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