| 摘要 |
PURPOSE: A signboard is provided to improve advertizing effect through a visual image of a solid signboard by preventing a fixing unit from being exposed from a solid cover. CONSTITUTION: A lighting part(20) is fixed to a base plate(10). A circuit board(21) and a light emitting device(23) are arranged in the lighting part along a specific shape. A solid cover(30) has a cylindrical form corresponding to the lighting part The solid cover protects the lighting part to form the exterior of the lighting part. The base plate or the lighting part is fixed to one side of a leaf spring(40) The other side of the leaf spring is extended towards the solid cover. The elastic force of the leaf spring maintains the combination of the solid cover and the lighting part. |
