Abstract: A fastening apparatus includes an inner casing including slots, an outer casing surrounding the inner casing, a shaft inserted into the inner casing, and fixed rolls between the outer casing and the shaft, wherein the fixed rolls are inserted into the slots, respectively, and a diameter of each of the fixed rolls is greater than a depth of each of the slots.

Abstract: A display device comprises a substrate including a display area and a pad area adjacent to the display area; at least one pad electrode disposed on the substrate in the pad area and connected to the display area; and at least one dummy electrode overlapping the at least one pad electrode and not connected to the display area.

Abstract: A display device includes conductive layers on a substrate, a via layer on the conductive layers, a first electrode and a second electrode extending in one direction on the via layer and spaced from each other, a first insulating layer on the first electrode and the second electrode, a plurality of light emitting elements on the first insulating layer, each of the light emitting elements having one end on the first electrode and an other end on the second electrode, and a first connection electrode and a second connection electrode on the first insulating layer, the first connection electrode overlapping the first electrode, and the second connection electrode overlapping the second electrode, wherein the first connection electrode and the second connection electrode are in contact with the conductive layers through contact portions.

Abstract: A blower unit for a vehicle and an air conditioning device including the same, the blower unit including: a scroll casing having an inlet port; a fan rotatably disposed in the scroll casing; a motor having a shaft coupled to the fan; and a bell mouth disposed in the inlet port, in which an inner end of the scroll casing, which defines the inlet port, is disposed to be spaced apart from the fan in a radial direction to define a separation space, and the bell mouth prevents air, which flows by a rotation of the fan, from flowing reversely through the separation space. The blower unit and the air conditioning device including the same prevent air from flowing reversely to the outside of the scroll casing by means of the arrangement of the bell mouth and the scroll casing and the structural shape of the bell mouth.

Abstract: A display device comprises a timing controller which provides data comprising a pre-emphasis value and an image data value, and a data driver which supplies to data lines a pre-emphasis voltage generated based on the pre-emphasis value during a first period of a horizontal period, and supplies to the data lines a data voltage generated based on the image data value during a second period of the horizontal period. The timing controller provides data based on which the pre-emphasis value is changed in correspondence with one screen mode selected from a plurality of screen modes having different target color coordinates.

Abstract: Provided is a cage to be inserted into vertebrae. The cage configured to reduce a risk of organs, muscles, and nerves being injured during an insertion surgery process and to allow the insertion surgery process to be easily performed. To this end, the present invention provides a cage including a leading insertion portion which is inserted from the front of vertebrae to be in position between the vertebrae and a following insertion portion which is coupled to one surface of the leading insertion portion to be in position between the vertebrae. According to the present invention, there are effects of reducing a risk of organs, muscles, and nerves being injured during a surgery process of inserting the cage, facilitating the surgery process of inserting the cage, reducing post-surgery side effects by stably fixing the cage, and reducing a surgery time to reduce a burden to a patient.

Abstract: Disclosed is a secondary battery including a positive electrode, a negative electrode and an electrolyte, wherein the secondary battery further includes a reaction-inducing substance located in any one of the positive electrode, the negative electrode and the electrolyte, wherein the reaction-inducing substance forms a reaction product when exposed to a predetermined temperature or higher in a use environment of the secondary battery, wherein the reaction product is a non-conductor.

Abstract: A gate test part includes a plurality of composite pads electrically connected to a plurality of gate lines. The gate lines extend in a first direction and are disposed along a second direction crossing the first direction. Each of the composite pads includes an antistatic pad, a first test pad spaced apart from the antistatic pad and providing a gate test signal to each of the gate lines, and a second test pad overlapping the antistatic pad and the first test pad. The second test pad electrically connects the antistatic pad and the first test pad.

Abstract: A display device includes: a display panel including signal lines in a display area and a peripheral area, the signal lines extending in a column direction and spaced apart; and test lines electrically connected to the signal lines in the peripheral area, extending in the column direction and arranged to be spaced apart. The peripheral area includes: a first peripheral area; and a second peripheral area located between the display area and the first peripheral area. The test lines include: a first test line including: a 1-1 testing portion disposed on the first peripheral area; and a 1-2 testing portion disposed on the second peripheral area; and a second test line including: a 2-1 testing portion disposed on the second peripheral area. A width of the 1-1 testing portion of the first test line is larger than a width of the 1-2 testing portion of the first test line.

Abstract: A display device including: a display panel including a plurality of pixels arranged therein; a plurality of gate lines disposed in the display panel to transfer gate signals to the pixels; and a gate driver disposed in the display panel to include a plurality of stages that generate gate signals and output them to the gate lines. A first one of the stages is connected with a first one and a second one of the gate lines through a gate pad, the gate pad includes a first gate pad, a second gate pad, and a third gate pad, and the first gate pad, the second gate pad, and the third gate pad are connected with each other through a gate pad connecting member.

Abstract: The present invention is to provide a magnesium alloy comprising 0.001 parts by weight to 1.0 parts by weight of scandium and the balance of magnesium and unavoidable impurities, based on 100 parts by weight of a magnesium alloy, wherein the magnesium alloy has increased Fe solubility and reduced corrosion while providing excellent mechanical properties and corrosion resistance, and a method for producing the same. The magnesium alloy of the present invention can improve the corrosion resistance of the magnesium alloy by using scandium which can simultaneously prevent from microgalvanic corrosion between a substrate and impurities without deteriorating mechanical properties and improve the passivation property of the coating formed on the surface.

Abstract: A display device includes: a display panel including signal lines in a display area and a peripheral area, the signal lines extending in a column direction and spaced apart; and test lines electrically connected to the signal lines in the peripheral area, extending in the column direction and arranged to be spaced apart. The peripheral area includes: a first peripheral area; and a second peripheral area located between the display area and the first peripheral area. The test lines include: a first test line including: a 1-1 testing portion disposed on the first peripheral area; and a 1-2 testing portion disposed on the second peripheral area; and a second test line including: a 2-1 testing portion disposed on the second peripheral area. A width of the 1-1 testing portion of the first test line is larger than a width of the 1-2 testing portion of the first test line.

Abstract: A display device including: a display panel including a plurality of pixels arranged therein; a plurality of gate lines disposed in the display panel to transfer gate signals to the pixels; and a gate driver disposed in the display panel to include a plurality of stages that generate gate signals and output them to the gate lines. A first one of the stages is connected with a first one and a second one of the gate lines through a gate pad, the gate pad includes a first gate pad, a second gate pad, and a third gate pad, and the first gate pad, the second gate pad, and the third gate pad are connected with each other through a gate pad connecting member.

Abstract: A grain refiner for a magnesium alloy according to the present invention contains aluminum (Al) and manganese (Mn), and contains a compound of aluminum (Al) and manganese (Mn) in the microstructure thereof, wherein the grain refiner is composed of a structure in which, in the compound of aluminum (Al) and manganese (Mn), the area of the compound having an Al/Mn compositional (atomic) ratio of 4-4.5 is larger than the area of the compound having an Al/Mn compositional (atomic) ratio of 5.5-6.5. When the grain refiner is added to molten magnesium, crystal grains can be refined to 50-100 ?m.

Abstract: The present invention is to provide a magnesium alloy comprising 0.001 parts by weight to 1.0 parts by weight of scandium and the balance of magnesium and unavoidable impurities, based on 100 parts by weight of a magnesium alloy, wherein the magnesium alloy has increased Fe solubility and reduced corrosion while providing excellent mechanical properties and corrosion resistance, and a method for producing the same. The magnesium alloy of the present invention can improve the corrosion resistance of the magnesium alloy by using scandium which can simultaneously prevent from microgalvanic corrosion between a substrate and impurities without deteriorating mechanical properties and improve the passivation property of the coating formed on the surface.

Abstract: A grain refiner for a magnesium alloy according to the present invention contains aluminum (Al) and manganese (Mn), and contains a compound of aluminum (Al) and manganese (Mn) in the microstructure thereof, wherein the grain refiner is composed of a structure in which, in the compound of aluminum (Al) and manganese (Mn), the area of the compound having an Al/Mn compositional (atomic) ratio of 4-4.5 is larger than the area of the compound having an Al/Mn compositional (atomic) ratio of 5.5-6.5. When the grain refiner is added to molten magnesium, crystal grains can be refined to 50-100 ?m.

Abstract: Provided are a method of preparing a magnesium alloy extrudate and a magnesium alloy extrudate prepared thereby. Specifically, the present invention is related to a method of preparing a magnesium alloy extrudate including melting a magnesium alloy raw material (step 1), casting the magnesium alloy raw material melted in step 1 to prepare a magnesium alloy billet (step 2), homogenizing the magnesium alloy billet prepared in step 2 (step 3), applying 3% to 20% of compressive deformation to the homogenized magnesium alloy billet of step 3 (step 4), and extruding the compressive deformed magnesium alloy billet of step 4 (step 5), and a magnesium alloy extrudate prepared thereby.

Abstract: A refrigerator that is capable of easily operating a storage chamber (30) where cooling is carried out independently from a cold chamber (10) is disclosed. The refrigerator includes a refrigerator body having a cold chamber (10) defined therein and a storage chamber (30) disposed in the cold chamber, a cool air generation chamber having a cooler and a fan (102) for supplying cool air mounted therein, a partition plate for partitioning the cold chamber (10) and the cool air generation chamber from each other, the partition plate having a main flow channel (103) for guiding the cool air supplied by the fan (102) to the cold chamber (10) and at least one cool air hole (201) located between the fan (102) and the main flow channel (103) for bypassing the cool air, and at least one bypass duct (200) for guiding the cool air bypassed through the at least one cool air hole (201) to the storage chamber (30).

Abstract: Disclosed herein are an insulating film for a printed circuit board, a resin coated copper (RCC), a flexible copper clad laminate (FCCL), and a printed circuit board manufactured by using the same. More specifically, the RCC, the FCCL, and the printed circuit board manufactured by using the insulating film for the printed circuit board according to the preferred embodiment of the present invention, the insulating film including an insulating layer, and a primer layer formed on one surface of the insulating layer and including a benzocyclobutene (BCB)-based resin, may have a low coefficient of thermal expansion and high peel strength.

Abstract: A refrigerator and a control method for the same are provided. A refrigerator includes a body having a cooling compartment and a storage compartment provided in the cooling compartment to form a predetermined cooling space, a cool air generation compartment having a cooler and a fan to supply cool air, and a partition plate that partitions a predetermined space into the cooling compartment and the cool air generation compartment. The partition plate includes a main path to guide the cool air into the cooling compartment and a bypass path to guide the cool air into the storage compartment. A cool air controller is provided at the bypass path to control the cool air supplied to the storage compartment via the bypass path.