Abstract: A wireless device is provided and includes a substrate, a first coil and a second coil. The first coil is configured to be wound around a first axis, and the first coil is disposed on the substrate and is configured to operate in a wireless charging mode. The second coil is disposed on the substrate and configured to operate in a wireless communication mode. The wires of the second coil partially overlap the wires of the first coil.

Abstract: A method of manufacturing a positive electrode material has the steps of synthesizing an iron metal in a phosphoric acid solution to form an iron phosphate dispersion solution; adding a vanadium pentoxide (V2O5), a non-ionic surfactant and a carbon source to the iron phosphate dispersion solution; and adding a lithium salt to the iron phosphate dispersion solution and then grinding and dispersing it to produce a positive electrode material. By regulating the timing of the addition of vanadium pentoxide (V2O5), the present invention enables the battery made of the positive electrode material to have the advantage of higher battery performance.

Abstract: A stacked integrated circuit (IC) device and a method are disclosed. The stacked IC device includes a first semiconductor element. The first substrate includes a dielectric block in the first substrate; and a plurality of first conductive features formed in first inter-metal dielectric layers over the first substrate. The stacked IC device also includes a second semiconductor element bonded on the first semiconductor element. The second semiconductor element includes a second substrate and a plurality of second conductive features formed in second inter-metal dielectric layers over the second substrate. The stacked IC device also includes a conductive deep-interconnection-plug coupled between the first conductive features and the second conductive features. The conductive deep-interconnection-plug is isolated by dielectric block, the first inter-metal-dielectric layers and the second inter-metal-dielectric layers.

Abstract: A wafer-level full-color display device and a method for manufacturing the same are provided. In the method, a plurality of LED structures arranged into an array and a peripheral electrode layer surrounding the LED structures are formed on a front side of a wafer substrate. Next, one or more insulating layers are formed to flatten the stepped difference of each of the LED structures and fill up the height difference between the LED structures and the wafer substrate. Afterwards, conductive lines are formed on the one or more insulating layers to provide a reliable electrical connection between the LED structures and the peripheral electrode layer.

Abstract: A water filter cartridge having an ultraviolet sterilizing function and a water purifier are provided. The water filter cartridge includes a housing, a filtering component, a plurality of flow channels, and an ultraviolet module. The housing has an upper chamber and a lower chamber in fluid communication with the upper chamber. The filtering component is disposed in the upper chamber. The flow channels are arranged in the lower chamber and stacked in a multi-layered arrangement. The ultraviolet module includes an ultraviolet light emitting element disposed in the lower chamber.

Abstract: A planar multi-chip device includes a base structure and a plurality of functional chips. The base structure has a central area and a peripheral area outside the central area. The central area includes a first conductive portion arranged therein. The peripheral area includes a plurality of second conductive portions and a plurality of third conductive portions arranged therein and separated from each other. The functional chips are arranged on the base structure, and each of the functional chips has a portion located on and electrically connected to the first conductive portion. At least two of the functional chips are configured to be in signal communication with each other via at least one of the third conductive portions.

Abstract: A vertical type multi-chip device includes a base structure, an intermediate layer, a first functional chip, and a second functional chip. The intermediate layer is disposed on the base structure and has a first signal transmission path and a second signal transmission path. The first functional chip is embedded in the intermediate layer and electrically connected to the base structure. The second functional chip is disposed on the intermediate layer and configured to be electrically connected to the first functional chip via the first signal transmission path and to the base structure via the second signal transmission path.

Abstract: A field programmable gate array (FPGA) for improving the reliability of a key configuration bitstream by reusing a buffer memory includes a configuration buffer, a configuration memory and a control circuit. The configuration memory includes N configuration blocks. The FPGA stores a key configuration chain by using the configuration buffer and ensures correct content of the key configuration chain through an error correcting code (ECC) check function of the configuration buffer, so that when the FPGA runs normally, a control circuit reads the key configuration chain in the configuration buffer at an interval of a predetermined time and writes the key configuration chain into a corresponding configuration block to update the key configuration chain, thereby ensuring accuracy of the content of the key configuration chain and improving running reliability of the FPGA.

Abstract: An LED display screen module includes a module substrate and a plurality of LED package structures. The LED package structures are disposed on the module substrate and arranged into an array. Each of the LED package structures includes a plurality of pixels and a packaging layer. The pixels are spaced apart from each other. The packaging layer includes a plurality of packaging portions and a plurality of connecting portions. The packaging portions respectively cover the pixels, and each of the connecting portions is connected between the adjacent two packaging portions. Each of the packaging portions has an upper light emitting surface and a lateral light emitting surface. The upper light emitting surface is a flat surface and is connected to the lateral light emitting surface via a transitional curved surface.

Abstract: The application is related to a UV LED package structure for improving light extraction efficiency. An UV LED chip is set on a substrate with an anti-flare film for increasing upward light extraction to concentrate the emitted light by an optical element. Because no glue is filled between the UV LED chip and the optical element, it will be prevented the glue from spoiling and deteriorating by the UV light from the UV LED chip. Thereby, the UV LED package structure can prevent from the light performance reducing.

Abstract: A field programmable gate array (FPGA) for improving the reliability of a key configuration bitstream by reusing a buffer memory includes a configuration buffer, a configuration memory and a control circuit. The configuration memory includes N configuration blocks. The FPGA stores a key configuration chain by using the configuration buffer and ensures correct content of the key configuration chain through an error correcting code (ECC) check function of the configuration buffer, so that when the FPGA runs normally, a control circuit reads the key configuration chain in the configuration buffer at an interval of a predetermined time and writes the key configuration chain into a corresponding configuration block to update the key configuration chain, thereby ensuring accuracy of the content of the key configuration chain and improving running reliability of the FPGA.

Abstract: An LED display screen module includes a module substrate and a plurality of LED package structures. The LED package structures are disposed on the module substrate and arranged into an array. Each of the LED package structures includes a plurality of pixels and a packaging layer. The pixels are spaced apart from each other. The packaging layer includes a plurality of packaging portions and a plurality of connecting portions. The packaging portions respectively cover the pixels, and each of the connecting portions is connected between the adjacent two packaging portions. Each of the packaging portions has an upper light emitting surface and a lateral light emitting surface. The upper light emitting surface is a flat surface and is connected to the lateral light emitting surface via a transitional curved surface.

Abstract: The application is related to a UV LED package structure for improving light extraction efficiency. An UV LED chip is set on a substrate with an anti-flare film for increasing upward light extraction to concentrate the emitted light by an optical element. Because no glue is filled between the UV LED chip and the optical element, it will be prevented the glue from spoiling and deteriorating by the UV light from the UV LED chip. Thereby, the UV LED package structure can prevent from the light performance reducing.

Abstract: A movable display device includes a carrying module, a lifting module, a frame module and a display module. The carrying module includes a carrier unit, a base unit disposed on the carrier unit, and a plurality of positioning units disposed on the carrier unit. The lifting module is disposed on the base unit. The frame module includes a primary frame unit movably connected to the positioning units and a plurality of secondary frame units movably connected to the primary frame unit. The primary frame unit has a connecting portion connected to the lifting module. The secondary frame units are respectively located at two sides of the primary frame unit. The display module includes a primary display unit disposed on the primary frame unit and a plurality of secondary display units respectively disposed on the secondary frame units.

Abstract: The present disclosure discloses an experimental apparatus and method for simulating transport of a sand-carrying fluid in a fracturing fracture. The apparatus may include a spiral proppant transport device, a stirred tank, a screw pump, a liquid transport pump, a pressure gauge, a proppant transport and distribution system, a cyclone desander, a waste liquid recycle container, a proppant recycle container, and a fracturing fluid tank. The spiral proppant transport device may be communicated with the stirred tank. The waste liquid recycle container and the fracturing fluid tank may be communicated with the stirred tank via the liquid transport pump. A bottom end of the stirred tank may be communicated with the proppant transport and distribution system through the screw pump. It is possible to simulate the sand-carrying fluid paved under a closure pressure by setting a computer to precisely control a transparent cuboid fracture member including hydraulic tanks.

Abstract: The present disclosure discloses an experimental apparatus and method for simulating transport of a sand-carrying fluid in a fracturing fracture. The apparatus may include a spiral proppant transport device, a stirred tank, a screw pump, a liquid transport pump, a pressure gauge, a proppant transport and distribution system, a cyclone desander, a waste liquid recycle container, a proppant recycle container, and a fracturing fluid tank. The spiral proppant transport device may be communicated with the stirred tank. The waste liquid recycle container and the fracturing fluid tank may be communicated with the stirred tank via the liquid transport pump. A bottom end of the stirred tank may be communicated with the proppant transport and distribution system through the screw pump. It is possible to simulate the sand-carrying fluid paved under a closure pressure by setting a computer to precisely control a transparent cuboid fracture member including hydraulic tanks.

Abstract: A movable display device includes a carrying module, a lifting module, a frame module and a display module. The carrying module includes a carrier unit, a base unit disposed on the carrier unit, and a plurality of positioning units disposed on the carrier unit. The lifting module is disposed on the base unit. The frame module includes a primary frame unit movably connected to the positioning units and a plurality of secondary frame units movably connected to the primary frame unit. The primary frame unit has a connecting portion connected to the lifting module. The secondary frame units are respectively located at two sides of the primary frame unit. The display module includes a primary display unit disposed on the primary frame unit and a plurality of secondary display units respectively disposed on the secondary frame units.

Abstract: Provided are a method and a device for detecting a genetic mutation, and a kit for typing genotypes of a pregnant woman and a fetus. The method comprises: performing high-throughput sequencing on free DNA in a pregnant woman's peripheral blood to obtain sequencing data; comparing the sequencing data with reference genome to obtain SNP sites; performing mixed genotyping on each SNP site to obtain target genotypes for each SNP site; and selecting a mutation site that causes the gene mutation from the genotype of the fetus in the target genotypes.

Abstract: Disclosed are a joint production method and device for aziridine, piperazine and triethylenediamine. The method comprises: reaction 1, preparing piperazine and triethylenediamine by taking ethanol amine as a raw material under the existence of a cyclamine catalyst; reaction 2, preparing aziridine by taking the ethanol amine as the raw material under the existence of a catalyst B; and taking heat released in the reaction 1 as a heat source of heat absorption in the reaction 2. The device comprises a reactor 1 for carrying out the reaction 1 and the heat exchange between reaction materials of the reaction 1 and the raw material of the reaction 2 and a reactor 2 for carrying out the reaction 2.

Abstract: A method of utilizing an audio signal to transmit data for conducting electronic transactions includes in a user device, converting user identification data into a first audio signal and transmitting the first audio signal to a base device; in the base device, converting the first audio signal into the user identification data; in the base device, transmitting the user identification data and transaction content to a server device; and in the server device, obtaining authorization of a validation entity by utilizing the user identification data and the transaction content, for obtaining a transaction number and transmitting the transaction number to the base device.