A light string with a screw head is provided, including a light string and a screw head. The light string includes a plurality of LEDs connected in series by a plurality of wires. The wires connected to the screw head. The screw head further includes an insulating body, a screw shell and a contacting...http://www.google.se/patents/US7455426?utm_source=gb-gplus-sharePatent US7455426 - Decorative light string with a screw head
