| 摘要 |
PROBLEM TO BE SOLVED: To provide a light weight luminescent display board usable for information display in emergency and for education.SOLUTION: The luminescent display board comprises a double-sided luminescent board that comprises an openable and closable rectangular parallelepiped file folder (F) made of a clear resin, the file folder being light weight and obtainable at a low price, the file folder being provided with: a chemiluminescent stick (LC) or a bar-like LED luminous body (LD) comprising light emission diodes and a bar-like luminescent part of a fluorescent material, a light guide material, or a luminous material, which is provided in a valley part of a corrugated plate (D); and an image sheet on which characters to be displayed and/or figures are drawn, the image sheet being provided on a display surface of the file folder. The corrugate plate (D) may be made of a light reflection material or a transparent material. The corrugate plate (D) may be divided into a plurality of small corrugate plates of a smaller size. The corrugate plate (D) itself may be punched to display the characters and/or figures to be displayed. |
