FIELD: electricity.
SUBSTANCE: lighting device 12 includes light source 17, housing 14 containing light source 17 and hole 14b for passing of light emitted by light source 17 and optical element 15a provided so that to be directed to light source 17 and close hole 14b. Optical element 15a has various coefficient of reflection lengthwise to light source 17.
EFFECT: achievement of nearly even distribution of lighting brightness without partially formed dark parts.
12 cl, 27 dwg
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|
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RU2423645C1 |
