LIGHTING DEVICE Russian patent published in 2013 - IPC F21S8/00 

FIELD: electricity.

SUBSTANCE: lighting device comprises a body with elements of supply and connection arranged in it, a light diode source of light mounted on a heat conducting base, installed in thermal contact with the body, and a protective lens cap. The protective lens cap is made in the form of a paraboloid of rotation with an indented top, the outer and inner surfaces of which are formed by rotation of the part of a parabola, cut by a straight line parallel to the axis of parabola and at the distance A from it, besides, the specified straight line is the axis of rotation.

EFFECT: provision of homogeneity of lighting, elimination of gaps in a light zone and expanded lighting diagram.

7 cl, 5 dwg