US Patent 7549245 Self-contained, solar-powered illuminated sign

An illuminated sign includes a first light source disposed within a frame. A plurality of light guides are spaced apart within the frame and positioned perpendicularly adjacent to the first light source. A first light-permeable panel is disposed adjacent to the light guides and encloses a first side of the frame. A solar panel for generating electricity is associated with the frame and a transformer electrically connects the first light source to the solar panel. A battery is electrically disposed between the solar panel and the transformer; and a timer electrically connects the solar panel and the first light source.