Abstract: Disclosed are a separator for fuel cells capable of minimizing the volume of a system and the use of sealants, and a stack for fuel cells, more particularly, a stack for solid oxide fuel cells, including the same. Specifically, by adding a metal sheet having a specific shape, position and size to the separator, the stress applied to the sealant can be uniformized, and thus the oxidizing agent and fuel can be separated and electrically isolated using only a piece of sealant. Therefore, the stack for fuel cells is characterized in that there is no variation in temperature, reactant concentration, power, or the like between respective unit cells, so delamination and microcracks do not occur, the volume is minimized, and the power density per unit volume is very high.

Abstract: According to an embodiment of the present invention, there is provided method for preparing low-loss hydrogenated amorphous silicon nitride that is transparent in visible light comprising: a step in which a substrate is provided; a step in which a Plasma Enhanced Chemical Vapor Deposition (PECVD) which is used to insert H2 gas and SiH4 gas into a chamber is used to deposit a dielectric layer 200 onto the substrate, and gases inserted into the chamber further comprise N2 gas apart from the H2 gas and the SiH4 gas. Further, there is provided a method for preparing low-loss hydrogenated amorphous silicon oxide that is transparent in visible light further comprising O2 gas apart from the H2 gas and the SiH4 gas. Further, there is provided a method for preparing low-loss hydrogenated amorphous silicon that is transparent in visible light further comprising Ar gas apart from the H2 gas and the SiH4 gas.

Abstract: A semiconductor device includes a first pad defined on one surface of a first chip; a second pad defined on one surface of a second chip which is stacked on the first chip, and bonded to the first pad; a first resistor element defined in the first chip, and coupled to the first pad; and a second resistor element defined in the second chip, and coupled to the second pad.

Abstract: Disclosed is a vehicle battery case including: a case body in which a vehicle battery is contained; and a side portion extending in a longitudinal direction of a vehicle and coupled to a side of the case body, thereby protecting a side of the vehicle battery. The side portion includes: a lower panel extending outwards from the case body and having multiple first protrusions formed to protrude upwards; an upper panel disposed above the lower panel and extending outwards from the case body so as to form a closed section together with the lower panel; and a reinforcement panel disposed between the upper panel and the lower panel so as to extend outwards from the case body, thereby reinforcing rigidity of the side portion together with the lower panel and the upper panel.

Abstract: An apparatus of tilting a seat cushion of a vehicle, includes a tilting motor, a pinion gear, a sector gear, and a tilting link which perform the tilting operation of the seat cushion and exert a binding force in a tilted state of the seat cushion and are provided to be connected to both of one side and the other side of a seat cushion frame, and has two sector gears positioned on left and right sides and connected to each other by a connection bar so that, by strengthening a binding force of the front portion of the seat cushion, it is possible to secure the safety of passengers in the event of a collision.

Abstract: A light emitting device includes: a first electrode and a second electrode facing each other, an emissive layer disposed between the first electrode and the second electrode and including a quantum dot, an electron auxiliary layer disposed between the emissive layer and the second electrode and including a plurality of nanoparticles, and a polymer layer between a portion of the second electrode and the electron auxiliary layer, wherein the nanoparticles include a metal oxide including zinc, wherein the second electrode has a first surface facing a surface of the electron auxiliary layer and a second surface opposite to the first surface, and the polymer layer is disposed on a portion of the second surface and a portion of the surface of the electron auxiliary layer, and wherein the polymer layer includes a polymerization product of a thiol compound and an unsaturated compound having at least two carbon-carbon unsaturated bonds.

Abstract: Provide are a compound capable of improving the light-emitting efficiency, stability, and lifespan of an element, an organic electronic element using same, and an electronic device thereof.

Abstract: A quantum dot light-emitting device including first electrode and a second electrode, a quantum dot layer between the first electrode and the second electrode, a first electron transport layer and a second electron layer disposed between the quantum dot layer and the second electrode. The second electron transport layer is disposed between the quantum dot layer and the first electron transport layer, wherein each of the first electron transport layer and the second electron transport layer includes an inorganic material. A lowest unoccupied molecular orbital energy level of the second electron transport layer is shallower than a lowest unoccupied molecular orbital energy level of the first electron transport layer, and a lowest unoccupied molecular orbital energy level of the quantum dot layer is shallower than a lowest unoccupied molecular orbital energy level of the second electron transport layer. An electronic device including the quantum dot light-emitting device.

Abstract: Provided is a duct docking device for a ventilation seat of a vehicle. The duct docking device enables air to be easily blown to a seatback and a seat cushion with a passenger in a seat using only one blower by enabling a seatback duct mounted at the seatback and a seat cushion duct mounted at the seat cushion to be hermetically docked through a connector duct, etc. at an unfolded position of the seatback in which a passenger can sit, and by enabling the seatback duct mounted at the seatback and the seat cushion duct mounted at the seat cushion to be separated from each other at a folded position of the seatback in consideration of that there is no passenger in the seat.

Abstract: A dielectric ceramic composition for multi-layer ceramic capacitor for use in extreme environments is formed by mixing a main compos it ion and a composite oxide for low-temperature sintering, where the main composition includes 96.0 to 99.0 wt. % of BaTiO3 and 1.0 to 4.0 wt. % of Nb2O5 and Co3O4 as an additive. The main composition is formed by per forming a heat treatment for synthesis to form a core-shell structure having the BaTiO3 as a core and the Nb2O5 and Co3O4 covering the sur face of the BaTiO3. The composite oxide for low-temperature sintering is at least one selected from BaV2O6, Ba3V4O13 and Ba4V2O9.

Abstract: A system and method for laser assisted bonding of semiconductor die. As non-limiting examples, various aspects of this disclosure provide systems and methods that enhance or control laser irradiation of a semiconductor die, for example spatially and/or temporally, to improve bonding of the semiconductor die to a substrate.

Abstract: The present invention may provide a respiration adjustment device and a respiration measurement mouthpiece assembly including same, the device comprising: a body part in which an inlet part through which air exhaled by breathing of a user is introduced, an outlet part through which air is discharged and which is coupled to a mouthpiece, and an internal flow path are formed; and a pressure regulator provided in the internal flow path and adjusting the pressure of air through the manipulation of the user. According to the description above, a user can adjust respiratory pressure by himself or herself according to the user's health condition and thus perform a breathing exercise suitable for each individual user. Therefore, the present invention can increase an effect of the breathing exercise.

Abstract: An optical gene biosensor is disclosed. The optical gene biosensor includes a substrate; a molecular beacon anchored to the substrate, wherein the molecular beacon includes an oligonucleotide specifically binding to a target nucleic acid molecule and a first compound bound to a first terminal of the oligonucleotide; an optical marker specifically binding to the first compound, wherein the optical marker is configured to retro-reflect irradiated light; a light source for irradiating the optical marker with light; and a light-receiver for receiving light retro-reflected from the optical marker. The optical gene biosensor may perform accurate quantitative analysis of a target nucleic acid molecule using both non-spectral and spectral light sources.

Abstract: The present invention relates to a phosphine precursor for the preparation of a quantum dot, and a quantum dot prepared therefrom. Using the phosphine precursor for the preparation of a quantum dot of the present invention, a quantum dot with improved luminous efficiency and higher luminous color purity can be provided.

Abstract: An air conditioner includes a housing having a suction port and a discharge port, a main fan configured to draw air into the housing through the suction port and discharge air from the housing through the discharge port, an auxiliary fan configured to draw, into the housing, air discharged by the main fan and a controller configured to control a rotational speed of the auxiliary fan to change a direction in which air is discharged from the housing.

Abstract: An optical phased array (OPA) radiator includes a plurality of unit radiators configured to serve as optical waveguides, each of the unit radiators being made of a silicon material and each having a predetermined length, where the unit radiators are disposed in parallel; a cladding portion configured to cover the plurality of unit radiators; and a plurality of electrodes arranged in parallel with the plurality of unit radiators on the cladding portion, where the plurality of electrodes are arranged so as not to overlap the plurality of unit radiators in a vertical direction. A beam radiated through the unit radiators using a phased array can be efficiently vertically steered.

Abstract: A buck-boost converter includes a first switch connected between an input terminal that receives an input voltage and a first terminal of an inductor, a second switch connected between the first terminal of the inductor and an output terminal that outputs an output voltage, a third switch connected between a second terminal of the inductor and a ground terminal, and a fourth switch connected between the second terminal of the inductor and an inverting input terminal that receives an inverted input voltage obtained by inverting the input voltage.

Abstract: A circuit board including a contact terminal on a side thereof, a method of fabricating the circuit board, and an electronic device including the circuit board are provided. The circuit board includes: a base layer; a wiring layer formed on the base layer; and a terminal section formed at a level corresponding to the wiring layer, on a first surface and a side surface of one end portion of the base layer.

Abstract: A remote consulting service system includes: a banking host server; a consultant terminal including an application processor (AP) accessible to the banking host server and a video connection unit for performing video connection with a digital desk apparatus; the digital desk apparatus that performs video connection with the consultant terminal, and that when receiving a data input request from the consultant terminal, displays a screen related to the data input request; and a digital desk server that when receiving a consultation request of a customer from the digital desk apparatus, requests a plurality of consultant terminals on standby to accept consultation based on the customer's consultation request, and that receives consultation acceptance information from the consultant terminal among the plurality of consultant terminals.

Abstract: The present disclosure relates to a cleaning liquid composition and a cleaning method using the same. A polishing slurry composition according to an embodiment of the present disclosure includes: a chelating agent containing an organic salt; and an anionic surfactant.