▎ 摘　　要

NOVELTY - The utility model claims a 3 D composite board mobile phone rear cover, comprising a rear cover main body made of a three-dimensional composite board material, the rear cover main body is provided with a graphene heat conducting sheet, and the rear cover main body is provided with multiple heat dissipation pore distribution, the outer surface of the rear cover main body is coated with an anti-fingerprint coating; the outer surface of the back cover main body is further provided with a group of skid-proof bumps distributed at intervals; the back cover main body is provided with a dust-proof net; the dust-proof net is set at one side close to the heat dissipation pore; the side of the back cover main body is coated with a luminous coating; the skid-proof bump is cylindrical structure; and the skid-proof bump is externally provided with skid-proof lines; the rear cover main body is further provided with a group of buffer pad; the skid-proof bump is provided with a convenient mounting rope of the through hole, coating anti-fingerprint coating on the outer surface of the back cover main body, so even if used for a long time will not cause the mobile phone back cover appearing fingerprint printing appearance colour of the mobile phone back cover.