Abstract: An optical imaging system includes a first lens group, a second lens group, a third lens group, and a fourth lens group sequentially disposed in ascending numerical order along an optical axis of the optical imaging system from an object side of the optical imaging system toward an imaging plane of the optical imaging system, wherein at least one lens group among the first lens group to the fourth lens group is configured to be movable along the optical axis, the first lens group has a positive refractive power and comprises a reflective member and at least one lens disposed between the object side of the optical imaging system and the reflective member, and the at least one lens is configured to refract light passing through the at least one lens to converge the light to be incident on the reflective member.

Abstract: A control unit (CO) in a vehicle headlight (1) controls a light emitting unit (10) such that, when a signal indicating another vehicle (80, 90) is input, a region including a first region (211, 311) in a light distribution pattern (200, 300) becomes a light reduction region (210, 310) in which a total light flux amount of light from the light emitting unit (10) decreases as compared with that before the signal indicating the other vehicle (80, 90) is input, and controls the light emitting unit (10) such that, when a signal indicating a turn sign of the other vehicle (80, 90) is input, at least the first region (211, 311) in the light reduction region (210, 310) expands to a turning direction side indicated by the turn sign as compared with that before the signal indicating the turn sign of the other vehicle (80, 90) is input.

Abstract: A filtering method and apparatus, and a device are provided. The filtering method includes: when it is determined to enable Wiener filtering for an adaptive leveling filter unit of a current picture, deriving the adaptive leveling filter unit from a current Largest Coding Unit (LCU) of the current picture; obtaining reference pixels of the adaptive leveling filter unit and filter coefficients of a Wiener filter; and according to the reference pixels and the filter coefficients of the Wiener filter, performing the Wiener filtering based on sample pixels of the adaptive leveling filter unit; where the Wiener filter is a centrosymmetric filter with a shape of a 7*7 cross plus a 5*5 square, and values of the reference pixels are derived from pixel values of a reconstructed picture before the Wiener filtering.

Abstract: An apparatus with image processing includes: one or more processors configured to: generate a full sampling image by demosaicing a first color filter array (CFA)-based input image; based on a trained color conversion model trained for color conversion and noise suppression of the full sampling image, determine a bias and a conversion matrix corresponding to each pixel of the full sampling image; and based on the conversion matrix and the bias, convert a color space of the full sample image, corresponding to the first CFA, into a color space corresponding to a second CFA.

Abstract: A dual-frequency and dual-polarization antenna for simultaneously transmitting and receiving dual-frequency 5G signals comprises a first substrate; a first polarization antenna comprising a first radiation portion disposed on a first surface of the first substrate and a second radiation portion disposed on a second surface of the first substrate; a second polarization antenna comprising a third radiation portion disposed on the first surface of the first substrate and a fourth radiation portion disposed on the second surface of the first substrate; a second substrate located in a side of the second surface of the first substrate, a surface of the second substrate close to the first substrate is a copper-clad surface; and layout directions of the first polarization antenna and the second polarization antenna are orthogonal to each other in the first substrate. An electronic device comprising the dual-frequency and dual-polarization antenna is also provided.

Abstract: The display apparatus includes a substrate, a first active layer disposed on the substrate, a first gate layer disposed on a layer covering the first active layer, the first gate layer including a first gate electrode, a second gate layer disposed on a layer covering the first gate layer, the second gate layer including an initialization line including a first part of a second electrode; a second active layer disposed on a layer covering the second gate layer, the second active layer including a second active region overlapping the first part of the second electrode; a third gate layer disposed on a layer covering the second active layer, the third gate layer including a second part of the second electrode overlapping the second active region; and a first source/drain layer disposed on a layer covering the third gate layer, the first source/drain layer including a first connection line.

Abstract: A semiconductor device may include a substrate including center and edge regions, active patterns on the substrate, channel patterns on the active patterns, source/drain patterns connected to the channel patterns, and gate electrodes on the channel patterns. Each of the source/drain patterns may include a buffer layer in contact with a corresponding one of the channel patterns and a main layer on the buffer layer. The main layer of each of the source/drain patterns may include first and second semiconductor layers, which may be sequentially stacked and contain germanium. A concentration of the germanium in the first semiconductor layer may be higher on the center region than on the edge region, and a concentration of the germanium in the second semiconductor layer may be lower on the center region than on the edge region.

Abstract: A camera module includes: a fixing member; a base member slidably coupled to the fixing member; a driving unit coupled to the base member and including a main gear; a gear structure rotatably coupled to the base member to engage with the main gear; a first camera connected to the gear structure to be rotated; and a second camera connected to the gear structure to be rotated in a direction opposite to the first camera. A first position of the base member when the main gear is rotated in a first rotation direction is different from a second position of the base member when the main gear is rotated in a second rotation direction that is opposite to the first rotation direction.

Abstract: An electroluminescence display includes a pixel area disposed on a substrate, the pixel area including an emission area and a non-emission area, a driving element disposed in the non-emission area, a passivation layer on the driving element; a color filter disposed in the pixel area on the passivation layer, a planarization layer on the color filter, a first contact hole penetrating the passivation layer and exposing the driving element, a second contact hole penetrating the planarization layer and exposing the first contact hole, and a light emitting element disposed at the emission area on the planarization layer, and the first contact hole is disposed in the second contact hole as being biased toward a first side

Abstract: A liquid crystal composition includes a component A composed of one or more liquid crystals with negative dielectric anisotropy and a component B composed of one or more compounds selected from a general formula I, where the optical anisotropy of the liquid crystal composition is larger than 0.14. The elastic coefficient of a liquid crystal system is adjusted by introducing a bi-mesogenic compound into a negative liquid crystal or a negative liquid crystal mixture. When the liquid crystal composition is used for the dimming device, the minimum light transmittance of the dimming device in the dark state can be significantly reduced, the adjustment range of the light transmittance in the light state and the dark state can be expanded, and the haze in the dark state can be increased, thereby broadening the use range.

Abstract: An inductor component includes a body including a first surface and a second surface opposing each other in a first direction, and a third surface and a fourth surface connected to the first surface and the second surface and opposing each other in a second direction, a first conductor disposed in the body and extending in the first direction, a second conductor disposed adjacent to the first conductor in the body and extending in the first direction, a first pad and a second pad disposed on the third surface of the body, a first conductive via extending in the second direction and connecting the first conductor and the first pad, and a second conductive via extending in the second direction and connecting the second conductor and the second pad. The second conductor is disposed to be shifted with respect to the first conductor in the first direction.

Abstract: A multilayer ceramic electronic component includes a body including a dielectric layer and an internal electrode, and an external electrode disposed on the exterior of the body. The dielectric layer includes a plurality of dielectric grains and a grain boundary present between the dielectric grains. A molar ratio (Al/Ti) of Al and Ti included in the grain boundary satisfies 0.022 to 0.028.

Abstract: A camera module is provided. The camera module includes a fixed body which has an internal space; a first movable body movably disposed on the fixed body; a substrate disposed on the first movable body, and on which an image sensor is mounted; a yoke disposed on one of the fixed body and the first movable body; a coil disposed on the other of the fixed body and the first movable body, and disposed to face the yoke; and an elastic member connected to the fixed body and the first movable body, and configured to provide a restorative force to the first movable body.

Abstract: The present invention provides a device for taking pictures. The device includes: a camera; a display; and a processor configured to capture a plurality of temporary images of one or more subjects by using the camera; extract a reconstructed scene from the plurality of temporary images; capture a focused image that a user intends to take a picture by using the camera; generate a subject map in the focused image by using the reconstructed scene; estimate an armature from the subjects selected from the subject map; combine the armature with the focused image; verify whether the composition of the focused image is good or not; and present an instruction to the user to adjust the composition by using the display. The present invention achieves an improved photography composition.

Abstract: An impact tool includes a hammer that is rotated by a motor and energized toward a front side from a spindle by a cam mechanism and a spring, and an anvil that is struck by the hammer. The hammer includes a main body part, and claw parts extending forward from the main body part, and tapered surfaces are formed such that an inner diameter side end of each of the claw parts of the main body part is located on the front side relative to an outer diameter side end of the claw part. The tapered surfaces are formed, on an outer peripheral side of a front facing surface of the hammer, in such a shape that the tapered surfaces recede as separating in a radial direction from a rotation axis.

Abstract: Disclosed is a broadband capacitor in which floating electrodes are disposed above, below and at both sides of a stack in which a plurality of inner electrodes are stacked. The disclosed broadband capacitor comprises: a dielectric on which the stack having the plurality of inner electrodes stacked therein is disposed; a first outer electrode disposed at a first side surface of the dielectric; a second outer electrode disposed at a second side surface of the dielectric; a first floating electrode disposed above the stack; a second floating electrode disposed below the stack; a third floating electrode disposed at one side of the stack; and a fourth floating electrode disposed at the other side of the stack, opposite to the one side of the stack.

Abstract: A system on chip, semiconductor device, and/or method are provided that include a plurality of masters, an interface, and a semaphore unit. The interface interfaces the plurality of masters with a slave device. The semaphore unit detects requests of the plurality of masters, controlling the salve device, about an access to the interface and assigns a semaphore about each of the plurality of masters by a specific operation unit according to the detection result.

Abstract: A display device includes a display panel including: a transparent substrate; an inorganic light emitting element provided on the transparent substrate and configured to emit a light toward the transparent substrate; a first insulating layer provided on the inorganic light emitting element; and a thin film transistor provided on the first insulating layer; and a driver integrated circuit (IC) configured to drive the display panel, wherein at least a portion of the thin film transistor overlaps at least a portion of the inorganic light emitting element.

Abstract: An electronic device includes a cylindrical case, a display, an annular light-transmitting parting member, an annular solar cell and an annular elastic member. At least the upper end of the case is open. The display is disposed in the case and exposed to a side where the upper end is located. The parting member is annular along the inner circumferential surface of the case. The annular solar cell is disposed under the parting member. The elastic member fixes the outer edge of the annular solar cell.

Abstract: The present relates to a positive electrode (1) for a non-aqueous electrolyte secondary battery, comprising: a positive electrode current collector (11) comprising a positive electrode current collector main both (14) formed of a metal material; a positive electrode active material layer (12) provided on the positive electrode current collector (11), wherein the positive electrode active material layer (12) comprises a positive electrode active material having, on at least a part of its surface, a coated section comprising a conductive material, the positive electrode active material layer (12) has a pore specific surface area of 5.0 to 10.0 m2/g and a central pore diameter of 0.06 to 0.