Abstract: A color conversion panel according to an exemplary embodiment includes: a substrate; and a plurality of color conversion layers and a transmission layer that are disposed on the substrate, the plurality of color conversion layers including nanocrystals, wherein at least one color conversion layer of the plurality of color conversion layers includes a first color conversion layer and a second color conversion layer, the first color conversion layer is disposed between the substrate and the second color conversion layer, and the first and second color conversion layers are configured so that a wavelength of light color-converted in the first color conversion layer is shorter than a wavelength of light color-converted in the second color conversion layer.

Abstract: One embodiment relates to a cover assembly and a motor including the same, the cover assembly comprising: a cover body; and a plurality of grooves formed on the upper surface of the cover body so as to guide coils, wherein a hole is formed at one side of the groove so as to penetrate the cover body. Therefore, the motor guides the coils to the outside by using the hole formed in the cover assembly such that assemblability is improved.

Abstract: Provided is a heterocyclic compound Chemical Formula 1 or 2: and an organic light emitting device comprising the same.

Abstract: The present invention relates to an apparatus for manufacturing a 3D element of an architectural structure. The apparatus includes: a transfer arm unit installed movably along 3D locations; a material supply unit placed at one side of the transfer arm unit to supply construction materials necessary for the manufacture of the architectural element and fillers necessary for the formation of a space in the architectural element; and a control unit controlling the operations of the transfer arm unit and the material supply unit while moving in response to positional information included in data on the shape of the architectural element such that the construction materials and the fillers are stacked on a base plane where the architectural element is to be manufactured. The control unit controls the supply of the construction materials to locations corresponding to the element of the architectural structure and the supply of the fillers to locations corresponding to the space defined by the architectural element.

Abstract: A bulk acoustic wave filter device and method thereof includes a first layer forming an air gap together with a substrate, a lower electrode disposed over the first layer, a piezoelectric layer disposed to cover a portion of the lower electrode, an upper electrode disposed over the piezoelectric layer, a frame layer disposed below the upper electrode, and a lower electrode reinforcing layer disposed on the lower electrode, other than portions in which the piezoelectric layer is disposed. The lower electrode reinforcing layer is formed by separating the lower electrode reinforcing layer from the upper electrode or the frame layer upon one of the upper electrode and the frame layer being formed.

Abstract: A liquid crystal display according to an exemplary embodiment of the inventive concept includes a display panel and a color conversion panel disposed on the display panel, in which the color conversion panel includes a color conversion media layer and a scattering layer including a scatterer and at least one of a pigment and a dye adsorbed on the scatterer.

Abstract: A display apparatus includes a display panel configured to display an image. A light guide plate is disposed below the display panel. The light guide plate has a light incident surface. A light source is disposed adjacent to the light incident surface of the light guide plate to generate first light. A light conversion layer is disposed between the light guide plate and the display panel to convert a wavelength band of incident light. An optical filter layer is disposed between the light guide plate and the light conversion layer to selectively transmit or reflect incident light.

Abstract: A bulk acoustic wave resonator includes a substrate including a cavity groove, a membrane layer disposed above the substrate and including a convex portion. And a lower electrode including a portion thereof disposed on the convex portion. The bulk acoustic wave resonator also includes a piezoelectric layer configured so that a portion of the piezoelectric layer is disposed above the convex portion, and an upper electrode disposed on the piezoelectric layer. A first space formed by the cavity groove and a second space formed by the convex portion form a cavity, the cavity groove is disposed below an active region, and the convex portion comprises an inclined surface disposed outside of the cavity groove.

Abstract: A method for controlling nematode includes treating a plant or soil with a composition comprising a grammicin compound of Formula 1 or an agriculturally acceptable salt thereof. The grammicin compound may be isolated from a Xylaria grammica strain so that it is harmless to a human body, does not cause any environmental contamination, and exhibits an excellent control activity against root knot nematodes. Thus, it can be advantageously used for developing an environment-friendly natural nematicide and production of a high value-added organic agricultural product.

Abstract: A bulk acoustic wave (BAW) resonator includes: a substrate; a first BAW resonator including a first air cavity disposed in the substrate, and further including a first electrode, a first piezoelectric layer, and a second electrode stacked on the first air cavity; a second BAW resonator including a second air cavity disposed in the substrate, and further including a first electrode, a second piezoelectric layer, and a second electrode stacked on the second air cavity, wherein the second BAW resonator is connected in parallel to the first BAW resonator and has polarities that are opposite of polarities of the first BAW resonator; and a compensation capacitor circuit connected between the first BAW resonator and the second BAW resonator.

Abstract: A display device includes: a first substrate; a second substrate facing the first substrate; a light-amount adjusting layer interposed between the first substrate and the second substrate; and a backlight unit disposed under the first substrate, wherein the second substrate includes a plurality of color conversion layers respectively disposed on a plurality of pixel regions, the color conversion layer includes a partition wall; and a phosphor disposed on areas defined by the partition wall, and the color conversion layer includes an air layer between the second substrate and the phosphor.

Abstract: A bulk acoustic resonator may include a substrate; a resonating portion including a first electrode layer, a piezoelectric layer, and a second electrode layer which are sequentially stacked on the substrate, and partitioned into an active region and a non-active region; and a frame electrode layer including frame electrodes disposed within the active region to be spaced apart from each other along an outer circumference portion of the active region.

Abstract: Disclosed are a heterocyclic compound represented by Formula 1 and an organic light emitting device using the same. The heterocyclic compound is used as a material for hole injection layer, hole transport layer, hole injection and transport layer, light emission layer, electron transport layer, or electron injection layer of the organic light emitting device and provides improved efficiency, low driving voltage, and improved lifetime characteristic.

Abstract: The present specification relates to a compound of Chemical Formula 1 and an organic electronic device comprising the same.

Abstract: Methods for providing conference service and apparatus thereof are provided, one of methods comprises, receiving identification information of a first user and identification information of a first terminal of the first user from the first terminal of the first terminal, receiving identification information of the first user and identification information of a second terminal of the first user from the second terminal of the first terminal, transmitting first contents to the first terminal of the first user and receiving at least one first reaction information about the first contents from the second terminal of the first user.

Abstract: An acoustic resonator includes a substrate, and a resonant portion comprising a center portion in which a first electrode, a piezoelectric layer and a second electrode are sequentially laminated on the substrate, and an extending portion disposed along a periphery of the center portion, wherein the resonant portion is configured to have an asymmetrical polygonal plane, an insertion layer is disposed below the piezoelectric layer in the extending portion, and the piezoelectric layer is configured to have a top surface which is raised to conform to a shape of the insertion layer, and the insertion layer is configured to have an asymmetrical polygonal shape corresponding to a shape of the extending portion.

Abstract: A urea-filling device for diesel vehicles may include a urea-overflow-preventing space formed in a portion of a urea filler neck to temporarily accommodate urea flowing backwards from a urea tank, easily preventing urea from overflowing out of the urea filler neck.

Abstract: Disclosed herein is an integrated fuel mixing prevention device for a diesel vehicle, in which a diesel filler neck and a urea filler neck are integrated with each other to prevent fuel from mixing, allowing only a diesel fuel filling gun to be inserted into a fuel inlet when a diesel fuel filling mode is selected and allowing only a urea filling gun to be inserted into the fuel inlet when a urea filling mode is selected, which may prevent a fuel mixing an accident caused by incorrect replenishment.

Abstract: Disclosed are an energy self-contained oceanic drone for AI-based marine information survey and surveillance and a method using the same. A method of monitoring, by a marine vessel system, an ocean condition may include taking in a given amount of seawater or fresh water, performing advanced water treatment on the taken-in seawater or fresh water, performing water electrolysis treatment on the water obtained through the advanced water treatment, generating electric energy using a fuel cell based on hydrogen obtained from the water through the water electrolysis treatment, and supplying the generated electric energy as electric power for the marine vessel system.

Abstract: A liquid crystal display includes: a display panel; and a color conversion layer positioned on the display panel, wherein the color conversion layer includes a scattering layer including a color conversion media layer and scatterers.