Lighting panel

A lighting assembly including superposed first and second transparent members, each having polished sides, at least one light receiving end, a first flat polished major surface and a second shaped major surface opposite said first major surface, said second major surface having a plurality of longitudinally extending grooves shaped to define with the first major surface and sides, a plurality of light guides extending from said light receiving end, said light guides having polished hill portions for internally reflecting light striking said polished hill portions and transmitting light along the guides and said grooves having roughened valley portions for causing light transmitted along the guides to project outwardly from the major surfaces with the light emitted from said roughened valley portions of said grooves having a uniform distribution across said panel, said first and second transparent members being offset with respect to one another whereby said polished hill portions of said light guides and said roughened valley portions of said grooves overlie one another.