Abstract: A manufacturing method for a printed circuit board includes: forming a first substrate portion; forming an intermediate insulating layer on the first substrate portion; forming a temporary layer on a surface opposite to a surface on which the intermediate insulating layer of the first substrate portion is formed; flattening the temporary layer; forming a second substrate portion on the intermediate insulating layer; and removing the temporary layer.

Abstract: An embodiment electrolyte solution includes a lithium salt, a solvent, and a functional additive, wherein the functional additive includes an electrode film additive of 2-(dodec-1-en-2-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane represented by An embodiment lithium secondary battery includes this electrolyte solution, a positive electrode including a positive-electrode active material including Ni, Co, and Mn, a negative electrode including a negative-electrode active material including a carbon (C)-based material or a silicon (Si)-based material, and a separator interposed between the positive electrode and the negative electrode.

Abstract: Disclosed herein are an apparatus and method for transmitting a covert message in wireless communication. The apparatus for transmitting a covert message in wireless communication may be configured to, in a covert message in which a data frame is composed of a Start Frame Delimiter (SFD), a header, a payload, and a Cyclic Redundancy Check (CRC), transmit the SFD of the covert message corresponding to a first sequence number masked with a preset SFD mask length, transmit the header of the covert message corresponding to a second sequence number masked with a preset header mask length, transmit the payload of the covert message corresponding to a third sequence number masked with a preset payload mask length, and transmit the CRC of the covert message corresponding to a fourth sequence number masked with a preset CRC mask length.

Abstract: Provided are an apparatus for collecting a training image of a deep learning model and a method for the same. The apparatus may include a camera sensor configured to capture an image of a surrounding of a vehicle and a controller configured to determine an entropy of each pixel in the image. The controller may also be configured to determine an entropy of each class in the image based on the entropy of each pixel in the image and determine whether to collect the image based on the entropy of each class.

Abstract: An embodiment method of recognizing a parking floor for a vehicle includes recognizing a spot at which the vehicle enters a parking deck, obtaining an inclination signal indicating an inclination trajectory of the vehicle traveling during a parking period from entry to the parking deck to parking, obtaining an inclination pulse of the inclination signal based on a reference inclination value, and determining a floor number of the parking deck on which the vehicle is parked using the inclination pulse.

Abstract: Disclosed is a display device including a display panel having a plurality of pixels, the display panel comprising a first display area having first resolution and a second display area having second resolution, the second resolution being lower than the first resolution, and a controller configured to generate display area information of each of the plurality of pixels, to blur an image that is displayed in the second display area based on the display area information, and to perform control such that the blurred image is displayed on the display panel.

Abstract: A multilayer electronic component includes: a body having a dielectric layer and first and second internal electrodes alternately disposed with each other while having the dielectric layer interposed therebetween in a first direction; and an external electrode including a connection portion and a band portion extending from the connection portion onto first and second surfaces of the body, wherein the external electrode further includes an electrode layer connected to one of the first and second internal electrodes, a resin layer in contact with the first and second surfaces, and a conductive resin layer disposed on the electrode layer and extending to the resin layer, and L1??L1 when L1 indicates a second-directional size of the resin layer in the band portion, and L1? indicates a second-directional size of the conductive resin layer in the band portion.

Abstract: A solar panel installation includes a plurality of bifacial solar panels and a plurality of reflective panels separated from and opposing a back side of the bifacial panels to reflect sunlight onto the back side of the panels. Each of the reflective panels may include a plurality of projections to improve the reflectivity onto the back side of the bifacial solar panels.

Abstract: A transparent-ultrasonic-sensor-based optical-ultrasonic integrated endoscopic probe according to one embodiment of the present disclosure may comprise: an optical fiber laser unit for emitting light; a transparent ultrasonic sensor, which is arranged between an object to be measured and the optical fiber laser unit to transmit, therethrough, the light emitted from the optical fiber laser unit, coaxially aligned with the light emitted from the optical fiber laser unit, radiating ultrasonic waves at the object, and receiving reflected ultrasonic waves; and a camera for acquiring an image of the object through the transparent ultrasonic sensor.

Abstract: A display device is disclosed that includes a plurality of pixels and a plurality of code pixels. The pixels include light-emitting elements, which display an image. The code pixels are disposed in the same layer as the pixels and are adjacent to a reference point disposed between the pixels. The code pixels include infrared light-emitting elements, which emit infrared light. At least one of the code pixels, disposed in a particular direction from the reference point, emit the infrared light to provide a code pattern having position information.

Abstract: An aspect of the present disclosure provides a bus bar as a winding in a core of a transformer includes multiple sub-bars arranged horizontally and connected in parallel so as to minimize an AC current in the transformer, and the sub-bars have different widths and thus resistances or impedances with respect to a current flowing through the sub-bars are the same. Another aspect of the present disclosure provides a method of designing a bus bar for resistance or impedance matching between multiple sub-bars included in the bus bar to share a current to minimize an AC current in the transformer. Another aspect of the present disclosure provides a transformer, for a DC-DC converter for use in a vehicle, which is manufactured by the method of designing a bus bar.

Abstract: A display device includes pixels electrically connected to first scan lines, second scan lines, and emission lines, a first scan driver that applies first scan signals to the first scan lines, a second scan driver that applies second scan signals to the second scan lines, an emission control driver that applies emission signals to the emission lines, and a power supply that generates and outputs a first high voltage and a second high voltage. The second scan driver receives the first high voltage. The first scan driver and the emission control driver share the second high voltage.

Abstract: Disclosed herein is a separator for electrochemical devices, configured to guarantee electrical insulation between a positive electrode and a negative electrode, wherein the separator includes no polyolefin substrate, and includes inorganic particles, a binder for coupling between the inorganic particles, and a crosslinking agent.

Abstract: A battery pack mounting structure of a vehicle includes: a frame side member of a chassis frame provided so that an upper end portion thereof is located at a position spaced downward by a predetermined reference downward distance from a step height set in consideration of ease of boarding of passengers; a battery case provided so that a battery accommodated in the battery case overlaps the frame side member in a horizontal direction thereof; a case side portion forming a side surface of the battery case, coupled to a lower side of the frame side member, and including a lower end portion aligned with a lowest ground height of the vehicle; and a case lower plate forming the battery case while supporting a lower side of the battery and disposed at a position spaced upwards from the lowest ground height.

Abstract: Provided are a silicon nitride film etching composition, a method of etching a silicon nitride film using the same, and a manufacturing method of a semiconductor device. Specifically, a silicon nitride film may be highly selectively etched as compared with a silicon oxide film, and when the composition is applied to an etching process at a high temperature and a semiconductor manufacturing process, not only no precipitate occurs but also anomalous growth in which the thickness of the silicon oxide film is rather increased does not occur, thereby minimizing defects and reliability reduction.

Abstract: A display device includes subpixels on a substrate, position code patterns having a predetermined position code shape, when viewed in a plan view, each position code pattern being disposed at a region between at least two adjacent subpixels, and a pixel-defining layer defining a region where each subpixel is disposed and covering the position code patterns. The plurality of position code patterns are formed in a planar code shape and are configured to reflect light incident through the pixel-defining layer.

Abstract: A capacitor component includes a body, including a dielectric layer and an internal electrode layer, and an external electrode disposed on one surface of the body. The external electrode includes a conductive base and a glass disposed in the conductive base, and the glass includes 0.01 wt % or more to 5.8 wt % or less of nitrogen (N) based on a total weight of the glass.

Abstract: A display device is disclosed. In one aspect, the display device includes a flexible substrate capable of being bent in a first direction and an insulating layer including a first opening pattern positioned on the flexible substrate and extending in a second direction crossing the first direction.

Abstract: Disclosed are a frame transmission method using a selective beamforming and a communication apparatus to perform the frame transmission method. The communication apparatus may determine a beamforming matrix based on classification information in which a plurality of subcarriers used for communication is classified into a plurality of frequency units, may map a long training field (LTF) sequence to the beamforming matrix, and transmit a beamforming training (BF-T) frame including the mapped LTF sequence to a plurality of stations, may receive, from the plurality of stations having receiving the BF-T frame, feedback information generated based on a reception strength of the BF-T frame, and may allocate frequency units to data frames to be transmitted to the plurality of stations based on the feedback information, and transmit the data frames using the allocated frequency units. The reception strength of the BF-T frame may be determined at each station for each frequency unit.

Abstract: There is provided an apparatus for detecting the contamination on the glass dome of the solar radiation observing sensor. The apparatus includes: the solar radiation observing sensor; the glass dome; a light source, wherein artificial light emitted from the light source is allowed to be incident on the medium of the glass dome at a predetermined angle and thus the artificial light incident on the medium of the glass dome is allowed to undergo total internal reflection; a light-collecting lens configured to collect natural light and a diffusedly-reflected part of the artificial light; and a contamination-detecting sensor configured to detect contamination, wherein the contamination-detecting sensor measures the natural light and the diffusedly-reflected part of the artificial light collected by the light-collecting lens.