| 摘要 |
PROBLEM TO BE SOLVED: To provide a laminate for a signboard that can be reduced in thickness and prevents a change in a light-emitting state due to the adhesion of dirt such as fingerprints, and provide a signboard including the laminate for a signboard that can be reduced in thickness and prevents a change in a light-emitting state due to the adhesion of dirt such as fingerprints.SOLUTION: There are provided a laminate for a signboard having a core layer, and clad layers provided on both sides of the core layer and having a lower refractive index than the refractive index of the core layer; a signboard including the laminate for a signboard; a flexible signboard including the laminate for a signboard; a signboard for advertisement including the laminate for a signboard; and a signboard for display including the laminate for a signboard. |
