| 摘要 |
PURPOSE: An advertisement and interior indirect lighting presentation medium variously change the laminating structure and sculpting method of the transparent plate. The display can be reinforced. CONSTITUTION: In the light sign, lamp and lamp partition(18) are installed in each of transparent acrylic plastic plates more than 3. The lamp(6) is installed in the square edge side of the transparent acrylic plastic plate in the constant interval. The programmable logic controller(11) controls the operation of lamp. Lamp and PLC are supported with the signboard frame and back plane. In the front side or the back side of the transparent acrylic plastic plate, the character marked on the front side of the display board display surface(5) and the piece corresponding to the drawing are formed. |
