Abstract: The present invention relates to a composition for an organic optoelectronic device, the composition comprising: a first host compound represented by Chemical Formula 1 below; and a second host compound represented by Chemical Formula 2 below, to an organic optoelectronic device using the composition and a display device. The details of Chemical Formulas 1 and 2 above are as defined in the specification.

Abstract: Disclosed are a water supply device and a faucet including the same. The water supply device includes a casing, and a component storage part formed inside the casing. A flow path guide pack is disposed inside the casing. The flow path guide pack defines a portion of the component storage part. Each of a thermostat, a flow rate controller, a filter, and a water-flow generator is connected to the flow path guide pack. In this case, the thermostat, the flow rate controller, the filter, and the water-flow generator are disposed in the component storage part. The filter and the water-flow generator are disposed between the flow rate controller and the thermostat.

Abstract: Disclosed are an organic optoelectronic device includes an anode and a cathode facing each other and an organic layer disposed between the anode and the cathode, wherein the organic layer includes at least one of a hole injection layer, a hole transport layer, a light emitting layer, and an electron transport layer, and the light emitting layer includes a first host, a second host, and a phosphorescent dopant represented by Chemical Formula 4, and a display device including the same.

Abstract: The present invention relates to a composition for an organic optoelectronic device, the composition comprising: a first host compound represented by Chemical Formula 1 below; and a second host compound represented by Chemical Formula 2 below, to an organic optoelectronic device using the composition and a display device. The details of Chemical Formulas 1 and 2 above are as defined in the specification.

Abstract: Disclosed are a composition for an organic optoelectronic device including at least one kind of a first host compound represented by the Chemical Formula 1 and at least one kind of a second host compound represented by the Chemical Formula 2, and an organic optoelectronic device and a display device including the composition.

Abstract: Provided are an ink composition, a layer prepared using the ink composition, and a display device comprising the layer, the ink composition comprising a solvent comprising (A) semiconductor nanorods, and (B) at least one diol-based compound, wherein the ink composition has a viscosity of at least 50 cps at 20° C. to 25° C. and at most 20 cps at 35° C. to 65° C.

Abstract: The present invention relates to: a dopant for an organic optoelectronic device, represented by chemical formula 1; an organic optoelectronic device including the dopant; and a display device.

Abstract: An ultrasound diagnosis apparatus according to an embodiment of the present disclosure may include a variable voltage supply unit configured to supply a driving voltage to the transmission circuit, a transmission circuit configured to generate a pulse signal for generating an ultrasonic signal using the driving voltage, and a controller configured to store compensation information for compensating for a voltage drop of the driving voltage and to provide a voltage control signal including information on a driving voltage for which the voltage drop is compensated for based on the compensation information to the variable voltage supply unit, wherein the variable voltage supply unit supplies the compensated driving voltage to the transmission circuit in response to the voltage control signal.

Abstract: Maintaining an organizational hierarchy by receiving data indicative of computing resource consumption by one or more leaf nodes, wherein the leaf nodes are part of a hierarchy including the leaf nodes and higher level nodes; and generating one or more modifications for the hierarchy based on the data indicative of computing resource consumption.

Abstract: Provided are an ink composition including (A) semiconductor nanorods; and (B) a mixed solvent including a first solvent including a compound represented by Chemical Formula 1 and a second solvent including a compound represented by Chemical Formula 2, a layer manufactured using the ink composition, and an electrophoresis device, and a display device including the same. The definition of Chemical Formula 1 and Chemical Formula 2 is the same as the specification.

Abstract: Disclosed are an ink composition, a layer manufactured using the ink composition, and a display device including the same. The ink composition includes (A) semiconductor nanorods; and (B) a mixed solvent that simultaneously satisfies three specific conditions.

Abstract: The present invention relates to a composition for an organic optoelectronic device, the composition comprising: a first host compound represented by Chemical Formula 1 below; and a second host compound represented by Chemical Formula 2 below, to an organic optoelectronic device using the composition and a display device. The details of Chemical Formulas 1 and 2 above are as defined in the specification.

Abstract: The present invention relates to a composition for an organic optoelectronic device, the composition comprising: a first host compound represented by Chemical Formula 1 below; and a second host compound represented by Chemical Formula 2 below, to an organic optoelectronic device using the composition and a display device. The details of Chemical Formulas 1 and 2 above are as defined in the specification.

Abstract: Disclosed are a compound represented by Chemical Formula 1, a composition comprising the same, an organic optoelectronic diode, and a display device. Chemical formula 1 is as defined in the specification.

Abstract: Disclosed are an ink composition, a layer manufactured using the ink composition, an electrophoresis device including the layer, and a display device, the ink composition including (A) a semiconductor nanorod including: a functional group represented by Chemical Formula 1; and (B) a solvent. In Chemical Formula 1, each substituent is as defined in the specification.

Abstract: Disclosed are an ink composition, a layer manufactured using the ink composition, and an electrophoresis device and a display device including the same. The ink composition includes (A) a semiconductor nanorod; and (B) a mixed solvent including a first solvent, a second solvent, and a third solvent, wherein the first solvent has a viscosity of less than or equal to 70 cps at 25° C. and includes a compound having a dielectric constant of greater than or equal to 5, the second solvent includes a compound having a viscosity of greater than or equal to 80 cps at 25° C. or being a solid or having a dielectric constant of greater than or equal to 5, and the third solvent includes a compound having a dielectric constant of less than 5.

Abstract: Embodiments provide an ink composition, a layer manufactured using the ink composition, and an electrophoresis apparatus and a display device including the same. The ink composition includes a semiconductor nanorod including at least one functional group each independently represented by one of Chemical Formula 1-1 to Chemical Formula 1-3, and a solvent.

Abstract: Disclosed are an ink composition, a layer manufactured using the ink composition, an electrophoresis apparatus including the layer, and a display device, the ink composition including (A) a semiconductor nanorod, and (B) a solvent including a compound having a set or specific structure, wherein the solvent has an electrical conductivity of less than 2.0 ?S/m at 25° C.

Abstract: The present invention relates to a compound for an organic photoelectronic element, to a composition for an organic photoelectronic element, the composition including the compound for an organic photoelectronic element, to an organic photoelectronic element employing the same, and to a display device.

Abstract: A movement structure for a drawer of a refrigerator is provided that allows a storage box to be automatically withdrawn from or inserted into a main body of the refrigerator. The structure may include a rolling mechanism that rolls along a guide mechanism coupled to the storage box to facilitate and guide the movement of the storage box and maintain alignment relative to the main body of the refrigerator. A drive motor may provide a rotational force to the rolling mechanism to automate the movement of the storage box.