Abstract: A vent valve for a closed tank, the vent valve being provided in an upper surface of the closed tank storing liquid, may include an upper housing provided with an upper air hole disposed outside the closed tank; a lower housing provided with a lower air hole disposed inside the closed tank; and a valve core provided in a housing space area surrounded by the upper housing and the lower housing and providing a ventilation path through which only gas passes between the upper air hole and the lower air hole.

Abstract: Provided is a compound of Formula 1: wherein: Y is NR, CRxRy, O, or S; R, Rx, Ry, A1 and A2 are each independently hydrogen, deuterium, or a substituted or unsubstituted: alkyl, cycloalkyl, aryl, silyl, heteroaryl, alkoxy, aryloxy, aralkyl, alkenyl, or alkynyl group, or are bonded to an adjacent group to form a substituted or unsubstituted ring; R1 to R3 are each independently hydrogen, deuterium, or a substituted or unsubstituted: alkyl, cycloalkyl, aryl, silyl, heteroaryl, alkoxy, aryloxy, aralkyl, amine, alkenyl, or alkynyl group, or are bonded to an adjacent group to form a substituted or unsubstituted ring; R3 is optionally bonded to Y to form a substituted or unsubstituted ring, a and b are each an integer from 0 to 3; and c is an integer from 0 to 4, and an organic light emitting device including the same.

Abstract: The present invention relates to a plant regeneration medium composition and a plant regeneration method using same. More specifically, the present invention relates to a plant regeneration medium composition using a medium composition containing Shungite as an active ingredient to increase the rates of shoot organogenesis and root organogenesis, thereby shortening the time required for organogenesis using a plant explant and improving the efficiency of ontogeny, and to a plant regeneration method using same.

Abstract: An acoustic wave resonator includes a resonating part disposed on and spaced apart from a substrate by a cavity, the resonating part including a membrane layer, a first electrode, a piezoelectric layer, and a second electrode that are sequentially stacked. 0 ???Mg?170 ? may be satisfied, ?Mg being a difference between a maximum thickness and a minimum thickness of the membrane layer disposed in the cavity.

Abstract: A method performed by a computing device for controlling a P2P connection according to an embodiment of the present disclosure includes obtaining network information of a current path for transmitting and receiving data, calculating requested data quality of the current path by using the network information, and changing a network path to an alternative path by using previously stored data quality history information of the alternative path when a difference between a predetermined highest data quality and the requested data quality of the current path is equal to or greater than a reference value.

Abstract: A speech signal processing method of a user terminal includes: receiving a speech signal, detecting a personalized information section including personal information in the speech signal, performing data processing on the personalized information section of the speech signal by using a personalized model generated based on the personal information, and receiving, from a server, a result of the data processing performed by the server on a general information section of the speech signal that is different than the personalized information section of the speech signal.

Abstract: A bulk acoustic wave resonator includes a substrate, a first electrode, wherein a cavity is formed between the substrate and the first electrode, a piezoelectric layer disposed on the first electrode and overlapping at least a portion of the first electrode, a second electrode disposed on the piezoelectric layer and overlapping at least a portion of the piezoelectric layer, a passivation layer having at least a portion disposed on the second electrode and overlapping at least a portion of the second electrode, and a lower frame spaced apart from the substrate and having a portion of the cavity disposed therebetween. Any one of the second electrode and the passivation layer includes a protruding portion having a first thickness and an extended portion having a second thickness less than the first thickness, and an inner end of the lower frame and an end of the protruding portion are spaced apart horizontally.

Abstract: The present specification relates to a compound of Chemical Formula 1 and an organic electronic device comprising the same.

Abstract: The present disclosure relates to a power interface, and more particularly, to a power interface for electrically connecting an object to be tested and a test driving unit. The electric power interface in accordance with an exemplary embodiment includes: a support member; an elastic member fixed to the support member and configured to provide an elastic force in a vertical direction; a first connection terminal disposed on the elastic member; a second connection terminal electrically connected to the first connection terminal; and a flexible sheet has one side fixed to the elastic member and the other side fixed to the support member to restrict a deformation range of the elastic member.

Abstract: A display device includes a lower substrate including first and second pixel areas and a light shielding area surrounding the first and second pixel areas, a light emitting structure disposed on the lower substrate, an upper substrate disposed on the light emitting structure, a first color conversion layer disposed in the first pixel area on a bottom surface of the upper substrate, a second color conversion layer disposed in the second pixel area on the bottom surface of the upper substrate, first to third light shielding patterns disposed in the light shielding area on the bottom surface of the upper substrate, a groove defined on a bottom surface of at least one selected from the first to third light shielding patterns, and a spacer disposed in the groove.

Abstract: A bulk-acoustic wave resonator includes: a substrate; a first electrode disposed on the substrate; a cavity disposed between the substrate and the first electrode; a piezoelectric layer covering at least a portion of the first electrode; a second electrode covering at least a portion of the piezoelectric layer; an insertion layer disposed between the first electrode and the piezoelectric layer; and a lower frame disposed in the cavity. At least a portion of the lower frame overlaps the insertion layer.

Abstract: A method according to an aspect of the disclosure is performed by a computing device and includes rendering a video frame, displaying an object generated by user manipulation on the rendered video frame, calculating a relative position of the object with respect to a reference point of the video frame, and transmitting object information generated based on the relative position of the object. According to the method, even if the streaming screen continuously changes when streaming video between remote terminals, the shared 3D object can be placed at an accurate position, and objective position information of the shared 3D object can be provided regardless of the surrounding environment or situation.

Abstract: A color conversion panel includes a first color filter and a second color filter that are disposed on a substrate, a low refractive index layer disposed on the substrate, the first color filter, and the second color filter, the low refractive index layer including at least one of a first blue pigment and a first blue dye, a first color conversion layer overlapping the first color filter and including a semiconductor nanocrystal, a second color conversion layer overlapping the second color filter and including a semiconductor nanocrystal, and a transmissive layer that overlaps the low refractive index layer.

Abstract: A bulk acoustic wave resonator includes: a substrate; a first electrode disposed above the substrate; a piezoelectric layer disposed above at least a portion of the first electrode; and a second electrode disposed above at least a portion of the piezoelectric layer. A first gap is formed between the piezoelectric layer and one of the first and second electrodes. The first gap includes a first inner gap disposed in an active area of the bulk acoustic wave resonator, and having a first spacing distance between the piezoelectric layer and the one of the first and second electrodes, and a first outer gap disposed outwardly of the active area and having a second spacing distance, different than the first spacing distance, between the piezoelectric layer and the one of the first and second electrodes.

Abstract: The present invention relates to a novel heterocyclic compound and an organic light emitting device comprising the same.

Abstract: An improved EMS (Energy Management System) of ESS (Energy Storage System)—connected photovoltaic power system is provided, where the economic efficiency of the microgrid power transaction is maximized by minimizing the amount paid to the power system as a result of optimal operation as to the energy supply and demand in the process of transacting power surplus/shortage with the power system, the responsiveness to passive resource energy forecasting of supply and demand is improved by resolving the uncertainty of solar power generation forecasting and load forecasting, the deterioration of the available storage capacity of ESS is minimized, and contribution to solving the nation's power supply shortage is made by the operation based on the detailed identification of energy storage status of ESS.

Abstract: Disclosed are a switching atomic transistor with a diffusion barrier layer and a method of operating the same. By introducing a diffusion barrier layer in an intermediate layer having a resistance change characteristic, it is possible to minimize variation in the entire number of ions in the intermediate layer involved in operation of the switching atomic transistor or to eliminate the variation to maintain stable operation of the switching atomic transistor. In addition, it is possible to stably implement a multi-level cell of a switching atomic transistor capable of storing more information without increasing the number of memory cells. Also, disclosed are a vertical atomic transistor with a diffusion barrier layer and a method of operating the same. By producing an ion channel layer in a vertical structure, it is possible to significantly increase transistor integration.

Abstract: A bulk acoustic resonator includes: a substrate including an upper surface on which a substrate protection layer is disposed; and a membrane layer forming a cavity together with the substrate, wherein a thickness deviation of either one or both of the substrate protection layer and the membrane layer is 170 ? or less.

Abstract: A diesel exhaust fluid (DEF) cap assembly for a vehicle includes: a body having a first opening and a second opening arranged at an opposite side of the first opening, the second opening configured to be opened and closed; a flange portion protruding radially outward between the first opening and the second opening of the body, and having a plurality of through holes and a flange gasket configured to be sealably coupled to a mounting subject on which the flange portion is mounted; and a membrane member coupled to the flange portion, and configured to cover the plurality through holes and allow air flow.

Abstract: The present disclosure provides an organic light emitting device having improved driving voltage, efficiency and life time.