Abstract: The present specification provides a heterocyclic compound represented by Chemical Formula 1, an organic light emitting device including the same, a composition for an organic material layer of an organic light emitting device, and a method for manufacturing an organic light emitting device.

Abstract: Disclosed herein is an accommodation case for an electric toothbrush, as an accommodation case for an electric toothbrush for storing an electric toothbrush having an electric body and a brush head detachably coupled to the electric body, including a first housing and a second housing connected to each other and configured to accommodate the electric toothbrush, wherein the first and second housings are formed to have a length for accommodating at least a portion of the brush head and only a portion of the electric body and exposing the rest of the electric body, and the first housing includes a counteracting portion generating a counter moment against a rotational moment generated by the rest of the electric body, while the electric toothbrush is accommodated in the first housing.

Abstract: The present specification relates to a compound of Chemical Formula 1, and an organic light emitting device including the same.

Abstract: Disclosed are a system and method for controlling a seat for a vehicle. In particular, the system includes a seat positioned in a vehicle, a motor embedded in the seat and configured to adjust an operation of the seat, a Hall sensor configured to sense an operation of the motor, and a controller configured to measure a pulse width according to the operation of the motor by means of the Hall sensor and determine whether jamming occurs during the operation of the seat based on the measured pulse width.

Abstract: Provided is a membrane-electrode assembly having improved binding strength between a polymer electrolyte membrane and a catalyst layer and improved durability of the catalyst layer. An embodiment of the present invention provides a membrane-electrode assembly including a polymer electrolyte membrane and a catalyst layer disposed on at least one surface of the polymer electrolyte membrane, wherein the catalyst layer contains a first composite and a second composite; the first composite contains a first catalyst containing a support and first metal particles supported on the support, and a first ionomer coated on the surface of the first catalyst; the second composite contains a second catalyst that contains second metal particles and is not supported on a support, and a second ionomer that is not coated on the surface of the second catalyst; and the first ionomer and the second ionomer are identical with or different from each other.

Abstract: The present specification relates to a heterocyclic compound represented by Formula 1, an organic light-emitting device comprising the same, a manufacturing method thereof, and a composition for an organic layer thereof.

Abstract: The present specification relates to a heterocyclic compound represented by Formula 1, an organic light emitting device comprising the same, a manufacturing method thereof, and a composition for an organic layer.

Abstract: Provided herein is a memory device that may include a string, a voltage generation circuit, a page buffer, and a channel initializing circuit. The string may include select transistors and memory cells coupled in series between a bit line and a source line. The page buffer may be configured to precharge or discharge the bit line. The voltage generation circuit may be configured to apply a turn-on voltage or a turn-off voltage to select lines coupled to the select transistors, apply at least one operating voltage to word lines coupled to the memory cells, or discharge the select lines or the word lines. The channel initializing circuit may be configured to control the voltage generation circuit and the page buffer so as to initialize a channel of the string when an operation performed on the memory cells is completed or is suspended before being completed.

Abstract: A control method for driving series mode of a hybrid vehicle is suitable for a four-wheel drive powertrain of a hybrid vehicle and can further improve a charging efficiency by implementing a second series mode, in which a vehicle is driven by a second motor for driving rear wheels, which is employed for a four-wheel drive powertrain of a hybrid vehicle, and an energy storage device is charged by power generation operation of a first motor connected to an engine through an engine clutch, beside a first series mode in which a vehicle is driven by the first motor and the energy storage device is charged by power generation operation of a third motor directly connected to the engine so that the first series mode or the second series mode may be selected in accordance with driver request power and charge power for the energy storage device.

Abstract: The present specification relates to a heterocyclic compound represented by Chemical Formula 1, an organic light emitting device comprising the same, a method for manufacturing the same, and a composition for an organic material layer.

Abstract: The present specification relates to a heterocyclic compound represented by Formula 1, an organic light-emitting device comprising the same, a manufacturing method thereof, and a composition for an organic layer thereof.

Abstract: Disclosed is a field-tailored prefabricated dust suction mat that absorbs and removes dust from the soles of visitor's shoes. A dust suction mat according to the present disclosure includes unit mats continuously connected to each other in a first direction, wherein each of the unit mats has a plurality of through holes for dust suction and through hole opening/closing means for opening or closing the through holes, the unit mats have lengths in a second direction perpendicular to the first direction, which are equal to each other, and widths in the first direction, which are equal to or different from each other, and an overall width of the dust suction mat in the first direction is adjusted according to the number of the unit mats, which are continuously connected to each other in the first direction.

Abstract: The present specification relates to a heterocyclic compound represented by Formula 1, an organic light-emitting device comprising the same, and a composition for an organic layer.

Abstract: Cognitive determination of whether a message is suitable for sending over a data communications network can include extracting tokens from the message prior to transmitting the message. One or more intended recipients of the message can be determined from the tokens. A machine learning classification model corresponding to the one or more recipients of the message can be selected. The machine learning classification model can be constructed based on tokens extracted from prior messages, which are combined to create a plurality of documents for training the machine learning classification model. The one or more tokens extracted from the message can be classified using the machine learning classification model. An alert message can be generated in response to determining based on the classifying that the message is unsuited for sending.

Abstract: The present invention relates to a catalyst layer for a fuel cell, a method for producing the catalyst layer, and a membrane-electrode assembly and a fuel cell including the catalyst layer. More particularly, the invention relates to a catalyst layer for a fuel cell, the catalyst layer including a catalyst, a heat dissipation material, and an ionomer and having an effect that the heat generated by an exothermic reaction in the catalyst layer can be efficiently discharged to the outside and a phenomenon of deterioration of a membrane-electrode assembly caused by temperature increase in the catalyst layer can be suppressed; a method for producing the catalyst layer; and a membrane-electrode assembly and a fuel cell, both including the catalyst layer.

Abstract: The present specification relates to a heterocyclic compound of Chemical Formula 1, and an organic light emitting device and a composition for forming an organic material layer including the same.

Abstract: A ceramic electronic component includes a body including a dielectric layer and an internal electrode; and an external electrode disposed on the body and connected to the internal electrode. The dielectric layer includes a plurality of crystal grains and a grain boundary disposed between adjacent crystal grains. A ratio (C2/C1) of an Mg content (C2) of the grain boundary to an Mg content (C1) of at least one of the plurality of crystal grains is 3 or more.

Abstract: The present invention provides a heterocyclic compound represented by Formula 1, an organic light-emitting device comprising the same, and a composition for forming an organic layer.

Abstract: The present specification relates to a heterocyclic compound represented by Formula 1, an organic light emitting device comprising the same, a method for preparing the same, and a composition for organic layer.

Abstract: Provided is an electronic device that may include a flexible display including a first area and a second area, a frame including a first frame supporting the first area and a second frame supporting the second area, and a driving module for linearly moving and rotating the second frame so that the second frame moves relative to the first frame. In addition, various example embodiments are possible.