Patent ID: 6972528

Claim:
An improved structure for an LED lighting chain, including: a front plug and a rear plug, each plug having at least one of a positive connection and a negative connection; an AC to DC converter comprising four rectifying diodes; at least one LED serial set; the AC to DC converter, wherein the four rectifying diodes are divided into a first group and a second group; each group comprising two rectifying diodes, with negative ends of the two rectifying diodes of the first group being connected in parallel and positive ends of the two rectifying diodes of the first group being connected with the positive and negative connection of the front and rear plugs respectively, and positive ends of the two rectifying diodes of the second group being connected together in parallel and negative ends of the two rectifying diodes of the second group being connected with the positive and negative connection of the front and rear plugs respectively; and the at least one LED serial set connected between the negative ends of the rectifying diodes of the first group and the positive ends of the rectifying diodes of the second group.