Abstract: A method for manufacturing a light emitting device includes: providing a base layer and forming an electron transport layer including first and second transport regions. The forming of the electron transport layer includes: applying an electron transport composition including a metal oxide and a photoacid generator such that first and second preliminary transport regions are formed, and irradiating the first and second preliminary transport regions with light, and in the irradiating with the light, the amount of light per unit area irradiated on the first preliminary transport region is different from the amount of light per unit area irradiated on the second preliminary transport region.

Abstract: A fuel cell power pack is provided. The fuel cell power pack may include a case, a gas tank placed in a gas tank mounting and removing part formed in the case, and a fuel cell unit placed in the case in a weight balance with the gas tank. According to the fuel cell power pack, it is possible to reduce weight by supplying power from a fuel cell while enabling long-term operation of a flying object such as a drone, to maintain an overall weight balance and achieve a stable operation of the drone, even if integrally mounted in the drone, to maintain a stable operating environment temperature of a stack by improving an air circulation structure, and to enhance the user's convenience with a gas supply structure that is easy to attach and detach the gas tank.

Abstract: A polyethylene glycol derivative compound is represented by Formula 1 described in the detailed description. In Formula 1, n is a natural number of 30 to 115, and R1 and R2 are C1 to C5 alkyl that are identical to or different from each other.

Abstract: A fan motor for a vacuum cleaner includes a motor mount defining a cooling flow path inlet, an impeller, an impeller cover defining an air inlet, an air discharge opening defined at the motor mount and configured to discharge air to an outer space of the motor mount, and a cooling flow path outlet defined vertically above the motor mount. The cooling flow path inlet is configured to introduce air from the outer space of the motor mount into an inner space of the motor mount to cool the motor part, and the cooling flow path outlet is configured to discharge air from the inner space of the motor mount toward a space that is defined between the impeller and the air discharge opening based on the space between the impeller and the air discharge opening having a lower pressure than the inner space of the motor mount.

Abstract: The present invention discloses a degassing device for battery cell to remove gas generated inside the battery cell, the degassing device comprises: a frame body including a driving shaft moving straight, and fixed shafts fixed on the driving shaft; a module fixed member including a module actuator body combined with the driving shaft and a module fixed body fixed to the fixed shafts to guide the driving shaft to move straight; a first actuator module mounted on the module actuator body, and a second actuator module mounted on the module fixed body to face the first actuator module, wherein the first and second actuator module are a pair facing each other and enables the battery cell to discharge gas and the perforated portion to be sealed, wherein and a plurality of the pairs are installed on the driving shaft and the fixed shafts.

Abstract: A fan motor for a vacuum cleaner includes a motor mount defining a cooling flow path inlet, an impeller, an impeller cover defining an air inlet, an air discharge opening defined at the motor mount and configured to discharge air to an outer space of the motor mount, and a cooling flow path outlet defined vertically above the motor mount. The cooling flow path inlet is configured to introduce air from the outer space of the motor mount into an inner space of the motor mount to cool the motor part, and the cooling flow path outlet is configured to discharge air from the inner space of the motor mount toward a space that is defined between the impeller and the air discharge opening based on the space between the impeller and the air discharge opening having a lower pressure than the inner space of the motor mount.

Abstract: Disclosed is a lumbar supporting system of a chair and a chair having the same, and an object to be achieved by the present disclosure is to provide a lumbar supporting system of a chair and a chair having the same, which are capable of accurately supporting a user's waist according to the user's body type by adjusting a height and depth of a lumbar pad by using a vertical operating force.

Abstract: One aspect of the present invention provides a compound in which a functional group capable of binding to a globulin Fc region or a physiologically active polypeptide is introduced at one end of a non-peptidic polymer and a functional group capable of a click reaction is introduced at the other end; a polypeptide conjugate in which a physiologically active polypeptide binds to one end of the compound; a physiologically active polypeptide conjugate in which a physiologically active polypeptide and an immunoglobulin Fc region bind to both ends thereof by using the compound as a linker; and methods for preparing the same compound, polypeptide conjugate, and physiologically active polypeptide conjugate.

Abstract: Disclosed herein is a refrigerator in which the structure of a door is improved. The refrigerator includes a main body having a storage compartment, a door rotatably coupled to the main body to open or close the storage compartment and having a door frame, a coupling member coupled to the door frame, and a door handle coupled with the coupling member in a sliding manner.

Abstract: A semiconductor device including a memory device which has improved reliability is provided. The semiconductor device comprises at least one data pin configured to transfer a data signal, at least one command address pin configured to transfer a command and an address, at least one serial pin configured to transfer a serial data signal, and processing circuitry connected to the at least one data pin and the at least one serial pin. The processing circuitry is configured to receive the data signal from outside through the at least one data pin, and the processing circuitry is configured to output the serial data signal through the at least one serial pin in response to the received data signal.

Abstract: An elastic member made of a non-metal material, which is used for a pump dispenser, according to some embodiments of the present disclosure may include: an upper ring; a lower ring; and a plurality of links, which is laminated and connected in a zig-zag form to provide elastic restoration force for compression or elongation.

Abstract: A memory module includes a memory device configured to receive a first refresh command from a host, and perform a refresh operation in response to the first refresh command during a refresh time, and a computing unit configured to detect the first refresh command provided from the host to the memory device, and write a first error pattern at a first address of the memory device during the refresh time.

Abstract: An embodiment of the present invention provides a MXene nanodot core-carbon shell multifunctional catalyst including a MXene nanodot core and a carbon shell surrounding the MXene nanodot core. By introducing the carbon shell surrounding the nanodot core, the stability of the catalyst is ensured, thereby providing effects in that the catalyst may function under various conditions.

Abstract: Provided is a refrigerator having a simplified interior. The refrigerator includes a main body, a storage compartment formed in the main body and having a front side thereof open, a first door rotatably coupled to the main body to open and close a part of the storage compartment, a second door arranged below the first door and rotatably coupled to the main body to open and close a remaining part of the storage compartment, a filler rotatably provided on the first door or the second door to seal a gap between the first door and the second door in a state in which the first door and the second door are closed, a filler guide configured to guide the filler to be rotated in a first direction, and disposed on a sidewall of the storage compartment adjacent to a rotation axis of the first door and the second door, and a filler pusher configured to push the filler to be rotated in a second direction opposite to the first direction.

Abstract: The present disclosure relates to a rendering method for generating an image of an assembling toy formed by coupling a plurality of assembling elements arranged in a virtual space. The rendering method includes placing a virtual camera, which is an origin of a ray of light traveling in the virtual space, in the virtual space; emitting a virtual ray from the virtual camera; and determining a pixel value of a pixel corresponding to the virtual ray among pixels of the image in consideration of characteristic information of a transparent assembling element when the virtual ray hits the transparent assembling element among the plurality of assembling element wherein the characteristic information includes at least a transmittance albedo and a reflection albedo.

Abstract: The present invention relates to a gas heat pump system. A gas heat pump system according to one embodiment of the present invention comprises: a compressor for compressing a refrigerant; a gas engine for driving the compressor; a mixer for mixing air and fuel to generate a mixed gas to be supplied to the gas engine; a mixed gas supply line connected between the mixer and the gas engine; and a supercharger for supercharging the mixed gas supplied to the gas engine through the mixed gas supply line, wherein the supercharger comprises a sealed housing formed by sealing the remaining parts thereof other than an inlet port and an outlet port through which the mixed gas moves into and out of the housing, and a bypass line is provided between the sealed housing and the inlet port of the supercharger so as to resupply a mixed gas in the sealed housing to the inlet port of the supercharger.