Abstract: The present invention relates to a device and a method for measuring skin changes caused by blue light. A device for measuring skin changes caused by blue light according to one embodiment of the present invention comprises: at least one light source for irradiating light of a blue light band at different light amounts to a plurality of test areas set on a skin area to be tested; and a control unit for detecting a minimum pigmentation point among the test areas and calculating a light amount of the corresponding test area as a minimum pigmentation dose (MPD) for blue light. In addition, the present invention relates to a blue light irradiation device for irradiating a plurality of blue light beams in order to measure skin changes caused by blue light.

Abstract: Provided in one embodiment of the present invention is a calibration device for an oral scanner, comprising: a casing in which an oral scanner body is coupled to an open upper part; a rotational part rotatably provided with respect to the casing; a reflector part arranged on the central axis of an optical device in the oral scanner body; and a pattern plate part facing the optical device through the reflector part, wherein the pattern plate part is linked with the rotation of the rotational part and rotates in place, and the reflector part moves in a straight line with respect to the oral scanner body.

Abstract: A disinfection robot system, includes: a light disinfection unit having first UVC lamps exposed to the outside to perform disinfection through emission of ultraviolet light; a plurality of air suction and disinfection units each having a second UVC lamp, an air suction pipe adapted to locate the second UVC lamp therein and configured to prevent the ultraviolet light emitted from the second UVC lamp from being exposed to the outside, a plurality of photocatalyst-coated means disposed inside the air suction pipe to produce hydroxyl groups through the ultraviolet light emitted from the second UVC lamp, and a fan for sucking air to the interior of the air suction pipe; a sensing unit having a human presence sensor and a distance sensor; and a control unit for controlling the light disinfection unit and the air suction and disinfection units according to the information detected by the sensing unit.

Abstract: An automated driving system of a vehicle includes a driver monitoring unit configured to perform at least one of monitoring a gaze of a driver and determining a position of a hand of the driver, an automated-driving-level switching unit configured to determine whether a transition of a driving control over the vehicle is required based on whether driving environment of the vehicle has changed during the vehicle being driven under control of the automated driving system, and determine an automated driving level to be switched based on a driver monitoring result obtained by the drive monitoring unit, and an automated driving control unit configured to control the vehicle according to the automated driving level.

Abstract: An apparatus and method for performing optical alignment between optical waveguide elements in manufacturing a surface mountable optical module, in which a plurality of optical waveguide elements are mounted on a surface of a mounting substrate, is disclosed. A controller performs recognition of the interference pattern included in the image information received from the camera, observes parallelism between the substrate support and the mounting substrate and between the mounting substrate and the optical waveguide element using the recognized pattern, generates a control signal to control the transport device according to the observed parallelism, and transmits the control signal to the transport device to perform control of the optical waveguide element.

Abstract: A micro-mixer includes a plurality of fuel tubes through which air and fuel flow, a casing accommodating the plurality of fuel tubes therein, and a plurality of injection parts each formed as a pyramidal protrusion on one side of the casing and connected to a front end of the fuel tube to inject the air and the fuel, wherein each of the plurality of injection parts has an inclined injection hole formed obliquely with respect to an extension direction of the plurality of fuel tubes on at least one side of the pyramidal protrusion.

Abstract: Disclosed is a positive electrode material for a lithium secondary battery. The positive electrode material includes a positive electrode active material formed of Li—[Mn—Ti]-M-O-based material including a transition metal (M) to enable reversible intercalation and deintercalation of lithium and molybdenum oxide. The positive electrode active material is coated with the molybdenum oxide to form a coating layer on a surface thereof.

Abstract: A method of manufacturing a multilayer electronic component includes cutting a stack, in which internal electrode patterns and ceramic green sheets are alternately stacked in a stacking direction, to obtain unit chips and attaching a portion of a ceramic green sheet for a side margin portion to the unit chips in a direction, different from the stacking direction. The attaching includes attaching the portion of the ceramic green sheet to the unit chips by compression between a first elastic body on which the ceramic green sheet is disposed and the unit chips. The first elastic body includes a first elastic layer having and a second elastic layer having an elastic modulus different from the first elastic layer, and disposed between the unit chips and the first elastic layer. An elastic modulus of the first elastic body is greater than 50 MPa and less than or equal to 1000 MPa.

Abstract: A display device includes a substrate; a transistor disposed on the substrate; a first insulating layer disposed on the transistor; and a first pixel electrode and a second pixel electrode disposed on the first insulating layer to be adjacent to each other. The first insulating layer includes a first opening between the first pixel electrode and the second pixel electrode.

Abstract: A display device comprises a display area including a plurality of pixels, a peak driving determination part determining peak driving based on an input image signal, a normal driving compensation part including a first luminance lookup table having a first luminance as a peak luminance, a peak driving compensation part including a second luminance lookup table having a second luminance higher than the first luminance as a peak luminance, a compensation adjusting part that generates a peak driving gamma curve by smoothing a first and second luminance gamma curves corresponding to the first and second luminance lookup tables and generates a peak driving lookup table according to the peak driving gamma curve, and a signal controller generating an image data signal by applying one normal driving lookup table to a portion of the display area and applying the peak driving lookup table to an other portion of the display area.

Abstract: The present invention provides a pharmaceutical composition for prevention or treatment of a stress disease and depression, the pharmaceutical composition be safely useable without toxicity and side effects by using an extract of leaves of Vaccinium bracteatum Thunb., which is natural resource of Korea, so that the reduction of manufacturing and production costs and the import substitution and export effects can be expected through the replacement of a raw material for preparation with a plant inhabiting in nature.

Abstract: An optical transceiver is provided. A transceiver optical sub-assembly included in the optical transceiver includes a package body, accommodating optical devices and including a front surface coupled to an optical signal terminal, and a feed-through structure closing a rear surface of the package body and an open portion provided at both side surfaces adjacent to the rear surface. A disposition portion where one end of a flexible printed circuit board (FPCB) is disposed is provided at a front surface of the feed-through structure. Feed-through electrodes bonded to FPCB electrodes provided at the one end of the FPCB are provided on a surface of the disposition portion. For precise alignment of the FPCB electrodes and the feed-through electrodes, a protrusion portion is provided at the one end of the FPCB, and an insertion groove into which the protrusion portion is inserted is formed in a front surface of the feed-through structure.

Abstract: A display device and a method of manufacturing the same are provided. The display device, comprises a first base substrate, a first barrier layer disposed on the first base substrate, a second base substrate disposed on the first barrier layer, at least one transistor disposed on the second base substrate, and an organic light emitting diode disposed on the at least one transistor, wherein the first barrier layer includes a silicon oxide, and has an adhesion force of 200 gf/inch or more to the second base substrate.

Abstract: A semiconductor device includes a first interlayer insulating film disposed on a substrate and having a first trench. A first lower conductive pattern fills the first trench and includes first and second valley areas that are spaced apart from each other in a first direction parallel to an upper surface of the substrate. The first and second valley areas are recessed toward the substrate. A second interlayer insulating film is disposed on the first interlayer insulating film and includes a second trench that exposes at least a portion of the first lower conductive pattern. An upper conductive pattern fills the second trench and includes an upper barrier film and an upper filling film disposed on the upper barrier film. The upper conductive pattern at least partially fills the first valley area.

Abstract: The present technology relates to systems and associated methods for measuring properties of particles in a solution. In one or more embodiments, a particle measurement system is configured to generate a reference signal, communicate the reference signal across a plurality of resistors and overlapping pairs of electrodes that define detection regions for particulates traveling through a microchannel, and measure various properties of the particles based on detecting changes in the communicated reference signal.

Abstract: The present invention relates to the stabilization of an effective ingredient by using a mineral material. In the present invention, the effective ingredient can be stably supported using the mineral material, and a microcapsule obtained by the manufacturing method according to the present invention, when discharged to nature, causes no environmental problems due to encapsulation ingredients thereof being the same as soil ingredients, and thus can avoid micro-plastic issues.

Abstract: A three-dimensional scanner according to the present invention comprises: a camera arranged to receive incident light; an optical projector which is arranged on one side of the camera and irradiates light to an object; and a polarization filter which is spaced a certain set distance from the front surface of the camera, wherein the polarization filter is formed to be inclined by a certain set angle with respect to a plane that is perpendicular to an optical path of the light irradiated from the optical projector, so that at least some of the light irradiated from the optical projector passes through the polarization filter and the remaining light is reflected by the surface of the polarization filter and proceeds to outside of the lens of the camera.

Abstract: Disclosed are novel compounds of Chemical Formula 1, optical isomers of the compounds, and pharmaceutically acceptable salts of the compounds or the optical isomers. The compounds, isomers, and salts exhibit excellent activity as GLP-1 receptor agonists. In particular, they, as GLP-1 receptor agonists, exhibit excellent glucose tolerance, thus having a great potential to be used as therapeutic agents for metabolic diseases. Moreover, they exhibit excellent pharmacological safety for cardiovascular systems.

Abstract: A server according to an embodiment includes a processor configured to receive a friend add request for a target account from a user terminal accessed with a user account; based on one of the user account and the target account being a protected account, transmit an approval request for the friend add request to a protector account connected to the protected account; and based on receiving a reply to the approval request from the protector terminal, add the target account to a friend list of the user account.