Abstract: A circuit board according to an embodiment includes a first insulating layer; a second insulating layer disposed on the first insulating layer and including a cavity; and a plurality of pads disposed on the first insulating layer and having top surfaces exposed through the cavity; wherein the cavity of the second insulating layer includes: a bottom surface positioned higher than a top surface of the first insulating layer; and an inner wall extending from the bottom surface, wherein the inner wall is perpendicular to top or bottom surface of the second insulating layer, wherein the bottom surface of the cavity includes: a first bottom surface positioned lower than a top surface of the pad and positioned outside an arrangement region of the plurality of pads; and a second bottom surface positioned lower than the top surface of the pad and positioned inside the arrangement region of the plurality of pads, and wherein a height of the first bottom surface is different from a height of the second bottom surface.

Abstract: Provided are display panel manufacturing method and apparatus. The display panel manufacturing method includes detecting a machining target area of a bottom layer, removing an area, overlapping the machining target area, of a top layer, emitting a laser beam to the machining target area of the bottom layer to provide a bottom pattern from the machining target area, and providing a compensation pattern in the removed area of the top layer.

Abstract: The present disclosure relates to a ceramic susceptor. The ceramic susceptor of the present disclosure includes: an insulating plate on which a high-frequency electrode is disposed; a shaft connected to the insulating plate; a connection mount connected to a longitudinal end of the shaft; a first rod and a second rod, which are connected to the high-frequency electrode, pass through the longitudinal end of the shaft, and extend to the connection mount; and a connection member disposed in the connection mount, wherein the connection member connects the first rod to the second rod.

Abstract: An inductor includes a first magnetic body having a toroidal shape and having a ferrite; and a second magnetic body configured to be different from the first magnetic body and including a metal ribbon, wherein the second magnetic body includes an outer magnetic body disposed on an outer circumferential surface of the first magnetic body and an inner magnetic body disposed on an inner circumferential surface of the first magnetic body, and each of the outer magnetic body and inner magnetic body is wound in a plurality of layers in a circumferential direction of the first magnetic body.

Abstract: Provided is a method for recovering and reusing an active material from a positive electrode scrap.

Abstract: The present invention relates to a reserve battery allowing a voltage to quickly rise while being activated by an impact in a normal state in which electricity is not generated and, more specifically, to a reserve battery having a stacked electrode structure, the reserve battery improving the speed of an activation operation and generating a high voltage while being easily manufactured through a structure in which a main body case, instead of an ampoule of metal and glass materials, acts as an ampoule, a cover is attached through welding in a state of directly accommodating an electrolyte, and then a substrate having an anode and a cathode formed thereon is provided as a single layer or a plurality of layers, and a through film, which is broken by pressure and pushes the electrolyte toward the electrodes, is formed at the center of the cover.

Abstract: A method of manufacturing a multilayer metal plate by electroplating includes a first forming operation of forming one of a first metal layer and a second metal layer on a substrate by electroplating, wherein the second metal layer is less recrystallized than the first metal layer, the second metal layer is comprised of nanometer-size grains, and the second metal layer has a higher level of tensile strength than the first metal layer; and a second forming operation of forming, by electroplating, a third metal layer not formed in the first forming operation on a surface of one of the first metal layer and the second metal layer formed in the first forming operation.

Abstract: The present disclosure relates to a pixel sensing circuit which extends an operation section of an integrator by using an additional signal and allows securing a time required for a stable output of a sensing voltage.

Abstract: The present invention relates to a novel heterocyclic compound usable in an organic light-emitting device and to an organic light-emitting device comprising same, wherein [chemical formula A] is as described in the detailed description of the invention.

Abstract: A method for controlling driving of a hybrid electric vehicle includes collecting driving data while the hybrid electric vehicle is driven, determining whether the hybrid electric vehicle enters a first mode corresponding to emergency driving of the hybrid electric vehicle or a second mode corresponding to control in preparation for the emergency driving, and controlling the hybrid electric vehicle in accordance with a mode that the hybrid electric vehicle enters among the first mode and the second mode.

Abstract: An embodiment of the present invention discloses a camera actuator comprising: a housing; a mover on which an optical member sits and which is disposed inside the housing; a ball part including a first ball and a second ball and disposed between the housing and the mover; and a driving unit that is disposed inside the housing to drive the mover, wherein the mover includes a first protrusion extending toward the housing and including a recess. The recess includes: a side surface on which the ball part sits and on which at least a portion of the recess is spaced apart from the ball part; and a bottom surface in contact with the side surface.

Abstract: A display device includes a bank layer defining a first light emitting area, a first electrode in the first light emitting area, a second electrode spaced from the first electrode and around at least a part of the first electrode in the first light emitting area, and a light emitting element between the first electrode and the second electrode. The second electrode includes a first electrode portion, facing a first side surface of the first electrode, forming a first separation space in the first light emitting area, a second electrode portion facing a second side surface of the first electrode, forming a second separation space in the first light emitting area, and a third electrode portion connecting the first electrode portion and the second electrode portion and facing a third side surface of the first electrode, forming a third separation space in the first light emitting area.

Abstract: A substrate processing apparatus includes: a conveyor belt configured to have an outer surface on which a bottom surface of a substrate is seated; and a polishing head unit configured to face an upper surface of the substrate, wherein the polishing head unit includes: a polishing head connected to a driver; a polishing pad configured to face the polishing head; a polishing pad fixing ring disposed between the polishing head and the polishing pad; and a temperature sensor configured to overlap the polishing pad fixing ring and to be spaced apart from the polishing pad fixing ring.

Abstract: A display device including: a substrate including a display area including a pixel area, and a non-display area at at least one side of the display area; a pixel in the pixel area, and including a light emitting element, a color conversion layer located on the light emitting element, and a color filter layer located on the color conversion layer; a first step difference compensation pattern in the non-display area, and around the display area; and a second step difference compensation pattern in the non-display area, and including a first end adjacent to the display area, and a second end opposite to the first end and located adjacent to an edge of the substrate, wherein the second step difference compensation pattern is located on the first step difference compensation pattern and overlaps the first step difference compensation pattern, and covers one end of the first step difference compensation pattern.

Abstract: Various embodiments disclose a display driver, wherein the display driver may be configured to detect a defective output buffer among output buffers and perform an output correction function for the defective output buffer.

Abstract: A semiconductor device is provided. The semiconductor device includes a substrate including an element isolation layer, the element isolation layer defining an active region, a plurality of word lines traversing the active region in a first direction, and a plurality of bit line structures on the substrate and connected to the active region, the plurality of bit line structures extending in a second direction different from the first direction. Each of the plurality of bit line structures includes a ruthenium line wiring including a bottom surface and a top surface opposite to the bottom surface, a lower graphene layer in contact with the bottom surface of the ruthenium line wiring and extending along the bottom surface of the ruthenium line wiring, and a wiring line capping layer extending along the top surface of the ruthenium line wiring.

Abstract: Disclosed herein is an earphone module having a speaker capable of reproducing both high- and low-pitched sounds. In an earphone module according to the present invention, two coils and terminal members configured to be electrically connected to the two coils are provided, the two coils and the terminal members are assembled by electrically connecting the two coils and the terminal members to each other, and then the terminal members are connected to an external input circuit through the exposure window of a housing. Accordingly, the manufacturing operation is facilitated and the defect rate is reduced, so that the mass productivity is improved.

Abstract: A locking apparatus according to an embodiment includes an approach detector, a signal transmitter, a measurer, and a controller. The approach detector detects an approach of a user carrying a terminal. The signal transmitter transmits a key authentication signal for authenticating a pre-shared digital key to the terminal using first short-range wireless communication when the approach of the user is detected. The measurer connects a session by generating a security channel with the terminal using second short-range wireless communication and measuring at least one of a distance to and an angle with respect to the terminal when the digital key is authenticated through the key authentication signal. The controller determines whether or not to unlock an access facility in accordance with at least one of the distance to and the angle with respect to the terminal.

Abstract: A data acquisition system (DAS) for acquiring data from a Hall effect sensor includes one or more state variables, a multiplexer that periodically rotates a signal from the Hall effect sensor, and a controller that resets the one or more state variables in synchronization with rotation of the signal. The state variables may be digital states in a digital memory or voltages of capacitors the controller forces to a reset voltage. The state variables may be included in a noise-shaping SAR ADC, a delta-sigma ADC, a digital filter, an integrator, an analog filter, a VCO, an incremental ADC or an auxiliary ADC-assisted incremental ADC, or an auxiliary ADC of the DAS.

Abstract: Provided are an emulsion structure for enhancing skin absorption and a method of preparing the same. According to a composition of an aspect of the present disclosure, due to a hexagonal structure that can mimic intercellular lipid ingredients of skin, the composition has excellent formulation safety and piezoelectric properties capable of generating a microcurrent, and accordingly, the composition is able to enhance skin absorption of a physiologically active substance without damaging the skin barrier.