▎ 摘　　要

NOVELTY - The utility model claims an LED filament, comprising: a substrate; a plurality of LED chips; a fluorescent glue layer; a graphene adhesive layer; wherein the plurality of LED chips are mounted and fixed on the substrate in an array; the LED chips are connected in series, in parallel or in series and in parallel; the fluorescent glue layer is located on the upper and lower surfaces of the substrate; the surface of the fluorescent glue layer is covered with the graphene glue layer; the LED filament is provided with a graphene glue layer; the graphene rubber layer is set on the outer surface of the fluorescent glue layer, so that the LED filament has better radiating effect; the service life of the filament is improved; the graphene rubber layer can coat the outer surface of the filament to form beautiful and consistent appearance colour according to the requirement.