| http://www.w3.org/ns/prov#value | - The LED components 16A, 16B, 16C, 16D also include optical elements such as lenses 24A, 24B, 24C, 24D. In order to effectuate different angular distributions or spatial patterns for the light emitted by the lighting units 14A, 14B, 14C, 14D, the corresponding optical elements or lenses 24A, 24B, 24C, 24D each have different optical prescriptions.
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