公开(公告)号：US20210072436A1

公开(公告)日：2021-03-11

申请号：US16958185

申请日：2018-12-20

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Todd D. JONES ,  Kui CHEN-HO

IPC: G02B5/12 ,  B29D11/00

Abstract: The disclosed structured retroreflective article includes a symbol aligned with raised regions of the structured retroreflective article through an orientation mark which aligns the symbol to the raised region. In one embodiment, the retroreflective article comprises a substrate comprising a background surface and a raised region, a retroreflective film comprising a first symbol and an orientation mark, wherein the retroreflective film is applied to the substrate and the orientation mark aligns the first symbol to the raised region.