57 results about "Light exposure" patented technology

This invention provides an intelligent wake-up method, an intelligent control system, an electronic device, and a storage medium. The intelligent control system includes at least a control module and an LED light panel. The LED light panel is equipped with an LED light source module. When the wake-up conditions are met, the control module controls the color temperature of the LED light source module to be equal to a color temperature threshold during the wake-up period. The color temperature threshold is configured based on color temperature-emotion evaluation data. During the wake-up period, the control module controls the output power of the LED light source module to change linearly with time, causing the illuminance of the LED light panel to change from dark to bright, simulating the sunrise process, thereby waking up the user. The difference between the integral of the LED light panel's illuminance over time and the eye exposure threshold is within a preset range. The eye exposure threshold is configured using eye exposure data, arousal evaluation data, and sleep quality data.

This utility model discloses a nursing medication preparation teaching workbench, belonging to the field of teaching equipment technology. It aims to solve the technical problems of high light leakage risk and insufficient light-blocking effect of traditional light-blocking measures. The workbench includes a table body with lifting mechanisms arranged on both sides inside. A teaching mechanism is connected to the lifting mechanisms and is located in the middle of the table body. The teaching mechanism includes an outer frame, inside which is an inner frame. A cavity is formed between the inner and outer frames, and sliding rails are arranged on both sides inside the cavity. This utility model, through the design of a top plate and a light-blocking curtain structure, allows the top plate, along with the light-blocking curtain mounted on its lower surface, to extend from the cavity when the outer frame is raised from inside the table body, forming a dark space. This space reduces external light, facilitating students' medication preparation operations with photosensitive drugs and reducing the risk of photolysis reactions caused by light exposure.

This invention provides a hydrogen-rich water cup, comprising a cup body, a base, and a hydrogen delivery tube. The cup body includes an inner wall, an outer wall, micropores, and a catalyst coating. The base includes a hydrogen storage chamber and a gas-liquid mixing component. The inner wall is cup-shaped, forming a receiving space on its inner side. The outer wall is columnar and surrounds the outer side of the inner wall, forming a sandwich space around the inner wall. Micropores are disposed on the inner wall and located between the sandwich space and the receiving space. The catalyst coating is disposed within the sandwich space. The sandwich space is connected to the hydrogen storage chamber via the hydrogen delivery tube. The hydrogen storage chamber is connected to the gas-liquid mixing component, and the gas-liquid mixing component is connected to the receiving space. The advantages of this invention are: it can generate hydrogen-rich water with only light exposure; it is safe and reliable, automatically monitoring the pressure in the hydrogen storage chamber and automatically venting when the pressure is too high; it is convenient to use, and can monitor the hydrogen concentration in the hydrogen-rich water in real time.

A system (10) and method (70) for quantifying light exposure of a patient's retina (25) during ophthalmic surgery. A light source (32) illuminates the patient's retina (25) with directional light (LL) during the surgery to produce an illuminated retina surface. A camera (36) collects image data (38) of the illuminated retina surface (25I). An electronic control unit, ECU (50), is in communication with the camera (36) and an indicator device (40), receives the image data (38), calculates a cumulative energy spectral density of the directional light (LL) incident on the retina (25), and performs a control action indicative of possible phototoxicity in response to the cumulative energy spectral density exceeding a phototoxicity threshold, the control action including enabling the indicator device (40). The illuminated retina surface (25I) can be divided into virtual zones (Z1, Z2), the ECU (50) mapping the cumulative energy spectral density to the illuminated retina surface (25I). Each of the optional zones (Z1, Z2) has a corresponding cumulative energy spectral density.

The present invention relates to a composition comprising a photosensitizer use in prevention or treatment of dermatological disease in a patient, wherein the composition is used in the following order of steps: (a) topical application or subcutaneous injection of said composition to an area of the skin of said patient, (b) exposure of at least said area of the skin to light with a wavelength spectrum similar or identical to sun light for a duration of 30 min to 5 hours, and (c) exposure of at least said area of the skin to light of a wavelength spectrum comprising only one maximum in the absorbance spectrum of said photosensitizer as well as to methods of treating dermatological disease using the outlined steps and kits of parts comprising such compositions and light sources suitable to apply the respectively indicated light.

This utility model discloses a sample fabric light exposure color fastness aging tester, including an aging tester body. An outer frame is threadedly connected to one side of the aging tester body. An installation hole is provided inside the outer frame, and a drying mechanism is installed inside the installation hole. A processing chamber is provided inside the aging tester body. A rotating disk is fixedly connected to the bottom of the processing chamber, and a heat dissipation box is fixedly connected to the bottom of the rotating disk. This sample fabric light exposure color fastness aging tester, through the setting of the drying mechanism, has an outer frame set on one side of the processing chamber. When the power is turned on, a temperature controller controls the heating grid to heat up. Simultaneously, a fan on one side is activated, blowing hot air into the processing chamber, accelerating the airflow inside the processing chamber, thereby quickly drying the residual water droplets in the processing chamber. This prevents water droplets from adhering to the inner wall of the processing chamber for a long time, causing damage to the inner wall of the equipment and shortening its service life.

The invention discloses a traditional Chinese medicine residue sorting and quality grading method based on machine vision recognition. The method comprises the steps that an image sequence is collected, and exposure, white balance gain and light source driving quantity are recorded; a standardized image sequence is obtained through preprocessing, and a working condition drift tensor is constructed through batch difference; segmenting the target area, constructing an equivalent refraction-scattering weight map based on a particle size distribution parameter, a fiber orientation anisotropy parameter and a water-containing scattering indication parameter, and generating a physical token sequence; adopting improved VMama asymmetric scanning to obtain an anisotropic state characterization sequence; a prediction entropy is calculated, a physical consistency loss is constructed through a working condition drift tensor alignment residual error, and a self-adaptive normalized parameter set is obtained through TENT online updating; and reasoning to obtain a target sorting category and a target quality grade, and generating a shunting control instruction and grading record data for sorting and grading of a conveying line. According to the method, unmarked cross-working-condition sorting and consistent grading are achieved.

Example embodiments relate to taking images at certain predetermined angles in order to have consistent exposure throughout the images. An example embodiment includes a method. The method includes determining, using a lidar device, light intensity information of a surrounding environment of the lidar device. The light intensity information includes a plurality of angles within a threshold range of light exposure. The method also includes determining rotation times associated with each of the angles within the threshold range of light exposure. Further, the method includes based on the rotation times associated with each of the angles within the threshold range of light exposure, determining a plurality of target image times. In addition, the method includes capturing, by a camera system, a plurality of images at the plurality of target image times.

This invention discloses a two-dimensional hydrogen germanene nanosheet, its preparation method, and its applications. The two-dimensional hydrogen germanene nanosheet has an ultrathin layered structure, with covalently modified hydrogen atoms on its surface, a lateral dimension of 100–300 nm, and a thickness of 5–10 nm. When activated by a specific wavelength laser, the two-dimensional hydrogen germanene nanosheet can photoexcite and generate singlet oxygen to destroy bacterial biofilms and kill bacteria. Simultaneously, it consumes local oxygen to create a staged hypoxic microenvironment, thereby inhibiting excessive inflammatory responses. After the light exposure ends, as the local oxygen level naturally recovers, it can further enhance the infection clearance function of immune cells, achieving continuous clearance of residual infection. This invention, through staged dynamic regulation of oxygen partial pressure, synergistically integrates direct bactericidal and immune clearance processes, ensuring antibacterial strength while reducing the risk of tissue damage and infection recurrence. It is suitable for the safe and effective treatment of implant-related biofilm infections.

The application discloses a method and system for monitoring light and sleep and improving sleep and circadian rhythm, and aims at the problems of single application scene and function, lagging theory and lack of deep analysis in existing sleep intervention methods, adopts sleep monitoring and light improvement services based on the non-visual effect theory of light, forms the cyclic regulation and feedback of sleep and light monitoring, analysis and evaluation and sleep intervention guidance, guides users to select appropriate lighting lamps, light exposure time and total amount, utilizes light which is strong synchronization and non-contact to improve the circadian rhythm and sleep of personnel, and thus the system can be suitable for the sleep habits of each user and keep a stable circadian rhythm.

This utility model relates to the field of color matching light box technology, specifically to a color matching light box for dyeing knitted fabrics. It includes a light box body, a dimming mechanism installed at the top of the interior of the light box body, and a fabric fixing mechanism installed at the bottom of the interior of the light box body. The dimming mechanism includes a switching cylinder rotatably connected to the top of the interior of the light box body. A lampshade is fixedly installed at the top of the interior of the light box body and inside the switching cylinder. A high-brightness LED light is fixedly installed at the top of the interior of the lampshade. Multiple sets of light filters are embedded at equal intervals on the inner sidewall of the lampshade. A transmission gear is fixedly installed on the outer side of the lampshade. A rotating shaft is rotatably connected to the top of the front of the light box body. This utility model significantly reduces the production and use costs of the light box through its design, improves the flexibility and convenience of its use, and allows adjustment of the fabric's light exposure height and angle, thereby improving the accuracy of color matching detection.

The application is suitable for the terminal technical field, and provides a shooting method, an electronic device, a storage medium and a chip system. The method comprises the following steps: in the case that a shooting instruction is received and a to-be-shot scene in a shooting preview frame is a target scene, shooting at least one group of images; the target scene comprises a fireworks scene; each group of images comprises multiple images with the same exposure time and different exposure amounts which are shot at the same time; an image with a smaller exposure amount in each group of images is shot by a camera with better photosensitive performance, and an image with a larger exposure amount is shot by a camera with poorer photosensitive performance; the shooting time of different groups of images is different; performing first processing on each group of images, so that the field of view, size and resolution of all images in each group of images are all the same; inputting multiple to-be-fused image groups with adjacent shooting time into a trained image denoising fusion model for processing to obtain a fused image, so that the overall quality of a shot fireworks image can be improved.

This invention belongs to the field of image processing technology and discloses a high-performance method and system for identifying cracks in concrete bridges. It involves acquiring 3-5 levels of multi-exposure image sequences using a drone or a track inspection robot. Preprocessing steps such as registration and fusion are performed to suppress aggregate texture interference and preserve weak edge details of microcracks. Then, HPC aggregate-specific features are extracted and matched with a texture prior library to distinguish the background from suspected cracks. Noise is separated using a dual anti-interference algorithm. A lightweight multi-scale network can accurately extract microcrack features at the 0.05mm level. Combined with 7×7 template Zernike matrix sub-pixel detection, the edge localization accuracy is improved to within 0.1 pixels, reducing false detection and false negative rates, and achieving accurate identification of early-stage microcracks in HPC bridges. The constructed lightweight multi-scale feature segmentation network has four parallel branches, a simplified structure, and high computational efficiency, enabling real-time detection directly on edge devices such as drones and track inspection robots.

This invention provides a high-strength photopolymerization bio-3D printing method based on temperature-sensitive gelation assistance. The method includes: preparing a liquid bio-ink containing a temperature-sensitive photocrosslinking material and a photoinitiator; spreading the liquid bio-ink on a printing platform or the surface of a previously cured printing layer, and subjecting it to in-situ physical gelation at an environment below its physical gelation temperature to form a physical crosslinking network; while maintaining the physical gel state, patterning the bio-ink layer under light exposure to further form a chemical crosslinking network; repeating the spreading, physical gelation, and light exposure steps to achieve layer-by-layer stacking of a three-dimensional entity. This invention combines a low-temperature-induced physical gelation process with a photochemical crosslinking process to form a physical-chemical dual network structure, thereby improving the mechanical properties and forming stability of the printed entity.

In a solid-state imaging element in which effective pixels are arranged, image quality of image data is improved. In a pixel array unit, a plurality of effective pixels that is not shaded from light is arranged. A drive unit performs control to drive each of the plurality of effective pixels to generate an analog signal according to the exposure amount as an effective pixel signal and control to drive a specific pixel among the plurality of effective pixels to generate an analog signal according to a dark current as an additional shaded pixel signal. A signal processing unit corrects the effective pixel signal using the additional shaded pixel signal.

A resist composition which generates an acid upon light exposure and whose solubility in a developing solution is changed by an action of the acid, the resist composition including a resin component whose solubility in a developing solution is changed by the action of the acid, and a compound represented by General Formula (d0) in which Rd01 represents a monovalent organic group, Rd02 represents a monovalent organic group or a hydrogen atom, and Ld01 represents a single bond or a divalent linking group

The application discloses a fluorescent coupling reaction low-light exposure control incubation integrated system, relates to the technical field of biological detection and experimental equipment, and comprises an operation dark box module, a sample incubation module, an imaging assembly and a main control module. The operation dark box is combined with non-visible light imaging and hand action detection, realizes low-light blind operation visualization and dynamic light adjustment, and reduces initial light exposure. The sample incubation module initiatively creates a grading light shielding system, uses local light shielding to timely stop loss of a single sample, and uses overall light shielding to unify the dark field environment of subsequent reactions of all batches. In addition, the system calculates accurate exposure time through operation triggering and in-situ detection, combines multi-level threshold value quantization to identify the light bleaching degree of samples, and automatically determines to discard when the time is up. The application effectively solves the problems of uncontrollable light exposure and uneven light receiving in the preparation and transfer process of large quantities of fluorescent samples, and guarantees the accuracy and high consistency of final fluorescent detection results.

Dynamic systems and methods for fixed noise pattern calibrations and image corrections are provided. Imaging devices may be calibrated via the system by adjusting an imaging sensor exposure to acquire one or more black images. A global average pixel value is calculated to accumulate pixel values per column of the acquired image. The calculated global average pixel value is then saved as offset imaging data. An average pixel value per column of the imaging data based on the accumulated pixel values may also be calculated, and stored as offset imaging data. A correction matrix may be recomposed based on the offset imaging data and used for calibrating the imaging sensor, and for creating corrected images in or near real time.

This utility model belongs to the technical field of agricultural seedling cultivation facilities, specifically relating to a multi-layer double-root-cutting watermelon grafted seedling healing device. It includes a healing chamber, inside which is installed a vertical circulating seedling cultivation device. Several grafted seedling trays are transported on the vertical circulating seedling cultivation device. Temperature and humidity control modules for adjusting the temperature and humidity inside the healing chamber are arranged around the vertical circulating seedling cultivation device. A light environment control module for adjusting the light environment inside the healing chamber is located at the top of the vertical circulating seedling cultivation device. The vertical circulating seedling cultivation device has a conveying motion control module for adjusting its operating speed. It also includes a central control system, which is electrically connected to the temperature and humidity control module, the light environment control module, and the conveying motion control module to achieve spectral environment regulation, control the operating speed of the vertical circulating seedling cultivation device to optimize light exposure, and couple the regulation of temperature and humidity to provide a stable healing microenvironment.

The application provides a lighting control method, a lighting system and a terminal for a weak window space, and the method comprises the following steps: based on a preset space use rule, dynamically dividing a weak window space into a plurality of functional areas; the functional areas comprise a normal activity area, a transition guide area and a sunlight coordination area; acquiring a time period in which effective natural light exposure can be performed in the future, and defining the time period as a coordination time window; in the coordination time window, activating a lighting unit of the transition guide area to generate a dynamic light path connecting the normal activity area and the sunlight coordination area; the dynamic light path is used to guide a user to move from the normal activity area to the sunlight coordination area to receive natural light, so as to receive natural light meeting a vitamin D synthesis light dose threshold. The application significantly improves the biological availability and utilization efficiency of natural light resources in a weak window environment, and provides a feasible technical path for a healthy building, an underground space and a high-density urban office scene.

A device and method for measuring the decentration of optics under test is provided. The device comprises a rotational spindle for loading and rotating the optics under test, a light source module for providing incident light beam to the optics under test, and a wavefront sensor for receiving testing light beams with different exposures from the optics under test at a plurality of azimuthal directions.

An image forming apparatus includes an image forming section, an optical scanning device, an image density sensor, and a control unit. The optical scanning device scans the surface of the image carrying member with light emitted from light sources to form an electrostatic latent image. The control unit can perform light amount calibration to adjust the exposure amount of the light scanning device based on the density of a reference image detected by the image density sensor. The reference image used for light amount calibration has a dot pattern in which as many individual dots as there are light sources are arrayed at regular intervals in the main scanning direction. The dot pattern is formed repeatedly in the main and sub scanning directions. The dots forming the dot pattern are arranged at different positions in the sub scanning direction to be displaced in units of pixels from each other.

This utility model provides a rotatable, dimming seedling tray, belonging to the field of seedling trays. It includes a base plate with supporting legs fixedly connected to its bottom. A dimming grow light is mounted on the top of the base plate, and a rotating device is also mounted on top of the base plate. A seedling tray is mounted on top of the rotating device. The rotating device includes a motor, the bottom of which is fixedly connected to the top of the base plate. A rotating shaft is fixedly connected to the motor's output shaft, and a sprocket is fixedly connected to the top of the rotating shaft. This utility model, through its rotating device, enables the motor's output shaft to drive the rotating shaft to rotate. This rotating shaft, through sprocket one, a chain, and sprocket two, drives a rotating rod to rotate, which in turn rotates the seedling tray, ensuring that each seedling receives light. This promotes uniform light exposure and prevents uneven growth in certain areas due to a fixed position.

The present invention is a pellicle frame to be included in a pellicle for photolithography, wherein the pellicle frame is made of pure titanium or a titanium alloy, and has a surface subjected to: a mechanically polishing treatment; an electrolytic degreasing treatment; and a chemically polishing treatment. This provides a pellicle frame with reduced fine dust particles remaining on the surface, and a method for producing a pellicle frame.

A photoelectric converter and electronic device are disclosed. The photoelectric converter includes: a receiving cavity, a light-emitting module, a light-receiving module, and a depletion-mode MOS chip located within the receiving cavity, wherein: the light-emitting module is adapted to emit light; the light-receiving module is coupled to the depletion-mode MOS chip and adapted to receive the light; the depletion-mode MOS chip has a light-shielding protective structure covering its photosensitive area, and the light-shielding protective structure has a light-shielding rate of not less than 99% for visible light and infrared light. This solution can prevent the depletion-mode MOS chip from being affected by light exposure, thereby improving the stability of the photoelectric converter.

A method for manufacturing a wiring board, including: forming a resist layer on a seed layer comprising a metal provided on a support body; forming a pattern including an opening to which the seed layer is exposed in the resist layer by light exposure and development of the resist layer; and forming a copper plating layer on the seed layer exposed into the opening by electrolytic plating, in this order. The arithmetic mean roughness Ra of the surface of the seed layer on a side opposite to the support body is 0.05 μm or more and 0.30 μm or less.

This invention belongs to the field of agricultural production technology, specifically relating to a method for promoting tea tree growth and / or improving tea tree quality. This invention supplements the tea trees with different light qualities from before bud break to the tea harvesting period, maintaining a daily light exposure time of 14–16 hours and a light intensity ≥200 μmol·m⁻². ‑2 ·s ‑1 This invention promotes the growth of tea trees; red light primarily promotes the growth of tea trees and the germination of tea buds, artificially extending the harvesting period of albino tea trees; while blue light primarily improves the quality of tea leaves, increasing the content of amino acids, mainly theanine, and enhancing the freshness of the tea. At the same time, the technical solution of this invention finds a balance between promoting the growth of tea trees and improving the quality of tea trees, thus providing a scientific basis for improving the cultivation environment of albino tea trees.

The invention discloses an image processing method and device, electronic equipment, a storage medium and a program product, and relates to the technical field of image processing. According to the image processing method, when water ripples exist in a short-exposure sub-frame, the long-exposure sub-frame can be used as a standard sub-frame for short-exposure sub-frame imaging reference due to the fact that the difference of exposure energy among multiple rows of pixels in a long-exposure sub-frame adjacent to the short-exposure sub-frame is small; therefore, the exposure compensation value for performing exposure compensation on the short exposure sub-frame can be determined based on the difference between the exposure quantity and the brightness characteristic between the short exposure sub-frame and the standard sub-frame, so that water ripples in the short exposure sub-frame are removed by performing exposure compensation on the short exposure sub-frame. Based on the short exposure sub-frame after exposure compensation, the imaging quality of the output image generated by image fusion of the electronic equipment is improved, and the user experience is further improved.

This invention belongs to the field of architectural optics and privacy protection technology, specifically relating to a polarization shielding method and system for reducing indoor light exposure at night. The method involves placing a polarizer in the light emission path of an indoor active lighting source to convert the unpolarized light emitted by the source into linearly polarized light; placing an analyzer on the transparent facade of the building; and adjusting the angle between the polarization directions of the polarizer and the analyzer to a preset range, making them approximately orthogonal. This significantly reduces the light intensity emitted from the indoor light source after passing through the polarizer and analyzer and reaching the outside. By moving the polarization control step forward to the light source, this invention overcomes the shortcomings of existing physical shielding technologies that cannot balance privacy and viewing angles, and the reliance on external coordination in existing polarized window technologies. Furthermore, it only requires modification of the light source and glass by applying a film, making it low-cost and easy to implement.

The application discloses an image quality optimization system, method and device, the system comprises an image sensor, an image signal processor, a neural network processor, a controller and a display processing unit; the image sensor is used for transmitting a first original image to the image signal processor, and transmitting a second original image to the neural network processor; the image signal processor is used for determining the exposure of the first original image; the neural network processor is used for determining the first fog concentration according to the second original image; the controller is used for determining the target defogging intensity according to the exposure and the first fog concentration; the image signal processor is further used for performing defogging and noise reduction processing on the first original image according to the target defogging intensity, obtaining a target image, and transmitting the target image to the display processing unit, so that the display processing unit performs display enhancement processing on the target image. The application can optimize system resource consumption, guarantee real-time output of vehicle-mounted images, and realize accurate defogging.