▎ 摘　　要

NOVELTY - The utility model claims a radiating device for LED display screen with good sealing performance, comprising a shell, HEPA high-efficiency filter screen, graphene, fan, copper heat transfer pipe; an aluminium profile radiator and a moisture absorbing plate; the left end face of the shell is provided with a HEPA high-efficiency filter screen; the shell is filled with graphene; the right side of the vent pipe is provided with a fan; the fan upper end provided with a copper heat transfer pipe; the right end face of the copper heat transfer pipe is provided with an aluminium profile radiator; the right end face of the shell is provided with a moisture absorbing plate; The design solves the problem that the existing LED display screen in order to improve the tightness, radiating effect is not good, it is easy to shorten the service life of the problem, the utility model has reasonable structure, convenient for radiating the LED display screen, preventing heat accumulation damage to the device, prolonging the service life.