Abstract: A ground electrode (100) positioned in the earth and a monitoring device (200) configured to measure a current and resistance of a ground line, where the monitoring device (200) includes a ground current sensing unit (210) configured to measure the current of the ground line, a resistance sensing unit (220) configured to measure ground resistance of the earth and an earth resistance rate, a voltage sensing unit (230) configured to check a voltage value of commercial power, a temperature and humidity sensing unit (240) configured to check a surrounding temperature and humidity of the monitoring device (200), and a monitoring unit (250) configured to confirm whether the ground current, ground resistance and earth resistance measured are abnormal values by compared with reference values classified based on the temperature and humidity measured.

Abstract: Disclosed is an apparatus for extracting coffee that includes an input part which receives a command for controlling an operation of the apparatus for extracting coffee; a heater which heats water supplied to a coffee flow path for extracting coffee; a temperature sensor which measures the temperature of the heater; an input voltage acquisition part which acquires an input voltage value applied to the apparatus for extracting coffee; and a control part which determines the possibility of coffee extraction by detecting the operation of the apparatus for extracting coffee, and if it is determined that there is a high possibility of coffee extraction, controls a preheating operation of the heater on the basis of the input voltage value acquired by the input voltage acquisition part and the temperature of the heater measured by the temperature sensor.

Abstract: A memory system includes; a memory device, a memory controller including a first interface, a second interface, and a first data processor having a first error correction code (ECC) engine, and a field programmable gate array (FPGA) including a third interface connected to the first interface, a fourth interface connected to the second interface, a fifth interface connected to an external host, and a second data processor having a second ECC engine. The memory controller may configure a normal write operation path or highly reliable write operation path.

Abstract: A laser crystallizing apparatus may include a laser light source, an optical system, and an optical module. The laser light source may generate a laser beam. The optical system may convert the laser beam into a line laser beam. The optical module may disperse energy of the line laser beam in a first direction for generating a dispersed line laser beam. The first direction may be perpendicular to a lengthwise direction of the optical module.

Abstract: An organic optoelectronic device and a display device, the organic optoelectronic device including an anode and a cathode facing each other, a light emitting layer between the anode and the cathode, a hole transport layer between the anode and the light emitting layer, and a hole transport auxiliary layer between the light emitting layer and the hole transport layer, wherein the light emitting layer includes a first compound represented by a combination of Chemical Formula 1 and Chemical Formula 2, and a second compound represented by Chemical Formula 3, and the hole transport auxiliary layer includes a third compound represented by Chemical Formula 4:

Abstract: Provided are a coffee extraction device and a coffee extraction method, which are capable of extracting coffee from a coffee capsule (capsule coffee) and the like. The coffee extraction device can comprise: a coffee extraction unit on which a coffee capsule is to be mounted; a pump for pressurizing water and supplying the same to the coffee extraction unit; a flow rate sensor for measuring the flow rate of water to be supplied to the coffee extraction unit; and a control unit for controlling the operation of the pump on the basis of the flow rate to be sensed at the flow rate sensor.

Abstract: The present disclosure relates to an advertisement effect analysis apparatus and an advertisement effect analysis method. Specifically, the advertisement effect analysis method collects an advertisement viewing history of a user, determines a display state of an advertisement displayed to a user and a user response, and analyzes an effect of the advertisement displayed to the user based on a determination result.

Abstract: A compound for an organic optoelectronic device is represented by Chemical Formula 1, wherein Ar1 may be a substituted or unsubstituted C6 to C18 aryl group, L1 may be a substituted or unsubstituted C6 to C20 arylene group, a substituted or unsubstituted C2 to C20 heteroarylene group, or a combination thereof, and L2 may be a single bond or a substituted or unsubstituted phenylene group.

Abstract: A method of manufacturing a polycrystalline silicon layer for a display device includes the steps of forming an amorphous silicon layer on a substrate, cleaning the amorphous silicon layer with hydrofluoric acid, rinsing the amorphous silicon layer with hydrogenated deionized water, and irradiating the amorphous silicon layer with a laser beam to form a polycrystalline silicon layer.

Abstract: A display device may include a substrate, a first layer on the substrate, the first layer including a first portion having a first thickness and a second portion having a second thickness greater than the first thickness, a second layer on the first layer, an active pattern on the second layer, the active pattern overlapping only the first portion of the first layer, a gate electrode on the active pattern, a source electrode and a drain electrode on the gate electrode and connected to the active pattern, a first electrode connected to one of the source electrode and the drain electrode, a pixel defining layer on the first electrode, the pixel defining layer having an opening portion exposing at least a portion of the first electrode, an emission layer in the opening portion on the first electrode, and a second electrode on the emission layer.

Abstract: An organic optoelectronic device includes an anode and a cathode facing each other, a light emitting layer disposed between the anode and the cathode, the light emitting layer including a first compound represented by a combination of Chemical Formula 1 and Chemical Formula 2, and a second compound represented by Chemical Formula 3, a hole transport layer disposed between the anode and the light emitting layer, and a hole transport auxiliary layer disposed between the light emitting layer and the hole transport layer, the hole transport auxiliary layer including a third compound represented by Chemical Formula 4. Details of Chemical Formula 1 to Chemical Formula 4 are the same as described in the specification.

Abstract: An image sensor includes a substrate including opposite first and second surfaces, first and second gates, on the first surface of the substrate, which each extend in a first direction, a first isolation layer in the substrate between the first and second gates and having a first width in a second direction crossing the first direction, a second isolation layer on the first isolation layer, in the substrate, and having a second width smaller than the first width in the second direction. The second isolation layer is closer to the second surface of the substrate than the first isolation layer. A vertical distance between the first isolation layer and the second isolation layer is ? or less of a height of the first isolation layer.

Abstract: The present invention relates to: a composition for an organic photoelectronic element comprising at least one type of a first chemical compound represented by chemical formula 1 and at least one type of a second chemical compound represented by chemical formula 2; an organic photoelectronic element comprising the same; and a display apparatus comprising said organic photoelectronic element. Chemical formulas 1 and 2 are described in the specification of the present invention.

Abstract: A method of operating a storage device includes receiving, at the storage device, a meta information transfer command based on a data read request. The meta information transfer command is received from a host device. The method further includes receiving, at the storage device, a data read command corresponding to the data read request and the meta information transfer command. The data read command is received from the host device. The method further includes receiving, at the storage device, a plurality of meta data corresponding to the data read request and the meta information transfer command. The plurality of meta data is received from the host device. The method further includes performing a data read operation, at the storage device, based on the data read command and the plurality of meta data.

Abstract: A storage system shares a system memory of a host. An operation method of the storage system may include receiving a command including information about a shared memory from the host, receiving a stream command having no timeout from the host, and transmitting a first packet associated with the stream command to the host in response to the received stream command. The first packet includes information for accessing the shared memory.

Abstract: A composition, an organic optoelectronic device, and a display device, the composition including a first compound represented by a combination of Chemical Formula 1 and Chemical Formula 2, and a second compound represented by Chemical Formula 3:

Abstract: Provided is a semiconductor device including a substrate in which an insulation layer is disposed between a first semiconductor layer and a second semiconductor layer, a through-hole penetrating through the substrate, the through-hole having a first hole penetrating through the first semiconductor layer and a second hole penetrating through the insulation layer and the second semiconductor layer from a bottom surface of the first hole, an epi-layer disposed inside the through-hole, a drain electrode disposed inside the second hole and contacting one surface of the epi-layer, and a source electrode and a gate electrode which are disposed on the other surface of the epi-layer.

Abstract: The present disclosure relates to a radio-frequency identification system for a container, such as a cryogenic container, comprising: a large number of radio-frequency identification tags for cryogenic straws, preferably at least 100 radio-frequency identification tags, each radio-frequency identification tag attachable to or embeddable in a cryogenic straw; an interrogation unit adapted to be placed or integrated inside the cryogenic container; wherein the interrogation unit and radio-frequency identification tags are configured to operate with a frequency of at least 30 MHz.

Abstract: Disclosed are a display apparatus, a server, a system and information providing methods thereof, in which the display apparatus can provide personalization or grouping information optimized to a changed individual or group without substantive authentication and login procedures for a user even though the individual or group using the corresponding apparatus is changed, The display apparatus includes: a display configured to display an image; a communicator configured to communicate with a server; a user recognizer configured to acquire recognition information about a user; a storage configured to store reference recognition information for determining whether the user is a server user having relation with the display apparatus; and a controller configured to determine the server user corresponding to the user by comparing the recognition information about the user acquired by the user recognizer with the reference recognition information stored in the storage, request and receive server information including

Abstract: The present invention relates to a pickering emulsion composition using polyimide particles and a method for preparing the same. The pickering emulsion stabilized by the polyimide particles according to the present invention has a very stable dispersed phase and does not cause flocculation, creaming, coalescence and phase separation even after a long time, and has an advantage of being capable of forming both an oil-in-water type emulsion and a water-in-oil type emulsion. Further, the polyimide particles used in the present invention can be synthesized in a simple manner and have partial wettability without the surface treatment and pH control so that they can be easily used for the emulsion stabilization.