Abstract: Disclosed is a melt-blown fiber web with improved concentration force and elasticity, whereby a melt-blown fabric is cut and sealed at predetermined intervals using knives having arbitrary patterns so that concentration force and elasticity of the melt-blown fiber web can be improved without degrading the inherent function of the fiber web. Further disclosed are a method and apparatus for manufacturing the melt-blown fiber web. The melt-blown fiber web includes thermoplastic filaments, wherein cutting portions and sealing portions are arranged on top and bottom surfaces of the fiber web at predetermined intervals along a thickness of the fiber web so that a concentration force and elasticity of the fiber web are improved.

Abstract: Disclosed are an undercover for vehicles with high elasticity and rigidity and a method of manufacturing the same. The undercover for vehicles with high elasticity and rigidity may include a needle-punched nonwoven fabric having a multi-layer structure of felt layers including a first PET fiber and a low-melting-point PET fiber, and each of the felt layers may have improved tensile strength and have optimized fiber alignment, to thereby improve the binding between fibers, mechanical rigidity and elasticity, as well as to reduce the weight of components, improve durability and secure harmlessness and inline workability.

Abstract: The present invention provides an organic electroluminescent element and electronic device thereof, wherein the organic electroluminescent element comprises the compound represented by Formula 1 as material for an emission-auxiliary layer, and by comprising the compound represented by Formula 1 in the emission-auxiliary layer, the driving voltage of the organic electroluminescent element can be lowered, and the luminous efficiency and life time of the organic electroluminescent element can be improved.

Abstract: A vacuum dryer including a chamber configured to provide an interior space, support pins in the interior space proximate to a bottom of the chamber, a power supply configured to supply power to the support pins, and a pump coupled to the interior space in the chamber.

Abstract: Provided are a compound of Formula 1; an organic electric element comprising a first electrode, a second electrode, and an organic material layer formed between the first electrode and the second electrode, comprising a compound of Formula 1 in the organic material layer; and an electronic device comprising the element, which has lowered driving voltage and increased luminous efficiency and life time.

Abstract: The present invention provides an organic electric element in which a first electrode, a second electrode, and an organic material layer are sequentially stacked, wherein the organic material layer comprises a hole transport layer, an emission-auxiliary layer and a light emitting layer, at least one of the hole transport layer and the emission-auxiliary layer comprises the compound represented by Formula 1, and the light emitting layer comprises the compound represented by Formula 2. According to the present invention, the driving voltage of an organic electronic device can be lowered, and the luminous efficiency, color purity and life time of an organic electronic device can be improved.

Abstract: A display panel with microcavities each having ends of asymmetric cross-sectional area. An exemplary display panel has a substrate; a pixel electrode formed on the substrate; a first black matrix and a second black matrix each disposed on the substrate; and a supporting member disposed on the substrate over the pixel electrode and the black matrix, the supporting member shaped so as to form a microcavity between the pixel electrode and the supporting member, the microcavity having an upper surface proximate to the supporting member and a lower surface opposite the upper surface. The microcavity has one end positioned over the first black matrix, and another end opposite the first end and positioned over the second black matrix; the lower surface of the microcavity has first and second channels disposed therein, the first channel positioned over the first black matrix, and the second channel positioned over the second black matrix.

Abstract: A multi-drive apparatus for phase shifters is disclosed. The disclosed multi-drive apparatus for phase shifters includes: a main-axle gear; a multiple number of output shafts each connected to a phase shifter; a multiple number of output gears coupled with the output shafts; and a cam part having the output shafts arranged on its upper surface, where at least one recess is formed in the upper surface of the cam part, and when at least one of the output shafts is inserted into the recess according to a movement of the cam part, then an output gear coupled with the output shaft inserted into the recess engages the main-axle gear. With the disclosed multi-drive apparatus, it is possible to drive multiple phase shifters using just two motors.

Abstract: A semiconductor device according to an embodiment includes: a light emitting structure including a first conductive semiconductor layer, an active layer under the first conductive semiconductor layer, a second conductive semiconductor layer under the active layer, and a plurality of recesses exposing a lower portion of the first conductive semiconductor layer; at least one pad arranged outside the light emitting structure and arranged to be adjacent to at least one edge; and a plurality of insulation patterns arranged in the recesses and extending to a lower surface of the light emitting structure, in which widths of the plurality of insulation patterns are reduced as the insulation patterns become further away from the pad. The semiconductor device according to the embodiment may prevent a current from being focused on a recess area adjacent to the pad.

Abstract: A semiconductor light-emitting device includes a plurality of light-emitting device structures separated from each other and arranged in a matrix form. A pad region at least partially surrounds the plurality of light-emitting device structures. The pad region is disposed outside of the plurality of light-emitting device structures. A partition structure is disposed on a first surface of the plurality of light-emitting device structures and is further disposed between adjacent light-emitting device structures of the plurality of light-emitting device structures. The partition structure defines a plurality of pixel spaces within the plurality of light-emitting device structures. A fluorescent layer is disposed on the first surface of the plurality of light-emitting device structures and fills each of the plurality of pixel spaces.

Abstract: Use of a mixture of compounds according to the present invention as a phosphorescent host material can achieve a high light emitting efficiency and a low driving voltage in an organic electric element. In addition, an organic electric element having a greatly improved lifespan, and an electronic device comprising the same are provided.

Abstract: Provided are an organic electric element and an electronic device comprising the same. According to the present invention, the organic electric element uses a mixture of compounds as a phosphorescent host material which can achieve a high light-emitting efficiency and a low driving voltage and can greatly improve a lifespan in an organic electric element.

Abstract: Provided is a novel compound for EBL capable of improving the light emitting efficiency, stability and life span of a device, and an organic electric element and an electronic device using the same.

Abstract: A liquid-crystal display device includes a substrate, a thin-film transistor (“TFT”) disposed on the substrate, an insulation film disposed on the TFT, a pixel electrode disposed on the insulation film, an expanded electrode disposed in a same layer as the pixel electrode, a connection electrode which is disposed in the same layer as the pixel electrode and connects the pixel electrode with the expanded electrode, and a shield electrode disposed in the same layer as the pixel electrode and separated from the pixel electrode, the connection electrode and the expanded electrode, where the expanded electrode is electrically connected to the TFT via a contact hole defined in the insulation film, and where the shield electrode includes a first shield portion disposed between the pixel electrode and the contact hole in a plan view, and a second shield portion other than the first shield portion.

Abstract: Disclosed in an embodiment is a light emitting device comprising: a light-emitting structure having a first semiconductor layer, an active layer under the first semiconductor layer, and a second semiconductor layer under the active layer; a first contact layer disposed under the light-emitting structure; a reflective layer disposed under the first contact layer; a first electrode layer including a capping layer disposed under the reflective layer; a second electrode layer electrically connected with the first semiconductor layer; a protective layer disposed at the outer peripheral portion between the capping layer and the light-emitting structure; a barrier layer at an outer side of the reflective layer and made of a metal different from that of the reflective layer; and a support member disposed under the capping layer.

Abstract: A light-emitting package includes a light-emitting structure having a first surface and a second surface opposite to the first surface. The light-emitting package further includes an electrode layer disposed on the first surface and an insulating layer disposed on the light-emitting structure and the electrode layer. The light-emitting package additionally includes an interconnection conductive layer penetrating the insulating layer and connected to the electrode layer and a reflective layer disposed between the insulating layer and the interconnection conductive layer. The reflective layer reflects light generated from the light-emitting structure in a direction toward the second surface.

Abstract: The present invention provides a novel compound capable of improving the luminous efficiency, stability and life of an element, an organic electronic element using the same, and an electronic device comprising same.

Abstract: A curved display device including a first substrate, a thin film transistor (TFT) disposed on the first substrate, a pixel electrode connected to the TFT, a second substrate overlapping the first substrate, a liquid crystal layer disposed between the first and the second substrates, and a common electrode disposed between the second substrate and the liquid crystal layer, in which the pixel electrode includes a cross-shaped stem portion having a horizontal stem portion, a vertical stem portion, and a plurality of fine branches extending from the cross-shaped stem portion, at least one of the fine branches includes a first portion and a second portion having a width greater than that of the first portion, and an extending line from a boundary between the first portion and the second portion is sloped at an angle in a range of ?10 degrees to +10 degrees with respect to the vertical stem portion.

Abstract: A semiconductor device according to an embodiment includes: a light emitting structure including a first conductive semiconductor layer, an active layer under the first conductive semiconductor layer, a second conductive semiconductor layer under the active layer, and a plurality of recesses exposing a lower portion of the first conductive semiconductor layer; at least one pad arranged outside the light emitting structure and arranged to be adjacent to at least one edge; and a plurality of insulation patterns arranged in the recesses and extending to a lower surface of the light emitting structure, in which widths of the plurality of insulation patterns are reduced as the insulation patterns become further away from the pad. The semiconductor device according to the embodiment may prevent a current from being focused on a recess area adjacent to the pad.

Abstract: The present invention provides the compound represented by Formula 1, and an organic electric element comprising a first electrode, a second electrode, and an organic material layer formed between the first electrode and the second electrode, wherein the organic material layer comprises the compound represented by Formula 1. The driving voltage of an organic electronic device can be lowered, and the luminous efficiency, color purity and life time of an organic electronic device can be improved by comprising the compound represented by Formula 1 in the organic material layer.