Abstract: Provided are a display panel and a display device. The display panel includes isolation columns and a partition insulating layer. The partition insulating layer is disposed on at least one of a first side surface of the isolation column facing a hole region or a second side surface of the isolation column facing away from the hole region.

Abstract: A head-mounted display apparatus includes a display, a strap and a head-turning assisting device; two ends of the strap are fixedly connected to the display; the head-turning assisting device is positioned in the strap; when the head-mounted display apparatus is worn on the head of the human body, the display is positioned in the position of the eyes of the human body, and the strap is wrapped around the head of the human body; the display includes a master controller and a display module, the master controller is electrically connected to both the head-turning assisting device and the display module. The master controller is configured to acquire a display image from the display module, and to control the head-turning assisting device to assist the head of the human body to turn according to the display image.

Abstract: Disclosed is an identity authentication system for distributed Internet of vehicles (IoV), including a core cloud, a plurality of edge clouds, a plurality of road side units (RSUs) and a plurality of terminal vehicles. The core cloud stores registration information about the terminal vehicles and the RSUs; the edge cloud performs identity verification on the RSUs according to the registration information, and after the verification is passed, the edge cloud generates a temporary shared session key and sends the same to the RSU and the terminal vehicle, and the RSU and the terminal vehicle establish encrypted communication according to the temporary shared session key, to provide a network communication service for the terminal vehicle. In the present disclosure, a vehicle identity authentication efficiency in a scene with a large traffic density can be effectively improved.

Abstract: The present disclosure provides a method for allocating memory, computer device and storage medium. The method can achieve allocation of hard disk memory to a target application through use of free memory information of the hard disk memory and size information written into a first storage space. In addition, the free memory information of the hard disk memory is stored in system memory, and during allocation for the hard disk memory, the free memory information of the hard disk memory is directly read from the system memory.

Abstract: Provided are a head-mounted device and a method for controlling a head-mounted device. The head-mounted device includes an adjustment assembly. The adjustment assembly includes an adjustment push block, a driving apparatus and an adjustment gear. Two adjustment push blocks are provided. One of the device host and the at least one of the device legs is provided with a fixed seat, and the other of the device host and the at least one of the device legs is provided with a movable seat, and each of the two adjustment push blocks is slidably disposed on the fixed seat. The adjustment gear is disposed at an output end of the driving apparatus, is located between the two adjustment push blocks, and is meshed with the two adjustment push blocks, and the two adjustment push blocks are configured to drive the device legs to rotate in opposite directions.

Abstract: Provided are a head-mounted device and a method for controlling a head-mounted device. The head-mounted device includes an adjustment assembly. The adjustment assembly includes an adjustment push block, a driving apparatus and an adjustment gear. Two adjustment push blocks are provided. One of the device host and the at least one of the device legs is provided with a fixed seat, and the other of the device host and the at least one of the device legs is provided with a movable seat, and each of the two adjustment push blocks is slidably disposed on the fixed seat. The adjustment gear is disposed at an output end of the driving apparatus, is located between the two adjustment push blocks, and is meshed with the two adjustment push blocks, and the two adjustment push blocks are configured to drive the device legs to rotate in opposite directions.

Abstract: An augmented reality display system includes a body, an image source device configured to output image information, an optical waveguide device configured to receive the image information, and an optical fiber array image transmission bundle. The optical fiber array image transmission bundle includes a number of optical fibers. Each optical fiber includes an input end and an output end. Each input end is coupled with a first microlens protruding outward, and each output end is coupled with a second microlens protruding outward. The image information output by the image source device is coupled into the optical fiber array image transmission bundle through the first microlenses for total reflection, and then collimated by the second microlenses and emitted directly to the optical waveguide device. An augmented reality display device having the augmented reality display system is also disclosed.

Abstract: A head-mounted display apparatus includes a display, a strap and a head-turning assisting device; two ends of the strap are fixedly connected to the display; the head-turning assisting device is positioned in the strap; when the head-mounted display apparatus is worn on the head of the human body, the display is positioned in the position of the eyes of the human body, and the strap is wrapped around the head of the human body; the display includes a master controller and a display module, the master controller is electrically connected to both the head-turning assisting device and the display module. The master controller is configured to acquire a display image from the display module, and to control the head-turning assisting device to assist the head of the human body to turn according to the display image.

Abstract: Provided are an environmental sound pass-through method and apparatus applied to VR, a device and a storage medium. The method includes the steps below. Environmental audio information of an ambient environment is acquired by a microphone on a VR device based on a see-through mode of the VR device. The environmental audio information is located to determine sound source position information according to the time difference of the environmental audio information reaching microphones on the VR device, and a filtering process is performed on the environmental audio information to determine filtered audio information. Directional pickup is performed on the filtered audio information to determine to-be-processed audio information according to the sound source position information. A signal amplitude and pass-through loudness of the to-be-processed audio information are adjusted to determine target audio information, and the target audio information is played by a speaker of the VR device.

Abstract: The embodiments of the present disclosure provide a headset device with speakers, a signal processing method and an analysis system thereof. The headset device with speakers includes a speaker assembly and a first sound receiving assembly, and provides noise reduction effect on surrounding environment by the signal processing method for the headset with speakers. The speaker assembly includes a signal processing module. The signal processing module performs calibration by the sound transfer function to solve the playback influence arisen from the sound transmission distance between the speaker assembly and the human ear. The signal processing module performs calibration to calibrate the signal outputted by the speaker assembly to cancel the environmental noise, so that it can effectively solve the problem of attenuation of the sound received by the human ear due to the sound transmission distance of the open speaker.

Abstract: An automatic righting system includes a discrimination calibration module, a righting module, and a controller. The discrimination calibration module includes a distance sensing unit. The distance sensing unit is located at the front end of the glasses and configured to acquire the distance between the distance sensing unit and a first feature position. The righting module includes a push-up air cushion. The push-up air cushion is mounted at the front end of the glasses. The push-up air cushion is configured to be inflated to push the glasses to move upward. The controller is electrically connected to the distance sensing unit and the push-up air cushion. The controller is configured to control the push-up air cushion to start or stop to right the glasses according to a distance signal of the distance sensing unit.

Abstract: A drying box for storing solar cell chips includes a box body (1). Within the box body is installed a top cover (2) that is reversibly opened and divides an inner chamber of the box body into a storage chamber (13) at a lower part and a temporary storage chamber (14) at an upper part, and a side wall of the temporary storage chamber is provided with a purge hole (3). The drying box further includes a control cabinet (4) disposed at one end of the box body. The control cabinet is provided with a central controller as well as a purge controller and a drive device (5) electrically connected to the central controller. An inlet end of the purge controller is connected to a gas source and an outlet end is connected to the purge hole through a gas pipe. The drive device is connected to the top cover.

Abstract: The present disclosure discloses a sputter coating device and method for a solar cell. The sputter coating device includes a target for sputtering to a substrate, a blocking unit between the target and the substrate, and the orthographic projection of the blocking unit on the substrate partially coincides with the orthographic projection of the target on the substrate.

Abstract: The disclosure provides a stress release method and device for packaging film of flexible photovoltaic module. The method comprises: placing a film to be cut on a loading platform; cutting the film with an insert such that an incision inclined relative to an edge of the film is formed on the film; and activating the feeding mechanism and driving the film to move along an axial direction thereof such that the insert moves out of the incision to a next position to be cut on the film. The stress release method and device according to the embodiments of the present disclosure can realize the release of the stress and shrinkage of the packaging film without changing the amount of the material of the packaging film, such that the risk of wrinkling during subsequent processing can be reduced.

Abstract: The present disclosure provides a laying device. The laying device includes: a fixing bracket, a weight pulley, and a working platform. With the laying device provided in the present disclosure, the weight pulley provides a fixed pressing force for the sealing tape, and the position of the weight pulley is set in advance, so that the sealing tape is subjected to a suitable pressing force, and the pressing uniformity of the sealing tape is good. Moreover, the weight pulley is movable relative to the edge of the photovoltaic module to be processed. Thus, for the photovoltaic module to be processed whose edge is linear, the sealing tape may be laid on the photovoltaic module to be processed along a straight line, and it can be ensured that the sealing tape is laid without bending, which ensures the appearance and performance of the photovoltaic module to be processed.