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 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 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 refrigerator includes a main body, a storage chamber formed in the main body, a shelf support portion provided at a rear side of the storage chamber, a plurality of shelves coupled to the shelf support portion so that the shelves are arranged next to each other, and an adjustment member coupled to the shelves so as to remove a height difference between the plurality of shelves. Coupling grooves are respectively formed in the shelves. The adjustment member is inserted into the coupling holes of the shelves and then rotates by a predetermined angle such that the adjustment member is fixed to the shelves. The adjustment member maintains a constant interval between the shelves and prevents the shelves from moving relative to each other. The adjustment member is easily coupled to and separated from others.

Abstract: Disclosed herein is a refrigerator which allows a user to check the status of a storage chamber with a camera without opening a door. The refrigerator includes a body having a storage chamber, a door rotatably coupled to the body to open or close the storage chamber, a frame coupled to the door and including a housing in which a camera configured to photograph the inside of the storage chamber is installed, and a first door bin configured to receive an object to be cooled, detachably coupled to the frame, and located on an upper portion of the housing to be supported by the housing.

Abstract: A light emitting device including a light emitting element for emitting blue light; and a fluorescent film including a single crystal fluorescent material or a polycrystalline fluorescent material, wherein the fluorescent film absorbs the blue light and emits light having a wavelength different from that of the blue light, wherein the fluorescent film faces a surface of the light emitting element, and the fluorescent material included in the fluorescent film is represented by the following Formula (1): Y3-x-yLxMyAl5O12 wherein L is Gd or Lu, and M is Ce, Tb, Eu, Yb, Pr, Tm, or Sm, 0?x?2.999, and 0.001?y?0.1.

Abstract: In accordance with an embodiment of the present disclosure, a cooking apparatus includes a casing, a cooking chamber provided inside the casing and including a discharge plate at which a plurality of outlet holes are formed, a tray provided at a bottom surface of the cooking chamber to support food, and a hot air discharging unit configured to discharge high-temperature air into the cooking chamber through the outlet holes, wherein the plurality of outlet holes are formed at a first area facing the tray.

Abstract: A refrigerator includes a main body, a storage chamber formed inside the main body, a door coupled to the main body to open and close the storage chamber, and a hinge coupled to the main body to rotatably support the door, the door includes a lower plate forming a lower surface of the door and a door cap coupled to the lower plate and having a hinge groove, the hinge includes a shaft inserted into the hinge groove, and the shaft includes a door closing preventer configured to prevent the door from being automatically closed in a state in which the door is opened.

Abstract: A display device and a backlight unit are provided. A display device including a first side on which a light source is disposed to face the first side, the display device includes an optical member including a light guide plate, a light source assembly disposed adjacent to the first side of the optical member, a lower accommodation container accommodating the light source assembly and the optical member, a backlight unit disposed on the lower accommodation container and including a middle accommodation container including a central opening; and a display panel disposed on the backlight unit and the middle accommodation container, wherein the middle accommodation container includes a middle chassis located at the first side, and a middle mold fastened to the middle chassis and disposed along at least one side of the display device other than the first side, and the middle chassis is formed of a material having a greater heat conductivity than the middle mold.

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.

Abstract: The present disclosure relates to a nonwoven fabric having enhanced withdrawal force for a carpet backing fabric, which is composed of a nonwoven fabric comprising 50 to 90% by weight of polyester filaments having a melting point of 250° C. or higher and 10 to 50% by weight of low-melting point copolyester filaments having a melting point of 200° C. or lower. According to the present disclosure, a nonwoven fabric comprising low-melting point polyester fibers is used as a backing fabric and the thickness of the backing fabric is controlled, so that the withdrawal force of carpets is enhanced, thereby suppressing the falling out of BCF yarns from the carpet.

Abstract: A storage container having a storage space, includes a partition member configured to divide the storage space of the storage container, the partition member having a first partition member movable in a first direction in the storage space, and a second partition member movable in a second direction in the storage space while crossing the first partition member, and a moving guide provided in an intersection between the first partition member and the second partition member and configured to guide a movement of the first partition member and a movement of the second partition member and to fix the first partition member and the second partition member so as not to move, the storage container may be configured to move a partition fixing portion disposed in the moving guide in a direction to contact the partition member according to the rotation of the upper portion of the moving guide.

Abstract: Disclosed herein is a refrigerator which allows a user to check the status of a storage chamber with a camera without opening a door. The refrigerator includes a body having a storage chamber, a door rotatably coupled to the body to open or close the storage chamber, a frame coupled to the door and including a housing in which a camera configured to photograph the inside of the storage chamber is installed, and a first door bin configured to receive an object to be cooled, detachably coupled to the frame, and located on an upper portion of the housing to be supported by the housing.

Abstract: The present invention relates to a polyethylene glycol derivative and a preparation method thereof. A preparation process of a polyethylene glycol derivative, according to the present invention, may provide a novel polyethylene glycol derivative which can be utilized in various ways as a drug linker, and is appropriate and effective for mass production and is advantageous in reproducible mass production of high-quality products.

Abstract: Disclosed herein are a cooking apparatus including a main body including a cooking compartment configured to cook food using microwaves, and a door configured to open or close the cooking compartment, wherein the door includes a door frame in which an opening is formed so that the cooking compartment is visible therethrough, and a shielding plate including a substrate and a multi-shielding layer, with which the substrate is coated to prevent microwaves in the cooking compartment from leaking to an outside, and coupled at the opening. The door of the cooking apparatus allows an inside of the cooking compartment to be better seen from the outside.

Abstract: Disclosed herein is a refrigerator which allows a user to check the status of a storage chamber with a camera without opening a door. The refrigerator includes a body having a storage chamber, a door rotatably coupled to the body to open or close the storage chamber, a frame coupled to the door and including a housing in which a camera configured to photograph the inside of the storage chamber is installed, and a first door bin configured to receive an object to be cooled, detachably coupled to the frame, and located on an upper portion of the housing to be supported by the housing.

Abstract: A light emitting device including a light emitting element for emitting blue light; and a fluorescent film including a single crystal fluorescent material or a polycrystalline fluorescent material, wherein the fluorescent film absorbs the blue light and emits light having a wavelength different from that of the blue light, wherein the fluorescent film faces a surface of the light emitting element, and the fluorescent material included in the fluorescent film is represented by the following Formula (1): Y3-x-yLxMyAl5O12 wherein L is Gd or Lu, and M is Ce, Tb, Eu, Yb, Pr, Tm, or Sm, 0?x?2.999, and 0.001?y?0.1.

Abstract: The present invention relates to non-woven fabric with enhanced hardness and sound absorption, more specifically to non-woven fabric that includes two or more kinds of polyester-based materials and non-circular cross-section fiber, and thus has enhanced hardness and sound absorption as well as improved formability, and that can be applied for an automotive undercover.

Abstract: A refrigerator includes a main body, a storage chamber formed in the main body, a shelf support portion provided at a rear side of the storage chamber, a plurality of shelves coupled to the shelf support portion so that the shelves are arranged next to each other, and an adjustment member coupled to the shelves so as to remove a height difference between the plurality of shelves. Coupling grooves are respectively formed in the shelves. The adjustment member is inserted into the coupling holes of the shelves and then rotates by a predetermined angle such that the adjustment member is fixed to the shelves. The adjustment member maintains a constant interval between the shelves and prevents the shelves from moving relative to each other. The adjustment member is easily coupled to and separated from others.

Abstract: A cushioning packaging material for packaging one or more electronic products and the like is disclosed. The cushioning packaging material includes a cushioning portion provided with a plurality of air pockets, an air distribution portion provided with a distribution passage through which air is distributed into the plurality of air pockets, and an air inlet provided at one side of the air distribution portion. The air inlet is closed after completion of air injection. Thus, air leakage through the air inlet is prevented and cushioning force reduction caused by air leakage is also prevented.