Abstract: Provided are a method of manufacturing a nano gap sensor and a nano gap sensor manufactured by the method. According to the method of manufacturing the nano gap sensor, fine cracks are formed in a substrate including a silicon wafer, etc. in order to form the nano gap with simplified processes and low manufacturing costs, and after that, a metal catalyst layer is stacked on the nano gap to manufacture a sensor capable of selectively detecting a certain material or a gas such as hydrogen. In particular, when palladium or a palladium alloy is used as the metal catalyst layer, highly sensitive hydrogen sensors capable of responding various concentrations of hydrogen may be produced in large quantities.

Abstract: Disclosed herein is a method for preparing ultrathin silver nanowires. It may comprise (a) dissolving a silver salt (Ag salt) and a capping agent in a reducing solvent to give a mixture solution; (b) adding a halide compound to the mixture solution to yield a silver seed; (c) heating the mixture solution and then allowing the heated mixture solution to grow ultrathin silver nanowires from the silver seed under a pressure in an inert gas atmosphere; and (d) cooling the mixture solution in which the ultrathin silver nanowires have grown, followed by purification and separation to obtain the ultrathin silver nanowires. The silver nanowires are restrained from growing in thickness under a certain pressure, so that they are 30 nm or less in thickness and have a narrow diameter distribution, which leads to an improvement in aspect ratio.

Abstract: A method and apparatus for determining an image compression format of a 3-dimensional television (3DTV). The method may include encoding a high-quality image and transmitting the encoded high-quality image through a first channel, determining an image compression format in which a resolution of the encoded low-quality image is higher than or equal to a reference value in comparison to the high-quality image, and encoding the low-quality image according to the determined image compression format and transmitting, the encoded low-quality image through a second channel.

Abstract: A thin film transistor array panel includes a substrate, a gate electrode on the substrate, a gate insulating layer on the gate electrode, a semiconductor layer on the gate insulating layer, a source electrode and a drain electrode on the semiconductor layer and facing each other, a floating metal layer between the source electrode and the drain electrode, and a passivation layer covering the source electrode, the drain electrode, and the floating metal layer. The floating metal layer is electrically floating.

Abstract: Provided are a superhydrophobic/superoleophobic structure and a method of manufacturing the superhydrophobic/superoleophobic structure. The superhydrophobic/superoleophobic structure includes: a roughened primary structure formed on a surface of a metal base; nanopores formed in the roughened primary structure; and a hydrophobic/oleophobic layer formed on a surface of the roughened primary structure. The superhydrophobic/superoleophobic structure makes a large contact angle and a small sliding angle with both aqueous solutions and oily solutions, thereby having a high degree of superhydrophobicity/superoleophobicity. In addition, the superhydrophobic/superoleophobic structure may be formed on large or curved structural objects by the manufacturing method without using a special device.

Abstract: Provided is a battery exchanging type charging station system for an electric vehicle. The battery exchanging type charging station system includes a charging station body formed with a structure in which the electric vehicle freely enters and exits and including a battery loading unit for receiving the battery, a battery replacing robot mounted in the charging station body to perform a battery replacement operation, a charging station control unit to control the battery replacing robot such that the battery replacement operation is performed by controlling the battery replacing robot, an information recognition unit configured to obtain data on an electric vehicle that enters the charging station body and/or data on a type, size, charging state, release date, charging date or the like of the battery, and a charging station control unit that allows a replacement operation of the battery to be performed by controlling the battery replacing robot.

Abstract: Disclosed is an electric vehicle battery attaching/detaching device including a battery having incision recesses formed on lateral portions, respectively, each incision recess having a lower engaging ledge; a battery mounting unit adapted to detachably mount the battery, the battery mounting unit having grasping holders formed on a bottom portion and adapted to engage with or disengage from the lower engaging ledges of the battery incision recesses; and a controller adapted to rotate the grasping holders in response to an electric signal so that the grasping holders engage with or disengage from the lower engaging ledges of the battery incision recesses.

Abstract: Provided is an electric bus and an electric bus battery exchange system. The electric bus according to the present invention includes: a battery exchange hole disposed on top of the electric bus for exchanging a discharged battery for a charged battery; a front camera unit taking front images in the process of entering the battery exchange station for battery exchange; a communication unit for receiving position information of the battery exchange unit from the battery exchange station; a route output unit outputting a predicted driving route for reaching a swapping point below the battery exchange unit based on the front images taken by the front camera unit and the position information of the battery exchange unit; and a display unit displaying the predicted driving route outputted by the route output unit, superimposed on the front images taken by the front camera unit.

Abstract: A thin film transistor display panel a includes a transparent substrate; a gate electrode positioned on the substrate; a gate insulating layer positioned on the gate electrode; a semiconductor layer positioned on the gate insulating layer and including a channel region; a source electrode and a drain electrode positioned on the semiconductor layer and facing each other; and a passivation layer configured to cover the source electrode, the drain electrode, and the semiconductor layer, wherein the semiconductor layer includes a relatively thick first portion between the source electrode and the gate electrode and a relatively thinner second portion between the drain electrode and the gate electrode overlap, the relatively thick first portion being sufficiently thick to substantially reduce a charge trapping phenomenon that may otherwise occur at a gate electrode to gate dielectric interface if the first portion were as thin as the second portion.

Abstract: Disclosed is an electric vehicle, a battery charging station, and an electric vehicle battery exchange reservation system including the same. The electric vehicle includes a power level detection unit adapted to detect a power level of a battery mounted on the electric vehicle; a communication unit adapted to communicate with a battery charging station; and a control unit adapted to determine a battery charging station, in which the battery of the electric vehicle is to be exchanged, based on the power level of the battery and a route of travel of the electric vehicle and transmit a battery exchange reservation command to the determined battery charging station. Based on the battery power level of the electric vehicle, a battery charging station existing along the route of travel is requested to provide battery information, and battery exchange is reserved accordingly, so that batteries can be exchanged more efficiently and conveniently.

Abstract: Provided is a battery exchange method for an electric vehicle. The battery exchange method includes (a) opening a protection cover of a battery mounting module installed at an upper portion of the electric vehicle, and transmitting an open signal to a battery charge station; (b) releasing a locking unit of a pre-mounted battery, and transmitting an unlocking signal to the battery charge station; (c) determining and storing a mounting location of the battery using an image sensor; (d) controlling movements and operations of a battery replacing robot when the unlocking signal is confirmed, and ejecting the pre-mounted battery from a battery seating base of the battery mounting module; (e) controlling movements and operations of the battery replacing robot to move a prepared fully charged battery into the battery mounting module, and mounting the fully charged battery on the battery seating base in the battery charge station.

Abstract: This invention relates to a phosphor-matrix composite powder for minimizing light scattering and to an LED structure including the same, wherein the phosphor-matrix composite powder satisfying certain relation is prepared and the LED structure including the same is manufactured, thus minimizing light scattering and reflection and maximizing package efficiency.

Abstract: An apparatus for managing a delay in receiving a three-dimensional (3D) image may include an image receiver to receive a left image and a right image for 3D image synthesis, and a substitution content output unit to output substitution content during a waiting time caused by a difference between points in time at which the left image and the right image are received.

Abstract: Disclosed are a method and apparatus for providing a three-dimensional (3D) broadcast service using images with asymmetric aspect ratios and a method and apparatus for reproducing a 3D broadcast service. The method of providing the 3D broadcast service includes adjusting a second viewpoint image to be composed with a first viewpoint image into a 3D form with respect to the first viewpoint image and the second viewpoint image for 3D broadcasting, encoding the first viewpoint image and the adjusted second viewpoint image, and generating a broadcast stream of the first viewpoint image and a broadcast stream of the second viewpoint image by multiplexing the first viewpoint image and the second viewpoint image.

Abstract: Provided is an electric bus battery exchange station. The electric bus battery exchange station according to the present invention includes: an exchange station body having a battery exchange, wherein said battery exchange unit is projected out to be connected with a hole of; an imaging unit taking images of the electric bus moving toward said exchange station body; an entry process storing unit storing entry process information needed in order that the electric bus is positioned exactly below the battery exchange unit; an entry information output unit comparing an entry state of the electric bus obtained from images taken by said imaging unit with the entry information stored, and outputting entry information for modifying the entry state of the electric bus to make equal to said entry process information; and an entry information providing unit providing information outputted by said entry information output unit to the electric bus.

Abstract: Provided is a video providing method and a video playing method for a three-dimensional (3D) video, and an apparatus for performing the methods. The video providing method may transmit a reconstruction mode for reconstructing a low-resolution additional video having lower resolution than a high-resolution reference video.

Abstract: Provided is an electric bus and an electric bus battery exchange system. The electric bus according to the present invention includes: a battery exchange hole disposed on top of the electric bus for exchanging a discharged battery for a charged battery; a front camera unit taking front images in the process of entering the battery exchange station for battery exchange; a communication unit for receiving position information of the battery exchange unit from the battery exchange station; a route output unit outputting a predicted driving route for reaching a swapping point below the battery exchange unit based on the front images taken by the front camera unit and the position information of the battery exchange unit; and a display unit displaying the predicted driving route outputted by the route output unit, superimposed on the front images taken by the front camera unit.

Abstract: A content providing apparatus and method, and a content reproduction apparatus and method for accessing a content stream in a hybrid three-dimensional television (3DTV) are disclosed. The content providing apparatus may include a content stream generation unit to generate a first content stream corresponding to a reference image and a second content stream corresponding to a supplementary image, a descriptor generation unit to generate a descriptor associated with the first content stream and the second content stream, and a data transmission unit to transmit the first content stream, the second content stream, and the descriptor to a content reproduction apparatus.

Abstract: Disclosed is a subminiature LED element and a manufacturing method thereof. The subminiature LED element includes a first conductive semiconductor layer, an active layer formed on the first conductive semiconductor layer, and a semiconductor light emission element of a micrometer or nanometer size including a second conductive semiconductor layer formed on the active layer, wherein the outer circumference of the semiconductor light emission element is coated with an insulation film.

Abstract: Disclosed is a full-color LED display device and a manufacturing method thereof. The full-color LED display device includes 1) a plurality of first electrodes formed on a substrate, 2) at least five subminiature blue LED elements attached to each unit pixel site formed on the first electrode, 3) an insulation layer formed on the substrate and the blue LED element, 4) a plurality of second electrodes formed on the insulation layer, and 5) a green color conversion layer and a red color conversion layer formed on the second electrode corresponding to partial unit pixel sites selected from the unit pixel sites.