| 摘要 |
An amelioration of a side-beam reflecting billboard structure includes a solid transparent acrylic board of an appropriate thickness having at least one light source at one of the sides thereof and at least one text-and-graphic surface at the front side thereof; and the characteristics of the invention are that at least one reflecting board applied with guiding ink is provided within the interior of the acrylic board and the reflecting board crisscrosses with the traveling direction of the light beams from the light source to the acrylic board, so that the light beams are thoroughly reflected on the guiding ink of reflecting board.
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