▎ 摘　　要

NOVELTY - The utility model claims a portable LED lamp, the lamp comprises an LED light source, a substrate, a control device mounted in the shell; the control device comprises a circuit board main body, fixing on the circuit board body of the printed conductor and multiple elements, the printed conductor is graphene printed wire, each component is printed conducting wire connection by graphene. the control device of the utility model in the printed conductor made of graphene, graphene has high conductivity, thermal conductivity, thin, hard texture, instead of traditional metal printed conductors on the PCB board, which not only improves the conversion rate and luminous efficiency of electric energy, at the same time, accelerates the heat dissipation of each element in the control device, which is suitable for various indoor lamp, street lamp, spot lamp, etc.