Abstract: A light emitting diode includes a first end and a second end facing each other, a current blocking layer, a first semiconductor layer, an active layer, a second semiconductor layer, and an insulating film surrounding outer circumferential surfaces of the first semiconductor layer, the active layer, and the second semiconductor layer and exposing at least a portion of the current blocking layer and at least a portion of the first semiconductor layer at the second end. The current blocking layer, the first semiconductor layer, the active layer, and the second semiconductor layer are sequentially disposed in a direction from the second end to the first end.

Abstract: The imprinting device according to a representative embodiment includes: a stamp holder configured such that a stamp is mounted thereon; a substrate holder arranged in a first direction with respect to the stamp holder and configured such that a substrate is mounted thereon; an ultraviolet emitter configured to emit ultraviolet rays toward the substrate mounted on the substrate holder; and a pressing module configured to move at least one of the substrate holder or the stamp holder such that the substrate holder and the stamp mounted on the stamp holder come into contact with each other, wherein the imprinting device is configured to allow the stamp to be mounted on the stamp holder in a state in which the substrate holder and the stamp holder are spaced apart from each other by a predetermined distance or more.

Abstract: A converter comprises: a housing comprising an internal space; a printed circuit board disposed inside the internal space; a first electronic component disposed on the upper surface of the printed circuit board; a second electronic component disposed on the lower surface of the printed circuit board; and a heat dissipation space disposed inside the housing, wherein the first electronic component is disposed so as to overlap the heat dissipation space in a first direction, and the second electronic component is disposed so as to overlap the heat dissipation space in a second direction perpendicular to the first direction.

Abstract: An embodiment mounting and demounting device for a wireless electronic device includes a pair of holder wings arranged symmetrically to each other and configured to press both sides of the wireless electronic device, a holder wing adjusting device configured to apply a force to adjust a gap between the holder wings using a driving force of a drive motor, a lifting implementing device configured to interlock with the holder wing adjusting device to lift the wireless electronic device upward in a case in which the holder wings are spread apart by a predetermined reference gap or more, a lower housing wrapped around a lower side of the holder wings, the holder wing adjusting device, and the lifting implementing device, and an upper housing coupled to an upper side of the lower housing and configured to allow the wireless electronic device to pass through in an up and down direction.

Abstract: The present disclosure provides methods and apparatuses for biomaterial detection sensors. In some embodiments, a biomaterial detection sensor includes a membrane including a plurality of wells. Each of the plurality of wells is configured to encapsulate a biomaterial contained in a sample solution. A surface of the membrane is selectively modified into at least one of a hydrophilic surface and a hydrophobic surface. In some embodiments, a method of manufacturing a biomaterial detection sensor includes depositing a first membrane and a second membrane on respective surfaces of a wafer, forming a window by etching the first membrane and the first surface of the wafer, forming a plurality of wells on the second membrane, modifying a surface of the second membrane into at least one of a hydrophilic surface and a hydrophobic surface; and transferring a two-dimensional graphene oxide material onto a bottom of each of the plurality of wells.

Abstract: The quantum dot comprises a ligand which is a copolymer comprising a first repeating unit comprising at least one or more hole transporting functional groups and a second repeating unit comprising at least one or more photocrosslinking functional groups.

Abstract: A power tool includes a wrench head having a rotary socket, and a spanner tool mounted in the rotary socket, wherein the rotary socket grips a first component and the spanner tool grips a second components, the first and second component being adjacent.

Abstract: A power tool includes a wrench head having a rotary socket, and a spanner tool mounted in the rotary socket, wherein the rotary socket grips a first component and the spanner tool grips a second components, the first and second component being adjacent.

Abstract: An organic compound, an organic light emitting diode including the compound, and an organic light emitting device including the organic light emitting diode are disclosed. The organic compound may include a fused hetero aromatic moiety having a p-type property and an aza-acridine moiety having an n-type property bonded to the fused hetero aromatic moiety via an aromatic or a hetero aromatic linker. The organic compound has relatively high energy level since it includes plural fused hetero aromatic rings. Holes and electrons can be recombined in an emitting material layer in a balanced manner since the organic compound has a bipolar property. The organic light emitting diode and the organic light emitting device including the organic compound have enhanced luminous efficiency and luminous lifetime.

Abstract: An organic compound, an organic light emitting diode including the compound, and an organic light emitting device including the organic light emitting diode are disclosed. The organic compound may include a fused hetero aromatic moiety having a p-type property and an aza-acridine moiety having an n-type property bonded to the fused hetero aromatic moiety via an aromatic or a hetero aromatic linker. The organic compound has relatively high energy level since it includes plural fused hetero aromatic rings. Holes and electrons can be recombined in an emitting material layer in a balanced manner since the organic compound has a bipolar property. The organic light emitting diode and the organic light emitting device including the organic compound have enhanced luminous efficiency and luminous lifetime.

Abstract: A method for operating a User Equipment (UE) is provided to minimize performance degradation due to a difference between a transmit power for D2B communication and a transmit power for Device to Device (D2D) communication. The method includes transmitting a signal for D2B communication to a Base Station (BS) and a signal for D2D communication to another UE in a first time period, and configuration for the D2D communication, when it is determined there is a difference between a transmit power for the D2B communication and a transmit power for the D2D communication.

Abstract: A digital signal processor is provided. The digital signal processor includes an execution circuit configured to receive a first data including first bits expressed in a signed magnitude method and a second data including second bits expressed in the signed magnitude method, and a control logic circuit configured to output a control signal that determines a type of operation on the first data and the second data based on a command signal, wherein the execution circuit is further configured to perform an operation on the first data and the second data according to a determined type of operation and generate a result of the operation.

Abstract: An apparatus of a transmitter for signal processing in a wireless communication system is provided. The apparatus includes a first signal processing module set configured to process a first signal transmitted to a base station and a second signal processing module set configured to process a second signal transmitted to a terminal, wherein the first signal processed by the first signal processing module set has a different bandwidth than the second signal processed by the second signal processing module set.

Abstract: A digital signal processor is provided. The digital signal processor includes an execution circuit configured to receive a first data including first bits expressed in a signed magnitude method and a second data including second bits expressed in the signed magnitude method, and a control logic circuit configured to output a control signal that determines a type of operation on the first data and the second data based on a command signal, wherein the execution circuit is further configured to perform an operation on the first data and the second data according to a determined type of operation and generate a result of the operation.

Abstract: A frequency-efficient antenna operation method is provided in a multiuser beamforming system. The method includes determining channel correlations and channel gain differences between channels using channel information received from multiple terminals, classifying the multiple terminals into at least one or more clusters using the channel correlations and channel gain differences, selecting a beamforming vector for each of the one or more clusters using the channel information of at least one or more terminals in the one or more clusters, allocating power to the terminals in each of the one or more clusters, and forming a beam based on the allocated power and the selected beamforming vector. According to the method, interference due to sharing space resources may be reduced and more efficient data communication may be achieved.

Abstract: Disclosed are a printed circuit board and a method for manufacturing the same. The method for manufacturing the printed circuit board includes forming a base circuit board including a cavity circuit pattern in a cavity region on upper and lower portions of a substrate and internal circuit layers outside the cavity region, forming a cavity separation layer on the cavity circuit pattern, forming at least one pair of an insulating layer and a circuit layer on the base circuit board, cutting the insulating layer and the cavity separation layer provided on an etch stop pattern by controlling a focal length of a laser beam such that the laser beam reaches a surface of the base circuit board, and removing the insulating layer by separating the cavity separation layer to form the cavity. The cavity separation layer is formed on the cavity circuit pattern, and the resultant structure is cut to the cavity separation layer by using a laser so that the insulating layer is separated.

Abstract: An apparatus of a transmitter for signal processing in a wireless communication system is provided. The apparatus includes a first signal processing module set configured to process a first signal transmitted to a base station and a second signal processing module set configured to process a second signal transmitted to a terminal, wherein the first signal processed by the first signal processing module set has a different bandwidth than the second signal processed by the second signal processing module set.

Abstract: A method for operating a User Equipment (UE) is provided to minimize performance degradation due to a difference between a transmit power for D2B communication and a transmit power for Device to Device (D2D) communication. The method includes transmitting a signal for D2B communication to a Base Station (BS) and a signal for D2D communication to another UE in a first time period, and configuration for the D2D communication, when it is determined there is a difference between a transmit power for the D2B communication and a transmit power for the D2D communication.

Abstract: A frequency-efficient antenna operation method is provided in a multiuser beamforming system. The method includes determining channel correlations and channel gain differences between channels using channel information received from multiple terminals, classifying the multiple terminals into at least one or more clusters using the channel correlations and channel gain differences, selecting a beamforming vector for each of the one or more clusters using the channel information of at least one or more terminals in the one or more clusters, allocating power to the terminals in each of the one or more clusters, and forming a beam based on the allocated power and the selected beamforming vector. According to the method, interference due to sharing space resources may be reduced and more efficient data communication may be achieved.

Abstract: Disclosed are a printed circuit board and a method for manufacturing the same. The method for manufacturing the printed circuit board includes forming a base circuit board including a cavity circuit pattern in a cavity region on upper and lower portions of a substrate and internal circuit layers outside the cavity region, forming a cavity separation layer on the cavity circuit pattern, forming at least one pair of an insulating layer and a circuit layer on the base circuit board, cutting the insulating layer and the cavity separation layer provided on an etch stop pattern by controlling a focal length of a laser beam such that the laser beam reaches a surface of the base circuit board, and removing the insulating layer by separating the cavity separation layer to form the cavity. The cavity separation layer is formed on the cavity circuit pattern, and the resultant structure is cut to the cavity separation layer by using a laser so that the insulating layer is separated.