Abstract: The present invention relates to a method for mass synthesis of carbon nanotubes and carbon nanotubes synthesized thereby and, more specifically, to a method for mass synthesis of carbon nanotubes and carbon nanotubes synthesized thereby, wherein the method enables not only the synthesis of a catalyst at a high rate through plasma generation without a separate reductant but also the continuous mass synthesis of high-purity carbon nanotubes. The technical essences of the present invention are a method for mass synthesis of carbon nanotubes and carbon nanotubes synthesized thereby, the method comprising: a first step of supplying a CNT growth material containing a carbon precursor; a second step of disposing a pair of metal wires in a solution mixed with a metal salt, and applying electric power to the metal wires to generate plasma; and a third step of thermally treating the CNT growth material and the catalyst.

Abstract: A skin care device using multiple composite laser pulses according to an embodiment of the present disclosure includes: a laser generating unit including an energy portion configured to supply energy, a light emission portion configured to generate light by absorbing the energy supplied from the energy portion, a first mirror and a second mirror configured to form a resonance path in which the light generated from the light emission portion is amplified, a polarizing portion disposed on an optical resonant path between the first mirror and the second mirror and configured to polarize the light, and a first switch and a second switch configured to convert a polarization component of an incident polarized light; and a control unit configured to control the first switch and the second switch so that the laser generating unit operates in a single laser pulse mode or a multiple laser pulse mode.

Abstract: Disclosed is a polarized light generating device based on an optical waveguide, which includes first to fourth input optical waveguides, respectively, for receiving input light from an outside, first to fifth optical splitters configured to receive at least one light and output the received at least one light as at least one light, and an optical converter configured to receive at least one light from the fifth optical splitter and convert the received light to generate polarized light. The polarized light generating device receives the input light through one of the first to fourth input optical waveguides, and generates a first polarized light, a second polarized light, a third polarized light, and a fourth polarized light. The first to fourth polarized lights belong to elements of two arbitrary two-dimensional mutually unbiased basis sets.

Abstract: Disclosed is an integrated thermal management system for a vehicle including a refrigerant flow line extending to allow a refrigerant discharged from a compressor to flow in the order of an indoor condenser, an external condenser, and an evaporator and to flow back to the compressor, a refrigerant chiller line branching from the refrigerant flow line at each of the points downstream of the compressor, the indoor condenser, or the external condenser, the refrigerant chiller line joining the refrigerant flow line at a point upstream of the compressor after the refrigerant passes through a battery chiller and an electric chiller or bypasses the same, a battery cooling line extending to allow a coolant to circulate while passing through a battery radiator or the battery chiller, and an electric cooling line extending to allow a coolant to circulate while passing through an electric radiator or the electric chiller.

Abstract: A display device includes: a substrate; a display element on the substrate; a capping layer on the display element; and a thin film encapsulation layer on the capping layer, wherein the capping layer includes: a first capping layer on the display element; a second capping layer on the first capping layer, the second capping layer having a refractive index greater than that of the first capping layer; and a third capping layer on the second capping layer, the third capping layer having a refractive index smaller than that of the second capping layer, wherein the second capping layer has a thickness of 30 nanometers (nm) to 60 nm.

Abstract: The present disclosure relates to an antenna element including: a dielectric layer; a radiation electrode arranged on an upper surface of the dielectric layer and including a first mesh structure; and a dummy electrode arranged on the upper surface of the dielectric layer and including a second mesh structure, in which at least one of the radiation electrode and the dummy electrode satisfies Equation 1, and an image display device including the same.

Abstract: A lower module of a power electronic device includes a lower module included in a power electronic device that is divided into an upper module and a lower module by an intermediate plate and comprises a blower fan to introduce air into the inner space of the lower module; a plurality of capacitors installed in a suspended form on the intermediate plate and spaced apart from the blower fan; a heat sink having a plurality of heat dissipation fins through which heat generated from a heating component disposed on the upper module is conducted, and disposed adjacent to the capacitors to cool the plurality of heat dissipation fins by air moved from the plurality of capacitors; a DC reactor cooled by the air moved from the heat dissipation fins; and a discharge plate having a vent hole to discharge the air moved from the DC reactor to the outside.

Abstract: A powder supply management system for a laser forming device, includes: a hopper for discharging powder; a main sampling unit which guides a portion of the powder discharged from the hopper to the laser forming device and guides the remaining powder to be discharged to another location; and a discharge monitoring unit which calculates an amount of the remaining powder separated in the main sampling unit.

Abstract: A hidden type holder device includes: a stationary assembly, a movable assembly, and a first return spring, the movable assembly is accommodated in the stationary assembly and movable to the inside or outside of the stationary assembly, the movable assembly has a retractable holder assembly for accommodating an article, and two opposite end portions of the return spring are respectively mounted on the stationary assembly and the movable assembly.

Abstract: A display device includes a display panel comprises a display area and a non-display area surrounding the display area; a cover panel disposed on a rear surface of the display panel and comprising a front surface, a first side surface connected to the front surface and bent along a first bending line, a second side surface connected to the front surface and bent along a second bending line intersecting the first bending line, and a first corner located between the first side surface and the second side surface; and an alignment notch defined at the first corner of the cover panel.

Abstract: Disclosed is a high voltage output device having a serial-parallel stack structure of capacitors. The high voltage output device includes a substrate includes a capacitor element and a pillar structure provided on an upper surface of the substrate. The substrate includes a first electrode and a second electrode, which have different potentials from each other. The capacitor element is connected to at least one of the first electrode and the second electrode.

Abstract: An embodiment sulfur dioxide-based inorganic electrolyte is provided in which the sulfur dioxide-based inorganic electrolyte is represented by a chemical formula M·(A1·Cl(4-x)Fx)z·ySO2. In this formula, M is a first element selected from the group consisting of Li, Na, K, Ca, and Mg, A1 is a second element selected from the group consisting of Al, Fe, Ga, and Cu, x satisfies a first equation 0?x?4, y satisfies a second equation 0?y?6, and z satisfies a third equation 1?z?2.

Abstract: An organic light emitting diode display device includes a substrate having an emitting area and a non-emitting area. An insulating layer is on the substrate, and the insulating layer includes a plurality of convex portions, a plurality of connecting portions and at least one wall in the emitting area. A height of the at least one wall is greater than a height of the plurality of convex portions. A first electrode is on the substream, emitting layer is on the first electrode, a second electrode is on the emitting layer. The first electrode, the emitting layer and the second electrode constitute a light emitting diode.

Abstract: A coffee recycled vegan leather sheet and the method for manufacturing the coffee recycled vegan leather sheet may include: a coffee grounds powder manufacturing step of drying coffee grounds to remove moisture, and pulverizing a dried coffee grounds to produce micronized coffee grounds powder; a first mixing step of mixing the coffee grounds powder obtained from the coffee grounds powder manufacturing step and a shaving scrap and latex, which are usually used as raw materials for recycled leather, into a mixing tank, respectively, and a second mixing step of adding a fatliquoring agent and a dispersing agent for imparting flexibility to the mixture into the mixing tank for mixing; a coffee regenerated leather molding step of drying the mixture that has undergone the secondary mixing step and passing it between pressing rolls to compression-mold it into regenerated coffee leather.

Abstract: An apparatus for detecting the status of a tool in a machine tool may include: a sensor unit configured to sense acceleration of a spindle of the machine tool in an x-axis direction and a y-axis direction during processing; and a processing device configured to convert the x-axis signal and the y-axis signal, sensed by the sensor unit, into signals capable of representing a cutting force by processing the x-axis and y-axis signals, detect a resultant force, and plot the detected resultant force on a polar coordinate system.

Abstract: A display device includes a display panel comprises a display area and a non-display area surrounding the display area; a cover panel disposed on a rear surface of the display panel and comprising a front surface, a first side surface connected to the front surface and bent along a first bending line, a second side surface connected to the front surface and bent along a second bending line intersecting the first bending line, and a first corner located between the first side surface and the second side surface; and an alignment notch defined at the first corner of the cover panel.

Abstract: A method of making a lightweight foamed recycled leather is described. The method includes pulverizing the collagen fiber waste generated in a controlling a thickness of the leather during a leather process; neutralizing the resultant of step (a) by a soda ash with a water; (c) dyeing and fat-liquoring process treating the resultant of the step (c); (d) mixing a latex, a dispersant, a coagulant, and a thermally expandable microspheres with the resultant of step (c); (e) coagulating a collagen fiber powder and the latex by adding a coagulant into the resultant of step (d); (f) dehydrating and drying the resultant of step (e); and (g) heat treating the resultant of step (f) to foam thermally expandable microspheres, thereby to impart functionality to the recycled leather.

Abstract: Disclosed are a method of manufacturing fermented porcine blood having antibacterial activity and poultry egg-laying enhancement and weight gain effects, and an antibacterial composition and a poultry feed composition using the fermented porcine blood.

Abstract: A method of making a lightweight foamed recycled leather, the method includes pulverizing the collagen fiber waste generated in a controlling a thickness of the leather during a leather process; neutralizing the resultant of step (a) by a soda ash with a water; (c) dyeing and fat-liquoring process treating the resultant of the step (c); (d) mixing a latex, a dispersant, a coagulant, and a thermally expandable microspheres with the resultant of step (c); (e) coagulating a collagen fiber powder and the latex by adding a coagulant into the resultant of step (d); (f) dehydrating and drying the resultant of step (e); and (g) heat treating the resultant of step (f) to foam thermally expandable microspheres, thereby to impart functionality to the recycled leather.

Abstract: A liquid crystal display device includes a backlight assembly including a light source that generates a light and an optical sheet that transmits the light, and a display panel disposed on the backlight assembly. The optical sheet includes a light-transmitting portion and an extending portion that are formed as a unitary single unit, and further includes a side light-blocking portion that is combined with the extending portion. The light-transmitting portion extends in a first direction, and the extending portion extends continuously from an end of the light-transmitting portion in a second direction that is different from the first direction.