Abstract: An organic light emitting device comprising an anode; a cathode; and a light emitting layer between the anode and the cathode, the light emitting layer including a compound represented by the following Chemical Formula 1 and a compound represented by the following Chemical Formula 2, is provided.

Abstract: An example method is performed by one or more processors of a gateway computing system. The method includes receiving, from a user computing system, a request to access a software application hosted on a server with which the gateway computing system is in communication. The method also includes in response to receiving the request, communicating with the user computing system to obtain a credential for the software application issued to a user of the user computing system. The method also includes comparing the credential to credential data stored on a distributed ledger to determine whether the credential meets a set of conditions. The method also includes in response to determining that the credential meets the set of conditions, establishing an authorized session between the user computing system and the server such that communication between the user computing system and the server passes through the gateway computing system.

Abstract: A light emitting display device includes: a substrate; an organic film on the substrate; a green light emitting diode on the organic film and including a first anode; a red light emitting diode on the organic film and including a second anode; a black pixel defining film having an opening exposing the first anode and an opening exposing the second anode; a cathode on the black pixel defining film, the first anode, and the second anode; an encapsulation layer covering the cathode; a light blocking member on the encapsulation layer and having an opening; and a color filter filling the opening in the light blocking member. A portion of the organic film overlapping the first anode in a plan view has a halftone exposure area, and a step of the halftone exposure area is 30 nm or less.

Abstract: A three-dimensional semiconductor device includes a stacked structure including a plurality of conductive layers stacked on a substrate, a distance along a first direction between sidewalls of an upper conductive layer and a lower conductive layer being smaller than a distance along a second direction between sidewalls of the upper conductive layer and the lower conductive layer, the first and second directions crossing each other and defining a plane parallel to a surface supporting the substrate, and vertical channel structures penetrating the stacked structure.

Abstract: An organic light emitting device comprising an anode, a cathode, and a light emitting layer between the anode and the cathode, the light emitting layer including a compound represented by Chemical Formula 1 and a compound represented by Chemical Formula 2, is provided.

Abstract: A display device, includes: a display area including an upper side, a lower side, a left side, a right side, and inclined corner portions where the upper, lower, left, and right sides meet; a demultiplexing circuit unit adjacent to the lower side of the display area and the corner portion connected thereto; and a scan transmission line which extends toward the display area from an outer side of the left side and overlaps with the demultiplexing circuit unit outside the corner portion, wherein the demultiplexing circuit unit includes a demultiplexer transistor, and the scan transmission line is formed of a different conductive layer from an electrode of a demultiplexer transistor.

Abstract: Provided is a filter for an oil control robot, wherein the filter installed in the oil control robot to filter oil and the filter is formed of hydrophilic nanofibers that absorb water and oil, discharge water, and filter oil.

Abstract: Disclosed is a method of producing lithium sulfide (Li2S) without using hydrogen sulfide (H2S) gas. Particularly, the method of producing lithium sulfide (Li2S) includes preparing a starting material including a metal oxide by subjecting a mixed powder including an inorganic compound containing lithium and oxygen, a metal reducing agent, and sulfur (S) to synthesis reaction using mechanical force, preparing a mixed solution by mixing the starting material and a solvent, and obtaining a lithium sulfide (Li2S) powder by removing the metal oxide from the mixed solution and then performing drying.

Abstract: A display device includes a substrate including a display area including a plurality of pixels, a peripheral area around the display area, and a bending area disposed in the peripheral area. A plurality of transistors is disposed in each pixel; a driving voltage line is disposed in the display area and transmits a driving voltage; a driving voltage transmission line is disposed in the peripheral area and is connected to the driving voltage line; and a conductive overlap layer overlaps at least one of the plurality of transistors.

Abstract: The base station according to an embodiment communicates with one or more user terminals through one or more reconfigurable intelligent surfaces(RISs). The base station includes a communicator that performs communication with at least one of the one or more user terminals and the one or more reconfigurable intelligent surfaces, and a controller connected to the communicator, and the controller may determine a matching state of the one or more user terminals and the one or more reconfigurable intelligent surfaces that maximizes a sum of data rates for the one or more user terminals connected through the communicator, on/off states of one or more reflective elements included in the one or more reconfigurable intelligent surfaces, total power consumption, and a phase value of the one or more reflective elements included in the one or more reconfigurable intelligent surfaces.

Abstract: The present disclosure relates to a sleeve gastrectomy aid device including: a guide configured to be inserted into a stomach of a patient; an expander configured to be disposed outside the guide and have a volume that changes according to an amount of air therein; a first measurer configured to measure a pressure applied to the expander and have a shape that changes in accordance with a change in the volume of the expander; and a monitor configured to be connected to the first measurer and provide resection position information through a value of the pressure measured by the first measurer.

Abstract: An electronic device may include: a first temperature sensor configured to measure a first temperature when an object comes into contact with a contact surface of a main body of the electronic device; a second temperature sensor spaced apart from the first temperature sensor in a direction opposite the contact surface and configured to measure a second temperature; and a processor configured to detect a temperature change due to heat generation inside the main body, and estimate skin surface temperature based on the first temperature, the second temperature, and the temperature change.

Abstract: In an embodiment a power supply system includes a low voltage DC/DC converter (LDC) configured to convert a high voltage into a low voltage, a main battery configured to be charged by the LDC and to supply power to a junction block divided into an essential load part and a general load part, a control block comprising a first power switch configured to control power between the LDC and the junction block, a second power switch configured to control the power between the main battery and the junction block, and a load switch configured to selectively cut off the power to the general load part and an auxiliary battery configured to selectively supply power to an auxiliary junction block.

Abstract: Disclosed herein are an apparatus and method for transmitting a covert message in wireless communication. The apparatus for transmitting a covert message in wireless communication may be configured to, in a covert message in which a data frame is composed of a Start Frame Delimiter (SFD), a header, a payload, and a Cyclic Redundancy Check (CRC), transmit the SFD of the covert message corresponding to a first sequence number masked with a preset SFD mask length, transmit the header of the covert message corresponding to a second sequence number masked with a preset header mask length, transmit the payload of the covert message corresponding to a third sequence number masked with a preset payload mask length, and transmit the CRC of the covert message corresponding to a fourth sequence number masked with a preset CRC mask length.

Abstract: There is provided a system for intelligent industrial safety monitoring. The system includes a global monitoring unit configured to generate first monitoring information by globally monitoring a work area of an industrial site, a local monitoring unit attached to a work object at work within the work area and configured to generate second monitoring information by monitoring a surrounding area of the work object, a communication unit configured to transmit and receive data to and from the global monitoring unit and the local monitoring unit, and a first controller configured to generate information on a location of the work object based on the first monitoring information and track a moving path of the work object and at least one second controller configured to predict an at-risk object that has approached within a predetermined distance of the work object based on the second monitoring information.

Abstract: Disclosed is an occluding stent. The occluding stent includes a distal flange occluding body, a proximal flange occluding body, and a connection portion. External surfaces of the distal flange occluding body and the proximal flange occluding body are both provided with a coating. An external surface of the connection portion is wholly or partially provided with a coating. A first occluding coating is provided between the distal flange occluding body and an inner cavity of the connection portion. The present application overcomes the defect that the existing occluder device for closure of an esophagobronchial fistula is harmful to surrounding tissues, makes the device retractable, enhances the safety of the device, and improves life and treatment of patients. A new safe and effective treatment method for an esophagobronchial fistula is provided.

Abstract: The present invention relates to an integrated cooling module applied to a vehicle cooling system, and more particularly, to an integrated cooling module in which components are integrated with a manifold to eliminate a hose or pipe and reduce a size and weight of the entire cooling system, and the manifold is elongated in a gravitational direction to advantageously store a coolant therein and intensively mount the components, and an internal heat exchanger is provided in the manifold to maximize spatial efficiency.

Abstract: The present invention relates to a two-stage foot support device, which is located in front of a chair under a desk or various tables, to allow a user to place a foot or calf on the device and work or take a rest with a comfortable posture, and the device comprises: a lower footboard support means having a lower footboard which is fixed thereto and on which the user's foot is placed; and an upper footboard support means positioned above the lower footboard support means and having an upper footboard which is fixed thereto and on which the user's foot or calf is placed, wherein the upper and the lower footboard are installed to be rotatable from the upper and the lower footboard support means, respectively, so that the upper and the lower footboard can be selectively folded or unfolded for use.

Abstract: The present invention provides an optical film comprising a light-transmitting substrate and a buffer layer, and having the maximum restoration length of 40-100 mm, and a display device comprising such an optical film.

Abstract: An apparatus and a method for predicting a speed of a vehicle. The apparatus includes storage that stores past driving information of the vehicle. The apparatus also includes a controller that extracts feature information about a current state of the vehicle from the past driving information of the vehicle. The controller also generates a query corresponding to each target time point based on the feature information. The controller also determines forward information corresponding to each target time point by using each query. The controller also predicts the speed of the vehicle at each target time point based on the query corresponding to each target time point and the forward information corresponding to each target time point.