Abstract: Provided is a secondary battery comprising a cathode active material having low-electrolyte wettability as a main ingredient, which is capable of improving high-rate discharge properties by an addition of a perfluorinated sulfonamide substituent-containing polymer (“additive”) to a cathode mix and/or an electrolyte.

Abstract: A successive approximation analog/digital converter includes a sample & hold part sampling and holding an intensity of an analog input signal using a single clock cycle of a clock signal; a first comparator comparing the intensity of the analog input signal with comparison voltages determined according to estimated digital values per clock cycle following an operating clock cycle of the sample & hold part; a second comparator comparing the intensity of the analog input signal with a value equal to ½ of a preset reference voltage in the latter half of the operating clock cycle of the sample & hold part; a successive approximation register determining a value of an MSB of a digital value to be converted according to the comparison result of the second comparator and values of bits successive to the MSB according to the comparison result of the first comparator, and generating the estimated digital values by applying estimated values to undetermined bits; and a digital/analog converter generating the

Abstract: There is provided a high-rate wireless receiving apparatus which can effectively receive a wireless signal even in a Non-Line of Sight state by using a millimeter-wave band (e.g., 60 GHz) or a THz frequency band (100 GHz or above). The high-rate wireless receiving apparatus includes an antenna receiving a high-rate wireless signal, a radio frequency processing unit processing the high-rate wireless signal received from the antenna to thereby generate a base-band signal, a base-band processing unit processing the base-band signal to thereby generate information data included in the high-rate wireless signal, and a reception information data storing unit storing the information data.

Abstract: A secondary battery includes an electrode assembly in which a cathode plate and an anode plate are arranged with a separator being interposed therebetween, a case in which the electrode assembly is received, a cap assembly capable of sealing an open end of the case, a gasket interposed between the case and the cap assembly, and a leakage prevention portion formed at one surface of the gasket and/or one surface of the cap assembly, which is oriented toward the electrode assembly and contacted with the gasket.

Abstract: A file system and a method for file storage and file search by the same are provided. All files have unique names in a block-based storage device, such as a hard disk, a flash memory, etc., so that each file is mapped and stored in a one-dimensional storage area. Each file name is matched with a memory block storing data of the corresponding file so that a memory block corresponding to a file name can be found when the file name is input. In addition, through information stored in the found memory block, the data corresponding to the file name can be read from the memory block storing the data or can be stored in a specific memory block.

Abstract: Disclosed are a wing device for a flight vehicle and a flight vehicle having the same, the wing device including a fixing shaft disposed in a lengthwise direction of a main body of the flight vehicle, a wing rotatably mounted to the fixing shaft so as to be deployed from a state of being laid on an outer circumferential surface of the main body to an erected state, and slidable along the fixing shaft, a fixing groove formed to face the wing in a sliding direction of the wing, and a spring unit configured to apply a first elastic force in an outer circumferential direction of the main body for deployment of the wing, and apply a second elastic force in a lengthwise direction of the main body for inserting the wing into the fixing groove, whereby the wing can be fixed after deployment so as to enhance stability of the flight vehicle.

Abstract: A storage file format for replaying an adaptively streamed multimedia stream, a client apparatus using the storage file format, and a method of storing a multimedia stream in the client apparatus are provided. According to the storage file format, meta-information for playing fragments and fragment access meta-information for replaying fragments are added to fragments.

Abstract: A light emitting device array includes a first supporting member, at least two bonding layers disposed on the first supporting member, a second supporting member disposed on each of the at lest two bonding layers, a light emitting structure disposed on the second supporting member, the light emitting structure comprising a first conductivity type semiconductor layer, a second conductivity type semiconductor layer and an active layer disposed between the first conductivity type semiconductor layer and the second conductivity type semiconductor layer, and a first electrode disposed on the light emitting structure.

Abstract: Disclosed is a disk type parking brake employing a ball-in-ramp type actuator. The parking brake improves a structure of a sealing member installed around a shaft between a caliper housing and a lever member to enhance the braking performance.

Abstract: A method of constructing a multimedia streaming file format, and a method and apparatus for servicing multimedia streaming using the multimedia streaming file format, the method of constructing the multimedia streaming file format including the operations of arranging a plurality of mdat boxes that store multimedia data, and a moof box that stores metadata related to the multimedia data stored in the plurality of mdat boxes; and generating a fragment using the plurality of mdat boxes that store the multimedia data, and using the moof box that stores the metadata related to the multimedia data stored in the plurality of mdat boxes, wherein the plurality of mdat boxes are positioned ahead of the moof box.

Abstract: A flash memory device including memory cells, each memory cell configured to store bits, a sensing circuit configured to sequentially sense, for each memory cell, sets of the bits of the memory cell, a data rearrangement unit configured to receive words of data and to rearrange bits of the words to be stored in the memory cells, and an output circuit configured to output a group of the words using the sets of bits from one sensing, at least as early as during a subsequent sensing of sets of bits.

Abstract: A memory and a method for managing data. The memory for compressing and managing data includes a memory unit, wherein the memory unit has a compressed page cache region which includes a plurality of compressed page caches for temporarily storing, compressing and decompressing data; and a compressed page block region which includes a plurality of compressed page blocks for storing compressed data generated through the compression. Since data is stored in the memory after being compressed, it is possible to store much more data. Furthermore, as a great amount of data can be stored at one time, it is possible to minimize a lowering of the data processing speed caused by movement of data between memories.

Abstract: Provided is a flat display device having a display region in which more than one thin film transistor and more than one pixel are included. The device includes a driving line that supplies driving power to the display region, and an auxiliary driving line, which is coupled with the driving line, is formed in a different layer from the driving line. The driving line may be an identical layer to the source/drain electrodes of the display region.

Abstract: The present invention relates to a piezoelectric linear motor that can make relatively low abrasion and accurate linear movement since stationary AC voltages are applied to two piezoelectric elements with a phase difference. The present invention provides a piezoelectric linear motor, comprising: a piezoelectric substrate having a first piezoelectric element and a second piezoelectric element, wherein AC voltages are applied to the first and second piezoelectric elements with a phase difference; a metallic elastic body having first and second elastic bodies coupled to the piezoelectric elements and a central protrusion protruded at the central portion connecting the first and second elastic bodies, wherein the central protrusion oscillates elliptically during an application of the voltage; and a mover brought into contact with the central protrusion of the metallic elastic body for a linear movement, and wherein the movement of the mover is orthogonal to the central protrusion.

Abstract: Disclosed are a light emitting device, a method of manufacturing the same, a light emitting device package, and a lighting system. The light emitting device includes a conductive support member, a light emitting structure layer including a first conductive semiconductor layer, an active layer, and a second conductive semiconductor layer on the conductive support member, and an electrode on the light emitting structure layer. The conductive support member has a curved lateral surface recessed inward.

Abstract: Disclosed is a light emitting device. The light emitting device includes a light emitting structure layer including a first semiconductor layer, an active layer, and a second semiconductor layer, an electrode electrically connected to the first semiconductor layer, an electrode layer under the light emitting structure layer, and a conductive support member under the electrode layer. The conductive support member includes a protrusion projecting from at least one edge.

Abstract: A semiconductor device and method of fabricating the same, which forms a contact hole, a via hole or a via contact hole with multiple profiles with various taper angles. The semiconductor device includes a substrate, a thin film transistor formed on the substrate and having a semiconductor layer, a gate insulating layer, a gate electrode, and an interlayer dielectric, and a contact hole penetrating the gate insulating layer and the interlayer dielectric and exposing a portion of the semiconductor layer. The contact hole has a multiple profile in which an upper portion of the contact hole has a wet etch profile and a lower portion of the contact hole has at least one of the wet etch profile and a dry etch profile.

Abstract: A method of erasing data in a flash memory device, including erasing data in at least one flash memory cell using a first erase voltage; detecting whether the at least one flash memory cell has a threshold voltage less than a first voltage; programming the at least one flash memory cell by varying the threshold voltage of the at least one flash memory cell using a second voltage that is greater than the first voltage if the detecting step detects the threshold voltage is less than the first voltage; maintaining the threshold voltage of the at least one flash memory cell if the detecting step detects the threshold voltage is greater than the first voltage; and verifying the at least one flash memory cell using a first verification voltage.

Abstract: A light guide panel includes a lateral side configured to transmit light to an interior of the light guide panel, a rear side configured to reflect light to the interior of the light guide panel, and a front side configured to emit light from the interior of the light guide panel, wherein the rear side includes a repeating pattern of regions, each region having a plurality of wedge-shaped rear prisms disposed therein, and the wedge-shaped rear prisms include at least one of a side having a predetermined radius of curvature and a side having a point of inflection.

Abstract: A method for computing maximum traffic capacitance of a base station using a virtual call in the digital mobile communication system in such a way that an operator at operating terminal for Base Station Manager (BSM) inputs call-set-request instructions using the virtual call to maintain and repair the digital mobile communication system so that traffic state is set between mobile stations in the service area of test base station and a vocoder of a Base Station Controller (BSC) to compute maximum traffic capacitance of the test base station. An operator at operation terminal inputs call set information by operator instruction as much as mobile station numbers to be tested to compute maximum traffic capacitance of the base station. The BSM inputs a virtual call-set-request-instruction by means of a virtual call-set-start-flag.