of the light source, the luminous flux entering the retina can be accurately regulated and controlled in real time according to dynamic changes of pupils, the problem of potential retina light damage risk caused by using a light source with fixed intensity is effectively solved, and the safety of red light irradiation application is remarkably improved.

The invention provides an organic electroluminescent material and an organic electroluminescent device, and belongs to the field of organic electroluminescent materials, and the organic electroluminescent material has a structure as shown in a formula I. The organic electroluminescent material has low refractive index, and can be used as a luminescent auxiliary material and applied to a thicker layer in a double-layer luminescent auxiliary material, so that the organic electroluminescent material can be used as a light-emitting auxiliary material. The light emitted from the device passes through the low-refractive-index film layer of the formula I, the organic electroluminescent device prepared by matching the low-refractive-index film layer with the high-refractive-index light-emitting auxiliary material can play a better light gathering role, the light with the specific wavelength in the light emitted from the device is emitted out, the emission spectrum can be narrowed, the light-emitting intensity of the light with the specific wavelength is enhanced, and the light-emitting efficiency of the organic electroluminescent device is improved. The light loss is reduced, the luminous efficiency of the device is improved, and meanwhile, the lower driving voltage and the longer service life of the device are ensured.

The invention discloses a display method and device of a display screen and electronic equipment. The method is applied to the electronic equipment, the electronic equipment is provided with a display screen, or the electronic equipment is the display screen, the display screen comprises a light field screen or a far image screen, and the method comprises the following steps: acquiring first screen luminous intensity of the display screen; and when the first screen luminous intensity is smaller than a first set threshold value, lightening a luminous mark of the display screen. In the technical scheme provided by the embodiment of the invention, when the luminous intensity of the first screen is smaller than the first set threshold value, the luminous mark of the real object of the display screen is lightened, calibration points of sight focusing can be increased, the display screen can still be focused on a distant virtual image through the peripheral luminous mark after the display screen is dark, and the luminous mark of the virtual image is electrically lightened; the display effect seen by human eyes can be improved, distant looking can be maintained, frequent focusing of the eyes is not needed, and eye fatigue is relieved.

The invention provides a self-adaptive image processing and dimming method and a self-adaptive image processing and dimming system for a Micro LED (Light Emitting Diode) array. Belongs to the technical field of MicroLED display. The method comprises the following steps: performing color space conversion on an input image; extracting edge information in the image; segmenting the image into a plurality of different areas according to an edge detection result, and performing feature extraction on each segmented area; different dimming strategies are formulated for different areas; according to a self-adaptive dimming strategy, generating a luminous intensity control signal of each MicroLED pixel; a pulse width modulation technology is adopted, a luminous intensity control signal is converted into a PWM (Pulse Width Modulation) signal, and the luminous time of a MicroLED pixel is controlled. And the dimming strategy is adjusted and optimized in real time. The light emitting intensity is controlled by adopting a PWM (pulse width modulation) technology, more precise brightness adjustment can be realized, and the light emitting time and frequency can be dynamically adjusted according to requirements, so that the energy consumption is effectively reduced.

The invention belongs to the technical field of biomolecular interaction detection, and particularly relates to a method for synergistically analyzing a molecular interaction state based on multimodal optical parameters of a rare earth up-conversion nano material. The method comprises the following steps: S1, providing a ligand coated rare earth up-conversion nano material UCNPs probe; s2, enabling the rare earth up-conversion nano material UCNPs probe to be in contact with a solution sample to be detected; s3, exciting the rare earth up-conversion nano material UCNPs probe by using near-infrared pulse laser, and collecting the following optical parameters: luminous intensity change, molecular layer thickness / mass change delta D, luminous life change delta tau and emission peak displacement delta lambda; and S4, based on at least two of the parameters, cooperatively analyzing and judging the interaction state of the ligand on the surface of the probe and the molecules in the solution sample to be detected. The molecular interaction state is synergistically analyzed based on changes of multiple optical parameters, and the technical problem that an existing molecular interaction analysis technology cannot be applied to complex biological samples (serum and cell lysis buffer) is solved.

The invention belongs to the technical field of temperature sensors, and particularly relates to an up-conversion luminescence temperature sensor based on a plasmon effect and preparation and application thereof. The core of the sensor provided by the invention is a composite structure formed by a gold nanorod array and Er < 3 + > and Yb < 3 + > co-doped NaYF4 up-conversion nanoparticles, and the gold nanorod array is prepared by adopting a two-way aluminum oxide template method and is regularly and orderly arranged in a hexagonal shape. Under the excitation of 980nm near-infrared light, the local surface plasmon resonance effect of the gold nanorods can significantly improve the up-conversion luminescence intensity and accelerate the thermal response rate of the sensor; the ratio type temperature sensing system is constructed by detecting the fluorescence intensity ratio of two emission bands of 515-535 nm and 535-555 nm, self-calibration accurate detection within the temperature range of 303-348 K can be achieved, and the sensor has the advantages of being uniform in structure, controllable in preparation, high in detection sensitivity, high in response speed and the like.