Abstract: A novel compound for a capping layer, and an organic light-emitting device containing the same are disclosed.

Abstract: A novel compound for a capping layer, and an organic light-emitting device containing the same are disclosed.

Abstract: The present disclosure relates to a method of preparing an organic zinc catalyst through solid phase blending that does not require a solvent and a washing process, and a method of preparing a polyalkylene carbonate resin by using the organic zinc catalyst prepared thereby.

Abstract: Disclosed is a technique for switching from a master node to a secondary node in a communication system. A method of a first communication node may comprise: adding the first communication node as a primary secondary cell (PSCell) to a second communication node through dual connectivity (DC); generating a first user plane path for smart dynamic switching (SDS) and a first instance for supporting the first user plane path according to a request from the second communication node; transmitting information on the first user plane path and the first instance to a terminal; receiving user data based on the first user plane path from the terminal as the first instance; and transmitting the user data to a core network using the first user plane path.

Abstract: A display device includes: a backlight unit, a camera hole penetrating the backlight unit, a camera in the camera hole, a liquid crystal panel on the backlight unit, the liquid crystal panel including a transparent portion on the camera hole, and at least one light-blocking member in the camera hole, the at least one light-blocking member being configured to reduce one or more of: light leakage from the camera hole and introduction of impurities into the camera hole.

Abstract: A filter holder comprises: a plurality of filter frames disposed such that at least some thereof are adjacent to each other; and a folding member which supports filter frames, from among the plurality of filter frames, adjacent to each other so as to be rotatable with respect to each other. The folding member comprises: a folding part which has a predetermined thickness and is flexible so as to be foldable by means of rotation of the adjacent filter frames adjacent with respect to each other; and a plurality of edge parts which are connected to the respective sides of the folding part with the folding portion therebetween and rotate together with the adjacent filter frames, and wherein when viewed from a cross-section of the folding member, the edge parts may have a greater thickness than the folding part.

Abstract: There is provided a camera module including a plurality of ball bearings to support the driving of a lens barrel at the time of compensating for unintended camera movement due to disturbance such as hand shake. The lens barrel may be driven in first and second directions, independently, by one driving force exerted in the first direction perpendicular to an optical axis and by another driving force exerted in the second direction perpendicular to both the optical axis and the first direction, thereby preventing driving displacement from being generated at the time of compensating for unwanted motion such as hand shake while securing reliability against external impact, and having reduced power consumption at the time of compensating for the disturbance.

Abstract: A method of a terminal may comprise: receiving a first message including state information of a base station from the base station; identifying preliminary inactive state information included in the first message when the state information of the base station indicates a preliminary inactive state; and performing a cell selection based on the preliminary inactive state information.

Abstract: An air filter comprises: a first filter frame in which a plurality of first chambers are formed; a second filter frame in which a plurality of second chambers are formed and which is arranged at the rear of the first filter frame; and a filter material which is accommodated in the plurality of first chambers and the plurality of second chambers to filter air, wherein the first filter frame and the second filter frame are arranged so that, when seen from the front, the center of each of the plurality of second chambers is out of line with the center of each of the plurality of first chambers, in the vertical direction.

Abstract: A low profile flat bombe for Liquefied Petroleum Gas (LPG) storage and method for manufacturing the same, may include a flat bombe body including an upper plate having a plurality of first piercing holes and a pump installation hole formed therethrough, a lower plate having a plurality of second piercing holes formed therethrough at positions vertically coinciding with the plurality of first piercing holes, and side plates integrally connecting first and second side end portions of the upper and lower plates, end plates mounted at front and rear openings in the flat bombe body, and support pipes, wherein upper end portions of the support pipes are welded to internal circumferential portions of the plurality of first piercing holes and lower end portions thereof are welded to internal circumferential portions of the plurality of second piercing holes to maintain a vertical distance between the upper and lower plates.

Abstract: Provided is a sound output apparatus including: a housing having a housing space therein; a first sound output unit provided inside the housing; and a second sound output unit provided in the housing and spaced a predetermined distance from the first sound output unit.

Abstract: A terminal control device has a mode control module for switching an execution mode of a terminal. The terminal control device includes a main control module configured to control driving of the terminal, a receiver sensor installed in the terminal and configured to generate a voltage in response to an external force applied from the outside of the terminal, and a signal processing unit configured to analyze a voltage value generated in the receiver sensor, to process the voltage value into a signal for switching a mode of the terminal, and to transfer the mode switching signal to the main control module.

Abstract: Provided is a sound output apparatus including: a housing having a housing space therein; a first sound output unit provided inside the housing; and a second sound output unit provided in the housing and spaced a predetermined distance from the first sound output unit.

Abstract: A terminal control device has a mode control module for switching an execution mode of a terminal. The terminal control device includes a main control module configured to control driving of the terminal, a receiver sensor installed in the terminal and configured to generate a voltage in response to an external force applied from the outside of the terminal, and a signal processing unit configured to analyze a voltage value generated in the receiver sensor, to process the voltage value into a signal for switching a mode of the terminal, and to transfer the mode switching signal to the main control module.

Abstract: Provided are a complex device including a piezoelectric device, a wire patch cell (WPC) antenna disposed on one surface of the piezoelectric device, the WPC antenna being connected to two antenna patterns that are vertically spaced apart from each other, and a near field communication (NFC) antenna disposed outside the WPC antenna and an electronic device having the same.

Abstract: Provided is a sensor including an insulating layer, at least two heater patterns separated in one direction in the insulating layer and electrically connected to each other, at least two sensing electrode patterns insulated form the heater patterns, separated in the one direction in the insulating layer, and electrically connected to each other, and a sensing material, at least a part of which is buried in the insulating layer to contact the sensing electrode patterns.

Abstract: Provided is a piezoelectric device including at least two piezoelectric plates configured to include at two contact points, wherein the at least two piezoelectric plates include at least two resonant frequencies. The piezoelectric device in a wearable device operates as at least any one of a piezoelectric sound device and a piezoelectric vibration device.

Abstract: Provided is a piezoelectric device including a first piezoelectric plate, a vibration plate provided to contact one surface of the first piezoelectric plate, and at least one second piezoelectric plate provided to contact the vibration plate, wherein the first and second piezoelectric plates have different resonant frequencies.

Abstract: Provided is a piezoelectric device including a first piezoelectric plate, and at least one second piezoelectric plate configured to contact at least one area of the first piezoelectric plate, wherein the first and second piezoelectric plates have different resonant frequencies.

Abstract: Provided is a sensor including an insulating layer, at least two heater patterns separated in one direction in the insulating layer and electrically connected to each other, at least two sensing electrode patterns insulated form the heater patterns, separated in the one direction in the insulating layer, and electrically connected to each other, and a sensing material, at least a part of which is buried in the insulating layer to contact the sensing electrode patterns.