Abstract: An adjusting mechanism of a box and a light emitting diode (LED) box assembly are provided. The adjusting mechanism of a box includes: a first adjusting structure which includes a first base, a rotating member, an adjusting lock hook movably arranged on the rotating member and a driving member arranged in the rotating member and driving the adjusting lock hook to move, where the rotating member can drive the adjusting lock hook to rotate when rotating such that the adjusting lock hook has a locking position and an unlocking position; and a second adjusting structure which includes a second base and an adjusting rod, where the adjusting lock hook is in the locking position when the adjusting lock hook cooperates with the adjusting rod, and the adjusting lock hook is in the unlocking position when the adjusting lock hook is separated from the adjusting rod.

Abstract: An LED display device includes a front box body and a rear box body connected to each other; a display module, disposed on the front box body; and a first connecting structure, disposed between the front box body and the rear box body. The first connecting structure includes a rotating member, rotatably disposed on the front box body, the rotating member including a connecting column extending toward the rear box body; a positioning sleeve, detachably disposed on the connecting column, a position adjusting mechanism being disposed between the positioning sleeve and the connecting column; and a receiving recess and a locking member, the receiving recess being disposed on the rear box body, the positioning sleeve being disposed in the receiving recess, and the locking member being disposed on the rear box body and located between the receiving recess and the positioning sleeve.

Abstract: Provided are a display screen component and a display screen device having the same. The display screen component includes: a module rear shell; a display light board, the display light board being provided on the module rear shell; and a display light board separating structure, the display light board separating structure being disposed between the module rear shell and the display light board, the display light board separating structure including a ferromagnetic body, so that the display light board separating structure separates the display light board from the module rear shell under the action of an external magnetic force. The technical solution of some embodiments of the present disclosure effectively solves a problem in the related art that a module rear shell and a display light board are difficult to separate during disassembly.

Abstract: Three-Dimensional (3D) display device and method are disclosed. The device can include: a Light-Emitting Diode (LED) display, configured to display an image; a light path control structure including a multilayer pinhole type structure, configured to control emitting directions of light paths of the image to form 3D light field information, wherein multiple groups of pinhole arrays are arranged on each layer of the pinhole type structure; and a holographic function screen, configured to perform diffusion imaging on the 3D light field information to form a 3D image, wherein the LED display, the light path control structure and the holographic function screen are sequentially configured. The technical problems of the related art are solved.

Abstract: Provided herein is an image processing method and device for a Light Emitting Diode (LED) display screen. The image processing method for an LED display screen includes: receiving original image data; acquiring information of an original pixel according to the original image data; executing the information of the original pixel computation according to a preset algorithm to obtain information of target pixels; and controlling an image corresponding to the original image data according to the color information of the target pixel and the position information of the target pixel to be displayed on the LED display screen panel. The disclosure improves the quality of a displayed image of an LED display screen.

Abstract: Disclosed are a control system and method for data transmission, and a chip array and a display. The control system for data transmission comprises: a chip array, comprising a plurality of rows of chip assemblies, wherein any row of chip assembly includes at least two chip sets, all chips in each chip set are cascaded with each other; and a controller, configured to receive display data, and generate, according to the display data, a plurality of sets of display signals corresponding to the plurality of rows of chip assemblies, wherein any set of display signal is divided into at least two sub-display signals corresponding to the at least two chip sets, any sub-display signal accesses to a signal input end of a first chip in a corresponding chip set. The control system and method for data transmission, and a chip array and a display solve the technical problem in the related art that electromagnetic radiation increases when a data transmission range is enlarged.

Abstract: The invention provides a display screen assembly and a display device having the same. The display screen assembly includes a lamp panel (10) and a reverse electromagnet (21) provided at a rear side of the lamp panel (10). The technical solution of the invention effectively solves the problem in the prior art that a display screen assembly is difficult to dismount.

Abstract: Disclosed embodiments relate to a light-emitting assembly and a display device. In some embodiments, the light-emitting assembly includes a lamp bead a lamp bead mounting plate and a lamp bead shading face mask, the lamp bead shading face mask covering the lamp bead, and there is a distance between the lamp bead shading face mask and the lamp bead, at least two side faces of the lamp bead shading face mask including light emergence holes, wherein one side, facing the lamp bead mounting plate, of the lamp bead shading face mask is provided with a first reflecting surface; one side, facing the lamp bead shading face mask, of the lamp bead mounting plate is provided with a second reflecting surface; and light emitted by the lamp bead is reflected by the first reflecting surface and the second reflecting surface and then emitted out of each of the light emergence holes.

Abstract: A display circuit and a control method therefor are shown. The display circuit includes: a lamp bead array, a column-oriented drive switch array, a row-oriented drive switch array and a common-anode discharge control circuit, wherein one end of the common-anode discharge control circuit is connected to second ends of lamp beads, in a row direction, in the lamp bead array, and the other end of the common-anode discharge control circuit is grounded; the common-anode discharge control circuit includes a constant current source, a diode and a resistor; a first end of the diode is connected to the second ends of the lamp beads, in the row direction, in the lamp bead array, a second end of the diode is connected to a first end of the constant current source, and the second end of the diode is connected to a first end of the resistor; and a second end of the resistor and a second end of the constant current source are connected to a power supply, and a grounded end of the constant current source is grounded.

Abstract: The invention provides a Light-Emitting Diode (LED) display screen, including: fixing assemblies and a display assembly. The fixing assemblies are provided at an upper side and lower side of the display assembly so as to fix the display assembly. The display assembly includes: an LED display light bar and a connecting structure connected with the LED display light bar. The display assembly further includes an angle adjustment structure provided between the connecting structure and the LED display light bar. The angle adjustment structure can adjust a mounting angle of the LED display light bar. The technical solution of the invention effectively solves the problem in the traditional art that an angle of an LED display light bar cannot be adjusted.

Abstract: The invention provides a Light-Emitting Diode (LED) display screen, including: fixing assemblies and a display assembly. The fixing assemblies are provided at an upper side and lower side of the display assembly so as to fix the display assembly. The display assembly includes: an LED display light bar and a connecting structure connected with the LED display light bar. The display assembly further includes an angle adjustment structure provided between the connecting structure and the LED display light bar. The angle adjustment structure can adjust a mounting angle of the LED display light bar. The technical solution of the invention effectively solves the problem in the traditional art that an angle of an LED display light bar cannot be adjusted.

Abstract: A data processing method and device for a Light emitting diode (LED) Television (TV), and an LED TV are disclosed, the data processing device includes: a signal processing chip configured to perform mode conversion on a received TV signal so as to obtain a first video signal of a preset mode; and a video processing chip connected to the signal processing chip and configured to perform clock synchronization processing on the first video signal so as to obtain a second video signal and output the second video signal to an LED display. The problem in the prior art that an LED TV can only display a TV signal of a single mode is solved, thereby achieving the effect that the LED TV can display videos of various modes and various formats.

Abstract: An LED display device includes an LED display panel (1); and an encasing, arranged on one side of the LED display panel (1). The encasing includes a plurality of diffuser units (10); each diffuser unit (10) is adhered to the LED display panel (1); and, a locating structure is arranged between the diffuser unit (10) and the LED display panel (1) so as to limit an adhesion position of the diffuser unit (10) on the LED display panel (1). The LED display device has a small splicing gap and a better display effect.

Abstract: A Light-Emitting Diode (LED) driving circuit and a control system includes: a driving control circuit and a constant current channel group circuit, wherein the driving control circuit includes: a logic control circuit and a clock delay circuit; the logic control circuit is connected with the constant current channel group circuit, and is configured to control the ordered switching-on or switching-off of the constant current channel group circuit by virtue of a data control signal; and the clock delay circuit is connected with the logic control circuit, configured to acquire a timing control signal synchronous with the data control signal and output the timing control signal and integrated in the LED driving circuit.

Abstract: A fixing device includes a pedestal (10), provided with a first chute (11) extending along a first direction, a first limiting part being provided in the first chute (11); a bracket (20), detachably provided on the pedestal (10), wherein a slide block (21) is provided on the bracket (20), a limited part adapted to the first limiting part in shape is provided on the slide block (21), and the first limiting part and the limited part form a buckled structure so as to fix the bracket (20) on the pedestal (10) along a vertical direction; and a connecting arm (30), wherein a first end of the connecting arm (30) is provided on the bracket (20), and a mounting part (31) connected with a display screen is provided at a second end of the connecting arm (30). By the matching between the slide block (21) and the first chute (11), the first limiting part and the limited part form the buckled structure, so that the fixing device is reusable and convenient to assemble and disassemble.

Abstract: A method and device for processing a video image are provided. The method comprises: receiving an original video image; adjusting a signal clock frequency of the original video image to acquire a processed video image; after a command signal input by a user is received, capturing the processed video image according to a preset size to acquire a video image corresponding to a display window of the preset size; and encoding the video image corresponding to the display window of the preset size to acquire an encoded video image.

Abstract: A Light Emitting Diode (LED) display screen includes: an LED display screen substrate (200), an output end of the driving circuit includes: a first positive electrode (202) and a first negative electrode (204) and the first positive electrode (202) and the first negative electrode (204) are located on a first surface of the LED display screen substrate (200); an LED chip (210), located on the first surface, and the second surface is opposite to the first surface; a first jointing part (222) and a second jointing part (204). The LED display screen solves the technical problem in the related art that the minimum dot pitch of an LED display screen is excessively large due to a limited size of a support in a conventional encapsulated lamp bead.

Abstract: A Light-Emitting Diode (LED) display includes: an LED display panel; and a display driving circuit, including a switching circuit and a control circuit, wherein the switching circuit comprises first and second switching sub-circuits; the first switching sub-circuit includes one or more field effect transistors; the second switching sub-circuit includes one or more field effect transistors; the control circuit includes a power supply control circuit connected with a third end of the switching circuit through a power supply control port. The switching circuit and the control circuit are integrated in the display driving circuit, and the two switching sub-circuits control the power supply of R/G/B LEDs in an LED particle array with M lines and N columns in the LED display panel respectively, so that the effects of small PCB area occupied by the control circuit, simple design, high refresh rate and low power consumption of the LED display are achieved.

Abstract: A Light-Emitting Diode (LED) display includes: an LED display panel; and a display driving circuit, including a switching circuit and a control circuit, wherein the switching circuit comprises first and second switching sub-circuits; the first switching sub-circuit includes one or more field effect transistors; the second switching sub-circuit includes one or more field effect transistors; the control circuit includes a power supply control circuit connected with a third end of the switching circuit through a power supply control port. The switching circuit and the control circuit are integrated in the display driving circuit, and the two switching sub-circuits control the power supply of R/G/B LEDs in an LED particle array with M lines and N columns in the LED display panel respectively, so that the effects of small PCB area occupied by the control circuit, simple design, high refresh rate and low power consumption of the LED display are achieved.

Abstract: A Light-Emitting Diode (LED) driving circuit and a control system includes: a driving control circuit and a constant current channel group circuit, wherein the driving control circuit includes: a logic control circuit and a clock delay circuit; the logic control circuit is connected with the constant current channel group circuit, and is configured to control the ordered switching-on or switching-off of the constant current channel group circuit by virtue of a data control signal; and the clock delay circuit is connected with the logic control circuit, configured to acquire a timing control signal synchronous with the data control signal and output the timing control signal and integrated in the LED driving circuit.