Patent ID: 8534872

Claim:
An LED illumination device, comprising: a heat dissipation part comprising a heat dissipation member, the heat dissipation member comprising a base plate and a plurality of fins extending outwardly from the base plate, the base plate comprising a first side and a second side opposite to the first side, the plurality of fins being formed on the first side of the base plate; an optical part comprising an LED module and an envelope, the LED module being thermally attached to the second side of the base plate, the envelope being mounted on the second side of the base plate and covering the LED module, the plurality of fins and the LED module facing two opposite lateral directions of the LED illumination device respectively; an electric part arranged at bottom ends of the heat dissipation part and the optical part, the electric part comprising a casing, a circuit board and a lamp cap, the casing being cup-shaped and receiving the circuit board therein, one end of the casing being mounted on the bottom ends of the heat dissipation part and the optical part directly, the other end of the casing being opposite to the one end and distant from the bottom ends of the heat dissipation part and the optical part; the lamp cap comprising a sleeve electrode and a spring electrode, the sleeve electrode being disposed around the other end of the casing, the spring electrode being attached to a bottom of the sleeve electrode and insulated from the sleeve electrode, the sleeve electrode and the spring electrode being electrically connected with the LED module through the circuit board; wherein the sleeve electrode comprises a tubular main body disposed around the another end of the casing and a bottom plate formed at a bottom end of the main body, the bottom plate defines a through hole therein, an electric pole is positioned in the through hole and insulated from the bottom plate, the spring electrode comprises a spring and an electrical conductive plate, two opposite ends of the spring are electrically connected with the electric pole and the electrical conductive plate, respectively, and the sleeve electrode and the electric pole electrically power the LED module.