Abstract: A water-surface wave-absorbing structure comprises an equipment cabin and an airbag cabin vertically mounted below the equipment cabin; a solar cell module and an energy storage device in the equipment cabin are mounted on an upper surface of the equipment cabin, a signal transceiver is mounted on top portions of the solar cell module and the energy storage device, a central air distributing device is mounted in the equipment cabin, two ends of the central air distributing device are respectively connected to an air compressor and an air storage tank through vent pipelines, and a central controller is arranged in the central air distributing device and sends control instructions to the central air distributing device and the air compressor; and the airbag cabin comprises a plurality of airbag units, each airbag unit is provided with a plurality of mutually independent air chambers.

Abstract: The present invention discloses a quickly-detachable airbag-type floating breakwater, including a plurality of water wave absorbing structure units arranged along a length direction of the breakwater. The adjacent water wave absorbing structure units are connected by a connecting unit. The water wave absorbing structure unit comprises at least two floats arranged side by side and a wave absorbing plate located between the floats. The water wave absorbing structure unit comprises at least two floats arranged side by side and a wave absorbing plate located on the floats. The connecting unit comprises bases located at the ends of the floats, an airbag located between the adjacent bases, and a steel chain, the adjacent bases wrapping the airbag to form a buffer connecting structure.

Abstract: A three-dimensional display system is provided. The three-dimensional display system includes: a projection body having a three-dimensional shape and a transflective property; an optical reflector including at least one reflection surface; a first driving structure for driving the projection body or the optical reflector to rotate, so that the projection body and the optical reflector rotate relative to each other; an image processor for decomposing a three-dimensional image of an object to obtain multiple two-dimensional images at different cross-sections of the three-dimensional image, and sending the two-dimensional images to at least one projector configured to project the two-dimensional images onto one of the at least one reflection surface in sequence at a regular interval, and reflect the two-dimensional images to different positions on the projection body by means of the at least one reflection surface, to form the three-dimensional image.

Abstract: A multipurpose combined flexible floating breakwater, wherein each water-surface wave absorbing structure comprises a rubber buoy, a bearing rope passing through a central hole of the rubber buoy, active shackles connected at two ends of the bearing rope, and anti-sliding devices arranged at two ends of the rubber buoy to prevent the rubber buoy from sliding on the bearing rope randomly; a connecting structure comprises a cross-shaped pull ring and a connecting anchor chain, the cross-shaped pull ring is used for connecting adjacent water-surface wave absorbing structures in the same row, and the connecting anchor chain with two ends connected with the active shackles is used for connecting adjacent water-surface wave absorbing structures in different rows; and the purpose of mooring is achieved through a mooring system.

Abstract: A method for log analysis includes receiving log outputs from an application and generating a log file by recording the log outputs in the log file and, for each log output in the log file, attaching a log context record to the log output. The log context record is encoded with a call stack having stack frames and one or more variables in the stack frames. The method further includes grouping the log outputs in the log file based on their log context records.

Abstract: The present invention discloses a quickly-detachable airbag-type floating breakwater, including a plurality of water wave absorbing structure units arranged along a length direction of the breakwater. The adjacent water wave absorbing structure units are connected by a connecting unit. The water wave absorbing structure unit comprises at least two floats arranged side by side and a wave absorbing plate located between the floats. The water wave absorbing structure unit comprises at least two floats arranged side by side and a wave absorbing plate located on the floats. The connecting unit comprises bases located at the ends of the floats, an airbag located between the adjacent bases, and a steel chain, the adjacent bases wrapping the airbag to form a buffer connecting structure.

Abstract: A viewing angle control device capable of controlling a viewing angle over a viewing surface is disclosed herein, which includes a transparent substrate and at least one light source. The transparent substrate is disposed over the viewing surface. Each light source is disposed over a side surface of the transparent substrate and is configured to emit a light into the transparent substrate from the side surface upon being turned on. The transparent substrate is provided with a plurality of dots, which are configured to scatter the light from each light source such that the viewing angle over the viewing surface is switched by turning on or off the each light source. A display apparatus including a viewing angle control device is also disclosed, where the transparent substrate of the viewing angle control device is disposed over a display surface of a display panel.

Abstract: An OLED display substrate and a display device are provided. The OLED display substrate includes a plurality of sub-pixel regions corresponding to different colors arranged on a substrate. Each sub-pixel region includes a thin film transistor, an anode, a light-emitting layer and a cathode arranged successively in a direction away from the substrate, and a microcavity structure is formed between the anode and the cathode. The anode includes a hollowed-out portion, the light-emitting layers of the sub-pixel regions corresponding to different colors are of different thicknesses, or the anodes of the sub-pixel regions corresponding to different colors are of different thicknesses.

Abstract: The present disclosure relates to the field of display technology. In particular, a polarization switching device, a display apparatus comprising such a device, and a driving method for such a device are disclosed. Thereby, problems are solved, such as a reduced user experience due to the existing display apparatus incapable of switching the viewing angle range. By disposing the first and second conductive layers in the confined space of such a device, and controlling voltages for the first and second conductive layers, this application can change the size and the direction of the electric field in the confined space. As such, the long axis of the one-dimensional nanometer conductive material located in the confined space can be arranged along the direction of the electric field, so as to form a grating.

Abstract: Provided are underwater spectacles, including a spectacle holder, spectacle belts and an intelligent control system. The intelligent control system includes a warning device, a microprocessor and a plurality of radars. The plurality of radars are respectively disposed on the spectacle holder and the spectacle belts. Input ends of the microprocessor are respectively connected with the plurality of radars, and an output end of the microprocessor is connected with the warning device. The microprocessor acquires signals of the radars, determine obstacle information and/or danger avoiding information around the head of a user, and send the information to the warning device. The warning device receives and provides the user with the obstacle information and/or the danger avoiding information. A control method of the underwater spectacles is also provided.

Abstract: A multipurpose combined flexible floating breakwater, wherein each water-surface wave absorbing structure comprises a rubber buoy, a bearing rope passing through a central hole of the rubber buoy, active shackles connected at two ends of the bearing rope, and anti-sliding devices arranged at two ends of the rubber buoy to prevent the rubber buoy from sliding on the bearing rope randomly; a connecting structure comprises a cross-shaped pull ring and a connecting anchor chain, the cross-shaped pull ring is used for connecting adjacent water-surface wave absorbing structures in the same row, and the connecting anchor chain with two ends connected with the active shackles is used for connecting adjacent water-surface wave absorbing structures in different rows; and the purpose of mooring is achieved through a mooring system.

Abstract: An optical device for a display panel. The optical device comprises an optical element (1). The optical element (1) may include a first surface (3) and a second surface (4) opposite the first surface, and side surfaces. The optical device may further comprise a light source (2) facing one of the side surfaces of the optical element (1). The optical element (1) may comprise a compound containing a photoisomer group. The photoisomer group may undergo a photoisomerization under an irradiation of the light source. Accordingly, an illumination area by a light passing through the first surface (3) and exiting from the second surface (4) may increase or decrease.

Abstract: A smart watch, an operation control method and an apparatus therefor are disclosed. The smart watch includes a watch body and a watchband, wherein the watch body includes a display screen and a system board, and the system board includes at least a microprocessor, a memory and a communication module. The watchband is configured to fix the watch body on a user's wrist. A biosensor is integrated on the surface of the wristband on a side adjacent to the user's wrist. As the watchband can contact directly with wrist side nerves, more accurate test results can be obtained, and operational complexity is simplified. By canceling the bezel design and performing a corresponding operation according to a touch operation detected in a functional region, a size of the smart watch is reduced and comfort and flexibility while wearing the smart watch is improved.

Abstract: A water-surface wave-absorbing structure comprises an equipment cabin and an airbag cabin vertically mounted below the equipment cabin; a solar cell module and an energy storage device in the equipment cabin are mounted on an upper surface of the equipment cabin, a signal transceiver is mounted on top portions of the solar cell module and the energy storage device, a central air distributing device is mounted in the equipment cabin, two ends of the central air distributing device are respectively connected to an air compressor and an air storage tank through vent pipelines, and a central controller is arranged in the central air distributing device and sends control instructions to the central air distributing device and the air compressor; and the airbag cabin comprises a plurality of airbag units, each airbag unit is provided with a plurality of mutually independent air chambers.

Abstract: A lamp holder for a desk lamp and the desk lamp are disclosed. The lamp holder comprises: a light scattering plate, comprising a first face and a second face arranged oppositely to each other and side faces around ends of the first and second faces. The light scattering plate comprises at least one light-entering side face where light is capable of entering. Light can enter the light scattering plate from the light-entering side face of the light scattering plate, and after being scattered by the light scattering plate, a portion of the light exits from the first face of the light scattering plate and another portion of the light exits from the second face of the light scattering plate. The lamp holder provides not only sufficient lighting in the operational area located below the lamp holder, but also some lighting above the lamp holder.

Abstract: Embodiments of the present invention disclose a triboelectrification device and a display device. The triboelectrification device includes at least one layered electricity generating assembly that is stacked, the at least one layered electricity generating assembly each comprising an electrode layer, an insulating layer, a metal layer and an elastomer; the electrode layer, the insulating layer, and the metal layer are arranged in sequence from above downwards, the elastomer is disposed between the electrode layer and the metal layer and is located at at least one side of the insulating layer.

Abstract: A viewing angle control device capable of controlling a viewing angle over a viewing surface is disclosed herein, which includes a transparent substrate and at least one light source. The transparent substrate is disposed over the viewing surface. Each light source is disposed over a side surface of the transparent substrate and is configured to emit a light into the transparent substrate from the side surface upon being turned on. The transparent substrate is provided with a plurality of dots, which are configured to scatter the light from each light source such that the viewing angle over the viewing surface is switched by turning on or off the each light source. A display apparatus including a viewing angle control device is also disclosed, where the transparent substrate of the viewing angle control device is disposed over a display surface of a display panel.

Abstract: The present disclosure provides a vehicle control device, a vehicle control method and a head-up display apparatus. The vehicle control device includes: an extraction circuit used to extract brain wave signals of a user; and a control circuit used to determine whether the user is in an unsafe driving state according to the brain wave signals, and perform at least one of operations including issuing a warning reminder and controlling vehicle deceleration when determining that the user is in the unsafe driving state.

Abstract: A fishing apparatus and a method for controlling the same. The fishing apparatus includes: a fishing rod having a reel and a motor connected with the reel; a brainwave collection unit arranged to collect a brainwave signal from a user of the fishing apparatus; and a control unit arranged to receive the brainwave signal collected by the brainwave collection unit. The apparatus generates a motor control signal according to the brainwave signal and transmits the motor control signal to the motor. The motor drives the reel to rotate under the control of the motor control signal. The fishing apparatus and the method for controlling the same as provided by the present disclosure are easy to use and labor-saving.

Abstract: The present disclosure provides a head-mounted display apparatus, which includes an image displaying assembly and an external view monitoring assembly. The image displaying assembly comprises an image display region and is configured to cover, and to provide images to, eyes of a user. The external view monitoring assembly comprises a means for monitoring external images from an environment without moving the image displaying assembly away from the eyes of the user. In the head-mounted display apparatus, the image displaying assembly can be disposed on a connecting member connecting a first earcup and a second earcup. The first earcup and the second earcup can be configured to be respectively mounted onto two ears of the user.