Backlight source heat dissipation structure of LED display screen

The utility model discloses a heat dissipation structure of a backlight source of an LED display screen. Fixed pressing plate, a pressing plate fixing frame is fixedly mounted on the outer side of thefixed pressing plate; a connecting screw is fixedly mounted on the inner side of the pressing plate fixing frame; a backlight source back plate is fixedly installed on the rear surface of the pressing plate fixing frame, two heat conduction copper pipes are fixedly installed on the inner side of the fixing pressing plate, a plurality of heat conduction fins are fixedly installed on the inner surfaces of the heat conduction copper pipes, and a heat dissipation cold row plate is fixedly installed at the ends, away from the fixing pressing plate, of the heat conduction copper pipes. The utilitymodel relates to a heat dissipation structure of a backlight source of an LED display screen. According to the heat dissipation structure, a traditional heat conduction patch stacked heat leading-outand transferring structure