| 摘要 |
A LED illumination lamp (1) extending substantially along and about an axis (A), and having : a LED light source (4) located substantially along the axis (A); a light diverting optical element (5) located substantially in front of the light source (4), along the axis (A), and designed to laterally divert the light impinging substantially axially on the optical element (5); and an optical guide plate (6) surrounding the optical element (5) and the axis (A), and having a seat (19) housing the light source (4) and the optical element (5); the plate (6) extending along the axis (A), between two opposite faces (21, 22) respectively defining a front light-exit surface (7), and a rear active surface (23) having a number of circumferential annular projections (24) spaced radially apart and concentric with the axis (A). |
