Abstract: The present invention relates to a wireless communication terminal and a wireless communication method for efficiently scheduling multi-user uplink transmission. To this end, provided are a wireless communication terminal, including: a transceiver; and a processor, wherein the processor is configured to: receive, by the transceiver, a trigger frame that triggers a multi-user uplink transmission, perform a multi-user uplink transmission in response to the received trigger frame, and receive, by the transceiver, an ACK for the multi-user uplink transmission, wherein when the multi-user uplink transmission is performed on a resource unit in which a temporary association identifier (AID) is assigned by the received trigger frame, the processor obtains ACK information for the terminal from the ACK for the multi-user uplink transmission based on the temporary AID and a wireless communication method using the same.

Abstract: A method for displaying time information in an electronic device in a low power state is provided. The method includes transferring a power-off command and a reboot command to the electronic device if a power level of a battery is equal to or less than a first level, setting a power-off flag in a boot loader, entering into a power-off state, and displaying, on a display, current time related information for a predetermined time under the control of the boot loader if a specific event occurs in the power-off state.

Abstract: Disclosed are a display device and operating method thereof. The present invention includes obtaining an image of a vehicle, determining a moving speed of the vehicle based on the obtained image, and outputting an advertising content corresponding to the determined moving speed.

Abstract: A method of downloading a resource in a mobile environment includes detecting an attempt to access at least one server from a mobile terminal, executing a thread for each server to which the attempt to access is made, based on a multi-thread, downloading a resource of the at least one server through the corresponding thread, the resource being compressed based on a file unit, and unpacking the compressed resource, in which the threads are executed in parallel in the order of servers to which the attempt to access is made.

Abstract: An electrical conductor including a first conductive layer including a plurality of ruthenium oxide nanosheets, wherein the plurality of ruthenium oxide nanosheets include an electrical connection between contacting ruthenium oxide nanosheets and at least one of the plurality of ruthenium oxide nanosheets includes a plurality of metal clusters on a surface of the at least one ruthenium oxide nanosheet.

Abstract: A binder includes a third polymer including a cross-linked product of a first polymer and a second polymer, wherein the first polymer includes a first functional group and is at least one selected from a polyamic acid and a polyimide, wherein the second polymer includes a second functional group and is water-soluble, and wherein the first polymer and the second polymer are cross-linked by an ester bond formed by a reaction of the first functional group and the second functional.

Abstract: A multiple battery charger is provided. The multiple battery charger includes an input unit configured to receive or block power from a power supply unit, an output unit including a plurality of output terminals, wherein the plurality of output terminals are commonly connected to the input unit and charge a plurality of batteries, and wherein each of the plurality of output terminals includes at least one of a plurality of second switches for a selective receipt of the power from the input unit and the plurality of output terminals are controlled in a time division multiple control manner, and a switching control unit configured to transmit a pulse width modulation signal to the input unit and the output unit so as to independently control the power applied to the plurality of batteries. Accordingly, a plurality of different kinds of batteries and the same kind of batteries in which charge states are different can be simultaneously charged.

Abstract: The present invention relates to a wireless communication terminal and a wireless communication method for efficiently scheduling simultaneous uplink transmissions of a plurality of terminals. To this end, provided are a wireless communication terminal, the terminal including: a transceiver; and a processor, wherein the processor receives, through the transceiver, a trigger frame transmitted by a base wireless communication terminal, and performs a multi-user uplink transmission based on the received trigger frame, wherein the trigger frame includes a predetermined field indicating whether an additional trigger frame is present or not, and a wireless communication method using the same.

Abstract: A magnetic memory device may include a free magnetic structure and a reference magnetic structure that are separated from each other by a tunnel barrier. The free magnetic structure may include an exchange-coupling layer, and first and second free layers that are separated from each other by the exchange-coupling layer. The first free layer may be provided between the second free layer and the tunnel barrier. A thickness of the first free layer may be greater than a first maximum anisotropy thickness, being the thickness at which the first free layer has maximum perpendicular anisotropy. A thickness of the second free layer may be smaller than a second maximum anisotropy thickness, being the thickness at which the second free layer has maximum perpendicular anisotropy. A magnetic tunnel junction having two free layers with different thicknesses can enable a magnetic memory device that has increased MR ratio and reduced switching current.

Abstract: A display device includes a display panel, a fingerprint recognition sensor on the display panel, and a cover glass on the fingerprint recognition sensor. The cover glass is defined with at least one groove on a surface that faces the display panel.

Abstract: An electrically conductive thin film including: a material including a compound represented by Chemical Formula 1 and having a layered crystal structure, MemAa??Chemical Formula 1 wherein Me is Al, Ga, In, Si, Ge, Sn, A is S, Se, Te, or a combination thereof, and m and a each are independently a number selected so that the compound of Chemical Formula 1 is neutral; and a dopant disposed in the compound of Chemical Formula 1, wherein the dopant is a metal dopant that is different from Me and has an oxidation state which is greater than an oxidation state of Me, a non-metal dopant having a greater number of valence electrons than a number of valence electrons of A in Chemical Formula 1, or a combination thereof, and wherein the compound of Chemical Formula 1 includes a chemical bond which includes a valence electron of an s orbital of Me.

Abstract: A magnetic memory device includes a first magnetic structure on a substrate, a second magnetic structure between the substrate and the first magnetic structure, and a tunnel barrier between the first and second magnetic structures. At least one of the first and second magnetic structures includes a perpendicular magnetic layer on the tunnel barrier, and a polarization enhancement layer interposed between the tunnel barrier and the perpendicular magnetic layer. Here, the polarization enhancement layer contains cobalt, iron, and at least one of the elements of Group IV, and the polarization enhancement layer has a magnetization direction perpendicular to or substantially perpendicular to a top surface of the substrate.

Abstract: Example embodiments relate to magnetic memory devices and methods for manufacturing the same. The magnetic memory device includes a magnetic tunnel junction layer including a first magnetic layer, a second magnetic layer, and a first tunnel barrier layer between the first and second magnetic layers. The second magnetic layer is disposed on the first tunnel barrier layer and is in direct contact with the first tunnel barrier layer. The second magnetic layer includes cobalt-iron-beryllium (CoFeBe). A beryllium content of CoFeBe in the second magnetic layer ranges from about 2 at % to about 15 at %.

Abstract: A silver powder includes a large number of particles. The particles include polyhedral particles 2. The ratio P1 of the number of the polyhedral particles 2 to the total number of the particles is equal to or greater than 80%. Each polyhedral particle 2 has a body containing silver as a main component, and a coating layer covering a surface of the body and containing organic matter as a main component. Each polyhedral particle 2 has an aspect ratio of equal to or less than 3.0. The content P2 of the organic matter in the silver powder is preferably equal to or less than 0.5% by weight. The silver powder preferably has a median diameter D50 of equal to or less than 0.5 ?m. The silver powder preferably has a tap density TD of equal to or greater than 5.0 g/cm3.

Abstract: A cascode switch circuit includes a first transistor, a second transistor, and a protector. A first transistor receives a signal from a first terminal through a first end and transfers the signal to a second end in response to a first control signal. A second transistor delivers the signal that the first transistor transfers to a second terminal in response to a second control signal. A protector is connected between a gate of the first transistor and the second terminal. The first control signal is provided to allow the first transistor to operate in a normally-on state. The second control signal is provided to allow the second transistor to operate in a normally-off state.

Abstract: Example embodiments relate to magnetic memory devices and methods for manufacturing the same. The magnetic memory device includes a magnetic tunnel junction layer including a first magnetic layer, a second magnetic layer, and a first tunnel barrier layer between the first and second magnetic layers. The second magnetic layer is disposed on the first tunnel barrier layer and is in direct contact with the first tunnel barrier layer. The second magnetic layer includes cobalt-iron-beryllium (CoFeBe). A beryllium content of CoFeBe in the second magnetic layer ranges from about 2 at % to about 15 at %.

Abstract: [Object] To provide fine particles 2 having good printing characteristics, good thermal conductivity, and good electrical conductivity. [Solution] The fine particles 2 are flake-like. A main component of the fine particles 2 is an electrically conductive metal. A typical metal is silver. A particle diameter D50 of particles including a large number of the fine particles 2 is equal to or greater than 0.10 ?m but equal to or less than 0.50 ?m, a particle diameter D95 of the particles is equal to or less than 1.00 ?m, and a maximum particle diameter Dmax of the particles is equal to or less than 3.00 ?m. A particle diameter D10 of the particles is equal to or greater than 0.05 ?m. A BET specific surface area of the particles is equal to or greater than 2.0 m2/g. A tap density TD of the particles is equal to or greater than 2.0 g/cm3. An average Tave of thicknesses of the fine particles 2 is equal to or less than 0.05 ?m.

Abstract: Provided is a wireless communication terminal including a transceiver for transmitting/receiving a wireless signal and a processor for controlling an operation of the wireless communication terminal. The transceiver receives a first frame indicating information on a resource that a base wireless communication terminal allocates to a plurality of wireless communication terminals from the base wireless communication terminal, and transmits data to the base wireless communication terminal based on the first frame. The plurality of wireless communication terminals include the wireless communication terminal.