Patent ID: 8807790

Claim:
A lighting apparatus comprising: a heat sink; a mounting block provided over the heat sink having a top surface and a plurality of side surfaces; at least one light emitting module provided on at least one side surface of the mounting block, the light emitting module including a substrate and a light emitting diode (LED) mounted on the substrate; a reflector provided over the heat sink, adjacent to a lower end of the mounting block, to reflect light from the LED; an enclosure provided over the heat sink to surround the mounting block to diffuse the light; an electronic module electrically connected to the light emitting module; a housing attached to the heat sink and formed to house the electronic module; and a power socket mounted to the housing to provide power to the electronic module, wherein the LED is positioned such that the light axis of the LED is directed to a side region of the bulb and light emitted from the LED is distributed in a region a first prescribed angle with respect to the light axis, wherein the reflector includes an inclined surface that is inclined at a second prescribed angle away from the light axis, and wherein the enclosure includes a first diffusion region provided at an upper region of the enclosure and a second diffusion region provided at a lower region of the enclosure, the first and second diffusion regions having different curvatures.