Patent ID: 8388172

Claim:
An LED lamp comprising: a hollow tube comprising a lampshade, a lamp plate and a heat dispersing plate; the heat dispersing plate comprising a base portion and two fastening portions, two free edges of the base portion comprising two supports extending toward each other, the fastening portions being respectively connected to the supports, the lampshade and the lamp plate being mounted to the fastening portions; two lamp holders fixed to opposite ends of the cylindrical tube, each of the two lamp holders comprising a hollow shell and at least one protrusion formed on an inner wall of the hollow shell, the at least one protrusion resisting against one end of the supports to prevent the lampshade from rotating relative to the heat dispersing plate; wherein the bottom of the hollow shell defines a plurality of alignment holes and screw holes, when assembling the LED lamp, the alignment holes are aligned with the first grooves of the heat dispersing plate to fix the hollow shell to the heat dispersing plate.