Splicing type frameless internal illumination active light-emitting sign

The utility model discloses a splicing type frameless internal lighting active light-emitting sign, which relates to the technical field of display devices and comprises a fixing frame, a sign back plate, a light source, a light-transmitting panel and a reflective film, the fixing frame comprises an outer frame and a plurality of reinforcing ribs, the reinforcing ribs are welded on the outer frame at intervals, and the light-transmitting panel is arranged on the outer frame. The sign back plate is fixed to one side of the outer frame, the light source is installed on the face, facing the fixing frame, of the sign back plate, the light-transmitting panel is fixed to the reinforcing ribs through screws, and the reflective film is attached to the light-transmitting panel. The reinforcing ribs are made of extrusion type aluminum alloy sections with the width, the length and the thickness being 10 mm, 30 mm and 3 mm. The light source is a diffuse reflection LED module, and the light emitting angle of 165-175 degre