LIGHTING DEVICE Russian patent published in 2013 - IPC F21V29/02 

FIELD: electricity.

SUBSTANCE: lighting device comprises at least a light source (13, 33), a light-emitting surface, holes (8, 9, 28) for air inlet, holes (8, 9, 28) for air outlet and a cooling unit (4, 24) for movement of air from holes (8, 9, 28) for air inlet via the cooling block (4, 24) to holes for air outlet. Holes (8, 9, 28) for air inlet and holes (8, 9, 28) for air outlet are arranged on the same side of the lighting device as the part of the light-emitting surface.

EFFECT: increased efficiency of cooling.

5 cl, 9 dwg