Abstract: A semiconductor substrate is provided in the present disclosure. The semiconductor substrate includes a first semiconductor layer and a second semiconductor layer on the first semiconductor layer. The first semiconductor layer has a first lattice constant (L1) and the second semiconductor layer has a second lattice constant (L2). A ratio of a difference (L2-L1) between the second lattice constant (L2) and the first lattice constant (L1) to the first lattice constant (L1) is greater than 0.036.

Abstract: A light-emitting device is provided, which includes a first semiconductor structure, an active structure, a second semiconductor structure, and a first blocking layer. The first semiconductor structure has a first conductivity type. The active structure is on the first semiconductor structure and has a first dopant. The second semiconductor structure is on the active structure and has a second conductivity type different from the first conductivity type. The first blocking layer is between the second semiconductor structure and the active structure. The first blocking layer has the first dopant with a first doping concentration decreasing along a depth direction from the second semiconductor structure to the first semiconductor structure.

Abstract: Light systems and light fixtures are described herein. In one embodiment, a light system may include a light fixture, a first diffuser attached to the light fixture, where the first diffuser and the light fixture define a cavity, a first LED producing ambient light within the cavity, and a second LED producing directional light in the cavity, where the first diffuser is adapted or configured to receive the ambient light and the directional light and emit the ambient light and the directional light external to the light system. In another embodiment, a light fixture may include a first LED subsystem including a first LED and a diffuser, the first LED subsystem adapted or configured to produce ambient light, a second LED subsystem including a second LED and a reflector, the second LED subsystem adapted or configured to produce directional light, where the directional light passes through the diffuser.

Abstract: The present disclosure discloses a method and apparatus for filtering glints. The method includes that: a first image and a reference image matched with the first image are acquired, and first-type glints are displayed in the first image; second-type glints in the first image are determined according to the reference image, and the second-type glints are glints obtained by estimating glints in the first image on the basis of the reference image; a matching result of the first-type glints and the second-type glints is determined according to first positions of the first-type glints and second positions of the second-type glints; and the first-type glints are filtered according to the matching result.

Abstract: The present application discloses a first display substrate including a plurality of core-coil assemblies configured to detect a touch. Each of the plurality of core-coil assemblies includes a first base substrate; a core layer on the first base substrate and including a plurality of magnetic permeable cores substantially along a first direction and spaced apart from each other, each of the plurality of magnetic permeable cores substantially along a second direction; and a conductive coil wound around the plurality of magnetic permeable cores for multiple turns and insulated from the core layer.

Abstract: A light fixture for waveguided ambient light is described herein. In one embodiment, the light fixture includes an LED light source for emitting light rays, a waveguide optically coupled to the LED light source to receive and guide the emitted light rays from a proximal end of the waveguide to a distal end of the waveguide, a first indirect lighting surface configured to receive a first portion of the emitted light rays and reflect the first portion at a first distribution to produce a first ambient light source, and a second indirect lighting surface configured to receive a second portion of the emitted light rays and reflect the second portion at a second distribution to produce a second ambient light source.

Abstract: The present application discloses a first display substrate including a plurality of core-coil assemblies configured to detect a touch. Each of the plurality of core-coil assemblies includes a first base substrate; a core layer on the first base substrate and including a plurality of magnetic permeable cores substantially along a first direction and spaced apart from each other, each of the plurality of magnetic permeable cores substantially along a second direction; and a conductive coil wound around the plurality of magnetic permeable cores for multiple turns and insulated from the core layer.

Abstract: A method for generating a digital identity is provided, including: extracting a first preset number of short tandem repeat STRs and relevant information of each STR from whole genome data; generating a single STR digital code corresponding to each STR according to the relevant information of each STR, to obtain a plurality of single STR digital codes; performing sequence transformation on each single STR digital code with a preset rule, and generating a target STR digital code according to the single STR digital code after the sequence transformation; generating summary information of the target STR digital code, and determining the summary information as summary information of the STR to which the target STR digital code belongs; and determining the summary information of the STR as the generated digital identity.

Abstract: The disclosure discloses a calibration method and device, a storage medium and a processor. The method includes that: a calibration point is controlled to move on a predetermined motion track; a gaze track of a target object is acquired in a movement process of the calibration point; and a specified parameter is calibrated according to the predetermined motion track and the gaze track, the specified parameter is configured to predict a gaze point of the target object.

Abstract: A Cardamine hupingshanensis selenium-enriched Chinese yellow rice wine and a production method are provided. The production method is performed as follows. Fresh C. hupingshanensis is selected, followed by preparing the C. hupingshanensis into a juice containing effective components of C. hupingshanensis, or C. hupingshanensis powder. Glutinous rice raw materials are soaked in clear water, followed by taking out and steaming to obtain steamed glutinous rice. The steamed glutinous rice is cooled and mixed with distillers' yeast for pre-fermentation, after a temperature of fermented material rising to a harrowing temperature, a pre-fermented product is obtained by harrowing regularly. A post-fermentation is performed, followed by performing a pressure filtration. A pressure filtrate is put aside for clarification, followed by filtering and sterilizing, then adding the juice. Alternatively, the C.

Abstract: The present invention discloses a dynamic diagnosis system and method for concrete damage based on a distributed sensing optical fiber.

Abstract: Disclosed is a method and apparatus for determining a position of a pupil. The method includes: acquiring an image to be detected including a pupil; acquiring a binary image of a preset area based on a preset model of semi-supervised learning, where the preset area is an area where the pupil is located in the image to be detected; acquiring a centroid of the binary image; and determining a central position of the pupil according to the centroid of the binary image.

Abstract: An imaging lenses and an imaging device are provided, the imaging lenses includes a first imaging lens, a second imaging lens and a third imaging lens which are arranged at intervals in sequence, wherein the first imaging lens, the second imaging lens and the third imaging lens satisfy 1.0<Fno1<Fno2<Fno3<3.0; 5.0 mm>F1>F2>F3>1.0 mm; P1<P2<P3; wherein Fno1 is an aperture number of the first imaging lens, Fno2 is an aperture number of the second imaging lens, Fno2 is an aperture number of the third imaging lens, F1 is an effective focal length of the first imaging lens, F2 is an effective focal length of the second imaging lens, F3 is an effective focal length of the third imaging lens. The disclosure solves the problem in the related art that a resolution of light of 3D structure the imaging device is low in a distant scene.

Abstract: The present disclosure relates to a waveguide-based augmented reality display apparatus, which includes an image source alternately displaying an image at a preset frequency and correspondingly generates a first polarized light and a second polarized light; a single waveguide being spaced from the image source; a first in-coupling device, arranged on one side of the waveguide and configured to couple the first polarized light into the waveguide; a second in-coupling device, arranged on the other side of the waveguide and configured to couple the second polarized light into the waveguide; an out-coupling device, arranged on the waveguide and configured to alternately couple out a first sub-image and a second sub-image in a preset area. The first and second sub-images are alternately displayed, and are fused and superimposed in human eyes due to a persistence of vision, thereby increasing a field of view and an image resolution.

Abstract: The present disclosure relates to a waveguide augmented reality display apparatus, including: an image source for displaying an image and generating a first light beam and a second light beam with different optical properties according to data of the displayed image; a single waveguide spaced from the image source; a first in-coupling device and a second in-coupling device arranged on the waveguide away for coupling the first light beam and the second light beam into the waveguide respectively; and an out-coupling device, arranged on the waveguide for coupling out the first light beam and the second light beam propagating in the waveguide in a same preset area. The apparatus can realize the superposition of two different fields of view through a single waveguide, significantly increase the field of view on the premise of ensuring the compact structure of the apparatus, and is conducive to improving the user experience.

Abstract: Light systems and light fixtures are described herein. In one embodiment, a light system may include a light fixture, a first diffuser attached to the light fixture, where the first diffuser and the light fixture define a cavity, a first LED producing ambient light within the cavity, and a second LED producing directional light in the cavity, where the first diffuser is adapted or configured to receive the ambient light and the directional light and emit the ambient light and the directional light external to the light system. In another embodiment, a light fixture may include a first LED subsystem including a first LED and a diffuser, the first LED subsystem adapted or configured to produce ambient light, a second LED subsystem including a second LED and a reflector, the second LED subsystem adapted or configured to produce directional light, where the directional light passes through the diffuser.

Abstract: A light fixture for waveguided ambient light is described herein. In one embodiment, the light fixture includes an LED light source for emitting light rays, a waveguide optically coupled to the LED light source to receive and guide the emitted light rays from a proximal end of the waveguide to a distal end of the waveguide, a first indirect lighting surface configured to receive a first portion of the emitted light rays and reflect the first portion at a first distribution to produce a first ambient light source, and a second indirect lighting surface configured to receive a second portion of the emitted light rays and reflect the second portion at a second distribution to produce a second ambient light source.

Abstract: A light fixture for waveguided ambient light is described herein. In one embodiment, the light fixture includes an LED light source for emitting light rays, a waveguide optically coupled to the LED light source to receive and guide the emitted light rays from a proximal end of the waveguide to a distal end of the waveguide, a first indirect lighting surface configured to receive a first portion of the emitted light rays and reflect the first portion at a first distribution to produce a first ambient light source, and a second indirect lighting surface configured to receive a second portion of the emitted light rays and reflect the second portion at a second distribution to produce a second ambient light source.

Abstract: The disclosure provides an optical imaging lens, which sequentially includes, from an object side to an image side: a first lens with positive focal power; a second lens with negative focal power; a third lens with positive focal power; a fourth lens with focal power; a fifth lens with focal power; a sixth lens with focal power, an object-side surface of which is a convex surface and an image-side surface of which is a concave surface; and a seventh lens with negative focal power, an image-side surface of which is a concave surface. An Entrance Pupil Diameter (EPD) of the optical imaging lens and an effective focal length f of the optical imaging lens meet 1.4<f/EPD<1.98 an air space T23 between the second lens and the third lens on an optical axis and an air space T34 between the third lens and the fourth lens on the optical axis meet 0.1<T23/T34<0.3.

Abstract: A light fixture for waveguided ambient light is described herein. In one embodiment, the light fixture includes an LED light source for emitting light rays, a waveguide optically coupled to the LED light source to receive and guide the emitted light rays from a proximal end of the waveguide to a distal end of the waveguide, a first indirect lighting surface configured to receive a first portion of the emitted light rays and reflect the first portion at a first distribution to produce a first ambient light source, and a second indirect lighting surface configured to receive a second portion of the emitted light rays and reflect the second portion at a second distribution to produce a second ambient light source.