| 摘要 |
PURPOSE: An advertising board which arranges an advertisement building with mosaic design is provided to arrange an advertising surface with a single theme on a part or whole of outer surface of the building with mosaic design through each window arranged on the building, thereby utilizing the building as an advertisement material. CONSTITUTION: A front surface of a main body(20a) of a frame(20) including a luminous body(21) stored in an inner-wall groove(22) is installed in the inner surface of a window(10) of a building. An advertisement sheet(30), a light guide plate(40), and a finishing board(50) are laminated on the window in a backward direction. A cover plate(20b) is combined in a hinge of the outer end of the main body. The cover plate is elastically supported by a spring. The light guide plate inserted in the frame comprises a reflective sheet(43), a first light guide part(41) arranged in forward and backward directions, and a second light guide part(42). A second advertisement sheet(60) is laminated in the backward direction of the light guide plate. |
