Patent ID: 8292468

Claim:
A light emitting apparatus comprising: a lamp base; a light-transmissive bulb envelope, a first portion of the bulb envelope coupled to the lamp base; a light source for emitting light, at least a portion of the light source disposed external to the bulb envelope at an end substantially opposite the lamp base; a down conversion material for receiving and down converting at least some of the light emitted by the light source and back transferring a portion of the received and down converted light, the down conversion material disposed within the bulb envelope, remote from the light source and between the light source and the lamp base; a reflector for receiving and reflecting the light emitted by the light source and down converted by the down conversion material, the reflector disposed within the bulb envelope between the down conversion material and the lamp base; and a heat sink coupled to the light source, at least a portion of the heat sink external to the bulb envelope.