Abstract: The present disclosure relates to a display panel and an electronic device. The display panel includes a driving array; first light-emitting deices electrically connected with the driving array; and second light-emitting devices located between at least two of the first light-emitting devices and electrically connected with the driving array. In a case where the first light-emitting devices are in a working state and the second light-emitting devices are in a first state, the display panel is in a first mode; and in a case where the first light-emitting devices are in a working state and the second light-emitting devices are in a second state, the display panel is in a second mode, wherein a visual angle of the display panel in the first mode is greater than 0 and smaller than a visual angle of the display panel in the second mode.

Abstract: The micro light-emitting diode (LED) display matrix module of the disclosure includes a multilayer circuit layer, multiple micro LEDs, and an insulating flat layer. The multilayer circuit layer includes a top circuit layer and a bottom circuit layer. The bottom circuit layer includes multiple pads. The micro LEDs are disposed on the top circuit layer of the multilayer circuit layer and define multiple light-emitting units. Each of the light-emitting units includes three of the micro LEDs that are separated from each other. The light-emitting units are arranged in a matrix of m columns and n rows to define multiple pixel regions, and quantity of the pads is equal to 3m+n. An orthographic projection of each of the micro LEDs on the bottom circuit layer completely overlaps the corresponding pad. The insulating flat layer covers the top circuit layer of the multilayer circuit layer and the micro LEDs.

Abstract: A switchable floating image display device, including a light-emitting stack layer, a light-emitting pattern stack layer, a transparent barrier layer, an optical imaging module, and a power supply module, is provided. The light-emitting stack layer is configured to generate a first pattern beam. The light-emitting pattern stack layer is configured to generate a second pattern beam. The transparent barrier layer is disposed between the light-emitting stack layer and the light-emitting pattern stack layer. The optical imaging module is configured to enable the first pattern beam to form a first floating image, and enable the second pattern beam to form a second floating image. The power supply module is electrically connected to the light-emitting stack layer and the light-emitting pattern stack layer, and configured determine whether to generate the first or second floating image by switching between the light-emitting stack layer and the light-emitting pattern stack layer to emit light.

Abstract: A contact lens product includes a multifocal contact lens and a buffer solution. The multifocal contact lens is immersed in the buffer solution. The multifocal contact lens includes a central region and at least one annular region. The annular region concentrically surrounds the central region, and a diopter of the annular region is different from a diopter of the central region. The multifocal contact lens is made of silicone hydrogel or hydrogel. The annular region closest to a periphery of the multifocal contact lens is a first annular region.

Abstract: A wearable physiological signal detecting device includes a device main body and a telescopic structure. The device main body has a strap which surrounds to form a wearable space. The telescopic structure is disposed in the strap and has first surfaces and second surfaces. Each of the first surfaces faces the corresponding second surface. Each of the first surfaces and the corresponding second surface continuously move close and contact each other to assume a first state. The strap can be forced so that each of the first surfaces and the corresponding second surface move away from each other and have an angle to assume a second state. The size of the wearable space when the first surface and the corresponding second surface assume the second state is greater than the size of the wearable space when the first surface and the corresponding second surface assume the first state.

Abstract: A system and method for providing early indication by a reduced capability New Radio (NR) User Equipment (UE). In some embodiments the reduced capability UE informs the network, by its use of a combination of preamble, Random Access Channel Occasion (RO), and initial bandwidth part (BWP), that it is a reduced capability UE. In some embodiments, the reduced capability UE transmits payload data in a Message A message. In some embodiments, the reduced capability UE receives, from the network, a set of candidate uplink resources, and transmits a Message 3 message within a subset of the set of candidate uplink resources.

Abstract: A semiconductor structure and a method of forming the same are provided. In an embodiment, a semiconductor structure includes a first plurality of channel members over a backside dielectric layer, a second plurality of channel members over the backside dielectric layer, a first gate structure over and wrapping around each of the first plurality of channel members, a second gate structure over and wrapping around each of the second plurality of channel members, and a through-substrate contact that extends between the first plurality of channel members and the second plurality of channel members, between the first gate structure and the second gate structure, and through the backside dielectric layer.

Abstract: Various implementations disclosed herein include devices, systems, and methods that refine a first 3D surface representation (e.g., a 3D point cloud or a 3D mesh) using a second 3D surface representation that includes a 3D geometric primitive. In some implementations, a first 3D surface representation of a physical environment is obtained including points at 3D locations determined based on data generated by a first sensor. In some implementations, a second 3D surface representation corresponding to at least a portion of the physical environment is obtained that includes at least one 3D geometric primitive. In some implementations, a determination whether to adjust the 3D locations of at least one point of the points of the first 3D surface representation is made based on the 3D geometric primitive, and the 3D locations of the at least one point is adjusted to align with the geometric primitive based on the determination.

Abstract: A device for measuring the complex dielectric permittivity of a material under test (MUT) includes an electromagnetic wave generating/receiving unit, a transmission line, a self-referencing waveguide section and a sensing waveguide section. The electromagnetic wave generating/receiving unit is configured to generate an electromagnetic wave signal. The transmission line has a first characteristic impedance and transmits the electromagnetic wave signal. The self-referencing waveguide section has a second characteristic impedance, and includes a front end and a back end, wherein a first reflection signal is sent from the front end. The sensing waveguide section is connected to the back end, and configured to cooperate with the back end to send out remaining subsequent reflection signals, wherein the electromagnetic wave generating/receiving unit receives the first reflection signal and the remaining subsequent reflection signals to measure the complex dielectric permittivity of the MUT.

Abstract: An artificial intervertebral disc is configured to be inserted between adjacent human vertebrae. The artificial intervertebral disc includes a first connection block, a joint block and a second connection block. The joint block has a convex surface and a rear surface. The rear surface of the joint block is stacked on the first connection block. The second connection block is slidably stacked on the convex surface of the joint block, such that the second connection block is movable relative to the first connection block. In addition, the convex surface is a curved surface, and the convex surface is arranged off-axis with respect to the rear surface.

Abstract: The present invention belongs to the technical field of aviation electrics and electric power, and provides an aircraft grid phase angle tracker based on nonlinear active disturbance rejection, which is used to estimate the grid phase angle on AC side of an aircraft grid. A embedded generator in the aircraft grid is arranged inside a compressor of an aviation gas turbine engine, and the embedded generator is directly coupled with the aviation gas turbine engine so that the AC frequency of the embedded generator varies with the speed of the aviation gas turbine engine. The present invention applies the nonlinear active disturbance rejection technology to the phase angle tracking of the more electric aircraft grid, is simple in operation and high in accuracy, and can realize high-accuracy tracking of the grid phase angle. The method has certain extensibility and can be extended to other fields.

Abstract: A light source module including a light guide plate and a light emitting element is provided. The light guide plate includes an upper surface concentric circle structure and a lower surface concentric circle structure opposite to the upper surface concentric circle structure. The center of the upper surface concentric circle structure corresponds to the center of the lower surface concentric circle structure. The light emitting element is disposed corresponding to the center of the upper surface concentric circle structure and the center of the lower surface concentric circle structure.

Abstract: An IoT wireless power transfer sensor is provided, which includes a sensor circuit, a group of retrodirective searching antennas, a group of energy harvesting antennas and a communication antenna. The sensor circuit includes a switching unit, an energy converting unit, a power management unit and an energy converting and storage unit. The searching antennas are connected to the switching unit. When the switching unit is on, the searching antennas don't harvest the energy of an external device's scanning signal; they reflect the incident energy to the external device. The energy harvesting antenna is connected to the energy converting unit and receives the incident energy to charge the energy converting and storage unit. When the power storage level of the energy converting and storage unit reaches a first threshold value, the switching unit is consecutively switched between on and off to transmit a device information in back-scattered way to the external device.

Abstract: Provided are a source driving circuit, a display device and a pixel driving method. The source driving circuit includes a voltage isolation circuit, a voltage follower circuit, a first voltage dividing circuit, a second voltage dividing circuit, a first switch circuit, a second switch circuit, a third switch circuit, a fourth switch circuit, a fifth switch circuit, a sixth switch circuit and a current source.

Abstract: A contact lens product includes a multifocal contact lens and a buffer solution. The multifocal contact lens is immersed in the buffer solution. The multifocal contact lens includes a central region and at least one annular region. The annular region concentrically surrounds the central region, and a diopter of the annular region is different from a diopter of the central region. The multifocal contact lens is made of silicone hydrogel or hydrogel. The annular region closest to a periphery of the multifocal contact lens is a first annular region.

Abstract: The disclosure relates to a traditional Chinese medicine composition and product for improving sleep by balancing yin and yang, a method for making the same and use thereof, and belongs to the technical field of traditional Chinese medicine. The disclosure provides a traditional Chinese medicine composition for improving sleep by balancing yin and yang, which has reasonable compatibility of all herbal medicines, nourishes yin to suppress yang, tonifies blood and promotes blood, regulates qi and soothes the nerves, and has the functions of reconciling yin and yang and balancing qi and blood. The composition may fundamentally improve sleep quality, with an effective rate of 100%. At the same time, all the medicines in the prescription are raw materials of medicine food homology, which are safe and effective, not cause side effects and mental dependence on the human body, and may be taken for a long time.

Abstract: A light source module including a light guide plate and a light emitting element is provided. The light guide plate includes an upper surface concentric circle structure and a lower surface concentric circle structure opposite to the upper surface concentric circle structure. The center of the upper surface concentric circle structure corresponds to the center of the lower surface concentric circle structure. The light emitting element is disposed corresponding to the center of the upper surface concentric circle structure and the center of the lower surface concentric circle structure.

Abstract: A method of a user equipment (UE) in a wireless communication network and a UE are provided. The method includes receiving, from the network, a channel status information (CSI)-reference signal (RS); determining, by the UE, whether to cancel the CSI-RS; and cancelling, by the UE, the CSI-RS if it is determined that the CSI-RS is to be cancelled.

Abstract: A user interface synchronous scrolling method includes: opening a plurality of user interfaces, obtaining a scrolling parameter through the input-output interface; and judging whether the application program corresponding to each user interface belongs to a software support mode. By determining whether the application program corresponding to each user interface belongs to the software support mode, and providing corresponding control steps, the effect of synchronous scrolling for multiple user interfaces is achieved.

Abstract: A vehicle door handle for a motor vehicle is described, which includes an integrated transmitting and/or receiving device which comprises an LF antenna and a separately formed NFC antenna. The NFC antenna has a plurality of windings provided on a circuit board. The LF antenna has a plurality of coils wound around a core material formed separately from the circuit board. The NFC antenna encompasses a projection of the LF antenna on the circuit board.