Patent ID: 9494283
Filing Date: 2016-11-15
CPC Classification: F21K,F21V,F21W,F21Y

Claim Text:
1. An illumination system comprising: an optic that has a street side and a house side and that comprises: a light emitting diode disposed to emit light into the cavity, wherein the street side of the optic is configured to transmit and emit a first portion of the emitted light that is oriented towards the street side of the optic, wherein the region of the interior surface is configured to focus a second portion of the emitted light that is oriented towards the house side of the optic, wherein the surface that is internally reflective is oriented to receive the focused second portion of the emitted light and redirect the focused second portion in a street side direction, wherein the second region of the exterior surface is oriented to receive a third portion of the emitted light that is oriented towards the house side of the optic and to internally reflect the received third portion to the backside of the optic, and wherein the backside of the optic is configured to recycle or return incident light so that the optic sends street side a portion of the internally reflected third portion that is incident on the backside of the optic.