Abstract: An electrostatic chuck unit includes a first electrostatic chuck that includes a first plate that includes a surface that is concavely curved in a first direction and a first electrode pattern disposed on the surface of the first plate, and a second electrostatic chuck spaced apart from the first electrostatic chuck in a second direction opposite to the first direction and that includes a second plate that includes a surface adjacent to the first electrostatic chuck and that is convexly curved in the first direction and a second electrode pattern disposed on the surface of the second plate. Each of the first electrode pattern and the second electrode pattern includes an electrode, and a width of the electrode is between 10 mm and 30 mm.

Abstract: A disclosed display apparatus may include a first electrode on a substrate, a light emitting layer on the first electrode, a second electrode on the light emitting layer, and an encapsulation layer covering the second electrode. The encapsulation layer may include a plurality of metal patterns spaced apart from one another.

Abstract: The present invention relates to a tandem warhead including a precursor neutralizing an explosive reactive armor, which is an additional armor of tanks, without detonating it and a main warhead configured to destroy a main armor, and more particularly to a non-initiating tandem warhead with a precursor forming powder jet against the explosive reactive armor, the powder jet leaving behind no residue of the precursor jet to maximize the penetration capability of the main warhead jet.

Abstract: The present disclosure relates to semiconductor devices. One example semiconductor device comprises a substrate that includes a first active pattern, a first source/drain pattern, a second source/drain pattern, and a third source/drain pattern on the first active patter, a first separation structure between the first source/drain pattern and the second source/drain pattern, and a second separation structure between the second source/drain pattern and the third source/drain pattern. The first active pattern includes a first active portion that overlaps the first source/drain pattern, a second active portion that overlaps the second source/drain pattern, a third active portion that overlaps the third source/drain pattern, a first intervening portion between the first active portion and the second active portion, and a second intervening portion between the second active portion and the third active portion.

Abstract: A xylylene diisocyanate (XDI) composition according to exemplary embodiments includes xylylene diisocyanate and an acidity regulator having a boiling point of 110° C. or higher, and the composition has an acidity of greater than 100 ppm and 1,000 ppm or less based on a total weight of the xylylene diisocyanate (XDI). An optical lens having a high transmittance and improved optical uniformity can be manufactured by controlling a polymerization reaction rate through acidity adjustment.

Abstract: A polythiol composition according to exemplary embodiments includes a first polythiol compound and a second polythiol compound having a molecular weight greater than that of the first polythiol compound and the number of functional groups greater than or equal to the number of functional groups of the first polythiol compound. A content of the second polythiol compound is 500 ppm to 20,000 ppm based on a weight of the first polythiol compound. The reaction rate of an isocyanate-based compound may be controlled through the second polythiol compound, thus to suppress a stria phenomenon and improve mechanical properties of an optical product.

Abstract: An alignment device includes: a first stage; a plurality of base plates disposed on the first stage and on which a material is placed; and a plurality of second stages disposed under the first stage, and connected to the plurality of base plates, respectively, and capable of aligning each of the plurality of base plates in X, Y, and ? directions.

Abstract: A polythiol composition according to exemplary embodiments includes: a polythiol-based compound; and a benzyl halide-based reaction regulator in an amount of 10 ppm to 2,000 ppm based on a weight of the polythiol-based compound. The reaction rate of the polythiol-based compound and an isocyanate-based compound may be controlled through the reaction regulator to inhibit a generation of stria phenomenon.

Abstract: A polythiol composition according to exemplary embodiments includes a first polythiol compound which provides a maximum peak in a high performance liquid chromatography (HPLC) analysis graph obtained at a wavelength of 230 nm, and a second polythiol compound having a molecular weight greater than that of the first polythiol compound and represented by C9H20S6. A ratio of a peak area of the second polythiol compound to a peak area of the first polythiol compound, which are measured through the HPLC analysis graph at the wavelength of 230 nm, is 0.05 to 5.0%.

Abstract: A xylylene diisocyanate composition according to exemplary embodiments includes xylylene diisocyanate (XDI) and chloromethylbenzyl isocyanate (CBI), and may satisfy a predetermined relationship between an acidity and a content of CBI. Thereby, an optical lens having a high transmittance and improved optical uniformity can be manufactured by controlling a polymerization reaction rate.

Abstract: A polythiol composition according to exemplary embodiments includes a main polythiol compound and a sub-compound having a molecular weight higher than that of the main polythiol compound. A peak area (%) at retention times ranging from 34 to 40 minutes in the high performance liquid chromatography (HPLC) analysis graph obtained at a wavelength of 230 nm, which corresponds to the sub-compound, is 2.5% or less. An optical product having improved transmittance and optical properties may be manufactured through fine adjustment of the sub-compound.

Abstract: A polythiol composition according to exemplary embodiments includes at least two different polythiol-based compounds, wherein a peak area (%) of the polythiol compound represented by C8H18S6, which is measured through a high performance liquid chromatographic (HPLC) analysis graph obtained at a wavelength of 230 nm, ranges from 0.90% to 1.30%. By controlling the sub-polythiol compound, an optical product having excellent transmittance and optical properties can be manufactured.

Abstract: A polythiol composition according to exemplary examples includes a tetrafunctional polythiol compound, and a sub-polythiol compound including a compound represented by C13H28S9 and a compound represented by C15H32S10. A ratio of the sub-polythiol compound measured through a high performance liquid chromatography (HPLC) analysis graph is 1% to 5%. By adjusting the content of the sub-polythiol compound, it is possible to manufacture an optical product having excellent transmittance and optical properties.

Abstract: A step of extracting components of one or more frequency bands from a first section of an EEG; a step of calculating a first index for each of the components of one or more frequency bands, wherein the first index is calculated based on a degree to which a magnitude of each of the components of one or more frequency bands with respect to a magnitude of a predetermined reference component in the first section exceeds a predetermined threshold value; a step of calculating a probability value for each of one or more patient statuses from the first index for each of the components of one or more frequency bands using a trained artificial neural network; and a step of determining the consciousness level of the patient based on the probability value for each of the one or more calculated patient statuses.

Abstract: The xylylene diisocyanate composition according to exemplary examples includes xylylene diisocyanate (XDI), and an acidity adjusting agent having a boiling point of 110° C. or higher, wherein the composition has an acidity of more than 100 ppm and 1,000 ppm or less based on a total weight of xylylene diisocyanate (XDI). A polymerization reaction rate is controlled through regulation of the acidity so that an optical lens having high transmittance and improved optical uniformity may be manufactured.

Abstract: A polymerizable composition according to an embodiment includes a first polymerizable compound including isophorone diisocyanate and hexamethylene diisocyanate, and a second polymerizable compound including 4-mercaptomethyl-3,6-dithia-1,8-octanedithiol and pentaerythritol tetrakis(mercaptoacetate). An optical material which is fabricated from the polymerizable composition and has improved optical, mechanical and thermal properties is provided.

Abstract: The present disclosure relates to an acupoint stimulation device and an acupoint stimulation method using the same. The acupoint stimulation device includes: a power supply unit configured to supply power; a controller configured to generate an electrical stimulus signal applied to a skin of the subject; and an electrical stimulation unit including two or more electrodes configured to receive power from the power supply unit and to supply the stimulus signal to the acupoint area, wherein the electrodes are arranged in a state of being electrically insulated from each other and are in electrical contact with the skin of the subject. Thereby, it is possible to provide an appropriate amount of stimulation required for treatment and symptom relief by providing stimulation to an accurate acupoint position.

Abstract: A disclosed display apparatus may include a first electrode on a substrate, a light emitting layer on the first electrode, a second electrode on the light emitting layer, and an encapsulation layer covering the second electrode. The encapsulation layer may include a plurality of metal patterns spaced apart from one another.

Abstract: The cleat of the present invention integrated with a shoe has a dual structure of a movable upper part and a fixed lower part, so that an effect is achieved in that a rider moves a pedal shaft on the flat ground and the inclined ground by simply moving the shoe. It is convenient to switch between a first stage mode and a second stage mode on the flat ground by simply changing the location of a foot while riding the bicycle. Records can be renewed significantly efficiently by appropriately distributing power according to the terrain without wasting time during a game.

Abstract: A bonding device includes an upper chamber a pad with which a display substrate is pressable to a substrate; a stage between a lower chamber and the pad and including an opening through which air is introduced; a molding member between an upper chamber and the pad and surrounding the pad and the opening; and a support member connected to the stage The display substrate disposed on the molding member disposes first and second portions of the display substrate overlapping the planar and bending portions of the substrate, respectively, the molding member presses the first portion to the planar portion, and air introduced through the opening, expands the molding member to press the second portion to the bending portion.