Abstract: An antenna device, including a case assembly, a first waveguide assembly, and a second waveguide assembly, is provided. A cavity is defined by an interior of the case assembly, and a first side of the case assembly has a slot penetrating the case assembly. At least part of the first waveguide assembly is located within the cavity and is connected to the first side. A projection of the first waveguide assembly to the first side is symmetrically located on two sides of the slot. The second waveguide assembly is located outside the case assembly, is close to the first side, and is connected to the slot. The second waveguide assembly is suitable for transmitting an antenna signal to the cavity through the slot and the first waveguide assembly. The antenna signal resonates in the cavity and radiates outward from a second side of the cavity opposite to the first side.

Abstract: A respiratory status classifying method is for classifying as one of at least two respiratory statuses and includes a training's physiological parameter inputting step, a training's chest image inputting step, a characteristic physiological parameter generating step, a characteristic chest image generating step, a training step and a classifier generating step. The characteristic chest image generating step includes processing at least a part of the training's chest images, segmenting images of a left lung, a right lung and a heart from each of the training's chest images that are processed, and enhancing image data of the images being segmented, so as to generate a plurality of characteristic chest images. The training step includes training a plurality of characteristic physiological parameters and the characteristic chest images by at least one machine learning algorithm.

Abstract: An antenna device is disposed. The antenna device includes a signal cable, a casing, a grounding component, and a metal member. The signal cable includes a signal portion and a grounding portion. The signal cable is fixed on the casing. The grounding portion is connected to the metal member through the grounding component.

Abstract: The disclosure provides an antenna structure including a ground plane, a first coupling antenna and a reference antenna. The first coupling antenna includes a first excitation source connected to the ground plane. The first excitation source is configured to excite a first resonant mode, and the first coupling antenna forms a first zero current area on the ground plane in response to the first resonant mode. The reference antenna includes a second excitation source connected to the ground plane. The second excitation source is configured to excite a second resonant mode, and the reference antenna forms a second zero current area on the ground plane in response to the second resonant mode. The first excitation source is located in the second zero current area, and the second excitation source is located in the first zero current area.

Abstract: An antenna device, including a case assembly, a first waveguide assembly, and a second waveguide assembly, is provided. A cavity is defined by an interior of the case assembly, and a first side of the case assembly has a slot penetrating the case assembly. At least part of the first waveguide assembly is located within the cavity and is connected to the first side. A projection of the first waveguide assembly to the first side is symmetrically located on two sides of the slot. The second waveguide assembly is located outside the case assembly, is close to the first side, and is connected to the slot. The second waveguide assembly is suitable for transmitting an antenna signal to the cavity through the slot and the first waveguide assembly. The antenna signal resonates in the cavity and radiates outward from a second side of the cavity opposite to the first side.

Abstract: An antenna device includes a differential antenna and a first balun. The differential antenna includes a first radiator, a first antenna port and a second antenna port connected to a first surface of the first radiator. Orthographic projections of the first antenna port and the second antenna port projected to the first radiator are symmetrical to a midpoint of the first radiator. The first balun is located on one side of the first surface of the first radiator, and its orthographic projection on the first plane where the first surface is located overlaps the first surface. The first balun includes a first port, a first wiring, a first coupling structure electrically connected to the first antenna port, and a second coupling structure electrically connected to the second antenna port. Neither the first coupling structure nor the second coupling structure directly contacts the first wiring.

Abstract: In one example in accordance with the present disclosure, an electronic device is described. The example electronic device includes a microphone device to record a tracheal sound. The example electronic device also includes an oral expiratory flow sensor to measure oral expiratory flow contents. The example electronic device further includes a processor to determine a health condition based on the tracheal sound and the oral expiratory flow contents.

Abstract: The disclosure provides an antenna structure, including at least one supporting module, a first antenna, and a second antenna. The first antenna is disposed on the at least one supporting module and includes a first feeding point and a first zero-current zone. The first antenna is connected to a ground plane. The second antenna is disposed on the at least one supporting module and includes a second feeding point and a second zero-current zone. The second antenna is connected to the ground plane. The first feeding point of the first antenna is disposed in the second zero-current zone of the second antenna, and the second feeding point of the second antenna is disposed in the first zero-current zone of the first antenna.

Abstract: A light-emitting device, including a first type semiconductor layer, a patterned insulating layer, a light-emitting layer, and a second type semiconductor layer, is provided. The patterned insulating layer covers the first type semiconductor layer and has a plurality of insulating openings. The insulating openings are separated from each other. The light-emitting layer is located in the plurality of insulating openings and covers a portion of the first type semiconductor layer. The second type semiconductor layer is located on the light-emitting layer.

Abstract: A polarizer substrate includes a substrate, a reflective layer, and a metal pattern layer. The reflective layer is located on the substrate and has a transmission area and a reflective area. The metal pattern layer is located on the reflective layer and the substrate. The metal pattern layer includes a polarizer structure and a microstructure. The polarizer structure includes a plurality of grid lines overlapping the transmission area. A thickness of each of the grid lines is 200 nm to 500 nm, a width of each of the grid lines is 30 nm to 70 nm, and a distance between each adjacent two of the grid lines is 30 nm to 70 nm. The microstructure overlaps the reflective area, and a thickness of the microstructure is 20 nm to 500 nm.

Abstract: A power management circuit and system thereof are provided. The power management circuit includes M×N computing units, a first power supply unit, a second power supply unit and N-1 connection interfaces. M and N are both natural numbers greater than 1. The first power supply unit supplies power to the computing units of the Nth row, the computing units of the Nth row supply power to the computing units of the (N-1)th row, respectively, and so on until the computing units of the 2nd row supply power to the computing units of the 1st row, respectively. The second power supply unit supplies power to the M×N computing units, and the N-1 connection interfaces coupled to corresponding computing units of the 1st column of the M×N computing units, respectively.

Abstract: A power supply device includes a power supply housing having an accommodating space and an accommodating opening, a hybrid wire-to-wire connector structure and a circuit board disposed in the accommodating space. The hybrid wire-to-wire connector structure includes a connecting seat and an adapter seat. The connecting seat has a signal line terminal and a power line terminal. The connecting seat is disposed in the accommodating opening through an annular rib. The adapter seat has a signal conduction end and a power conduction end. The adapter seat has formed a hook corresponding to the annular rib. The connecting seat and the adapter seat are combined through the signal conduction end inserted in the signal line terminal, the power conduction end inserted in the power line terminal and the hook clamped with the annular rib. Therefore, the power and signal connectors are integrated so as to simplify the assembly.

Abstract: An active device substrate including a substrate, first metal grid wires, a first transparent conductive layer, a gate insulating layer, a semiconductor layer, a source, and a drain is provided. The first metal grid wires are located on the substrate. The first transparent conductive layer includes a scan line and a gate connected to the scan line. The scan line and/or the gate is directly connected to at least a part of the first metal grid wires. The gate insulating layer is located on the first transparent conductive layer. The semiconductor layer is located on the gate insulating layer and overlapped with the gate. The source and the drain are electrically connected to the semiconductor layer.

Abstract: An electronic device including a first body, a second body, and at least one cavity antenna module is provided. The second body has a pivot side and a plurality of non-pivot sides, and the pivot side is connected pivotally to the first body. The cavity antenna module includes a metal cavity body and a first antenna structure. The metal cavity body is disposed in the second body and has an opening. A distance between one of the non-pivot sides and the metal cavity body is smaller than a distance between the pivot side and the metal cavity body, and the opening faces the one of the non-pivot sides. The first antenna structure is disposed in the opening of the metal cavity body, and the first antenna structure includes a feeding portion, a radiating portion, and a ground portion connected with one another.

Abstract: The invention provides a test kit and a test method using the same. The test kit utilized for detecting the neutralizing antibody against COVID-19 has high sensitivity and specificity. The test kit especially comprises antigen-complex that essentially consists of a receptor binding domain (RBD) located in COVID-19 spike glycoprotein, two N-terminal domains located in COVID-19 spike glycoprotein and a domain between the RBD and the N-terminal domain (NTD). The test kit may quantitatively determine the titer of the neutralizing antibody against COVID-19.

Abstract: In an embodiment, a method for producing optoelectronic semiconductor devices includes applying a temporal spacer to protect a light-exit face of an optoelectronic semiconductor chip by applying a photoresist onto a first carrier, subsequently developing the photoresist in places thereby forming the temporal spacer and subsequently mounting the optoelectronic semiconductor chip onto a side of the temporal spacer facing away from the first carrier, forming a reflector in a lateral direction directly around the optoelectronic semiconductor chip and around the temporal spacer, subsequently removing the temporal spacer so that the reflector extends beyond the light-exit face and applying an optical element onto the reflector so that a gap exists between the light-exit face and a light-entrance face of the optical element.

Abstract: A working temperature calculation method for a storage device of a server is provided. Firstly, n detected temperatures are converted into n transformed temperatures according to a composite temperature algorithm. If all of the n transformed temperatures are lower than a strengthen heat dissipation trigger temperature, the lowest temperature of the n transformed temperatures is set as a working temperature of the storage device. If at least one of the n transformed temperatures is higher than the strengthen heat dissipation trigger temperature, the highest temperature of the n transformed temperatures is set as the working temperature. When the storage device receives a temperature read command from the host, the storage device sends an information about the working temperature to the host, and the host controls a heat dissipation mode of the heat dissipation mechanism according to the working temperature.

Abstract: A working temperature calculation method for a storage device of a server is provided. Firstly, n detected temperatures are converted into n transformed temperatures according to a composite temperature algorithm. If all of the n transformed temperatures are lower than a strengthen heat dissipation trigger temperature, the lowest temperature of the n transformed temperatures is set as a working temperature of the storage device. If at least one of the n transformed temperatures is higher than the strengthen heat dissipation trigger temperature, the highest temperature of the n transformed temperatures is set as the working temperature. When the storage device receives a temperature read command from the host, the storage device sends an information about the working temperature to the host, and the host controls a heat dissipation mode of the heat dissipation mechanism according to the working temperature.

Abstract: A display substrate and a display device are provided. The display substrate includes a base substrate; a first electrode, located on the base substrate; a second electrode, located on the base substrate, an orthographic projection of the second electrode on the base substrate being adjacent to an orthographic projection of the first electrode on the base substrate; and a conductive layer, including a blocking part between opposite side surfaces of the first electrode and the second electrode, the conductive layer being grounded, and every two selected from the group consisting of the first electrode, the second electrode, and the conductive layer being insulated from each other.

Abstract: An antenna device is provided in the disclosure. The antenna device includes a metal component, a signal cable, and a grounding component. The metal component includes a slot. The slot includes an open end and a closed end, and the open end forms an opening at a side of the metal component. The signal cable includes a signal portion and a grounding portion. The signal cable is disposed such that a projection of the signal portion is partially overlapped with the opening. The grounding portion is electrically connected to the metal component through the grounding component.