Abstract: A pressure sensor includes: a base substrate including an embossed pattern; a first conductive layer disposed on the base substrate; a pressure sensitive material layer disposed on the first conductive layer such that its electrical characteristic is varied corresponding to a strain applied thereto, the pressure sensitive material layer including a dielectric and nanoparticles dispersed in the dielectric; and a second conductive layer disposed on the pressure sensitive material layer, wherein the dielectric and the nanoparticle include materials having pyroelectricities of polarities opposite to each other.

Abstract: The present invention provides a random or block polyimide-siloxane copolymer, which may be prepared from a hard amine monomer, a dianhydride monomer, and a soft amine monomer, may have mechanical properties, flexibility, and thermal properties adjusted through the control of soft amine content, and may exhibits high thermal stability, corrosion resistance, transparency and flexibility, and a method for preparing the same. The random or block polyimide-siloxane copolymer, which may be flexible and thermally stable and may exhibits adjustable mechanical properties and skin-like sensory functions, may be applied to flexible electronic devices.

Abstract: A pressure sensor includes: a base substrate including an embossed pattern; a first conductive layer disposed on the base substrate; a pressure sensitive material layer disposed on the first conductive layer such that its electrical characteristic is varied corresponding to a strain applied thereto, the pressure sensitive material layer including a dielectric and nanoparticles dispersed in the dielectric; and a second conductive layer disposed on the pressure sensitive material layer, wherein the dielectric and the nanoparticle include materials having pyroelectricities of polarities opposite to each other.

Abstract: Disclosed are apparatuses, methods, and method of manufacture of a microfluidic device for detecting biomolecules in sweat, and a biosensor patch for detecting biomolecules in sweat, in which the microfluidic device and a biosensor are combined, the device and the patch being capable of detecting various target molecules present in sweat by electrochemical signals and also detecting the concentration of a target molecule.

Abstract: The present invention relates to a fluorescence imaging-based device for detecting microorganisms, a manufacturing method thereof, and a method for detecting microorganisms using the same. The present invention relates to a fluorescence imaging-based device for detecting microorganisms which works with minimal user control and a method for detecting microorganisms, and enables direct observation and counting very few microorganisms within a predetermined fixed detection time.

Abstract: A biochemical detection device with a controlled reaction incubation time includes a substrate; a probe disposed on the substrate; a dissolvable material layer disposed on the substrate, wherein the dissolvable material layer has a first opening defined therein, wherein the probe is received in the first opening; an absorbing material layer disposed on the dissolvable material layer and having a second opening defined therein, wherein the first opening communicates with the second opening and is smaller than the second opening; and a non-dissolvable material layer disposed on an inner face of the second opening of the absorbing material layer and on an exposed top face of the dissolvable material layer.

Abstract: An electronic device comprises a base substrate changing a cross section area corresponding to an external force applied from outside and a sensor changing a cross section area corresponding to the external force applied from outside. The sensor comprises a first electrode disposed on the base substrate, a second electrode disposed on the base substrate, and a dielectric layer disposed between the first electrode and the second electrode. A thickness of the dielectric layer stays substantially the same when a cross sectional area of the base substrate changes.

Abstract: A capacitor structure includes: a first substrate having a first electrode part provided on one surface thereof; a second substrate having a second electrode part provided on a surface thereof, which faces the first substrate; and a dielectric layer provided between the first substrate and the second substrate, wherein a Poisson's ratio of the first substrate or the second substrate is different from a Poisson's ratio of the dielectric layer. The capacitor structure has a substantially constant capacitance even when the capacitor structure is exposed to external strain.

Abstract: Disclosed is a biochemical detection device in which a reaction incubation time required for a biomolecular reaction in a liquid-phase based point-of-care detection reaction device is passively controlled using a dissolvable material layer in a limited volume, thereby to minimize the user intervention. The biochemical detection device includes a substrate; a probe disposed on the substrate; a dissolvable material layer disposed on the substrate, wherein the dissolvable material layer has a first opening defined therein, wherein the probe is received in the first opening; an absorbing material layer disposed on the dissolvable material layer and having a second opening defined therein, wherein the first opening communicates with the second opening and is smaller than the second opening; and a non-dissolvable material layer disposed on an inner face of the second opening of the absorbing material layer and on an exposed top face of the dissolvable material layer.

Abstract: A flexible bimodal sensor includes a gate electrode; a flexible substrate; a source electrode disposed on the flexible substrate; a drain electrode disposed on the flexible substrate apart from the source electrode; a channel layer disposed on the source electrode and the drain electrode and a portion of the flexible substrate between the source electrode and the drain electrode; and a gate insulating layer comprising a plurality of protrusions, the gate insulating layer being disposed on the channel layer and arranged between the channel layer and the gate electrode. The drain electrode outputs a current signal simultaneously indicating a temperature value and a pressure value sensed by the flexible bimodal sensor.

Abstract: A pressure sensor includes: a base substrate including an embossed pattern; a first conductive layer disposed on the base substrate; a pressure sensitive material layer disposed on the first conductive layer such that its electrical characteristic is varied corresponding to a strain applied thereto, the pressure sensitive material layer including a dielectric and nanoparticles dispersed in the dielectric; and a second conductive layer disposed on the pressure sensitive material layer, wherein the dielectric and the nanoparticle include materials having pyroelectricities of polarities opposite to each other.

Abstract: A capacitor structure includes: a first substrate having a first electrode part provided on one surface thereof; a second substrate having a second electrode part provided on a surface thereof, which faces the first substrate; and a dielectric layer provided between the first substrate and the second substrate, wherein a Poisson's ratio of the first substrate or the second substrate is different from a Poisson's ratio of the dielectric layer. The capacitor structure has a substantially constant capacitance even when the capacitor structure is exposed to external strain.

Abstract: An electronic device comprises a base substrate changing a cross section area corresponding to an external force applied from outside and a sensor changing a cross section area corresponding to the external force applied from outside. The sensor comprises a first electrode disposed on the base substrate, a second electrode disposed on the base substrate, and a dielectric layer disposed between the first electrode and the second electrode. A thickness of the dielectric layer stays substantially the same when a cross sectional area of the base substrate changes.

Abstract: A biochemical molecule detection sensor includes a substrate; a first aptamer complex chemically bound to the substrate, wherein the first aptamer complex selectively binds to a biochemical molecule, and includes at least one double helix DNA into which a fluorescent dye generating first fluorescence with a first wavelength is intercalated; and at least one second aptamer complex selectively binding to the biochemical molecule and generating second fluorescence with a second wavelength, wherein the first wavelength is different from the second wavelength, wherein fluorescence intensities of the first and second fluorescence depend on an amount of the biochemical molecule reacting with the first aptamer complex and the second aptamer complex.

Abstract: A pressure sensor and a pressure sensing method are provided. The pressure sensor includes a substrate; a sensor thin film transistor (TFT) disposed on the substrate and including a gate insulating layer, wherein the gate insulating layer includes an organic matrix in which piezoelectric inorganic nano-particles are dispersed; a power unit configured to apply an alternating current (AC) signal to a gate of the sensor TFT; and a pressure sensing unit configured to obtain a remnant polarization value based on a drain current which is generated in response to the AC signal and detected by the sensor TFT, and to sense a pressure based on the remnant polarization value.

Abstract: There is provided a substrate for a stretchable device, the substrate having a mogul pattern formed thereon, wherein the mogul pattern has a plurality of bumps protruding from a virtual reference plane, and a continuous valley formed between the bumps, wherein the valley surrounds the bumps, and the bumps are regularly or irregularly arranged and have substantially the same size and shape, wherein a combination of the bumps and the valley has a continuous curved surface.

Abstract: A flexible bimodal sensor includes a gate electrode; a flexible substrate; a source electrode disposed on the flexible substrate; a drain electrode disposed on the flexible substrate apart from the source electrode; a channel layer disposed on the source electrode and the drain electrode and a portion of the flexible substrate between the source electrode and the drain electrode; and a gate insulating layer comprising a plurality of protrusions, the gate insulating layer being disposed on the channel layer and arranged between the channel layer and the gate electrode. The drain electrode outputs a current signal simultaneously indicating a temperature value and a pressure value sensed by the flexible bimodal sensor.

Abstract: A strain sensor and a method of manufacturing the same are provided. The strain sensor includes a substrate, a nanocomposite layer disposed on the substrate, and a protective layer disposed on the nanocomposite layer. The nanocomposite layer includes metallic nanowires, a first polymeric material, and a second polymeric material. The protective layer includes a third polymeric material. The metallic nanowires are randomly arranged in the nanocomposite layer.

Abstract: Provided is a strain sensing device using reduced graphene oxide (R-GO). The strain sensing device includes a flexible substrate, a gate electrode formed on the flexible substrate, a gate insulating layer configured to cover the gate electrode and include a part formed of a flexible material, an active layer formed of R-GO for sensing a strain, on the gate insulating layer, and a source and drain electrode formed on the active layer.

Abstract: The present invention relates to a cell-based transparent sensor capable of the real-time optical observation of cell behavior, to a method for manufacturing same, and to a multi-detection sensor chip using same. More particularly, the present invention relates to a cell-based transparent sensor capable of the real-time optical observation of cell behavior, to a method for manufacturing same, and to a multi-detection sensor chip using same, wherein the sensor can sense the ionic concentration of an electrolyte in accordance with the variation in the metabolic activity of cells using an ion-selective field effect transistor (ISFET) sensor and an electrochemical sensor, and the sensor is made of a transparent material which enables real-time observations of optical phenomenon for measurement of cell behavior.