Patent ID: 7967469
Filing Date: 2011-06-28
Classification: F21S,F21V,F21Y,Y10S

Abstract:
1. An LED (light emitting diode) lamp comprising: a heat sink having an elongated base; a plurality of LED modules attached to a bottom of the base of the heat sink; an envelope disposed on the bottom of the base and covering the LED modules, the envelope having a fixing flange extending outwardly from a top of the envelope; and a lamp bracket securing the envelope and the heat sink together, the lamp bracket defining a channel to receive a circumference of the base and the fixing flange of the envelope therein, wherein the lamp bracket comprises a frame surrounding the base and the envelope, an engaging flange extending from a bottom of the frame and supporting the fixing flange of the envelope, and a plurality of protrusions projecting from the frame close to the engaging flange and pressing the base downwardly towards the envelope, and wherein the frame is U-shaped and comprises a rectangular vertical section and two vertical arms extending horizontally from two opposite lateral sides of the vertical section, respectively.