Abstract: Provided are a polyamic acid resin, a polyamideimide film, and a method for preparing the same. More specifically, provided are a polyamic acid resin derived from a combination of specific components, a polyamideimide film capable of implementing high modulus and excellent optical properties while implementing excellent mechanical properties, heat properties, and electrical properties, and a method for preparing the same.

Abstract: Disclosed are a tailor welded blank and a manufacturing method thereof. The tailor welded blank is manufactured by connecting blank elements of different materials or thicknesses, thereby eliminating quality problems in a welded zone. A hot stamped component is manufactured by hot stamping the tailor welded blank formed by laser-welding blank elements made of coated steel plates having different strengths or thicknesses using a filler wire, wherein a laser-welded zone has a martensite structure.

Abstract: A display device can include a display panel displaying an image, a first frame surrounding the display panel, a backlight unit under the display panel, and an adhesive between a side surface of the display panel and a side surface of the first frame. Also, the display panel is attached and fixed to the first frame by the adhesive.

Abstract: There is provided a vibration generating device including: a housing having an internal space; a base member installed in the housing to be disposed in a central portion of the housing; a first plate installed on the base member; a first piezoelectric element installed on an upper surface of the first plate; a second piezoelectric element disposed to face the first piezoelectric element through a connection member; a second plate installed on the second piezoelectric element; and a vibration amplifying part installed on an upper surface of the second plate.

Abstract: An apparatus for charging a wearable electronic device includes a first power terminal and a second power terminal to which predetermined voltage values are applied, respectively and a first ground terminal and a second ground terminal. The first power terminal and the first ground terminal are arranged in a first direction with respect to a first axis. The second power terminal and the second ground terminal are arranged in a second direction opposite to the first direction with respect to the first axis. The wearable electronic device is charged through the first power terminal and the first ground terminal when the wearable electronic device is placed on the apparatus in the first direction. The wearable electronic device is charged through the second power terminal and the second ground terminal when the wearable electronic device is placed on the apparatus in the second direction.

Abstract: Provided are a polyamic acid composition, a polyamideimide film thereof, and a method for preparing the polyamideimide film. More specifically, provided are a polyamideimide film capable of implementing excellent optical properties in addition to inherent physical properties of polyimide by using a polyamic acid composition including a combination of specific components, and a method for preparing the polyamideimide film.

Abstract: An organic light emitting diode display including: a display panel; a first retarder on the display panel and including a first reactive liquid crystal; a second retarder on the first retarder and including a second reactive liquid crystal; and a polarizer on the second retarder, wherein a first optical axis of the first reactive liquid crystal is inclined by 2?+45° relative to an absorption axis of the polarizer, and a second optical axis of the second reactive liquid crystal is inclined by ? relative to the absorption axis of the polarizer.

Abstract: A liquid crystal display device includes a liquid crystal panel including first and second substrates and a liquid crystal layer between the first and second substrates; a backlight unit under the liquid crystal panel; a bottom frame including a horizontal surface and first, second, third, and fourth side surfaces, the first side surface corresponding to a first edge of the liquid crystal panel and being opposite to the second side surface, wherein the liquid crystal panel has a size larger than the bottom frame such that a side of the liquid crystal panel protrudes beyond the bottom frame; a main frame including a first guide portion corresponding to the first edge and a second guide portion corresponding a second edge of the liquid crystal panel opposite to the first edge; and an adhesive covering the side of the liquid crystal panel and an outer side of the third and fourth side surfaces.

Abstract: There is provided a vibration generating device including: a piezoelectric element which is deformed when power is applied thereto; an installation member below which the piezoelectric element is installed; a weight fixedly installed below the installation member to be disposed below the piezoelectric element; a plurality of elastic members connected to the installation member to change a displacement direction by deformation of the installation member and disposed to face each other; and a damper member fixedly installed on a lower surface of the weight, wherein a thickness of the damper member is determined to allow the damper member to be disposed in a space formed by the plurality of elastic members when the elastic members are driven normally.

Abstract: The present invention relates to a liquid formulation comprising a TNFR-Fc fusion protein and a stabilizer, in which the fusion protein comprises TNFR (tumor necrosis factor receptor) or a fragment thereof and an immunoglobulin Fc region, and the stabilizer comprises one or more amino acids selected from the group consisting of proline and histidine, a buffer solution, and an isotonic agent containing sodium chloride (NaCl) and sucrose, and a preparation method of the liquid formulation. The liquid formulation according to the present invention provides excellent storage stability because long-term storage of TNFR-Fc fusion protein (etanercept) is possible and particular storage conditions are not needed.

Abstract: A manufacturing device for a microneedle includes an upper plate stage, a lower plate stage disposed in horizontally parallel with the upper plate stage, a rotating device configured to rotate and move the upper plate stage over the lower plate stage, and a first cylindrical type actuator configured to vertically move the lower plate stage in a state in which the upper plate stage has been rotated and moved over the lower plate stage by the rotating device. The first cylindrical type actuator may upwardly and downwardly move so as to be able to stretch a viscous composition in a vertical direction in a state in which a contacting to the viscous composition is performed, wherein the viscous composition is applied on both of a patch sheet seated on the upper plate stage and a patch sheet seated on the lower plate stage, or is applied on one of them.

Abstract: The present application describes a device that includes a packaging made of foldable stiff material, which is fastened to a fold-out drape.

Abstract: A manufacturing method of a microstructure includes providing a patch manufacturing sheet formed in a state in which a bottom layer is exposed on an upper part thereof; providing the patch manufacturing sheet on a first process substrate and a second process substrate; spotting a viscous composition at a plurality of positions spaced apart from each other on the bottom layer of the patch manufacturing sheet provided on only the first process substrate, or provided on both of the first process substrate and the second process substrate; contacting the patch manufacturing sheet provided on the second process substrate or the viscous composition to the viscous composition spotted on the patch manufacturing sheet provided on the first process substrate; moving relatively the second process substrate with respect to the first process substrate to stretch the viscous composition and to coagulate the stretched viscous composition; and cutting the coagulated viscous composition.

Abstract: There is provided a vibration generating apparatus including: a housing having an internal space; a vibrating plate fixedly installed in the housing and having a disc shape; a piezoelectric element fixed to the vibrating plate and having a hollow disc shape; and a vibration element vibrating together with the vibrating plate when the piezoelectric element is deformed.

Abstract: A piezoelectric element includes an element layer, an electrode layer including one or more positive electrode layers and one or more negative electrode layers repeatedly stacked to alternate with each other on the element layers in a vertical direction, a primary positive electrode connection member connecting the positive electrode layers, a primary negative electrode connection member connecting the negative electrode layers, at least one secondary positive electrode connection member, at least one secondary negative electrode connection member, and a primary electrode connected to the primary positive electrode connection member and the primary negative electrode connection member and configured of a pair of electrodes, and at least one secondary electrode spaced apart from the primary electrode and configured of a pair of electrodes.

Abstract: Disclosed herein is a piezo vibration module, including: a piezo element having a pattern of an internal electrode printed therein and having an external electrode connected to the internal electrode disposed on an outer surface thereof; a flexible printed circuit board (FPCB) having each terminal and applying power to the external electrodes of the piezo element; and a conductive adhesive interposed between the piezo element and the FPCB to electrically connect the piezo element to the flexible printed circuit board.

Abstract: A liquid crystal display device includes a first polarizing film, a first compensation film on the first polarizing film, the first compensation film including a biaxial film, a second compensation film on the first compensation film, the second compensation film including a negative C-plate film, a substrate on the second compensation film, a liquid crystal layer on the substrate, a second polarizing film on the liquid crystal layer, and a color conversion filter on the second polarizing film.

Abstract: A piezoelectric element includes an element layer, an electrode layer including one or more positive electrode layers and one or more negative electrode layers repeatedly stacked to alternate with each other on the element layers in a vertical direction, a primary positive electrode connection member connecting the positive electrode layers, a primary negative electrode connection member connecting the negative electrode layers, at least one secondary positive electrode connection member, at least one secondary negative electrode connection member, and a primary electrode connected to the primary positive electrode connection member and the primary negative electrode connection member and configured of a pair of electrodes, and at least one secondary electrode spaced apart from the primary electrode and configured of a pair of electrodes.

Abstract: The present invention relates to a liquid formulation comprising a TNFR-Fc fusion protein and a stabilizer, in which the fusion protein comprises TNFR (tumor necrosis factor receptor) or a fragment thereof and an immunoglobulin Fc region, and the stabilizer comprises one or more amino acids selected from the group consisting of proline and histidine, a buffer solution, and an isotonic agent containing sodium chloride (NaCl) and sucrose, and a preparation method of the liquid formulation. The liquid formulation according to the present invention provides excellent storage stability because long-term storage of TNFR-Fc fusion protein (etanercept) is possible and particular storage conditions are not needed.

Abstract: A piezoelectric element includes an element layer, an electrode layer including one or more positive electrode layers and one or more negative electrode layers repeatedly stacked to alternate with each other on the element layers in a vertical direction, a primary positive electrode connection member connecting the positive electrode layers, a primary negative electrode connection member connecting the negative electrode layers, at least one secondary positive electrode connection member, at least one secondary negative electrode connection member, and a primary electrode connected to the primary positive electrode connection member and the primary negative electrode connection member and configured of a pair of electrodes, and at least one secondary electrode spaced apart from the primary electrode and configured of a pair of electrodes.