Abstract: An apparatus for controlling tip clearance between a turbine casing and a turbine blade is provided. The apparatus for controlling tip clearance includes a casing surrounding the turbine blade, a cooling plate installed in a groove, formed in a circumferential direction in the casing, and contracted by cold air supplied thereto, the cooling plate having at least one fin formed on an outer peripheral surface thereof, and a ring segment mounted radially inside the cooling plate.

Abstract: An apparatus for controlling tip clearance between a turbine casing and a turbine blade is provided. The apparatus for controlling tip clearance includes a casing surrounding the turbine blade, a cooling plate installed in a groove, formed in a circumferential direction in the casing, and contracted by cold air supplied thereto, the cooling plate having at least one fin formed on an outer peripheral surface thereof, and a ring segment mounted radially inside the cooling plate.

Abstract: An apparatus for controlling tip clearance between a turbine casing and a turbine blade is provided. The apparatus for controlling tip clearance includes a casing surrounding the turbine blade, a cooling plate installed in a groove and formed in a circumferential direction in the casing, the cooling plate being contracted by cold air supplied thereto, an upper plate mounted radially outside the cooling plate in the groove and having a plurality of cold air holes formed therein, a cylinder extending radially from an inner peripheral surface of the upper plate and having a plurality of cooling holes formed on a side thereof, and a ring segment mounted radially inside the cooling plate.

Abstract: A battery management system (BMS) may include a battery, a relay configured to electrically connect and disconnect the battery for supplying a voltage (an electric power) to an electric load to and from the electric load, the electric load configured to receive the voltage (the electric power) from the battery, to compare the received voltage (the electric power) with a reference value and to output a wakeup signal according to the compared result, when the relay is electrically connected, and a controller configured to wake up by the wakeup signal, to monitor a state of the battery and to control a state of the relay. It is possible to prevent overdischarge and overcharge of the battery by monitoring the battery through the electric load in a state in which a vehicle is turned off and switching the BSM to a wakeup state only if necessary.

Abstract: A system for managing the temperature of a battery, may include a battery configured to store electrical energy; a temperature-increase heater configured to convert the electrical energy stored in the battery into thermal energy to increase the temperature of the battery; a temperature-increase heater relay configured to connect or disconnect an electrical energy path provided from the battery to the temperature-increase heater; a thermal fuse configured to disconnect the electrical energy path when the temperature of the battery is equal to or higher than a predetermined reference temperature; and a controller configured to induce disconnection of the thermal fuse by increasing the temperature of the battery to the reference temperature or higher using the thermal energy converted by the temperature-increase heater, when the temperature-increase heater relay is fused.

Abstract: A battery management system (BMS) may include a battery, a relay configured to electrically connect and disconnect the battery for supplying a voltage (an electric power) to an electric load to and from the electric load, the electric load configured to receive the voltage (the electric power) from the battery, to compare the received voltage (the electric power) with a reference value and to output a wakeup signal according to the compared result, when the relay is electrically connected, and a controller configured to wake up by the wakeup signal, to monitor a state of the battery and to control a state of the relay. It is possible to prevent overdischarge and overcharge of the battery by monitoring the battery through the electric load in a state in which a vehicle is turned off and switching the BSM to a wakeup state only if necessary.

Abstract: A method of fabricating a display device includes forming a thin-film transistor including a gate electrode, a source electrode and a drain electrode on a substrate, forming a first insulating layer and a second insulating layer on the thin-film transistor, forming a common electrode on the second insulating layer by depositing a common electrode material on the second insulating layer, plasma-treating a photoresist pattern on the common electrode material, and etching the common electrode material using the plasma-treated photoresist pattern as a mask, defining a contact hole in the second insulating layer which corresponds to the drain electrode using the plasma-treated photoresist pattern and the common electrode as a mask, forming a third insulating layer on the second insulating layer and the common electrode to expose the contact hole and the drain electrode and forming a pixel electrode connected to the drain electrode on the third insulating layer.

Abstract: Polysulfone based polymer comprising a repeat unit represented by the following Chemical Formula 1 is provided: wherein, X, M1, M2, a, b, c, d, e, f, R1, R2, R3, R4 and n are as defined in the detailed description.

Abstract: The present invention relates to a sulfonated poly(arylene ether) copolymer, a manufacturing method thereof and a polymer electrolyte membrane for fuel cell using the same.

Abstract: Provided are a supported catalyst for a fuel cell, a method of preparing the same, an electrode for a fuel cell including the supported catalyst, a membrane electrode assembly including the electrode, and a fuel cell including the membrane electrode assembly. Specifically, the supported catalyst for a fuel cell has a layered structure obtained by sequentially depositing a carbonaceous support, metal oxide particles, and catalyst metal. The supported catalyst has excellent electrical activity, excellent durability, and can be easily mass-produced at low cost. The membrane electrode assembly including the supported catalyst and a fuel cell including the membrane electrode assembly each show excellent output density and high performance.

Abstract: A liquid crystal display device includes a liquid crystal display panel including a plurality of data lines to which a data voltage is supplied, a plurality of gate lines to which a gate pulse is supplied, and a plurality of liquid crystal cells, a data drive circuit to invert a polarity of the data voltage in response to a polarity control signal and to output the data voltage to the data lines in response to a source output enable signal, a gate drive circuit to supply the gate pulse to the gate lines, and a POL/SOE logic circuit to invert the polarity control signal for every frame period except at Nth-multiple frame period (where N is a positive integer), wherein the POL/SOE logic circuit controls the polarity control signal at every Nth-multiple frame period such that the polarity of the data voltage is the same as the previous frame period and controls a pulse width of the source output enable signal at every Nth-multiple frame period to be longer than for the other frame periods.

Abstract: Provided is a field emission lamp (FEL), which includes a plurality of cathode electrodes formed above a first substrate, an anode electrode formed under a second substrate to face the cathode electrode, a fluorescent layer composed of red, green and blue (RGB) patterns formed alternately on the anode electrode in an oblique direction, and a plurality of emitters formed on the cathode electrodes to correspond to the RGB patterns. According to the present invention, as an FEL having a fast response time is used as a backlight unit, a color breaking phenomenon can be prevented in a color sequential driving method.

Abstract: Polysulfone based polymer comprising a repeat unit represented by the following Chemical Formula 1 is provided: wherein, X, M1, M2, a, b, c, d, e, f, R1, R2, R3, R4 and n are as defined in the detailed description.

Abstract: A field emission device having a simple structure and capable of readily changing emission colors of light by adjusting emission intensity of red, green and blue light is provided. In the field emission device, current that flows into each cathode electrode block is adjusted according to a very low control pulse signal of 0 to 5 V with a predetermined voltage applied to an anode electrode and a gate electrode over time, so that emission intensities of red, green and blue are individually adjusted. Therefore, the current that flows into each cathode electrode block is adjusted in a simple manner using a control pulse signal of a low level without a separate pulse driving high-voltage power supply, so that emission intensities of red, green and blue can be arbitrarily adjusted and emission colors of the field emission device can be readily changed.

Abstract: The present invention is to provide a micro cantilever-type probe disposed on a probe card, having such appropriate elasticity and mechanical strength that the probe would recover its unforced shape after deformation during an inspection and maintain its original shape even after three hundred thousand uses. The present invention provides a probe card comprising an electrically insulated substrate fixed on a circuit board; a plurality of elastic probes with a sharpened end fixed on the insulated substrate; and wiring formed on the probe, the insulated substrate and the circuit board. The inventive probe is manufactured by patterning a substrate using photolithography and etching a portion except a pattern-defined portion. The probe is coated by metal layer(s).