Patent ID: 8253310

Claim:
A light emitting diode (LED) light fixture comprising: a holder; an envelope; and a lamp body comprising a heat dissipation portion, an LED light source and a shield, the heat dissipation portion having top and bottom ends connecting with the holder and the envelope, respectively, the light source being mounted on the bottom end of the heat dissipation portion and covered by the envelope, the heat dissipation portion comprising a plurality of fins extending from the top end to the bottom end of the heat dissipation portion, a passage being defined between every two adjacent fins, the shield surrounding the fins and defined a plurality of windows therein communicating with the passages; wherein the shield comprises a first engaging portion engaging with the holder and the top end of the heat dissipation portion, a second engaging portion engaging with the envelop and the bottom end of the heat dissipation portion, and a protecting portion interconnecting the first and second engaging portions, the windows being defined in the protecting portion; and wherein an inner surface of the protecting portion defines a plurality of grooves fittingly receiving therein outer edges of the fins, respectively, the grooves being defined between the first and second engaging portions and extending along an extending direction of the fins.