Abstract: A polymer having a repeating unit represented by Formula 1, wherein R1 through R14, X1, and Ar1 are the same as defined in the detailed description, and an organic light-emitting diode including the polymer are described.

Abstract: A cell smearing apparatus comprising: a mixed solution container accommodation unit accommodating a mixed solution container containing a mixed solution of cells and a preservation solution; a suction unit suctioning the mixed solution from the mixed solution container accommodated in the mixed solution container accommodation unit; a sensor unit sensing variation of the mixed solution suctioned by the suction unit; and a controller controlling a suctioning speed of the suction unit based on a value sensed by the sensor unit. The present invention allows cells to be examined to be smeared as a monolayer on a slide for microscopic examination.

Abstract: A method of manufacturing a vertical memory device includes forming a preliminary first mold structure on a substrate, which includes main and edge regions, and the first preliminary mold structure including alternating insulation and sacrificial layers, forming a first mask on the preliminary first mold structure to expose the preliminary first mold structure between a boundary of the substrate and a first target position, partially etching the insulation and sacrificial layers using the first mask to form a preliminary second mold structure, forming a second mask on the preliminary second mold structure to expose the preliminary second mold structure between the boundary of the substrate and a second target position different from the first target position, and partially etching the insulation layers and the sacrificial layers using the second mask.

Abstract: The present invention relates to a cell collection pad for cervical disease screening and a collection kit including the same. The cell collection pad takes the form of a wearable pad and includes a filter unit collecting cervical cells and an absorption unit absorbing vaginal secretions having passed through the filter unit, thereby collecting cervical cells from the human body in an easy and stable manner.

Abstract: The present invention relates to a passive heat removal system which circulates cooling fluid via a main water supply line, connected to the lower inlet of a steam generator, and a main steam pipe, connected to the top outlet of the steam generator, to the steam generator, in order to remove sensible heat of a reactor coolant system and residual heat of a core, the passive heat removal system comprising: supplementary equipment for receiving surplus cooling fluid or supplying supplementary cooling fluid in order to maintain the flow rate of the cooling fluid within a predetermined range, wherein the supplementary equipment comprises: a supplementary tank, installed at a predetermined height between the lower inlet and the top outlet of the steam generator, for receiving the surplus cooling fluid or supplying the supplementary cooling fluid, passively, depending on the flow rate of the cooling fluid; a first connection pipe, connected to the main steam pipe and the supplementary tank, for forming a flow path t

Abstract: A polymer blend including a first polymer having a unit represented by Formula 1 and a second polymer having a unit represented by Formula 2: wherein in Formulae 1 and 2, R1 through R13, l, and m are the same as defined in the detailed description.

Abstract: A sealing inspection device includes a scan unit through which a display device substrate including a top plate coupled to a bottom plate by a sealing member in the sealed area passes; and a photographing unit through which the display device substrate which has passed through the scan unit, further passes. The scan unit generates coordinate values of the sealed area of the display device substrate, detects a defective region in the sealed area of the display device substrate, and includes a plurality of scan cameras. The photographing unit generates an image of the sealed area of the display device substrate using the generated coordinate values, measures an effective sealing width of the sealed area using the generated image, and comprises a measuring camera.

Abstract: The present invention discloses a passive cooling system of a containment building, to which a plate-type heat exchanger is applied. A passive cooling system of a containment building comprises: a containment building; a plate-type heat exchanger provided to at least one of the inside and the outside of the containment building and comprising channels respectively provided to the both sides of a plate so as to be arranged dividedly from each other such that the plate-type heat exchanger carries out mutual heat exchange between the internal atmosphere of the containment building and a heat exchange fluid while maintaining a pressure boundary; and a pipe connected to the plate-type heat exchanger by penetrating the containment building so as to form the path of the internal atmosphere of the containment building or the heat exchange fluid.

Abstract: The present invention provides a passive residual heat removal system and an atomic power plant comprising the same, the passive heat removal system comprising: a plate-type heat exchanger for causing heat exchange between a primary system fluid or a secondary system fluid which, in order to remove sensible heat from an atomic reactor cooling material system and residual heat from a reactor core, has received the sensible heat and the residual heat, and a cooling fluid which has been introduced from outside of a containment unit; and circulation piping for connecting the atomic reactor cooling material system to the plate-type heat exchanger, thereby forming a circulation channel of the primary system fluid, or connecting a steam generator, which is arranged at the boundary between the primary and secondary systems, to the plate-type heat exchanger, thereby forming a circulation channel of the secondary system fluid.

Abstract: Disclosed herein is a monomer for binding nano-metal, which is useful for the preparation of a conductor having increased conductivity with ensuring flexibility and transparency. Polymerization of the monomer for binding nano-metal provides a conductive polymer composite including a nano-metal rod. A method of preparing the conductive polymer composite is also provided.

Abstract: A cell smearing apparatus comprising: a mixed solution container accommodation unit accommodating a mixed solution container containing a mixed solution of cells and a preservation solution; a suction unit suctioning the mixed solution from the mixed solution container accommodated in the mixed solution container accommodation unit; a sensor unit sensing variation of the mixed solution suctioned by the suction unit; and a controller controlling a suctioning speed of the suction unit based on a value sensed by the sensor unit. The present invention allows cells to be examined to be smeared as a monolayer on a slide for microscopic examination.

Abstract: The present invention discloses a nuclear reactor coolant pump that does not rely on an electric motor, but is operated by means of driving force generated inside a nuclear power plant, so a to be capable of maintaining the safety of the nuclear reactor when the nuclear reactor is operating normally and also in the event of an accident in the nuclear reactor. The nuclear reactor coolant pump comprises: a pump impeller rotatably installed in a first fluid passage of a nuclear reactor coolant system to circulate a first fluid inside the nuclear reactor coolant system; a drive unit receiving steam from a steam generator to generate driving force to rotate the pump impeller, and rotating about the same rotating shaft as the pump impeller to transfer the generated driving force to the pump impeller; and a steam supplying unit forming a passage between the steam generator and the drive unit to supply at least a portion of the steam released from the steam generator to the drive unit.

Abstract: The present invention provides passive safety equipment, comprising: a cooling part formed to cool a first fluid, which is emitted from a reactor coolant system or a steam generator, and a second fluid in a housing; and a circulation induction sprayer which is formed to spray the first fluid emitted from the reactor coolant system or the steam generator into the cooling part, has at least part thereof open to the inside of the housing such that the second fluid flows thereinto according to a drop in pressure caused by the spraying of the first fluid, and sprays the second fluid with the inflown first fluid.

Abstract: A fluoro group-containing compound, a fluoro group-containing polymer, an organic light emitting device including the polymer, and a method of manufacturing the organic light emitting device are provided.

Abstract: Provided are a three-dimensional semiconductor device and a method of fabricating the same. The three-dimensional semiconductor device may include a mold structure for providing gap regions and an interconnection structure including a plurality of interconnection patterns disposed in the gap regions. The mold structure may include interlayer molds defining upper surfaces and lower surfaces of the interconnection patterns and sidewall molds defining sidewalls of the interconnection patterns below the interlayer molds.

Abstract: Provided are methods of manufacturing an ultra-thin inorganic semiconductor film and methods of manufacturing three-dimensional (3D) semiconductor device using the ultra-thin inorganic semiconductor film. A method of manufacturing the ultra-thin inorganic semiconductor film includes preparing a Ge substrate, forming an amorphous graphene layer on the Ge substrate, forming an ultra-thin inorganic semiconductor film on the amorphous graphene layer, and transferring the ultra-thin inorganic semiconductor film to a target substrate. The ultra-thin inorganic semiconductor film is a Si thin film or a Ge thin film and may have a thickness of 50 ?m or less.

Abstract: According to example embodiments, a wire structure includes a first wire that includes a first wire core and a first carbon shell surrounding the first wire core, and a second wire that extends in a longitudinal direction from the first wire. The first wire core has a wire shape. The first carbon shell contains carbon.

Abstract: A solar light concentration plate comprises a first hologram which receives solar light and diffracts incident light in a range of an incident angle, and first and second light guides respectively disposed on both sides of the first hologram, wherein at least one of the first and second light guides has an outer surface substantially inclined to an inner surface of the at least one of the first and second light guides.

Abstract: Provided are a three-dimensional semiconductor device and a method of fabricating the same. The three-dimensional semiconductor device may include a mold structure for providing gap regions and an interconnection structure including a plurality of interconnection patterns disposed in the gap regions. The mold structure may include interlayer molds defining upper surfaces and lower surfaces of the interconnection patterns and sidewall molds defining sidewalls of the interconnection patterns below the interlayer molds.

Abstract: Provided are compounds containing a phosphorescence unit, an emitting polymer, and an organic light emitting device (OLED) containing an organic layer including the emitting polymer. The OLED is useful in portable electronic equipment where low power consumption and low driving voltage are desirable.