Abstract: Disclosed is a wireless power transmission system including a first circuit comprising a transmitting coil for transmitting power; and a second circuit comprising a shielded coil, wherein, in the transmitting coil and the shielded coil, frequency division wherein an impedance magnitude of the second circuit is minimized at a first frequency smaller than a resonant frequency of the second circuit and a second frequency larger than the resonant frequency of the second circuit occurs, and inductive coupling wherein the first frequency is larger than a fundamental frequency of the first circuit and the second frequency is smaller than a third high frequency of the second circuit.

Abstract: Provided is a light-emitting element including a first electrode, a second electrode facing the first electrode, an emission structure between the first electrode and the second electrode, a first capping layer which is on the second electrode and includes a first compound having a first refractive index of about 1.9 or greater at a wavelength of about 550 nm and a metal dopant having an absorption ratio of about 40% at the wavelength of about 550 nm, and a second capping layer which is on the first capping layer and includes a second compound having second refractive index smaller than the first refractive index, and thus reflectance for external light decrease, thereby exhibiting excellent efficiency characteristics.

Abstract: A light emitting element according to an embodiment includes a first electrode, two or more light emitting units on the first electrode, and a second electrode on the two or more light emitting units, wherein the second electrode includes silver-lithium (Ag—Li), and the light emitting unit at the top of the two or more light emitting units includes ytterbium, and it includes any one selected from an electron injection layer including ytterbium, and an electron injection layer doped with a metal in a compound represented by the following Formula 1.

Abstract: A multilayer electronic component may include: a body including a dielectric layer and internal electrodes alternately disposed in a first direction; and an external electrode disposed on the body and connected to the internal electrode, wherein the internal electrode may include a plurality of electrode portions and disconnection portions, and the disconnection portion may include at least one of a dielectric and a pore.

Abstract: An air purifier capable of removing hazardous substances and viruses from air. The air purifier further includes: a body having an air inlet formed on a lower end thereof, an air outlet formed on an upper end thereof, and a flow path formed therein to move air upward; a pre-filter disposed in the flow path of the body; a box-shaped cell type discharge device disposed in the flow path of the body to generate active species; a dust collection device in the flow path of the body and having a discharge part with a linear discharge electrode and a dust collection part for collecting the dust charged through the discharge part; an ozone removal device in the flow path of the body to remove ozone generated from the discharge device and/or the dust collection device; and an air fan disposed in the flow path of the body.

Abstract: A light emitting element includes a first electrode, a second electrode facing the first electrode, and a plurality of light emitting structures stacked between the first electrode and the second electrode, each of the plurality of light emitting structures including a hole transport region, a light emitting layer, and an electron transport region. At least one of the light emitting structures is a green light emitting structure which emits green light, and the light emitting layer of the green light emitting structure includes a first sub-light emitting layer including a low refractive material having a refractive index value less than or equal to about 1.7 at 460 nm, and a second sub-light emitting layer not including the low refractive material, and disposed on the first sub-light emitting layer, so that the light emitting element may exhibit high light emission efficiency.

Abstract: A light emitting element includes a first electrode, a first light emitting stack disposed on the first electrode, a second light emitting stack disposed on the first light emitting stack, a third light emitting stack disposed on the second light emitting stack, a fourth light emitting stack disposed on the third light emitting stack, a fifth light emitting stack disposed on the fourth light emitting stack, a second electrode disposed on the fifth light emitting stack, and charge generation layers disposed between adjacent ones of the first light emitting stack to the fifth light emitting stack. Each of the first light emitting stack to the fifth light emitting stack includes at least one emission layer, and the first light emitting stack to the fifth light emitting stack include at least two blue emission layers, at least one green emission layer, and at least one red emission layer.

Abstract: The disclosure generally relates to devices and techniques for operating an electronic apparatus that controls a sensor, the devices and techniques including acquiring first sensing data through the sensor, identifying a data variation based on the first sensing data and sensing data for a first time point and a second time point acquired in advance based on a sampling period of the sensor, identifying target data among a plurality of predetermined meaningful data based on the identified data variation and determining a time point at which the target data is to be acquired, and controlling the sampling period based on the determined time point.

Abstract: A Surface Acoustic Wave (SAW) device having improved Q performance and high reliability of a bonding unit and a method of manufacturing the same are provided. The surface acoustic wave device includes a support substrate; a high sound velocity layer formed on the support substrate; a first low sound velocity layer formed on the high sound velocity layer; a second low sound velocity layer formed on the first low sound velocity layer; a piezoelectric plate formed on the second low sound velocity layer; and a plurality of IDT electrode fingers formed on the piezoelectric plate, and the sound velocity of the first low sound velocity layer and the sound velocity of the second low sound velocity layer are different from each other.

Abstract: Provided are a quantum dot, a method of manufacturing the quantum dot, and an electronic device including the quantum dot. The quantum dot includes a core including a first semiconductor nanocrystal and a doping metal. The first semiconductor nanocrystal includes a group II element, a group III element, and a group V element. The quantum dot has a narrower full width at half maximum (FWHM) and superior quantum efficiency, and manufactured in a simple manner.

Abstract: Provided are a surface acoustic wave device including IDT electrodes having an oxide electrode layer formed therein, and a method for fabricating the same. The surface acoustic wave device include a piezoelectric substrate and a plurality of IDT electrodes formed on the piezoelectric substrate, wherein each of the plurality of IDT electrodes includes: a main electrode layer formed on the upper surface of the piezoelectric substrate; an upper electrode layer formed on the main electrode layer; and an oxide electrode layer formed on the upper surface of the upper electrode layer by oxidation of the upper electrode layer, and wherein the thickness (te) of each of the plurality of IDT electrodes satisfies 0.011?to/te?0.333 with respect to the thickness (to) of the oxide electrode layer.

Abstract: A capacitor component includes a body including a dielectric layer and first and second internal electrode layers, and external electrodes disposed on the body and connected to the first and second internal electrode layers, respectively. The body includes an active portion in which the first and second internal electrode layers are alternately disposed with the dielectric layer interposed therebetween, a cover portion disposed on an upper portion and a lower portion of the active portion, and a side margin portion disposed on both sides of the active portion opposing each other. When a content of magnesium (Mg) included in the active portion is A1, a content of magnesium (Mg) included in the cover portion is C1, and a content of magnesium (Mg) included in the margin portion is M1, 0<A1<M1?C1 and A1/C1?0.60 are satisfied.

Abstract: A cassette for ultra-thin glass includes a pair of plates spaced apart from and facing each other, and a plurality of supports mounted between the pair of plates and including a plurality of mounting grooves that support sides of sheets of ultra-thin glass. Each of the plurality of mounting grooves includes an inclined portion inclined toward a middle of each of the plurality of mounting grooves, and a straight portion extending from the inclined portion and having a constant width in an axial direction of the plurality of supports. A height of the straight portion in a radial direction of the plurality of supports is equal to or greater than a height of the inclined portion in the radial direction.

Abstract: A lens module includes a first lens barrel in which at least one lens is disposed and including a first threaded portion and a first stepped portion on an outer circumferential surface of the first lens barrel; and a second lens barrel in which at least one lens is disposed and including a second threaded portion and a second stepped portion on an inner circumferential surface of the second lens barrel, wherein the first lens barrel and the second lens barrel are coupled to each other by fitting the first stepped portion and the second stepped portion to each other and screwing the first threaded portion and the second threaded portion to each other.

Abstract: Disclosed is a wireless power transmission system including a first circuit comprising a transmitting coil for transmitting power; and a second circuit comprising a shielded coil, wherein, in the transmitting coil and the shielded coil, frequency division wherein an impedance magnitude of the second circuit is minimized at a first frequency smaller than a resonant frequency of the second circuit and a second frequency larger than the resonant frequency of the second circuit occurs, and inductive coupling wherein the first frequency is larger than a fundamental frequency of the first circuit and the second frequency is smaller than a third high frequency of the second circuit.

Abstract: A display device includes: a blue color filter layer in a blue transmission region of an upper substrate, and including first scattering particles; a green color filter layer in a green transmission region of the upper substrate, and including second scattering particles; a red color filter layer in a red transmission region of the upper substrate; a partition wall on the upper substrate and defining a blue transmission opening, a green transmission opening, and a red transmission opening, which overlap the blue transmission region, the green transmission region, and the red transmission region, respectively; a color conversion layer including red color conversion particles and third scattering particles, and accommodated in the red transmission opening; a light emitting element layer on a lower substrate facing the upper substrate; and a filling material between the upper substrate and the lower substrate.

Abstract: An embodiment of the disclosure provides AgInGaS quantum dots, a method for preparing the same, and an electronic device capable of controlling the emission wavelength according to the composition of Ag, In, and Ga precursors constituting a quantum dot core.

Abstract: A capacitor component includes a body including a dielectric layer and first and second internal electrode layers, and external electrodes disposed on the body and connected to the first and second internal electrode layers, respectively. The body includes an active portion in which the first and second internal electrode layers are alternately disposed with the dielectric layer interposed therebetween, a cover portion disposed on an upper portion and a lower portion of the active portion, and a side margin portion disposed on both sides of the active portion opposing each other. When a content of magnesium (Mg) included in the active portion is A1, a content of magnesium (Mg) included in the cover portion is C1, and a content of magnesium (Mg) included in the margin portion is M1, 0<A1<M1?C1 and A1/C1?0.60 are satisfied.

Abstract: A display device includes: a blue color filter layer in a blue transmission region of an upper substrate, and including first scattering particles; a green color filter layer in a green transmission region of the upper substrate, and including second scattering particles; a red color filter layer in a red transmission region of the upper substrate; a partition wall on the upper substrate and defining a blue transmission opening, a green transmission opening, and a red transmission opening, which overlap the blue transmission region, the green transmission region, and the red transmission region, respectively; a color conversion layer including red color conversion particles and third scattering particles, and accommodated in the red transmission opening; a light emitting element layer on a lower substrate facing the upper substrate; and a filling material between the upper substrate and the lower substrate.

Abstract: Provided is a photosensitive resin composition including a reactive unsaturated compound, an alkali soluble resin, an initiator, and a pigment. The reactive unsaturated compound is selected to cause the composition to exhibit high-resolution pattern properties that facilitate forming a pixel defining film in a display device. The reactive unsaturated compound may be an acryl-based compound having at least three ethylenically unsaturated double bond groups in molecules and having a viscosity of about 200 mPa s to about 280 mPa s at 40° C. A display device including such pixel defining film is also presented.