Patent ID: 6045230
Filing Date: 2000-04-04
Classification: B44F,G02B,Y10S

Abstract:
A retroreflective article comprising:a front surface comprising a plurality of first areas and a plurality of second areas, wherein the plurality of first areas transmit light with one or more different properties from the light transmitted by the plurality of second areas;a back surface opposite the front surface, the back surface comprising a plurality of retroreflective areas and a plurality of separation areas, wherein the plurality of retroreflective areas are separated from each other by the separation areas;wherein the first and second areas on the front surface are arranged relative to the retroreflective areas and the separation areas on the back surface such that a substantial portion of light incident on the first areas of the front surface at a first angle is transmitted through the first areas of the front surface to the retroreflective areas on the back surface where it is retroreflected back through the front surface, and further wherein a substantial portion of light incident on the first areas of the front surface at a second angle is transmitted through the first areas on the front surface to the separation areas.