Abstract: Disclosed is a frequency-division duplexing (FDD) type antenna device for implementing spatial-polarization separation of beams using a quad-polarized antenna module array. There is provided an antenna device including first radiating elements, second radiating elements, third radiating elements, and fourth radiating elements, a filter unit including first, second, third, and fourth filters that filter signals of first, second, third, and fourth signal paths, respectively, and a phase setting module configured to set phases of the filtered signals so that a first beam and a second beam radiated through the first and second radiating elements and the third and fourth radiating elements, respectively, are separated in space, wherein the first beam and the second beam have different polarization directions.

Abstract: The present invention relates to an optical property storage device and a system using the same. The device according to an exemplary embodiment of the present invention comprises: a light transistor in which the conductance between a source electrode and a drain electrode changes in accordance with optical properties of color temperature and illumination of incident light; and a variable resistance memory device of a second terminal in which a first electrode is electrically connected to any one electrode from among the source and drain electrodes of the light transistor, and which stores a conductance changing in accordance with the changed conductance of the light transistor.

Abstract: The present invention relates to a novel polycyclic compound employed in an organic layer of an organoelectro luminescent device, wherein the organoelectro luminescent device employing the compound according to the present invention has remarkably improved luminous efficiency and a long lifespan. According to the present invention, it is possible to implement a highly efficient and long-life organoelectro luminescent device that can be effectively applied to various display devices.

Abstract: The present invention relates to an antenna board assembly and an antenna apparatus including same. In particular, the antenna apparatus comprises an antenna board assembly including: a reflecting panel which is provided to reflect forward antenna beams radiated from a plurality of array antenna elements provided in front; a rear panel which is stacked and coupled to the rear surface of the reflecting panel and composed of a non-conductive material; and a front panel which is stacked and coupled to the front surface of the reflecting panel and composed of a non-conductive material, wherein the rear panel and the front panel are formed as a single body through dual injection molding so as to be stacked and coupled with respect to the reflecting panel. Therefore, the present invention provides the advantage of making it possible to improve system performance through the reduction of insertion loss.

Abstract: According to one embodiment of the present disclosure, an antenna device comprising: a plate; a first dielectric plate coupled to one surface of the plate; a plurality of radiation elements arranged along a first direction on the first dielectric plate; and a plurality of first feed lines configured to supply power to the plurality of radiation elements and having an air-strip line structure, wherein the first dielectric plate includes a first groove penetrating upper and lower surfaces of the first dielectric plate and configured to allow the first feed line to float therein, and the first feed line is configured to float in the first groove.

Abstract: Disclosed is a synaptic transistor, including a substrate, an expansion gate electrode disposed to extend in one direction on the substrate, a gate insulating layer including ions, covering the expansion gate electrode, and disposed on the substrate, a channel layer disposed on the gate insulating layer to correspond to one end of the expansion gate electrode, source and drain electrodes spaced apart from each other, covering both ends of the channel layer, and disposed on the gate insulating layer, and a pad electrode disposed on the gate insulating layer to correspond to the other end of the expansion gate electrode.

Abstract: The present invention relates to a full analog phase shifter and an antenna apparatus including same, and more particularly, comprises: a variable switch panel including a first conductive pattern terminal and a second conductive pattern terminal; and an antenna element substrate on which a plurality of array antenna elements are arranged and a transmission line being in contact with the first conductive pattern terminal and the second conductive pattern terminal is pattern-printed, wherein, due to a phase shift caused by contact points of the transmission line with respect to the first conductive pattern terminal and the second conductive pattern terminal, phases of the plurality of antenna elements are linearly array distributed on a same reference phase plane, thereby providing an advantage of easily implementing a mirror symmetry structure having a linear phase distribution only by a phase shift in an RF stage without phase conversion in a digital stage.

Abstract: In a method for estimating nanoparticles in a solution, a laser-induced plasma is generated by making a pulsed laser beam incident on inside a cell containing a solution, feedback signals is acquired based on light, shock wave and sound generated by the laser-induced plasma, the feedback signals, an intensity of the laser incident on the cell, and intensities of each laser passing through the cell for each laser pulse are acquired, the feedback signals acquired for each laser pulse, the intensity of the laser, and the intensities of the lasers passing through the cell into a pre-trained nanoparticle estimation model is input to estimate sizes or types of unknown nanoparticles included in the solution.

Abstract: A method of displaying an application is provided. The method includes displaying an execution screen of a first application on a first area when the first application is executed, displaying the execution screen of the first application on a second area instead of on the first area when a second application is executed while the first application is executed, and displaying an execution screen of a second application on the first area.

Abstract: The present disclosure relates to a system and a method for discharging carbon monoxide (CO) by using a CO leakage alarm device and, more specifically, to a system and a method for discharging CO by using a CO leakage alarm device, the system and the method being operated on the basis of the Internet of things (IoT) so as to: detect CO leakage caused by damage to a boiler flue and sound an alarm through at least two from among the CO leakage alarm device, a boiler controller, a wall pad, and the like, automatically perform boiler ventilation and indoor air ventilation when the leakage is determined; and directly notify CO leakage-related authorities and users about the CO leakage.

Abstract: Disclosed are a polycyclic compound with a specific fused ring structure and an organic light emitting device including a light emitting layer that employs the polycyclic compound. The use of the polycyclic compound ensures significantly long lifetime and improved luminous efficiency of the device.

Abstract: The present invention relates to a novel polycyclic compound employed by an organic layer of an organic light-emitting device, and an organic light-emitting device employing the compound according to the present invention has markedly improved luminous efficiency. According to the present invention, it is possible to achieve a highly efficient organic light-emitting device which can be effectively applied to a variety of display devices.

Abstract: A display device includes a first electrode group including a plurality of electrodes, a second electrode group spaced apart from the first electrode group in the first direction and including a plurality of electrodes, light-emitting elements disposed on the electrodes spaced apart from one another in the second direction and having a shape extended in the second direction, and connection electrodes. The connection electrodes includes a first connection electrode, a second connection electrode, a third connection electrode, a fourth connection electrode, and the fifth connection electrode, the first connection electrode is spaced apart from a part of the fourth connection electrode disposed on the second electrode group in the first direction, and the second connection electrode is spaced apart from another part of the fourth connection electrode disposed on the first electrode group in the first direction.

Abstract: A shift-by-wire transmission system includes a gear shifting operation portion provided at an end portion of a body and configured to shift a gear, a housing provided inside the body, a haptic element provided in contact with the housing and configured to generate a vibration when the gear is shifted to a predetermined gear shifting stage to transmit the vibration to the housing, and a groove member coupled to the gear shifting operation portion and configured to operate in conjunction with a gear shifting operation of the gear shifting operation portion and transmit the vibration of the haptic element, which is transmitted to the housing, to the gear shifting operation portion by constantly maintaining a state in contact with the housing.

Abstract: A shift-by-wire transmission system includes a body provided with a sensor therein; an operation portion assembly in which a magnet is provided within a detecting range of the sensor, wherein a gear shifting operation portion is rotated about an axis of the body so that the magnet is rotated with the gear shifting operation portion, and the gear shifting operation portion is moved in an axial direction of the body so that the magnet is linearly moved together with the gear shifting operation portion; and a controller configured to detect a variation in magnetic force of the magnet detected by the sensor according to a rotational displacement and a movement displacement of the magnet and detect a gear shifting signal corresponding to a gear shifting operation of the gear shifting operation portion.

Abstract: An organic light emitting diode display includes a substrate, a semiconductor layer on the substrate, the semiconductor layer including a doped area and an undoped area, a first insulation layer that covers the semiconductor layer, a first conductor on the first insulation layer, a second insulation layer that covers the first conductor, a second conductor on the second insulation layer, a third insulation layer that covers the second conductor, and a third conductor on the third insulation layer, wherein, in the semiconductor layer that overlaps the first conductor, the doped area is between undoped areas.

Abstract: A scan driver includes: a first transistor having a first electrode coupled to an output scan line, a second electrode coupled to a first power line, and a gate electrode coupled to a first node; a second transistor having a first electrode coupled to a first clock line, a second electrode coupled to the output scan line, and a gate electrode coupled to a second node; a third transistor having a first electrode coupled to the first node, a second electrode coupled to a first input scan line, and a gate electrode coupled to a second clock line; and a fourth transistor having a first electrode coupled to the second node and a second electrode and a gate electrode, which are coupled to a second input scan line, wherein the first input scan line and the second input scan line are different from each other.

Abstract: The present disclosure provides a light emitting display device including a display panel configured to display an image, a data driver configured to drive the display panel, and a timing controller configured to control the data driver, wherein the display panel includes a first sub-pixel connected to a data line but not a sensing line, and a second sub-pixel connected to the data line and the sensing line.

Abstract: The present disclosure relates to a gas and earthquake detector, a gas and earthquake remote monitoring system using the same and a method thereof, and more particularly, to a gas and earthquake detector, a gas and earthquake remote monitoring system using the same and a method thereof, which detect a plurality of gases and earthquakes, detect and autonomously warn gas leakage of a plurality of detection target devices sensitive to the gas and the earthquake, and the earthquake around the detection target device, and easily register the gas leakage and the earthquake in a remote management means through a user mobile terminal of a user to monitor the gas leakage of the detection target device and the earthquake at a detection target device location through the remote management means.

Abstract: A method and electronic device are disclosed herein. The electronic device includes a display, a communication unit, a processor and a memory storing instructions. The process executes the instructions to implement the method, including establishing wireless communication with one or more IoT devices, displaying a user interface for managing IoT devices, receiving a user input selecting a group of IoT devices, transmitting first information including user account data to an external server, transmitting second information to another device, the first information also indicating a selected group of IoT devices, and the second information causing the other device to communicatively connect with the first external server.