Abstract: A silicon carbide semiconductor power transistor includes a substrate made of SiC, a drift layer on a plane of the substrate, well regions in the drift layer, source regions within the well regions, gates on the drift layer, a gate insulation layer between the drift layer and each of the gates, and well pick-up regions in the drift layer. V-grooves are formed in the drift layer, and a bottom and sidewalls of each of the V-grooves is surround by each of the well regions. The bottom of each of the V-grooves is in direct contact with each of the source regions. The gates are between the V-grooves and extend to the sidewalls of the V-grooves on both sides thereof. The well pick-up regions are below the bottom of each of the V-grooves, and each of the well pick-up regions passes through the source regions and contacts with the well regions.

Abstract: An imaging lens module includes an optical element holder being one-piece formed, a lens element and a light folding component corresponding to the lens element. Each of two side surfaces of the optical element holder has a light through hole, and light passes through the optical element holder via the light through holes. The optical element holder includes a lens element accommodation portion and a folding component accommodation portion respectively for the lens element and the light folding component to be disposed therein. The light folding component includes a light receive surface, a first reflection surface and a light exit surface. The light enters the light folding component from the light receive surface, the first reflection surface is configured to reflect the light coming from the light receive surface so as to redirect the light, and the light exits the light folding component from the light exit surface.

Abstract: A silicon carbide semiconductor power transistor and a method of manufacturing the same. The silicon carbide semiconductor power transistor of the disclosure includes a substrate made of silicon carbide (SiC), a drift layer disposed on the substrate, a gate layer formed on the drift layer, a plurality of first and second well pick-up regions disposed in the drift layer, a plurality of source electrodes, and a plurality of contacts. A plurality of V-grooves is formed in the drift layer. A first opening is formed in the gate layer at a bottom of each of the V-grooves, and a second opening is formed in the gate layer at a top of the drift layer between the V-grooves. The plurality of contacts is disposed inside the second opening to be in direct contact with the second well pick-up regions.

Abstract: A smart antenna switching method is disclosed. Multiple wireless signal parameters of a wireless network environment are collected. Under a current operating phase, when a holding period of a to-be-switched antenna is 0, the qualities of wireless signals between an initial antenna and the to-be-switched antenna are compared according to the wireless signal parameters. When a comparing period of the to-be-switched antenna is 0, it is determined whether an antenna switching operation is performed. If the antenna switching operation is not performed, the next operating phase is served as the current operating phase. If the antenna switching operation is performed, a signal receiving-and-sending operating is switched from the to-be-switched antenna to the outdoor antenna or from the outdoor antenna to the to-be-switched antenna, and the previous operating phase is served as the current operating phase.

Abstract: An electronic device is provided. The electronic device includes a frame, a signal trigger fixed inside the frame, and a button penetrating the frame. The button includes a button post, an elastic cushion, and a button cap. The button post penetrates the frame to be adjacent to the signal trigger. The elastic cushion is fixed to an end of the button post away from the signal trigger. The button cap is fixedly connected to a side of the elastic cushion away from the button post. The elastic cushion is connected between the button post and the button cap, and the button cap can move relative to the button post due to elastic deformation of the elastic cushion.

Abstract: An illumination system including an excitation light source, a wavelength converting element, and a region-based light splitter is provided. The excitation light source provides an excitation beam. The wavelength converting element is disposed on a transmission path of the excitation beam to convert the excitation beam into an excited beam. The region-based light splitter is disposed on the transmission path of the excitation beam and includes at least one first region and at least one second region. The first region reflects the excitation beam and allows the excited beam to pass through. The second region allows the excitation beam and the excited beam to pass through. The excitation beam reflected by the region-based light splitter is transmitted toward the wavelength converting element. A projection apparatus including the illumination system is also provided.

Abstract: Methods, systems, and apparatus including computer programs encoded on a computer storage medium, for retrieving image search results using embedding neural network models. In one aspect, an image search query is received. A respective pair numeric embedding for each of a plurality of image-landing page pairs is determined. Each pair numeric embedding is a numeric representation in an embedding space. An image search query embedding neural network processes features of the image search query and generates a query numeric embedding. The query numeric embedding is a numeric representation of the image search query in the same embedding space. A subset of the image-landing page pairs having pair numeric embeddings that are closest to the query numeric embedding of the image search query in the embedding space are identified as first candidate image search results.

Abstract: A method for providing better connecting signals is disclosed. Coordinates of multiple mobile terminals are obtained. Distances between a mobile Wi-Fi (MIFI) device and the mobile terminals are calculated according to received signal strength indicator (RSSI) values between the mobile terminals and the MIFI device, and a relative coordinate of the MIFI device is then calculated based on the distances. Unit vectors of the mobile terminals relative to the MIFI device are calculated according to the relative coordinate of the MIFI device and the coordinates of the mobile devices. Reference signal receiving power (RSRP) values of the mobile terminals are calculated and are multiplied by the unit vectors to obtain RSRP vectors of the mobile terminals. The RSRP vectors are added up to generate a position where the MIFI device moves to a base station.

Abstract: A merged PiN Schottky (MPS) diode includes a substrate, a first epitaxial layer of a first conductivity type, doped regions of a second conductivity type, a second epitaxial layer of the first conductivity type, and a Schottky metal layer. The first epitaxial layer is disposed on the first surface of the substrate. The doped regions are disposed in a surface of the first epitaxial layer, wherein the doped regions consist of first portions and second portions, the first portions are electrically floating, and the second portions are electrically connected to a top metal. The second epitaxial layer is disposed on the surface of the first epitaxial layer, wherein trenches are formed in the second epitaxial layer to expose the second portions of the doped regions. The Schottky metal layer is conformally deposited on the second epitaxial layer and the exposed second portions of the doped regions.

Abstract: A distance sensing module includes a first substrate, an upper cover, a light-emitting unit, and at least one sensing pixel. The upper cover is disposed on the first substrate to form an accommodating space. The light-emitting unit is disposed at an emitting end in the accommodating space. The sensing pixel is disposed at a receiving end in the accommodating space and includes a second substrate disposed in the accommodating space and having a top surface, sensing areas disposed in the second substrate and exposed on the top surface, a light guide layer including light guide structures having first sides connected to a light transmission layer and second sides coupled to the sensing areas, a lens layer including at least one lens, and the light transmission layer between the light guide layer and the lens layer. The light guide layer is between the second substrate and the light transmission layer.

Abstract: A system and method for bi-directional direct current (DC) charging in electric vehicle supply equipment (EVSE) is disclosed. The system receives from power source managing subsystem, via plurality of power sources, electricity inputs corresponding to at least one of variable DC electricity input and relatively fixed DC input voltage comprising plurality of wide DC input voltage ranges. The system displays, via user interface associated with EVSE, selectable options to user. Further, system determines at least one of charging schema for charging operation, appropriate charging mode in plurality of charging modes, and discharging schema for the discharging operation using at least one of artificial intelligence (AI) techniques and machine learning (ML) techniques, based on power source information, and power demands. Further, the system executes, upon receiving the generated DC electricity, at least one of charging operation, appropriate charging mode, and discharging operation, based on power demands.

Abstract: An electronic device is provided. The electronic device includes a bracket, a supporting member, a fastener and a processor module. The bracket includes a slot. In a fixed state, the fastener is adapted to affix the supporting member in the slot. In an adjustment state, the supporting member is adapted to be slid relative to the slot. The supporting member is connected to the processor module to restrict the processor module.

Abstract: A method and apparatus include receiving, by a device, medical information associated with a user. Inquiry information is determined based on the medical information associated with the user and a reinforcement learning model. The inquiry information is provided to permit response information to be received. The response information is received based on providing the inquiry information. Diagnosis information is determined based on the medical information and the response information using a machine learning model. The diagnosis information is provided to a set of devices via a network.

Abstract: A biosensing chip is provided, including a substrate having a photoelectric conversion material, and an electrode disposed on the substrate and including two contact portions and an electrode pattern, wherein the photoelectric conversion material is a monocrystalline silicon material, and the electrode pattern includes micro-electrodes in the form of interdigitated sawtooth. The biosensing chip and the method using the same may distinguish a lesion site of cancer cells and the degree of cancer lesions.

Abstract: A real-world view display method applied to a video pass-through system, wherein the video pass-through system includes at least one grayscale camera, a color camera and at least one processor. The real-world view display method includes: by the at least one grayscale camera, capturing at least one grayscale image of a physical environment for generating a grayscale pass-through view corresponding to the physical environment; by the color camera, capturing at least one color image of the physical environment; and by the at least one processor, processing the grayscale pass-through view according to the at least one color image to render a color pass-through view in an immersive content, wherein the color pass-through view is corresponding to the physical environment.

Abstract: An ultrasound imaging device and system, and an image enhancement method for ultrasound radiography and imaging. Image enhancement coefficients of location points in a examined biological tissue are computed first according to radiography channel data, and then, weighted processing is performed on the image enhancement coefficients and beam forming data.

Abstract: A method and apparatus are provided that includes, in a same framework, storing an artificial intelligence (AI) model, loading the AI model into a serving platform, loading and testing a test unit against the AI model loaded into the serving platform, and collecting reports from results of storing the AI model, loading the AI model into the serving platform and testing the test unit.

Abstract: Some embodiments provide a method for forwarding data messages at multiple edge nodes of a logical network that process data messages between a logical network and an external network. At a particular one of the edge nodes, the method receives a data message sent from a source machine in the logical network. The method performs network address translation to translate a source network address of the data message corresponding to the source machine into an anycast network address that is shared among the edge nodes. The method sends the data message with the anycast network address as a source network address to the external network. Each edge node receives data messages from source machines in the logical network and translates the source addresses of the data messages into the same anycast public network address prior to sending the data messages to the external network.

Abstract: A wide-band gap semiconductor device and a method of manufacturing the same are provided. The wide-band gap semiconductor device of the disclosure includes a substrate, an epitaxial layer, an array of merged PN junction Schottky (MPS) diode, and an edge termination area surrounding the array of MPS diode. The epitaxial layer includes a first plane, a second plane, and trenches between the first plane and the second plane. The array of MPS diode is formed in the first plane of the epitaxial layer. The edge termination area includes a floating ring region having floating rings formed in the second plane of the epitaxial layer, and a transition region between the floating ring region and the array of MPS diode. The transition region includes a PIN diode formed in the plurality of trenches and on the epitaxial layer between the trenches.

Abstract: An illumination system and a projection apparatus are provided. The illumination system includes an excitation light source, a light guiding element, a filter module, an optical wavelength conversion module, and a homogenizing element. The light guiding element reflects an excitation beam coming from the excitation light source. The filter module includes a filtering region and receives the excitation beam reflected by the light guiding element. The optical wavelength conversion module includes a wavelength conversion region, receives the excitation beam reflected by the filtering region and reflects a conversion beam converted from the excitation beam. The conversion beam forms at least one color beam after passing through the filtering region of the filter module. The homogenizing element receives the excitation beam coming from the filter module and the at least one color beam. An incident angle of the excitation beam on the light guiding element is ?1, and ?1>0°.