FIELD: electricity.
SUBSTANCE: invention relates to lighting engineering. The lighting device includes illumination devices (40) which at voltage supply emit primary radiation and solid particles (64, 66) which surround the illumination devices (40) at least by sections and interact with the primary radiation. Concentration of particles (64, 66) changes at least in one direction from the illumination devices (40) from the first concentration section up to the second one.
EFFECT: provision of long-life interconnection of foil sheets and increase in the angle of radiation.
24 cl, 22 dwg
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