2187 results about "Light emitter" patented technology

A wearable system can include an electronic device configured to measure one or more physiological parameters of a patient and a wearable device configured to operably position the electronic device. The electronic device can have at least one light emitter and at least one light detector and be configured to measure at least a pulse oximetry measurement. The wearable device can have a main body with a cavity configured to position the electronic device, a securement portion connected to the main body and configured to secure the main body to the patient, and storage component configured to store patient identification data associated with the patient. When the electronic device and the wearable device are secured to one another, the patient identification data can be transferred from the wearable device to the electronic device.

A job-site tool in one aspect of the present disclosure includes: a display; a flexible printed circuit; and a control circuit. The display is visible tool from outside and includes at least one surface light emitter. The flexible printed circuit includes conductive traces. The at least one surface light emitter is on the flexible printed circuit and is electrically connected to the conductive traces. The control circuit is electrically connected to the display via the conductive traces.

A safety curtain and system includes multiple light emitters and multiple light receivers to detect traffic approaching a doorway. The safety curtain my include pairs of multiple light emitters and receivers positioned on both sides of a passageway (doorway) so as to detect approaching traffic. The multiple light emitters and light receivers may detect a height of an approaching traffic (e.g., person or vehicle) and initiate warning lights of a possible door closing. The detected approach of traffic may cause the door to be stopped, reversed or slow down. The system may include a computer to monitor the signals from the receivers and may control the motion of the door.

In one or more arrangements, a system is presented for therapeutic light treatment. In one or more arrangements, the system includes a flexible light array pad having an upper surface and a lower surface extending between a forward edge, a rearward edge, and opposing side edges. In one or more arrangements, the flexible light array pad has a plurality of windows formed in the upper surface. In one or more arrangements, the flexible light array pad has a plurality of light emitters positioned respectively in the plurality of windows. In one or more arrangements, the plurality of light emitters are configured to emit light in a plurality of different spectra. In one or more arrangements, the system includes a control system configured to the plurality of light emitters to spectra, intensity, waveforms and / or patterns of therapeutic light generated by the plurality of light emitters.

The invention discloses a lamp and a method for improving the lighting effect of the lamp, the lamp comprises a shell, a light-transmitting piece, a main supporting frame and a light source device, the light source device comprises a mounting substrate and a light emitting body, the mounting substrate is provided with a mounting base surface used for mounting the light emitting body, and the light emitting body is configured to emit light; the position of the light source device is lifted to the mounting base surface to approach to the upper edge of the shell from bottom to top or upwards exceed the upper edge of the shell, so that the upper edge of the shell is prevented from interfering with lateral light rays emitted by the light source device from the light transmitting part; according to the lamp, light rays of a single light source are laterally diffused, the light spots formed by the lamp are larger and are better in uniformity by being matched with avoiding matching of the shell and the light-transmitting piece, so that the lighting effect is improved, and the light sensation of the whole space is better; according to the method for improving the lighting effect of the lamp, the lighting effect is improved by lifting the light-emitting body, so that the mounting base surface of the light-emitting body is upwards close to the upper edge of the shell or upwards exceeds the upper edge of the shell, and lateral light rays can avoid the shell to be spread outwards.

A vehicular driver monitoring system includes a vehicular interior rearview mirror assembly having a mirror head that accommodates a mirror reflective element. A video display is disposed behind the mirror reflective element and operable to display video images captured by a rearward viewing camera of the vehicle. A driver monitoring camera and a near infrared light emitter are accommodated by and move in tandem with the mirror head. The near infrared light emitter is accommodated within the mirror head so that, with the mirror head adjusted relative to the mounting base to set the rearward view of the driver of the vehicle, a beam of near infrared light emitted by the near infrared light emitter is directed toward a driver's region of the vehicle. The driver monitoring camera is disposed adjacent to the video display screen so as to not view through the video display screen.

A method for determining physiological characteristics is provided. The method involves causing light to be emitted by one or more light emitters toward a tissue of a user. The method involves obtaining samples of transmitted and / or reflected light. The method involves determining photoplethysmography (PPG) data based on the obtained samples. The method involves providing the PPG data as an input to a trained machine learning model, wherein the trained machine learning model has been trained, using a training set that comprises matched samples of electrocardiogram (ECG) data and PPG data. The method involves providing a blood pressure of the user based on an output of the trained machine learning model.

Techniques for selectively illuminating regions of an environment are disclosed herein. For example, an autonomous vehicle can include one or more emitter systems (e.g., a headlight(s)) comprising an array of light emitters configured to controllably emit light into an environment. In some examples, a machine learned model(s) may generate configuration signals to control the individual light emitters of an emitter system based at least in part on one or more of sensor data (e.g., lidar data, image data, etc.). In some examples, the machine learned model may generate configuration signals based at least in part on map data. Additional sensor data may be captured after the emitter system is reconfigured and used to control the autonomous vehicle.

The invention provides a method for improving the illumination stability of perovskite through post-treatment. The method comprises the following steps: S1, preparing a perovskite illuminant; s2, grinding and diffusing; and S3, inducing exposure and passivation of photoinduced defects. According to the invention, the light stability of the perovskite illuminant synthesized in a temperature solid state can be improved, so that the perovskite illuminant is applicable to wider application fields.

The invention relates to the technical field of plastic injection molding, in particular to a multi-point glue feeding method for a thick-wall light-emitting body of an automobile tail lamp and an injection molding mold, and the method comprises the steps that product parameters are obtained in response to a detection signal, and a correlation coefficient, a guide angle and a reference track are determined according to the product parameters; injecting the magnetic ball and the detection liquid from a pouring gate position at a guide angle based on a track control method, and collecting a moving track; when the moving track does not coincide with the reference track, an adjusting coefficient is determined according to the moving track and the reference track, and the guide angle is corrected; when the moving track coincides with the reference track, defining the guide angle as a target angle; the injection molding angle is determined according to the target angle and the correlation coefficient, molten plastic is injected from the sprue position, and then a connection image of the product is collected; and the injection molding angle is corrected according to the existence condition of the cross color feature in the connection image. The device has the effect of avoiding color crossing of two materials in a product.

A rod assembly for an umbrella comprises a rod; a lampshade assembly comprising a lampshade and a light strip disposed inside the lampshade. The rod has a groove for receiving and positioning the lampshade, the rod has an opening at a bottom of the groove facing downward. A bottom surface of the lampshade is capable of transmitting lights. One or more illuminants are disposed on the light strip facing one of the two sides of the lampshade. The rod assembly of the present invention is reasonable in structure and convenient to disassemble or assemble, thereby bringing great convenience for daily maintenance. Moreover, since the light strip faces one side of the lampshade to emit light, the single bead spots that are originally dense can be diverged to form a uniform light, achieving a better lighting effect.

A method of manufacturing a light emitting device package and a method of manufacturing a display panel, the method of manufacturing a light emitting device package including forming a semiconductor laminate on a substrate such that the semiconductor laminate has a first conductive semiconductor layer, an active layer, and a second conductive semiconductor layer; separating the semiconductor laminate into semiconductor light emitters, separated from each other, by forming a trench having a predetermined depth in the substrate by etching through the semiconductor laminate in a direction of the first surface of the substrate; forming a molding that fills the trench and insulates the semiconductor light emitters from each other by applying a flexible insulating material to cover the semiconductor light emitters; forming grooves separated from each other by the molding and overlying to the semiconductor light emitters, respectively, by removing the substrate; and forming wavelength converters in the grooves.

Disclosed is a three-dimensional reconstruction method based on kinematic calibration of line structured light point set individualization, and the method includes the following steps: rigidly assembling an area-array camera and a line structured light emitter, and mounting the assembly on a motion platform; calibrating structural parameters of the motion platform of a measuring device by using a reference radius of a standard sphere and line structured light scanned data; registering a spatial position relationship of a line structured light point set by taking a calibrated spherical center position of the standard sphere and the reference radius of the standard sphere as constraints; controlling the five-axis motion platform to move and acquiring scanned data of a measured member under different poses; and completing high-quality three-dimensional model reconstruction of the measured member subjected to multi-pose scanning by using the scanned data and a real-time point cloud registration matrix.

An impact tool includes: a motor; a motor housing portion that houses the motor; a grip portion extending downward from the motor housing portion; a hammer rotated by the motor; an anvil that is impacted by the hammer in a rotation direction; a hammer housing portion that houses the hammer; a prop portion arranged on a front side of the grip portion and extending below the motor housing portion or the hammer housing portion; a battery holding portion which is connected to the grip portion and the prop portion and to which a battery pack is detachably attached; and a light emitter unit that is held at a front portion of the hammer housing portion and includes a plurality of light emitters arranged in the rotation direction around the anvil. A lead wire electrically connected to the light emitter unit passes through an inside of the prop portion.

The invention provides an automatic pool cleaning device and a control method thereof, the automatic pool cleaning device comprises at least one light emitter and at least one image acquisition assembly, and the control method comprises the following steps: controlling the light emitter to emit light to a target area; controlling the image acquisition assembly to receive incident light, wherein the incident light comprises visible light from the target area and the light reflected by the target area; and obtaining area information of the target area according to the incident light. The light emitter is controlled to emit the light to the target area, the image acquisition assembly is controlled to receive the incident light, the area information of the target area is acquired according to the incident light, and effective perception of the area information of the target area is realized.

The invention discloses an intelligent blood oxygen saturation measuring method and device and electronic equipment, and relates to the field of data processing. According to the method, an infrared light emitter is used for emitting a plurality of emitted light rays with different wavelengths; receiving reflected light rays corresponding to the emitted light rays by utilizing a photoelectric receiver, and converting the reflected light rays into photoelectric signals; extracting a time domain characteristic parameter and a frequency domain characteristic parameter of the photoelectric signal; inputting the time-domain characteristic parameters and the frequency-domain characteristic parameters into a preset blood oxygen saturation degree estimation model to obtain a blood oxygen saturation degree estimation value of the to-be-measured individual; and acquiring historical detection data of the to-be-detected individual, and correcting the blood oxygen saturation degree estimated value by adopting a Kalman filtering algorithm based on the historical detection data to obtain a final blood oxygen saturation degree estimated value. By implementing the technical scheme provided by the invention, the accuracy of blood oxygen saturation measurement is improved.

Methods and device for obtaining microscopic digital images, using an emission module, a detection module and an observation zone arranged between said modules, the method comprises arranging a sample in said observation zone and:-determining at least one target light emitter of said emission module;-determining at least one target detection zone of said detection module each zone corresponding to one target light emitter;-activating the target light emitter(s) and reading the light detectors of the target detection zone(s);-determining a plurality of target pixels of said digital image and obtaining each of said target pixels from said reading of said target light detectors;and, iterating until all the image pixels of said digital image are obtained, thus obtaining said microscopic digital image of said sample.

The utility model discloses a combined light source for detection, which comprises a first light-emitting component, a second light-emitting component and a third light-emitting component which are sequentially arranged along the lighting direction, the second light-emitting component is annular, the first light-emitting component is connected with the end face of one end of the second light-emitting component, and the first light-emitting component comprises a plurality of first light-emitting bodies. The first light-emitting bodies are arranged on the outer side of the second light-emitting assembly at intervals in the circumferential direction of the second light-emitting assembly, the third light-emitting assembly is connected with the end face, back to the first light-emitting assembly, of the second light-emitting assembly, and the light emitting end of the third light-emitting assembly is located on the inner side of the second light-emitting assembly. Through the arrangement, under the illumination of the detection combined light source, the definition of the surface of a detected product can be effectively improved, the surface information of the product can be effectively and clearly reflected, the imaging reliability of the detected product can be effectively improved, the surface imaging error of the detected product is further remarkably reduced, and the product quality is improved. Therefore, the accuracy of software image analysis after image capturing is improved.

A light emitting module including a circuit substrate and light emitters arranged side by side thereon. A first light emitter can include a first layer stack, a second light emitter includes a second layer stack, and a third light emitter includes a third layer stack, and each stack can include a first conductivity type semiconductor layer and a second conductivity type semiconductor layer. A light transparent layer can be configured to transmit light emitter by the first, second, and third light emitters, and a reflector including a white material can be located adjacent to the first, second, and third light emitters. A stack direction in each of the first, the second and the third light emitters is not perpendicular to an upper surface of the light transparent layer.

The invention relates to the technical field of ultrasonic sensors, and discloses an optical fiber end face integrated micro-cavity sonic sensor which comprises a seven-core optical fiber, two light propagation waveguides, a coupling waveguide, a supporting assembly, a micro disc, a light emitter and a photoelectric detector, the two light propagation waveguides are arranged on the end face of the seven-core optical fiber, the coupling waveguide is arranged between the two light propagation waveguides, and the supporting assembly is arranged on the end face of the seven-core optical fiber. A supporting assembly is arranged on the end face of the seven-core optical fiber, a micro disc is arranged on the top of the supporting assembly, and the first fiber core and the second fiber core are connected with an external light emitter and an external photoelectric detector respectively. The wavelength of the laser output by the light emitter is locked at the linear slope of the micro-disk harmonic peak, the radius and the effective refractive index of the micro-disk are changed through the action of ultrasonic waves on the micro-disk and vibration, the harmonic peak drifts and the intensity of the output laser is changed, and then the ultrasonic waves are detected; compared with the prior art, ultrasonic waves are detected through a micro-disk resonance and laser sideband locking method, and the problem of electromagnetic interference can be effectively avoided by utilizing the optical principle.

An augmented-reality glasses comprises a plurality of panels of light emitters arranged to form an array of light emitters, wherein the array of light emitters includes light emitters of three colors; collimation optics for collimating light received from the array of light emitters; an optical coupler for receiving the collimated light; and a three-channel waveguide combiner for display of augmented-reality content to a wearer of the augmented-reality glasses, wherein each channel of the three-channel waveguide combiner respectively causes display of images of one color of the three colors generated by the light emitters. In some embodiments, the three-channel waveguide combiner is an optical waveguide with pupil replication and the optical coupler is an in-coupling optical element for coupling the collimated light into the three-channel waveguide combiner.

The invention provides a mixed light source white balance method, device and equipment and a computer readable storage medium, and the method comprises the steps: for any frame of scene image of a mixed light source scene, determining the 3d distance between a target pixel point in the scene image and each illuminant in a plurality of illuminants in the mixed light source scene; determining a white balance parameter when each luminous body independently acts in the mixed light source scene; and traversing each pixel point in the target pixel points, and executing the following operation: determining the corresponding white balance parameter of the pixel point in the mixed light source scene according to the 3d distance between the pixel point and each luminous body and the white balance parameter when each luminous body independently acts in the mixed light source scene. According to the method provided by the invention, the white balance parameter can be accurately and effectively adjusted for the mixed light source scene, so that the quality of the display effect is improved.

Assemblies and methods for disinfecting surfaces using ultraviolet (UV) light are disclosed. In one aspect, a UV light-emitting assembly comprises a plurality of UV light emitters, and first and second UV light emitter supports seating the UV light emitters. A first heat sink is affixed to the first UV light emitter support and a second heat sink is affixed to the second UV light emitter support. A thermally conductive and electrically insulating plate contacts the first heat sink and the second heat sink.

A biometric wearable device (e.g. finger ring or smart watch) has optical sensors to measure body oxygenation level, hydration level, glucose level, heart rate, heart rate variability, and / or blood pressure. Light from light emitters is transmitted through body tissue and changes in the light are analyzed. The angles and / or vectors along which the light is transmitted through body tissue can be automatically changed by the device in order to scan different tissue regions and / or different tissue depths.

A method and device for disinfecting a body of water including the steps of detecting a microbial characteristic of a body of water via a sensor and comparing the microbial characteristic to a target threshold. Upon determining the microbial characteristic is below the target threshold, the method further includes the steps of emitting, via a light emitter in a device, a disinfecting light comprising a wavelength range of 380-420 nanometers (nm) into the body of water, determining, via a controller, a concentration and frequency of chemicals to deposit into the body of water based on the detected microbial characteristic, and depositing, via a mechanism in a device, a chemical into the body of water at the determined concentration and frequency.

A light-emitting traffic cone includes: a cone body, having a hollow space; a base, connected to the cone body; and a light-emitting assembly, disposed on the base, the light-emitting assembly at least including a light-emitting body and a power supply, the light-emitting body being electrically connected to the power supply, and the light-emitting body being disposed at a position corresponding to the hollow space so that light emitted by the light-emitting body can irradiate into the hollow space. The light-emitting traffic cone can improve a warning effect.

The invention provides a light color cast correction method and device based on a target area, and is applied to the technical field of data processing. The method comprises the following steps: acquiring a light original image and a shooting environment parameter through an image acquisition module; a light source point is positioned by using a YOLO algorithm, a white connected domain is extracted by combining an HSV threshold value, a luminous body contour is obtained through closed contour search, and whether correction is needed or not is judged according to the proportion of 80%; a U-Net model with specific parameters is adopted to segment outer-layer halo, and a color reference annular area is obtained through XOR operation; on the basis of pixel data of the region, through formula calculation, abnormal value filtering and class logistic regression function fitting, deducing and compensating an HSV (Hue, Saturation and Value) parameter; and performing non-target area invariance on the color cast area of the inner layer of the light source, and finally outputting a corrected image and verifying the effect, thereby realizing accurate color cast correction.

A light module including a circuit substrate and a light emitter, the light emitter including a light source configured to generate light and including a first epitaxial layer, a second epitaxial layer, and an active layer, an insulation layer covering the light source, a first electrode electrically connected to the first epitaxial layer, a light guide configured to guide light generated from the light source, a transparent material covering the light source, and an angle controller disposed on the transparent material, in which the light guide has a guide hole filled with the transparent material, and a refractive index of the light guide is different from that of the light source.

A method of imaging an internal surface of a conduit, the method including deploying an inspection assembly within an internal volume of a conduit, the inspection assembly having a camera and a lighting array including a plurality of light emitters; illuminating a region of interest on said internal surface using the lighting array; and capturing image data of the region of interest using the camera, the image data including spatial data and intensity data at a plurality of different narrowband wavelength ranges of light.