Stage background LED screen with quick connecting mechanism

The utility model discloses a stage background light-emitting diode (LED) screen with a quick connecting mechanism, which belongs to the technical field of LED screens, and comprises an LED screen assembly for a stage background, the LED screen assembly comprises a rectangular mounting outer frame and a plurality of detachable unit screen pieces which are mounted in the rectangular mounting outer frame in a splicing manner, a positioning installation rectangular cylinder is installed on the inner bottom wall of the unit screen concave cavity, a positioning installation rectangular column used for being inserted into the positioning installation rectangular cylinder is arranged in the middle of the back face of the detachable unit screen piece, and extrusion spring pieces are symmetrically installed on the two sides of the positioning installation rectangular cylinder and located on the inner wall of the unit screen concave cavity. The telescopic free end of the extrusion spring piece elastically abuts against