| 摘要 |
A label (10) having a region or layer of luminescent ink (30) is described. The label includes a generally transparent facestock layer (20) and a layer of an adhesive (40). The luminescent ink (30) is disposed between the facestock layer (20) and the adhesive layer (40). Upon exposure to ultraviolet light, the luminescent ink (30) emits visible light. The label (10) can be used to provide an indication as to the authenticity or genuineness of a product to which the label (10) is attached. Also described are various methods of using the label (10). |
