Abstract: The present disclosure provides a mobile communications system line number sheet management device and method. Provided, according to one aspect of the present disclosure, is a line number sheet management device and method, for automating access network-related line number sheet management by automatically collecting and updating line number information, the line number information being collected from a mobile communications base station management server (mobile communications system management server) and a fronthaul management server. Provided, according to another aspect of the present disclosure, is a fronthaul device for: acquiring unique information of a base station by receiving an optical signal from any one of a radio unit (RU) and a digital unit (DU); and transmitting the unique information of the base station to a fronthaul management server.

Abstract: A light emitting diode including a side reflection layer. The light emitting diode includes: a semiconductor stack and a light exit surface having a roughened surface through which light generated from an active layer is emitted; side surfaces defining the light exit surface; and a side reflection layer covering at least part of the side surfaces. The light exit surface is disposed over a first conductivity type semiconductor layer opposite to the ohmic reflection layer, all layers from the active layer to the light exit surface are formed of gallium nitride-based semiconductors, and a distance from the active layer to the light exit surface is 50 ?m or more.

Abstract: Provided is a fluorine-doped tin oxide support, a platinum catalyst for a fuel cell having the same, and a method for producing the same. Also described is a high electrical conductivity and electrochemical durability by doping fluorine to the tin oxide-based support through an electrospinning process. Thus, while resolving a degradation issue of the carbon support in the conventional commercially available platinum/carbon (Pt/C) catalyst, what is designed is to minimize an electrochemical elution of dopant or tin, which is a limitation of the tin oxide support itself and has excellent performance as a catalyst for a fuel cell.

Abstract: Provided is an apparatus for online action detection, the apparatus including a feature extraction unit configured to extract a chunk-level feature of a video chunk sequence of a streaming video, a filtering unit configured to perform filtering on the chunk-level feature, and an action classification unit configured to classify an action class using the filtered chunk-level feature.

Abstract: A light device including a substrate, and first and second light emitters spaced apart from each other, and a power source to control the first light emitter and the second light emitter, in which the first and second light emitters include a light emitting region, a wavelength conversion layer disposed on the light emitting region, and a lateral reflection layer covering a region of a side of the light emitting region and the wavelength conversion layer, the first light emitter and the second light emitter are configured to output the same or different magnitudes of power by receiving the same or different magnitudes of current, the first and second light emitters are respectively configured to emit first light and second light, the first light emitter is electrically connected to the second light emitter through a common electrode.

Abstract: Disclosed is a thermoelectric composite with high-entropy alloy dispersed including a thermoelectric material TE having a composition in a formula TE(x %)+M(y %), and high-entropy alloy particles M having a composition in the formula and dispersed in the thermoelectric material. In the formula, a volume ratio or a molar ratio x of the thermoelectric material to the thermoelectric composite is smaller than 100, and a volume ratio or a molar ratio y of the high-entropy alloy particles to the thermoelectric composite is greater than 0 and smaller than 20.

Abstract: A light emitting chip including a first LED sub-unit, a second LED sub-unit disposed on the first LED sub-unit, a third LED sub-unit disposed on the second LED sub-unit, a first bonding layer interposed between the first and second LED sub-units, a second bonding layer interposed between second and third LED sub-units, and a first connection electrode electrically connected to and overlapping at least one of the first, second, and third LED sub-units, the first connection electrode having first and second opposing side surfaces, the first side surface having a first length and the second side surface having a second length, in which the difference in length between the first side surface and the second side surface of the first connection electrode is greater than a thickness of at least one of the LED sub-units.

Abstract: The present invention relates to an ophthalmic treatment device and a method for operating the same. The present invention provides an ophthalmic treatment device and a method for operating the same, the ophthalmic treatment device comprising: a treatment beam generation unit for generating a treatment beam; a beam delivery unit for forming a path along which the treatment beam generated from the treatment generation unit is delivered to a treatment area positioned on the fundus; a monitoring unit for emitting a detecting beam along the path of delivery of the treatment beam and sensing treatment area state information on the basis of information regarding a change in speckle of the detecting beam, which is scattered and reflected from the treatment area; and a control unit for controlling the driving of the treatment beam generation unit on the basis of the treatment area state information sensed by the monitoring unit.

Abstract: A light module including a base substrate having a front surface, first and second electrodes disposed on the front surface, first and second emitters disposed on the front surface, a first molding covering the first emitter, and a second molding layer covering the second emitter, in which the first and second electrodes include a first region and a second region exposed from the base substrate, and an embedded region between the first region and the second region and not exposed to the outside, and a distance between the second region of the first electrode is connected to the first emitter and the second region of the second electrode connected to the second emitter is shorter than a distance between the first region of the first electrode connected to the first emitter and the first region of the second electrode connected the second emitter.

Abstract: An operating method of an electronic device includes receiving a program including a machine learning model generated by performing machine learning using, as training data, information on a plurality of skeletons associated with a specific motion of an expert and/or a professional athlete associated with a specific sport, information on a plurality of angular velocities associated with the specific motion, and/or a plurality of pieces of evaluated information associated with the specific motion, which are accumulated in a server, from the server, and executing the program and receiving information on second angular velocity for the specific motion of a user of the electronic device from a swing practice device based on execution of the program.

Abstract: Stainless steel for a fuel cell separator plate and a manufacturing method therefor are disclosed. The stainless steel for a fuel cell separator plate, according to one embodiment of the present invention, comprises: a stainless base material; and a passive film formed on the stainless base material, wherein a Cr/Fe atomic weight ratio in a 1 nm or less thickness region of the stainless base material, which is adjacent to an interface between the stainless and the passive film, is 0.45 or more. Therefore, by modifying the surface of the stainless steel for a fuel cell separator plate, a low interface contact resistance and a good corrosion resistance can be obtained, and a separate additional process such as precious metal coating can be removed, such that manufacturing costs are reduced and productivity can be improved.

Abstract: A current supply circuit according to the present disclosure may include a voltage/current converter configured to convert, into a data current, a data voltage received from a data driving circuit and a first current mirror circuit configured to mirror the data current so that a light-emitting diode (LED) current flows into an LED array. The data current may be adjusted based on a greyscale value of the LED array.

Abstract: The present invention relates to an E. coli hisG-derived ATP-phosphoribosyltransferase variant having a reduced feedback inhibition by histidine and a strain expressing the same. The variant may maintain its activity even at a high histidine concentration, thus increasing histidine production.

Abstract: An electronic device is provided. The electronic device includes a housing including a front surface and a rear surface, a display, a communication circuit, at least one processor, and a memory. The memory stores instructions which, when executed, cause the at least one processor to receive a signal from outside of the electronic device using the communication circuit, in response to receiving the signal, display a user interface on an elongated region that extends along at least one edge region of the display, and display at least one content corresponding to the signal, while displaying the user interface or after displaying the user interface.

Abstract: A display device includes a substrate, a transistor on the substrate, a pixel electrode connected to the transistor, a bank layer disposed on the pixel electrode and defining a pixel opening overlapping the pixel electrode, an emission layer in the pixel opening, a common electrode on the emission layer and the bank layer, an encapsulation layer on the common electrode, a sensing electrode on the encapsulation layer, a first insulating layer disposed on the encapsulation layer and overlapping the pixel opening, a second insulating layer on the first insulating layer, and a third insulating layer surrounding the first insulating layer. A refractive index of the first insulating layer, a refractive index of the second insulating layer, and a refractive index of the third insulating layer are different from one another, and the refractive index of the first insulating layer is greater than the refractive index of the third insulating layer.

Abstract: An air conditioner for a vehicle including an air-conditioning case divided into a plurality of air passageways by a separation wall. A heating heat exchanger is disposed inside the air-conditioning case and exchanges heat with air to heat the interior of the vehicle. A perforated member is disposed at a downstream side of the heating heat exchanger and has a plurality of perforated holes through which the air passing the heating heat exchanger passes, and a partition wall is disposed between the heating heat exchanger and the perforated member to divide the air passageway of the air-conditioning case into a plurality of air passageways, wherein the partition wall is formed integrally with the perforated member.

Abstract: Provided is a semiconductor memory device. The semiconductor memory device includes a substrate including an active region defined by a device isolation layer, a bit line which is disposed on the substrate and extends in a first direction, a bit line contact which is disposed between the bit line and the substrate and connects the bit line to the active region, a bit line spacer which extends along a sidewall of the bit line, and a bit line contact spacer which extends along a sidewall of the bit line contact and does not extend along the sidewall of the bit line.

Abstract: A hot water generation apparatus and a water purifier including the same includes: a collection space inside a case member that is disposed above a receiving space in which raw water is accommodated, and has an inclination surface having a predetermined angle of inclination, and a steam outlet through which steam can be discharged is disposed above the collection space, separately from a hot water outlet, so that steam is removed in advance through the steam outlet along the inclination surface before hot water is discharged to the outside. Therefore, since hot water free of steam is discharged and a regular flow of hot water is formed in a straight line along the direction of gravity, user safety is enhanced, aesthetics are improved, and the best user experience can be provided.

Abstract: An aspect of the present disclosure discloses a method for diagnosing a network performance in an apparatus for diagnosing network performance connected to a switching device provided between a first entity and a second entity. The method may include: obtaining at least one mirrored packet for at least one packet transmitted between the first entity and the second entity based on mirroring from the switching device, calculating performance related indicator representing performance of a network service associated with the first entity and the second entity based on at least a part of information included in the at least one mirrored packet, and storing the calculated performance related indicators.