Abstract: A blender includes a proximal section having a proximal upper housing and a proximal lower housing, a distal section having a distal upper housing and a distal lower housing, at least one intermediate section disposed between the proximal section and the distal section and coupleable thereto, each of the at least one intermediate section including an intermediate upper housing and an intermediate lower housing, a shaft extending through the proximal section, the distal section and the at least one intermediate section, and at least one blade disposed on the shaft.

Abstract: A quantum dot according to an embodiment includes a core including a first semiconductor nanocrystal including zinc, selenium, and tellurium and a semiconductor nanocrystal shell on the core, the semiconductor nanocrystal shell including a zinc chalcogenide, wherein the quantum dot does not include cadmium, the zinc chalcogenide includes zinc and selenium, the quantum dot further includes gallium and a primary amine having 5 or more carbon atoms, and the quantum dot is configured to emit light having a maximum emission peak in a range of greater than about 450 nanometers (nm) and less than or equal to about 480 nm by excitation light. A method of producing the quantum dot and an electronic device including the same are also disclosed.

Abstract: An organoelectroluminescent device according to the present invention is capable of low voltage driving, has an excellent external quantum efficiency and exhibits highly efficient light-emitting characteristics by employing compounds having distinct structures, as a hole transport material and a dopant material, in a hole injection layer or a hole transport layer, and a light-emitting layer, respectively, and thus can be industrially utilized in a flat display device, a flexible display device, a monochrome or white flat panel lighting apparatus, a monochrome or white flexible lighting apparatus and the like.

Abstract: A quantum dot including: a core including a first semiconductor nanocrystal material including zinc, tellurium, and selenium; and a semiconductor nanocrystal shell disposed on the core, the semiconductor nanocrystal shell including zinc, selenium, and sulfur, wherein the quantum dot does not include cadmium, and in the quantum dot, a mole ratio of the sulfur with respect to the selenium is less than or equal to about 2.4:1. A production method of the quantum dot and an electronic device including the same are also disclosed.

Abstract: Quantum dots and electroluminescent devices including the same, wherein the quantum dots include a core including a first semiconductor nanocrystal including a zinc chalcogenide; and a shell disposed on the core, the shell including zinc, sulfur, and selenium, wherein the quantum dots have an average particle size of greater than 10 nm, wherein the quantum dots do not include cadmium, and wherein a photoluminescent peak of the quantum dots is present in a wavelength range of greater than or equal to about 430 nm and less than or equal to about 470 nm.

Abstract: A quantum dot comprising a core comprising a first semiconductor nanocrystal comprising zinc, selenium, and optionally tellurium; and a shell disposed on the core and comprising a second semiconductor nanocrystal having a different composition from the first semiconductor nanocrystal, and comprising zinc and at least one of sulfur and selenium, wherein the shell comprises at least three branches extending from the core, wherein at least one of the branches has a length of greater than or equal to about 2 nm, the quantum dot emits blue light comprising a maximum emission peak at a wavelength of less than or equal to about 470 nm, a full width at half maximum (FWHM) of the maximum emission peak is less than about 35 nm, and the quantum dot does not comprise cadmium.

Abstract: A light emitting device includes: a first electrode and a second electrode with a surface facing the first electrode; an emission layer disposed between the first electrode and the second electrode and including a quantum dot (e.g., a plurality of quantum dots); and an electron auxiliary layer disposed between the emission layer and the second electrode. The electron auxiliary layer includes a first layer including a first metal oxide, and a second layer disposed on the first layer and including a second metal oxide. A roughness of an interface between the second layer and the second electrode is less than about 10 nm as determined by an electron microscopy analysis. An absolute value of a difference between a conduction band edge energy level of the second layer and a work function of the second electrode may be less than or equal to about 0.5 eV, and a conduction band edge energy level of the first layer may be less than the conduction band edge energy level of the second layer.

Abstract: A household dishwasher includes a washing tub, a main body, a door portion configured to open and close an upper surface of the washing tub, a first washing water spray nozzle configured to spray washing water supplied from a door portion water supply pipe to an inside of the washing tub, a second washing water spray nozzle configured to spray the washing water to the inside of the washing tub, a steam generator configured to supply steam to the inside of the washing tub, an ultrasonic vibration part configured to apply ultrasonic vibration to the washing water inside the washing tub such that an ultrasonic washing is performed, and a controller configured to receive a washing command signal of a user and control internal components of the household dishwasher.

Abstract: One aspect of the present invention provides a nucleic acid extraction device. The nucleic acid extraction device includes a container which stores each of a cleaning solution and an eluting solution, a water level sensor configured to detect amounts of the cleaning solution and the eluting solution which are stored in the container, a tube sensor configured to sense a sample tube disposed on a sample tube accommodation portion, and an operation initiation portion configured to determine whether the cleaning solution and the eluting solution which are necessary for a nucleic acid extraction operation are provided on the basis of the number of such sample tubes which is sensed by the tube sensor and the amounts of the cleaning solution and the eluting solution which are sensed by the water level sensor.

Abstract: The present invention relates to an amine compound having a fused ring that can be employed in various organic layers in an organic light-emitting device, and a high-efficiency organic light-emitting device comprising same and having significantly improved luminous efficiency. The amine compound having a fused ring, according to the present invention, makes it possible to implement a high-efficiency organic light-emitting device by being employed as an organic layer in the device, particularly as a hole transport or electron blocking material, and thus can be industrially utilized in a flat panel display device, a flexible display device, a monochromatic or white flat panel lighting device, a monochromatic or white flexible lighting device, a vehicle display device, a virtual or augmented reality display device, and the like.

Abstract: A quantum dot including a core that includes a first semiconductor nanocrystal including zinc and selenium, and optionally sulfur and/or tellurium, and a shell that includes a second semiconductor nanocrystal including zinc, and at least one of sulfur or selenium is disclosed. The quantum dot has an average particle diameter of greater than or equal to about 13 nm, an emission peak wavelength in a range of about 440 nm to about 470 nm, and a full width at half maximum (FWHM) of an emission wavelength of less than about 25 nm. A method for preparing the quantum dot, a quantum dot-polymer composite including the quantum dot, and an electronic device including the quantum dot is also disclosed.

Abstract: A quantum dot according to an embodiment includes a core including a first semiconductor nanocrystal including zinc, selenium, and tellurium and a semiconductor nanocrystal shell on the core, the semiconductor nanocrystal shell including a zinc chalcogenide, wherein the quantum dot does not include cadmium, the zinc chalcogenide includes zinc and selenium, the quantum dot further includes gallium and a primary amine having 5 or more carbon atoms, and the quantum dot is configured to emit light having a maximum emission peak in a range of greater than about 450 nanometers (nm) and less than or equal to about 480 nm by excitation light. A method of producing the quantum dot and an electronic device including the same are also disclosed.

Abstract: A rear structure of a vehicle includes: a rear floor, and a pair of diagonal members coupled to a bottom surface of the rear floor, extending obliquely from both sides of the rear floor to a rear side of the rear floor, and symmetrical with respect to a longitudinal centerline of the rear floor. The rear structure further includes a pair of side extensions coupled to the bottom surface of the rear floor at the both sides of the rear floor, respectively, and extending in a longitudinal direction of the rear floor. The rear structure includes a cross member disposed between the pair of side extensions at a rear bottom surface of the rear floor, and the cross member has both ends each spaced apart from a corresponding side extension.

Abstract: A semiconductor nanocrystal particle, a production method thereof, and a light emitting device including the same. The semiconductor nanocrystal particle includes a core including a first semiconductor nanocrystal, a first shell surrounding the core, the first shell including a second semiconductor nanocrystal including a different composition from the first semiconductor nanocrystal, a second shell surrounding the first shell, the second shell including a third semiconductor nanocrystal including a different composition from the second semiconductor nanocrystal, wherein the first semiconductor nanocrystal includes zinc and sulfur; wherein the third semiconductor nanocrystal includes zinc and sulfur; wherein an energy bandgap of the second semiconductor nanocrystal is less than an energy bandgap of the first semiconductor nanocrystal and less than an energy bandgap of the third semiconductor nanocrystal; and wherein the semiconductor nanocrystal particle does not include cadmium.

Abstract: A semiconductor nanoparticle, a production method thereof, and an electroluminescent device including the same. The production method includes: combining a magnesium precursor and an additive with a chalcogen precursor in a reaction medium including an organic solvent and an organic ligand; heating the reaction medium to a reaction temperature; and reacting the magnesium precursor and the chalcogen precursor in the presence of the additive to form a magnesium chalcogenide, wherein the semiconductor nanoparticle comprises the magnesium chalcogenide, wherein the magnesium chalcogenide comprises magnesium; and selenium, sulfur, or a combination thereof, and wherein the additive includes a hydride compound including an alkali metal, calcium, barium, aluminum, or a combination thereof.

Abstract: An electroluminescent device includes a first electrode; a second electrode spaced apart from the first electrode; and a light emitting layer disposed between the first electrode and the second electrode, the light emitting layer includes semiconductor nanoparticles, wherein the semiconductor nanoparticles do not include cadmium, the semiconductor nanoparticles have a core shell structure, the semiconductor nanoparticles include zinc, selenium, tellurium, and sulfur, wherein in a two dimensional image obtained by an electron microscopy analysis, the semiconductor nanoparticles show an average value of a circularity defined by the following equation of greater than or equal to about 0.8 and less than or equal to about 1: circularity = 4 ? ? × Area [ Perimeter ] 2 wherein Area is an area of a two dimensional image of an individual semiconductor nanoparticle, and Perimeter is a circumference of the two dimensional image of the individual semiconductor nanoparticle.

Abstract: A quantum dot including a core comprising a first semiconductor nanocrystal including a zinc chalcogenide and a semiconductor nanocrystal shell disposed on the surface of the core and comprising zinc, selenium, and sulfur. The quantum dot does not comprise cadmium, emits blue light, and may exhibit a digital diffraction pattern obtained by a Fast Fourier Transform of a transmission electron microscopic image including a (100) facet of a zinc blende structure. In an X-ray diffraction spectrum of the quantum dot, a ratio of a defect peak area with respect to a peak area of a zinc blende crystal structure is less than about 0.8:1. A method of producing the quantum dot, and an electroluminescent device including the quantum dot are also disclosed.

Abstract: An electroluminescent device and a display device including the electroluminescent device. The electroluminescent device includes a first electrode and a second electrode each having a surface opposite the other; a light emitting layer disposed between the first electrode and the second electrode, the light emitting layer including quantum dots; and an electron transport layer disposed between the light emitting layer and the second electrode, the electron transport layer including inorganic material nanoparticles including an anion dopant including P, N, C, Cl, F, Br, S, or a combination thereof.

Abstract: A quantum dot including: a core including a first semiconductor nanocrystal material including zinc, tellurium, and selenium; and a semiconductor nanocrystal shell disposed on the core, the semiconductor nanocrystal shell including zinc, selenium, and sulfur, wherein the quantum dot does not include cadmium, and in the quantum dot, a mole ratio of the sulfur with respect to the selenium is less than or equal to about 2.4:1. A production method of the quantum dot and an electronic device including the same are also disclosed.