▎ 摘　　要

NOVELTY - The utility model claims a graphite thermal rectifier material radiating device of large-power LED lamp and lamp, the radiating device comprises a radiating chamber, different from the prior art is that the inner wall of the radiation chamber is provided with a thin pipe; the outer wall of the thin tube with graphene thermal rectifier material layer. the graphene surface of thermal rectifier material layer is provided with a protection film layer. the lamp comprises a LED chip, a driving power supply, a lamp opening, a radiation chamber, a PCB plate and a lampshade, different from the prior art is that the inner wall of the radiation chamber is provided with a thin pipe; the outer wall of the thin tube with graphene thermal rectifier material layer; one end of said radiating cavity sleeved with the lamp socket, and the PCB board is arranged on the other end of the radiating cavity, lampshade is covered on the PCB board; the LED chip is arranged on the PCB board. The lamp heat dissipation ability and low cost; this light weight, long service life and capable of realizing mass production of standardized and has energy-saving and environment-friendly.