| 摘要 |
A lighting apparatus comprising an optical assembly comprising, in turn, at least one punctiform type lighting source (11), and a screen (10), associated with at least said one punctiform type lighting source (11), having a surface of approximately toroidal or semi-toroidal shape with convexity facing outwards, said at least one punctiform type lighting source (11) being arranged at the median plane of said screen (10), facing said screen (10) and adapted to produce, by effect of the combination with said screen (10), a collimated light beam, having a median emission plane approximately coinciding with the median plane of said screen (10) and a very small side extension, so as to project an approximately laminar light trace. |
