FIELD: physics.
SUBSTANCE: optical structure for processing the light output provided by the lighting unit in which an antenna (36) is formed inside the area (34) of optical layer (23) or above it. The area (34) is at a distance from the optical processing portions (21a) of the optical layer (23) beam.
EFFECT: increased efficiency of the optical structure and compactness of the antenna.
15 cl, 9 dwg
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