Abstract: A water purifier capable of stably discharging residual water from an extraction unit is disclosed. The water purifier (100) comprises: a filter unit (110) having a reverse osmosis membrane filter (113) for filtering incoming water; an extraction unit (160) for providing purified water filtered by the filter unit (110) to a user; and a residual water drainage unit (150) configured to drain, through the reverse osmosis membrane filter (113), residual water remaining in the extraction unit (160), by using an osmotic phenomenon of the reverse osmosis membrane filter (113) after completion of the extraction through the extraction unit (160).

Abstract: A compound of Chemical Formula 1, and an organic photoelectric device, an image sensor, and an electronic device including the same are disclosed: In Chemical Formula 1, each substituent is the same as defined in the detailed description.

Abstract: Disclosed are an oral fixation device for radiation therapy and an oral fixation method in treatment of a lip cancer. The oral fixation device for radiation therapy includes a first spacer including a first insert inserted between a first lip portion and a first gum portion, and a tooth support coupled to the first spacer at a side of the first spacer disposed inwardly of an oral cavity, wherein teeth or gums of a patient is supported on the tooth support, wherein a first spacer has a specific thickness to maintain a specific spacing between the first lip portion and the first gum portion, wherein the first lip portion includes a treatment target portion to be subjected to the radiation therapy.

Abstract: Provided is a geothermal heat system having reduced heat source residual heat of a geothermal heat pump. The geothermal heat system includes a ground heat exchanger unit, a geothermal heat pump, and a residual heat storage tank. A portion of heat source residual heat remaining in the geothermal heat pump is transferred on a geothermal heat exchange medium passing through the geothermal heat pump so as to be stored in the residual heat storage tank. As the internal temperature of the residual heat storage tank gradually becomes the same as the temperature of the underground, the thermal load of the underground is removed. At least a portion of the heat source residual heat produced during provision of cooling/heating to the location of use is processed, thereby improving the operating efficiency of the geothermal heat system having reduced heat source residual heat of a geothermal heat pump.

Abstract: An imaging lens system includes a first lens, a second lens, a third lens, a fourth lens, and a fifth lens, sequentially disposed at intervals from an object side of the imaging lens system. A refractive index of each of the second lens, the third lens, the fourth lens, and the fifth lens is 1.6 or greater, and TTL/2IH<0.730, where TTL is a distance from an object side surface of the first lens to an imaging plane, and 2IH is a diagonal length of the imaging plane.

Abstract: A cooking appliance, as provided herein, may include a cabinet, a magnetron, an induction heating coil, and a one-way field filter. The cabinet may define a cooking chamber. The magnetron may be mounted within the cabinet in communication with the cooking chamber to direct a microwave thereto. The induction heating coil may be mounted within the cabinet to direct a magnetic field thereto. The one-way field filter may be disposed within the cabinet between the induction heating coil and the cooking chamber to restrict passage of the microwave therethrough while permitting the magnetic field. The one-way filter may include a lower layer and an upper layer. The lower layer may include a plurality of parallel conductive bands extending in a first direction. The upper layer may be disposed above the lower layer. The upper layer may include a plurality of parallel conductive bands extending in the second direction.

Abstract: A secondary battery may include: an electrode assembly in which a positive electrode, a negative electrode, and a separator are wound or stacked; an insulator on at least one of an upper portion and a lower portion of the electrode assembly; and a battery case configured to accommodate the electrode assembly, the insulator, and an electrolyte and sealed by a cap assembly, wherein the insulator includes: a peripheral portion having a disk ring shape and made of a rigid material; and a central portion extending inward from an inner circumferential surface of the peripheral portion and including a textile fabric having high-temperature resistance.

Abstract: The present invention relates to a soft capsule comprising tyndalized bacteria in a film. The soft capsule, according to the present invention, can secure homogeneity of the tyndalized bacteria in the film even with a trace amount of the tyndalized bacteria, and since functional ingredients and the tyndalized bacteria can be administered simultaneously, the advantages due to the functional ingredients and the advantages due to the tyndalized bacteria can be obtained simultaneously.

Abstract: Disclosed is an apparatus for assembling a solid hydrogen storage system. The apparatus includes a lower support installed to support a lower side of material blocks to be assembled, split covers assembled in multiple stages on an upper side of the lower support and forming therein a closed space in which the material blocks are capable of being assembled, the split covers being configured to be separated in a horizontal direction, and gas injection ports provided in the split covers to inject an inert gas into an inner space of the split covers.

Abstract: The present disclosure relates to a catechol group- or pyrogallol group-functionalized biocompatible polymer hydrogel patch having excellent biocompatibility and tissue adhesion, and uses for drug delivery, cell transplantation and tissue regeneration using the same. The biocompatible polymer hydrogel patch functionalized with the catechol group or pyrogallol group of the present disclosure has remarkably excellent mechanical properties and tissue adhesion compared with a solution-based bulk hydrogel. Therefore, it can load cells and a drug in vivo for a long time and also safely and efficiently deliver the cells and the drug to a target site.

Abstract: According to some embodiments of the present disclosure, a display device includes: a substrate; a planarization layer on the substrate; a first alignment mark in a non-display area of the substrate; a first electrode and a second electrode in a display area of the substrate; a light emitting element electrically connected to the first electrode and the second electrode; a wavelength conversion layer on the light emitting element; a first bank on at least a part of the first electrode; and a second bank on the first bank to be around the wavelength conversion layer. A thickness of a part of the planarization layer that overlaps the first alignment mark in a thickness direction of the substrate is greater than a thickness of a part of the planarization layer that overlaps the first electrode and the second electrode in the thickness direction of the substrate.

Abstract: Provided is a 3D printer having a residual powder removal device, including: a cabinet configured to form an exterior and protect a plurality of parts embedded therein, a chamber configured to form a printing space where a 3D part is formed by being irradiated with a laser from a laser irradiator inside the cabinet, a concentration measurer configured to measure a concentration of metal powder scattered inside the chamber, a powder transfer unit configured to transfer the metal powder from inside the chamber, and a residual powder removal device configured to spray an inert gas into the chamber to forcibly scatter cohered metal powder, discharge the metal powder scattered inside the chamber to the outside along with the inert gas, and cause the metal powder to pass through a filter assembly so that the metal powder is filtered and the residual metal powder is removed from inside the chamber.

Abstract: A system for supplying hydrogen using waste heat of a fuel cell includes: a fuel cell to produce electric power using hydrogen; an internal cooling line in which a cooling medium flows and configured to pass through the fuel cell while cooling the fuel cell with the cooling medium; a solid hydrogen storage provided on a downstream side of the fuel cell on the internal cooling line and configured to discharge the hydrogen through absorption of waste heat of the heated cooling medium and to supply the discharged hydrogen to the fuel cell; and a hydrogen supply line to connect the solid hydrogen storage and the fuel cell and to supply the discharged hydrogen. In particular, the internal cooling line is reconnected to the fuel cell after passing through the solid hydrogen storage and provides the cooled cooling medium to the fuel cell.

Abstract: A display device includes a bank including an opening exposing a surface of a base. The bank further includes side surfaces adjacent to an upper surface. The side surfaces slope downward from the upper surface toward an opening in an organic film pattern. A plurality of fine holes is formed on the upper surface and the side surfaces, the bank may also include a plurality of inner holes.

Abstract: An apparatus for estimating an anaerobic threshold may include a heart rate detector configured to detect a heart rate from a signal sensed from a user, and an anaerobic threshold estimator configured to estimate an anaerobic threshold of the user based on a change in the detected heart rate.

Abstract: The present invention relates to porous microparticles of a biodegradable polymer, and a polymer filler comprising the same.

Abstract: A compound of Chemical Formula 1, and an organic photoelectric device, an image sensor, and an electronic device including the same are disclosed: In Chemical Formula 1, the definition of each substituent is as described in the detailed description.

Abstract: Disclosed is a display apparatus and a method for manufacturing the same, wherein the display apparatus comprises a substrate, a light shielding layer and a signal line on the substrate, a buffer layer on the light shielding layer and the signal line, an active layer on the buffer layer, a gate insulating film on the active layer, a gate electrode on the gate insulating film, a protection layer on the gate electrode, a first electrode of a display device on the protection layer, and a connection electrode configured to connect the signal line and the active layer with each other, wherein the light shielding layer and the signal line are disposed on the same layer, and the connection electrode and the first electrode are formed of the same material.

Abstract: A nanoscale thin film structure and implementing method thereof, and, more specifically, a nanoscale thin film structure of which target structure is designed with quantized thickness, and a method to implement the nanoscale thin film structure by which the performance of the manufactured nanodevice can be implemented the same as the designed performance, thereby applicable to high sensitivity high performance electronic/optical sensor devices.

Abstract: Method for diagnosing a pneumatic control valve by using a positioner model includes: establishing relational expression for outputting valve stem displacement according to control pressure, the relational expression including parameters for the characteristics of a positioner, an actuator, and a valve, determining initial parameter value by adjusting the values of the parameters until the difference between a measured value for a normal operation of the pneumatic control valve and output value obtained by the relational expression is smaller than predetermined error limit, determining diagnostic parameter value by adjusting the values of the parameters until the difference between a measured value for a diagnostic operation of the pneumatic control valve and an output value obtained by the relational expression is smaller than a predetermined error limit, and comparing the initial parameter value and the diagnostic parameter value so as to determine whether the pneumatic control valve has abnormality.