US Patent 11209590 Edge-lit lighting systems and methods

A luminaire includes a first plurality of lighting elements, a housing, and a first lightguide. The housing includes a body and first and second edge frames coupled with the body. The first and second edge frames are positioned on opposing sides of the body and are separated by a first distance. The first plurality of lighting elements is further positioned on the first edge frame. The first lightguide is positioned along the first edge frame in proximity to the first plurality of lighting elements and is configured to receive light from the first plurality of lighting elements. Further, the first lightguide extends a second distance along a plane toward the second edge frame, with the second distance being less than the first distance.