Patent ID: 7819550
Filing Date: 2010-10-26
Classification: F21V,F21Y,G02B,H01L

Abstract:
1. A lens array, comprising: multiple lenses in a monolithic structure, for collecting light from an array of multiple LED light sources; wherein each LED light source emits divergent light, wherein for each LED light source there is a lens having a first surface with a compound shape of at least two curved portions separated by a flat portion that is distributable around the LED light source and arranged to collimate the light from the LED, wherein one of the curved portions is centered about a radius R extending from a first center point located directly above a first imaginary light point source positioned on a first lateral side of the LED and the other one of the curved portions is centered about a radius R extending from a second center point located directly above a second imaginary light point source positioned on a second lateral side of the LED, and wherein each curved portion has a spherical or an aspheric shape relative to its respective LED light source.