Abstract: A display apparatus may include a first substrate having one or more unit pixel regions defined and including a driving thin film transistor, a second substrate disposed on the first substrate and facing the first substrate, and a color absorbing layer disposed on the first substrate.

Abstract: A display apparatus capable of implementing high luminance and high contrast ratio (C/R) may include a first substrate, a second substrate disposed on the first substrate so as to face the first substrate and having a plurality of pixel regions defined therein, and a plurality of color filters formed on the plurality of pixel regions of the second substrate, each color filter having one or more holes formed therein.

Abstract: An organic light emitting display device comprises a first substrate, an insulation layer having an inclined structure, a first electrode, a pixel defining layer defining a luminescent region and a non-luminescent region, an organic light emitting structure, a second electrode and a second substrate. Lateral portions of the first electrode, the second electrode and/or the pixel defining layer may have an inclination angle for preventing a total reflection of light generated from the organic light emitting structure, so that the organic light emitting display device may ensure a light efficiency substantially larger than that of the conventional organic light emitting display device by about at least 30 percent.

Abstract: An electrophoretic display device includes a first display substrate (including a base substrate, a first electrode, and a second electrode), a second display substrate (including a third electrode facing the first and second electrodes), and an electrophoretic layer between the first display substrate and the second display substrate, the electrophoretic layer including a first charged particle, a second charged particle and a colored solvent (the first and second charged particles having different polarities from each other and the colored solvent having a chromatic color).

Abstract: Disclosed are a method of folding multiple filaments and a bundle of filament produced by the same. More particularly, the method of folding multiple filaments includes release-winding the filaments under a uniform release-winding tension, folding the released filaments in non-twisted states and winding the folded filaments to produce a bundle of filament, so as to effectively prevent some of the filaments in the bundle of filament from hanging down or becoming loose due to different tensions when the bundle of filament is release-wound for post processing. The bundle of filaments includes a plurality of filaments combined together in a non-twisted manner and has highly uniform weight of the filaments per unit length of the bundle of filament, wherein the standard deviation of the weight of each filament ranges from 0.0001 to 0.01 from their average weight.

Abstract: Disclosed are a method of folding multiple filaments and a bundle of filament produced by the same. More particularly, the method of folding multiple filaments includes release-winding the filaments under a uniform release-winding tension, folding the released filaments in non-twisted states and winding the folded filaments to produce a bundle of filament, so as to effectively prevent some of the filaments in the bundle of filament from hanging down or becoming loose due to different tensions when the bundle of filament is release-wound for post processing. The bundle of filament includes a plurality of filaments folded together in non-twisted states and has a standard deviation in weight of the filaments per unit length of the bundle of filament ranging from 0.0001 to 0.01.

Abstract: The present invention relates to an impact strength modifier for thermoplastic polyester resin and a thermoplastic polyester resin composition containing the same, more precisely an impact strength modifier for thermoplastic polyester resin prepared by graft-polymerization of a) 20-80 weight % of multilayered rubber latex in which the ratio of particle diameter (Pb/Pa) of an inner layer (Pa) to outer layer is 1.05-1.5, and glass transition temperature of the inner layer or the outer layer is up to ?30° C.; and b) 20-80 weight % of vinyl monomer. According to the present invention, a thermoplastic polyester resin composition having excellent transparency and improved impact strength can be provided by containing an impact strength modifier for thermoplastic polyester resin having multilayered structure in which content of rubber latex, glass transition temperature, particle diameter and refraction index are regulated.

Abstract: A display device includes a display panel having a plurality of source and gate lines and a plurality of pixels at intersection points of the gate lines and source lines, a gate driver configured to output a plurality of gate driving signals for driving the gate lines, a source driver configured to output a plurality of source driving signals for driving the source lines, a gray voltage generator configured to supply a plurality of gray scale voltages to the source driver, and a common voltage generator configured to generate a plurality of common voltages having different levels and to alternately supply one of the generated common voltages in sequence to the pixels per frame, the source driver being configured to output a source driving signal in response to a data signal in accordance with a level of the common voltage supplied by the common voltage generator.

Abstract: An electrophoretic display apparatus and a method of driving the same. Gradation display using pulse amplitude modulation (PAM) may be achieved using a gate pulse having a pulse width and a voltage level that are set not to fully charge a parasitic capacitance component of a switching transistor included in each pixel.

Abstract: An electrophoretic display apparatus and a method of controlling the same. The electrophoretic display apparatus includes an electrophoretic cell including a lower electrode and in-plane electrodes, wherein the lower electrode and the in-plane electrodes are connected to same data line and receive data voltages in response to other gate signals. According to embodiments of the present invention, the number of channels in a data driving unit may be decreased by a few times.

Abstract: The present disclosure relates to a device and a method for reducing an electric current consumption in a dual SIM card terminal, which reduces the electric current consumed in an idle state of a dual SIM card terminal. The device includes: a first SIM card and a second SIM card; and a controller to make a control so that the first SIM card and the second SIM card perform a signaling through an identical channel for a network registration and maintain the identical channel when a power of the dual SIM card terminal is turned on.

Abstract: A method of driving a display device by using a pixel voltage corresponding to a difference between a common voltage and a data voltage comprises: operations of charging the pixel voltage by the common voltage and the data voltage having opposite polarities; and discharging the pixel voltage in a period where the polarity of the common voltage is reversed.

Abstract: Provided is an organic chlorohydrosilane, a useful starting material for preparing silicon polymers and a method for preparing the same. More particularly, the present invention enables the synthesis of various novel organic chlorohydrosilanes in high yield by an exchange reaction between an Si—H bond of a chlorosilane which can be obtained in an inexpensive and easy manner and an Si—Cl bond of an another organic chlorosilane using a quaternary organic phosphonium salt compound as a catalyst. Since the catalyst can be recovered after its use and reused, the present invention is very economical and thus effective for mass-producing silicon raw materials.

Abstract: An electrophoretic display device comprises: a first substrate including a first electrode; a first insulation layer provided on the first electrode; a fluid layer provided on the first insulation layer and having fluid and charged particles; a second substrate facing the first substrate with the fluid layer therebetween and including a second electrode facing the first electrode; and a second insulation layer provided between the second electrode and the fluid layer and facing the first insulation layer.

Abstract: A pixel structure of a liquid crystal cell that is implemented in a filed sequential liquid crystal display and a method of driving the same. The liquid crystal display includes: a liquid crystal display panel including a plurality of scan lines and data lines, and a plurality of pixels connected to the scan lines and the data lines and arranged in a matrix form; a control signal generating unit for providing a control signal and a reset signal to the pixels of the liquid crystal display panel respectively; a common voltage generating unit for providing a common voltage to the respective pixels; and a boosting voltage generating unit for providing a boosting voltage to the respective pixels.

Abstract: A liquid crystal display panel is capable of implementing high resolution without reducing an aperture ratio. A liquid crystal display panel includes: a substrate; a sustain electrode at a pixel region on the substrate; opaque wires positioned around the pixel region, having a lattice form extending in a first direction and a second direction crossing the first direction, and coupled with the sustain electrode; a gate wire and a data wire insulated from the gate wire with a second insulating layer interposed therebetween and extending in the second direction; a thin film transistor coupled with the gate wire and the data wire; and a pixel electrode coupled with the thin film transistor. The sustain electrode includes a transparent conductive material, and the opaque wires includes a conductive material having an electrical resistance lower than that of the transparent conductive material.

Abstract: A touch screen panel includes an upper substrate, first contact electrodes on the upper substrate, the first contact electrodes being connected to first detecting lines, a lower substrate, second contact electrodes on the lower substrate, the second contact electrodes being connected to second detecting lines, and a transparent piezoresistive layer between the first contact electrodes and the second contact electrodes, the transparent piezoresistive layer being configured to change resistance at a touch input position to detect touch pressure and touch coordinates.

Abstract: The present invention relates to novel 1,4-disilacyclohexane derivatives and a preparation method thereof. More particularly, the invention provides a method for preparing 1,4-disilacyclohexane derivatives with a hexagonal ring structure at high yield through double silylation of an organosilane compound and a vinyl silane compound having an unsaturated double bond using quaternary organophosphonium salts as a catalyst. According to the present invention, tris(silyl)ethanes having three silyl groups in one molecule can be prepared at the same time and the catalyst can be recovered after reaction. Thus, the method is economical and enables mass-production of 1,4-disilacyclohexane derivatives and tris(silyl)ethanes which are precursors of organic-inorganic hybrid materials.

Abstract: A secondary battery includes a can having an interior space, an electrode assembly provided in the interior space of the can, and a cap assembly seated on an opening formed in the can to seal the can and electrically connected to the electrode assembly. The cap assembly includes a cap plate connected to the opening to seal the can; a tab plate mounted to one side of the cap plate and connected to the electrode assembly; an insulating plate interposed between the cap plate and the tab plate; an electrode pin passing through the cap plate, the tab plate, and the insulating plate to interconnect these elements; and an insulating gasket interposed between the cap plate and the electrode pin. Also, the electrode pin includes a head portion mounted to one side of the cap plate and formed in multiple stages in an area contacting the insulating gasket; and a column extending from the head portion and passing through the insulating gasket, the cap plate, the insulating plate, and the cap plate.

Abstract: The present invention relates to a preparation method for a linear or cyclic trisilaalkane which is a substance useful in the preparation of polycarbosilane and silicon carbide precursors. Linear or cyclic trisilaalkane and organic trichlorosilane derivatives can be synthesized simultaneously and in high yield by reacting bis(chlorosily)methane having a Si—H bond, either alone or together with an organic chloride, using a quaternary organic phosphonium salt compound as a catalyst. Further, since the catalyst can be recovered after use, the present invention is very economical and is thus effective for mass-producing precursors for organic/inorganic hybrid substances.