Abstract: A lumbar support for a vehicle seat includes: a support panel made of an elastic material and supporting the user's lumbar vertebra; a first guide rod supporting the support panel; a second link bracket fastened to the first guide rod to be movable up and down; a first link bracket disposed under the second link bracket to be movable up and down with respect to the second link bracket, and having an operation block providing a supporting force to the lumbar vertebra; a first rotary screw vertically extending, thread-fastened to the first link bracket, and moving up and down the first link bracket by rotating about a longitudinal axis; and a second rotary screw vertically extending, thread-fastened to the second link bracket, and moving up and down the second link bracket by rotating about a longitudinal axis.

Abstract: According to an embodiment of the present invention, the method includes: (a) preparing a liquid cell containing a palladium precursor solution; (b) applying electron beams to the palladium precursor solution contained in the liquid cell; and (c) generating palladium hydride nanoparticles having the hcp crystal structure in the palladium precursor solution.

Abstract: Various embodiments of the present invention pertain to an electronic device and an operation method therefor.

Abstract: Provided is a hydrogen storage alloy including a ternary alloy of titanium (Ti), iron (Fe), and vanadium (V), wherein V sites in the ternary alloy correspond to some of Ti sites in a binary TiFe alloy including Ti and Fe, and some of Fe sites in the binary TiFe alloy.

Abstract: An antenna structure according to an embodiment of the present disclosure includes a dielectric layer, and a plurality of antenna units arranged on a top surface of the dielectric layer. Each of the plurality of antenna units includes a radiator, a transmission line including a first transmission line and a second transmission line that extend in different directions to be connected to the radiator, an upper parasitic element adjacent to an upper portion of the radiator, and a lower parasitic element adjacent to a lower portion of the radiator and the transmission line. Feeding signals of different phases are applied to the first transmission line and the second transmission line.

Abstract: An antenna structure according to an embodiment of the present invention includes a first antenna unit including a first radiator, a first transmission line connected to the first radiator, and a guide pattern disposed around the first transmission line and separated from the first transmission line, a second antenna unit at least partially covered by the guide pattern of the first antenna unit in a plan view, and a dielectric layer interposed between the first antenna unit and the second antenna unit. An antenna structure implementing low-frequency and high-frequency properties with high reliability is provided.

Abstract: An antenna device according to an embodiment may include a dielectric layer, a radiator and a transmission line which are disposed on an upper surface of the dielectric layer and formed in a mesh structure. A mesh line width of the transmission line may be thicker than a mesh line width of the radiator.

Abstract: An antenna device according to an embodiment of the present invention includes a dielectric layer, an antenna unit disposed on a top surface of the dielectric layer, and a ground layer disposed on a bottom surface of the dielectric layer. The ground layer has a first mesh structure that includes first cut portions therein. A radiation coverage is expanded by the ground layer.

Abstract: A method for applying a bokeh effect to a video image in a user terminal is provided. The method for applying a bokeh effect includes extracting characteristic information of an image from the image included in the video image, analyzing the extracted characteristic information of the image, selecting a bokeh effect to be applied to the image based on the analyzed characteristic information of the image, and applying the determined bokeh effect to the image.

Abstract: An antenna structure according to an embodiment of the present invention includes a dielectric layer, a radiator disposed on the dielectric layer, a first signal pad for supplying a first input signal to the radiator, a second signal pad for selectively supplying a second input signal to the radiator, a first transmission line connecting the first signal pad to the radiator, and a second transmission line connecting the second signal pad to the radiator. Thereby, it is possible to provide an antenna structure having improved signal efficiency and space efficiency by implementing multiple polarization characteristics with one radiator.

Abstract: An antenna array according to an embodiment includes antenna elements arranged in a predetermined direction. Each antenna element includes a first radiation body, a second radiation body to be spaced apart from the first radiation body in a first direction, a third radiation body to be spaced apart from the first radiation body in a second direction, a first signal pad and a second signal pad to supply signals to the first radiation body, a first transmission line extending in the first direction to connect the first signal pad and the first radiation body, a second transmission line extending in the second direction to connect the second signal pad and the first radiation body, a third transmission line configured to connect the first radiation body and the second radiation body, and a fourth transmission line configured to connect the first radiation body and the third radiation body.

Abstract: Various embodiments of the present invention relate to: an electronic device for providing a voice-based service to a user by additionally using an input/output function of an external device connected through near-field communication; a server device; and an operation method thereof.

Abstract: An antenna structure according to an embodiment of the present disclosure includes a support layer having a first surface and a second surface facing each other, a light-shielding pattern disposed on a peripheral portion of the first surface of the support layer, a radiator disposed at the same level as that of the light-shielding pattern on the first surface of the support layer, and a signal pad disposed on the light-shielding pattern and electrically connected to the radiator. A spatial efficiency of the antenna structure may be improved and a thickness of the image display device may be reduced to enhance a bending property.

Abstract: An antenna structure according to an embodiment of the present disclosure includes a passivation layer, an antenna unit at least partially embedded in an upper portion of the passivation layer, and an insulating layer disposed on a top surface of the passivation layer to cover the antenna unit. A spatial efficiency of the antenna structure is improved and a thickness of the image display device is reduced to improve a bending property.

Abstract: The present disclosure relates to a method for preparing a transfructosylated steviol glycoside using Arthrobacter-derived microorganisms, a culture thereof, a supernatant of the culture, an extract of the culture, and a lysate of the microorganisms.

Abstract: The present application discloses an image formation apparatus that can transfer an image into electronic paper using an electronic photography method, and a printing control method for the image formation apparatus. The present electronic paper comprises an electrophoresis layer for displaying an image using an electrophoresis method, a conductive layer, and a film layer for transmitting an image; and the image formation apparatus comprises a communication interface for receiving printing data, an image formation unit for transferring an image corresponding to the printing data, and a processor for controlling the image formation unit.

Abstract: An antenna device according to an exemplary embodiment of the present invention includes a first dielectric layer, a first antenna layer disposed on the first dielectric layer and including a first antenna unit, a second dielectric layer disposed under the first dielectric layer, and a second antenna layer disposed between the first dielectric layer and the second dielectric layer, and including a second antenna unit.

Abstract: Provided is a hydrogen storage alloy including a ternary alloy of titanium (Ti), iron (Fe), and vanadium (V), wherein V sites in the ternary alloy correspond to some of Ti sites in a binary TiFe alloy including Ti and Fe, and some of Fe sites in the binary TiFe alloy.

Abstract: A fuser includes an endless belt; a heat source to heat the endless belt; a pressing roller to press the endless belt to form a heating nip, through which a printing medium is to pass, the pressing roller to rotate the endless belt; a pair of supporting members spaced apart from each other in an axial direction of the endless belt; and a pair of rotational members that are loosely inserted into an inner portion of the endless belt, respectively at two side end portions of the endless belt, the pair of rotational members to be rotatably supported by the pair of supporting members and rotated with the endless belt.

Abstract: Provided is a method of preparing palladium hydride nanoparticles having a hcp crystal structure. According to an embodiment of the present invention, the method includes: (a) preparing a liquid cell containing a palladium precursor solution; (b) applying electron beams to the palladium precursor solution contained in the liquid cell; and (c) generating palladium hydride nanoparticles having the hcp crystal structure in the palladium precursor solution.