Abstract: A bulk acoustic wave filter device includes a substrate including an insulating layer, a resonance portion including a bottom electrode, disposed on the substrate, a piezoelectric layer, disposed above at least a portion of the bottom electrode, and a top electrode disposed above at least a portion of the piezoelectric layer, a wiring portion connected to the resonance portion such that the top electrode or the bottom electrode extends into the wiring portion, a connection electrode connecting the top electrode and the bottom electrode to an external device, and a heat transfer member connecting a portion of at least one of the bottom electrode and the top electrode that is disposed in the wiring portion to the substrate. The resonance portion is provided with a cavity disposed below the bottom electrode, and the heat transfer member is disposed outside of the cavity.

Abstract: The present invention relates to a wearable arm exerciser usable while walking and, more specifically, to a wearable arm exerciser usable for walking, including webbing belts passing from a user's chest through the user's shoulders and crossed in an X shape to fasten the overall wearable arm exerciser, left and right elastic strings coupled, in front or behind, to the webbing belts, handles coupled with the elastic strings to produce tension in the elastic strings, and a waist string, for exercising biceps, which is elastic and connected to the handles, wherein as the plurality of elastic strings and the waist string are connected to upper and lower parts, respectively, of the handles, tension may be produced by the elasticity of the waist string when the user moves up and down his arm while walking, contracting and relaxing the biceps, as well as triceps, and thus leading to a maximized upper body exercise effect.

Abstract: A bulk acoustic wave filter device includes a substrate including an insulating layer, a resonance portion including a bottom electrode, disposed on the substrate, a piezoelectric layer, disposed above at least a portion of the bottom electrode, and a top electrode disposed above at least a portion of the piezoelectric layer, a wiring portion connected to the resonance portion such that the top electrode or the bottom electrode extends into the wiring portion, a connection electrode connecting the top electrode and the bottom electrode to an external device, and a heat transfer member connecting a portion of at least one of the bottom electrode and the top electrode that is disposed in the wiring portion to the substrate. The resonance portion is provided with a cavity disposed below the bottom electrode, and the heat transfer member is disposed outside of the cavity.

Abstract: A surface acoustic wave (SAW) filter device includes: a first layer disposed on a substrate; an inter-digital transducer (IDT) electrode layer disposed on the first layer; a second layer covering the IDT electrode layer and the first layer; and an overlay layer covering the second layer, wherein the first layer includes any one or any combination of any two or more of a metal layer, a metal oxide layer, and an oxide layer.

Abstract: A method of preparing hydrophobic porous silica includes reacting a porous silica particle containing a hydrophilic group in a solvent with an organosilane compound under a basic catalyst to form a mixture, drying the mixture comprising the porous silica particle in a vacuum, and condensation reacting the hydrophilic group of the porous silica particle with the organosilane compound on the surface of the porous silica particle to modify the surface of the porous silica particle to be hydrophobic.

Abstract: A method of preparing hydrophobic porous silica includes adding an alcohol to a solvent in which a porous silica particle including a hydrophilic group is dispersed and stirring the same to form a mixture, drying the mixture including the porous silica particle in a vacuum, and condensation reacting the hydrophilic group of the porous silica particle with the alcohol on the surface of the porous silica particle to modify the surface of the porous silica particle to be hydrophobic.

Abstract: The present invention relates to polymer composite particles containing much organic sunscreen agents and a method of preparing the polymer composite particles, and more particularly to polymer composite particles containing much organic sunscreen agents that are spherical polymer composite particles in which solid organic Sunscreen agents are embedded between polymer matrixes by 40 to 50 wt %, include a significantly larger amount of the organic sunscreen agents than polymer composite particles of related art, have excellent light stability despite presence of a large amount of organic sunscreen agents, are superior not only in UV-A region but also UV-B region, are excellent in skin stability and feeling of use when applied to cosmetics, and can significantly improve sunscreen function, and a method of preparing the polymer composite particles.

Abstract: The present invention relates to a liquid drop releasing cosmetic material, and particularly to a cosmetic material of releasing liquid drop by rubbing, which comprises: (a) a card house structure having a space formed with a plate-shaped substance therein; and (b) liquid drop contained in the space of the card house structure. A liquid drop releasing cosmetic material according to the present invention has an excellent visual effect and feeling of use by releasing liquid drop due to rubbing during use and fundamentally solves side effect and antipathy of users due to silicone polymer because it is free from a silicone polymer, and has excellent stability in a cosmetic material of a drop releasing structure.

Abstract: A surface acoustic wave (SAW) filter device includes: a first layer disposed on a substrate; an inter-digital transducer (IDT) electrode layer disposed on the first layer; a second layer covering the IDT electrode layer and the first layer; and an overlay layer covering the second layer, wherein the first layer includes any one or any combination of any two or more of a metal layer, a metal oxide layer, and an oxide layer.

Abstract: A touch sensor includes a transparent substrate, and an electrode pattern formed on the transparent substrate. The electrode pattern is formed by stacking at least two or more electrode layers, thereby enhancing the anti-corrosion and visibility of electrode patterns and ensuring the adhesive reliability of the transparent substrate and the electrode patterns.

Abstract: The present invention relates to a hemispherical polymethylmethacrylate bead, wherein the hemispherical polymethylmethacrylate bead of the invention has high adhesive property and oil absorption when applied to cosmetics, medical supply, household items, display devices, lighting fixtures, and miscellaneous goods and especially, it enables cheerful color when applied to cosmetics in comparison with spherical polymethylmethacrylate beads.

Abstract: There is provided a touch sensor including: a base substrate; a first electrode pattern formed on the base substrate and including first electrode lines repeatedly arranged in parallel with each other; and a second electrode pattern formed on a surface spaced apart from a surface on which the first electrode pattern is formed and including second electrode lines intersecting with the first electrode lines and repeatedly arranged in parallel with each other, wherein an extension line connecting intersection points between the first and second electrode lines to each other is formed as an oblique line with respect to a horizontal direction.

Abstract: A touch panel may include a substrate; a printing part formed on a bezel area of the substrate; and a plurality of electrodes provided on the substrate and the printing part and including conductive wires configuring a plurality of unit cells having a mesh shape. Portions of wires configuring each of the plurality of unit cells overlapped with a boundary line between the substrate and the printing part among the plurality of unit cells are disconnected.

Abstract: Embodiments of the invention provide a touch sensor, including a window substrate, a low reflective layer formed on the window substrate, a first electrode pattern formed on the low reflective layer, an insulating layer formed on the first electrode pattern, and a second electrode pattern formed on the insulating layer and configured to intersect with the first electrode pattern. According to at least one embodiment, the low reflective layer is formed to correspond to a pattern in which the first electrode pattern and the second electrode pattern are overlapped with each other.

Abstract: A touch panel may include a substrate; a printing part formed on a bezel area of the substrate; and a plurality of electrodes provided on the substrate and the printing part and including conductive wires configuring a plurality of unit cells having a mesh shape. Portions of wires configuring each of the plurality of unit cells overlapped with a boundary line between the substrate and the printing part among the plurality of unit cells are disconnected.

Abstract: Disclosed herein are a touch panel and a fabricating method thereof. In the touch panel according to an embodiment of the present invention, a noise shielding layer may be separately formed between a transparent substrate and an electrode pattern, thereby shielding noise that occur from a display coupled to the touch panel. In addition, through a bridge electrode pattern formed by patterning the noise shielding layer and a bridge insulating pattern patterned on an insulating layer formed on the noise shielding layer, a first electrode pattern and a second electrode pattern may be formed on the same plane of the transparent substrate so as to intersect with each other, thereby ensuring reliability of electrical connection between each electrode pattern.

Abstract: A touch panel may include: a substrate having an upper surface and a lower surface; a first electrode layer disposed on the lower surface of the substrate and formed in a mesh shape; a first insulating layer disposed on the lower surface of the substrate and disposed to surround the first electrode layer; a surface reforming layer disposed on a lower surface of the first insulating layer and capable of reforming a hydrophobic surface to a hydrophilic surface; and a second electrode layer disposed on a lower surface of the surface reforming layer and formed in a mesh shape.

Abstract: Embodiments of the invention provide a touch sensor, including a window substrate including a central region and an edge region formed to enclose the central region, a bezel part formed in the edge region on a rear of the window substrate and including at least one bezel layer, an antenna pattern formed in the bezel part and transmitted or received to or from the outside by wireless communication, and a sensor module including an electrode pattern, which is formed on a base substrate and corresponds to the central region and formed on a plane different from the antenna pattern.

Abstract: A touch panel may include: a substrate having an upper surface and a lower surface; a first electrode layer disposed on the lower surface of the substrate and formed in a mesh shape; a first insulating layer disposed on the lower surface of the substrate and disposed to surround the first electrode layer; a surface reforming layer disposed on a lower surface of the first insulating layer and capable of reforming a hydrophobic surface to a hydrophilic surface; and a second electrode layer disposed on a lower surface of the surface reforming layer and formed in a mesh shape.

Abstract: A transparent electrode may include: an electrode layer formed to have a net pattern; and a visibility improvement layer formed on at least one surface of the electrode layer and having a color darker than that of the electrode layer and electrical conductivity.