Abstract: The present invention relates to a method for preparing carbon nanotubes, the method including: preparing a support including AlO(OH) by primary heat treatment of Al(OH)3; preparing an active carrier by supporting a mixture including a main catalyst precursor and a cocatalyst precursor on the support; drying the active carrier through multi-stage drying including vacuum drying; preparing a supported catalyst by secondary heat treatment of the dried active support; and preparing carbon nanotubes in the presence of the supported catalyst, and the carbon nanotubes prepared by the method as described above can remarkably improve conductivity.

Abstract: Disclosed are a spinning dope for an aramid and carbon-nanotube composite fiber and a method of manufacturing an aramid and carbon-nanotube composite fiber using the same.

Abstract: An apparatus for supplying emergency power according to an embodiment of the present disclosure includes: a protection circuit unit connected to a battery and configured to limit an available voltage range of the battery; a bypass unit connected in parallel to the protection circuit unit and configured to form a bypass path of a current output from the battery according to an operation state of a disposed switching element; and a control unit configured to electrically connect the bypass path formed by the bypass unit by controlling the operation state of the switching element to a turn-on state.

Abstract: A display device includes a display panel including a plurality of pixels, a folding area, a first non-folding area disposed on one side of the folding area, and a second non-folding area disposed on the other side of the folding area, a first adhesive layer disposed on one surface of the display panel, and a code pattern layer. The code pattern layer includes a light absorption layer disposed on one surface of the first adhesive layer, a base layer disposed on the light absorption layer, and a plurality of code patterns disposed on the base layer. A thickness of the base layer is smaller than a thickness of the first adhesive layer.

Abstract: A composite panel includes a substrate-less touch sensor panel and a first coupling member coupled to one surface of the touch sensor panel via a first adhesive layer.

Abstract: A lubricating oil supply apparatus having a structure in which a valve is forced in a direction for opening a bypass hole by a centrifugal force, and a spring presses the valve in a direction in which the valve closes the bypass hole. When the above-described structure is applied to an oil pump in which an oil (lubricating oil) supply amount increases in proportion to an operation speed, it is possible to secure a sufficient oil (lubricating oil) supply amount in a low speed operation mode, and prevent oil from being supplied more than necessary in a high speed operation mode.

Abstract: A motor assembly for compressing a fluid by causing a rotational shaft to reciprocate by providing a drive force to the rotational shaft, and a reciprocating compressor including a motor assembly are provided. The motor assembly may include a cylinder block in which a bore is formed and which is penetrated by the rotational shaft, a stator coupled to the cylinder block, a rotor installed at an outer circumferential surface of the stator so as to be rotated by the stator and which is coupled to the rotational shaft so as to rotate together with the rotational shaft, and at least one fastening member that fastens the stator and the cylinder block to each other such that the stator is supported by the cylinder block.

Abstract: A motor assembly for compressing a fluid by causing a rotational shaft to reciprocate by providing a drive force to the rotational shaft, and a reciprocating compressor including a motor assembly are provided. The motor assembly may include a cylinder block in which a bore is formed and which is penetrated by the rotational shaft, a stator coupled to the cylinder block, a rotor installed at an outer circumferential surface of the stator so as to be rotated by the stator and which is coupled to the rotational shaft so as to rotate together with the rotational shaft, and at least one fastening member that fastens the stator and the cylinder block to each other such that the stator is supported by the cylinder block.

Abstract: A vacuum insulated glass unit (IGU) including an interconnected polymer spacer matrix and methods of making the same. The vacuum IGU includes a first glass-based layer, a second glass-based layer, an interconnected polymer spacer matrix, and an edge seal between the periphery of the first and second glass-based layers.

Abstract: A reciprocating type compressor having a structure in which a rotational support of a rotational shaft and a cylinder are manufactured as separate components; a frame provided with the rotational support fixes the cylinder; and a cylinder head is fixed to the frame to cover the cylinder.

Abstract: A glass etching composition contains a base etching solution for etching glass and a syrup made from hydrolysis of starch. The syrup contains at least one selected from the group consisting of glucose, maltose, and dextrin. The base etching solution contains hydrogen fluoride, ammonium fluoride, and water. The glass etching composition further contains at least one selected from the group consisting of starch powder, Fibersol®, pectin, and guar gum. A method of manufacturing anti-glare glass includes etching glass using a first glass etching solution by screen printing. The first glass etching solution contains a base etching solution for etching glass and a syrup made from hydrolysis of starch. The glass has higher chemical durability than soda-lime glass. The method further includes etching the glass with a second glass etching solution after etching the glass using the first glass etching solution.

Abstract: The present disclosure relates to a mobile phone prepaid card service system, a clone card storage device thereof, and a service method. The prepaid card service system according to the present disclosure comprises: a prepaid card company server for issuing a mobile phone prepaid card, which can be used for the amount of money added thereto; and a prepaid card wallet application stored in a storage space of a terminal of a user using the mobile phone prepaid card and executed thereon, and storing the mobile phone prepaid card, wherein the mobile phone prepaid card comprises a default card connected to a user account stored in the prepaid card company server, and at least one option card, which is distinct from the default card and has at least one additional function.

Abstract: A lubricating oil supply apparatus having a structure in which a valve is forced in a direction for opening a bypass hole by a centrifugal force, and a spring presses the valve in a direction in which the valve closes the bypass hole. When the above-described structure is applied to an oil pump in which an oil (lubricating oil) supply amount increases in proportion to an operation speed, it is possible to secure a sufficient oil (lubricating oil) supply amount in a low speed operation mode, and prevent oil from being supplied more than necessary in a high speed operation mode.

Abstract: A reciprocating type compressor having a structure in which a rotational support of a rotational shaft and a cylinder are manufactured as separate components; a frame provided with the rotational support fixes the cylinder; and a cylinder head is fixed to the frame to cover the cylinder.

Abstract: The present invention relates to a substrate for color conversion, a manufacturing method therefor, and a display device comprising the same and, more specifically, to a substrate for color conversion for not only securing the long-term stability of quantum dots but also exhibiting excellent color conversion efficiency, a manufacturing method therefor, and a display device comprising the same. To this end, the present invention provides a substrate for color conversion, a manufacturing method therefor, and a display device, the substrate for color conversion comprising: a thin plate glass; a coating layer for quantum dots formed on one surface of the thin plate glass; a light guide plate disposed to face the coating layer for quantum dots, a light emitting diode being disposed on the sides thereof; and a sealing material which is formed between the thin plate glass and the light guide plate and which blocks the coating layer for quantum dots from the outside.

Abstract: The present invention relates to a method for manufacturing a light-emitting diode package, and more specifically to a method for manufacturing a light-emitting diode package that does not need an additional color conversion frit heat-treatment process and cutting process after bonding between the color conversion frit and a light-emitting diode chip. To this end, the present invention provides a method for manufacturing a light-emitting diode package characterized in that the present invention comprises: a color conversion frit formation step for forming a color conversion frit in which phosphor is included on a substrate; a color conversion frit transcription step for transcribing the color conversion frit formed on the substrate from the substrate to a transcription film; and a color conversion frit bonding step for bonding the color conversion frit transcribed on the transcription film onto a light-emitting diode package.

Abstract: The present invention relates to a color-converting substrate of a light-emitting diode and a method for producing same, and more specifically to a color-conversion substrate of a light-emitting diode capable of completely protecting the quantum dots (QDs) supported in the interior from the exterior as hermetic sealing is possible, and a method for producing the color-converting substrate.

Abstract: The present invention relates to a substrate for changing the color of a light emitting diode and a method for producing same and, more particularly, to a substrate for changing the color of a light emitting diode and a method for producing same, wherein the substrate may be hermetically sealed so that quantum dots (QD) contained inside may be completely protected from the outside and emission efficiency of the light emitting diode may be enhanced.

Abstract: The present invention relates to a color-converting substrate of a light-emitting diode and a method for producing same, and more specifically to a color-converting substrate of a light-emitting diode capable of completely protecting the quantum dots (QD) supported in the interior from the exterior as hermetic sealing is possible, and a method for producing the color-converting substrate.

Abstract: The present invention relates to a quantum dot composite and a photoelectric device comprising the same, and more particularly, to a quantum dot composite having excellent optical characteristics, thereby improving the light efficiency of a photoelectric device, and a photoelectric device comprising the same. To this end, the present invention provides a quantum dot composite and a photoelectric device comprising the same, the quantum dot composite comprising: a matrix layer; a plurality of quantum dots dispersed inside the matrix layer; and a plurality of scattering particles dispersed inside the matrix layer in a manner of being disposed between the plurality of quantum dots, wherein the scattering particles have a hollow formed therein, thereby showing multiple refractive indices.