The inter-shining signboard exprssing the solid body figure with design backward by inverse inflection the mirror

摘要

The present invention is a method of expressing a three-dimensional image on the back of the character using the principle of retroreflection of the mirror, using a polycarbonate, aka, bulletproof acrylic on the front of the signboard is very safe against external shocks to eliminate accidents when the signboard screen damage, Various, sturdy frames, excellent durability, and most of all, it does not use a driving device, a large number of incandescent lamps, a halogen lamp, and maximizes the power saving effect by using fluorescent lamps. .