Vehicle roof for controlling light exposure of the skin

摘要

In accordance with the present invention, a vehicle roof with adjustable light transmitting sections to control the interior spectral radiation environment, including at least one first section for high ultraviolet transmission; and, at least one second section for high transmission of visible and infrared light while blocking part of the ultraviolet radiation; a frame to hold said first and second sections in place; and means for positioning said sections relative to each other. In another embodiment a third section is provided with differing spectral transmission than said first and second sections is provided together with means for moving said third section relative to said first and second sections.