A light emitting diode (LED) light bulb (10) configured to replicate the light output of a conventional incandescent light bulb is provided. The LED light bulb includes a base (12) for coupling the bulb (10) to a power source having at least one side wall defining a cavity; a generally rectangular substrate (18) having a first end and a second end, the second end disposed in the cavity and electrically coupled to the base (12); a plurality of LEDs (20) electrically coupled and disposed on the first end of the substrate (18), the plurality of LEDS (20) arranged on a front face, back face and top edge of the first end of the substrate to emit light in a spherical output ; and a light transmissive cover (22) configured to enclose the plurality of LEDs (20), the cover (22) being coupled to the base (12).