Abstract: The present invention relates to a thermoplastic resin. More particularly, the present invention relates to a thermoplastic resin that is a graft copolymer having a seed-shell structure and includes a bimodal seed including a large-diameter rubbery polymer having an average particle diameter of greater than 2,000 ? and 3,500 ? or less and a small-diameter rubbery polymer having an average particle diameter of 500 ? to 2,000 ?; and an aromatic vinyl-vinyl cyan shell, wherein the aromatic vinyl cyan compound is included in an amount of 5% by weight to 28% by weight based on a total weight of the aromatic vinyl-vinyl cyan shell. In accordance with the present invention, a thermoplastic resin having a composition capable of improving graft density, and a thermoplastic resin composition capable of increasing dispersion and having high gloss due to inclusion of the thermoplastic resin are provided.

Abstract: A touch display device includes a display panel including a plurality of first pixels and a plurality of second pixels alternately disposed along a first direction, and a touch screen layer disposed on the display panel, the touch screen layer including a plurality of first touch electrodes having a zigzag shape and disposed between one of the first and second pixels along a second direction crossing the first direction, in which a first pixel of the first pixels and a second pixel of the second pixels have different sizes from each other, and a first distance from a first touch electrode of the first touch electrodes to the first pixel is different from a second distance from the first touch electrode to the second pixel.

Abstract: A switching regulator configured to generate a level-controlled output voltage from an input voltage, the switching regulator includes an inductor, an output capacitor configured to generate the level-controlled output voltage based on a current flowing through the inductor, at least two flying capacitors, and a plurality of switches configured to form electrical connections when the switching regulator operates in a first operating mode to, alternately charge each of the at least two flying capacitors using the input voltage, and provide a first boosted voltage to the inductor using a charged flying capacitor among the at least two flying capacitors.

Abstract: A display device includes a first base substrate including a light-emitting area and a non-light-emitting area around the light-emitting area, a wavelength conversion pattern on the first base substrate in the light-emitting area, and a light-emitting element layer on the wavelength conversion pattern. The light-emitting element layer includes a pixel electrode including a first conductive pattern between the wavelength conversion pattern and the first base substrate, and a second conductive pattern on the wavelength conversion pattern and spaced apart from the first conductive pattern, an organic light-emitting layer on the second conductive pattern, and a common electrode on the organic light-emitting layer.

Abstract: A cylinder block includes an extension portion that is shaped to extend toward the cylinder liner and is formed on an end portion of the cylinder block so as to form a surface contact with a head gasket. In particular, the cylinder liner includes an end portion forming an accommodation groove portion that is shaped to correspond to the extension portion, and a part of the end portion of the cylinder liner is supported on a circumferential surface of the extension portion and is linked to the accommodation groove portion. In addition, the part of the end portion of the cylinder liner forms a surface contact with the head gasket.

Abstract: A touch display device includes a display panel including a plurality of first pixels and a plurality of second pixels alternately disposed along a first direction, and a touch screen layer disposed on the display panel, the touch screen layer including a plurality of first touch electrodes having a zigzag shape and disposed between one of the first and second pixels along a second direction crossing the first direction, in which a first pixel of the first pixels and a second pixel of the second pixels have different sizes from each other, and a first distance from a first touch electrode of the first touch electrodes to the first pixel is different from a second distance from the first touch electrode to the second pixel.

Abstract: A medical image registration method and apparatus are described. By performance of a medical image registration method, a highly accurate registered image, in which breathing deformation information is considered, may be obtained by generation of non-real-time medical images in which the breathing deformation information is reflected before a medical procedure is conducted and by rigid registration of a real-time medical image and the generated non-real-time medical images during the medical procedure.

Abstract: Provided are a tomography imaging apparatus and a method of reconstructing a tomography image which may more accurately measure a motion of an object to be tomography-imaged. In detail, the tomography imaging apparatus and the method of reconstructing a tomography image may obtain information indicating a motion of a moving object according to a time, may perform motion correction based on the obtained motion information, and may reconstruct a target image with reduced motion artifacts.

Abstract: The present invention relates to an ultrasonic nonlinearity measuring method generated by a high voltage pulser and more specifically, includes a calibration step of transmitting and receiving an ultrasonic signal to and from an object to be inspected having a reception probe attached thereto, by a receiving unit; a harmonic wave measuring step of transmitting a tone burst signal to an object to be inspected having a transmission/reception probe attached thereto and receiving the tone burst signal which passes through the object to be inspected, by the receiving unit; a harmonic wave measuring step of transmitting a tone burst signal to an object to be inspected having a transmission probe attached thereto and receiving the transmitted tone burst signal, by a transmitting unit; a calibration step of transmitting and receiving an ultrasonic signal to and from an object to be inspected having a transmission probe attached thereto, by the transmitting unit; and a step of measuring an ultrasonic nonlinearity of t

Abstract: The present invention relates to a method for preparing a graft copolymer including polymerizing a conjugated diene-based monomer to prepare a small-size conjugated diene-based polymer; enlarging the small-size conjugated diene-based polymer to prepare a large-size conjugated diene-based polymer; and polymerizing the small-size conjugated diene-based polymer, the large-size conjugated diene-based polymer, an aromatic vinyl-based monomer and a vinyl cyan-based monomer to prepare a graft copolymer, wherein a weight ratio of the small-size conjugated diene-based polymer and the large-size conjugated diene-based polymer is 10:90 to 40:60 in preparing the graft copolymer.

Abstract: A switching regulator configured to generate an output voltage based on an input voltage is provided. The switching regulator includes: an inductor; and a capacitor circuit configured to generate the output voltage by charging an inductor current passing through the inductor from the input voltage, provide a first capacitance as a load capacitance based on the output voltage being a first level or a second level, and provide a second capacitance, which is less than the first capacitance, as the load capacitance based on the output voltage being between the first level to the second level.

Abstract: An embodiment may have a substrate (110) including a predetermined cavity (C); a plurality of light emitting chips (120) spaced apart from the cavity (C) of the substrate (110); a frame (130), disposed on the substrate (110) including a support portion (132) and a guide portion (134) including a predetermined through hole (H1); and a lens unit (140) disposed in the through hole (H1) of the guide portion (134).

Abstract: A switching regulator configured to generate a level-controlled output voltage from an input voltage, the switching regulator includes an inductor, an output capacitor configured to generate the level-controlled output voltage based on a current flowing through the inductor, at least two flying capacitors, and a plurality of switches configured to form electrical connections when the switching regulator operates in a first operating mode to, alternately charge each of the at least two flying capacitors using the input voltage, and provide a first boosted voltage to the inductor using a charged flying capacitor among the at least two flying capacitors.

Abstract: Provided is an apparatus for assessing degradation and estimating strength by using ultrasound, in which the apparatus includes: an ultrasound transmitting unit making an ultrasound signal having a single frequency be incident in an inspected object; an ultrasound receiving unit receiving the ultrasound signal penetrating the inspected object or reflected on the inspected object; a signal processing unit calculating a propagation speed through a time interval of the ultrasound signal received by the ultrasound receiving unit and separates the received ultrasound signal into a fundamental frequency component and a harmonic component to calculate non-linear parameter, and measuring linear and non-linear elastic coefficients by using the propagation speed and the non-linear parameter; and a strength estimating unit obtaining a tensile curve by using the linear and non-linear elastic coefficients and estimating at least one of tensile strength and yield strength by using the tensile curve.

Abstract: The present invention relates to an ABS graft copolymer, a method of preparing the same, and a thermoplastic resin composition including the same. More specifically, when an ABS graft copolymer is prepared using emulsion polymerization, a phosphate ester-based reactive emulsifier capable of acting as a metal deactivator is added, thereby reducing the amount of undesired residues remaining in the ABS graft copolymer latex. As a result, thermal stability may be improved without adding a heat stabilizer. In addition, compatibility between the ABS graft copolymer and the aromatic vinyl compound-vinyl cyanide compound copolymer may be improved by the phosphate ester-based reactive emulsifier. Therefore, a final molded part having improved impact resistance, e.g., increased impact strength, and having improved appearance quality, e.g., excellent whiteness, while having excellent thermal stability may be prepared.

Abstract: The present invention relates to a heat-resistant resin and a method of preparing the same. More particularly, the present invention relates to a heat-resistant resin including 100 parts by weight of a styrene based resin and 0.5 to 5 parts by weight of silica having a contact angle of 10 to 60° and an average particle diameter of 0.1 nm or more and 100 nm or less, a method of preparing the same and a heat-resistant resin composition including the same. In accordance with the present invention, provided are a heat-resistant resin having a low moisture content and a small content of fine particles while having heat resistance equal to or higher than conventional resins and, accordingly superior cohesion, a method of preparing the same, and a heat-resistant resin composition including the same.

Abstract: A tomography apparatus includes a data acquirer configured to acquire partial images of an object including a first image and a second image having imaged a surface of a portion of the object corresponding to a first time and a second time, respectively, by performing a tomography scan on the object that is moving, and acquire first information indicating motion of the object by using the first image and the second image; and an image reconstructor configured to reconstruct a target image by using the first information.

Abstract: A medical imaging apparatus includes an X-ray source configured to irradiate X-rays to an object; an X-ray detector configured to detect the X-rays radiated from the X-ray source to obtain projection data; and an image processor configured to reconstruct the projection data based on a motion parameter representing movement of at least one of the object, the X-ray source, and the X-ray detector, and to generate a medical image by applying a weighting process to the reconstructed projection data.

Abstract: Disclosed are a catalyst composite including a metal; and a nitrogen-containing porous 2D polymer carrier, and a method of manufacturing the catalyst composite. Accordingly, provided is a high-efficiency catalyst composite that does not depend on pH acid concentration using a nitrogen-containing porous two-dimensional (2D) polymer carrier and a low-cost metal.

Abstract: A switching regulator configured to generate an output voltage from an input voltage, includes an inductor, an output capacitor configured to generate the output voltage based on a current passing through the inductor, a flying capacitor, and a plurality of switches. The plurality of switches are configured to operate in at least one of a buck-boost mode or a boost mode to, charge the flying capacitor to the input voltage in a first phase, and provide a boosted voltage from the flying capacitor to the inductor in a second phase, the boosted voltage being generated by charge pumping from the input voltage.