Signboard

The utility model belongs to the technical field of tritium illuminators, and particularly relates to a signboard which comprises a fixing seat and a lamp board, a mounting mechanism is arranged on the surface of the lamp board, and the mounting mechanism comprises a mounting plate arranged on one side of the lamp board and fixing blocks which are symmetrically arranged on the side, close to the lamp board, in the mounting plate and are of an L-shaped structure. By moving a mounting block to be pushed into a mounting plate, a fixing block can be clamped into a limiting groove, the mounting block is limited, mounting of the lamp board is completed, limiting of the mounting block can be relieved by pressing two sets of push plates, the lamp board is convenient to disassemble, operation is simple and convenient, the convenience of maintenance and replacement of the lamp board is improved, and meanwhile, an adjusting mechanism is arranged, so that the lamp board is convenient to adjust. The mounting angle of the