Patent ID: 9546771
Date: 2017-01-17
CPC Classifications: F21V,F21Y,G02B

Claim:
1. A pillow optic array comprising: a plurality of first order pillow optic elements having a first predetermined dimension; the plurality of first order pillow optic elements arranged as a two-dimensional grid, the adjacent first order pillow optic elements touching about tangentially; a plurality of interstice spaces, the plurality of interstice spaces located between adjacent first order pillow optic elements; a plurality of second order pillow optic elements, each of the plurality of second order pillow optic elements having a second predetermined dimension; at least one respective element of the plurality of second order pillow optic elements located within respective ones of the plurality of interstice spaces; and the second predetermined dimension being less than the first predetermined dimension; wherein a ratio of a cross-sectional width of pillow optic elements to a cross-sectional height of pillow optic element is the same proportion for each order of pillow optic elements in the pillow optic array, the cross-sectional width being located in a plane along the pillow optic array and the cross-sectional height located in a plane vertical to the pillow optic array.