Abstract: The present disclosure relates to a hydraulic system of construction machinery and a method of controlling the hydraulic system. The hydraulic system of construction machinery and the method of controlling the hydraulic system according to the present disclosure assign a weighted value for each operation, preliminarily distribute a (available torque that can be used) value that an engine can provide, through torque weighted values for each operation, and calculate surplus torque and deficient torque by comparing a preliminary distributable torque value to required torque. The surplus torque is provided for an operation in which torque is deemed to be deficient. Thus, the hydraulic system of construction machinery and the method of controlling the hydraulic system according to the present disclosure can sufficiently use available torque that can be used so that an operator can achieve a desired level of performance during the operation.

Abstract: Provided is a display device with enhanced uniformity of brightness. The display device includes a display panel, and a backlight unit configured to supply light to the display panel, wherein the display panel includes a liquid crystal panel with first and second surfaces opposite to each other, a first polarizing plate arranged on the first surface of the liquid crystal panel, a second polarizing plate arranged on the second surface of the liquid crystal panel, a light absorbing layer arranged on the second polarizing plate to absorb a portion of the light supplied from the backlight unit, and a light absorbing material included in the light absorbing layer to absorb light of particular wavelengths.

Abstract: A display apparatus includes a display panel receiving light from a light source. The display panel includes a liquid crystal panel, first and second polarizers respectively disposed on front and rear sides of the liquid crystal panel, and an optical layer disposed on a front surface of the second polarizer. The optical layer includes a first resin layer having light absorption portions for absorbing a portion of incident light, a second resin layer disposed on a front surface of the first resin layer, the second resin layer having a higher refractive index than the first resin layer, the second resin layer having light diffusion portions for diffusing light not absorbed by the light absorption portions.

Abstract: A display device according to an exemplary embodiment includes: a display panel that displays an image; and a touch sensor that is provided on the display panel, wherein the touch sensor includes a sense electrode that senses a touch and a shield layer that is disposed between the sense electrode and the display panel while partially overlapping the sense electrode, the sense electrode includes a plurality of conductive lines that are connected with each other and have a mesh shape, the plurality of conductive lines includes a first conductive line and a second conductive line that are disposed on different layers, and the shield layer overlaps at least one of the first conductive line and the second conductive line.

Abstract: There are provided an input sensor having improved input sensing sensitivity, a method for manufacturing the input sensor, and a display device having the input sensor.

Abstract: The present invention relates to an optical transceiver using FEC, an optical transceiving system comprising the same, and a remote optical wavelength control method and, specifically, to an optical transceiver using FEC, the optical transceiver comprising: a laser diode driver (LDD) for driving a laser diode (LD) for outputting light; a transmitter optical sub-assembly (TOSA) for transmitting an optical signal received from the LD driver; a receiver optical sub-assembly (ROSA) for receiving the optical signal from the transmitter optical sub-assembly; a micro controller unit (MCU) for controlling the transmitter optical sub-assembly and the receiver optical sub-assembly and analyzing the optical signal; and a forward error correction (FEC) which is controlled by the micro controller unit and generates the optical signal by including, in an overhead excess data frame, control or monitoring request information of a subscriber-side base station.

Abstract: The present invention relates to a device for loading and unloading loads, and more particularly, to a device for loading and unloading loads which includes a loading and unloading mat disposed inside a carrying box and a driving shaft connected with one end or both ends of the loading and unloading mat to carry out a rolling motion so that the loading and unloading mat forms a slope by operation of the driving shaft, thereby naturally loading and unloading the loads along the slope.

Abstract: Provided are an optical module platform structure and a method of manufacturing the same. The optical module platform structure includes an optical module platform substrate, a light source device mounted on a light source mount attached on one upper side of the optical module platform substrate, a waveguide spaced apart from the light source device by a certain interval and mounted on a waveguide mount attached on the optical module platform substrate, a lens mount fixed between the light source mount and the waveguide mount, and a lens fixed to a top of the lens mount. Therefore, optical coupling efficiency between a light source and a waveguide is maximized by applying a lens mount, and an optical alignment error is minimized.

Abstract: Provided are an optical alignment device applied to an assembly process of an optical transmitter and an optical receiver that include multi-channel optical elements and optical waveguide elements for optical communication, and an optical alignment method thereof. The optical alignment device includes an element fixing case with a mounting space formed thereinside and an element insertion hole communicating with the mounting space formed at an upper side thereof, and a light source mounted in the mounting space of the element fixing case and configured to emit light toward a lower side of an optical element or an optical waveguide element which is inserted into the element insertion hole to check a position of a core.

Abstract: The present invention relates to an optical module, and more specifically, to an optical module which allows an optical coupling loss of an optical signal to be minimized and a frequency bandwidth thereof to be maximized. The optical module according to an embodiment of the present invention includes: a circuit substrate; an electronic element mounted on one surface of the circuit substrate; an optical element mounted on another surface perpendicular to the one surface of the circuit substrate; a capacitor mounted between the electronic element and the optical element; and an optical waveguide array on which an optical waveguide is disposed.

Abstract: Disclosed is an austenitic stainless steel pipe having excellent wrinkle resistance. The austenitic stainless steel pipe includes, based on % by weight, silicon (Si): 0.1 to 0.65%, manganese (Mn): 0.2 to 3.0%, nickel (Ni): 6.5 to 12.0%, chromium (Cr): 14.5 to 20.5%, copper (Cu): 6.0% or less (excluding 0), the sum of carbon (C) and nitrogen (N): 0.13% or less (excluding 0), and the remainder being Fe and unavoidable impurities, wherein the austenitic stainless steel pipe satisfies Equation (1) below concerning an outer diameter (D) and a thickness (t) thereof and has a yield strength of 195 MPa or less: D/t?20 ??Equation (1).

Abstract: Disclosed are a vacuum insulation material having a structure from which a folding process can be removed, a vacuum insulation material manufacturing method, and a refrigerator including the vacuum insulation material. The vacuum insulation material comprises: a core material; a first outer cover material disposed at the outside of the core material; a second outer cover material coupled to the first outer cover material so as to form an accommodation space in which the compressed core material is accommodated; and coupling parts provided at edges of the first outer cover material and the second outer cover material, wherein the length of the coupling part is 10-30 mm.

Abstract: The present invention relates to a method and a device for wirelessly updating software for a vehicle and, more specifically, to a method and a device for wirelessly updating software of an electronic device for a vehicle. A method for wirelessly updating software of a gateway for a vehicle, according to one exemplary embodiment of the present invention, comprises the steps of: receiving a first message including a software module list from at least one controller; and transmitting, to an update server, a second message including a software module list with respect to each of the at least one controller, wherein the first message comprises hardware version information, and the second message comprises region information of the vehicle.

Abstract: A bus interface device for requesting and receiving data from a memory controller connected to a bus includes a request buffer and a request merger. The request buffer is configured to store a first data request signal for requesting first data and a second data request signal for requesting second data. The request merger is configured to determine whether to merge the first and second data request signals, and transmit a merged request signal for requesting the first data and the second data from the memory controller to the bus upon determining that the first and second data request signals are to be merged.

Abstract: Disclosed may be a method for controlling counter steering of a vehicle, which, in a counter steering section for controlling over-steer while a vehicle travels a curve, prevents lateral force from being decreased by maintaining a braking pressure according to an operation of an antilock braking system (ABS) for a vehicle wheel (a front axle curve-travelling outer wheel) of a counter steering target at an optimal slip level (before an improvement of a target slip), and improves steering performance by forming a linear yaw rate in a direction for counter steering without a delay in forming the yaw rate.

Abstract: There is provided a scan driver including a plurality of stages coupled to respective scan lines, wherein a kth (where k is a natural number) stage of the plurality of stages includes: a first driver configured to supply a kth scan signal to a first output terminal, based on a first clock signal, and a second driver configured to supply a kth carry signal not overlapping the kth scan signal to a second output terminal, based on an inverse first clock signal.

Abstract: Disclosed are a device and a method for controlling a hydraulic pump in a construction machine, the method including: checking whether a dynamic characteristic of an engine deviates from a predetermined permissible range when a load is applied to the hydraulic pump and a pump load reaches pump torque required by the hydraulic pump; when the dynamic characteristic of the engine deviates from the predetermined permissible range, applying a pump load to the hydraulic pump so as to increase the pump torque to predetermined torque with a predetermined change rate; collecting information which is generated when the pump load is applied; generating a new torque change rate map by generating a torque change rate for each load section based on the information collected in the information collecting step; and updating an existing torque change rate map to the new torque change rate map generated in the map data generating step.

Abstract: The present invention relates to a polypropylene which exhibits high transparency and has a very low level of generation of volatile organic compounds, which has a total volatile organic compounds (TVOC) value of 60 ?g/g or less, which is measured according to VDA 277 standardized by the German Automobile Industry Association by heating the polypropylene for 12 to 5 hours and converting all hydrocarbons detected per 1 g into an acetone content, and a haze value of 5% or less.

Abstract: The present invention relates to an apparatus and a method for treating ballast water. The object of the present invention is to provide an apparatus and a method for precisely controlling the production, injection, and removal of disinfectants using electrolysis according to the flow rate of ballast water, wherein the ballast water flows into a ballast tank or is discharged from the ballast tank in order to manage the ballast water or ships so that the destruction or disruption of marine ecosystems can be prevented.

Abstract: Various embodiments of the present disclosure relate to an electronic device.