Abstract: Disclosed are a method and an apparatus for an instant messaging service to provide a schedule service. A schedule management server according to an example embodiment includes receiving a schedule creating request, selecting any one of a first type of calendar belonging to a chatroom in which the schedule creating request is created and a second type of calendar belonging to a user account which creates the schedule creating request, according to a schedule type included in the schedule creating request; and creating a schedule corresponding to the selected type of calendar.

Abstract: A gear train includes at least four gears sequentially engaged, multiple links configured to support the rotation shafts of the gears, and pins configured to fix the rotation shafts of the gears to the link, wherein the pins are installed such that, among the rotation shafts of the gears, two non-adjacent rotation shafts have both ends fixed to the link and one of adjacent rotation shafts has only one end fixed to the link.

Abstract: Provided is a conductive pattern having at least one unit conductive pattern forming one touch pixel according to an aspect of the present invention. The at least one unit conductive pattern includes a plurality of nanostructures each having opposite ends. A ratio of nanostructures, both opposite ends of which are in contact with edges of the at least one unit conductive pattern to all nanostructures included in the at least one unit conductive pattern is 70% or more.

Abstract: A conductive sheet according to an aspect of the present invention includes a first nanostructure and a second nanostructure disposed to intersect each other. A thickness of an intersect region of the first nanostructure and the second nanostructure is 0.6 to 0.9 times the sum of thicknesses of non-intersection regions of the first nanostructure and the second nanostructure.

Abstract: Provided is a conductive pattern having at least one unit conductive pattern forming one touch pixel according to an aspect of the present invention. The at least one unit conductive pattern includes a plurality of nanostructures each having opposite ends. A ratio of nanostructures, both opposite ends of which are in contact with edges of the at least one unit conductive pattern to all nanostructures included in the at least one unit conductive pattern is 70% or more.

Abstract: Provided is a conductive pattern having at least one unit conductive pattern forming one touch pixel according to an aspect of the present invention. The at least one unit conductive pattern includes a plurality of nanostructures each having opposite ends. A ratio of nanostructures, both opposite ends of which are in contact with edges of the at least one unit conductive pattern to all nanostructures included in the at least one unit conductive pattern is 70% or more.

Abstract: A conductive sheet according to an aspect of the present invention includes a first nanostructure and a second nanostructure disposed to intersect each other. A thickness of an intersect region of the first nanostructure and the second nanostructure is 0.6 to 0.9 times the sum of thicknesses of non-intersection regions of the first nanostructure and the second nanostructure.

Abstract: A conductive sheet according to an aspect of the present invention includes a first nanostructure and a second nanostructure disposed to intersect each other. A thickness of an intersect region of the first nanostructure and the second nanostructure is 0.6 to 0.9 times the sum of thicknesses of non-intersection regions of the first nanostructure and the second nanostructure.

Abstract: Provided is a conductive pattern having at least one unit conductive pattern forming one touch pixel according to an aspect of the present invention. The at least one unit conductive pattern includes a plurality of nanostructures each having opposite ends. A ratio of nanostructures, both opposite ends of which are in contact with edges of the at least one unit conductive pattern to all nanostructures included in the at least one unit conductive pattern is 70% or more.

Abstract: A conductive sheet according to an aspect of the present invention includes a first nanostructure and a second nanostructure disposed to intersect each other. A thickness of an intersect region of the first nanostructure and the second nanostructure is 0.6 to 0.9 times the sum of thicknesses of non-intersection regions of the first nanostructure and the second nanostructure.

Abstract: A touch screen panel is provided with electromagnetic wave shielding properties. The touch screen panel includes an electromagnetic wave shielding layer on a window substrate. The electromagnetic wave shielding layer may include at least one alloy selected from the group consisting of copper, iron, nickel, aluminum, tin, indium, zinc, gold and silver, and oxides thereof, as an electromagnetic wave shielding material. The electromagnetic wave shielding layer may include at least one electromagnetic wave shielding material selected from the group consisting of polypyrrole, polythiophene, and polyaniline. When the touch screen panel further includes an index matching layer, the electromagnetic wave shielding layer may be formed on at least one face of the index matching layer. When electromagnetic wave shielding material is included in the index matching layer, the index matching layer functions as the electromagnetic wave shielding layer.

Abstract: A signal processing device and an image processing device are provided. The signal processing device includes a matrix calculator for performing a matrix operation selected by a switch part among a DCT matrix operation, a Haar matrix operation, and a Slant matrix operation, with respect to an input signal. Thus, the signal processing device can be implemented in a hybrid architecture capable of selectively processing the DCT-II transform, the Haar transform, and the Slant transform with a single chip.

Abstract: An external light-shielding layer, a display filter including the external light-shielding layer and a display apparatus including the display filter to enhance brightness, a viewing angle, and a contrast ratio. The external light-shielding layer including: a base substrate including a transparent resin; and wedge-shaped light-shielding patterns spaced apart from each other in a surface of the base substrate at predetermined intervals, and made of a resin including a coloring agent having a concentration of about 0.5% to about 1.5% by weight.

Abstract: Disclosed are an external light shielding film with a substrate including a transparent resin, an external light shielding pattern formed on a surface of the substrate and having a plurality of external light shielding parts including a light absorbing material, a method of manufacturing the external light shielding film, and a filter for a display having the external light shielding film. The light absorbing material consists of a base resin and a light absorbing substance, and at least one of a concentration of the light absorbing substance and a refractive index of the base resin varies in a stepwise manner.

Abstract: A filter for a display device is provided which includes a base substrate, an electromagnetic shielding layer formed on one surface of the base substrate to block electromagnetic waves, and an electrode formed along at least two sides among four sides of the base substrate to earth the electromagnetic shielding layer, thereby reducing the manufacturing costs while maintaining the capability of blocking electromagnetic waves.

Abstract: A signal processing device and an image processing device are provided. The signal processing device includes a matrix calculator for performing a matrix operation selected by a switch part among a DCT matrix operation, a Haar matrix operation, and a Slant matrix operation, with respect to an input signal. Thus, the signal processing device can be implemented in a hybrid architecture capable of selectively processing the DCT-II transform, the Haar transform, and the Slant transform with a single chip.

Abstract: A filter for a display device includes a base substrate, a shielding film formed based on a single transparent base layer, and an adhesive layer adhering the shielding film onto the base substrate. The shielding film which realizes diverse shielding functions in a single sheet is adhered onto the base substrate through a single process, which serves to improve productivity, reduce manufacturing cost, restrain the occurrence of Haze and improve visibility.

Abstract: Disclosed is a display apparatus comprising a panel assembly including a plurality of light-emitting cells divided into a light-emitting region and a non light-emitting region surrounding the light-emitting region, as viewed from a viewer, and a display filter disposed on the panel assembly and including an external light-shielding layer, the external light-shielding layer having light-shielding patterns formed on a side of the external light-shielding layer, wherein an area of the light-emitting region occupies about 60% or more of a total area of the plurality of light-emitting cells, and wherein a bias angle formed by an advancing direction of the light-shielding pattern and a longitudinal side of the panel assembly is about 5 degrees or less. The external light-shielding layer is applied to the display apparatus, thereby effectively preventing the moiré phenomenon from being occurred.

Abstract: An integrated light guide plate and a backlight unit including the same. The integrated light guide plate includes a light guide plate, which forms planar light by guiding light, and a reflecting mirror, which is integrally formed on an underside of the light guide plate. The reflecting mirror reflects light that has downwardly passed through the light guide plate so that the light is introduced again into the light guide plate. The reflecting mirror includes a buffer layer, which is formed on the underside of the light guide plate, and a reflecting layer, which is formed on an underside of the buffer layer. The reflecting layer reflects light that has downwardly passed through the light guide plate so that the light is introduced again into the light guide plate. A protective layer is formed on an underside of the reflecting layer, and protects the reflecting layer.

Abstract: A display filter includes a transparent substrate and a first polarizer film. The first polarizer film allows only a component of ambient light that has passed through the transparent substrate to pass through, the component being parallel to a first polarizer axis.