Abstract: A display substrate is provided, which includes a base substrate and a plurality of sub-pixels disposed on the base substrate. At least one sub-pixel includes a light transmittance region and a display region. The display region includes a circuit structure layer and a light-emitting element which are disposed on a base substrate, and the light-emitting element is connected with the circuit structure layer. The display substrate further includes a plurality of insulating layers disposed on the base substrate, and at least one insulating layer is hollowed out in the light transmittance region.

Abstract: A memory device includes a memory array and a control logic coupled to the memory array. The memory array includes memory blocks. Each memory block includes memory cell strings, and each memory cell string includes a first memory cell, second memory cells, and a third memory cell. The second memory cells are between the first memory cell and the third memory cell. The first memory cell is coupled to a bit line, the third memory cell is coupled to a source line, the first memory cell is coupled with a first dummy word line, the second memory cells are respectively coupled with second word lines, and the third memory cell is coupled with a third word line.

Abstract: An AR optical system includes a depth-of-field separation structure corresponding to an image source, configured to convert light rays emitted from the image source into a plurality of light beams with different depths of field; a convergent lens located on an emergent light path of the depth-of-field separation structure, and configured to receive and shape the plurality of light beams with different depths of field; a first semi-transmitting semi-reflecting mirror located on a side, away from the depth-of-field separation structure, of the convergent lens, and configured to reflect the plurality of shaped light beams with different depths of field towards a set direction; a concave mirror having a preset transmission-reflection ratio configured to reflect and converge the plurality of light beams with different depths of field and then make the light beam incident to a set observation position after passing through the first semi-transmitting semi-reflecting mirror.

Abstract: A method and device for optimizing regulation of reservoir sediment discharging, comprises: determining a relation curve between a dam front water depth and a reservoir capacity; determining a time length by which a sediment peak is propagated to the front of a dam and a time length by which the sediment peak lags behind a flood peak at the front of the dam based on the relation curve and the hydrologic features; determining another relation curve between a sediment peak attenuation rate and a sediment concentration of the sediment peak, and a time length by which the sediment peak subjected to a man-made flood wave is propagated to the front of the dam; and acquiring a real-time sediment concentration, and generating the man-made flood wave based on the time length by which the sediment peak is propagated to the front of the dam and the another relation curve.

Abstract: This disclosure provides a memory device, a memory system, and an operation method. The memory device includes a memory array having a plurality of memory blocks and a control circuit coupled to the memory array and used to control the memory array. The control circuit is configured to determine a first average value of threshold voltages of bottom dummy cells in an unused memory block, determine a difference value between the first average value and a first reference value, and judge based on the difference value when bottom dummy cells in the memory block are to be programmed so that the first average value reaches a first threshold.

Abstract: The present disclosure provides a method for controlling a 3D NAND memory using a read operation. The method can include increasing a voltage to a plurality of top select gates, with respect to a first reference voltage level, during a pre-pulse period of the read operation prior to a read period of the read operation. The method can also include increasing a voltage to a plurality of word lines, with respect to a second reference voltage level, during the pre-pulse period. The method can also include decreasing a voltage to a bit line, with respect to the first voltage, during the pre-pulse period. The method can also include applying no voltage change to a bottom select gate during the pre-pulse period.

Abstract: A computer-implemented method, according to one embodiment, includes obtaining information about a plurality of remote storage systems. Each of the remote storage systems includes a cache. The method further includes generating a routing table based on the information, the routing table indicating potential write data migration paths from a cache of a local storage system to the caches of the remote storage systems. A write data migration plan is generated based on the routing table. The write data migration plan specifies which of the caches of the remote storage systems to migrate at least some write data originally intended to be stored on the cache of the local storage system to. In response to a determination that a first predetermined condition associated with the cache of the local storage system is met, the method includes causing the write data migration plan to be performed.

Abstract: A near-eye display apparatus is disclosed. The near-eye display apparatus includes a lens and an optical path folding assembly. The lens is configured to receive incident light of a first image, which is projected by a micro-display, and shape the first image; the lens includes a primary optical axis and a first lens face and a second lens face which are opposed in a first direction where the primary optical axis of the lens is positioned, a curvature radius of the first lens face is within a range of 70 to 100 millimeters, and a curvature radius of the second lens face is within a range of 10 to 30 millimeters; and the optical path folding assembly is configured to receive light of the first image shaped by the lens and fold an optical path from the lens to an exit pupil of the near-eye display apparatus.

Abstract: Disclosed is a control method for an audio device, the audio device includes a playing component and a display screen rotatably connected to the playing component, and the control method for the audio device includes the following steps: detecting a position of a user; determining a rotation mode of the display screen according to the position; acquiring a display expression corresponding to the rotation mode; and displaying the display expression on the display screen, and controlling the display screen to operate according to the rotation mode. This disclosure further provides an audio device and a computer-readable storage medium. This application improves the user's interaction experience with the audio device.

Abstract: The present disclosure provides systems and methods for generating and transmitting, or applying, a noise profile based on a determined environment a host device is operating in. The host device may receive data from one or more sensors, location information, and/or device information. The sensors may include a pressure, temperature, light, location, or humidity sensor. The location information may include data from a global positioning system and/or connectivity signals, such as multicast DNS and/or Bluetooth broadcast. Device information may include schedule data and/or device state information. The data from one or more sensors, the location information, and/or the device information may be aggregated to determine the environment in which the host device is operating in. Based on the determined environment, a noise profile generator may generate a noise profile. The noise profile may define gains to be applied to audio signals being output to the user.

Abstract: Disclosed is a control method for an audio device, the audio device includes a wireless charging module and a display screen, and the control method for the audio device includes the following steps: in response to detecting a mobile device is placed on the audio device, acquiring a screen placement state of the mobile device, the screen placement state includes at least one of a screen flat state, a screen horizontal state and a screen vertical state; and displaying display content of the display screen on a screen of the mobile device according to the screen placement state. This disclosure further provides an audio device and a computer-readable storage medium. The problem that the display effect of the display screen of the audio device will be affected when the audio device performs wireless charging for the mobile device has been solved.

Abstract: A gesture-based display interface control method and apparatus, a device and a storage medium, belonging to the technical field of intelligent devices. The method includes: acquiring a first gesture of a user, and determining whether the first gesture is kept for more than a preset time; if the first gesture is kept for more than the preset time, displaying a target virtual gesture point on the current display interface; and acquiring a second gesture of the user, and moving the target virtual gesture point on the current display interface according to the second gesture. According to the method, the virtual gesture point is displayed on the display interface, and the virtual gesture point is randomly moved on the display interface, so that any interactive control on the current display interface can be operated, and gesture control is more intelligent and comprehensive while improving the accuracy of gesture control.

Abstract: Disclosed is a control method for an audio device, the audio device includes a playing component and a display screen rotatably connected to the playing component, and the control method for the audio device includes the following steps: in response to detecting rotation of the display screen, acquiring a first rotation direction and a first rotation angle of the display screen in a preset three-dimensional coordinate system; determining a second rotation direction and a second rotation angle of display content on the display screen according to the first rotation direction and the first rotation angle, where the first rotation direction is opposite to the second rotation direction, and a difference between the second rotation angle and the first rotation angle is less than or equal to a preset value; and adjusting a display orientation of the display content according to the second rotation direction and the second rotation angle.

Abstract: The present application relates to the technical field of loudspeakers. Disclosed are a loudspeaker device, a method, apparatus and device for adjusting the sound effect thereof, and a medium. The method is used for increasing the diversity of the sound effect of the loudspeaker device, and comprises: determining the spatial distribution state of multiple loudspeaker units in the loudspeaker device; determining a sound effect mode corresponding to the spatial distribution state; and adjusting the sound effect of the loudspeaker device according to the sound effect mode. According to the present application, the sound effect mode is accordingly adjusted according to the spatial distribution state of multiple loudspeaker units in the loudspeaker device. In this way, when the spatial distribution state changes, the sound effect mode of the loudspeaker device also changes, thereby overcoming the defect of the single sound effect of the loudspeaker device, i.e.

Abstract: A screen delivery method, a vehicle bracket and a storage medium are provided. In the method, at least one mobile terminal around the vehicle bracket is detected; a target mobile terminal is determined from the at least one mobile terminal based on a change in intensity of a magnetic field between the at least one mobile terminal and the vehicle bracket; and screen delivery is performed between the vehicle bracket and the target mobile terminal based on a communicational connection between the vehicle bracket and the target mobile terminal in a case that it is determined that the target mobile terminal is fixed on the vehicle bracket. Therefore, with the method, the user's different application requirements for the vehicle bracket are met, and the user experience is improved.

Abstract: A system and method is provided for improving signal quality in communications among fully wireless systems including a host device in wireless communication with a primary accessory which further wirelessly communicates with a secondary accessory. The host device generates information for use by the primary accessory in determining which channels have interference and should be avoided. The information may include an adaptive frequency hopping (AFH) channel map for communications between the host and the primary device, from which the primary device can infer which frequency bands have interference and generate a second AFH map for communications between the primary accessory and the secondary accessory accordingly. In other examples the information includes the second AFH map generated by the host, for example, based on an out-of-band scan. In further examples, the information includes an indication of channels used by recognized nearby access points.

Abstract: Disclosed is a control method for an audio device, the audio device includes a playing component and a display screen rotatably connected to the playing component, and the control method for the audio device includes the following steps: detecting a position of a user; determining a rotation mode of the display screen according to the position; acquiring a display expression corresponding to the rotation mode; and displaying the display expression on the display screen, and controlling the display screen to operate according to the rotation mode. This disclosure further provides an audio device and a computer-readable storage medium. This application improves the user's interaction experience with the audio device.

Abstract: Disclosed is a control method for an audio device, the audio device includes a playing component and a display screen rotatably connected to the playing component, and the control method for the audio device includes the following steps: in response to detecting rotation of the display screen, acquiring a first rotation direction and a first rotation angle of the display screen in a preset three-dimensional coordinate system; determining a second rotation direction and a second rotation angle of display content on the display screen according to the first rotation direction and the first rotation angle, where the first rotation direction is opposite to the second rotation direction, and a difference between the second rotation angle and the first rotation angle is less than or equal to a preset value; and adjusting a display orientation of the display content according to the second rotation direction and the second rotation angle.

Abstract: A screen delivery method, a vehicle bracket and a storage medium are provided. In the method, at least one mobile terminal around the vehicle bracket is detected; a target mobile terminal is determined from the at least one mobile terminal based on a change in intensity of a magnetic field between the at least one mobile terminal and the vehicle bracket; and screen delivery is performed between the vehicle bracket and the target mobile terminal based on a communicational connection between the vehicle bracket and the target mobile terminal in a case that it is determined that the target mobile terminal is fixed on the vehicle bracket. Therefore, with the method, the user's different application requirements for the vehicle bracket are met, and the user experience is improved.

Abstract: Described herein are compositions and methods useful for isolating compositions that repel insects, including mosquitoes.