Abstract: An image sensor comprises a first and second chips. The first chip includes a first semiconductor substrate, a photoelectric conversion layer in the first semiconductor substrate, a color filter, a micro lens, a first transistor adjacent to the photoelectric conversion layer, a first insulating layer, and a first metal layer in the first insulating layer and connected to the first transistor. The second chip includes a second insulating layer, a second semiconductor substrate, a second transistor on the second semiconductor substrate, a second metal layer in the second insulating layer and connected to a gate structure of the second transistor through a gate contact, a landing metal layer below the second metal layer, and a through via in direct contact with the landing metal layer and vertically passing through the second semiconductor substrate. A width of the through via becomes narrower as the width approaches the third surface.

Abstract: A battery can include an electrode assembly having a first electrode, a second electrode and a separator. The first electrode can include a first active material region coated with an active material layer along a winding direction and a first uncoated region not coated with the active material layer, and at least part of the first uncoated region used as an electrode tab. The battery can further include a first current collector coupled to at least part of the first uncoated region on the electrode assembly, a battery housing to accommodate the electrode assembly and the first current collector, and an insulator between an inner surface of the battery housing facing the first uncoated region or the first current collector and the first uncoated region or the first current collector to block the electrical connection between the first uncoated region and the battery housing.

Abstract: Provided are a cleaning robot and a method of controlling the same, and more specifically, a cleaning robot provided to detect an obstacle in various directions and a method of controlling the same. The cleaning robot includes a light emitter configured to radiate light, a plurality of light receivers configured to receive a radiation of the light in a predetermined direction among radiations of the light reflected from an obstacle when the radiated light is reflected from the obstacle, a support plate to which the light emitter and the light receiver are fixed and which is rotatably provided, and a controller configured to detect the obstacle on the basis of output signals transmitted from the light emitter and the plurality of light receivers and rotation information of the support plate.

Abstract: An antenna device according to an example embodiment includes a silicon substrate of first type doping, at least two first doped regions formed by second type doping different from the first type doping, a second doped region formed by the second type doping outside a channel region surrounding the at least two first doped regions, and at least two gates disposed on a dielectric layer. In the antenna device, a resonant frequency is adjusted according to an external voltage individually applied to the at least two gates, and polarization information of a terahertz (THz) light source is obtained based on a pattern and an amount of an electric field measured at the at least two gates.

Abstract: A field-effect transistor for terahertz wave detection using a gate as an antenna includes a silicon substrate including a source and a drain formed outside a channel region surrounding the source, and a gate formed to be spaced apart from the silicon substrate and correspond to the channel region, on a dielectric layer formed on a surface of the silicon substrate, in which the drain has a width determined based on a first performance parameter associated with a terahertz wave reception rate of the field-effect transistor and the channel region has a width determined based on a second performance parameter associated with detection of a terahertz wave to be received by the field-effect transistor.

Abstract: A mobile robot moving to a target position indicated by a user terminal, the mobile robot includes a driver configured to move the mobile robot; a communication interface configured to exchange a wireless signal with each of a first terminal transceiver and a second terminal transceiver included in the user terminal; and a controller configured to control the driver to move to the target position after transmission and reception of the wireless signal with the first terminal transceiver and transmission and reception of the wireless signal with the second terminal transceiver.

Abstract: An antenna device according to an example embodiment includes a silicon substrate of first type doping, at least two first doped regions formed by second type doping different from the first type doping, a second doped region formed by the second type doping outside a channel region surrounding the at least two first doped regions, and at least two gates disposed on a dielectric layer. In the antenna device, a resonant frequency is adjusted according to an external voltage individually applied to the at least two gates, and polarization information of a terahertz (THz) light source is obtained based on a pattern and an amount of an electric field measured at the at least two gates.

Abstract: A method for managing semantic information on an M2M/IoT platform is provided. The method for managing semantic information according to an embodiment of the present invention stores semantic data in the first attribute of an M2M resource and updates a part of the semantic data stored in the first attribute. Accordingly, efficient management of semantic information on an M2M/IoT platform is possible, and particularly a partial update of the semantic information can be performed.

Abstract: Provided are a cleaning robot and a method of controlling the same, and more specifically, a cleaning robot provided to detect an obstacle in various directions and a method of controlling the same. The cleaning robot includes a light emitter configured to radiate light, a plurality of light receivers configured to receive a radiation of the light in a predetermined direction among radiations of the light reflected from an obstacle when the radiated light is reflected from the obstacle, a support plate to which the light emitter and the light receiver are fixed and which is rotatably provided, and a controller configured to detect the obstacle on the basis of output signals transmitted from the light emitter and the plurality of light receivers and rotation information of the support plate.

Abstract: Provided are a cleaning robot and a method of controlling the same, and more specifically, a cleaning robot provided to detect an obstacle in various directions and a method of controlling the same. The cleaning robot includes a light emitter configured to radiate light, a plurality of light receivers configured to receive a radiation of the light in a predetermined direction among radiations of the light reflected from an obstacle when the radiated light is reflected from the obstacle, a support plate to which the light emitter and the light receiver are fixed and which is rotatably provided, and a controller configured to detect the obstacle on the basis of output signals transmitted from the light emitter and the plurality of light receivers and rotation information of the support plate.

Abstract: Disclosed herein are a cleaning robot and a method of controlling the same. The cleaning robot according to one embodiment includes a modular in which one or more modules configured to support different functions are integrated, and a controller configured to control the overall operation of the cleaning robot.

Abstract: A mobile robot moving to a target position indicated by a user terminal, the mobile robot includes a driver configured to move the mobile robot; a communication interface configured to exchange a wireless signal with each of a first terminal transceiver and a second terminal transceiver included in the user terminal; and a controller configured to control the driver to move to the target position after transmission and reception of the wireless signal with the first terminal transceiver and transmission and reception of the wireless signal with the second terminal transceiver.

Abstract: Embodiments of the present disclosure relate to a cleaning robot and a method of controlling the same, and more particularly, to a cleaning robot docking to a station based on a radio frequency (RF) signal and a method of controlling the same. An aspect of the present disclosure, there is provided a cleaning robot comprising a cleaning robot antenna unit configured to receive a radio frequency (RF) signal transmitted from a station; and a controller configured to extract a received signal strength indicator (RSSI) value by processing the RF signal received by the cleaning robot antenna unit and control movement of the cleaning robot to dock to the station based on the extracted RSSI value.

Abstract: A method for managing semantic information on an M2M/IoT platform is provided. The method for managing semantic information according to an embodiment of the present invention stores semantic data in the first attribute of an M2M resource and updates a part of the semantic data stored in the first attribute. Accordingly, efficient management of semantic information on an M2M/IoT platform is possible, and particularly a partial update of the semantic information can be performed.

Abstract: A moving apparatus for cleaning is provided. The moving apparatus includes a cleaner for cleaning, a traveler for moving the moving apparatus, an image sensor for capturing an image of surroundings of the moving apparatus, and at least one processor configured to control the image sensor to detect at least one mark among a plurality of marks, respectively corresponding to different distances of the moving apparatus in relation to a station apparatus, from the image captured by the image sensor, and control the traveler to move the moving apparatus to a location of the station apparatus, which is determined based on the image where the mark is detected.

Abstract: Provided are a cleaning robot and a method of controlling the same, and more specifically, a cleaning robot provided to detect an obstacle in various directions and a method of controlling the same. The cleaning robot includes a light emitter configured to radiate light, a plurality of light receivers configured to receive a radiation of the light in a predetermined direction among radiations of the light reflected from an obstacle when the radiated light is reflected from the obstacle, a support plate to which the light emitter and the light receiver are fixed and which is rotatably provided, and a controller configured to detect the obstacle on the basis of output signals transmitted from the light emitter and the plurality of light receivers and rotation information of the support plate.

Abstract: The purpose of the present invention is to provide a terahertz detector using a field-effect transistor capable of implementing high sensitivity by exhibiting an asymmetric characteristic only with a form of a source/drain and a gate. To this end, the present invention relates to the terahertz detector using a field-effect transistor comprising: a source formed by being doped on a portion of a silicon base; a channel formed so as to encompass the source on a plane; a drain formed outside the channel; a dielectric layer formed on an upper end of the source, the channel and the drain; and a gate located at an upper end of the dielectric layer, wherein when terahertz electromagnetic waves are applied through the gate, the intensity of the electromagnetic waves is detected using a current/voltage outputted from the source and the drain.

Abstract: Disclosed herein are a cleaning robot and a method of controlling the same. The cleaning robot according to one embodiment includes a modular in which one or more modules configured to support different functions are integrated, and a controller configured to control the overall operation of the cleaning robot.

Abstract: A ring-type FET may include a silicon base, a source formed on a portion of the silicon base through doping, a channel formed to encompass the source on a plane, a drain formed outside the channel, a dielectric layer formed on the source, the channel and the drain, and a gate provided on the dielectric layer, wherein a center of the source is spaced apart from a center of the channel, and the gate is formed of a metal material, disposed above the channel and configured to cover an upper face of the channel and overlap a portion of the source and a portion of the drain.

Abstract: A ring-type FET may include a silicon base, a source formed on a portion of the silicon base through doping, a channel formed to encompass the source on a plane, a drain formed outside the channel, a dielectric layer formed on the source, the channel and the drain, and a gate provided on the dielectric layer, wherein a center of the source is spaced apart from a center of the channel, and the gate is formed of a metal material, disposed above the channel and configured to cover an upper face of the channel and overlap a portion of the source and a portion of the drain.