| 摘要 |
Provided is a hexagonal corner cube retroreflective article having excellent observation-angle characteristics. Said article comprises an aggregation of many hexagonal corner cube retroreflective elements, each of which is characterized in that at least one reflective surface (surface , surface , and/or surface ) is partitioned, by a line segment (EF, FD, and/or DE) connecting vertices (E, F, and/or D) that constitute said reflective surface, into a pair comprising an upper secondary reflective surface (surface , surface , and/or surface ) and a lower secondary reflective surface (surface , surface , and/or surface ). Each hexagonal corner cube retroreflective element is further characterized in that the two secondary reflective surfaces that constitute the aforementioned pair of secondary reflective surfaces are not in the same plane. |
