Abstract: The power semiconductor device includes: a first trench gate and a second trench gate in a stripe shape extending in one direction in parallel and spaced apart from each other in a substrate; a third trench gate in a ladder shape extending in a direction different from the one direction between the first trench gate and the second trench gate in the substrate; a first conductive type body area each disposed between the first trench gate, the second trench gate and the third trench gate, respectively, in the substrate; a pair of first conductive type floating first areas surrounding each of bottom surfaces and at least one side of the first trench gate and the second trench gate in the substrate; and a first conductive type floating second area surrounding a bottom surface of the third trench gate in the substrate.

Abstract: A power semiconductor device includes: a semiconductor layer including a main cell region, a sensor region, and an insulation region between the main cell region and the sensor region; a plurality of power semiconductor transistors disposed on the main cell region; a plurality of current sensor transistors disposed on the sensor region; and a protection resistance layer disposed on the semiconductor layer across the insulation region so that at least a portion of the plurality of power semiconductor transistors and at least a portion of the plurality of current sensor transistors are connected to each other under an abnormal operation condition.

Abstract: The power semiconductor device includes: a first trench gate and a second trench gate in a stripe shape extending in one direction in parallel and spaced apart from each other in a substrate; a third trench gate in a ladder shape extending in a direction different from the one direction between the first trench gate and the second trench gate in the substrate; a first conductive type body area each disposed between the first trench gate, the second trench gate and the third trench gate, respectively, in the substrate; a pair of first conductive type floating first areas surrounding each of bottom surfaces and at least one side of the first trench gate and the second trench gate in the substrate; and a first conductive type floating second area surrounding a bottom surface of the third trench gate in the substrate.

Abstract: Provided are a method for controlling a beamforming antenna to enhance transmitting/receiving performance and a wireless communication device performing the same in a TDMA-based wireless communication system. The wireless communication device includes a beamforming antenna, which is configured with omnidirectional antennas, including a central antenna and a plurality of parasitic antennas and a controller controlling a beamforming direction of the beamforming antenna by analyzing a signal received from other station. The method for controlling a beamforming antenna includes analyzing, by a wireless communication device having a beamforming antenna, which is configured with omnidirectional antennas, including a central antenna and a plurality of parasitic antennas, a signal received from other station to control a beamforming direction of the beamforming antenna.

Abstract: Provided are a transmission/reception slot management apparatus and method for maritime communication and a VHF data exchange system for a ship. The transmission/reception slot management method performed by a transmission/reception slot management apparatus of a VHF data exchange system (VDES) for a ship, the transmission/reception slot management method includes allocating, to a slot map for transmitting and receiving data through a single antenna for transmission/reception, a reception slot according to slot reservation information received from another ship station or a base station (BS), sorting transmission data to be transmitted to the other ship station or the BS according to a predetermined priority, and sequentially allocating, to the slot map, the sorted transmission data according to the predetermined priority.

Abstract: Provided is a semiconductor device. The device comprises an epitaxial layer that constitutes a part of an active cell region and is doped with impurities of a first conductivity type at a first concentration; a field stop region that is located below the epitaxial layer and doped with impurities of a second conductivity type at a second concentration which are then activated; and a collector region that is located below the field stop region 70 and is doped with impurities of a second conductivity type. The field stop region is formed by repeatedly alternately arranging regions in which the activation of the impurities of the first conductivity type is relatively strong and regions in which the activation of the impurities of the first conductivity type is relatively weak.

Abstract: The present invention provides a semiconductor device comprising a substrate including an active region and an edge region and containing a semiconductor doped with impurities having a first conductivity type; an insulating film disposed on the edge region of the substrate; a field plate pattern disposed on the insulating film; and at least one first doped region having a second conductivity type buried in the edge region of the substrate and extending in a direction having a vector component parallel to an upper surface of the substrate.

Abstract: Provided is a power semiconductor device comprising a gate electrode in a trench of a substrate; a body region having a first conductivity type on one side of the gate electrode; a source region having a second conductivity type adjacent to the gate electrode; a floating region having a first conductivity type on the other side of the gate electrode; an edge doped region having a first conductivity type spaced apart from the floating region and electrically connected to the source region; an edge junction isolation region having a second conductivity type between the floating region and the edge doped region; and a drift region having a second conductivity type below the floating, edge doped, and edge junction isolation regions, wherein the doping concentration of a second conductivity type in the edge junction isolation region is higher than the doping concentration of a second conductivity type in the drift region.

Abstract: Provided are a method for controlling a beamforming antenna to enhance transmitting/receiving performance and a wireless communication device performing the same in a TDMA-based wireless communication system. The wireless communication device includes a beamforming antenna, which is configured with omnidirectional antennas, including a central antenna and a plurality of parasitic antennas and a controller controlling a beamforming direction of the beamforming antenna by analyzing a signal received from other station. The method for controlling a beamforming antenna includes analyzing, by a wireless communication device having a beamforming antenna, which is configured with omnidirectional antennas, including a central antenna and a plurality of parasitic antennas, a signal received from other station to control a beamforming direction of the beamforming antenna.

Abstract: Provided is a power semiconductor device comprising a pair of gate electrodes respectively disposed in a first trench and a second trench spaced apart from each other in a substrate; a body region having a first conductivity type disposed between the first trench and the second trench; a pair of floating regions having a first conductivity type spaced apart from each other and surrounding a bottom surface and at least one side surface of the first trench and the second trench, respectively; and a drift region having a second conductivity type which extends from below the pair of floating regions through a region between the pair of floating regions to the body region, wherein, in the drift region, the doping concentration of a second conductivity type between the pair of floating regions is higher than the doping concentration of a second conductivity type below the pair of floating regions.

Abstract: The present invention provides a semiconductor device comprising a substrate including an active region and an edge region and containing a semiconductor doped with impurities having a first conductivity type; an insulating film disposed on the edge region of the substrate; a field plate pattern disposed on the insulating film; and at least one first doped region having a second conductivity type buried in the edge region of the substrate and extending in a direction having a vector component parallel to an upper surface of the substrate.

Abstract: Provided is a power semiconductor device comprising a pair of gate electrodes respectively disposed in a first trench and a second trench spaced apart from each other in a substrate; a body region having a first conductivity type disposed between the first trench and the second trench; a pair of floating regions having a first conductivity type spaced apart from each other and surrounding a bottom surface and at least one side surface of the first trench and the second trench, respectively; and a drift region having a second conductivity type which extends from below the pair of floating regions through a region between the pair of floating regions to the body region, wherein, in the drift region, the doping concentration of a second conductivity type between the pair of floating regions is higher than the doping concentration of a second conductivity type below the pair of floating regions.

Abstract: Provided is a power semiconductor device comprising a gate electrode in a trench of a substrate; a body region having a first conductivity type on one side of the gate electrode; a source region having a second conductivity type adjacent to the gate electrode; a floating region having a first conductivity type on the other side of the gate electrode; an edge doped region having a first conductivity type spaced apart from the floating region and electrically connected to the source region; an edge junction isolation region having a second conductivity type between the floating region and the edge doped region; and a drift region having a second conductivity type below the floating, edge doped, and edge junction isolation regions, wherein the doping concentration of a second conductivity type in the edge junction isolation region is higher than the doping concentration of a second conductivity type in the drift region.

Abstract: The present invention relates to an apparatus and method of browsing content and in particular, to an apparatus and method of browsing content that allows a user to easily browse desired content An apparatus for browsing content according to an aspect of the invention includes an apparatus including a metadata storage unit storing information on content, which is classified according to a first classification basis, a second classification basis, and a third classification basis, a browsing-guide-generation unit generating a browsing guide with the first classification basis and the second classification basis as axes, and arranging the generated browsing guide with the third classification basis as an axis, and an output unit outputting the browsing guide.

Abstract: The present invention provides an electronic device and a method for providing learning information using the same. The electronic device comprises a storage unit storing at least one data regarding learning information; a touch screen receiving a user input and displaying the at least one data; and a control unit displaying a learning theme item and at least one learning sub-theme item related to the learning theme item through the touch screen by mapping the at least one learning sub-theme item to the learning theme item, receiving a predefined user input for the at least one learning sub-theme item, and controlling the touch screen to display a notification window including image data and text data regarding the at least one learning sub-theme item according to the predefined user input.

Abstract: The present invention relates to an apparatus and method of providing a graphical user interface, and, more particularly, to an apparatus and method of providing a graphical user interface that enables a user to rapidly search a desired menu. An apparatus for providing graphical user interface according to an aspect of the invention includes an apparatus including an output unit outputting a first menu in which a plurality of menu items are arranged in a predetermined direction, and outputting a second menu having a first region and a second region that are classified from a menu item selected from the first menu according to a predetermined classification standard, and a control unit performing an operation that corresponds to a menu item selected from the second menu.

Abstract: According to certain embodiments, an apparatus and method for charging a battery pack for an electronic apparatus includes an earphone connection unit, a charge determining switching unit, a charge circuit, and a control unit. The earphone connection unit is configured to be connected to the electronic apparatus to selectively receive one of an earphone unit for an earphone mode and the spare battery pack for a charge mode. The charge determining switching unit is configured to switch to one of the earphone mode and the charge mode according to the unit connected electrically to the earphone connection unit. The charge circuit is configured to open a charge path for charging the spare battery pack with an external voltage applied to the electronic apparatus, according to the switching of the charge determining switching unit. The control unit is configured to measure a resistance value of the spare battery pack applied to the charge determining switching unit, switches the mode, and opens the charge circuit.

Abstract: The present invention relates to the method and apparatus for providing learning information. The method providing learning information composed of a learning topic categorized by public school grade levels comprising steps of: (a) displaying a predetermined shape embodying the learning topics; (b) when receiving a user selection for the shape, displaying learning information belonging to the selected learning topic by dividing the learning information by grade levels; and (c) when one of the learning information divided by the grade levels is selected, providing learning content belonging to the selected learning information. This method and apparatus for providing learning information allows users to holistically learn the English language and helping users to easily understand and remember concepts related to learning topics.

Abstract: Disclosed is a wireless communication apparatus of a ship for security, safety and emergency situation at sea, wherein position information may be transmitted to or received from a control center or a rescue center through a GPS receiver and may be connected to a display apparatus. When the situation is normal, the apparatus is engaged to a holding unit. In case the situation is in emergency, the apparatus separates from the holding unit and becomes possible to transmit the current position information to the head office or receive the same as the LED lamp begins to emit light. The apparatus has a waterproof structure, and the manufacturing unit cost is low, so the apparatus of the present invention may be easily distributed to many small sized ships along with navigation or plotter display terminal apparatus.

Abstract: A terminal including a communication unit configured to receive a broadcasting signal, a display unit configured to display a broadcast content included in the received broadcasting signal and to display at least one widget application, and a control unit configured to determine if the received broadcasting signal includes a caption related to the broadcast content, to determine if the caption is to be displayed at a position that will overlap with at least a portion of the displayed widget application when the caption is included in the broadcasting signal, and to move a position of the widget application on the display unit if the caption is determined to be displayed at the position that will overlap with said at least the portion of the displayed widget application.