Abstract: A sub-display screen, an assembled screen, and a display device are disclosed. The sub-display screen includes a display panel and a fixing piece. The fixing piece is disposed below the display panel for supporting the display panel. A seam region is formed between the fixing piece and the display panel. The sub-display screen further includes an assembling piece arranged in the seam region. A portion of the assembling piece is connected to the display panel and the fixing piece, and seals the gap between the display panel and the fixing piece. Another portion of the assembling piece protrudes from the side of the fixing piece away from the display panel to form a joining portion, and after the sub-display screens are assembled, the joining portions seal the seam regions.

Abstract: A herd behavior pattern analysis apparatus of video-based herd objects includes a data transmission/reception module; a memory that stores a herd pattern analysis program of the video-based herd objects; and a processor that executes the program stored in the memory, in which the program performs video pre-processing to detect an edge image of the herd object based on an input video captured through at least one camera allocated to a space where the herd objects are accommodated, and inputs the edge image into a herd pattern analysis model to detect pattern information of the herd object and to determine whether the herd object is normal based on the pattern information, and the herd pattern analysis model is a model learned using learning data including the edge image of each herd object, and outputs pattern information of the herd object based on the input video.

Abstract: The present disclosure provides a melt electrospinning device. The melt electrospinning device includes a melting unit, a spinning unit, an electrostatic generating unit, a collection unit, and a sealed cavity. A lining of the melting unit is made of a material having a melting point greater than 500° C. The spinning unit is connected to the bottom of the melting unit and includes a spinneret made from a conductive material having a melting point greater than 500° C. The melt electrospinning process is performed in the sealed cavity. The present disclosure further provides a melt electrospinning method.

Abstract: Disclosed are a liquid display device and a peep-proof control method thereof. The method includes: receiving and detecting a screen display signal required by the liquid crystal display device, and the screen display signal includes a brightness signal and a peep-proof signal; and in response to detecting that the peep-proof signal in the screen display signal is a partial peep-proof information, controlling a first switching timing of a backlight working state of a lamp panel in the liquid crystal display device to adapt to a second switching timing of a film working state of an electronically controlled liquid crystal film according to the brightness signal, so as to realize a partial peep-proof display of the liquid crystal display device.

Abstract: A scroll type display device related to the field of displaying technologies, and the device includes: a housing, a flexible screen scroll shaft, and a flexible display screen; the housing is provided with an opening configured for extending and retracting the flexible display screen; the flexible screen scroll shaft is rotatably arranged in the housing, and the flexible screen scroll shaft is connected with the flexible display screen and configured for winding the flexible display screen; and a rear surface of the flexible display screen is provided with a plurality of magnetic support structures arranged in a longitudinal direction, and two adjacent magnetic support structures are mutually attracted. The solution provided can improve the flatness of the flexible display screen and reduce the width of the frame of the screen.

Abstract: Disclosed are a liquid display device and a peep-proof control method thereof. The method includes: receiving and detecting a screen display signal required by the liquid crystal display device, and the screen display signal includes a brightness signal and a peep-proof signal; and in response to detecting that the peep-proof signal in the screen display signal is a partial peep-proof information, controlling a first switching timing of a backlight working state of a lamp panel in the liquid crystal display device to adapt to a second switching timing of a film working state of an electronically controlled liquid crystal film according to the brightness signal, so as to realize a partial peep-proof display of the liquid crystal display device.

Abstract: Disclosed are an optical splicing structure, a method for manufacturing the optical splicing structure and a splicing display device. The optical splicing structure is provided at the splice position of two display panels, the optical splicing structure includes a plastic sealing body and an optical fiber bundle, the plastic sealing body includes an incident end and a light emitting end opposite to the incident end; the optical fiber bundle includes a plurality of optical fiber lines distributed in the plastic sealing body; a plurality of the optical fiber lines extend in the direction of the incident end to the light emitting end and are arranged in a direction perpendicular to the direction from the incident end to the light emitting end.

Abstract: A backlight source, a display device, and a method for partition control are provided. The backlight source includes a lamp panel and multiple light-emitting elements disposed on the lamp panel and electrically connected to the lamp panel. The backlight source further includes a transmission member fixedly connected to the lamp panel. The transmission member is configured to rotatably drive the lamp panel to rotate at a preset rotation rate, to make the lamp panel drive the multiple light-emitting elements to rotate at the preset rotation rate, to form a surface light source.

Abstract: Disclosed are a backlight module and a display device. The backlight module includes a backplane, a light guide plate and a light source. The backplane includes a first surface and a second surface opposite to the first surface. The light guide plate includes a light output portion provided on the first surface and a bending portion provided with a light input end on the second surface, and an end of the light output portion facing the second surface of the backplane is bent and extended to form the bending portion. The light source is provided on the second surface and corresponds to a light input end face of the light input end.

Abstract: A display panel and a display device are provided. The display panel includes a light-filtering layer, a color film substrate, a driving substrate, and a reflecting layer. The reflecting layer, the driving substrate, the light-filtering layer, and the color film substrate are stacked in sequence. The light-filtering layer includes a black matrix with multiple second openings, and each of the multiple second openings is filled with one light-filtering sub-pixel. The reflecting layer defines multiple first openings, and each of the multiple first openings is aligned with one second opening.

Abstract: A display apparatus, a control circuit, and an anti-peeping display method are provided. The display apparatus includes a display panel and a backlight module. The anti-peeping display method includes: determining an anti-peeping area; controlling the dimming diaphragm to be alternately switched between a transparent mode and a diffusion mode; in response to the dimming diaphragm being switched to the transparent mode, disabling a part of first light-emitting units rotating into the anti-peeping area from emitting light and enabling a part of second light-emitting units rotating into the anti-peeping area to emit light; and in response to the dimming diaphragm being switched to the diffusion mode, disabling the part of the first light-emitting units rotating into the anti-peeping area to emit light and the part of the second light-emitting units rotating into the anti-peeping area from emitting light.

Abstract: A backlight module and a display apparatus are disclosed. The backlight module includes a back plate, one or more light bars, a dimming diaphragm, and a driving assembly; the back plate includes a bottom plate; the one or more light bars are arranged on one side of the bottom plate. Each light bar includes multiple first light-emitting units and multiple second light-emitting units; the multiple first light-emitting units are configured to generate diffuse light. The multiple second light-emitting units are configured to generate collimated light; the dimming diaphragm is arranged on a side of the one or more light bars away from the bottom plate, and has a diffusion mode and a transparent mode. The driving assembly is arranged between the bottom plate and the circuit board, connected to the circuit board, and configured to drive the light bar to rotate.

Abstract: The backlight module includes a backplate, a light guide plate and a light source. The light guide plate includes a body part and a bending part. The body part is located on a side of the backplate facing the display panel, and a surface of the body part facing away from the backplate is an out-light surface. The bending part has a first end face and a second end face. The first end face is connected to the body part, the second end face is located on the side of the backplate facing away from the display panel and is an out-light surface. The light source is located on the side of the backplate facing away from the display panel and opposite to the second end face. The disclosure can achieve a narrower bezel design or bezel-less design.

Abstract: The present disclosure relates to an optical film and a preparation method therefor, and a display device. This optical film comprises a light transmitting substrate as well as a magnetic powder and a magneto-optical medium disposed in the light transmitting substrate, the magnetic powder is used for forming a surface magnetic field, and the magneto-optical medium is located in the surface magnetic field, so that a polarization direction of linearly polarized light is rotated after the linearly polarized light passes through the magneto-optical medium. When being applied to a backlight module, this optical film can convert natural light emitted by the backlight module into polarized light in a required polarization direction as much as possible, thereby increasing the utilization ratio of backlight.

Abstract: A display panel and a display device are provided. The display panel includes a color-film substrate, an array substrate, a liquid-crystal layer, and a backlight module configured to provide collimated lights. The display panel includes multiple pixel units. The color-film substrate corresponding to each pixel unit has a first transmission region which transmits lights and a first non-transmission region which does not transmit lights. The array substrate corresponding to each pixel unit has a second transmission region which transmits lights and a second non-transmission region which does not transmit lights. An orthographic projection of the first non-transmission region on the array substrate completely covers the second transmission region.

Abstract: A display panel and a display device are provided. The display panel includes a light-filtering layer, a color film substrate, a driving substrate, and a reflecting layer. The reflecting layer, the driving substrate, the light-filtering layer, and the color film substrate are stacked in sequence. The light-filtering layer includes a black matrix with multiple second openings, and each of the multiple second openings is filled with one light-filtering sub-pixel. The reflecting layer defines multiple first openings, and each of the multiple first openings is aligned with one second opening.

Abstract: A sub-display screen, an assembled screen, and a display device are disclosed. The sub-display screen includes a display panel and a fixing piece. The fixing piece is disposed below the display panel for supporting the display panel. A seam region is formed between the fixing piece and the display panel. The sub-display screen further includes an assembling piece arranged in the seam region. A portion of the assembling piece is connected to the display panel and the fixing piece, and seals the gap between the display panel and the fixing piece. Another portion of the assembling piece protrudes from the side of the fixing piece away from the display panel to form a joining portion, and after the sub-display screens are assembled, the joining portions seal the seam regions.

Abstract: Disclosed are a backlight module and a display device. The backlight module includes a backplane, a light guide plate and a light source. The backplane includes a first surface and a second surface opposite to the first surface. The light guide plate includes a light output portion provided on the first surface and a bending portion provided with a light input end on the second surface, and an end of the light output portion facing the second surface of the backplane is bent and extended to form the bending portion. The light source is provided on the second surface and corresponds to a light input end face of the light input end.