| 摘要 |
The present invention relates to a retroreflective article (10) comprising a retroreflective film (13) including a prismatic layer (14) and a metal coating (C), an etched region (R) through the metal coating and an underlying layer (16) adhered to the metal coating and including one or more of the following contrast elements: a colored adhesive, a colorant, a color shifting additive, a fluorescent additive, a phosphorescent additive, the contrast elements being visible through the etched region. |
