FIELD: electricity.
SUBSTANCE: invention is related to a lighting facility with waveguide. The device comprises a waveguide element with the first and second outer surfaces and waveguide boundary. LED-based radiation source with optional collimating optical element is intended for radiation entry to the waveguide element through waveguide boundary. The first outer surface comprises structures for output of radiation from the waveguide element through the second outer surface. The device comprises a cavity with reflector in order to reflect radiation in the cavity in sideway direction from the second outer surface.
EFFECT: development of compact-size and thin lighting facility, which may be suspended to the ceiling, ensuring lighting from the ceiling by means of lighting in upward direction and lighting of the specific are by means of lighting in downward direction.
15 cl, 27 dwg
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