Patent ID: 6227684
Filing Date: 2001-05-08
Classification: F21S,F21V,F21W

Abstract:
A luminaire comprising:a concave reflector (1) with a plane of symmetry (2) and an optical axis (3) having an optical center (4) lying in said plane (2);a planar light emission window (5) tangent to the reflector (1) and transverse to the plane of symmetry (2);means (6) for accommodating an electric lamp transversely to the plane of symmetry (2), with an elongate light source of said lamp in the optical center (4);a planar light-reflecting screen (7) extending along the optical axis (3) transverse to the plane of symmetry (2);said reflector (1) comprising several plane facets (10,10') bounded by first, mutually substantially parallel, substantially flat planes (8) perpendicular, to the plane of symmetry (2), and having lengths bounded by second substantially flat planes (9) which arrange the facets into rows (11,11') which extend along the plane of symmetry(2);wherein: the first substantially flat planes (8) enclose an angle of 15.degree.-30.degree. with the light emission window (5), and the screen (7) extends from the reflector (1) to the light emission window (5).