Abstract: The present invention relates to a piezoelectric ceramic stacked structure, and the piezoelectric ceramic stacked structure includes at least one first layer including a KNN-based ceramic; and at least one second layer including a BFO-based ceramic, wherein a ratio of a number (n1) of the first layers stacked to a number (n2) of the second layers stacked in the piezoelectric ceramic stacked structure satisfies Equation (1) below: 0.8×|q|/|p|?n1/n2?1.2×|q|/|p|??(1) (Equation (1) is as defined in the Description).

Abstract: The present disclosure relates to a plurality of host materials, organic electroluminescent compounds, and organic electroluminescent devices comprising the same. By comprising specific combinations of compounds according to the present disclosure as the plurality of host materials or by comprising a compound according to the present disclosure, it is possible to provide organic electroluminescent devices having improved lifespan characteristics compared to conventional organic electroluminescent devices.

Abstract: A display device includes a substrate including a display area and a peripheral area disposed around the display area. The peripheral area includes a bending region and a contact region adjacent to the bending region. A first connection line includes a first portion disposed in the contact region, and a second portion disposed in both the bending region and the contact region, and including a first layer and a second layer. At least part of the second layer of the second portion overlaps the first layer of the second portion. In the contact region, the first layer of the second portion is electrically connected to the first portion, and the second layer of the second portion is electrically connected to the first layer of the second portion.

Abstract: The present disclosure relates to a plurality of host materials, an organic electroluminescent compound, and an organic electroluminescent device comprising the same. An organic electroluminescent device having improved driving voltage, luminous efficiency, and/or lifespan properties compared to a conventional organic electroluminescent device can be provided by including the specific combination of compounds according to the present disclosure as a plurality of host materials or by including the compound according to the present disclosure.

Abstract: The present disclosure relates to a plurality of host materials comprising a first host material comprising at least one compound represented by formula 1 and a second host material comprising at least one compound represented by formula 2, and an organic electroluminescent device comprising the same. An organic electroluminescent device having significantly improved lifetime properties is provided by comprising a specific combination of compounds according to the present disclosure as host materials.

Abstract: A display device includes a substrate having a pixel area and a peripheral area, a plurality of pixels disposed on the substrate in the pixel area, a plurality of data lines that supply a plurality of data signals to the pixels, a plurality of scan lines that supply a plurality of scan signals to the pixels, a plurality of power supply lines that supply a first voltage to the pixels, and first through third insulating layers. The first insulating layer is disposed on the substrate, the second insulating layer is disposed on the first insulating layer, and the third insulating layer is disposed on the second insulating layer. The scan lines are disposed below the third insulating layer on the substrate in the pixel area, and are disposed on the third insulating layer in the peripheral area.

Abstract: A method of manufacturing environmentally friendly interior and exterior building materials, includes: preparing agricultural waste of a lignocellulose-containing herbaceous plant; and subjecting the agricultural waste to immersion treatment using a functional immersion solution prepared by mixing purified water, an organic acid or an alkali salt thereof, and a composite natural extract and stirring the mixture.

Abstract: Disclosed is a toxicity evaluation system including a chip including a passage, in which a sample flows, and a plurality of recesses provided on the passage, and that traps objects included in the sample, and a pump that injects the sample into the chip. Each of the plurality of recesses has a size, by which one spawn included in the sample is trapped.

Abstract: Provided are an analytical method of providing an information for diagnosis of a patient who exhibits a response to preoperative chemoradiotherapy in a rectal cancer patient, wherein the expression levels of nine genes, i.e., FGFR3, GNA11, H3F3A, IL12A, IL1R1, IL2RB, NKD1, SGK2, and SPRY2 genes, is analyzed in combination, in carcinoma tissues of a rectal cancer patient, the response (susceptibility) to preoperative chemoradiotherapy can be predicted with high accuracy, and therefore the combination of said genes can be usefully applied as a biomarker for selecting a rectal cancer patient who exhibits a response to preoperative chemoradiotherapy.

Abstract: The present invention relates to a scalp cupping device, an electronic cupping device system having same, and a use method therefor. The scalp cupping device, according to the present invention, for discharging body waste by using a negative-pressure load obtaining suction force from the removal of the inner air thereof can comprise: a negative pressure-controlling main cup having a negative pressure adjustment means provided at the upper side thereof so as to apply a negative-pressure load to the inside thereof; and a body contact auxiliary cup which is inserted into and coupled to the opened lower portion of the main cup, and which has, on the circumference of the bottom opening thereof, a contact portion for coming in contact with the body.

Abstract: Embodiments of the present invention relate to nanoemulsions, the use thereof and preparation method thereof wherein the nanoemulsion contains a crosspolymer comprising at least one of a polyacrylic acid chain and a derivative of the polyacrylic acid chain; and polyoxypropylene-polyoxyethylene compound. According to one embodiment, the nanoemulsion forms a droplet with a diameter in the range of about 43 nm to about 96 nm.

Abstract: A heat therapy device and therapy system is provided comprising a plurality of acupressure knobs having superconductive and far-infrared emitting material attached to it. This therapy device is slightly bent up at both ends for comforting the patients. The therapy system is configured more than one therapy device comprising: upper and lower bodies, control boxes, upper control panels connected to the upper control boxes, motors installed under the upper and lower bodies, pulleys installed at the opposite the motors, upper and lower rails installed between the motors and pulleys, timing belts positioned between the upper rails and the lower rails that directly connected to the motors and pulleys; upper and lower mobile units coupled with the timing belts and seated on the upper and lower rails, each mobile unit installed with the multiple heat therapy devices, and other heat therapy devices formed the left and right sides of upper rails.

Abstract: Disclosed herein is a heat therapy device and a heat therapy system using the same. The heat therapy device of the present invention is provided at its upper surface with a plurality of acupressure knobs, which are attached with a superconductive and far-infrared emitting material, respectively. Both side end portions of the heat therapy device are curved upwardly at a certain angle and provided with handles, respectively.

Abstract: A method for the deposition of a diamond film, which includes the steps of immersing metallic or nonmetallic substrate in and electroless nickel plating bath containing a reducing agent to form a nickel layer; and depositing the diamond film on the electroless nickel plated substrate. As a result, employing electroless plating to form an inter layer is improved. In addition, the diamond film can be formed regardless of the type of materials used.