Abstract: Disclosed is a backlight unit using a mini light-emitting diode (LED) or a micro LED as a light source according to various embodiments of the present invention. The backlight unit may comprise: a color conversion sheet for converting the color of light emitted from the mini LED or the micro LED; a first diffusion lens sheet disposed on one side of the color conversion sheet and having a plurality of first lenses having a triangular pyramid shape formed to be arranged in a first direction on one surface thereof; and a second diffusion lens sheet disposed on one side of the first diffusion lens sheet, and having a plurality of second lenses having a triangular pyramid shape formed to be arranged in a second direction on one surface thereof.

Abstract: A printed circuit board includes: a first insulating layer; a first circuit layer disposed on one surface of the first insulating layer; a second insulating layer disposed on the first insulating layer and covering at least a portion of the first circuit layer; a via conductor passing through the second insulating layer and connected to the first circuit layer; a via land connected to the via conductor in an upper portion of the via conductor; and a second circuit layer disposed on the second insulating layer and connected to the via land. The via conductor and the via land have a first interface where the via conductor and the via land are in contact with each other.

Abstract: Disclosed is a backlight unit using a mini light-emitting diode (LED) or a micro LED as a light source according to various embodiments of the present invention. The backlight unit may comprise: a color conversion sheet for converting the color of light emitted from the mini LED or the micro LED; a first diffusion lens sheet disposed on one side of the color conversion sheet and having a plurality of first lenses having a triangular pyramid shape formed to be arranged in a first direction on one surface thereof; and a second diffusion lens sheet disposed on one side of the first diffusion lens sheet, and having a plurality of second lenses having a triangular pyramid shape formed to be arranged in a second direction on one surface thereof.

Abstract: Disclosed are a volume adjusting device and an adjusting method thereof for enabling an electronic device such as a TV to perform a volume adjustment operation among operations executable by the electronic device according to a prediction model stored through machine learning based on communication with surrounding devices in a 5G communication environment. According to the present disclosure, when information indicating adjustment of the volume of an electronic device by a user is generated, volume adjustment information may be learned, and the volume may be automatically adjusted to a volume preferred by the user on the basis of the learned information when the user views a video on the electronic device.

Abstract: A reinforcement structure made of plastic material for plastic vehicle tank. The reinforcement structure has a first portion comprising at least one weak section and at least one strong section, which are designed so that the weak section breaks before the strong section, when the first portion is under mechanical stress, the reinforcement structure also has at least one second portion designed to reduce the slosh noise, the second portion extends from the strong section.

Abstract: Disclosed are a signage apparatus and an operation method thereof capable of voice recognition in a 5G environment. A signage apparatus according to an embodiment of the present disclosure, may include as the signage apparatus configured to recognize a voice, a left microphone group and a right microphone group installed on both side surfaces of a display panel, respectively, a sensor configured to sense a user located within a predetermined distance with respect to the display panel, and to confirm the user's position, and an adjuster configured to adjust the arrangement of the left microphone group and the right microphone group, respectively, based on the user's position, and each of the left microphone group and the right microphone group may include a first microphone located at a distance relatively close to the display panel and a second microphone located at a distance relatively far away from the display panel.

Abstract: Disclosed are a volume adjusting device and an adjusting method thereof for enabling an electronic device such as a TV to perform a volume adjustment operation among operations executable by the electronic device according to a prediction model stored through machine learning based on communication with surrounding devices in a 5G communication environment. According to the present disclosure, when information indicating adjustment of the volume of an electronic device by a user is generated, volume adjustment information may be learned, and the volume may be automatically adjusted to a volume preferred by the user on the basis of the learned information when the user views a video on the electronic device.

Abstract: This invention relates to a reinforcement structure made of plastic material for plastic vehicle tank. The reinforcement structure comprises a first portion comprising at least one weak section and at least one strong section, which are designed so that said weak section breaks before said strong section, when said first portion is under mechanical stress, said reinforcement structure also comprises at least one second portion designed to reduce the slosh noise, said second portion extends from the strong section.

Abstract: A beating pattern recognition system includes: a preprocessor preprocessing an input signal; a deep neural network learning processor including a plurality of deep neural networks and performing learning to classify an input type of the input signal; and a classification processor classifying the input type of the preprocessed input signal using the learned deep neural network.

Abstract: There are provided a rigid flexible printed circuit board and a method of manufacturing the same. The rigid flexible printed circuit board according to an exemplary embodiment of the present disclosure includes: a flexible board including a flexible region, a first rigid region formed at one side of the flexible region, and a second rigid region formed at the other side of the flexible region; a first rigid board formed on the flexible board and formed in the first rigid region and the second rigid region; and a second rigid board formed below the flexible board and formed in the first rigid region.

Abstract: A flexible printed circuit board and a manufacturing method thereof are disclosed. The flexible printed circuit board in accordance with an aspect of the present invention includes: a base board including a flexible region; an inner circuit layer formed on the base board; a flexible laminate laminated on the base board and having a portion thereof removed, the portion having been laminated on the flexible region; and an outer circuit layer formed on the flexible laminate. The flexible laminate is formed by having an adhesive layer, a polyimide layer and a copper foil layer sequentially laminated and is arranged and laminated in such a way that the adhesive layer faces the base board.

Abstract: There are provided a rigid flexible printed circuit board and a method of manufacturing the same. The rigid flexible printed circuit board according to an exemplary embodiment of the present disclosure includes: a flexible board including a flexible region, a first rigid region formed at one side of the flexible region, and a second rigid region formed at the other side of the flexible region; a first rigid board formed on the flexible board and formed in the first rigid region and the second rigid region; and a second rigid board formed below the flexible board and formed in the first rigid region.

Abstract: Disclosed herein are a rigid flexible printed circuit board and a method of manufacturing the same. The rigid flexible printed circuit board includes: a flexible substrate having a flexible region and a plurality of rigid regions; a first insulating layer formed in the rigid regions and extended from the rigid regions to cover a portion of the flexible region; and a plurality of build-up layers formed in the first insulating layer of the rigid regions and including a build-up insulating layer and a circuit pattern, wherein at least one of the plurality of build-up layers has a thickness different from those of the other build-up layers.

Abstract: An image display apparatus and a method for operating the same are disclosed. The method for operating an image display apparatus includes receiving broadcast channel information, classifying channels into a 2D channel, a 3D channel or a mixed channel based on the received channel information, and displaying a channel list obtained by classifying the channels on a display if a channel list display command is input.

Abstract: The present invention is an escalator handrail sterilizer which is installed close to an inlet or outlet of an escalator handrail, and cleans and sterilizes the handrail moving in or out. The sterilizer comprises a case which is prepared for surrounding the escalator handrail, a chemical spray unit which is prepared in one end inside the case to spray chemicals on the handrail moving in, an ultraviolet ray irradiation unit which is prepared in the other end inside the case to project ultraviolet rays on the chemical-sprayed handrail, a drying unit which dries the chemicals sprayed on the handrail, a control unit which controls the chemical spray unit, the UV irradiation unit and the drying unit, and a cover which is prepared in both ends of the case in order to prevent foreign materials from flowing into the case.

Abstract: A display device includes a display panel displaying an image, a driving circuit substrate electrically connected to the display panel and having a contact member mounted on one side thereof, a frame accommodating the display panel and the driving circuit substrate and having a through hole, and an accommodating member arranged below the frame and coupled to the frame, wherein the contact member contacts the accommodating member through the through hole.

Abstract: Oily paclitaxel composition and formulation for chemoembolization and preparation method thereof solubilizing paclitaxel in an oily contrast medium. The composition of the present invention solubilizes paclitaxel and has an advantage of delivering anticancer drug to the target cells by chemoembolization since it is possible to visualize the blood vessel during the chemoembolization process. The present invention also relates to oily paclitaxel composition and formulation additionally comprising chemicals that prevent paclitaxel precipitation for prolonged preservation and the preparation method thereof. Since the composition of the present invention solubilize paclitaxel effectively and can be visualized during chemoembolization, it can be used for TACE to treat hepatoma and other solid tumors.