Abstract: A foldable chair includes a first frame; a second frame disposed in parallel with the first frame; a connection portion configured to movably connect the first frame and the second frame and change in length based on movement between the first frame and the second frame; a seat accommodation portion disposed on one of the first frame or the second frame; and a seat portion. In particular, at least a portion of the seat portion is accommodated in the seat accommodation portion, and the seat portion is configured to be drawn out from the seat accommodation portion and detachably fastened to the other of the first frame or the second frame.

Abstract: The present disclosure relates to a method and apparatus for performing sensor drift compensation based on double cycling measurement. A method for performing drift correction according to gas sensor measurement according to an embodiment of the present disclosure may comprise: obtaining first measurement data for a reference gas for each sensor using one or more sensors in a first cycle; obtaining second measurement data for a target gas for each sensor using the one or more sensors in a second cycle; and generating a drift-corrected feature for each sensor based on a ratio calculated by dividing the second measurement data by the first measurement data.

Abstract: An organic electric element includes a first electrode, a second electrode, and an organic material layer between the first electrode and the second electrode. The organic material layer includes a light-emitting layer, a hole transport layer between the first electrode and the light-emitting layer, and a plurality of light-emitting auxiliary layers between the hole transport layer and the light-emitting layer. The plurality of light-emitting auxiliary layers include a first light-emitting auxiliary layer adjacent to the hole transport layer and a second light-emitting auxiliary layer adjacent to the light-emitting layer, and the first light-emitting auxiliary layer includes a compound represented by Formula 1 and the second light-emitting auxiliary layer includes a compound represented by Formula 2.

Abstract: Disclosed are a method and device for managing a project by using data filtering. A project is efficiently operated by dividing a project based on a minimum unit task and designing a plurality of child projects connected in sequential order such that a plurality of child projects proceed in order.

Abstract: An organic electric element includes a first electrode, a second electrode, and an organic material layer formed between the first electrode and the second electrode, wherein a first light-emitting auxiliary layer adjacent to a hole transport layer contains a compound represented by Formula 1, and a second light-emitting auxiliary layer adjacent to the light-emitting layer contains a compound represented by Formula 2, thereby the driving voltage of an organic electric element can be lowered and the efficiency and lifespan can be improved.

Abstract: A battery container has excellent workability, assembly, expandability, and safety. The battery container includes at least one battery rack including a plurality of battery modules; a container housing having an empty space formed therein to accommodate the battery rack; a plurality of main connectors located on at least one side of the container housing and configured to be electrically connected to the outside; and a main bus bar connected between the plurality of main connectors to transmit power.

Abstract: An energy storage system includes a control container configured to be connected to an external power conversion system (PCS) and an external electrical system; and a battery container including at least one battery rack and configured to be connected to the control container.

Abstract: A battery system includes a plurality of battery containers, each including a battery rack, a container housing accommodating the battery rack in an internal space, and a first power line configured to transmit charge power and discharge power, wherein the first power lines of the battery containers are connected to each other, and a control cabinet including a control module configured to control the plurality of battery containers, a cabinet housing accommodating the control module in an internal space, and a second power line configured to be connected to the first power line of one of the plurality of battery containers.

Abstract: A battery container has improved energy density and can be used in an energy storage system. The battery container includes a container body, a coupling unit configured to couple different container bodies, and a load support unit configured to support a vertical load of the container body.

Abstract: An energy storage system according to the present disclosure includes at least one battery rack including a plurality of stacked battery modules; a container accommodating the at least one battery rack, wherein the container includes a bottom plate in which the at least one battery rack is disposed; and a fire fighting water collection chamber disposed lower than the bottom plate and having at least one side in communication with the bottom plate to allow a fire fighting water dropped from the at least one battery rack to enter.

Abstract: Disclosed is a mobile negative pressure chamber, that includes a bed, a main cover separably coupled to the bed, and having a main cavity, an auxiliary cover coupled to one side of the bed to be separable, that seals the main cavity while being engaged with the main cover, and having an auxiliary cavity, in which a lower body of the surgical recipient is located in an interior thereof, a main treatment part provided in at least one of the main cover and the auxiliary cover, and provided with a glove mounted on an arm of the surgical operator, and an auxiliary treatment part provided in at least one of the main cover and the auxiliary cover, and into and from which the arm of the surgical operator or a medical instrument is inserted and extracted.

Abstract: Provided is a method in which a management server provides wireless LAN security policy by participating in multiple APs. The method includes a step of receiving terminal information of a terminal, which is acquired in a process of scanning broadcasting information of multiple APs, from each of the multiple APs, a step of issuing and storing a token for opening a wireless LAN data channel to each of the multiple APs on the basis of reception time points of the terminal information, a step of receiving a token request for opening a wireless LAN data channel to an AP to be accessed, selected by a terminal among the multiple APs, and a step of distributing, to the terminal, a token of the AP to be accessed corresponding to the token request.

Abstract: A battery rack according to the present disclosure includes a plurality of battery modules; a rack case having receiving portions, each receiving portion configured to and receive one of the plurality of battery modules at each predetermined height, and each receiving portion having a structure in which upper and lower sides and left and right sides are closed and front and rear sides are open; a fire fighting water supply pipe connected to each of the battery modules disposed in the receiving portions which supplies a fire fighting water when a fire occurs; and a drain guide disposed on an outer surface of the rack case including at least one surface of a front outer surface or a rear outer surface of the rack case, the drain guide being configured to guide drainage of the fire fighting water.

Abstract: Provided are an apparatus and a method for controlling an interrupt rate for a processor based on processor utilization. Accordingly, it is possible to improve an I/O response latency and improve energy efficiency.

Abstract: Provided are an apparatus and a method for controlling an interrupt rate for a processor based on processor utilization. Accordingly, it is possible to improve an I/O response latency and improve energy efficiency.

Abstract: Disclosed is a display device. In accordance with the display device, before an organic stack of a light-emitting diode is formed, a sticker is attached to a substrate, while a camera hole-forming portion and a margin area around the same are present, to form the organic stack, and the sticker and components on top of the sticker, such as the organic stack, are removed, so that the edge of the organic stack can be aligned without any additional process using separate masks and the reliability of the display device can be improved due to the provision of the organic stack at a location spaced apart from the camera hole by the margin area.

Abstract: Disclosed is a display device. In accordance with the display device, before an organic stack of a light-emitting diode is formed, a sticker is attached to a substrate, while a camera hole-forming portion and a margin area around the same are present, to form the organic stack, and the sticker and components on top of the sticker, such as the organic stack, are removed, so that the edge of the organic stack can be aligned without any additional process using separate masks and the reliability of the display device can be improved due to the provision of the organic stack at a location spaced apart from the camera hole by the margin area.

Abstract: A planar heater includes: a body forming a car interior material, having an upper side opened, and having an accommodation space formed therein; a planar heating portion installed on an upper side of the body; and a foam layer foaming between the body and the planar heating portion and installed in the accommodation space.

Abstract: Disclosed is a multiple nozzle evaporator in which a material to be evaporated in the evaporator can be deposited on a substrate with an improved efficiency of use of the material, thereby forming a large-area uniform thin film. The evaporator includes a rectangular post-shaped crucible with an open top face; and a nozzle having a body portion having a rectangular post-like shape with a height smaller than that of the crucible and assembled to an upper portion of the crucible, and a plurality of evaporation tubes penetrating through the body portion between top and bottom faces of the body portion. The evaporation tubes are divided into four groups of which evaporation tubes are inclined toward respective four corners of a top face of the nozzle unit.

Abstract: Disclosed is a multiple nozzle evaporator in which a material to be evaporated in the evaporator can be deposited on a substrate with an improved efficiency of use of the material, thereby forming a large-area uniform thin film. The evaporator includes a rectangular post-shaped crucible with an open top face; and a nozzle having a body portion having a rectangular post-like shape with a height smaller than that of the crucible and assembled to an upper portion of the crucible, and a plurality of evaporation tubes penetrating through the body portion between top and bottom faces of the body portion. The evaporation tubes are divided into four groups of which evaporation tubes are inclined toward respective four corners of a top face of the nozzle unit.