A drive-controlled led digital display

Abstract

The invention discloses a drive-controlled LED digital display screen, the structure of which includes a control button, a screen, a fixed frame, a plug, and a sealing edge. The fixed frame is connected around the screen, and the signal end of the control button is electrically connected to the screen. The plug is installed on the fixed frame, and the sealing edge is set on the edge of the fixed frame. The inside of the fixed frame is composed of anti-collision opening, spacer, sticky tape, sliding shaft, circuit board, control terminal, and the control terminal is electrically connected with the control button. Anti-collision openings are provided on the left and right sides of the control end, a spacer is provided between the circuit board and the control end, rails are provided on both sides of the circuit board that are movably matched with the sliding shaft, and the sliding shaft is mechanically connected with the sticky tape. The present invention The sticky tape and the sliding shaft are matched horizontally along the circuit board, and the dust on the surface of the PCB is removed by using the stickiness of the sticky tape surface. The several cuts set by the sticky tape can change the surface stress of the sticky tape, so that it can be used in active dust removal. No snagging on guide pins.

Description

technical field [0001] The invention relates to the technical field of display screens, in particular to a drive-controlled LED digital display screen. Background technique [0002] The LED display is a flat-panel display consisting of small LED module panels, used to display various information such as text, images, videos, video signals, LEDs, and light-emitting diodes. [0003] It is a diode made of a compound made of gallium (Ga) and arsenic (As), phosphorus (P), nitrogen (N), and indium (In) by controlling the display mode of a semiconductor light-emitting diode. When electrons and holes When recombined, it can radiate visible light, so it can be used to make light-emitting diodes, which can be used as indicator lights in circuits and instruments, or to form text or digital displays. The needle pins connect the light source, PCB board, and plastic shell and other components. The light source used is an LED wafer. Due to the variety of use environments of the LED digita...

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Problems solved by technology

[0004] The purpose of the present invention is to provide a LED digital display screen with drive control, which is used to solve the problem of thread snagging when wiping with a cotton swab or dry cloth in the prior art. The thread is wound on the guide pin. Remove the ash, the dust will fly and pollute the internal circuit environment, or the drying wind will concentrate on one surface to remove the ash, resulting in loosening and bulging of the guide pin solder, which will eventually lead to poor contact of the guide pin pins of the drive control, and the LED digital display cannot be used normally. technical issues

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