Optical element for an LED, LED arrangement with such an optical element, as well as luminaire with such an LED arrangement

摘要

The present invention relates to an optical element for influencing a light emitted by at least one LED, comprising a main region (1) having a rear light entry surface (2) and a front light exit surface (3), the front light exit surface (3) for dispensing a portion of the light Light (L1) forward (R1) is configured, and a wing-like to the main area (1) affiliated side region (4) to which a further light exit surface (5) for a delivery of a further portion of the light (L2, L3) in a lateral direction (R2) and / or in a rearward direction (R3) is configured, wherein the light entry surface (2) comprises a preferably convex central region (21), and a cladding region (22), wherein the cladding region (22) only partially extends around the central region (21) and / or has different heights at different locations.