| 摘要 |
PURPOSE: A support panel for an indirect lighting of an advertisement board is provided to reduce much energy than an existing method with a plurality of lamps by indirectly lighting in three directions with only one lamp. CONSTITUTION: A front, top and bottom frame(10,10') forms an opening section. A front diffusion plate(51) is installed on an assembly groove(12) of the front, top and bottom frame. A lighting(3) is installed on the center of a rear frame(20). A top diffusion plate(52) and a bottom diffusion plate(53) are installed on an assembly groove of the rear frame. An upper stiffening plate(31,31') and a lower stiffening plate(32,32') are respectively separated on the front, top and bottom frame and the rear frame. |
