Abstract: An air-cooled battery pack is provided, including a plurality of battery modules; a pack case including an air inlet and an air outlet and provided to accommodate the plurality of battery modules; a cooling channel formed between the plurality of battery modules and a bottom surface of the pack case; an inlet duct module configured to form an air passage from the air inlet to the cooling channel; and an outlet duct module including at least one exhaust fan installed within the pack case and provided to forcedly exhaust air to outside of the pack case by forming an air passage from the cooling channel to the air outlet.

Abstract: The present disclosure provides a thermoplastic resin composition having high rigidity and a low coefficient of linear thermal expansion and a molded article including the same. The thermoplastic resin composition includes a first propylene-ethylene copolymer, a second propylene-ethylene copolymer, a thermoplastic elastomer, an inorganic filler, and a sodium-phosphate-based nucleating agent as appropriate, and thus a molded article produced therefrom can exhibit improved mechanical rigidity, impact resistance, and dimensional stability. Even when formed to a low thickness for weight reduction, the molded article can be imparted with excellent processability, high tensile strength, a high flexural modulus, and high impact strength.

Abstract: The present disclosure provides a thermoplastic resin composition having high rigidity and a low coefficient of linear thermal expansion and a molded article including the same. Specifically, the thermoplastic resin composition includes a base resin including at least two polypropylene-based resins having different melt indexes, an elastomer having a melt index (190° C., 2.16 kg) of 20 g/10 min to 35 g/10 min as measured by ASTM D1238, and inorganic particles, and has a flexural modulus (FM) of 2,500 MPa or more and a coefficient of linear thermal expansion (CLTE) of 60 ?m/m° C. or less.

Abstract: The present disclosure provides a thermoplastic resin composition having high rigidity and a low coefficient of linear thermal expansion and a molded article including the same. Specifically, the thermoplastic resin composition includes a polypropylene-based resin having an isotactic pentad fraction of 96% or more as measured by 13C-NMR, a thermoplastic elastomer, an inorganic filler having an average particle diameter of 0.1 ?m to 5 ?m, and a compatibilizer, and has a flexural modulus of 2,500 MPa or more and a coefficient of linear thermal expansion of 60 ?m/m·° C. or less.

Abstract: The present disclosure provides a thermoplastic resin composition having high rigidity and a low coefficient of linear thermal expansion and a molded article including the same. Specifically, the thermoplastic resin composition includes a first polypropylene resin having crystallinity of 50% to 80%, a second polypropylene resin having a coefficient of linear thermal expansion of 70 ?m/m° C. to 90 ?m/m° C., an elastomer, and an inorganic filler.

Abstract: The present disclosure provides a thermoplastic resin composition having high rigidity and a low coefficient of linear thermal expansion and a molded article including the same. Specifically, the thermoplastic resin composition includes a polypropylene composite resin including high-crystalline polypropylene and the like, an elastomer, and an inorganic filler.

Abstract: A hub built-in type drive axle includes one hub housing assuming a role of an external race of a constant velocity joint and a role of a wheel hub simultaneously, wherein the outboard constant velocity joint center is positioned within the full length of the hub housing, and a structure in which a bear housing and a boot assembly ring, including a boot, do not rotate whether the driveshaft 1 rotates is maintained so that performance may be improved, durability may be enhanced, and noise may be minimized.

Abstract: A printed circuit board includes: a first insulating layer; a first metal layer disposed on one surface of the first insulating layer; a second metal layer disposed on the other surface facing the one surface of the first insulating layer; a via penetrating through the first insulating layer to connect the first and second metal layers to each other; and a heterogeneous metal region disposed in at least one of an area in which the via is adjacent to the first insulating layer and an area in which the via is adjacent to the first metal layer, and including a material different from that of the via, wherein the heterogeneous metal region includes at least one of nickel (Ni), silicon (Si), and titanium (Ti).

Abstract: Provided is a light-diffusing barrier film. The film is an integral film comprising a barrier layer, a base layer and a light-diffusing layer, sequentially. The film can prevent moisture penetration into a device such as an organic light emitting device, and also imparts a light-diffusing function to the device. In particular, the film can have excellent moisture blocking properties even after a roll-to-roll process.

Abstract: Provided is a barrier film that includes a base layer (A), and a barrier layer (B) located on one side of the base layer and including one or more cured layers of polysilazane layers having a surface (S) of a concavo-convex structure formed by protruding particles, the barrier film having excellent barrier properties against the external environment, and excellent optical properties. The barrier film can be used for an electronic product sensitive to moisture.

Abstract: A hole location updating device and a method for operating a hole location updating device are provided. The hole location updating device having a housing including a flagpole combiner for providing a combination with a flagpole, includes: a global positioning system (GPS) circuit for detecting a GPS position of a hole; a mobile communication circuit for providing access to a server through a mobile communication network; and a control circuit operable in a power blocking mode, escaping from the power blocking mode in response to a wakeup signal to update a hole location, and entering the power blocking mode.

Abstract: A display device according to an embodiment includes a plurality of display panels arranged adjacent to each other and each display panel including first pixels in the display panel and second pixels in the display panel and adjacent to a boundary area of the display panels, and a luminance correction unit configured to generate a correction grayscale value for the second pixel. The luminance correction unit includes an image mapping unit configured to map a captured luminance image to a unit pixel image, a de-blurring unit configured to perform a de-blurring operation on the mapped unit pixel image to calculate a correction luminance value for the second pixel, and a correction unit configured to calculate a correction grayscale value for the second pixel corresponding to the calculated correction luminance value of the second pixel.

Abstract: A display device according to some embodiments includes a display panel including a plurality of pixels, a timing controller for correcting an input image signal, and for transmitting the input image to the display panel, a memory for storing model correction data for correcting a gray value, the model correction data corresponding to respective models of a plurality of timing controllers, and for storing image quality correction data for correcting a gamma deviation of the display panel, and a correction controller for generating final correction data by using the model correction data and the image quality correction data, and for transmitting the final correction data to the timing controller.

Abstract: The present invention is intended for providing a system and method of detecting a forest gap occurring in a city and monitoring a change in the forest gap. Thus, disclosed is the present invention comprising: a data input unit configured to input and receive LiDAR survey data; a pre-processing unit configured to remove a noise from the LiDAR survey data and classify each of point cloud data; a modeling unit configured to generate a canopy height model with respect to the point cloud data classified as the trees; a forest gap classification unit; and a forest gap change measurement unit.

Abstract: A dehydrogenation chemical reactor includes: a housing; a catalyst part made of a thermally conductive material and disposed in the housing, where the catalyst part has a panel shape, and a catalyst is coated on a surface of the catalyst part to separate hydrogen from an organic hydrogen carrier; a heat transfer pipe which is installed to contact the catalyst part, and conducts latent heat to the catalyst part while pressurized and saturated fluid is supplied therein; and an organic hydrogen carrier line which is connected to the housing to form a passage in which the organic hydrogen carrier is introduced into the housing, contacts the catalyst part to separate hydrogen, and then is discharged.

Abstract: Provided is a barrier film, comprising: a base layer; and an inorganic layer including a first region and a second region, which have different elemental contents (atomic %) of Si, N, and O from each other as measured by XPS, and having a compactness expressed through an etching rate of 0.17 nm/s or less in the thickness direction for an Ar ion etching condition to etch Ta2O5 at a rate of 0.09 nm/s, wherein the second region has a higher elemental content of N than that of the first region, the first region has a thickness of 50 nm or more, and the ratio (d1/d2) of the thickness (d1) of the first region to the thickness (d2) of the second region is 2 or less, the barrier film having excellent barrier properties and optical properties. The barrier film can be used for electronic products sensitive to moisture or the like.

Abstract: A display device according to an embodiment includes a plurality of display panels arranged adjacent to each other and each display panel including first pixels in the display panel and second pixels in the display panel and adjacent to a boundary area of the display panels, and a luminance correction unit configured to generate a correction grayscale value for the second pixel. The luminance correction unit includes an image mapping unit configured to map a captured luminance image to a unit pixel image, a de-blurring unit configured to perform a de-blurring operation on the mapped unit pixel image to calculate a correction luminance value for the second pixel, and a correction unit configured to calculate a correction grayscale value for the second pixel corresponding to the calculated correction luminance value of the second pixel.

Abstract: Provided is a barrier film, comprising: a base layer; and an inorganic layer including Si, N, and O, wherein the inorganic layer has a thickness of 600 nm or less, and the film has a water vapor transmission rate of 0.5×10?3 g/m2·day as measured under conditions of a temperature of 38° C. and 100% relative humidity. The barrier film has excellent barrier properties and optical properties and can be used for electronic products sensitive to moisture.

Abstract: Provided is a barrier film comprising a base layer, and an inorganic layer including Si, N, and O, and including a first region and a second region, which have different elemental contents (atomic %) of Si, N, and O from each other as measured by XPS, wherein the film has a water vapor transmission rate of 5.0×10?4 g/m2·day or less as measured under conditions of a temperature of 38° C. and 100% relative humidity after being stored at 85° C. and 85% relative humidity conditions for 250 hours, or wherein the inorganic layer has a compactness expressed through an etching rate of 0.17 nm/s in the thickness direction for an Ar ion etching condition to etch Ta2O5 at a rate of 0.09 nm/s. The barrier film has excellent barrier properties and optical properties and can be used for electronic products that are sensitive to moisture and the like.