Abstract: The present disclosure relates to a plurality of host materials, and an organic electroluminescent device comprising the same. By comprising a specific combination of compounds according to the present disclosure as a plurality of host materials, it is possible to provide an organic electroluminescent device having improved luminous efficiency, and/or lifetime properties compared to conventional organic electroluminescent devices.

Abstract: A display device includes a first substrate, on which first to third sub-pixel areas spaced apart from each other and a non-emission area corresponding to a boundary of the first to third sub-pixel areas are defined, a display element layer including a light emitting element disposed in each of the first to third sub-pixel areas on the first substrate, and a color-filter layer disposed on the display element layer. The color-filter layer includes a base layer, a first color filter disposed on the base layer and corresponding to the first sub-pixel area, a second color filter disposed on the base layer and corresponding to the second sub-pixel area, a first planarization layer covering the first color filter and the second color filter, a third color filter disposed on the first planarization layer and corresponding to the third sub-pixel area, and a second planarization layer covering the third color filter.

Abstract: The present disclosure relates to an organic electroluminescent device comprising a compound represented by formula 1, and can provide an organic electroluminescent device having a plurality of light-emitting layers, which is superior in driving voltage, luminous efficiency, external quantum efficiency, and/or color coordinate properties as compared to the conventional organic electroluminescent device.

Abstract: An olefin-based polymer and method of making the same is disclosed herein. In some embodiments, the olefin-based polymer has multiple crystallinity and satisfies the following: (1) two or more peaks in a temperature range of ?20° C. to 120° C. when measured by cross-fractionation chromatography (CFC), and T(90)?T(50)<8.0° C., (2) a soluble fraction (SF) of 1 wt % or less at ?20° C. in CFC, (3) 15° C.<elution temperature (Te)<50° C., and Te has a linear correlation with a density (d) of the polymer, and satisfies the following Equation 1, Te=1,220×d?A, wherein 1,031?A?1,039. The olefin-based polymer according to the present invention is an olefin-based polymer having relatively increased the ratio of high crystal regions, and exhibits excellent mechanical properties such as improved tensile strength, tear strength, and flexural modulus.

Abstract: According to an embodiment of the present disclosure, an apparatus for An apparatus for mapping an emergency call data manual, the apparatus comprising: an input unit that receives an emergency call in voice form; a preprocessing unit that converts the voice form into text data and preprocesses the text data to generate an emergency call data token; a keyword detection unit that detects main keywords using a manual and generates a mapping rule using the main keywords; a model generation unit that generates a model by training an artificial intelligence model using manual-mapped data; a manual mapping unit that generates a response manual for the text data by performing mapping based on the mapping rule and emergency call data token and mapping based on the model; and a display unit that displays the response manual.

Abstract: A method for manufacturing an evaporator for ice-making includes: a preparation step for preparing a plate member, a finger member, and a capillary tube, the plate member being provided with a through hole and formed as a developed view of a tube; an insertion step for inserting the finger member into the through hole so that the finger member at least partially passes through the through hole; a connection step for fixedly connecting the finger member to the plate member; an insert placement step for placing at least a part of the capillary tube on the plate member; and an evaporation tube formation step for forming an evaporation tube, which is provided with a refrigerant flow path through which a refrigerant flows, by bending the plate member into a tube shape and connecting end portions.

Abstract: A method of controlling a portable device including first and second touch screens is provided. The method includes displaying first information related to a first application on the first touch screen and displaying second information related to the first application on the second touch screen; receiving a first user input moving to the first touch screen on the second touch screen; and replacing the first information and the second information with a third information and a fourth information related to the first application on the first and second touch screens, in response to receiving the first user input, wherein each of the third information and the fourth information is displayed while being slidden from the second touch screen to the first touch screen and the third information is displayed over a boundary between the first and second screens during the sliding of the third and fourth information.

Abstract: A color conversion panel includes a substrate including first and second light emitting regions, banks partitioning the first and second light emitting regions, each bank among the banks including a bank light transmission layer, a metal layer on the bank light transmission layer and a transparent layer on the metal layer, a color conversion layer in the first light emitting region, and a light transmission layer in the second light emitting region. The bank light transmission layer and the light transmission layer are respective portions of a same material layer on the substrate.

Abstract: Disclosed are a system and a method for wired or wireless communications among a group of electronic communication devices such as user terminal devices used by a group of users in a communication network using a network server. The system and method are based on group communications using the network server which provides chat rooms. The system includes a representative electronic user terminal device operated by a representative user and at least one regular user terminal device operated by at least one regular user, which are configured to communicate with each other using the chat rooms.

Abstract: The present disclosure relates to a plurality of host materials, an organic electroluminescent compound, and an organic electroluminescent device comprising the same. By comprising the specific combination of the compounds according to the present disclosure as a plurality of host materials, or by comprising the compound according to the present disclosure, an organic electroluminescent device with low driving voltage and/or long lifespan characteristics can be provided, compared to a conventional organic electroluminescent device.

Abstract: The present invention relates to a prebiotic composition, a composition for improving gut microorganisms, a composition for improving gut health or gut function, a composition for alleviating, preventing, or treating inflammatory bowel disease or leaky gut syndrome, or a composition for alleviating, preventing, or treating obesity or metabolic disease, which each comprise a molokhia extract or a molokhia polymer fraction as an active ingredient to induce the proliferation of beneficial intestinal bacteria and to improve, prevent, or treat gut heath or gut function. In addition, the composition comprising a molokhia extract or a molokhia polymer fraction as an active ingredient can alleviate, prevent, or treat bowel disease or leaky gut syndrome.

Abstract: Disclosed is a condenser for a water purifier, comprising a pipe provided with a plurality of bending parts which are disposed so as to be vertically overlapping with one another, cooling wires provided on the upper and lower surfaces of the plurality of bending parts; and fixing members for fixing the cooling wires. The cooling wires that are provided on the surfaces, facing each other, of the plurality of bending parts are disposed so as to alternate with each other.

Abstract: The present invention relates to a method for manufacturing plant-based meat with artificial muscle fiber inserted therein. The method for manufacturing plant-based meat with artificial muscle fiber inserted therein, according to an embodiment of the present invention, comprises: a step of preparing an artificial muscle fiber composition by mixing alginic acid, carrageenan, and glucomannan in distilled water (S100); and a step of injecting the artificial muscle fiber composition into an inner nozzle of a 3D printer having double nozzles in which the inner nozzle is inserted inside an outer nozzle, injecting a vegetable protein composition into the outer nozzle, and then conducting 3D printing (S200).

Abstract: The present invention relates to a method for producing a spheroid including neurons and astrocytes, the method including: culturing induced pluripotent stem cell-neural progenitor cells (iPSC-NPCs) in an NPC medium; culturing the cultured cells in a neuronal differentiation medium (NDM); and culturing the cultured cells in a glial differentiation medium (GDM). The spheroid produced by the method according to the present invention contains mature neurons and astrocytes which express a desired marker after 3 weeks of in vitro culture and has a uniform size, and thus can be used for simple visual screening to confirm drug efficacy.

Abstract: The present invention relates to a polypropylene-based composite material having improved physical properties including impact strength at low temperature and at room temperature, flexural strength, flexural modulus, etc., and a method for preparing the same.

Abstract: The present invention provides a movable base for a collaborative robot for cooking, the movable base comprising: a housing part on which a collaborative robot may be installed; a display part selectively displaying a plurality of different colors; a wheel unit having at least one pair of wheels and provided on the bottom surface of the housing part; and a discharge hole unit having one or more through holes so as to discharge a liquid flowing into the housing part.

Abstract: An organic light emitting diode (OLED) and an organic light emitting device comprising the OLED (e.g., a display device or a lighting device) are described. The OLED can include a first blue emitting material layer including a first host, and a second blue emitting material layer including a second host, disposed between two electrodes. The OLED includes two blue emitting material layers so that an exciton recombination zone is distributed within the blue emitting material layers irrespective of current density or gradation. As the amount of non-emitting excitons accumulated outside of the emitting material layers is minimized, the driving voltage of the OLED can be lowered, and the luminous efficiency and the luminous lifespan of the OLED can be improved.

Abstract: An organic light emitting diode (OLED) and an organic light emitting device (e.g., a display device or a lighting device) thereof are described. The OLED comprises a first electrode, a second electrode, a first emitting part (including a first hole transporting layer (HTL) and a first emitting material layer (EML), positioned between the first and second electrodes); and a second emitting part (including a second EML and positioned between the first emitting part and the second electrode). The first EML is a blue EML, and the second EML includes at least one of a red EML and a blue EML. The first hole HTL includes a high refractive layer having a first refractive index, and a low refractive layer having a second refractive index, positioned between the high refractive layer and the first EML, where the second refractive index is smaller than the first refractive index.

Abstract: A cold water tank for a direct water purifier is provided.

Abstract: An organic light emitting diode (OLED) and an organic light emitting device comprising the OLED (e.g., a display device or a lighting device) are described. The OLED can include a blue emitting material layer including plural hosts with adjusted energy levels. A HOMO energy barrier between the at least one blue emitting material layer and at least one hole transport layer and/or electron blocking layer can be minimized. Holes generated at an anode or a P-type charge generation layer can be injected rapidly into the at least one blue emitting material layer without accumulating at an interface between the hole transport layer and/or the electron blocking layer, and the at least one blue emitting material layer. As the amount of non-emitting holes is minimized, the driving voltage of the OLED can be lowered, and the luminous efficiency and the luminous lifespan of the OLED can be improved.