Abstract: Disclosed are a catalyst for preparing a synthetic gas through dry reforming, a method preparing the catalyst, and a method using the catalyst for preparing the synthetic gas. The catalyst may include: a support including regularly distributed mesopores; metal nanoparticles supported on the support; and a metal oxide coating layer coated on a surface of the support.

Abstract: The present disclosure provides a polishing pad and a method of manufacturing a semiconductor device using the same. The method includes disposing a target layer on a semiconductor substrate and performing a chemical mechanical polishing process on the target layer using a polishing pad including a plurality of polishing protrusions facing the target layer. Each of the polishing protrusions includes a protruding portion and a surface layer at least partially covering the protruding portion, wherein the protruding portion is more elastic than the surface layer, and wherein the surface layer is harder than the protruding portion.

Abstract: An organic light emitting diode (“OLED”) display includes a semiconductor layer on a substrate, first and second signal lines on the semiconductor layer, a shield layer on the first and second signal lines, a data line on the shield layer, and an OLED on the data line, where the transistor includes a driving transistor, a second transistor connected to the first signal line and the data line, and a third transistor including a gate electrode connected to the first signal line, a third electrode connected to a second electrode of the driving transistor, and a fourth electrode connected to a gate electrode of the driving transistor, the shield layer includes an overlapped portion overlapping at least a part of the connection portion and non-overlaps the second transistor, and the shield layer is separated from the first and second signal lines with a gap therebetween in a plan view.

Abstract: An apparatus for detecting a failure of a motor drive circuit includes an encoder for detecting rotation information of a motor. The apparatus also includes an interface configured to transmit rotation information detected by the encoder to a processor. The apparatus also includes the processor configured to control the motor based on the rotation information of the motor and configured to receive through the interface and detecting a failure of the interface.

Abstract: Provided is a heat exchanger to perform heat exchange with a predetermined apparatus, the heat exchanger including a heat exchange channel construction configured to form a heat exchange area for heat exchange with the apparatus and to perform heat exchange through a flow of a heat transfer medium. The heat exchange channel construction includes a plurality of heat exchange channels each in a spiral shape, and the heat exchange channel construction includes an independent channel heat exchange area in which one of a first heat exchange channel and a second heat exchange channel included in the plurality of heat exchange channels independently performs heat exchange in a structure that includes at least one of a single channel structure and a branch channel structure and an interlocked heat exchange area in which the first heat exchange channel and the second heat exchange channel perform heat exchange through interlocking.

Abstract: A multilayer capacitor is provided. The multilayer capacitor includes a body and an external electrode disposed outside the body, wherein the body includes an active portion including a plurality of dielectric layers and a plurality of internal electrodes stacked with dielectric layers interposed therebetween, and a side margin portion covering at least one side surface of side surfaces to which the internal electrodes are exposed in the laminate, wherein the side margin portion includes a dielectric including a BaTiO3-based main component, a first subcomponent including a rare earth element, and a second subcomponent including Zr, wherein, based on a molar content per 100 moles of the main component, when a molar content of the rare earth element is RE, a molar content of Zr and RE satisfies 0.20?Zr/RE?0.37.

Abstract: A display device includes pixels electrically connected to first scan lines, second scan lines, and emission lines, a first scan driver that applies first scan signals to the first scan lines, a second scan driver that applies second scan signals to the second scan lines, an emission control driver that applies emission signals to the emission lines, and a power supply that generates and outputs a first high voltage and a second high voltage. The second scan driver receives the first high voltage. The first scan driver and the emission control driver share the second high voltage.

Abstract: An organic light emitting display device includes a substrate including first to third sub-pixels; first to third light emitting diodes disposed on the substrate and respectively located in the first to third sub-pixels; and a transmittance control layer, light emitted from the first to third light emitting diodes being transmitted toward the transmittance control layer, the transmittance control layer including a lens-shaped transparent pattern and a gray pattern, wherein the gray pattern is located to cover the lens-shaped transparent pattern, and has different thicknesses according to a thick of the transparent pattern.

Abstract: An optical imaging system includes a first lens, a second lens, and a third lens disposed in order from an object side. The optical imaging system satisfies 1.2 mm<TTL<2.0 mm and 0<f3/f<1.0, where TTL is a distance from an object-side surface of the first lens to an imaging plane, f is a focal length of the optical imaging system, and f3 is a focal length of the third lens.

Abstract: An optical imaging system is provided. The optical imaging system includes: a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens and an eighth lens, which are arranged in order from an object side to an imaging side, wherein the first lens has positive refractive power and the second lens has negative refractive power, wherein at least one lens of the first lens to the eighth lens is formed of glass, and the remaining lenses are formed of plastic, and TTL/(2×IMG HT)<0.6 is satisfied, where TTL indicates a distance on an optical axis from an object-side surface of the first lens to an imaging plane, and IMG HT indicates half a diagonal length of the imaging plane.

Abstract: An organic light emitting diode display device includes: a substrate including first to third subpixels; first to third light emitting diodes in the first to third subpixels, respectively, on the substrate; and a transmittance controlling layer on an outer surface of the substrate corresponding to an emission direction of a light emitted from the first to third light emitting diodes, the transmittance controlling layer including a first lens and a second lens covering the first lens, wherein one of the first to third subpixels includes a green subpixel, wherein the first lens is disposed to correspond to an emission area of the green subpixel, and wherein the second lens is disposed to correspond to the first to third subpixels.

Abstract: Disclosed is a silicon-carbon composite negative-electrode active material for a lithium secondary battery having improved electrochemical properties which contains a carbon material derived from a wood-based material and a compound containing an isocyanate functional group in order to improve unstable dispersibility of silicon-based particles used as a negative-electrode active material for a lithium secondary battery, thereby improving electrical conductivity and producing stable electrode slurry. Further, a method for producing the same, and a lithium secondary battery including the same are disclosed.

Abstract: An optical imaging system includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens, and an eighth lens disposed in order from an object side. The first lens has positive refractive power, and the second lens has negative refractive power. At least three of the first to eighth lenses each has a refractive index of 1.61 or more, and (TTL/(2×IMG HT))×(TTL/f)<0.64 is satisfied, where TTL is a distance from an object-side surface of the first lens to an imaging plane on an optical axis, IMG HT is half a diagonal length of the imaging plane, and f is a total focal length of the first lens to the eighth lens.

Abstract: An optical imaging system includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens and a seventh lens disposed in order from an object side. The first lens has positive refractive power, and the second lens has negative refractive power. TTL/(2×IMG HT)<0.6 and ?0.15<SAG52/f<0 are satisfied, where TTL is a distance from an object-side surface of the first lens to an imaging plane on an optical axis, IMG HT is half a diagonal length of the imaging plane, SAG52 is a fifth SAG value at an end of an effective diameter of an image-side surface of the fifth lens, and f is a total focal length the optical imaging system.

Abstract: A multilayer capacitor includes a body including a plurality of dielectric layers and a plurality of internal electrodes laminated in a first direction, and external electrodes. The body includes an active portion, in which the plurality of internal electrodes are disposed to form capacitance, corresponding to a region between internal electrodes disposed on an outermost side in the first direction, among the plurality of internal electrodes, a cover portion covering the active portion in the first direction, and a side margin portion covering the active portion in a second direction, perpendicular to the first direction, and 1.49<A1/A2<2.50 where A1 is an average grain size of the dielectric layer in a central region of the active portion, and A2 is an average grain size of the dielectric layer in an active-cover boundary portion, adjacent to the cover portion, of the active portion.

Abstract: A method of matching a wheel and a tire includes steps of: measuring inner runout and outer runout of a wheel; extracting and setting a primary component of a measurement waveform of the inner runout as an inner runout waveform and extracting and setting a primary component of a measurement waveform of the outer runout as an outer runout waveform; comparing an inner minimum value that is a minimum value of the inner runout waveform and an outer minimum value that is the minimum value of the outer runout waveform with a predetermined runout reference value; and determining an assembly reference position of the wheel based on the inner minimum value or the outer minimum value or based on a resultant waveform of the inner runout waveform and the outer runout waveform, depending on a result of the comparing step.

Abstract: A display apparatus including a display and a supporter. The supporter being mounted on the display and configured to support the display and rotate the display module between a first position and a second position. The supporter including a drive motor, a first gear, and a detection sensor. The drive motor configured to supply a driving force to rotate the display. The first gear configured to rotate together with the display by receiving the driving force from the drive motor. The detection sensor configured to detect a rotation amount of a second gear configured to rotate in with the first gear.

Abstract: A dielectric composition includes: a BaTiO3-based main component and a first accessory component, wherein the first accessory component includes dysprosium (Dy) and terbium (Tb), the sum (Dy+Tb) of contents of dysprosium (Dy) and terbium (Tb) is more than 1.5 mol and 2.0 mol or less based on 100 mol of Ti of the main component, and 0.1?Tb/Dy<0.15 in which Tb/Dy is a ratio of the content of terbium (Tb) to the content of dysprosium (Dy).

Abstract: In a display device including a notch portion of a non-emission region, the display device includes: a plurality of pixels; a plurality of scan lines connected to the plurality of pixels; and a load adjusting portion connected to the scan lines on both sides of the notch portion and adjacent to an upper end portion of the notch portion, wherein the load adjusting portion includes: a load adjusting wiring connected to the scan lines on both sides of the notch portion; a first load adjusting electrode in a different layer from the load adjusting wiring and overlapping the load adjusting wiring; and a second load adjusting electrode in a different layer from the load adjusting wiring and the first load adjusting electrode and overlapping the load adjusting wiring.

Abstract: A metal accessory having a non-contact communication function, includes: an integrated circuit element (IC chip) for control, capable of performing non-contact short-range wireless communication with an external terminal; a loop antenna with a predetermined length, having both ends connected respectively to both ends of the integrated circuit element for control; and a body part, which is made of a metal or precious metal material, is formed into a loop shape having a through hole formed through the center thereof, and has a slit formed by cutting a partial section of the loop. The integrated circuit element for control and the loop antenna are provided inside the body part, the loop antenna is wound several times along the loop-shaped body part, and a portion of the loop-shaped body part is completely cut by the slit.