Abstract: present disclosure A positive electrode active material and a method for preparing the same are provided. The method for preparing a positive electrode material present disclosure—includes the steps of mixing a transition metal precursor and a lithium raw material and primarily sintering the mixture to prepare a lithium nickel-based oxide in the form of single particles or quasi-single particles, secondarily sintering the lithium nickel-based oxide in the form of single particles or quasi-single particles, and mixing the secondarily sintered lithium nickel-based oxide and a boron raw material and then heat-treating the mixture to form a coating layer.

Abstract: A display device includes a pixel defining layer on a substrate and including a bank including first through third bank layers, in order from the substrate, an inorganic pixel defining layer between the bank and the substrate, and the bank together with the inorganic pixel defining layer defining a light emission opening, an a light emitting element in the light emission opening. Each of the first and third bank layers has a side surface which defines the light emission opening, the third bank layer protrudes further than the side surface of the first bank layer to define a tip of the third bank layer which defines the side surface of the third bank layer, and the side surface of the third bank layer is inclined relative to the substrate and defines an inclined side surface of the third bank layer.

Abstract: Provided is a display device that controls brightness using a plurality of PWM source signals. The display device includes a display panel including a plurality of pixels forming a plurality of rows and a plurality of columns, and a PWM driving circuit including a unit driving circuit connected to each of a plurality of lines corresponding to the plurality of rows or the plurality of columns, wherein the PWM driving circuit sequentially applies PWM signals output from the unit driving circuits to the plurality of lines to control the brightness of the plurality of pixels for each line the brightness of the plurality of pixels may be controlled for each line.

Abstract: Disclosed are a method and device for bidirectional communication in a wireless LAN. The method of a first STA comprises the steps of: receiving, from an AP, a first frame including an information element indicating TXOP sharing; confirming a shared TXOP duration on the basis of the first frame; and communicating with a second STA within the shared TXOP duration.

Abstract: A method and apparatus for NSTR communication in a communication system supporting multiple links are disclosed. A method for a first device comprises the steps of: if a first backoff operation has succeeded on a first link belonging to a first pair of NSTR links on which an STR operation of a second device is not supported, transmitting a first data frame to the second device on the first link; performing a second backoff operation for transmission of a second data frame on a second link belonging to the first pair of NSTR links; if the second backoff operation has succeeded on the second link, identifying whether or not a transmission operation of the second device is performed on the first link belonging to the pair of NSTR links; and transmitting the second data frame to the second device on the second link.

Abstract: An adapter device for a vehicle includes a rail unit installed in the vehicle and defining a moving path, and an adapter unit mounted on the rail unit to move along the moving path, with a connector for mounting various convenience equipment being interchangeably coupled to the adapter unit.

Abstract: A method and a device for direct communication in a communication system supporting multiple links are disclosed. A method of an AP MLD comprises the steps of: transmitting a trigger frame in multiple links including a first link and a second link; receiving a response frame for the trigger frame from a first STA associated with an STA MLD in the first link; receiving a first data frame from a third STA in the second link; and when a subject to receive the first data frame is a second STA associated with the STA MLD, transmitting a second data frame generated on the basis of the first data frame, to the first STA in the first link.

Abstract: A lung phantom unit for radiotherapy according to an embodiment of the present disclosure may arrange, at a location not affected by a magnetic field, a phantom driving cylinder and a driving device which may move a lung mimic and a tumor mimic in a lung simulation block. The lung phantom unit may be used for general purpose even as a phantom for MRI-based and CT image-based radiotherapy. Since lung and tumor motions are implemented by air injection, it may be possible to precisely measure the motion and volume change of a lung according to subtle changes in air pressure so that customized radiotherapy suitable for a patient having various breathing patterns is possible.

Abstract: A system for docking a vehicle to a building, wherein the vehicle functions as a space of the building when the vehicle is connected thereto, and wherein the building includes at least one station inside or outside thereof such that the vehicle can dock at the at least one station, includes a server configured to check whether the at least one station is available to allow a user to select a station for a vehicle, to select the station randomly when the user does not select the station, and when the vehicle is docked at the selected station, to connect the vehicle to the selected station in wired or wireless manner to manage use of the selected station.

Abstract: A wafer transfer apparatus includes a plate, a first belt unit on a first surface of the plate and including a first linear motion (LM) guide movable up and down, a second belt unit on the first surface of the plate and including a second LM guide movable up and down, a robot between the first belt unit and the second belt unit connected to the first LM guide and the second LM guide, and configured to transfer a wafer in a vertical direction, and a buffer unit between the first belt unit and the second belt unit in a first direction and disposed between the plate and the robot in a second direction perpendicular to the first direction, wherein the buffer unit includes a plurality of centrifugal fans configured to discharge fluid from an inner space of the buffer unit to an outside of the buffer unit.

Abstract: An in-vehicle video system and control method thereof, includes a display provided on an internal surface of a vehicle and configured to display a screen by receiving a video signal, a transfer unit provided on an internal side of the display with respect to the vehicle and configured to slide along a fixing member fixed to a floor of the vehicle on a frontward and rearward direction or a left and right direction of the vehicle within the vehicle, and a controller configured to determine a movement direction and a movement position of the transfer unit sliding in the frontward and rearward direction or the left and right direction and control the display and the transfer unit to transition the screen of the display in accordance with a movement path of the transfer unit based on the movement direction and the movement position of the transfer unit.

Abstract: A method of preparing a positive electrode active material for a lithium secondary battery which includes: (1) mixing a lithium composite transition metal oxide in a form of a single particle or pseudo-single particle with a cobalt-containing raw material and performing a heat treatment to form a cobalt coating layer on a surface of the lithium composite transition metal oxide; and (2) mixing the lithium composite transition metal oxide having the cobalt coating layer formed thereon with a boron-containing raw material and performing a heat treatment to form a boron coating layer on the cobalt coating layer. A positive electrode active material for a lithium secondary battery which is prepared thereby, is also provided.

Abstract: A method and a device for shard communication in a wireless LAN are disclosed. A method of a first STA comprises the steps of: receiving a first frame for allocation of a shared communication period from an AP; identifying the shared communication period on the basis of one or more fields included in the first frame; and performing shared communication with a second STA in the shared communication period, wherein the shared communication period is configured within a TXOP configured between the AP and a third STA.

Abstract: A satellite antenna positioner having a satellite tracking function according to the present invention relates to a satellite antenna positioner which has a satellite tracking function, supports an antenna, and is configured to direct the antenna on the basis of a satellite reception signal, the satellite antenna positioner comprising: a first motor for generating a driving force for adjusting an elevation angle of the antenna; a second motor for generating a driving force for adjusting an azimuth angle of the antenna; and a control module for controlling the first motor and the second motor on the basis of the sensitivity of the satellite reception signal, wherein the control module calculates an average value of satellite reception signals received in the process of driving at least one of the first motor and the second motor during a preset time, and controls at least one of the first motor and the second motor on the basis of the average value of the satellite reception signals.

Abstract: An example electronic device includes a housing; a touchscreen display; a microphone; at least one speaker; a button disposed on a portion of the housing or set to be displayed on the touchscreen display; a wireless communication circuit; a processor; and a memory. When a user interface is not displayed on the touchscreen display, the electronic device enables a user to receive a user input through the button, receives user speech through the microphone, and then provides data on the user speech to an external server. An instruction for performing a task is received from the server. When the user interface is displayed on the touchscreen display, the electronic device enables the user to receive the user input through the button, receives user speech through the microphone, and then provides data on the user speech to the external server.

Abstract: A satellite antenna positioner having a satellite tracking function according to the present invention relates to a satellite antenna positioner which has a satellite tracking function, supports an antenna, and is configured to direct the antenna on the basis of a satellite reception signal, the satellite antenna positioner comprising: a first motor for generating a driving force for adjusting an elevation angle of the antenna; a second motor for generating a driving force for adjusting an azimuth angle of the antenna; and a control module for controlling the first motor and the second motor on the basis of the sensitivity of the satellite reception signal, wherein the control module calculates an average value of satellite reception signals received in the process of driving at least one of the first motor and the second motor during a preset time, and controls at least one of the first motor and the second motor on the basis of the average value of the satellite reception signals.

Abstract: A battery pack includes a pack case, a plurality of batteries accommodated in the pack case, a first heat absorber disposed between the plurality of batteries, and a second heat absorber disposed on each of two side surfaces of each of the plurality of batteries. The first heat absorber and the second heat absorber each include an absorbent material impregnated with a liquid vaporized by heat generated from the battery, and an exterior material in which the absorbent material in a liquid-absorbed state is accommodated.

Abstract: A prismatic secondary battery includes a case; at least one or more battery cells accommodated within the case; and at least one or more heat-absorbing pouches in contact with the battery cells. Here, the heat-absorbing pouches include: an absorbent material impregnated with a liquid that vaporizes by absorbing the heat generated by the battery cells; and a pouch that seals and accommodates the absorbent material impregnated with the liquid.

Abstract: Proposed is a transmission of a working vehicle. The transmission of a working vehicle includes an ultra-low speed gearbox having an ultra-low speed shift rod which moves axially and an ultra-low speed shift fork coupled to the ultra-low speed shift rod, a sub-gearbox which operates by receiving power shifted from the ultra-low speed gearbox and has two sub-shift rods and two sub-shift forks, and a stopper which is disposed between the ultra-low speed gearbox and the sub-gearbox and limits an ultra-low speed shift stage engagement of the ultra-low speed gearbox when the sub-gearbox is engaged in a specific stage (a sub-shift highest stage), thereby preventing damage or breakage to parts of an associated transmission due to the rapid rotation of the sub-gearbox during an ultra-low speed and high load operation.

Abstract: The disclosure provides a portable terminal including an electronic device and a case disposed thereon that provides water resistant, dust resistant, and insulation for the electronic device by proper positioning of an aperture of the electronic device that uses an area of the case as an antenna. The case includes a body part that comprises a main body with a metallic portion formed of a metallic material, and an auxiliary body disposed adjacent to the metallic portion, and at least a portion of the auxiliary body is used as an antenna for transmission and reception of signals. An insulation member is disposed between the at least a portion of the auxiliary body and the main body, and a bonding layer is disposed in at least one of an area between the insulation member and at least one area of the main body, or between the insulation member and the auxiliary body.