Abstract: A pixel circuit and a display device including the same are discussed. The pixel circuit in one example includes a driving element having a first electrode connected to a first node, a gate electrode connected to a second node, and a second electrode connected to a third node, a first capacitor connected between the second node and a fourth node, a second capacitor connected between the third node and the fourth node, a light emitting element including an anode electrode connected to a fifth node and a cathode electrode to which a cathode voltage is applied, a first switch element configured to connect a data voltage to the second node, and a switch circuit configured to selectively apply a reference voltage to the second node and the fourth node.

Abstract: The present invention relates to an antenna device, comprising: a front housing including antenna arrangement units in which at least one radiation element is disposed on the front sides thereof, and heat dissipation units formed between adjacent antenna arrangement units and being exposed to outside air to transfer heat generated from the rear side to the front; and a rear housing coupled to the front housing and provided with a filter for filtering RF signals and a main board on which an RF element is mounted, wherein the heat generated from the filter is transferred to the front of the front housing through the contact with the back surface of the front housing by using the filter as a heat transfer medium.

Abstract: The present disclosure relates to a method and apparatus for performing sensor drift compensation based on double cycling measurement. A method for performing drift correction according to gas sensor measurement according to an embodiment of the present disclosure may comprise: obtaining first measurement data for a reference gas for each sensor using one or more sensors in a first cycle; obtaining second measurement data for a target gas for each sensor using the one or more sensors in a second cycle; and generating a drift-corrected feature for each sensor based on a ratio calculated by dividing the second measurement data by the first measurement data.

Abstract: A pixel circuit is disclosed. The pixel circuit includes: a driving element including a first electrode connected to a first node, a gate electrode connected to a second node, and a second electrode connected to a third node; a light emitting element including an anode electrode connected to a fourth node and configured to be driven according to the current from the driving element; a first switch element configured to supply a data voltage to the second node; a second switch element configured to supply an initialization voltage to the first node; a third switch element configured to supply a reference voltage to the third node or the fourth node; a fourth switch element configured to supply a cathode voltage or the reference voltage to the third node or the fourth node; and a fifth switch element configured to supply a pixel driving voltage to the first node.

Abstract: A downsized variable inductor is disclosed. The downsized variable inductor includes: a magnetic core formed in a closed loop shape, and including an air gap portion formed by partially opening the closed loop shape; a gap core inserted and fixed to the air gap portion to be integral with the magnetic core, and served to increase an inductance and a maximum current at low current of the inductor, and a coil wound and connected to the magnetic core.

Abstract: A display panel can include a plurality of first pixel circuits configured to receive a pixel driving voltage and a reference voltage for displaying an image; and a plurality of second pixel circuits including a power line supplied with the pixel driving voltage and a reference voltage line supplied with the reference voltage, the plurality of second pixel circuits being configured to short-circuit the power line to the reference voltage line for at least some amount of time within a vertical blank period. Also, the plurality of second pixel circuits can maintain uniform luminance of the plurality of first pixel circuits.

Abstract: The present disclosure relates to an antenna RF module, an RF module assembly including the antenna RF modules, and an antenna apparatus including the RF module assembly. Particularly, the antenna RF module includes an RF module, a radiation element module arranged on a first side of the RF filter, and an amplification unit board arranged on a second side of the RF filter, an analog amplification element being mounted on the amplification unit board. A plurality of antenna RF modules constitute the RF module assembly, and the RF module assembly and an antenna housing constitute the antenna apparatus. Accordingly, a radome that interrupts dissipation of heat to in front of an antenna is unnecessary, and heat generated from heat generating elements of the antenna apparatus is spatially separated. Thus, it is possible that the heat is dissipated in a distributed manner toward the front and rear directions of the antenna apparatus. The effect of greatly improving performance in heat dissipation can be achieved.

Abstract: A laser device for aircraft defense according to an embodiment of the present invention may include: a laser oscillator that outputs a laser beam; a LASER BEAM IRRADIATION AREA GENERATOR for generating a laser beam irradiation area in the air on the basis of the output laser beam; and a controller that controls the LASER BEAM IRRADIATION AREA GENERATOR to generate a laser beam irradiation plane having an energy density equal to or greater than a preset threshold in the laser beam irradiation area and controls to generate the laser beam irradiation area which is a three-dimensional space from the laser device to the laser beam irradiation surface and in which aircraft located on the laser beam irradiation area is hit with the laser beam.

Abstract: A laser device for aircraft defense according to an embodiment of the present invention may include: a laser oscillator that outputs a laser beam; a LASER BEAM IRRADIATION AREA GENERATOR for generating a laser beam irradiation area in the air on the basis of the output laser beam; and a controller that controls the LASER BEAM IRRADIATION AREA GENERATOR to generate a laser beam irradiation plane having an energy density equal to or greater than a preset threshold in the laser beam irradiation area and controls to generate the laser beam irradiation area which is a three-dimensional space from the laser device to the laser beam irradiation surface and in which aircraft located on the laser beam irradiation area is hit with the laser beam.

Abstract: There is provided a sealing member of a bearing device configured to rotatably support a rotary element relative to a non-rotary element in a rotating device via rolling elements. The sealing member includes a frame mounted on one of the rotary element and the non-rotary element, and an elastic sealing portion attached to the frame. The frame includes a press-fitting portion extending in an axial direction and a flange portion extending in a radial direction from the press-fitting portion. The flange portion of the frame may have a through-hole, the elastic sealing portion may be configured to close the through-hole. At least one perforated-hole may be formed in the elastic sealing portion configured to close the through-hole, and a bearing space, in which the rolling elements are located, may be in communication with an outside via the at least one perforated-hole.

Abstract: Disclosed is a pixel circuit. The pixel circuit includes: a driving element connected to a first node, a second node, and a third node; a first switch element configured to be turned on to supply a data voltage to a fourth node; a second switch element configured to be turned on to supply a reference voltage or an initialization voltage to the fourth node; a third switch element configured to be turned on to connect the first node to the second node; a fourth switch element configured to be turned on to supply the reference voltage to the third node; a fifth switch element configured to be turned on a fourth gate signal to supply a pixel driving voltage to the first node; and a sixth switch element configured to be turned on to connect the third node to a fifth node.

Abstract: The present invention relates to a full analog phase shifter, and more particularly, comprises: a variable switch panel comprising a first conductive pattern terminal and a second conductive pattern terminal; and a pattern PCB on which a plurality of array antenna elements are arranged and a transmission line at which the first conductive pattern terminal and the second conductive pattern terminal come into contact is pattern-printed, wherein, assuming that two variable switch panels are disposed in the vertical direction, the two variable switch panels are provided as a slider type that slides in the vertical direction so that, due to a phase shift caused by the contact between the first conductive pattern terminal and the second conductive pattern terminal and the transmission line, phases of the plurality of array antenna elements are linearly distributed on a same reference phase plane, thereby providing the advantage of easily implementing a mirror symmetry structure having a linear phase distribution on

Abstract: The vehicular wheel bearing includes a wheel hub; at least one inner ring; an outer ring; a plurality of rolling elements; an inboard-side sealing member; and an outboard-side sealing. The outboard-side sealing member includes a frame press-fitted to the outer ring and an elastic sealing part integrally attached to the frame. The frame includes a press-fitting part and a flange part bent and extending from the press-fitting part. The elastic sealing part includes a base part with which all or a part of the frame is covered, one or more of sealing lips formed to extend from the base part, an overmold part extending beyond an inner axial end portion of the press-fitting part of the frame and is mounted in close contact with an outer circumferential surface of the outer ring, and the overmold part is axially spaced apart from the press-fitting surface of the press-fitting part.

Abstract: The present disclosure relates to a display device. The display device includes: a first source driver IC configured to receive pixel data to be written into sub-pixels of a first display area and a gamma compensation voltage for each grayscale and output a data voltage to be supplied to data lines of the first display area; a second source driver IC configured to receive pixel data to be written into sub-pixels of a second display area and the gamma compensation voltage for each grayscale and output a data voltage to be supplied to data lines of the second display area; a first programmable gamma IC configured to supply a first gamma reference voltage set to the first and second source driver ICs; and a second programmable gamma IC configured to supply a second gamma reference voltage set to the first and second source driver ICs.

Abstract: The present invention relates to an antenna apparatus.

Abstract: The present invention relates to an antenna apparatus. In particular, the antenna apparatus comprises: a radiating element module including a plurality of antenna sub-arrays electrically connected to the front of an RF filter and arranged to implement antenna beamforming by building a predetermined number of RF chains; and a phase shifter which shifts a phase value by changing the length ratio of a physical transmission line to the plurality of antenna sub-arrays to a predetermined ratio, wherein each RF chain of the radiating element module is implemented such that the antenna sub-array is connected to one output terminal of two output terminals branching off from an input terminal of each RF chain and an additional antenna sub-array corresponding to the antenna sub-array is further arranged to be connected to the other output terminal. Accordingly, a beam with a narrow beam width and a high antenna gain may be radiated, thus providing advantages in production cost and process.

Abstract: In an embodiment a shape-transformable switch apparatus includes a housing comprising an accommodating region with a high voltage electrode, a Electrorheological (ER) fluid located in the accommodating region, the ER fluid configured to change viscosity and rigidity, a switch cover shielding an upper portion of the housing, the switch cover configured to change a shape based on changes of the viscosity and of the rigidity of the ER fluid; and a controller configured to allow a voltage to be applied to the high voltage electrode such that an electrostatic attraction is generated so that the ER fluid flows and is pressed against the switch cover thereby changing a shape of the switch cover.

Abstract: The present invention relates to a small cell base station antenna apparatus, and more particularly, comprises: a radio unit (RU); one or more antenna modules installed on the radio unit so as to be capable of tilting and steering operations; and a multi-function link for mediating the installation of the one or more respective antenna modules on the radio unit, wherein the multi-function link includes male connectors that electrically connect female connectors included in the antenna modules and the radio unit, thus providing the benefits of improving the workability of indoor installation and facilitating the construction of a small cell base station.