Abstract: Disclosed is a terahertz wave generating apparatus. The terahertz wave generating apparatus includes a dual mode laser including a first single mode laser that generates a first beating signal, a gain adjustment region that modulates the first beating signal, and a second single mode laser that generates a second beating signal, and a photomixer that mixes the modulated first beating signal and the second beating signal, and that modulates a current supplied based on a beating frequency of the mixed beating signals to generate a terahertz wave signal, and the gain adjustment region is formed between the first single mode laser and the second single mode laser, and the first beating signal is output from the first single mode laser to the gain adjustment region and is modulated based on a reverse bias voltage supplied to the gain adjustment region.

Abstract: A display device includes a display panel, a support film, and a polymer layer. The display panel includes a display area comprising a first area that is bendable, and a non-display area adjacent to the display area. The support film is coupled to a bottom surface of the display panel. The support film includes a first groove overlapping with the first area. The polymer layer is disposed in the first groove. The polymer layer includes a material with higher flexibility than the support film. Angles formed by the top surface of the support film and inner sides of the support film defining the first groove are acute angles.

Abstract: Disclosed is an image generating device, which includes a measurement device including a plurality of transmitters and a plurality of receivers for a multistatic measurement of an object, an image preprocessing device that receives a raw image signal corresponding to the multistatic measurement from the measurement device and generates a preprocessed image signal based on the raw image signal, an image amplifier that generates an amplified image signal based on the preprocessed image signal, and an image restorer that generates a restored image signal corresponding to the object based on the amplified image signal, and the image amplifier is further configured to set up a first virtual transmitter and a first virtual receiver, to obtain first measurement data of a first target transmitter closest to the first virtual transmitter among the plurality of transmitters and a first target receiver closest to the first virtual receiver among the plurality of receivers.

Abstract: A first device may encode a first bit sequence of length K including a first information block, a second information block, a first cyclic redundancy check (CRC) for the first information block, and a second CRC for the second information block, based on a polar code of size; transmit a first signal based on the encoded first bit sequence; receive first hybrid automatic repeat request acknowledgement/negative-acknowledgement (HARQ ACK/NACK) information for the first bit sequence; divide the second information block into a first sub information block and a second sub information block and generate a third CRC for the first sub information block based on the first HARQ ACK/NACK information including information indicating failure of the transmission of the second information block; encode a second bit sequence including the third CRC based on the polar code; and transmit a second signal based on the encoded second bit sequence.

Abstract: Disclosed is an image data generating method. Operations of emitting electromagnetic waves to an object and receiving scan signals scanning the object are performed by using a multi-static transceiver. First image data of a low resolution are generated based on the scan signals. when a first condition associated with the first image data is satisfied, second image data of a high resolution associated with a sub-region of the first image data are generated. When a second condition associated with the second image is satisfied, third image data based on the first image data and the second image data are generated.

Abstract: A semiconductor device includes: a substrate; a first buried insulation layer disposed on the substrate; a first well which is disposed on the first buried insulation layer in a first region defined by a first element separation film, and includes a first portion extending along an upper surface of the first buried insulation layer, and a second portion extending from the first portion in a direction from the substrate toward the first buried insulation layer; a second buried insulation layer disposed on the first portion of the first well; a first semiconductor film disposed on the second buried insulation layer; a first transistor on the first semiconductor film; and a second element separation film which separates the second buried insulation layer and the first semiconductor film from the second portion of the first well, on the first portion of the first well, wherein an upper surface of the second portion of the first well is placed on the same plane as an upper surface of the first element separation f

Abstract: Disclosed is an antenna-sub harmonic mixer block, which includes a dielectric block disposed on a PCB substrate having a ground surface, an antenna including first antenna patch provided on the dielectric block and having a metal patch and a slot, and a second antenna patch provided on the dielectric block, spaced apart from the first antenna patch to surround the first antenna patch, and that receives a ground voltage at the same potential as the ground surface of the PCB substrate, an RF ground wire disposed on the dielectric block and connected from the first antenna patch to a surface having the same potential as the ground surface, an RF switching stage disposed on the dielectric block, connected to the first antenna patch, and that provides a switching ON/OFF operation in conjunction with the RF ground wire depending on a magnitude of a local signal LO.

Abstract: Provided is a terahertz light source device including an antenna, a plurality of wire electrodes configured to connect the antenna to a power source, a capacitor connected to the wire electrodes between the antenna and the power source, and a plurality of resonance tunneling diodes connected to the wire electrodes between the capacitor and the antenna, and configured to generate a terahertz wave by coupling with the capacitor as a parallel resonance circuit with respect to the power source.

Abstract: The disclosure relates to a lower display sensor. The lower display sensor includes: a light sensor, including a light irradiation portion that irradiates an induction light used for sensing an object located outside a display, and a light receiving portion that detects a reflected light reflected by the induction light from the object; a first sensor polarizing layer, disposed on an upper portion of the light sensor and having a polarizing axis inclined at a first angle; and a first sensor delay layer, disposed on an upper portion of the sensor polarizing layer and having a slow axis inclined at a first angle with respect to the polarizing axis.

Abstract: A measurement apparatus for measuring a coating amount of a slurry according to the present disclosure includes a light emitter configured to irradiate terahertz wave onto a release paper coated with the slurry, a light receiver configured to receive the terahertz wave, which is irradiated from the light emitter and passes through the release paper coated with the slurry, to obtain a power of the terahertz wave, and a calculating part configured to calculate a thickness of an electrode, formed from the slurry applied to the release paper, based on the power of the terahertz wave received by the light receiver.

Abstract: The present invention relates to a tiled image sensor. The tiled image sensor includes: a substrate on which conductive wiring is formed; and a plurality of image sensor dies arranged on the substrate to be spaced apart from each other by a first distance and electrically connected to the conductive wiring. The image sensor die includes: a plurality of light receiving sub-regions formed to be spaced apart from each other by a second distance; a peripheral circuit that is formed between the plurality of light receiving sub-regions, converts pixel current generated for each pixel included in the plurality of light receiving sub-regions into image data, and outputs the image data in block units; and a contact pad, the contact pad formed on a surface of the image sensor die to electrically connect the image sensor die to the substrate.

Abstract: Disclosed is a phase shift measuring device, which includes a dual mode laser including a first beat light source generating a first beating signal and a second beat light source generating a second beating signal, and that outputs a dual mode signal including the first beating signal and the second beating signal, a first splitter that receives the dual mode signal to generate a first branch signal and a second branch signal, the first branch signal and the second branch signal being including the branched first beating signal and the branched second beating signal, respectively, a phase control unit that receives the first branch signal and to generate a combined signal, a transmitting end that receives the combined signal from the phase control unit and generates a transmission signal based on the combined signal, and a receiving end.

Abstract: An imaging radar apparatus for obtaining an image includes a plurality of transmission modules and a plurality of reception modules. Each of the plurality of transmission modules includes a main controller, a first printed circuit board, a transmission controller, a plurality of transmitters, and a plurality of transmit antennas. Each of the plurality of reception modules includes a second printed circuit board, a reception controller, a plurality of receivers, and a plurality of receive antennas. A transmission unit including the plurality of transmitters is disposed on a top surface of the first printed circuit board. The plurality of transmit antennas are linearly arranged on the top surface of the first printed circuit board. The transmission controller is disposed on a bottom surface of the first printed circuit board. A reception unit including the plurality of receivers is disposed on a bottom surface of the second printed circuit board.

Abstract: Under-display fingerprint sensor of generating a fingerprint image disclosed. Under-display fingerprint sensor includes a light selection layer, being disposed under a display panel, configured for converting a downward circularly-polarized light into a downward linearly-polarized light, and configured for converting an unpolarized light into a sensor linearly-polarized light, a plurality of lenses, being disposed apart from the light selection layer and configured for refracting the downward linearly-polarized light and the sensor linearly-polarized light that propagate in a perpendicular direction toward each focal point, and an image sensor having a plurality of light receiving units disposed at each focal point of the plurality of lenses to receive the downward linearly-polarized light and the sensor linearly-polarized light that are refracted toward each focal point.

Abstract: The present disclosure relates to an optical sensor assembly. According to one aspect of the present disclosure, an embodiment of the optical sensor assembly is provided. The optical sensor assembly includes a plurality of optical fibers, wherein one ends of the plurality of optical fibers are configured in a row, and the other ends of the plurality of optical fibers are stacked in at least two rows, such that a width of a first surface formed by the one ends of the plurality of optical fibers is greater than a width of a second surface formed by the other ends of the plurality of optical fibers, and the optical sensor assembly further includes a sensor connector optically coupled with the second surface. And the sensor connector can be separated from the first surface and configured inside the electronic device.

Abstract: The inventive concept relates to an apparatus for inspecting shoes and a method for inspecting shoes, and the apparatus includes an inspection unit configured to accommodate an inspection subject, a transmission unit configured to emit electromagnetic waves toward the inspection subject accommodated in the inspection unit, a reception unit configured to receive the electromagnetic wave reflected from the inspection subject, an injection unit configured to inject a fluid toward a bottom part of the inspection subject accommodated in the inspection unit, a suction unit configured to suction a material separated from the bottom part of the inspection subject together with the fluid, and an analysis unit configured to analyze a component of the material introduced into the suction unit and the electromagnetic wave received by the reception unit.

Abstract: A display device includes a display panel, a support film, and a polymer layer. The display panel includes a display area comprising a first area that is bendable, and a non-display area adjacent to the display area. The support film is coupled to a bottom surface of the display panel. The support film includes a first groove overlapping with the first area. The polymer layer is disposed in the first groove. The polymer layer includes a material with higher flexibility than the support film. Angles formed by the top surface of the support film and inner sides of the support film defining the first groove are acute angles.

Abstract: A speaker unit for an earphone is provided. The speaker unit for an earphone may include a frame; a magnet; a plate fixed to the frame and in contact with the magnet; a diaphragm; a coil disposed to overlap the magnet and the plate in a radial direction; and a flexible printed circuit board (FPCB), wherein the magnet includes a first surface and a second surface arranged on an outer surface of the magnet, the first surface is a surface in contact with an inner surface of the frame, the second surface is a surface spaced apart from the inner surface of the frame, and the frame forms a first sound emission path defined by a space between the inner surface thereof and the second surface of the magnet in the radial direction.

Abstract: An antenna structure includes a dielectric lens, an antenna substrate on the dielectric lens, and antenna electrodes on the antenna substrate. Each of the antenna electrodes may include a wire electrode and an empty plane having a triangular shape defined by the wire electrode. The antenna structure can reduce periodic reflection of a high frequency signal, suppress a periodic gain reduction phenomenon, and provide flat gain characteristics in a wide frequency band.

Abstract: Disclosed is a method for fabricating a terahertz device, the method including providing a substrate, doping a conductive impurity on an upper surface of the substrate to form an electrode layer, patterning the electrode layer to form antenna electrodes, and forming a photomixer between the antenna electrodes.