Abstract: A display device includes a display panel including a plurality of pixels, a display panel driver, and a zone compensating circuit which divides the display panel into a plurality of unit blocks, obtains load values of input image data for the unit blocks, and generates corrected image data by correcting the input image data based on the load values. Each of the load values corresponds to one of the unit blocks. The display panel driver generates a data signal for displaying an image on the display panel based on the corrected image data. When grayscale values included in the input image data are the same, a luminance of the image displayed on the display panel is decreased moving away from a center of a reference block having a largest load value among the unit blocks based on the corrected image data.

Abstract: Disclosed herein are a method for diagnosing a disease of a body tissue by using LIBS (Laser-Induced Breakdown Spectroscopy) comprising: preparing a laser device including: a laser projection module, outputting the laser to a suspicious region of the body tissue, a light receiving module, receiving a plurality of light, a spectrum measurement module, and a guide unit; and projecting the laser to generate plasma by inducing tissue ablation in the suspicious region; wherein the laser projected to the suspicious region has a target area, and wherein the target area has smaller size than the suspicious region such that the target area is located inside the suspicious region.

Abstract: Provided is a disease information providing method including obtaining first image data obtained by image-capturing a body part and one or more suspicious tissues located in the body part, analyzing the first image data using an artificial neural network, detecting at least one target tissue from among the one or more suspicious tissues included in the first image data on the basis of the analysis result, requesting second image data on the at least one target tissue, obtaining the second image data obtained by image-capturing the at least one target tissue, obtaining disease information, wherein the second artificial neural network is trained to obtain a target result value related to the plurality of disease indicators for the target tissue included in the image data, and providing a disease score on the basis of the target result value.

Abstract: A laser irradiation device includes a housing which has an accommodation space formed therein and an opening formed in one side thereof, a laser module which is positioned in the accommodation space and outputs a pulsed beam having a predetermined focal length and a predetermined focal depth range through the opening, a guide member positioned at one side of the housing, and a contact member which is mounted on the guide member and includes a contact portion having a through-hole, through which the pulsed beam passes, formed therein, wherein the contact portion is in contact with a subject to assist in fixing an irradiation point of the pulsed beam, one end of the contact portion is positioned within the focal depth range such that plasma ablation is induced in at least a portion of the subject, and a diameter of the through-hole having a circular shape.

Abstract: A liquid refining apparatus is disclosed. The liquid refining apparatus includes a substrate, a loader which is formed on the substrate and configured to receive a first liquid, a filter which is configured to reduce a concentration of at least one substance contained in the first liquid to obtain a second liquid with a reduced concentration of the at least one substance, a reactor which is configured to mix the second liquid with a reactant for target substance detection to obtain a third liquid containing, among a plurality of substances contained in the second liquid, a first substance which undergoes a predetermined reaction with the reactant and a second substance which does not undergo the predetermined reaction with the reactant, and a separator which is configured to separate the first substance and the second substance.

Abstract: A fluid separation apparatus is disclosed. The fluid separation apparatus includes a diluter which includes a first filter channel through which a fluid flows, a fluid structure formed to protrude outward from the first filter channel and including an air bag, and a first vibration generator configured to generate a first sound wave and which is configured to filter at least one substance included in the fluid based on a vortex of the fluid formed on an interface between the first filter channel and the air bag, and a separator which includes a second filter channel through which the diluted fluid flows, a second vibration generator configured to generate a second sound wave passing through the second filter channel, and a plurality of outlet channels branched from the second filter channel, wherein a plurality of substances included in the diluted fluid are separated based on the molecular weight.

Abstract: A liquid refining apparatus is disclosed. The liquid refining apparatus includes a substrate, a loader which is formed on the substrate and configured to receive a first liquid, a filter which is configured to reduce a concentration of at least one substance contained in the first liquid to obtain a second liquid with a reduced concentration of the at least one substance, a reactor which is configured to mix the second liquid with a reactant for target substance detection to obtain a third liquid containing, among a plurality of substances contained in the second liquid, a first substance which undergoes a predetermined reaction with the reactant and a second substance which does not undergo the predetermined reaction with the reactant, and a separator which is configured to separate the first substance and the second substance.

Abstract: According to an embodiment of the present disclosure, there is provided a laser spectroscopy-based independent device, including: a spectrometer configured to measure a spectrum of generated light which is generated by a laser projected onto a sample; and a disease analysis module configured to determine whether there is lesion tissue by applying a lesion tissue detection learning model to a result of non-discrete spectrum measurement, which is measured by the spectrometer, wherein the spectrometer is configured to measure spectra of all generated light that is generated from a time when the laser is projected onto the sample.

Abstract: Disclosed herein are a method for diagnosing a disease of a body tissue by using LIBS (Laser-Induced Breakdown Spectroscopy) comprising: preparing a laser device including: a laser projection module, outputting the laser to a suspicious region of the body tissue, a light receiving module, receiving a plurality of light, a spectrum measurement module, and a guide unit; and projecting the laser to generate plasma by inducing tissue ablation in the suspicious region; wherein the laser projected to the suspicious region has a target area, and wherein the target area has smaller size than the suspicious region such that the target area is located inside the suspicious region.

Abstract: Disclosed herein are a method for diagnosing a disease of a body tissue by using LIBS (Laser-Induced Breakdown Spectroscopy) comprising: preparing a laser device including: a laser projection module, outputting the laser to a suspicious region of the body tissue, a light receiving module, receiving a plurality of light, a spectrum measurement module, and a guide unit; and projecting the laser to generate plasma by inducing tissue ablation in the suspicious region; wherein the laser projected to the suspicious region has a target area, and wherein the target area has smaller size than the suspicious region such that the target area is located inside the suspicious region.

Abstract: Disclosed herein are a diagnostic method using laser induced breakdown spectrum analysis and a diagnostic device for performing the same. The diagnostic device may include a laser projection module projecting a pulsed laser to a specimen, a light receiving module receiving a light generated by a plasma ablation induced at the specimen by the pulsed laser, a spectral member receiving and dividing the light generated by the plasma ablation; a sensor array including a plurality of sensors arranged to receive the divided light for each wavelength, and a controller obtaining spectrum data of the light generated by the plasma ablation from a specific exposure period, and determining whether or not the specimen is diseased based on the spectrum data of the light generated by the plasma ablation.

Abstract: Disclosed herein are a diagnostic method using laser induced breakdown spectrum analysis and a diagnostic device for performing the same. The diagnostic method may include projecting a pulsed laser to a suspicious specimen, obtaining first spectrum data on the light collected from the suspicious specimen, projecting the pulsed laser to a non-diseased specimen, obtaining second spectrum data on the light collected from the non-diseased specimen, and determining whether a disease is present in the suspicious specimen from a comparison value of the first spectrum data and the second spectrum data using an artificial neural network.

Abstract: Disclosed herein are a method for diagnosing a disease of a body tissue by using LIBS (Laser-Induced Breakdown Spectroscopy) comprising: preparing a laser device including: a laser projection module, outputting the laser to a suspicious region of the body tissue, a light receiving module, receiving a plurality of light, a spectrum measurement module, and a guide unit; and projecting the laser to generate plasma by inducing tissue ablation in the suspicious region; wherein the laser projected to the suspicious region has a target area, and wherein the target area has smaller size than the suspicious region such that the target area is located inside the suspicious region.

Abstract: A laser-induced breakdown spectroscope according to an exemplary embodiment of the present invention includes: a laser head which emits a laser beam; a focusing lens which focuses the laser beam on a target specimen; a plasma reactor unit which amplifies first plasma, which is generated on the target specimen positioned at a focal point of the laser beam passing through the focusing lens, by controlling electron density and electron energy of the first plasma; a collection lens which focuses second plasma amplified by the plasma reactor unit; and a spectrophotometer which analyzes the second plasma focused by the collection lens.

Abstract: Disclosed herein are a diagnostic method using laser induced breakdown spectrum analysis and a diagnostic device for performing the same. The diagnostic device may include a laser projection module projecting a pulsed laser to a specimen, a light receiving module receiving a light generated by a plasma ablation induced at the specimen by the pulsed laser, a spectral member receiving and dividing the light generated by the plasma ablation; a sensor array including a plurality of sensors arranged to receive the divided light for each wavelength, and a controller obtaining spectrum data of the light generated by the plasma ablation from a specific exposure period, and determining whether or not the specimen is diseased based on the spectrum data of the light generated by the plasma ablation.

Abstract: The present disclosure relates to a method and a device for controlling a laser output. According to an embodiment, there are provided a method for controlling a laser output of a laser device, provided with a laser generator and a handpiece for radiating a laser generated at the laser generator onto a target, and a device performing the method. The method includes the steps of: measuring, by a plurality of distance sensors arranged along a circumference of one end of the handpiece from which the laser is outputted, distances between the plurality of distance sensors and the target; based on the distances between the distance sensors and the target, calculating an effective area which is a region of the target onto which the laser is really radiated; and increasing or reducing the laser output to radiate the laser onto the effective area with a predetermined energy density.

Abstract: Disclosed herein are a diagnostic method using laser induced breakdown spectrum analysis and a diagnostic device for performing the same. The diagnostic method may include projecting a pulsed laser to a suspicious specimen, obtaining first spectrum data on the light collected from the suspicious specimen, projecting the pulsed laser to a non-diseased specimen, obtaining second spectrum data on the light collected from the non-diseased specimen, and determining whether a disease is present in the suspicious specimen from a comparison value of the first spectrum data and the second spectrum data using an artificial neural network.

Abstract: According to one embodiment, a tip for a laser handpiece includes: a light radiating module configured to radiate a laser toward a target; and a light receiving module configured to receive at least a portion of light which is generated by the laser radiated onto the target as received light. The light radiating module includes: a base which has an inner space formed therein to allow the laser to pass therethrough; a fixing portion which is coupled to a lower portion of the base and has a penetrating hole formed therein to allow the laser to pass therethrough; and a module connecting member which is interposed and fixed between the base and the fixing portion.