Abstract: Provided are a microspeaker and a method of designing the same.

Abstract: The present invention is relates to lyocell filament fibers having fatigue resistance and durability, of which the dimensional stability at high temperature and the high speed driving performance are good, and a tire cord prepared therefrom.

Abstract: A liquid crystal display includes a display unit displaying an image in response to a driving signal, a driving unit outputting the driving signal to the display unit in response to a plurality of control signal, and a controller outputting the plurality of control signals and image data. The controller includes a plurality of timing controllers providing the image data and the plurality of control signals and a storage device. The plurality of timing controllers share the storage device and may be either connected in series or parallel.

Abstract: A display apparatus includes a display panel, a gate driver, a gray scale compensator, and a date driver. The gate driver sequentially applies gate data to the gate lines. The gray scale compensator compares the primitive gray scale data of the n-th frame with the primitive gray scale data of the (n?1)-th frame to output a compensated gray scale data of a n-th frame, when a primitive gray scale data of a (n?1)-th frame is lower than a gray scale data of a first gray scale and a primitive gray scale data of the n-th frame is higher than a gray scale data of a second gray scale. The date driver converts the compensated gray scale data into a date voltage corresponding to the compensated gray scale data and applies the data voltage to the date line. Therefore, response time of the liquid crystal molecules may be reduced.

Abstract: Disclosed are a lyocell filament fiber and a cellulose-based tire cord. The lyocell filament fibers and the cellulose based tire cord have good dimensional stability in a highly humid state and thus the tenacity, the elongation, and the modulus are superior to common cellulose based fibers, such as rayon and so on. Their property maintaining rate at the post manufacturing process is high and the processibility is good.

Abstract: In a control board and a display apparatus, the control board includes a timing controller, and first and second connectors. The timing controller receives a first external image control signal having one of a first and a second frequency, and selectively receives a second external image control signal having the first frequency when the first external image control signal has the first frequency. The timing controller selects one of the first and second frequencies based on the first and second external image control signals to output an image driving signal. The first connector connects the timing controller to an external video system to transfer the first external image control signal to the timing controller. The second connector connects the timing controller to the external video system to transfer the second external image control signal to the timing controller. Thus, the control board is commonly used in the first and second frequencies.

Abstract: The present invention provides cellulose-based fibers including cellulose and at least one polymer selected from the group consisting of a polysiloxane, a polyacrylic acid, a polyacrylamide, an m-aramid, and a poly vinylalcohol/polystyrene copolymer, and a tire cord including the same. Furthermore, the cellulose-based fibers of the present invention have an advantage in superior elongation and tenacity of the prior cellulose fibers by blending at least one polymer having a functional group that is capable of a hydrogen bond with a hydroxyl group of a cellulose molecule.

Abstract: In a driving device for an LCD that enables accurate compensation of sub image data, a memory sequentially stores an image data in a frame unit. A memory controller reads out a previous image data corresponding to a previous frame from the memory, stores a present image data corresponding to a present frame in the memory and outputs the previous image data and the present image data. A first converter converts the present image data into a first sub image data and a second sub image data, and a second converter converts the previous image data output into a third sub image data and a fourth sub image data. A first compensator compensates the first sub image data using the third sub image data, and a second compensator compensates the second sub image data using the fourth sub image data.

Abstract: A hard disk drive includes an actuator arm pivoting over a disk around a pivot shaft as a center of rotation to allow a read/write head to access data on the disk, a bobbin provided at the opposite side to the read/write head with respect to a pivot shaft holder that rotatably supports the pivot shaft, and a voice coil coupled to the bobbin. The bobbin includes a bobbin body coupled an end portion of the voice coil adjacent to the pivot shaft holder, and a plurality of bobbin legs extending from an end portion of the bobbin body toward areas of the other end portion of the voice coil that are separated from each other, and coupled to the areas of the other end portion of the voice coil that are separated from each other.

Abstract: A structural composite hybrid beam having an attached fire-resistant coating material, the structural composite hybrid beam including: a cold-formed steel plate beam, which is formed into a form shape having a space where concrete is placed; a concrete slab installed on the cold-formed steel plate beam and that is integrally connected to the concrete; and a flow preventing member protruding from a pair of side plates of the cold-formed steel plate beam, and preventing the fire-resistant coating material sprayed on each of the pair of side plates from flowing down so that the fire-resistant coating material is firmly attached to the each of the pair of side plates. A thickness of the fire-resistant coating material is reduced as the concrete inside the structural composite hybrid beam absorbs heat, and thus construction expenses are reduced. Accordingly, the structural composite hybrid beam has excellent fire-resistant performance unlike a general steel-frame beam.

Abstract: A hard disk drive includes a head stack assembly including an actuator arm, a voice coil coupled to a bobbin, and a pivot shaft holder, rotatably coupled to a pivot shaft, disposed between the actuator arm and the voice coil. The hard disk drive also includes at least one magnet, disposed adjacent to the voice coil, which interacts and with the voice coil when current flows in the voice coil, thus generating an electromagnetic force to pivot the actuator arm around the pivot shaft, and a flux fringe prevention layer comprising a magnetic material and coupled to the voice coil, to prevent magnetic flux generated in the magnet being bent in the voice coil.

Abstract: A thermoelectric nanowire and a method of manufacturing the same, in which an oxide layer and a thermoelectric material layer, both of which have different thermal expansion coefficients, are stacked on a substrate, and a single crystal thermoelectric nanowire is grown from a thermoelectric material using the compressive stress caused by the difference between the thermal expansion coefficients. The method includes preparing a substrate on which an oxide layer is formed, forming a plurality of nanoparticles, each of which includes aluminum (Al), silver (Ag), iron (Fe) or oxides thereof, on the oxide layer, forming a thermoelectric material thin film, which has thermoelectric properties, above the oxide layer so as to include the nanoparticles formed on the oxide layer, heat-treating the substrate having the thermoelectric material thin film to grow the thermoelectric nanowire containing the nanoparticles, and cooling the substrate at room temperature after the heat-treatment.

Abstract: Disclosed are a cellulose-based filament for a tire cord, a bundle including the same, a twisted yarn including the same, and a tire cord including the same. The cellulose-based filament is suitable for use in a tire cord has advantages in that strength deterioration due to twisting is remarkably low and elongation is improved, and thus the fatigue resistance is good.

Abstract: A liquid crystal display includes a timing controller and a liquid crystal panel. The timing controller sequentially receives first through third primitive image signals and sequentially outputs first through third corrected image signals. The liquid crystal panel displays an image based on the first through third corrected image signals. The timing controller generates a first converted image signal having a first gray level based on the first primitive image signal and stores the first converted image signal. The second primitive image signal has a second gray level and the timing controller generates a second converted image signal having a third gray level higher than the second gray level when the second gray level is lower than the first gray level. The timing controller generates the third corrected image signal using the second converted image signal and the third primitive image signal.

Abstract: In an interpolation device that is used for driving a liquid crystal display (LCD), a memory stores an image signal representing a previously displayed image frame. A look-up table (LUT) stores plural reference data corresponding to differences between values of high order bits of a present image signal and a previous image signal. An arithmetic unit receives low order bits of the present image signal, low order bits of the previous image signal, and the reference data from the LUT to output a corrected image signal. The arithmetic unit applies a first second-order interpolation equation when the high order bits of the present image signal are identical to the high order bits of the previous image signal and applies a second second-order interpolation equation, which is different from the first second-order interpolation equation, when the high order bits of the present image signal are different from the high order bits of the previous image signal.

Abstract: A gate drive portion for a display device including multiple pixels having first and second sub-pixels includes a first shift register generating a first output signal in response to a first gate clock signal, a second shift register generating a second output signal in response to a second gate clock signal, a level shifter coupled to the first and second shift registers and amplifying the first and second output signals, and an output buffer coupled to the level shifter and generating first and second gate signals. The first gate signal is generated in synchronization with the first gate clock signal and the second gate signal is generated in synchronization with the second gate clock signal. Accordingly, the charging time of the first and second sub-pixels may be improved by separately driving the odd-numbered and even-numbered sub-pixels and the visibility of the LCD device may also be improved.

Abstract: In a method of compensating image data, a lookup table (LUT) memory storing compensating data that corresponds to received image data is disabled when the received image data is substantially the same as previous image data that is stored in a cache memory. Compensating data that corresponds to the previous image data stored in the cache memory is outputted as compensating data that corresponds to the received image data. The previous image data stored in the cache memory and the compensating data are maintained.

Abstract: A liquid crystal display, a method for determining a dynamic capacitance compensation (DCC) gray level, and a method for correcting a gamma value of the liquid crystal display are provided. The liquid crystal display includes a liquid crystal panel, a gate driver, a data driver, a gray scale voltage provider, and a DCC gray level provider consisting of a DCC gray scale voltage generator and a DCC processor.

Abstract: A display device including a signal processing module which can contribute to the reduction of power consumption and a calorific value is provided. The display device includes a signal processing module and a display panel. The signal processing module includes a memory that is divided into two or more sub-memories that can be powered on separately, and an image signal processor to generate a second image signal from a first image signal using the memory. The display panel displays an image corresponding to the second image signal, and the first image signal has a first bit size or a second bit size less than the first bit size. Power is selectively supplied to the sub-memories according to the bit size of the first image signal.

Abstract: A liquid crystal display system including a signal processing device uses interpolation to generate an intermediate image frame using previous image frame data and present image frame data. The system converts data of the intermediate image frame into transposed image data that is to be used to drive a liquid crystal display panel and display a corresponding image. The transposed image data and the present image data are subjected to a prespecified DCC process (dynamic capacitance compensation process) to thereby generate respective first and second compensation image data. Since the first compensation image data is generated based on the transposed image data and the transposition is configured to prevent over-compensation by the DCC process, over-compensation by the dynamic capacitance compensation process can be reduced or prevented.