Abstract: The present invention relates to a mounting apparatus for an antenna device and, specifically, comprises: a horizontal mounting panel coupled to the bottom surface of an antenna device; and an antenna installation unit on which the horizontal mounting panel is coupled and in which a hollow cable installation space is provided, wherein the antenna device enable left-right steering adjustment and up-down tilting adjustment by means of the horizontal mounting panel, and thus installation convenience and regulatory standards can be satisfied.

Abstract: Provided are an organic electronic element comprising an anode, a cathode, and an organic material layer between the anode and the cathode, and an electronic device comprising the organic electronic element, wherein the organic material layer comprises each compound represented by Formula 1, Formula 2, or Formula 3, thereby the driving voltage of the organic electronic element can be lowered and the luminous efficiency and lifespan can be improved.

Abstract: The present invention relates to a mounting apparatus for an antenna device and, specifically, comprises: a horizontal mounting panel coupled to the bottom surface of an antenna device; and an antenna installation unit on which the horizontal mounting panel is coupled and in which a hollow cable installation space is provided, wherein the antenna device enable left-right steering adjustment and up-down tilting adjustment by means of the horizontal mounting panel, and thus installation convenience and regulatory standards can be satisfied.

Abstract: The present invention relates to a mounting apparatus for an antenna device on a rooftop corner. In particular, the mounting apparatus is installed on a railing on a corner side of a rooftop, and includes: a floor support part which is disposed on the inner bottom surface of the railing of the roof top and has a part that extends upward in parallel to the railing; a pair of railing support parts extending horizontally from the upper portion of the floor support part toward the railing; and a mounting part which is coupled to the upper portion of the floor support part and has a top end on which an antenna device is mounted. Therefore, the present invention provides installation convenience and enables legal regulations to be met.

Abstract: An air compressor according to an aspect of the present invention comprises: a housing; a rotating shaft which is disposed in the housing; a compression unit which is connected to the rotating shaft to compress and discharge inlet air; a motor unit which drives the rotating shaft; a control board which controls the motor unit; and a filter unit which filters out noise from external power and supplies the external power to the control board, wherein the housing includes a first cooling flow channel for cooling the motor unit and a second cooling flow channel for cooling the filter unit, and the first cooling flow channel communicates with the second cooling flow channel.

Abstract: A wireless communication device support assembly is disclosed, including a support pole comprising a hollow interior, a first frame having a polygonal shape disposed on top of the support pole, a plurality of wireless communication devices disposed inside the first frame, at least one or more rotational advertising apparatuses controllably elevated in a direction parallel to a longitudinal direction of the support pole, a drive unit configured to elevate or lower the rotational advertising apparatus, and a plurality of lift ropes having first ends connected with tops of the rotational advertising apparatuses and second ends connected with the drive unit.

Abstract: The present invention relates to an air foil journal bearing in which air is introduced between a foil and a rotor rotating at high speed and generates pressure to support a radial load of the rotor and allow the rotor to rotate smoothly, and more particularly, to a housing fixing structure of an air foil journal bearing that improves durability against external impact or vibration by restricting an axial movement of a bump by means of two opposite ends of the bump and a top foil fixing portion.

Abstract: The present invention relates to a support pole assembly for mounting an antenna and, particularly, to a support pole assembly for mounting an antenna, comprising: a support pole which is formed in a hollow structure and has an antenna device mounting hole formed at the circumferential surface thereof; an antenna device which is mounted to the support pole while passing through and covering the antenna device mounting hole and the rear portion of which is placed in the inner space of the support pole. Accordingly, the present invention provides an advantage in that the protrusion amount of the antenna device with respect to the support pole is reduced and thus the space required for mounting the antenna device can be reduced.

Abstract: The present invention relates to a clamping apparatus for an antenna device, and particularly, to a clamping apparatus including a rotation unit configured to rotate an antenna device in a horizontal direction, a tilting unit configured to rotate the antenna device in a vertical direction, and a connection arm configured to install at least one of the rotation unit and the tilting unit on a support pole so that the support pole is not positioned on a horizontal rotation path and a vertical rotation path of the antenna device, thereby reducing an installation space for an antenna device with respect to the support pole.

Abstract: The present invention relates to a mounting apparatus for an antenna device on a support pole. Particularly, the apparatus comprises: a support clamp installed on a support pole; and a directivity adjustment part comprising a tilting means and a steering means, the tilting means, for two or more antenna devices coupled via the support clamp so as to be spaced apart in the vertical direction, tilting the two or more antenna devices at the same time or at different times in the front/rear direction via a left/right tilting axis, and the steering means steer-rotating the two or more antenna devices in the left/right direction with respect to a vertical axis, wherein, of the directivity adjustment part, the tilting means is provided so that tilt-rotation is manually adjusted by a worker or is automatically adjusted by a power supply, and thus the advantages of not only reducing costs but also easily adjusting the directivity of the antenna devices are provided.

Abstract: The present disclosure relates to an organic electroluminescent device. The organic electroluminescent device according to the present disclosure includes a deuterated organic electroluminescent material, so it can exhibit a low driving voltage and high luminous efficiency.

Abstract: A communication apparatus is provided to include an apparatus enclosure that includes a substrate seating surface and at least one or more connection grooves formed on the substrate seating surface, a first printed circuit board disposed on the substrate seating surface, a second printed circuit board disposed on the substrate seating surface on one side of the first printed circuit board, and at least one or more connectors disposed within the connection groove and configured to electrically connect the first printed circuit board and the second printed circuit board.

Abstract: The present invention relates to a signal shielding apparatus and an antenna apparatus including same, and in particular, comprises a shield cover which is stacked and disposed on a printed board assembly (hereinafter, abbreviated to “PBA”), in which a plurality of signal-related components are mounted on one side thereof to prevent leakage of a signal from the plurality of signal-related components, wherein a grooved shield cover seating groove is formed in one surface of the PBA, and an insertion end insertably seated in the shield cover seating groove is integrally formed in the other surface from among one surface and the other surface of the shield cover, the other surface facing the one surface of the PBA, thereby providing advantages in that an increase in the manufacturing cost may be prevented, EMI shielding may be facilitated, and heat dissipation performance may be significantly improved.

Abstract: The present invention relates to an antenna apparatus, particularly comprising: an antenna housing portion which has a predetermined installation space formed therein and is provided with a plurality of front heat dissipation fins protruding to at least one side of the front surface thereof; a main board which is stacked on the installation space of the antenna housing portion and has predetermined heating elements arranged on the front surface thereof, and is mounted to be in thermal contact with the front surface of the antenna housing portion provided with the plurality of front heat dissipation fins; a plurality of filters which form a predetermined layer in front of the main board, and are stacked in a middle portion except for the portion where the plurality of front heat dissipation fins are formed; an antenna element assembly including a plurality of radiation elements stacked in front of the plurality of filters; and an installation plate which is fixed to be in face-to-face contact with the rear sur

Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. The organic electroluminescent compound of the present disclosure may be comprised in a light-emitting layer, and is effective for producing an organic electroluminescent device having high luminescent efficiency and/or excellent lifespan characteristic.

Abstract: The present invention provides a recombinant antigen protein for preventing SARS-coronavirus-2 infection, comprising a polypeptide derived from an S1 subunit of a spike protein of SARS-coronavirus-2 and a polypeptide constituting a tetanus toxin (TT) epitope P2 domain, and a vaccine composition comprising the same.

Abstract: A liquid crystal display device includes a liquid crystal panel and a light guide plate below the liquid crystal panel. The liquid crystal display device also includes first and second LED packages that are arranged alternately along a light entering surface of the light guide plate. Additionally, the liquid crystal display device includes a printed circuit board that has first and second portions facing each other and at which the first and second LED packages are mounted, respectively. The printed circuit board also includes a third portion, in a bent state, which connects an end of the first portion in a lengthwise direction, and an end of the second portion in a lengthwise direction. The liquid crystal display device further includes a first guide portion that is located at an outer side of the first and second LED packages. The first guide portion is interposed between and attached to the first and second portions.

Abstract: A liquid crystal display device includes a liquid crystal panel and a light guide plate below the liquid crystal panel. The liquid crystal display device also includes first and second LED packages that are arranged alternately along a light entering surface of the light guide plate. Additionally, the liquid crystal display device includes a printed circuit board that has first and second portions facing each other and at which the first and second LED packages are mounted, respectively. The printed circuit board also includes a third portion, in a bent state, which connects an end of the first portion in a lengthwise direction, and an end of the second portion in a lengthwise direction. The liquid crystal display device further includes a first guide portion that is located at an outer side of the first and second LED packages. The first guide portion is interposed between and attached to the first and second portions.

Abstract: Discussed is a display device. The display device can include an optical frame, which provides light up to an edge of a display panel, thereby enlarging an active area of the display device.