Grill for building roof, has grill allowing radiation to pass through in open condition while providing interchange of air and fins arranged behind window serve as light guiding units based on degrees of light permeability

摘要

The grill has a set of mobile units with openings, where grill is equipped with thermal insulation. The grill allows radiation to pass through in open condition while providing interchange of air. A covering material is provided on an outer side of the grill. Fins arranged behind a window are inserted in an interface of a latch plate, where fins serve as light guiding units based on degrees of light permeability.