Stepped lamella for light radiation control

摘要

The light radiation control lamellae (10-13) has a first part-member (5) in irradiation section (E) with staircase steps consisting of a tread (6) and setting steps of specified incline. There is also a second part-member (4). The top side of the first part-member comprises at least one tread step, whose inclination start point elevates wrt. the sections of the second part-member. The inclines of the step tangents enclose an obtuse angle (omega). The sun radiation, impinging in parallel onto the lamellae are either absorbed by the first part-member, or are deflected in the irradiation cross-section, while the solar radiation, impinging onto the second part-member can be deflected inwards.