Abstract: A radiator for terahertz electromagnetic radiation includes one or more radiator units. Each of the one or more radiator units respectively includes: an oscillator arrangement operable to generate third harmonic power, and a patch antenna arrangement operably coupled with the oscillator arrangement for radiating terahertz electromagnetic radiation based on the generated third harmonic power.

Abstract: Embodiments of the disclosure provide an image liveness detection method and device. The method includes: performing semantic segmentation processing on a to-be-detected image to obtain a first masked image corresponding to a medium image block in the to-be-detected image; performing a biometric recognition on the to-be-detected image to obtain boundary information of a biometric image block in the to-be-detected image; performing pixel processing on the to-be-detected image based on the boundary information to obtain a second masked image corresponding to the biometric image block; obtaining, through calculation, a degree of overlap between the medium image block and the biometric image block based on the first masked image and the second masked image; determining a liveness detection result of the to-be-detected image according to the degree of overlap.

Abstract: Provided are a phenanthroimidazole derivative, and a preparation method therefor, and an application thereof. The phenanthroimidazole derivative has a structural formula as shown in Formula (I), R being an electron donor group, wherein by taking a phenanthroimidazole group containing a trifluoromethyl phenyl group as an electron acceptor, and in virtue of the properties of the specific electron donor group R, the phenanthroimidazole derivative containing a light-absorbing photosensitive group of a series D-?-A structure is synthesized, and can be used as a photoinitiator, which is used in the technical field of UV light-curing systems or 3D printing.

Abstract: Simultaneous automatic placement and routing speeds up implementation an integrated circuit layout and improves the resulting layout such that the layout is more compact, has reduced parasitics, and has improved circuit performance characteristics (e.g., power, frequency, propagation delay, gain, and stability). A technique generates solutions based on random normalized polish expression, and includes cost considerations based on routing of interconnect.

Abstract: Provided is a display panel, including: a substrate, the substrate comprising a display area and a non-display area, the non-display area comprising a bonding area located at a side of the display area, the bonding area comprising a plurality of bonding pads, wherein the display panel further comprises a first insulating protective film layer, a detection pad is provided between at least two of the plurality of bonding pads, and the first insulating protective film layer is located at a side of the detection pad away from the substrate. A display device is further provided.

Abstract: Disclosed is a system platform for evaluation and research and development of vibration and noise reduction technology for rail transit, including a hemi-anechoic chamber, a run-through tunnel, a simulated track, and a reduced-scale train running on the simulated track. The run-through tunnel is enclosed by sound insulation and absorption boards. The side wall of the hemi-anechoic chamber is provided with a door opening; the exit of the run-through tunnel communicates with the door opening, and the entrance of the run-through tunnel is arranged at the end part, away from the hemi-anechoic chamber, of the run-through tunnel. The simulated track is continuously arranged into the hemi-anechoic chamber from the outside of the run-through tunnel via the entrance, the exit and the door opening.

Abstract: A flexible support plate is configured to support a display panel, and is provided with a bendable region. The bendable region has at least one boundary line extending in a first direction, and the boundary line is part of a side of the flexible support plate. A plurality of hollows are arranged at intervals in the bendable region, the plurality of hollows are divided into a plurality of hollow groups arranged in the first direction, and each hollow group includes at least one hollow. For any boundary line, any one of the plurality of hollow groups has one boundary point, the boundary point is disposed on a contour line of a hollow in the hollow group to which the boundary point belongs, and the boundary point has a smallest distance from a corresponding boundary line in the contour line to which the boundary point belongs.

Abstract: A biological tissue sample imaging method, comprising: (1) put a magnetic material plate, a gel precursor solution and a biological tissue sample in an embedding container, and then forming a gel to obtain a gel body, in which the biological tissue sample, and a porous plate having ferromagnetism are embedded; and (2) mount the gel body on the sample holder magnetic base of an imaging microscope, and image.

Abstract: A tiling light sheet microscope and imaging method of a sample. The imaging method includes: generating a first laser beam of a first wavelength range and generating a second laser beam of a second wavelength range; performing a first optical modulation on the first laser beam and performing a second optical modulation on the second laser beam; and then combining the first laser beam and the second laser beam. The combined laser beams are directed onto an illumination path, to generate, by scanning the laser beams, a first excitation light sheet and a second excitation light sheet corresponding to the first wavelength range and the second wavelength range, respectively. The two types of excitation light sheets are combined in a propagation direction of excitation light so as to illuminate the sample. The fluorescences emitted by the sample are collected.

Abstract: The present application provides an array base plate and a detecting method thereof, and a light emitting apparatus, which relates to the technical field of displaying. The array base plate includes: a substrate, wherein the substrate includes a plurality of first light transmitting areas; and a first conductive layer located on the substrate; the first conductive layer includes a plurality of conductive-pad groups, and each of the conductive-pad groups includes at least one conductive pad; an overlapping area exists between an orthographic-projection area of the conductive pad on the substrate and one of the first light transmitting areas; and a transmittance of parts of the substrate that are located at the first light transmitting areas is greater than or equal to a first preset value.

Abstract: A backplane includes a substrate, a circuit structure layer, a reflective layer, a plurality of electronic devices and a plurality of encapsulation portions. Each encapsulation portion covers an electronic device in the plurality of electronic devices. At least one first conductive line includes a first linear extending portion, a second linear extending portion and a third linear extending portion that are sequentially connected. Orthographic projections of the first linear extending portion, the second linear extending portion, the third linear extending portion and an encapsulation portion in the plurality of encapsulation portions on the substrate are respectively a first orthographic projection, a second orthographic projection, a third orthographic projection and a fourth orthographic projection.

Abstract: Disclosed in embodiments of the present disclosure are a flexible circuit board assembly, a display assembly and a display device. The flexible circuit board assembly includes: a first flexible circuit board, including a component part, the component part being provided with components; and a first wave absorbing layer, disposed on the component part and configured to cover the components. The display assembly includes a display module and the flexible circuit board assembly; the display module includes a module body and a second binding part, and the second binding part is configured to be bent to a back surface of the module body; and the first flexible circuit board is located on the back surface of the module body and includes a first binding part, and the first binding part is bound and connected to the second binding part of the display module.

Abstract: A powered lift chair comprises a frame, a backrest, left and right armrests, a seat, a footrest, and a pair of linear actuator mechanisms. A first one of the pair of linear actuator mechanisms is utilized to control the backrest of the chair, while the second one of the pair of linear actuator mechanisms is utilized to move the frame of the chair between a lowered position and an elevated position, as well as to move the seat of the chair between a substantially horizontal orientation and a tilted orientation such that the forward end portion of the seat is tilted downwardly while the rearward end portion of the seat is tilted upwardly, all while the left and right armrests are fixed in position and disposed within horizontal planes.

Abstract: An array substrate comprises: a device region; and a peripheral region; the device region and the peripheral region each comprise a substrate, and a reflective layer; the device region comprises an interlayer dielectric layer and a plurality of devices, and the interlayer dielectric layer is at least located between the substrate and the reflective layer; the reflective layer has a plurality of hollow regions along the direction perpendicular to the substrate, and the devices are located in the hollow region; the orthographic projection of the portion of the reflective layer located in the device region onto the substrate partially overlaps with the orthographic projection of the interlayer dielectric layer onto the substrate, the portion of the reflective layer covers the portion of the substrate located in the peripheral region, and the outer contour of the substrate is consistent with the outer contour of a peripheral region of the array substrate.

Abstract: Provided are an organic electroluminescent device and a use thereof. The organic electroluminescent device comprises a metal complex having particular spectral characteristics (that is, satisfying requirements on D and AR), and the metal complex can better approach the commercially pursued BT.2020 luminescence. Compared with a metal complex that does not satisfy the requirements on D and AR, the metal complex is applied to the organic electroluminescent device to make the obtained organic electroluminescent device have higher device efficiency and more saturated green light emission, can better satisfy the BT.2020 luminescence requirement of the market, and can still maintain high device performance, especially device efficiency, when approaching the BT.2020 luminescence, and the metal complex basically reaches maximum efficiency of the device. The organic electroluminescent device comprising the preceding metal complex has a broad commercial application prospect and can achieve more saturated luminescence.

Abstract: A displaying module includes a transparent cover plate, a display panel and a heat dissipating film layer; the transparent cover plate covers a first surface of the display panel, an area of the display panel is less than an area of the transparent cover plate, and the first surface refers to a surface of the display panel where a light ray exits; and the heat dissipating film layer covers a second surface of the display panel, and at least part of an edge position of the heat dissipating film layer contacts an inner surface of the transparent cover plate, wherein the second surface refers to a surface of the display panel that is opposite to the first surface, the inner surface of the transparent cover plate refers to a surface of the transparent cover plate that contacts the display panel, and the heat dissipating film layer is electrically conductive.

Abstract: A mechanism for a zero-gravity reclining chair enables the zero-gravity reclining chair to achieve different positions, states, or modes, including a seated position, state, or mode, a standing position, state, or mode, a TV position, state, or mode, and a reclining position, state, or mode. The mechanism includes left and right-side linkage systems, as well as first and second linear actuators for moving the linkage system and chair components between the different positions, states, or modes. When the zero-gravity reclining chair is disposed at its reclining position, state, or mode, the backrest portion of the zero-gravity reclining chair is disposed at an elevational level which is the same as, or slightly below, that of the footrest portion of the chair so as to provide the occupant of the zero-gravity reclining chair with enhanced health effects.

Abstract: A lattice light sheet microscope includes a single spatial light modulator (SLM), the optical modulation plane of which conjugates to an image plane of an excitation objective and which is configured to: generate an optical lattice by loading a phase map obtained from a central cross section of a corresponding optical lattice of a desired lattice light sheet, and tile the optical lattice by loading a phase map obtained from an off-center cross section of the corresponding optical lattice. The lattice light sheet microscope also includes a transparent annular diaphragm arranged at a plane conjugating to the entrance pupil of the excitation objective lens. The lattice light sheet microscope further includes a first galvanometer configured to: scan each optical lattice in the extending direction thereof so as to form a tiled lattice light sheet.

Abstract: The patent application relates to a PN junction as well as the preparation method and use thereof. Said PN junction comprises a p-type CIGS semiconductor thin film layer and an n-type CIGS semiconductor thin film layer, wherein the n-type CIGS semiconductor thin film layer comprises or consists essentially of elements Cu, In, Ga and Se, where the Cu to In molar ratio is within the range of 1.1 to 1.5, and has a chemical formula of Cu(InxGa1-x)Se2, where x is within the range of 0.6 to 0.9. The patent application further relates to a semiconductor thin film element comprising said PN junction, in particular a photodiode element, and a photoelectric sensing module comprising said semiconductor thin film element as well as the various uses thereof.

Abstract: A radiator for terahertz electromagnetic radiation. The radiator includes one or more radiator units. Each radiator unit includes an oscillator operable to generate second harmonic power, and a patch antenna operably coupled with the oscillator for radiating terahertz electromagnetic radiation based on the generated second harmonic power.