CPC F21V 5/002 (2013.01) [F21Y 2115/10 (2016.08)] | 51 Claims |
1. Apparatus comprising:
an LED light source configured to emit a beam of light; and
a diffusive element that includes faceted grains, each having a diameter that is in a range from 3.0-3.2 mm;
wherein, in operation, the beam is incident on the diffusive element.
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