Led beam shaping
AssigneeSignify Holding B.V.
InventorsOLIVER DROSS, MICHEL CORNELIS JOSEPHUS MARIE VISSENBERG
Life of this patent
Estimating the term…
Abstract
An integrating lenslet arrangement (40) is disclosed including a first lenslet array (50) of lenslets (51) tessellated in an irregular pattern; and a second lenslet array (60) of further lenslets (51) tessellated in said irregular pattern, each further lenslet being aligned with one of said lenslets; wherein the first lenslet array further comprises a plurality of transmissive planar facets (55), each facet covering a lenslet intersection (53). An optical arrangement, lighting device and luminaire including such an integrating lenslet arrangement are also disclosed.
Claims15
An integrating lenslet arrangement including:
- a first lenslet array of lenslets in an irregular pattern;
- and
- downstream of the first lenslet array a second lenslet array of further lenslets in said irregular pattern, each further lenslet being aligned with one of said lenslets;
- wherein the first lenslet array comprises adjacent lenslets that have a shared wall shaped intersection and wherein the first lenslet arrays further comprises a plurality of transmissive planar facets covering pockets in between the lenslets.
Dependencies are inferred from the claim text.