Patent ID: 7396142

Claim:
An LED light bulb comprising: a base for coupling the bulb to a power source having at least one side wall defining a cavity and a skirted portion; a generally planar rectangular substrate having a first end and a second end, the second end disposed in the cavity and electrically coupled to the base, the substrate including a tab projecting from each side edge located adjacent the second end of the substrate configured for mating with the skirted portion of the base; a plurality of LEDs electrically coupled and disposed on the first end of the substrate, the plurality of LEDS arranged on a front face, back face and top edge of the first end of the substrate to emit light in a spherical output, wherein the substrate further comprises electrically conducting material disposed on the front face and back face for electrically coupling the base to the plurality of LEDs, wherein the electrically conducting material covers substantially all of the front face and back face for conducting heat away from the plurality of LEDs; and a light transmissive cover configured to enclose the plurality of LEDs, the cover being coupled to the base and further comprises a recessed portion at an open end for mating with the skirted portion of the base, wherein the recessed portion further comprises two slots configured to receive the tabs of the substrate.