Patent ID: 9268079
Filing Date: 2016-02-23
CPC Classification: F21K,F21S,F21W,F21Y,G02B

Claim Text:
1. A light bulb comprising: a base in which a light emitting device is situated, a light guide that is configured to guide light emitted from the light emitting device toward an interior of the light bulb, and a diffusion element, having a continuous top surface, that is configured to receive the light from the light guide and reflect and diffuse the light such that a light output in an upward direction from the diffusion element at a perimeter area of the continuous top surface of the diffusion element is substantially brighter than at a center area of the continuous top surface of the diffusion element, wherein the light is output from the light bulb predominantly in a radial direction relative to the central axis of the light bulb.