Abstract: Disclosed is a speech synthesis method including acquiring second speech data and a target text, acquiring first information includes embedding information corresponding to the second speech data, acquiring second information including embedding information of the second speech data, the embedding information in relation with components generated based on a sequence of the target text, and acquiring audio data corresponding to the target text and reflecting characteristics of speech of a speaker based on the first information and the second information.

Abstract: A method of manufacturing a vehicle chassis part capable of increasing bonding strength between a cast material and an extruded material forming the chassis part is proposed. The method includes: forming a pattern portion for bonding to a cast material on an outer surface of an extruded material; inserting and fixing the extruded material into which the pattern portion is formed, in a mold for molding the cast material; and injecting molten metal for molding the cast material into the mold to form the cast material. A portion of the cast material overlaps the pattern portion of the extruded material to be formed integrally therewith.

Abstract: A refrigerator includes a main body, a first storage chamber and a second storage chamber provided inside the main body with front sides thereof open. An evaporator is arranged inside the main body and is configured to generate cold air and arranged behind the first storage chamber. A first duct is configured to supply the cold air generated from the evaporator to the first storage chamber and a second duct is configured to supply cold air to the second storage chamber. A connection duct is configured to connect the first duct and the second duct to cause the cold air inside the first duct to flow into the second duct, and a damper is configured to selectively open and close the connection duct. The damper is provided inside the first duct, and the second duct has a flat front surface.

Abstract: A display device may include: a first data line electrically connected to a first thin film transistor; a first pixel electrode electrically connected with the first thin film transistor; a second data line electrically connected to a second thin film transistor; a second pixel electrode electrically connected with the second thin film transistor; a first touch sensing electrode corresponding to the first pixel electrode and insulated from the first pixel electrode; a second touch sensing electrode corresponding to the second pixel electrode and insulated from the second pixel electrode; a first sensing line electrically connected with the first touch sensing electrode; and a second sensing line electrically connected with the second touch sensing electrode, wherein the first data line overlaps with the first touch sensing electrode and the second touch sensing electrode, and the second data line overlaps with the first touch sensing electrode and the second touch sensing electrode.

Abstract: A positive electrode active material precursor includes Ni and Mn and secondary particles formed by the aggregation of a plurality of primary particles. The secondary particles have a ratio of a core area to a total area of the particles ranging from 28.7% to 34.1%, and a porosity ranging from 11.3% to 11.7%. Also provided is a method for preparing the positive electrode active material precursor. Additionally, a positive electrode active material including a reaction product of the positive electrode active material precursor and a lithium raw material is provided. Also provided is a method for preparing a positive electrode active material using the positive electrode active material precursor.

Abstract: The present invention relates to a oxygen-free direct conversion of methane reactor and a method for producing ethylene using the same. More specifically, the invention provides a oxygen-free direct conversion of methane reactor and a method for producing ethylene from methane, wherein the reactor is selectively heated to save energy, prevent overheating with high responsiveness, and minimize coke formation, thereby achieving high methane conversion rate and high ethylene yield at a high reaction rate. The method also allows for the production of ethylene and aromatic compounds.

Abstract: The present invention relates to a nonoxidative methane direct converting reactor and a preparation method of ethylene and aromatic compound using the same and, more specifically, to a nonoxidative methane direct converting reactor and a preparation method of ethylene and aromatic compound using the same, wherein the reactor maximizes a catalytic reaction rate, minimizes cokes production, and provides a high conversion rate of methane and a high yield of ethylene and an aromatic compound even at a low hydrogen supply ratio in the production of ethylene and an aromatic compound from methane.

Abstract: Disclosed is an LCD device which realizes decreased thickness, simplified process, and decreased cost by using a common electrode for formation of electric field to drive liquid crystal as a sensing electrode, and removing a touch screen from an upper surface of the liquid crystal panel, the LCD device comprising gate and data lines crossing each other to define plural pixels on a lower substrate; a pixel electrode in each of the plural pixels; plural common electrode blocks patterned at the different layer from the pixel electrode, wherein the common electrode blocks, together with the pixel electrode, forms an electric field, and senses a user's touch; and plural sensing lines electrically connected with the common electrode blocks, wherein, if the sensing line is electrically connected with one of the common electrode blocks, the sensing line is insulated from the remaining common electrode blocks.

Abstract: A method of preparing a bimodal positive electrode active material precursor and a positive electrode active material prepared from the same are disclosed herein. In some embodiments, the method includes inputting a first reaction source material including a first aqueous transition metal solution into a reactor, precipitating at pH 12 or more to induce nucleation of a first positive electrode active material precursor particle, and at less than pH 12 to induce growth of the same, inputting a second reaction source material including a second aqueous transition metal solution into the reactor containing the first positive electrode active material precursor particle, precipitating at pH 12 or more to induce the nucleation of a second positive electrode active material precursor particle, and at less than pH 12 to induce simultaneous growth of the first and second positive electrode active material precursor particles, thereby preparing a bimodal positive electrode active material precursor.

Abstract: A display apparatus may include a display panel configured to display an image, a plate disposed on a rear surface of the display panel, a heat dissipation member disposed on a rear surface of the plate and having a first hole, and an adhesive member disposed between the plate and the heat dissipation member and having a second hole. The heat dissipation member may include a body part and a pattern part.

Abstract: A closed type arterial blood collection apparatus is disclosed. The closed type arterial blood collection apparatus includes a saline bag provided at a lower end thereof with a first port and a second port, an A line configured to connect an arterial blood vessel of a patient to the first port, a first three-way valve configured to open and close the A line, a blood collection unit configured to collect arterial blood through the first three-way valve, a second three-way valve provided between the first three-way valve and the first port, the second three-way valve being configured to open and close the A line, a guide tube configured to connect the second three-way valve to the second port, and a fluid conveying means configured to convey a fluid in the guide tube when the A line and the guide tube are connected to each other.

Abstract: A printed circuit board according to an embodiment comprises: a substrate comprising at least two insulating layers; pads arranged on the substrate; heat dissipation vias arranged to pass through the substrate in a region of the substrate which vertically overlaps the pads; and through vias arranged to pass through the substrate in a region of the substrate which does not vertically overlap the pads, wherein each heat dissipation via includes a plurality of via parts which are spaced apart from each other in at least one of the at least two insulating layers, the upper surface of each of the plurality of via parts has a first horizontal width in a first direction that is smaller than a second horizontal width thereof in a second direction different from the first direction, and the plurality of via parts have a surface area corresponding to 10% or greater of the surface area of the pads.

Abstract: The present disclosure relates to a catalyst for direct nonoxidative conversion of methane and a method of preparing the same, and more particularly to a method of preparing a catalyst for direct nonoxidative conversion of methane, in which a catalyst optimized for the direct conversion reaction of methane can be easily prepared without precise control of the reaction conditions for direct conversion of methane, thereby simultaneously maximizing the catalytic reaction rate and minimizing coke formation, and exhibiting stable catalytic performance even after long-term operation, and to a catalyst for direct nonoxidative conversion of methane prepared using the above method.

Abstract: A method of preparing a bimodal positive electrode active material precursor and a positive electrode active material prepared from the same are disclosed herein. In some embodiments, the method includes inputting a first reaction source material including a first aqueous transition metal solution into a reactor, precipitating at pH 12 or more to induce nucleation of a first positive electrode active material precursor particle, and at less than pH 12 to induce growth of the same, inputting a second reaction source material including a second aqueous transition metal solution into the reactor containing the first positive electrode active material precursor particle, precipitating at pH 12 or more to induce the nucleation of a second positive electrode active material precursor particle, and at less than pH 12 to induce simultaneous growth of the first and second positive electrode active material precursor particles, thereby preparing a bimodal positive electrode active material precursor.

Abstract: An optical path control member according to an embodiment comprises: a first substrate; a first electrode arranged on the upper surface of the first substrate; a second substrate arranged on top of the first substrate; a second electrode arranged on the lower surface of the second substrate; and an optical conversion unit which is arranged between the first electrode and the second electrode and which defines a first direction and a second direction, wherein the optical conversion unit comprises a partition part and an accommodation part that are alternately arranged in the first direction, the accommodation part includes a plurality of cells arranged to be spaced in the second direction, at least one of the cells includes a first inner side surface and a second inner side surface that are connected to each other, and the first inner side surface and/or the second inner side surface extends in a direction other than the first and second directions.

Abstract: The present disclosure relates to a method for non-oxidative direct conversion of methane. Specifically, in the method, a methane/hydrogen gas is introduced into an Inconel 600 reactor at a superficial velocity of 100 to 200 cm·min?1 and a catalyst is not externally introduced into the reactor. Under the conditions, a non-oxidative direct methane conversion reaction is performed in the Inconel 600 reactor. The method maximizes the reaction rate, minimizes coke formation, and increases the yields of C2 hydrocarbon compounds and aromatic compounds.

Abstract: A refrigerator according to one embodiment of the present invention comprises: a main body; a first storage chamber and a second storage chamber provided in the main body so that the front surfaces thereof are opened; an evaporator which is disposed inside the main body and which generates cold air; a first duct for supplying the cold air to the first storage chamber; a second duct for supplying the cold air to the second storage chamber; and a connecting duct for connecting the first duct and the second duct so as to allow the cold air generated by the evaporator to flow to the second duct, wherein the second duct includes a connecting port connected to the connecting duct, a discharge port through which the cold air is discharged, a discharge path for connecting the connecting port and the discharge port, and a connecting path for connecting the inside of the second storage chamber and the discharge path, the discharge path includes a minimum region in which the cross sectional area thereof in a vertical di

Abstract: Disclosed is a method for preparing a reduced graphene oxide-magnesium nanocrystal composite. The method includes contacting graphene oxide with a first reducing agent to prepare a reduced graphene oxide, and co-reducing the reduced graphene oxide and a precursor of magnesium in the presence of a second reducing agent to prepare a reduced graphene oxide-magnesium nanocrystal composite, wherein by adjusting the amount of the first reducing agent in contact with the graphene oxide, the size of the magnesium nanocrystals in the composite may be controlled.

Abstract: Provided is a refrigerator including a main body, a first storage chamber and a second storage chamber provided inside the main body with front sides thereof open, an evaporator, while being arranged inside the main body, configured to generate cold air and arranged behind the first storage chamber, a first duct configured to supply the cold air generated from the evaporator to the first storage chamber, a second duct configured to supply cold air to the second storage chamber, and a connection duct configured to connect the first duct and the second duct to cause the cold air inside the first duct to flow into the second duct, and a damper configured to selectively open and dose the connection duct, wherein the damper is provided inside the first duct, and the second duct has a front surface in a form of a flat surface.

Abstract: Disclosed is a touch sensitive display apparatus which decreases a load of each of a plurality of touch electrodes and reduces a load deviation between the plurality of touch electrodes, thereby enhancing image quality. The touch sensitive display apparatus comprises a touch sensitive panel. The touch panel comprises a plurality of touch electrodes comprising at least a first touch electrode. The first touch electrode comprises a plurality of first touch electrode lines that are parallel to each other. A first touch signal line is connected to the plurality of first touch electrode lines of the first touch electrode, and the first touch electrode is driven for image display and touch sensing via the first touch signal line. A first connecting line is in a different layer than the first touch electrode lines, and the first connecting line is connected to the plurality of first touch electrode lines.