Patent ID: 7618160

Claim:
A lens for use with a light emitting source, the lens comprising: a main body having a light-collecting face and a light-emitting face, the main body defining an optical axis that extends through the centers of the light-collecting face and the light-emitting face; a pocket in the main body defined by the light-collecting face for receiving light from the light source, the pocket being defined by an inner axially-facing surface surrounded by an inner radially-facing surface, the pocket having an open end, the inner axially-facing surface being concave and having a spherical shape; the inner radially-facing surface having a conical shape and extending between the inner axially-facing surface and the open end of the pocket; wherein the light-emitting face comprises a central section and an outer section, the outer section radially surrounding the central section and having a conical shape; wherein the outer section generally defines a concave conical surface and is configured to direct light rays toward the optical axis.