Abstract: An embodiment relates to a light-emitting element that easily dissipates heat through a pad and has a uniform heat distribution, the light-emitting element including a light-emitting structure that includes a first semiconductor layer, an active layer, and a second semiconductor layer; a first electrode that is formed on one side of the light-emitting structure and includes a plurality of contact parts electrically connected with the first semiconductor layer; a second electrode formed on the one side of the light-emitting structure and electrically connected with the second semiconductor layer; a first pad connected with the first electrode; and a second pad spaced apart from the first pad and connected with the second electrode, wherein the plurality of contact parts are arranged on the first and second pads.

Abstract: A mobile robot and method for controlling the same are provided creating patches in images captured by a camera while the mobile robot is moving, estimating motion blur of the patches, and correcting the position of the mobile robot based on the patch from which the motion blur is eliminated, thereby increasing precision in tracking and reliability through accurate mapping. The mobile robot includes a main body, a traveler to move the main body, a camera combined with the main body to capture an image of a surrounding of the main body, a position detector to create a patch in the image captured by the camera, estimate a motion blur of the patch, and track a position of the main body based on the created patch from which the motion blur is eliminated, and a controller to control the traveler based on the position of the main body.

Abstract: A developing cartridge includes a developing portion to supply toner, a toner storing portion to store the toner, a partition wall formed between the developing portion and the toner storing portion and having a toner supply section, and a storing-portion agitating member rotatably disposed in the toner storing portion to intermittently rotate to move the toner in the toner storing portion while the developing portion supplies the toner.

Abstract: A video screen apparatus for hitting, including a first rotation rod on which a screen fabric is wound, and a second rotation rod having rotation rings are provided at both left and right sides, in which the first rotation rod is provided below a support in a horizontal direction, the second rotation rod is provided above the support in the horizontal direction, the screen is formed between a first support rod and a second support rod, a screen mounting board for mounting and separating the first rotation rod is provided below the support in the horizontal direction, a rotation support for mounting and separating the second rotation rod is provided above the support in the horizontal direction, and the second rotation rod provided above the support is configured by a separation and joining means configured to separate and join the second rotation rod from and to a motor.

Abstract: The MAC frame in a wireless communication system includes a terminal ID allocated to each of multiple terminals. At least one connection ID is allocated to each terminal having the terminal ID, and sub-carrier allocation information is allocated to each connection having the connection ID. The sub-carrier allocation information includes a sub-carrier allocation status for each sub-carrier, and the number of allocated information bits for each sub-carrier. The sub-carrier allocation status and the number of allocated information bits for each sub-carrier can be allocated, by sub-carriers, to the sub-carrier allocation information using a same number of bits; or the information on the sub-carrier allocation status is first allocated to the sub-carrier allocation information and the number of allocated information bits for each sub-carrier is allocated.

Abstract: Disclosed are a polyurethane composition, a molded article, and a vehicle comprising the polyurethane composition or the molded article. The polyurethane composition comprises a polyol composition (A) in which polyether polyol (a1) and polymer polyol (a2) are mixed at a predetermined amount, an isocyanate composition (B) obtainable by polymerizing polyether polyol (b2) and an isocyanate composition (b1) that comprises i) methylene diphenyl isocyanate (M-MDI) and ii) polymethylene diphenyl isocyanate (P-MDI). As such, the molded article such as a vehicle seat pad can be manufactured with improved static and dynamic comfort.

Abstract: In an apparatus for adjustable counterbalance mechanism and a method for controlling the apparatus, the apparatus includes a reference surface, a link, an elastic member, a wire, an idle roller and a compensation torque. The link has a first end rotationally connected to the reference surface to form a rotational center, and a weight center of the link is spaced apart from the rotational center. The elastic member has a first end combined with the link. The wire has a first side combined with a second end of the elastic member, and a second side combined with the reference surface. The idle roller is combined with the link to support a portion between first and second ends of the wire. The compensation torque controller is equipped to the link, to control the position of the idle roller and an elastic force of the elastic member.

Abstract: According to one embodiment of the present invention, a doorbell device comprises: a power input unit; an interface unit; a battery unit for supplying power to the interface unit; a switching circuit connected to a doorbell switch so as to change a path of a current supplied from the power input unit according to an on/off state of the doorbell switch; and a control unit for charging the battery unit by using a current outputted from the switching circuit, wherein the control unit performs control such that the battery unit supplies power to the interface unit if the current outputted from the switching circuit toward the control unit is cut off.

Abstract: The present invention relates to an image sound device having a display portion that can appear/disappear, the device comprising: a housing, the upper end of which is open, and which has a space provided therein; a display portion installed inside the housing to be able to output images; an elevating unit installed inside the housing and below the display portion such that the display portion can be made to protrude through the upper end of the housing; and a motor control portion for controlling the elevating unit such that the display portion can be positioned at two or more heights.

Abstract: One embodiment comprises: a substrate; a first conductive semiconductor layer disposed on the substrate; a second conductive semiconductor layer disposed on the first conductive semiconductor layer; and an active layer disposed between the first conductive semiconductor layer and the second conductive semiconductor layer, wherein the first conductive semiconductor layer comprises a first area where a partial area of the first conductive semiconductor layer is exposed, and comprises an inclination part which is disposed between the upper surface of the first area and the upper surface of the second conductive semiconductor layer, wherein the inclination part comprises a first edge making contact with the upper surface of the second conductive semiconductor layer, and a second edge making contact with the upper surface of the first area of the first conductive semiconductor layer, wherein the ratio of a first length to a second length is 1:0.87 to 1:4.

Abstract: Disclosed is an austenitic stainless steel with increased workability. The austenitic stainless steel includes, based on % by weight, silicon (Si): 0.1 to 0.65%, manganese (Mn): 0.2 to 3.0%, nickel (Ni): 6.5 to 10.0%, chromium (Cr): 16.5 to 20.0%, copper (Cu): 6.0% or less (excluding 0), the sum of carbon (C) and nitrogen (N): 0.08% or less (excluding 0), and the remainder being Fe and unavoidable impurities, wherein the austenitic stainless steel has a work hardening rate of 1500 MPa or less within a true strain range of 0.15 to 0.4. Therefore, when a sink bowl and the like are processed using the austenitic stainless steel, the true strain and work hardening rate of which are controlled, the occurrence of delayed fracture in a molded corner thereof, which has been subjected to a large amount of processing, can be prevented.

Abstract: A lean duplex stainless steel and a method of manufacturing the same are provided. The lean duplex stainless steel includes, in percent (%) by weight of the entire composition, 0.08% or less of carbon (C) (excluding 0), 0.7 to 1.1% of silicon (Si), 2.4 to 3.5% of manganese (Mn), 17.9 to 20.7% of chromium (Cr), 0.05 to 1.15% of nickel (Ni), 0.18 to 0.3% of nitrogen (N), 0.4 to 2.8% of copper (Cu), and the remainder of iron (Fe) and inevitable impurities, wherein a predicted pitting potential is from 360 to 440 mV. Thus, manufacturing costs may be reduced via adjustment of components of the duplex stainless steel and both of formability and corrosion resistance may be improved by improving corrosion resistance and increasing elongation. Formability may be improved by inhibiting formation of thermal martensite and increasing elongation via adjustment of cooling conditions during coiling and cooling after hot rolling.

Abstract: Provided is a semiconductor layer light-emitting element having tunneling blocking layers interposed between adjacent active regions, wherein the tunneling blocking layers are semiconductor layers, which do not allow the movement of an electron or a hole at an applied voltage sufficient to activate only one active region among all active regions, and independently separate two adjacent active regions in a quantum region range, so that the semiconductor light-emitting element comprises multiple independent active regions in a vertical direction in a single chip and thus can be driven at high voltages.

Abstract: A method for providing a content service using a content acquisition apparatus, a server, and a content execution apparatus includes generating video data using a camera of the content acquisition apparatus, generating motion data by measuring an angular velocity and acceleration of the content acquisition apparatus using sensors of the content acquisition apparatus, and generating content by synchronizing the video data with the motion data, reading, by the server, a first set signal from a memory, receiving, by the server, the content transmitted from the content acquisition apparatus and storing the content in a database when the first set signal indicates VOD streaming, and receiving, by the server, the content transmitted from the content acquisition apparatus and live streaming the content to the content execution apparatus when the first set signal indicates live streaming.

Abstract: An apparatus for spatially separated images in which one image is separated into a short-range image and a long-range image on two or one image display, and the short-range image is disposed on the front side, the long-range image is disposed at a long distance, and a translucent mirror is provide on the front surface of the short-range image, and the short-range image and the long-range image are synthesized while spaced apart from each other by a space distance to generate an effect of viewing a realistic image by a glassless 3D effect having perspective by a distance separation effect and obtain a spatially realistic image in vertical left and front directions, front and rear directions, left and right directions, or one left or right direction, and, an apparatus for spatially separated images capable of viewing a 4 to 10 times higher-definition spatial 3D image without polarizing glasses.

Abstract: An apparatus for spatially separated images in which one image is separated into a short-range image and a long-range image on two or one image display, and the short-range image is disposed on the front side, the long-range image is disposed at a long distance, and a translucent mirror is provide on the front surface of the short-range image, and the short-range image and the long-range image are synthesized while spaced apart from each other by a space distance to generate an effect of viewing a realistic image by a glassless 3D effect having perspective by a distance separation effect and obtain a spatially realistic image in vertical left and front directions, front and rear directions, left and right directions, or one left or right direction, and, an apparatus for spatially separated images capable of viewing a 4 to 10 times higher-definition spatial 3D image without polarizing glasses.

Abstract: A developing cartridge is disposed in an image forming apparatus. The developing cartridge includes a developing portion; a toner storing portion; a partition wall positioned between the developing portion and the toner storing portion and provided with a toner supply section; a first agitating member inside the developing portion; and a second agitating member inside the toner storing portion, wherein at least one of the first agitating member and the second agitating member comprises an elastic member to be in contact with the partition wall.

Abstract: A Flash Translation Layer (FTL) structure including mapping information for storing data is disclosed. The FTL structure includes a plurality of hierarchical data groups including a zeroth-layer host data group, and first-layer to nth-layer metadata groups, and zeroth to nth logs configured in a hierarchical structure in correspondence with the respective hierarchical data groups, for processing data of the corresponding data groups. A kth log (0?k?n) provides an interface to volatile memory resources dividedly allocated to the kth log, an interface to non-volatile memory resources dividedly allocated to the kth log, and an interface to at least one of (k?1)th and (k+1)th logs.

Abstract: A method for providing a multi number service using a universal integrated circuit card (UICC) comprises the steps of: according to a command received from the outside of a UICC, selecting any one subscriber identification information set among a plurality of subscriber identification information sets stored in a memory allocated to a subscriber identification information set managing application; and activating the selected subscriber identification information set.

Abstract: A transparent LED display device structure having an image tape formed having a small width by a thin plate and in which an image is formed by the unit of a line in a horizontal direction; an image division structure provided below an image plate line, in which oblique surfaces formed by a first prism bar and a second prism bar having a reflection surface as a rectangular oblique side are coupled with each other, and as a result, a front image and a rear image straightly penetrate and light of the image tape, which vertically incidents in the oblique surface is reflected at a right angle at 90°; a blocking plate provided on the bottom of the image division structure; and a transparent image plate configured by sequentially stacking the blocking plate, the first and second prism bars, and the image tape upwards.