Abstract: Disclosed is a near eye display apparatus, comprising a display screen and an imaging system. The imaging system comprises a biconvex lens, a transflective plane mirror and a transflective curved mirror. The biconvex lens is configured to magnify a display image of the display screen; the transflective plane mirror is configured to receive imaging light from the biconvex lens and reflect same to the transflective curved mirror; and the transflective curved mirror is configured to converge the imaging light and reflect same to the position(s) where human eyes are located.

Abstract: A liquid cooling device includes a base plate, a cooling body, and a cover plate. The cooling body includes a frame. A cooling layer is provided in the frame and a reflux layer is provided above the cooling layer. The cooling layer is provided with a plurality of cooling channels extending from a center portion of the cooling body to the frame. The reflux layer is provided with a plurality of reflux channels in communication with the plurality of cooling channels. A periphery of the reflux layer is provided with a drainage flow channel in communication with the plurality of the reflux channels. A center portion of the cover plate being provided with a liquid inlet in communication with the plurality of cooling channels, and the cover plate is further provided with a liquid outlet in communication with the drainage flow channel.

Abstract: A light-emitting diode substrate, a manufacturing method thereof, and a display device are disclosed. The manufacturing method of the light-emitting diode substrate includes: forming an epitaxial layer group of M light-emitting diode chips on a substrate; transferring N epitaxial layer groups on N substrates onto a transition carrier substrate, the N epitaxial layer groups on the N substrates being densely arranged on the transition carrier substrate; and transferring at least part of N*M light-emitting diode chips corresponding to the N epitaxial layer groups on the transition carrier substrate onto a driving substrate, an area of the transition carrier substrate is greater than or equal to a sum of areas of the N substrates, M is a positive integer greater than or equal to 2, and N is a positive integer greater than or equal to 2.

Abstract: An optical display system, a control method, and a display device, relates to the field of display technology. The optical display system comprises a display screen a first light splitting unit disposed at a display side of the display screen; a first imaging unit comprising a light splitting film disposed at a light-incident surface of the first imaging unit; a second light splitting unit disposed at a light emission side of the first imaging unit; a phase modulation unit disposed at least in a light path from the first imaging unit to the second light splitting unit; wherein, the first-type polarized light transmitted from the first light splitting unit is transmitted from a light emission side of the second light splitting unit, after being turned back multiple times between the first imaging unit and the second light splitting unit.

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: Provided are an optical waveguide structure, an Augmented Reality (AR) device, and a method for obtaining an emergent light efficiency of an optical waveguide structure, which relates to the technical field of display. The optical waveguide structure includes: an optical waveguide body, a coupling-in grating disposed at the optical waveguide body, and a plurality of coupling-out gratings distributed and arranged. The coupling-in grating is configured to couple image light into the optical waveguide body. The optical waveguide body is configured to generate a total internal reflection of the image light to the coupling-out gratings. Diffraction efficiencies of each of the coupling-out gratings are different, and each of the coupling-out gratings is configured to couple the image light out of the optical waveguide body at the same brightness.

Abstract: An optical system, a display apparatus, and smart glasses are provided. The optical system includes a transflective element, a reflective element and a plurality of microstructures. The transflective element is configured to reflect collimated incident light to the reflective element. The reflective element is configured to reflect the collimated incident light back to a light incident surface of the transflective element, so as to adjust an angle at which the collimated incident light exits. The transflective element is further configured to transmit the reflected-back collimated incident light to a target region. The plurality of microstructures are configured to adjust angles at which ambient stray light incident on surfaces thereof exits, and to scatter the ambient stray light out of the target region.

Abstract: A wiring board includes a mother board and a daughter board that are stacked, a bonding layer disposed between the mother board and the daughter board, and at least one side wiring. The mother board includes a first substrate, and a first wiring layer disposed on the first substrate and including at least one first connection pad. The daughter board is disposed on a side of the first substrate away from the first wiring layer. The daughter board includes a second substrate, and a second wiring layer disposed on the second substrate and including at least one second connection pad. The at least one side wiring is connected, via a respective end thereof, to the at least one first connection pad in one-to-one correspondence, and the at least one side wiring is connected, via respective another end thereof, to the at least one second connection pad in one-to-one correspondence.

Abstract: The subject matter includes a smart device control method, comprising: receiving a device control instruction, and acquiring device distance information respectively between the first positioning device and each smart device, and between the second positioning device and each smart device: calculating a LOS deviation angle between a wearer of the head-mounted device and each of the smart devices based on the device distance information, wherein the LOS deviation angle is an angle between the wearer's direct LOS and a relative direction of the device, and the relative direction of the device is a direction of a line connecting a midpoint of a connection between the first positioning device and the second positioning device to the smart devices: and determining a smart device with a LOS deviation angle less than a pre-set value as a to-be-controlled device, and sending a device control instruction to the to-be-controlled 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: 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: 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: 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.