Abstract: A semiconductor device includes; a lower structure, lower electrodes on the lower structure, wherein each lower electrode includes a first lower electrode and a second lower electrode on the first lower electrode and electrically connected to the first lower electrode, an upper electrode covering the lower electrodes, and a dielectric film between the lower electrodes and the upper electrode, wherein the first lower electrode includes a pillar portion and a protruding portion on the pillar portion, wherein protruding portion has a complex shape that contacts the second lower electrode.

Abstract: An integrated circuit device includes a substrate having a plurality of active regions defined therein, a first word line structure including a first word line, a first gate dielectric film surrounding the first word line, and an oxide semiconductor channel layer surrounding the first gate dielectric film, the first word line structure being buried in the substrate, and crossing a first active region of the plurality of active regions, a second word line structure including a second word line and a second gate dielectric film surrounding the second word line, the second word line structure being buried in the substrate and separated from the first word line structure, and crossing the first active region, a direct contact partially passing through the first active region and the first word line structure and contacting the oxide semiconductor channel layer, and a bit line contacting the direct contact.

Abstract: An integrated circuit (IC) device may include a conductive area on a substrate; a first electrode connected to the conductive area on the substrate, a width of the first electrode in a lateral direction gradually increasing toward the substrate; a second electrode on the substrate, the second electrode including a silicon germanium (SiGe) film, the SiGe film surrounding the first electrode; and a dielectric film between the first electrode and the second electrode. A content of a component of the SiGe film may vary according to a distance from the substrate.

Abstract: An autonomous vehicle may provide bidirectional communication with mobile terminals of pedestrians. The autonomous vehicle may include a short range communication module for providing a communication interface, and a controller for, when a specific driving condition occurs, activating wireless communication through the short range communication module, periodically broadcasting a beacon signal including vehicle location and speed information, and calculating a danger level for each pedestrian based on pedestrian information included in a response signal corresponding to the beacon signal.

Abstract: An autonomous vehicle may provide bidirectional communication with mobile terminals of pedestrians.

Abstract: A mobile terminal and controlling method thereof are disclosed, by which data useful in an external device among data accumulated through the mobile terminal can be transmitted only. The present invention includes a display unit, a wireless communication unit configured to communicate with at least one external device, a memory configured to store a plurality of data accumulated via the mobile terminal, and a controller configured to search the stored data for at least one data useful in the external device, and the controller controls the wireless communication unit to transmit the searched data to the external device.

Abstract: A mobile terminal and controlling method thereof are disclosed, by which data useful in an external device among data accumulated through the mobile terminal can be transmitted only. The present invention includes a display unit, a wireless communication unit configured to communicate with at least one external device, a memory configured to store a plurality of data accumulated via the mobile terminal, and a controller configured to search the stored data for at least one data useful in the external device, and the controller controls the wireless communication unit to transmit the searched data to the external device.