Abstract: The boron nitride nanostructure according to an embodiment of the present invention forms defects through surface modification and incorporates the metallic nanoparticles on the surface defects.

Abstract: Disclosed are a catalyst system capable of selectively oligomerizing olefins including ethylene and a method for preparing an olefin oligomer by using the same and, specifically, a novel catalyst system capable of trimerizing and tetramerizing olefins, unlike olefin oligomerization catalyst systems that have been reported so far, and a method for preparing an olefin oligomer by using the same. The present invention provides a catalyst system for olefin oligomerization, the catalyst system comprising: a ligand compound represented by chemical formula 1 or 2; a chromium compound; a metal alkyl compound; and an aliphatic or alicyclic hydrocarbon solvent.

Abstract: A thin-film transistor substrate may include a first thin-film transistor and a second thin-film transistor which are disposed on a substrate. The first thin-film transistor may include a first semiconductor layer, a first gate electrode, and a first electrode. The second thin-film transistor may include a second semiconductor layer disposed on the first semiconductor layer and overlapping at least a portion of the first semiconductor layer, a second gate electrode, and a second electrode electrically connected to the first electrode. The second electrode may overlap the first electrode.

Abstract: Disclosed are a catalyst system capable of selectively oligomerizing olefins including ethylene and a method for preparing an olefin oligomer by using the same and, specifically, a novel catalyst system capable of trimerizing and tetramerizing olefins, unlike olefin oligomerization catalyst systems that have been reported so far, and a method for preparing an olefin oligomer by using the same. The present invention provides a catalyst system for olefin oligomerization, the catalyst system comprising: a ligand compound represented by chemical formula 1; a chromium compound; a metal alkyl compound; and an aliphatic or alicyclic hydrocarbon solvent.

Abstract: The present disclosure provides a method for transfer and assembly of RGB micro-light-emitting diodes using vacuum suction force whereby the vacuum state of micrometer-sized adsorption holes to which micro-light-emitting diodes formed on a mother substrate or a temporary substrate are bonded is controlled selectively, so that only the micro-light-emitting diode devices desired to be detached from the mother substrate or the temporary substrate are detached from the mother substrate or the temporary substrate using vacuum suction force and then transferred to a target substrate

Abstract: A termination circuit is provided. The termination device includes terminals configured to receive a corresponding signal; unit circuits respectively connected to the terminals, the unit circuits each including a unit resistor and a unit switch element connected to each other in series; common mode capacitors; first switch elements respectively connected between each of the unit circuits and a first corresponding common mode capacitor of common mode capacitors, each of the first switch elements being configured to turn on when the corresponding signal is received in a first mode; and second switch elements respectively connected between each of the unit circuits and a second corresponding common mode capacitor of the common mode capacitors, the second switch elements being configured to turn on when the corresponding signal is received in a second mode different from the first mode.

Abstract: A thin-film transistor substrate may include a first thin-film transistor and a second thin-film transistor which are disposed on a substrate. The first thin-film transistor may include a first semiconductor layer, a first gate electrode, and a first electrode. The second thin-film transistor may include a second semiconductor layer disposed on the first semiconductor layer and overlapping at least a portion of the first semiconductor layer, a second gate electrode, and a second electrode electrically connected to the first electrode. The second electrode may overlap the first electrode.

Abstract: The present invention relates to a catalyst system for olefin oligomerization, and a method for oligomerizing olefins using the same. The catalyst system for olefin oligomerization according to the present invention exhibits high selectivity to 1-hexene and 1-octene while having excellent catalytic activity, thereby enabling more efficient preparation of alpha-olefins.

Abstract: The present invention provides a method for preparing hierarchical zeolite and hierarchical zeolite prepared thereby. The method includes the steps of: carrying out a reaction of a mixture containing water, a silica precursor, an alumina precursor, a pH adjustment material, at least one structure-inducing material, and at least one surfactant; and carrying out drying and heat treatment. The structure-inducing material and the surfactant have different carbon atoms while the surfactant has more carbon atoms than the structure-inducing material.

Abstract: A pixel includes: a first driver connected to a first driving data line; a second driver connected to a second driving data line; and an organic light emitting diode (OLED) connected to the first driver and the second driver, the OLED to emit light in response to a data signal supplied to the first driving data line when the first driver is driven, and to emit light in response to a data signal supplied to the second driving data line when the second driver is driven.

Abstract: An organic light-emitting display device including a substrate on which a display area is provided, the display area including a central display area including a first pixel unit, a first edge display area extending from the central display area along a first direction, and a second edge display area including a second pixel unit and extending from the central display area along a second direction that intersects the first direction, and a first signal wiring unit overlapping with the first and second edge display areas, the first signal wiring unit being configured to provide a first scan signal having a first turn-on period to the first pixel unit and to provide a second scan signal having a second turn-on period to the second pixel unit, wherein the first edge display area is bent along a first bending line, which extends along the first direction.

Abstract: A display device includes a display part including an organic light emitting diode (OLED) connected to a pixel circuit connected to a scan line and a sensing scan line, a signal generator configured to generate at least one display output enable (OE) signal during an image display period; and generate at least one sensing OE signal during a sensing period; and a scan driver including a display scan signal terminal connected to the scan line and a sensing scan signal terminal connected to the sensing scan line, wherein the scan driver is configured to: generate a scan signal for turning on the switching transistor in response to the display OE signal during the image display period; and generate a sensing scan signal for turning on the sensing transistor in response to the sensing OE signal during the sensing period.

Abstract: An organic light emitting display device including a scan driver configured to supply scan signals to scan lines, and configured to supply emission control signals to emission control lines, a data driver configured to supply data signals to data lines, pixels respectively including driving transistors configured to be initialized by a voltage of an initializing power source, an initializing power source generator configured to supply the voltage of the initializing power source to an initializing power source line commonly connected to the pixels, and a timing controller configured to control the scan driver, the data driver, and the initializing power source generator, wherein the initializing power source generator is configured to supply the initializing power source having different voltages during a first period in which the scan signals are supplied, and during a second period of a low frequency driving period in which the scan signals are not supplied.

Abstract: A display panel includes a plurality of gate lines extending in a first direction and including first and second gate lines adjacent to each other. A plurality of data lines extends in a second direction that crosses the first direction and includes first and second data lines adjacent to each other. A plurality of sub-pixels are arranged in a matrix configuration, each row of the matrix being disposed between two adjacent gate lines, from among the plurality of gate lines, each column of the matrix being disposed between two adjacent data lines, from among the plurality of data lines. The plurality of sub-pixels includes first column sub-pixels disposed on a first column of the matrix and connected to the first data line. Second column sub-pixels are disposed on a second column of the matrix and are connected to the second data line, the second column being adjacent to the first column.

Abstract: The present disclosure provides a method for transferring a semiconductor device using a micro-vacuum module, wherein the micro-vacuum module includes: a vacuum-forming substrate having a plurality of through-holes, which are connected to an external pump module and a vacuum control unit, formed; and a pattern-forming unit equipped with a single channel or a plurality of independent channels, which is coupled to the vacuum-forming substrate, wherein the plurality of channels are formed to be communicated respectively to a plurality of vacuum holes which have a smaller size than the size of a semiconductor device to be transferred, and the plurality of vacuum holes, having a diameter smaller than 100 ?m, are contacted to a micro semiconductor device having a width and a length of 100 ?m or smaller and the micro semiconductor device is transferred using vacuum adsorption.

Abstract: A gate driver includes a plurality of shift registers and a plurality of connection controllers. The shift registers are connected to a plurality of gate lines of a stretchable display panel, respectively. The shift registers are grouped into a plurality of shift register groups. N adjacent shift registers constitute each of the shift register groups, where N is an integer greater than or equal to 2. The connection controllers change a connection structure of the N adjacent shift registers included in the each of the shift register groups according to whether the stretchable display panel is stretched.

Abstract: The boron nitride nanostructure according to an embodiment of the present invention forms defects through surface modification and incorporates the metallic nanoparticles on the surface defects.

Abstract: A method of motion estimation includes obtaining motion vectors of blocks in a plurality of frames corresponding to a block to be motion estimated, determining whether the obtained motion vectors of the blocks are converged by comparing the obtained motion vectors of the blocks, calculating motion vector dispersity of adjacent blocks of the block to be motion estimated in a state in which the motion vectors are converged, and setting a size of a search range so as to correspond to the calculated motion vector dispersity of the adjacent blocks.

Abstract: A display device includes: a display unit including a plurality of pixels connected with data lines and scan lines with different lengths; a data driver configured to supply a data signal to the data lines; a scan driver configured to supply a scan signal to the scan lines; and a timing controller controlling the data driver to supply the data signal to the data lines at different output timings according to a position of a scan line to which the scan signal is supplied.

Abstract: The present disclosure relates to a refrigerator and a hinge for a door of the refrigerator. In accordance with an aspect of the disclosure, there may be provided a refrigerator, including a main body having a storage space capable of storing food, a door configured to selectively open and close or shield the storage space of the main body, and a hinge rotatably fixing the door to the main body, wherein the hinge includes a lower hinge plate fixed to the main body, an upper hinge plate connected to the lower hinge plate, coupled to the door and including a pivot configured to enable the door to rotate, and a connection part connecting the upper hinge plate and the lower hinge plate and enabling the upper hinge to rotate with respect to the lower hinge plate.