Patent ID: 7125160

Claim:
Apparatus for collecting and transmitting light in a near-uniform column from an LED having a base, a light element and a domed transparent plastic housing attached to the base and covering the light element, the apparatus comprising: a conical reflector disposed about the base of the LED for collecting sideband light from the LED light element and transmitting it forward; wherein the conical reflector includes a roughed up inside surface in order to scatter the transmitted light; a lens disposed opposite and apart from the housing of the LED for focusing the direct and reflected light from the LED, wherein the distance between the center of the lens and the center of the domed housing on the LED is (d); wherein the lens is bounded by two opposite, substantially elliptical surfaces, where (a) is the half thickness of the lens and (b) is the half diameter of the lens and wherein each surface includes a flat spot having diameter (s).