Abstract: A method for transferring light-emitting diodes (LEDs) and a light-emitting base plate are disclosed. The method for transferring LEDs includes: providing a target base plate and a transfer base plate, wherein the target base plate includes a target substrate and a barrier layer, wherein a plurality of clamping grooves are formed by the barrier layer and the target substrate; and a plurality of LEDs are connected to a side of the transfer base plate; aligning the target base plate with the transfer base plate; and moving the transfer base plate in a preset direction, to cause the LEDs to be separated from the transfer base plate.

Abstract: A communication method based on orbital angular momentum (OAM) is performed by a receiving end, and includes: transmitting indication information to indicate a transmitting end to determine a transmitting mode. Transmitting indication information may include determining a target OAM mode combination from preset K+1 OAM mode combinations and transmitting the indication information to indicate to determine the transmitting mode of the transmitting end based on the target OAM mode combination. It may also include one of determining channel information about a wireless channel between the receiving end and the transmitting end; and transmitting second indication information, or determining a first deflection angle between the receiving end and the transmitting end; and transmitting third indication information.

Abstract: A method for orbital angular momentum (OAM) beam communication includes: transmitting a reference signal (RS) to a receiver; receiving feedback information provided by the receiver based on the RS; determining a weight vector corresponding to the transmitter based on the information, in which, the weight vector adjusts a divergence angle of an OAM beam transmitted by the transmitter; determining an OAM signal to be transmitted, and adjusting a divergence angle of the OAM signal to be transmitted based on the weight vector to obtain an adjusted OAM beam; transmitting the adjusted OAM beam.

Abstract: A method for determining a transmission array of an orbital angular momentum (OAM) system, performed by a transmitter, that can include determining a plurality of transmission arrays from a first concentric circular array of the transmitter, transmitting, respectively and sequentially by the plurality of transmission arrays, a first reference signal to a receiver, and receiving first target index information from the receiver, and determining the transmission array of the OAM system based on the first target index information.

Abstract: A hybrid display device and a spliced display device are provided. The hybrid display device includes a display panel and a light-emitting module. The light-emitting module includes a backlight module and a display module. The backlight module is disposed corresponding to a display area, and the display module is disposed corresponding to a border area and is configured for image display in the border area. The light-emitting module integrates the backlight module for providing backlight to the display area and the display module for displaying images in the border area.

Abstract: A splicing display panel and a splicing display device are provided. The splicing display panel includes at least two spliced first display modules and at least one second display module. There is a seam between two adjacent first display modules. A portion of the first display module corresponding to a bezel area is provided with an accommodating slot. The accommodating slot of one of the first display modules is spliced with the accommodating slot of another one of the first display modules to form an accommodating cavity. The at least one second display module is arranged in the accommodating cavity, and the second display module covers the seam.

Abstract: The present disclosure provides a spliced display device. The spliced display device includes two liquid crystal display (LCD) panels and a plurality of light-emitting diode (LED) chips. Each LCD panel includes a first frame area. The first frame areas of the two LCD panels are disposed adjacent to each other. The LED chips are disposed in the first frame area.

Abstract: Disclosed are a display module and a display device. The display module includes at least two display panels that are spliced; The display module further includes a groove disposed between two adjacent display panels and a light guiding portion disposed in the groove. The light guiding portion includes a light-incident surface near a bottom of the groove and a light-exiting surface away from the bottom of the groove.

Abstract: The present application provides a display module and a display device. The display module comprises at least two display panels, two adjacent display panels are spliced along a first direction or a second direction, and the first direction is different from the second direction. The display module further comprises a groove disposed between two adjacent display panels and a convex lens portion disposed in the groove. At least one convex portion is disposed on one side of the convex lens portion away from bottom of the groove.

Abstract: A spliced panel is disclosed. At least two display panels are spliced to each other. Each of the at least two display panels includes a bending part and a non-bending part. The bending part is bent from a side of the non-bending part to a back surface of the at least two display panels. The non-bending part is configured to display an image. In the at least two display panels spliced to each other, the bending part of one of the at least two display panels is correspondingly spliced to the bending part of another of the at least two display panels to form a support structure. A light-emitting diode (LED) substrate is disposed on the support structure.

Abstract: The present disclosure provides a method and apparatus for determining an OAM beam transmission direction, a terminal device, an access network device and a storage medium and belongs to the field of communication technologies. The method includes: determining, by a sender, a plurality of transmitting directions; based on the plurality of transmitting directions, sequentially transmitting a plurality of first OAM beams to a receiver; receiving beam information sent by the receiver, and based on the beam information, determining the OAM beam transmission direction.

Abstract: Disclosed are a display module and a display device. The display module includes at least two display panels that are spliced; The display module further includes a groove disposed between two adjacent display panels and a light guiding portion disposed in the groove. The light guiding portion includes a light-incident surface near a bottom of the groove and a light-exiting surface away from the bottom of the groove.

Abstract: A hybrid display device and a spliced display device are provided. The hybrid display device includes a display panel and a light-emitting module. The light-emitting module includes a backlight module and a display module. The backlight module is disposed corresponding to a display area, and the display module is disposed corresponding to a border area and is configured for image display in the border area. The light-emitting module integrates the backlight module for providing backlight to the display area and the display module for displaying images in the border area.

Abstract: A splicing display panel and a splicing display device are provided. The splicing display panel includes at least two spliced first display modules and at least one second display module. There is a seam between two adjacent first display modules. A portion of the first display module corresponding to a bezel area is provided with an accommodating slot. The accommodating slot of one of the first display modules is spliced with the accommodating slot of another one of the first display modules to form an accommodating cavity. The at least one second display module is arranged in the accommodating cavity, and the second display module covers the seam.

Abstract: Embodiments of the present application provide a spliced display panel and a spliced display device. In the spliced display panel provided by the embodiments of the present application, a second display module is disposed on a non-display surface of a first display module and corresponding to a spliced region.

Abstract: The disclosure provides a three-dimensional (3D) image classification method and apparatus, a device, and a storage medium. The method includes: obtaining a 3D image, the 3D image including first-dimensional image information, second-dimensional image information, and third-dimensional image information; extracting a first image feature corresponding to planar image information from the 3D image; extracting a second image feature corresponding to the third-dimensional image information from the 3D image; fusing the first image feature and the second image feature, to obtain a fused image feature corresponding to the 3D image; and determining a classification result corresponding to the 3D image according to the fused image feature corresponding to the 3D image.

Abstract: The present application discloses a liquid crystal display panel, a method for manufacturing the liquid crystal display panel, and a curved display. The liquid crystal display panel is configured with an alignment layer only on an array substrate, but not on an opposing substrate opposite to the array substrate. After photo-alignment, a pretilt angle of liquid crystal molecules near the array substrate is greater than a pretilt angle of liquid crystal molecules near the opposing substrate to effectively mitigate a problem of “black clusters.

Abstract: The present application provides a display module and a display device. The display module comprises at least two display panels, two adjacent display panels are spliced along a first direction or a second direction, and the first direction is different from the second direction. The display module further comprises a groove disposed between two adjacent display panels and a convex lens portion disposed in the groove. At least one convex portion is disposed on one side of the convex lens portion away from bottom of the groove.

Abstract: A spray arm, a water pumping mechanism and a cleaning machine thereof are disclosed in the present invention. The spray arm comprises a body (1;1?) and a top plate (2;2?). An air collection chamber (20;20?) is defined between the top plate (2;2?) and the top surface (1a; 1a?) of the body (1;1?), a plurality of water spray holes (13) is arranged in the air collection chamber (20;20?), the top plate (2;2?) has a plurality of spray openings (21) each corresponding to one water spray hole (13), and a gap (100) is formed between a top end of each water spray hole (13) and a bottom end of the corresponding spray opening (21).

Abstract: A spliced panel is disclosed. At least two display panels are spliced to each other. Each of the at least two display panels includes a bending part and a non-bending part. The bending part is bent from a side of the non-bending part to a back surface of the at least two display panels. The non-bending part is configured to display an image. In the at least two display panels spliced to each other, the bending part of one of the at least two display panels is correspondingly spliced to the bending part of another of the at least two display panels to form a support structure. A light-emitting diode (LED) substrate is disposed on the support structure.