Abstract: A damper pulley for a crankshaft includes a hub mounted on one end of the crankshaft, a rim connected to the hub, an oil seal mounted on an outer surface of the hub, and a wear-resistant insert member integrally mounted on the hub and making contact with the oil seal.

Abstract: A centrifugal casting apparatus for different materials may include a mold having a shape corresponding to a shape of an outer surface of a casting to be produced, and having a cavity receiving molten metals therein, a molten metal guide inserted into the mold and configured to guide the molten metals so that the molten metals are separately injected into the mold, a guide fixing support fixing the molten metal guide to a predetermined position, and a motor configured to rotate the mold around a rotation axis.

Abstract: A centrifugal casting apparatus is provided. The centrifugal casting apparatus includes an upper mold machined to have an inner contour used to form an upper side surface of a casting, and a lower mold machined to have an inner contour used to form a lower side surface of the casting. An upper motor provides power to rotate the upper mold and a lower motor provides power to rotate the lower mold. The upper motor and the lower motor are operated independently of each other.

Abstract: The present invention relates to a thermosetting resin composition for a semiconductor package and a prepreg using the same. Specifically, a thermosetting resin composition for a semiconductor package which exhibits a low curing shrinkage ratio and has a high glass transition temperature and greatly improved flowability by introducing acrylic rubber and mixing two specific inorganic fillers surface-treated with a binder of a specific composition at a certain ratio, and a prepreg using the same, are provided.

Abstract: An image sensor and an electronic apparatus, the image sensor including a plurality of pixels, each pixel of the plurality of pixels including a photodiode and a transfer transistor, a reset transistor, a source-follower transistor, and a selection transistor, which correspond to the photodiode; a plurality of first interconnection lines connected to gates of the transfer transistor, the reset transistor, and the selection transistor, the plurality of first interconnection lines extending in a first direction; and a plurality of second interconnection lines connected to a source region of the selection transistor, the plurality of second interconnection lines extending in a second direction that intersects the first direction, wherein the plurality of first interconnection lines or the plurality of second interconnection lines includes dummy lines on a peripheral area that is outside of a pixel area in which the pixels are located.

Abstract: A display device includes a sensor, a transparent substrate, and a plurality of light emitters adjacent a first side the transparent substrate. The light emitters emit light in a first direction and a second direction opposing the first direction. The sensor senses reflected light, which is emitted through a second side of the transparent substrate and received by the sensor after being reflected from a location outside the display device.

Abstract: Disclosed herein is a method of manufacturing a wheel nut. The method includes annealing an aluminum (Al) alloy material and preheating the annealed Al alloy material. The Al alloy material is also forged to form a wheel nut. Furthermore, the method includes performing an anodizing treatment to form a primary coating on the wheel nut and performing a vacuum deposition to form a secondary coating on the wheel nut. In addition, the method includes performing a surface treatment using powder paint to form a tertiary coating on the wheel nut.

Abstract: A display device includes: a display panel including a display area for displaying an image; a window provided on an upper portion of the display panel; a protection plate provided on a lower portion of the display panel; and a photosensor provided at least one of between the display panel and the window and between the display panel and the protection plate, wherein the photosensor includes a shutter for controlling light emitted by the display panel to transmit through the window or the protection plate, and a photodetector for receiving the light reflected after transmitting through the window or the protection plate.

Abstract: An electrode includes: a polymer layer including a non-conductive material; a conductive nanomaterial embedded in a top surface of the polymer layer; and a planarization layer on the polymer layer and on the conductive nanomaterial. The planarization layer includes a conductive material and a surfactant.

Abstract: An image sensor includes a pixel array including at least one unit pixel configured to generate accumulated charges, a correlated double sampler configured to perform a correlated double sampling operation to extract an effective signal component based on a signal component and a reset component from the unit pixel for at least first and second read-out periods, the correlated double sampler configured to read out an image signal during the first read-out period and to read out a light noise signal during the second read-out period, an analog-digital converter configured to convert the image signal into a first digital signal and to convert the light noise signal into a second digital signal and an image compensator configured to generate a compensated image signal based on the second digital signal and the first digital signal.

Abstract: An in-vehicle power system includes: a charging-discharging device configured to selectively perform both a charging function for receiving and delivering a first power signal and a discharging function for transmitting a second power signal; a battery configured to store an electrical energy transferred after DC conversion of the first power signal; and a charging-discharging controller configured to control the charging-discharging device based on a user's input or a predetermined control pattern.

Abstract: A persimmon leaf-derived polysaccharide fraction consisting of 60-80 wt % of neutral sugar and 18-39 wt % of uronic acid, and 0.5-10 wt % of 3-deoxy-D-manno-2-octulosonic acid (KDO) analogs, the wt % based on the total weight of the polysaccharide fraction.

Abstract: A display device includes: a display panel including a display area for displaying an image; a window provided on an upper portion of the display panel; a protection plate provided on a lower portion of the display panel; and a photosensor provided at least one of between the display panel and the window and between the display panel and the protection plate, wherein the photosensor includes a shutter for controlling light emitted by the display panel to transmit through the window or the protection plate, and a photodetector for receiving the light reflected after transmitting through the window or the protection plate.

Abstract: Provided are a porous metal halide film that reacts with an organic halide to be converted into an organometal halide having a perovskite structure, thereby fabricating the organometal halide, a fabrication method thereof, and a fabrication method of an organometal halide having a perovskite structure using the same, and specifically, the porous metal halide film according to the present disclosure satisfies Relational Expression 1 below: I(101)/I(001)?0.5??(Relational Expression 1) in Relational Expression 1, I(101) is a diffraction intensity of a (101) plane in X-ray diffraction pattern using a Cu K? line of the porous metal halide film, and I(001) is a diffraction intensity of the (001) plane in the same X-ray diffraction pattern.

Abstract: A display apparatus is provided. The display apparatus includes a communication interface; a display; and a processor configured to control the communicator to receive a content image from a server, control a screen of the display to display the content image and a first image, determine a size of the first image as displayed on the screen of the display apparatus, generate a second image by resizing the first image in response to determining the size of the first image does not correspond to a sensible size, and control the screen of the display to display the content image and the second image.

Abstract: A method for manufacturing a device comprising an inorganic/organic hybrid perovskite compound film, according to the present invention, comprises the steps of: a) laminating a first structure and a second structure to allow the first surface layer and the second surface layer to be in contact with each other, the first structure comprising a first surface layer containing at least one of materials i) to v) below, the second structure comprising a second surface layer containing, independently from the first surface layer, at least one of materials i) to v) below; and b) applying heat and physical force to the laminate in which the first structure and the second structure are laminated: i) an inorganic/organic hybrid perovskite compound, ii) an organic halide, iii) a metal halide, iv) an inorganic/organic hybrid perovskite compound precursor, and v) a metal halide precursor.

Abstract: A stereoscopic image display device includes a display panel for displaying an image; a liquid crystal lens layer positioned under the display panel that refracts light like a lenticular lens depending on application of power, the liquid crystal lens layer including a plurality of nano polymer-dispersed liquid crystals (PDLC); a barrier layer integrally formed under the liquid crystal lens layer that has a light transmitting position and width that change depending on a power applying position, the barrier layer including a plurality of reflective PDLCs; and a backlight unit (BLU) positioned under the barrier layer that is configured to provide light to the display panel.

Abstract: A method for manufacturing a tensile test piece according to one or more exemplary embodiments includes: preparing a polymer layer including a non-conductive material; forming a sacrificial layer on the polymer layer; forming a planarization layer on the sacrificial layer; shaping the polymer layer, the sacrificial layer, and the planarization layer into a dog-bone-shaped sample; etching at least a portion of the sample; and drying the sample.

Abstract: The present invention relates to a thermosetting resin composition for a semiconductor package and a prepreg using the same. Specifically, a thermosetting resin composition for a semiconductor package which exhibits a low curing shrinkage ratio and has a high glass transition temperature and greatly improved flowability by introducing acrylic rubber and mixing two specific inorganic fillers surface-treated with a binder of a specific composition at a certain ratio, and a prepreg using the same, are provided.

Abstract: A unit pixel of an image sensor which operates in global shutter mode is provided. The unit pixel includes a photo diode area including a photo diode configured to accumulate photocharges generated from incident light during a first period and a storage diode area including a storage diode configured to receive and store the photocharges from the photo diode. The photo diode corresponds to a micro lens that focuses the incident light.