Abstract: The present disclosure relates to a method for recovering a washing fluid, a device for recovering the washing fluid, and a washing fluid recovered by the method. The method includes preparing a positive electrode active material including a nickel-containing lithium composite oxide, adding a first washing fluid to the positive electrode active material to form a mixture, wherein the first washing fluid includes a coating raw material, and recovering the washing fluid from the mixture, wherein the washing fluid has a lithium concentration equal to or greater than about 3500 ppm.

Abstract: The present invention relates to a method for mass-producing a target protein in a plant and, more specifically, to a method for producing high levels of protein in plant leaf cells, in which an expression cassette construct for high expression of a target gene and an expression cassette construct for high expression of p38 as a gene silencing suppressor, are prepared, a binary vector for transient expression in plant cells, having the construct together, is then prepared, and the binary vector is then subjected to agrobacterium-mediated transformation by using a single agrobacterium culture.

Abstract: Provided is an aircraft landing guidance system including two transmitters that are disposed on a landing pad and transmit a first frequency signal and a second radio frequency signal continuously and a receiving unit that is provided on an aircraft and includes a first receiver receiving the first radio frequency signal and a second receiver receiving the second radio frequency signal, in which the aircraft is guided and controlled to land at a point of interest based on a relative angular position change and relative speed of the landing pad.

Abstract: A display device includes a scan write line configured to receive a scan write signal, a scan initialization line configured to receive a scan initialization signal, a sweep signal line configured to receive a sweep signal, a first data line configured to receive a first data voltage, a second data line configured to receive a second data voltage, and a subpixel connected to the scan write line, the scan initialization line, the sweep signal line, the first data line, and the second data line. The subpixel includes a light-emitting element, a first pixel driver including a first transistor configured to generate a control current according to the first data voltage of the first data line, and a second pixel driver including an eighth transistor configured to generate a driving current applied to the light-emitting element according to the second data voltage.

Abstract: A display device includes: first sub-pixels commonly connected to a first global data line, each including a first light emitting element to emit light of a first color; and second sub-pixels commonly connected to a second global data line different from the first global data line, each including a second light emitting element to emit light of a second color different from the first color. At least one of the first sub-pixels includes: a first circuit to supply a driving current to the first light emitting element based on a first global data voltage received from the first global data line; a second circuit to control a supply period of the driving current based on a data voltage received from a data line; and a test transistor including a first electrode connected to an anode of the first light emitting element, and a second electrode connected to the data line.

Abstract: An organic light emitting device including: a substrate; a first electrode; a second electrode; and an organic layer interposed between the first electrode and the second electrode and including an emission layer, wherein one of the first electrode and the second electrode is a reflective electrode and the other is a semitransparent or transparent electrode, and wherein the organic layer includes a layer having at least one of the compounds having at least one carbazole group, and a flat panel display device including the organic light emitting device. The organic light emitting device has low driving voltage, excellent current density, high brightness, excellent color purity, high efficiency, and long lifetime.

Abstract: A mask assembly includes a frame including a frame opening, and a mask disposed on the frame. The mask includes a body portion including an upper surface and a lower surface opposing each other and deposition openings spaced apart from each other, protrusions protruding from the upper surface and surrounding the corresponding deposition openings, and at least one step formation pattern overlapping the protrusions in a plan view and disposed in the body portion.

Abstract: A display device includes a scan write line, a PWM emission line, a PAM emission line, a sweep signal line, a first data line, a second data line, and a subpixel connected thereto, and including a light emitting element, a first pixel driver to supply a control current to a node according to the first data voltage in response to the PWM emission signal, a second pixel driver to generate a driving current according to the second data voltage in response to the PWM emission signal, and a third pixel driver to supply the driving current to the light emitting element according to the PAM emission signal and a voltage of the node, wherein the PWM emission signal includes a plurality of PWM pulses, the PAM emission signal includes a plurality of PAM pulses, and a number of the PWM pulses is greater than a number of the PAM pulses.

Abstract: A method of manufacturing a deposition mask includes preparing a mask-target substrate which has one surface on which a sacrificed layer pattern is formed and comprises a cover area covered by the sacrificed layer pattern and a plurality of exposed areas exposed by the sacrificed layer pattern; forming holes in the exposed areas of the mask-target substrate by emitting laser toward the mask-target substrate; and removing the sacrificed layer pattern, wherein the sacrificed layer pattern has a higher reflectance with respect to the laser than a reflectance of the mask-target substrate.

Abstract: The present disclosure provides an apparatus and method of discriminating a phase of reflected waves. The apparatus includes a sensing impedance circuit disposed between a signal source and a load and having a variable sensing impedance, a directional coupler disposed between the signal source and the sensing impedance network, and a controller configured to detect intensities of an input signal transmitted from the signal source to the load and a reflected signal reflected from the load, determine a magnitude of the reflection coefficient based on the intensities of the signals, determine a difference in the magnitude of the reflection coefficient based on a plurality of magnitudes of the reflection coefficients obtained with respect to different sensing impedances, discriminate a range of the phase of the reflected waves based on the difference in the magnitude of the reflection coefficient, and control the sensing impedance network to change the sensing impedance.

Abstract: The present disclosure relates to a harmonics cancellation circuit and a vector synthesis device using a harmonics cancellation circuit. A harmonics cancellation circuit according to an embodiment of the present disclosure includes a plurality of capacitors that one end is connected to a source node of a plurality of amplifiers receiving a plurality of quadrature phase signals, respectively; and a virtual ground to which the other end of each of the plurality of capacitors is commonly connected, wherein the source node of the plurality of amplifiers may be connected to a plurality of current controllers, respectively.

Abstract: A semiconductor device includes a plurality of active regions in a substrate; a gate trench formed in at least one of the plurality of the active regions, the gate trench including a first sidewall, a second sidewall opposite to the first sidewall, and a bottom sidewall; a growth promotion region formed on the first sidewall of the trench; a first gate dielectric layer formed on the first sidewall of the trench to contact the growth promotion region; a second gate dielectric layer formed on the second sidewall of the trench to be thinner than the first gate dielectric layer; and a gate electrode partially filling the trench over the first and second gate dielectric layers.

Abstract: The present disclosure relates to an apparatus and a method for detecting a relative phase. The apparatus includes: a signal superposition unit configured to receive and switch a first input signal and a second input signal having a phase delay ?d with respect to the first input signal so that the first input signal and the second input signal pass through a sensing resistor or a sensing capacitor, respectively, and to superpose and output the passed signals; a signal power detection unit configured to detect power of the signal output from the signal superposition unit; and a differential signal detection unit configured to generate a differential signal for the power of the signal output according to the switching of the first input signal and the second input signal in the signal superposition unit, and to detect the differential signal that changes according to the phase delay ?d.

Abstract: Disclosed is a technique capable of identifying the features of the shape or motion of an object in an image input from a camera. The camera includes an optical distortion element provided in front of an image sensor, wherein the optical distortion element is configured to distort light reflected from an object to a level that cannot be recognized by humans and to allow the distorted light to pass therethrough. It is not possible for the human eye to detect the object from the distorted image, but the object may be detected from the distorted image by an intelligent image processor trained with a distorted image signal and information about the object. An object detection learning apparatus trains the object detection apparatus using a distorted image obtained by optically distorting a labeled image in the same manner as the object detection apparatus and a label of the original image.

Abstract: A radio frequency (RF) SPDT (single pole double throw) switch device for differential signal conversion is disclosed. According to one embodiment of the present disclosure, an RF SPDT switch device for differential signal conversion may include a central metal line; a first metal line and a second metal line connected to a first direction side of the central metal line; and a third metal line and a fourth metal line connected to a second direction side of the central metal line.

Abstract: Proposed are an apparatus and a method for a high frequency phase shifter. The apparatus of the phase shifter configured for a beamforming system includes a first path switch controlling an activation and a deactivation of a first path, a first path resonator having an impedance capable of realizing a parallel resonance with an impedance seen at both ends of the first path switch when the first path switch is in a control mode for the deactivation, a first inductor rendering an impedance seen from a connected terminal to exhibit an inductive characteristic, a second inductor rendering an impedance seen from a connected terminal to exhibit an inductive characteristic, and a path-based impedance converter converting an impedance thereof into an impedance generating a phase delay or into an impedance such that an impedance as large as possible is seen at both terminals of a second path.

Abstract: A multi-channel beamforming chip-antenna package is provided. The multi-channel beamforming chip-antenna package includes a multi-channel beamforming chip including a plurality of channels, a plurality of waveguides, and a plurality of coupling circuits configured to combine the plurality of channels with the plurality of waveguides, wherein each of the plurality of coupling circuits may include a matching circuit configured to combine a wire bonded to each of the plurality of channels and a microstrip line and a converting circuit configured to combine the microstrip line and the plurality of waveguides.

Abstract: There is provided a method of dismantling a dousing tank of a heavy water reactor structure. The method of dismantling a dousing tank of a heavy water reactor structure includes: selecting a dousing tank of a heavy water reactor structure for dismantlement; dismantling a 1st structure inside the dousing tank; fixing the dousing tank to a dome structure portion provided above the dousing tank through a mounting port; positioning a cutting unit on a 2nd structure including a concrete structure inside the dousing tank; and performing, by the cutting unit, cutting based on a forward or reverse rotation manner on an inner peripheral surface of the dousing tank.

Abstract: A display panel in one example includes a substrate, an anode including an emission region on the substrate, a reference voltage line adjacent to the anode, and a branch line connected to the reference voltage line to apply a reference voltage from the reference voltage line to the anode via a switching element. The branch line includes a semiconductor layer, and the branch line is between the reference voltage line and the anode.

Abstract: An apparatus for providing a tactile medium according to an embodiment includes a tactile medium unit configured to receive a plurality of tactile media capable of stimulating tactile sensation of a subject, a medium driving unit configured to move the plurality of tactile media so as to provide a specific tactile medium among the plurality of tactile media, and a drive controller configured to drive the medium driving unit so as to provide the specific tactile medium to the subject.