Self-luminous electric signboard

The utility model relates to the technical field of signboards, and discloses a self-luminous electric signboard which comprises a device body, a first groove is formed in the position, close to the lower end, of the middle of the device body, second grooves are formed in the two ends of the inner side of the first groove, and third grooves are formed in the positions, close to the middle, of the inner side of the first groove. And sliding rods are fixedly arranged on the front side and the rear side of the interior of the first groove correspondingly, sliding rings are slidably arranged at the two ends of the two sliding rods correspondingly, and hinge rods are fixedly arranged on the opposite sides of the four sliding rings correspondingly. According to the utility model, the self-luminous module can emit light at night, so that a worker can visually see the signboard and remind the worker to safely work according to the sign, and the long phosphorescent phosphor can store solar energy in the daytime and sl