Abstract: A clock transmission circuit includes a clock driver circuit suitable for transmitting a clock and adjusting a driving force thereof in response to a boosting signal; a low-pass filter circuit suitable for receiving the clock and outputting an initialization signal; and a boosting signal generating circuit suitable for generating the boosting signal that is activated in response to the initialization signal and deactivated in response to the clock.

Abstract: A method of preparing a superabsorbent polymer having a rapid absorption rate and an improved water retention capacity by additional heat treatment while using a thermally degradable internal crosslinking agent and an encapsulated foaming agent at the same time during polymerization. A superabsorbent polymer prepared by this method is also provided, the superabsorbent polymer having a centrifuge retention capacity (CRC) of 40 g/g to 55 g/g, as measured according to EDANA method WSP 241.3, and an absorption rate of 48 sec or less, as measured by a vortex method.

Abstract: The present invention relates to a novel polycyclic compound employed in an organic layer of an organoelectro luminescent device, wherein the organoelectro luminescent device employing the compound according to the present invention has remarkably improved luminous efficiency and a long lifespan. According to the present invention, it is possible to implement a highly efficient and long-life organoelectro luminescent device that can be effectively applied to various display devices.

Abstract: A storage device includes a memory device, and a memory controller configured to receive data and a log related to a property of the data from an external host, allocate a super block in which the data in the memory device is to be stored and a physical zone in the super block based on the log of the data, and store information for the log of the data stored for each physical zone and a time point at which a physical zone of a full state in which an empty area does not exist is switched to the full state. The memory controller controls the memory device to perform garbage collection according to the number of physical zones of an empty state, and selects a victim physical zone based on the information for the log of the data and a full state switch time point.

Abstract: A wafer manufacturing method, an epitaxial wafer manufacturing method, and a wafer and epitaxial wafer manufactured thereby, are provided. The wafer manufacturing method enables the manufacture of a wafer with a low density of micropipe defects and minimum numbers of particles and scratches. The epitaxial wafer manufacturing method enables the manufacture of an epitaxial wafer that has low densities of defects such as downfall, triangular, and carrot defects, exhibits excellent device characteristics, and improves the yield of devices.

Abstract: A display device includes a first display substrate including a light emitting element which emits light of a first color or light of a second color different from the first color, a second display substrate including in order toward the first display substrate, a layer including both a bank layer defining an opening and a wavelength control pattern in the opening, a capping layer covering the wavelength control pattern and the bank layer, and a color absorbing layer which corresponds to the bank layer and blocks the light of the first color and the light of the second color. The capping layer includes a first area corresponding to the color absorbing layer, the bank layer includes a second area corresponding to the color absorbing layer, and the first area of the capping layer is between the color absorbing layer and the second area of the bank layer.

Abstract: It is introduced that a device of manufacturing lithium sulfate comprising: a reaction body in which a reaction of lithium phosphate and sulfuric acid is performed, the reaction body being divided into an upper space and a lower space; a pressurizer for applying pressure to the inside of the reaction body; a stirrer disposed in the upper space for stirring the lithium phosphate and sulfuric acid to produce a mixture containing lithium sulfate and phosphoric acid; and a filter disposed inside the reaction body and separating the filtrate containing the phosphoric acid into the lower space by filtering the mixture.

Abstract: A vehicle seat reinforcement device includes a leg portion mounted on a floor panel, a seat cushion frame slidably mounted on the leg portion, and a load reinforcing structure connected between the leg portion and the seat cushion frame, wherein when a seat belt anchorage load is transferred to the seat cushion frame, the seat cushion frame is locked to the leg portion by the load reinforcing structure.

Abstract: A wafer manufacturing method, an epitaxial wafer manufacturing method, and a wafer and epitaxial wafer manufactured thereby, are provided. The wafer manufacturing method enables the manufacture of a wafer with a low density of micropipe defects and minimum numbers of particles and scratches. The epitaxial wafer manufacturing method enables the manufacture of an epitaxial wafer that has low densities of defects such as downfall, triangular, and carrot defects, exhibits excellent device characteristics, and improves the yield of devices.

Abstract: A toy firearm includes: a hollow firearm body; a cartridge module separably coupled in front of the firearm body to store a plurality of BB bullets to be fired; a gas discharge module to supply introduced gas to the BB bullets stored in the cartridge module by sequential control using a solenoid valve; an electrical sound module electrically connected to the gas discharge module to generate an electrical high voltage sound for a predetermined time with respect to a point in time of firing the BB bullets stored in the cartridge module; and a gas tank disposed in a grip of the firearm body to temporarily store the gas and supply the stored gas to the gas discharge module, wherein the cartridge module includes a pair of barrels arranged side by side at a predetermined angle along front and rear sides.

Abstract: A method of supporting divided screen areas and a mobile terminal employing the same are disclosed. The method includes: generating input signals for one of sequentially and simultaneously activating a plurality of user functions; activating the user functions according to generated input signals; dividing a screen into divided screen areas that correspond to activated user functions; and outputting functional view areas associated with the activated user functions to the corresponding divided screen areas.

Abstract: A toy firearm includes: a hollow firearm body; a cartridge module separably coupled in front of the firearm body to store a plurality of BB bullets to be fired; a gas discharge module to supply introduced gas to the BB bullets stored in the cartridge module by sequential control using a solenoid valve; an electrical sound module electrically connected to the gas discharge module to generate an electrical high voltage sound for a predetermined time with respect to a point in time of firing the BB bullets stored in the cartridge module; and a gas tank disposed in a grip of the firearm body to temporarily store the gas and supply the stored gas to the gas discharge module, wherein the cartridge module includes a pair of barrels arranged side by side at a predetermined angle along front and rear sides.

Abstract: The present disclosure relates to a system for supplying hydrogen and a method for controlling the same. The system includes a hydrogen compressor for electrochemically compressing the hydrogen, and a controller that preliminarily drives the hydrogen compressor, estimates an amount of hydrogen transferred via a membrane electrode assembly interposed between an anode separator and a cathode separator in a cell of the hydrogen compressor in a period of the preliminary driving, and performs initialization driving to reduce moisture on a side of the anode separator of the cell based on the transferred amount of hydrogen being smaller than a threshold value.

Abstract: An electrochemical system includes: a gas-liquid separator configured to separate a reaction fluid into a gaseous reaction fluid and a liquid reaction fluid; a first circulation line connected to the gas-liquid separator and configured to circulate the liquid reaction fluid; a water electrolysis stack provided in the first circulation line; a first pump provided in the first circulation line; a second circulation line connected to the gas-liquid separator in parallel with the first circulation line and configured to circulate the liquid reaction fluid; a property processing unit provided in the second circulation line and configured to process properties of the liquid reaction fluid; and a second pump provided in the second circulation line, thereby reducing a load of the pump and improving efficiency of the system.

Abstract: A chemical mechanical polishing (CMP) method includes preparing a polishing pad, determining a first load to be applied to a conditioning disk during conditioning of the polishing pad and a first indentation depth at which tips of the conditioning disk are inserted into the polishing pad when the first load is applied to the conditioning disk, preparing a conditioning disk, and positioning the conditioning disk on the polishing pad and conditioning a surface of the polishing pad by using the conditioning disk while applying the first load to the conditioning disk.

Abstract: The present disclosure provides a lamp for a vehicle and a method of controlling the same. The vehicle lamp intuitively informs a traveling direction of the vehicle and minimizes deterioration of visibility when a failure occurs and a method of controlling the same. A lamp for a vehicle includes a light source unit having a plurality of light source groups and an operation state detection unit configured to detect an operation state of at least one light source included in each of the plurality of light source groups. A lighting mode determination unit is configured to determine a lighting mode of the light source unit based on the detected operation state. A control unit is configured to operate the light source unit in any one of a first lighting mode and a second lighting mode based on the determined lighting mode.

Abstract: Disclosed herein is a step motor. The step motor includes a casing, a stator disposed in the casing, with a coil being wound around the stator, a rotor disposed in the stator, having a rotor shaft that is rotatably supported at both ends of the casing, and rotated by interaction with the stator, a rotary sensing unit provided in the casing to detect a rotation of the rotor, and a coil connector formed on an outer surface of the stator, with an end of the coil being connected to the coil connector.

Abstract: A chemical mechanical polishing (CMP) method includes preparing a polishing pad, determining a first load to be applied to a conditioning disk during conditioning of the polishing pad and a first indentation depth at which tips of the conditioning disk are inserted into the polishing pad when the first load is applied to the conditioning disk, preparing a conditioning disk, and positioning the conditioning disk on the polishing pad and conditioning a surface of the polishing pad by using the conditioning disk while applying the first load to the conditioning disk.

Abstract: A fuel cell system and a fuel cell system operation method using two or more power supplies are provided. A main stack is operated to output constant voltage by receiving air and hydrogen of an air supply device and a fuel supply device. An initial average cell voltage of the main stack and an average cell voltage of the main stack are measured after 10 hours. The initial average cell voltage value and the measured average cell voltage value are compared to calculate a voltage reduction rate. The main stack up is operated when the voltage reduction rate is greater than the reference value and a sub power supply is operated until EOL is reached when the voltage reduction rate is greater than the reference value to increase operation efficiency.

Abstract: Disclosed herein is a step motor. The step motor includes a casing, a stator disposed in the casing, with a coil being wound around the stator, a rotor disposed in the stator, having a rotor shaft that is rotatably supported at both ends of the casing, and rotated by interaction with the stator, a rotary sensing unit provided in the casing to detect a rotation of the rotor, and a coil connector formed on an outer surface of the stator, with an end of the coil being connected to the coil connector.